TRST


Line plots across dimensions of each concept
Tables

Table of contents



us-gaap:CommonStockValue

us-gaap:CommonStockSharesIssued

us-gaap:WeightedAverageNumberOfDilutedSharesOutstanding

us-gaap:WeightedAverageNumberOfSharesOutstandingBasic
us-gaap:AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareByAntidilutiveSecurities
us-gaap:AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount

us-gaap:EarningsPerShareBasic

us-gaap:EarningsPerShareDiluted
us-gaap:ConsolidatedEntities
us-gaap:TierOneRiskBasedCapitalToRiskWeightedAssets
us-gaap:ConsolidatedEntities
us-gaap:CapitalToRiskWeightedAssets
us-gaap:ProductOrService
us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax

us-gaap:InterestAndFeeIncomeLoansAndLeases

us-gaap:InterestExpense

us-gaap:InterestIncomeExpenseNet

us-gaap:InterestPaidNet

us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments

us-gaap:IncomeTaxExpenseBenefit
us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncome, us-gaap:StatementEquityComponents

us-gaap:NetIncomeLoss
us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncome
us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncome, us-gaap:StatementEquityComponents
us-gaap:StatementEquityComponents

us-gaap:ComprehensiveIncomeNetOfTax

us-gaap:Assets

us-gaap:Liabilities

us-gaap:LiabilitiesAndStockholdersEquity

us-gaap:StockholdersEquity
us-gaap:StatementEquityComponents
us-gaap:ConsolidatedEntities
us-gaap:TierOneRiskBasedCapital

us-gaap:CashAndCashEquivalentsAtCarryingValue
us-gaap:FairValueByFairValueHierarchyLevel
us-gaap:FairValueByMeasurementBasis

us-gaap:PropertyPlantAndEquipmentNet

us-gaap:OperatingLeaseRightOfUseAsset

us-gaap:StockholdersEquity
us-gaap:StatementEquityComponents

us-gaap:CommonStockValue

us-gaap:AdditionalPaidInCapitalCommonStock

us-gaap:RetainedEarningsAccumulatedDeficit

us-gaap:AccumulatedOtherComprehensiveIncomeLossNetOfTax

us-gaap:TreasuryStockValue

us-gaap:AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue
us-gaap:StatementEquityComponents

us-gaap:NetCashProvidedByUsedInOperatingActivities

us-gaap:NetCashProvidedByUsedInInvestingActivities

us-gaap:NetCashProvidedByUsedInFinancingActivities

us-gaap:NetCashProvidedByUsedInOperatingActivities

us-gaap:NetIncomeLoss
us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncome
us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncome, us-gaap:StatementEquityComponents
us-gaap:StatementEquityComponents

us-gaap:DeferredIncomeTaxExpenseBenefit

us-gaap:ShareBasedCompensation

us-gaap:NetCashProvidedByUsedInInvestingActivities

us-gaap:PaymentsToAcquirePropertyPlantAndEquipment

us-gaap:NetCashProvidedByUsedInFinancingActivities

us-gaap:PaymentsOfDividendsCommonStock

us-gaap:PaymentsForRepurchaseOfCommonStock

us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents

us-gaap:ProceedsFromRepaymentsOfShortTermDebt

trst:AdjustmentsToAdditionalPaidInCapitalShareBasedCompensationRequisiteServicesPeriodRecognitionValue
us-gaap:StatementEquityComponents

trst:DividendsIncomeFederalReserveBankAndFederalHomeLoanBankStock

trst:FDICAndOtherInsuranceExpense

trst:FeesForServicesToCustomers

trst:FinancialServicesIncome

trst:FinancingReceivableAllowanceOfCreditLossesNetLoansChargedOff
us-gaap:FinancingReceivablePortfolioSegment

trst:GrossChargeOffsResidentialImpairedLoans

trst:IncreaseDecreaseInDividendsPayable

trst:IncreaseDecreaseInOperatingLeaseLiabilities

trst:InterestAndDividendIncomeOtherAvailableForSaleSecurities

trst:InterestAndDividendIncomeSBAGuaranteedParticipationSecuritiesAvailableForSale

trst:InterestAndDividendIncomeSecuritiesCorporateDebtOperatingAvailableForSaleSecurities

trst:InterestAndDividendIncomeSecuritiesMortgageBackedAvailableForSale

trst:InterestAndDividendIncomeSecuritiesResidentialMortgageBackedHeldToMaturity

trst:InterestAndDividendIncomeSecuritiesStateAndMunicipalAvailableForSale

trst:InterestAndDividendIncomeSecuritiesUSGovernmentSponsoredEnterprisesAvailableForSale

trst:InterestIncomeOnFederalFundsSoldAndOtherShortTermInvestments

trst:OperatingLeaseRightOfUseAssetAmortization

trst:OtherNonInterestIncome

trst:OtherRealEstateIncomeExpenseNet

trst:OutsourcedServices

trst:ProceedsFromCallsPaydownsOfAvailableForSaleSecurities

trst:ProceedsFromSalesAndCallsOfSecuritiesAvailableForSale

trst:ReductionInOvernightFederalFundsRate

us-gaap:AccretionAmortizationOfDiscountsAndPremiumsInvestments

us-gaap:AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivities

us-gaap:AdvertisingExpense

us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseExcludingExchangeRateEffect

us-gaap:CommonStockDividendsPerShareDeclared

us-gaap:DebtSecuritiesAvailableForSaleRealizedGain
us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncome, us-gaap:StatementEquityComponents
us-gaap:RetirementPlanType
us-gaap:DefinedBenefitPlanAmortizationOfGainsLosses
us-gaap:RetirementPlanType
us-gaap:DefinedBenefitPlanAmortizationOfPriorServiceCostCredit
us-gaap:RetirementPlanType
us-gaap:DefinedBenefitPlanExpectedReturnOnPlanAssets
us-gaap:RetirementPlanType
us-gaap:DefinedBenefitPlanInterestCost
us-gaap:RetirementPlanType
us-gaap:DefinedBenefitPlanNetPeriodicBenefitCost
us-gaap:RetirementPlanType
us-gaap:DefinedBenefitPlanServiceCost

us-gaap:DepreciationAmortizationAndAccretionNet

us-gaap:DividendsCommonStockCash
us-gaap:StatementEquityComponents

us-gaap:EquipmentExpense

us-gaap:FinancingReceivableAllowanceForCreditLossesRecovery
us-gaap:FinancingReceivablePortfolioSegment
us-gaap:StatementGeographical
us-gaap:StatementGeographical, us-gaap:FinancingReceivablePortfolioSegment

us-gaap:FinancingReceivableAllowanceForCreditLossesWriteOffs
us-gaap:FinancingReceivablePortfolioSegment
us-gaap:StatementGeographical
us-gaap:StatementGeographical, us-gaap:FinancingReceivablePortfolioSegment
us-gaap:StatementGeographical
us-gaap:FinancingReceivableModificationsNumberOfContracts2
us-gaap:StatementGeographical, us-gaap:FinancingReceivablePortfolioSegment, us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable
us-gaap:StatementGeographical
us-gaap:FinancingReceivableModificationsPostModificationRecordedInvestment2
us-gaap:StatementGeographical, us-gaap:FinancingReceivablePortfolioSegment, us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable
us-gaap:StatementGeographical
us-gaap:FinancingReceivableModificationsPreModificationRecordedInvestment2
us-gaap:StatementGeographical, us-gaap:FinancingReceivablePortfolioSegment, us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable

us-gaap:GainsLossesOnSalesOfOtherRealEstate

us-gaap:ImpairedFinancingReceivableAverageRecordedInvestment
us-gaap:FinancingReceivablePortfolioSegment, us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable
us-gaap:StatementGeographical
us-gaap:StatementGeographical, us-gaap:FinancingReceivablePortfolioSegment, us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable

us-gaap:ImpairmentOfRealEstate

us-gaap:IncomeTaxesPaid

us-gaap:IncreaseDecreaseInAccruedInterestReceivableNet

us-gaap:IncreaseDecreaseInAccruedLiabilitiesAndOtherOperatingLiabilities

us-gaap:IncreaseDecreaseInDeposits

us-gaap:IncreaseDecreaseInIncomeTaxesReceivable

us-gaap:IncreaseDecreaseInInterestPayableNet

us-gaap:IncreaseDecreaseInOtherOperatingAssets

us-gaap:IncrementalCommonSharesAttributableToShareBasedPaymentArrangements

us-gaap:InterestAndDividendIncomeOperating

us-gaap:InterestAndDividendIncomeSecuritiesAvailableForSale

us-gaap:InterestAndDividendIncomeSecuritiesHeldToMaturity

us-gaap:InterestExpenseMoneyMarketDeposits

us-gaap:InterestExpenseNegotiableOrderOfWithdrawalNOWDeposits

us-gaap:InterestExpenseSavingsDeposits

us-gaap:InterestExpenseShortTermBorrowings

us-gaap:InterestExpenseTimeDeposits

us-gaap:InterestIncomeExpenseAfterProvisionForLoanLoss

us-gaap:LaborAndRelatedExpense
us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncome, us-gaap:StatementEquityComponents

us-gaap:LeaseCost

us-gaap:NoninterestExpense

us-gaap:NoninterestIncome

us-gaap:NoninterestIncomeOther

us-gaap:OccupancyNet

us-gaap:OciBeforeReclassificationsNetOfTaxAttributableToParent
us-gaap:StatementEquityComponents

us-gaap:OperatingLeaseCost

us-gaap:OperatingLeasePayments

us-gaap:OtherComprehensiveIncomeAvailableforsaleSecuritiesAdjustmentNetOfTaxPortionAttributableToParent

us-gaap:OtherComprehensiveIncomeAvailableforsaleSecuritiesTaxPortionAttributableToParent

us-gaap:OtherComprehensiveIncomeDefinedBenefitPlansAdjustmentBeforeTaxPortionAttributableToParent

us-gaap:OtherComprehensiveIncomeDefinedBenefitPlansAdjustmentNetOfTaxPortionAttributableToParent

us-gaap:OtherComprehensiveIncomeDefinedBenefitPlansTaxPortionAttributableToParent

us-gaap:OtherComprehensiveIncomeLossAmortizationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetPriorServiceCostCreditBeforeTax

us-gaap:OtherComprehensiveIncomeLossAvailableForSaleSecuritiesTax

us-gaap:OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent
us-gaap:StatementEquityComponents

us-gaap:OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesBeforeTax

us-gaap:OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetGainLossBeforeTax

us-gaap:OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodBeforeTax

us-gaap:OtherNoninterestExpense

us-gaap:PaymentsForProceedsFromLoansAndLeases

us-gaap:PaymentsToAcquireAvailableForSaleSecurities

us-gaap:ProceedsFromMaturitiesPrepaymentsAndCallsOfAvailableForSaleSecurities

us-gaap:ProceedsFromMaturitiesPrepaymentsAndCallsOfHeldToMaturitySecurities

us-gaap:ProceedsFromSaleOfAvailableForSaleSecuritiesDebt

us-gaap:ProceedsFromSaleOfOtherRealEstate

us-gaap:ProceedsFromSaleOfTreasuryStock

us-gaap:ProceedsFromStockOptionsExercised

us-gaap:ProfessionalFees

us-gaap:ProvisionForLoanAndLeaseLosses
us-gaap:FinancingReceivablePortfolioSegment

us-gaap:RealEstateOwnedValuationAllowanceAmountsApplied

us-gaap:ReclassificationFromAociCurrentPeriodNetOfTaxAttributableToParent
us-gaap:StatementEquityComponents

us-gaap:RightOfUseAssetObtainedInExchangeForOperatingLeaseLiability

us-gaap:TransferToOtherRealEstate

us-gaap:TreasuryStockSharesAcquired

us-gaap:TreasuryStockValueAcquiredCostMethod
us-gaap:StatementEquityComponents

us-gaap:VariableLeaseCost

trst:CollateralDependentImpairedFinancingReceivableRecordedInvestment
us-gaap:FinancingReceivablePortfolioSegment
us-gaap:ConsolidatedEntities
trst:CommonEquityTier1CapitalAdequatelyCapitalized
us-gaap:ConsolidatedEntities
trst:CommonEquityTierOneCapitalConservationBuffer
us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementFrequency
trst:CorporateBondsFairValueDisclosure
us-gaap:FairValueByMeasurementBasis, us-gaap:FairValueByMeasurementFrequency

trst:DebtSecuritiesHeldToMaturityFairValueDisclosures
us-gaap:FairValueByFairValueHierarchyLevel
us-gaap:FairValueByMeasurementBasis

trst:DemandDepositAccountsFairValueDisclosure
us-gaap:FairValueByFairValueHierarchyLevel
us-gaap:FairValueByMeasurementBasis

trst:FinancingReceivableRecordedInvestmentNonaccrualStatusAndOtherNonperformingRealEstateMortgages
us-gaap:StatementGeographical

trst:ImpairedLoansIncludedInClassifiedLoans
us-gaap:Range, us-gaap:FairValueByMeasurementFrequency, us-gaap:FinancingReceivablePortfolioSegment, us-gaap:MeasurementInputType, us-gaap:ValuationTechnique
trst:ImpairedLoansMeasurementInput

trst:InterestBearingDepositFairValueDisclosure
us-gaap:FairValueByFairValueHierarchyLevel
us-gaap:FairValueByMeasurementBasis

trst:InterestPayableFairValueDisclosure
us-gaap:FairValueByFairValueHierarchyLevel
us-gaap:FairValueByMeasurementBasis

trst:InterestReceivableFairValueDisclosure
us-gaap:FairValueByFairValueHierarchyLevel
us-gaap:FairValueByMeasurementBasis
us-gaap:FairValueByMeasurementBasis
trst:InvestmentInFederalReserveBankAndFederalHomeLoanBankStockFairValueDisclosure
us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementFrequency
trst:MortgageBackedSecuritiesAndCollateralizedMortgageObligationsResidentialFairValueDisclosure
us-gaap:FairValueByMeasurementBasis, us-gaap:FairValueByMeasurementFrequency
us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable
trst:NonAccrualResidentialMortgageLoansInTheProcessOfForeclosure

trst:OtherRealEstateMortgageLoans
us-gaap:StatementGeographical

trst:OtherRealEstateOwned

trst:OtherRealEstateOwnedCommercialRealEstateFairValueDisclosure

trst:OtherRealEstateOwnedResidentialRealEstatePropertiesFairValueDisclosure
us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementFrequency
trst:OtherSecuritiesFairValueDisclosure
us-gaap:FairValueByMeasurementBasis, us-gaap:FairValueByMeasurementFrequency
us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementFrequency
trst:RealEstateMortgagesOneToFourFamilyClassifiedAsImpairedFairValueDisclosure
us-gaap:FairValueByMeasurementBasis, us-gaap:FairValueByMeasurementFrequency
us-gaap:ConsolidatedEntities
trst:RiskBasedCapitalRatioCapitalConservationBuffer
us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementFrequency
trst:SmallBusinessAdministrationGuaranteedParticipationSecuritiesFairValueDisclosure
us-gaap:FairValueByMeasurementBasis, us-gaap:FairValueByMeasurementFrequency
us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementFrequency
trst:StateAndPoliticalSubdivisionsFairValueDisclosure
us-gaap:FairValueByMeasurementBasis, us-gaap:FairValueByMeasurementFrequency

trst:TdrSClassificationsFromPreviouslyPerformingLoans
us-gaap:ConsolidatedEntities
trst:TierOneRiskBasedCapitalRatioCapitalConservationBuffer
us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementFrequency
trst:USGovernmentSponsoredEnterprisesFairValueDisclosure
us-gaap:FairValueByMeasurementBasis, us-gaap:FairValueByMeasurementFrequency

us-gaap:AccruedLiabilitiesAndOtherLiabilities

us-gaap:AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedGainBeforeTax
us-gaap:FinancialInstrument

us-gaap:AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedLossBeforeTax
us-gaap:FinancialInstrument

us-gaap:AvailableForSaleDebtSecuritiesAmortizedCostBasis
us-gaap:FinancialInstrument

us-gaap:AvailableForSaleSecuritiesAccumulatedGrossUnrealizedGainLossBeforeTax
us-gaap:FinancialInstrument
us-gaap:AvailableForSaleSecuritiesDebtMaturitiesWithoutSingleMaturityDateAmortizedCost
us-gaap:FinancialInstrument
us-gaap:AvailableForSaleSecuritiesDebtMaturitiesWithoutSingleMaturityDateFairValue

us-gaap:AvailableForSaleSecuritiesDebtSecurities
us-gaap:FairValueByFairValueHierarchyLevel
us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementFrequency
us-gaap:FairValueByMeasurementBasis
us-gaap:FairValueByMeasurementBasis, us-gaap:FairValueByMeasurementFrequency
us-gaap:FinancialInstrument
us-gaap:ConsolidatedEntities
us-gaap:Capital
us-gaap:ConsolidatedEntities
us-gaap:CapitalRequiredForCapitalAdequacyToRiskWeightedAssets

us-gaap:CashAndDueFromBanks
us-gaap:ConsolidatedEntities
us-gaap:CommonEquityTierOneCapital
us-gaap:ConsolidatedEntities
us-gaap:CommonEquityTierOneCapitalRatio

us-gaap:DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPosition12MonthsOrLonger
us-gaap:FinancialInstrument

us-gaap:DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPosition12MonthsOrLongerAccumulatedLoss
us-gaap:FinancialInstrument

us-gaap:DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12Months
us-gaap:FinancialInstrument

us-gaap:DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12MonthsAccumulatedLoss
us-gaap:FinancialInstrument

us-gaap:DebtSecuritiesAvailableForSaleUnrealizedLossPosition
us-gaap:FinancialInstrument

us-gaap:DebtSecuritiesAvailableForSaleUnrealizedLossPositionAccumulatedLoss
us-gaap:FinancialInstrument

us-gaap:DemandDepositAccounts

us-gaap:Deposits

us-gaap:DepositsMoneyMarketDeposits

us-gaap:DepositsNegotiableOrderOfWithdrawalNOW

us-gaap:DepositsSavingsDeposits

us-gaap:FederalHomeLoanBankStockAndFederalReserveBankStock

us-gaap:FinancingReceivableAllowanceForCreditLossesCollectivelyEvaluatedForImpairment
us-gaap:FinancingReceivablePortfolioSegment

us-gaap:FinancingReceivableCollectivelyEvaluatedForImpairment
us-gaap:FinancingReceivablePortfolioSegment

us-gaap:FinancingReceivableIndividuallyEvaluatedForImpairment
us-gaap:FinancingReceivablePortfolioSegment
us-gaap:FinancingReceivablePortfolioSegment, us-gaap:LoanRestructuringModification
us-gaap:FinancingReceivableModificationsRecordedInvestment
us-gaap:LoanRestructuringModification

us-gaap:FinancingReceivableRecordedInvestmentCurrent
us-gaap:FinancingReceivablePortfolioSegment
us-gaap:FinancingReceivablePortfolioSegment, us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable
us-gaap:StatementGeographical
us-gaap:StatementGeographical, us-gaap:FinancingReceivablePortfolioSegment
us-gaap:StatementGeographical, us-gaap:FinancingReceivablePortfolioSegment, us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable

us-gaap:FinancingReceivableRecordedInvestmentNonaccrualStatus
us-gaap:FinancingReceivablePortfolioSegment
us-gaap:FinancingReceivablePortfolioSegment, us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable
us-gaap:StatementGeographical
us-gaap:StatementGeographical, us-gaap:FinancingReceivablePortfolioSegment
us-gaap:StatementGeographical, us-gaap:FinancingReceivablePortfolioSegment, us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable

us-gaap:FinancingReceivableRecordedInvestmentPastDue

us-gaap:HeldToMaturitySecurities
us-gaap:FinancialInstrument

us-gaap:HeldToMaturitySecuritiesAccumulatedUnrecognizedHoldingGain
us-gaap:FinancialInstrument

us-gaap:HeldToMaturitySecuritiesAccumulatedUnrecognizedHoldingLoss
us-gaap:FinancialInstrument

us-gaap:HeldToMaturitySecuritiesContinuousUnrealizedLossPositionAccumulatedLoss

us-gaap:HeldToMaturitySecuritiesFairValue
us-gaap:FinancialInstrument

us-gaap:ImpairedFinancingReceivableRecordedInvestment
us-gaap:FinancingReceivablePortfolioSegment, us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable
us-gaap:StatementGeographical
us-gaap:StatementGeographical, us-gaap:FinancingReceivablePortfolioSegment, us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable

us-gaap:ImpairedFinancingReceivableUnpaidPrincipalBalance
us-gaap:FinancingReceivablePortfolioSegment, us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable
us-gaap:StatementGeographical
us-gaap:StatementGeographical, us-gaap:FinancingReceivablePortfolioSegment, us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable

us-gaap:InterestBearingDepositsInBanks

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueNextTwelveMonths

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearFour

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearThree

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearTwo

us-gaap:LesseeOperatingLeaseLiabilityUndiscountedExcessAmount

us-gaap:LoansAndLeasesReceivableAllowance
us-gaap:FinancingReceivablePortfolioSegment

us-gaap:LoansAndLeasesReceivableGrossCarryingAmount

us-gaap:LoansAndLeasesReceivableNetOfDeferredIncome

us-gaap:LoansAndLeasesReceivableNetReportedAmount

us-gaap:LoansReceivableFairValueDisclosure
us-gaap:FairValueByFairValueHierarchyLevel
us-gaap:FairValueByMeasurementBasis

us-gaap:OperatingLeaseLiability

us-gaap:OperatingLeaseWeightedAverageDiscountRatePercent

us-gaap:OtherAssets
us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementFrequency
us-gaap:OtherRealEstate
us-gaap:FairValueByMeasurementBasis, us-gaap:FairValueByMeasurementFrequency
us-gaap:Range, us-gaap:FairValueByMeasurementFrequency
us-gaap:OtherRealEstateOwnedMeasurementInput

us-gaap:ShortTermBorrowings

us-gaap:ShorttermDebtFairValue
us-gaap:FairValueByFairValueHierarchyLevel
us-gaap:FairValueByMeasurementBasis
us-gaap:ConsolidatedEntities
us-gaap:TierOneLeverageCapital
us-gaap:ConsolidatedEntities
us-gaap:TierOneLeverageCapitalToAverageAssets
us-gaap:ConsolidatedEntities
us-gaap:TierOneRiskBasedCapitalRequiredForCapitalAdequacyToRiskWeightedAssets

us-gaap:TimeDeposits

us-gaap:TreasuryStockCommonShares

us-gaap:TreasuryStockCommonValue

us-gaap:TreasuryStockShares

Tables

  2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-30
us-gaap:CommonStockValue ████████▇▇▇▅▄▄▃▂▂▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁100.205100.205100.205100.2100.18100.18100.175100.175100.093100.00299.99899.56299.51199.49399.21499.12199.07198.97398.97398.96498.96498.96498.94598.94298.92798.92798.92798.91298.91298.91298.91298.912NANA98.912NANANANANANA
us-gaap:CommonStockSharesIssued █████████████████▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇▁100.204832100.204832100.204832100.199982100.180132100.180132100.175032100.175032100.093682100.00248299.99848299.56188299.51068299.49288299.21438299.12108299.07105298.97345298.97345298.96405298.96405298.96405298.94462398.94212398.92712398.92712398.92712398.91242398.91242398.91242398.91242398.91242398.91242398.91242398.91242398.80642383.166423NA83.166423NANA
us-gaap:WeightedAverageNumberOfDilutedSharesOutstanding ▁█96.43796.749NA96.97796.89196.822NA96.68996.5896.484NA96.20596.07395.987NA95.72295.5895.412NA95.23495.1995.074NA94.75294.67594.581NA94.27594.10593.967NA93.69993.56293.441NA92.12477.363NANANANA
us-gaap:WeightedAverageNumberOfSharesOutstandingBasic ▁█96.43396.727NA96.90796.82296.744NA96.55596.44996.353NA96.10296.00395.879NA95.60395.48795.365NA95.14995.05694.947NA94.62894.55994.452NA94.22894.09893.962NA93.69293.56193.44NA92.12477.363NANANANA
 us-gaap:AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount us-gaap:AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareByAntidilutiveSecurities us-gaap:EmployeeStockOption▄▄0.4520.452NA0.00.00.0NA0.00.00.0NA0.9950.4120.553NA1.61.61.6NA1.41.41.4NA2.42.42.4NA2.12.7NANANANANANANANANANANANA
us-gaap:EarningsPerShareBasic ▄▆▆▇▇▇█▇█▇▁▅▅▄▄▄▄▄▃▄▄▄▄▄▅▄▄▄▃▃▃▃▃▂▂▃▃▃▂▄▂0.1170.1380.142999999999999960.1520.1520.150.166000000000000040.1570.160.1540.076000000000000010.1310.1270.1140.112999999999999990.1140.110.1090.106999999999999980.1120.1130.1130.113000000000000040.1130.1250.1160.111999999999999990.1090.1040.0970.104000000000000040.1040.0970.0950.093000000000000030.10.10.0960.089000000000000020.1090.093
us-gaap:EarningsPerShareDiluted ▄▆▆▇▇▇█▇█▇▁▅▅▄▄▄▄▄▃▄▄▄▄▄▅▄▄▄▃▃▃▃▃▂▂▃▃▃▂▄▂0.1170.1380.143999999999999960.1520.1510.150.166000000000000040.1570.160.1530.076000000000000010.1310.1270.1140.111999999999999990.1140.1090.1090.106999999999999980.1110.1130.1130.112000000000000040.1130.1250.1160.111999999999999990.1090.1040.0970.104000000000000040.1040.0970.0950.093000000000000030.10.10.0960.089000000000000020.1090.093
 us-gaap:TierOneRiskBasedCapitalToRiskWeightedAssets us-gaap:ConsolidatedEntities srt:ParentCompany▂▇█▁▁▄▂1.8794e-071.8943e-071.8988e-071.8767e-071.8777e-071.8856000000000002e-071.879e-07NANANA1.802e-07NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:TierOneRiskBasedCapitalToRiskWeightedAssets us-gaap:ConsolidatedEntities srt:Subsidiaries▄█▆▁▂▄▂1.832e-071.847e-071.8412e-071.8201999999999998e-071.8236e-071.8299000000000003e-071.8233e-07NANANA1.7460000000000001e-07NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:CapitalToRiskWeightedAssets us-gaap:ConsolidatedEntities srt:ParentCompany▂▇█▁▁▄▂2.005e-072.0197999999999999e-072.0241999999999998e-072.0021e-072.0031e-072.0111e-072.0046e-07NANANA1.928e-07NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:CapitalToRiskWeightedAssets us-gaap:ConsolidatedEntities srt:Subsidiaries▄█▆▁▂▄▂1.9576e-071.9724e-071.9666e-071.9456000000000002e-071.9491e-071.9555e-071.9489000000000002e-07NANANA1.872e-07NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
  2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-30
 us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:ProductOrService trst:InterchangeIncome▅▁▁▅▇█▇▅▆▇▆▆▆▇0.9310.2770.280.971.2841.5311.3441.0031.171.3061.0851.1411.2531.266NANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:ProductOrService trst:Other█▂▂▂▂▂▂▂▁▂▂▂▃▁0.3820.1080.1160.1240.1090.110.120.1250.0960.1140.120.1240.1530.079NANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:ProductOrService trst:OverdraftFees▁▇██▇▇██▆▆▆█▇▇0.4520.8730.9410.9310.8490.850.9570.9350.8230.8270.8350.9210.8760.859NANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:ProductOrService trst:WealthManagementFees▁▄▂▃▆▆▁▃▄▇▂█▂█1.3681.61.4541.5171.6831.7331.3561.5161.5961.8151.4571.8441.4251.858NANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:InterestAndFeeIncomeLoansAndLeases █████▇▇▇▆▅▅▅▄▄▄▄▄▄▄▄▄▃▃▃▂▂▂▁▁▁▁▁▂▂▂▂▁▁▁▂▁41.66542.06342.00241.92341.43241.25341.18440.07338.95638.09137.91437.51336.66236.04436.25136.17135.65235.60535.9335.63135.34334.98335.05134.42133.61432.87432.65832.16631.63931.48131.77632.10332.27732.42532.71132.6432.18431.67732.12232.29731.976
us-gaap:InterestExpense ▅▆▇██▆▄▃▂▂▁▁▁▁▁▁▁▁▁▂▂▂▂▁▁▁▁▁▁▁▂▂▃▄▄▄▄▅▆▆▇6.8888.0589.2829.8859.4737.6816.1255.2154.7064.1823.7643.6093.5673.6523.7153.8363.9093.8443.8894.0914.0574.164.0963.9263.6763.793.8483.7793.7913.8654.0324.5995.4355.9096.0776.4726.627.0757.6778.5319.258
us-gaap:InterestIncomeExpenseNet ▆▆▆▆▇▇███▇▇▇▆▅▅▅▅▅▅▄▄▄▄▄▄▃▃▃▃▃▃▃▃▂▃▃▃▂▁▁▁37.68138.55338.24138.64339.19139.73240.73940.52340.10939.31539.24839.17938.54137.436.90736.66736.29936.18236.26236.0535.67135.16535.66935.64835.4834.65634.51634.10333.5433.60533.5834.15833.86633.38433.96134.12533.87632.54231.93131.55331.845
us-gaap:InterestPaidNet ▆▇███▆▅█▁▄▃▃▃▃▃▄7.128.2589.3579.9039.3937.2335.8789.3140.4954.0543.6973.6013.6153.6683.6853.859NANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments ▄▆▇▇█▇███████▆▆▆▆▅▅▅▆▆▆▆▇▇▆▅▅▄▅▅▄▄▄▄▂▂▁▂▂15.17517.61918.26519.49819.54419.20219.77220.13420.20919.53919.719.95719.58217.50817.45417.59716.72416.51516.28416.15117.19417.13117.18117.24619.04818.11416.97316.32915.58714.6415.59115.83214.39414.15814.58814.38512.04511.36710.37211.50811.161
us-gaap:IncomeTaxExpenseBenefit ▂▂▂▂▂▂▁▂▂▂█▄▄▄▄▄▃▃▃▃▄▃▄▄▄▄▃▃▃▃▃▃▃▃▃▃▂▂▁▁▂3.9214.3064.3584.794.8774.6443.7394.9354.8044.73112.3387.3617.3426.5616.6566.6676.266.1066.1045.5356.4676.4166.5216.5327.247.1036.3446.0775.8245.4725.7856.0795.3285.2495.8745.164.2793.9853.4683.154.037
us-gaap:NetIncomeLoss ▄▆▆▇▇▇█▇█▇▁▅▅▄▄▄▄▄▄▄▄▄▄▄▅▄▄▄▃▃▃▃▃▃▂▃▂▁▁▂▁11.25413.31313.90714.70814.66714.55816.03315.19915.40514.8087.36212.59612.2410.94710.79810.9310.46410.40910.1810.61610.72710.71510.6610.71411.80811.01110.62910.2529.7639.1689.8069.7539.0668.9098.7149.2257.7667.3826.9048.3587.124
us-gaap:ComprehensiveIncomeNetOfTax ▄▆▅▅▆▅▅▄▅▄▄▄▅▄▃▄▄▅▃▅▃▄▄▄▅▅▄▄▁▃▃▄▄▄█▂▂▃▇▂▂11.79820.24418.43916.41119.90417.85618.72411.99514.0999.478.61613.12914.21511.632.21910.86312.78615.2636.57315.3697.48712.5379.6599.81718.64915.36212.74911.16-6.8997.4416.48513.04710.59811.45534.7130.00.07.32526.4840.00.0
  2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-30
  2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-30
  2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-30
us-gaap:Assets █▆▆▆▆▆▅▅▅▅▅▄▅▅▄▄▄▄▄▄▄▄▄▃▃▃▃▃▃▂▂▂▃▂▂▂▁5677.0035256.6475221.3225222.4695227.675156.3214958.9134885.3514940.5594931.5644908.0084870.2754920.4824886.7434868.8064812.8494830.9134763.2624734.9924725.8174741.3374740.6564644.4394582.2664589.1294578.7374521.4524459.4074443.2044411.7574346.6134318.1734421.3994374.4434243.6444192.9594070.326NA3954.784NANA
us-gaap:Liabilities █▆▆▆▆▆▅▄▅▅▄▄▅▄▄▄▄▄▄▄▄▄▃▃▃▃▃▃▃▂▂▂▂▂▂▁▁5123.5824708.4624683.0654696.3064712.044654.6034469.0424408.2334469.7444469.4674449.74415.3474473.1164448.0434436.124377.2414400.6484340.2374321.6824313.5254338.8784340.184250.9954192.7794204.1124206.9584159.6394105.0194094.5814050.8683987.8153960.5564071.4924029.7973905.1283855.1493801.377NA3699.344NANA
us-gaap:LiabilitiesAndStockholdersEquity █▆▆▆▆▆▅▅▅▅▅▄▅▅▄▄▄▄▄▄▄▄▄▃▃▃▃▃▃▂▂▂▃▂▂▂▁5677.0035256.6475221.3225222.4695227.675156.3214958.9134885.3514940.5594931.5644908.0084870.2754920.4824886.7434868.8064812.8494830.9134763.2624734.9924725.8174741.3374740.6564644.4394582.2664589.1294578.7374521.4524459.4074443.2044411.7574346.6134318.1734421.3994374.4434243.6444192.9594070.326NA3954.784NANA
us-gaap:StockholdersEquity ███▇▇▇▇▆▆▆▆▆▆▅▅▅▅▅▅▅▄▄▄▄▄▄▄▃▃▃▃▃▃▃▃▃▁▁▁▁▁553.421548.185538.257526.163515.63501.718489.871477.118470.815462.097458.308454.928447.366438.7432.686435.608430.265423.025413.31412.292402.459400.476393.444389.487385.017371.779361.813354.388348.623360.889358.798357.617349.907344.646338.516337.81268.949258.472255.44261.171255.189
 us-gaap:TierOneRiskBasedCapital us-gaap:ConsolidatedEntities srt:ParentCompany█▇▇▅▄▂▁540.932536.239533.243525.68516.85508.176499.626NANANA459.561NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:TierOneRiskBasedCapital us-gaap:ConsolidatedEntities srt:Subsidiaries█▇▆▅▄▂▁527.145522.527516.775509.531501.685492.918484.581NANANA444.931NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
  2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-30
us-gaap:CashAndCashEquivalentsAtCarryingValue █▃▂▂▃▄▃▂▄▄▄▄▅▅▅▅▆▆▅▅▅▆▅▄▄▅▄▃▄▂▃▂▃▃▃▂▃▁▂▁▃952.836536.053456.846450.677560.155619.187503.709465.449586.616617.17612.74624.197707.143683.191707.274664.428758.396760.178718.156698.072678.585750.126671.448630.655621.548733.13583.044555.649628.832444.774544.016442.644522.638525.481532.943475.825520.876390.588444.25370.53541.807
  2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-30
us-gaap:PropertyPlantAndEquipmentNet ▁▂▂▁▁▂▂▃▃▃▃▂▃▃▃▄▅▆▆▆▇██▆▅▃▂▂▇▄▄▆▇▅▅▄▄34.04234.42834.62234.16834.05834.42834.69435.21435.52135.2435.15735.02835.17435.17535.46636.1136.79337.3637.64337.50638.138.81238.56537.45536.65835.26734.41434.55938.30135.78736.23937.25137.86837.09937.00635.94636.032NA36.632NANA
us-gaap:OperatingLeaseRightOfUseAsset ██████▁48.71249.95551.47549.61851.09751.5590.0NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
  2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-30
  2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-30
  2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-30
us-gaap:StockholdersEquity ███▇▇▇▇▆▆▆▆▆▆▅▅▅▅▅▅▅▄▄▄▄▄▄▄▃▃▃▃▃▃▃▃▃▁▁▁▁▁553.421548.185538.257526.163515.63501.718489.871477.118470.815462.097458.308454.928447.366438.7432.686435.608430.265423.025413.31412.292402.459400.476393.444389.487385.017371.779361.813354.388348.623360.889358.798357.617349.907344.646338.516337.81268.949258.472255.44261.171255.189
us-gaap:CommonStockValue ████████▇▇▇▅▄▄▃▂▂▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁100.205100.205100.205100.2100.18100.18100.175100.175100.093100.00299.99899.56299.51199.49399.21499.12199.07198.97398.97398.96498.96498.96498.94598.94298.92798.92798.92798.91298.91298.91298.91298.912NANA98.912NANANANANANA
us-gaap:AdditionalPaidInCapitalCommonStock ███████████▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇████████▁176.437176.431176.427176.395176.396176.51176.71176.764176.243175.674175.651172.712172.603172.628171.425171.093171.174171.113171.443171.788171.988172.237172.353172.598172.769172.964173.144173.408173.897174.386174.899175.284175.773176.199176.638177.448126.196NA126.982NANA
us-gaap:RetainedEarningsAccumulatedDeficit ███▇▇▇▆▆▆▅▅▅▅▄▄▄▄▄▄▄▃▃▃▃▃▂▂▂▂▂▂▂▁▁▁▁▁299.239294.553288.067280.542272.433264.364256.397246.965238.342229.267219.436218.401212.112206.173201.517197.013192.356188.159184.009180.093175.721171.232166.745162.326157.832152.237147.432143.015138.953135.373132.378128.75125.153122.235119.465116.894113.782NA108.78NANA
us-gaap:AccumulatedOtherComprehensiveIncomeLossNetOfTax ██▆▅▅▃▃▂▃▃▅▄▄▄▄▆▆▅▄▅▄▄▄▄▄▃▂▁▁▅▅▆▅▅▄▅▆11.93611.3924.461-0.071-1.774-7.011-10.309-13.0-9.796-8.49-1.806-3.06-3.593-5.568-6.2512.3282.3950.073-4.781-1.174-5.927-2.687-4.509-3.508-2.611-9.452-13.803-15.923-16.831-0.1691.5584.8791.5850.053-2.4930.2582.846NA-4.119NANA
us-gaap:TreasuryStockValue NA34.39630.90330.90331.60532.32533.10233.78634.06734.35634.97132.68733.26734.02633.21933.94734.73135.29336.33437.37938.28739.2740.0940.87141.942.89743.88745.02446.30847.61348.94950.20851.51652.75354.00655.59657.041NA59.369NANA
us-gaap:AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue █▁0.0060.004NA0.0060.006-0.0120.0210.0750.0490.0280.0360.0350.0370.0420.0560.0560.0560.0560.060.0480.0480.0480.0650.0870.0860.0870.1320.0750.0830.0880.1370.0890.0890.090.1760.0370.0370.0370.0430.0440.045
  2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-30
us-gaap:NetCashProvidedByUsedInOperatingActivities ▃▃▃▇▆▂▆▄█▁▃▄█▁▃▃13.83714.50514.02719.41717.76512.58918.80715.83421.03111.96814.20915.29420.87111.31613.85513.762NANANANANANANA11.8221.5942.83213.69517.76723.7197.77812.69517.97816.41711.539-0.69929.52522.6649.82815.19612.529NA
us-gaap:NetCashProvidedByUsedInInvestingActivities ▆█▇▂▁▅▅▃▄▅▄▅▆▄▅▃-3.14443.56312.304-106.266-126.97-27.827-34.399-69.803-45.109-24.509-54.849-32.811-13.942-43.282-23.945-78.469NANANANANANANA14.419-121.76101.334-32.491-95.881125.278-166.25168.27418.61-52.859-140.413.305-180.06961.376-111.216-65.725-176.618NA
us-gaap:NetCashProvidedByUsedInFinancingActivities █▂▂▂▃▄▃▁▂▂▂▁▂▂▃▂406.0921.139-20.162-22.62950.173130.71653.852-67.198-6.47616.97129.183-65.42917.0237.88352.936-29.261NANANANANANANA-17.132-11.41645.9246.1914.93135.06159.23120.403-116.58233.599121.40954.512105.49346.24847.726124.249-7.188NA
  2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-30
us-gaap:NetCashProvidedByUsedInOperatingActivities ▃▃▃▇▆▂▆▄█▁▃▄█▁▃▃13.83714.50514.02719.41717.76512.58918.80715.83421.03111.96814.20915.29420.87111.31613.85513.762NANANANANANANA11.8221.5942.83213.69517.76723.7197.77812.69517.97816.41711.539-0.69929.52522.6649.82815.19612.529NA
us-gaap:NetIncomeLoss ▄▆▆▇▇▇█▇█▇▁▅▅▄▄▄▄▄▄▄▄▄▄▄▅▄▄▄▃▃▃▃▃▃▂▃▂▁▁▂▁11.25413.31313.90714.70814.66714.55816.03315.19915.40514.8087.36212.59612.2410.94710.79810.9310.46410.40910.1810.61610.72710.71510.6610.71411.80811.01110.62910.2529.7639.1689.8069.7539.0668.9098.7149.2257.7667.3826.9048.3587.124
us-gaap:DeferredIncomeTaxExpenseBenefit ▁▅▄▄▄▄▇▄▄▃▁▄▄▄▂█▆▃▄█▂▅▆▃▃▆▁▃▂▄▆▄▂▄▃▂▃▁▃▄-1.1880.8460.2950.1840.1620.4981.8850.6010.375-0.305-1.3050.4290.3250.368-0.6382.6881.39-0.1790.1792.665-0.7240.8911.4180.038-0.1551.663-1.066-0.333-0.5850.5581.4580.142-0.5970.437-0.394-0.548-0.303-1.091-0.2170.131NA
us-gaap:ShareBasedCompensation ▂▂▂▂▂▁▂▄▃▂▃▃▃▃▄▄▄▄▄▃▃▃▄▅▅▅▆▄▅▅▇▅▅▅█▃▃▃▃▃0.0060.0040.0050.0060.006-0.0120.0210.0750.0490.0280.0360.0350.0370.0420.0560.0560.0560.0560.060.0480.0480.0480.0650.0870.0860.0870.1320.0750.0830.0880.1370.0890.0890.090.1760.0370.0370.0370.0430.044NA
  2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-30
us-gaap:NetCashProvidedByUsedInInvestingActivities ▆█▇▂▁▅▅▃▄▅▄▅▆▄▅▃-3.14443.56312.304-106.266-126.97-27.827-34.399-69.803-45.109-24.509-54.849-32.811-13.942-43.282-23.945-78.469NANANANANANANA14.419-121.76101.334-32.491-95.881125.278-166.25168.27418.61-52.859-140.413.305-180.06961.376-111.216-65.725-176.618NA
us-gaap:PaymentsToAcquirePropertyPlantAndEquipment ▂▂▃▃▂▂▂▁▃▃▃▂▂▂▁▂▁▂▃▂▁▃▅▅▆▄▃▂█▂▁▂▅▃▅▃▂▂▂▃0.6040.8051.4621.0860.6020.7440.9190.4171.2851.0251.1510.8560.9510.6550.3230.5150.4180.7991.2270.5850.4621.472.3262.0112.611.551.0750.7033.7730.830.2440.6522.031.3392.2941.1080.9540.8570.6771.124NA
  2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-30
us-gaap:NetCashProvidedByUsedInFinancingActivities █▂▂▂▃▄▃▁▂▂▂▁▂▂▃▂406.0921.139-20.162-22.62950.173130.71653.852-67.198-6.47616.97129.183-65.42917.0237.88352.936-29.261NANANANANANANA-17.132-11.41645.9246.1914.93135.06159.23120.403-116.58233.599121.40954.512105.49346.24847.726124.249-7.188NA
us-gaap:PaymentsOfDividendsCommonStock ███████▇▇▇▇▇▇▇▇▇▇▇▇▇▇▆▇▆▆▆▆▆▆▆▆▆▆▆▆▂▂▂▂▁6.5776.6046.6146.5936.5936.5856.5966.3336.3246.3166.326.3026.2916.2846.2886.2636.2616.2526.2566.2386.2326.2246.2336.2136.2066.1996.2046.1826.1746.1646.1696.1486.1396.1316.1265.0775.0685.0625.0674.805NA
us-gaap:PaymentsForRepurchaseOfCommonStock ▁█▁▁▁▁▁▂▂▁▇▁▁▄▁▁▂▁▁▁▁▁▂▁▁▁0.03.4930.00.00.00.0350.00.3390.3790.02.9250.180.01.5030.00.2120.4890.00.0480.00.00.0990.2820.00.00.0NANANANANANANANANANANANANANANA
  2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-30

None

us-gaap:CommonStockValue

us-gaap:CommonStockValue


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302011-12-31
Value1001001001001001001001001001009999999999999998989898989898989898989898989898
Percentage of CommonStockValue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets1.81.91.91.91.91.92.02.12.02.02.02.02.02.02.02.12.12.12.12.12.12.12.12.22.22.22.22.22.22.22.32.32.3

None

us-gaap:CommonStockSharesIssued

us-gaap:CommonStockSharesIssued


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302010-12-31
Value10010010010010010010010010010099999999999999989898989898989898989898989898989898988383
Percentage of CommonStockSharesIssued100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

None

us-gaap:WeightedAverageNumberOfDilutedSharesOutstanding

us-gaap:WeightedAverageNumberOfDilutedSharesOutstanding


None
Period End2020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-09-302016-06-302016-03-312015-09-302015-06-302015-03-312014-09-302014-06-302014-03-312013-09-302013-06-302013-03-312012-09-302012-06-302012-03-312011-09-302011-06-30
Value96969696969696969696959595959595959494949494939393939277
Percentage of WeightedAverageNumberOfDilutedSharesOutstanding100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

None

us-gaap:WeightedAverageNumberOfSharesOutstandingBasic

us-gaap:WeightedAverageNumberOfSharesOutstandingBasic


None
Period End2020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-09-302016-06-302016-03-312015-09-302015-06-302015-03-312014-09-302014-06-302014-03-312013-09-302013-06-302013-03-312012-09-302012-06-302012-03-312011-09-302011-06-30
Value96969696969696969696959595959595949494949494939393939277
Percentage of WeightedAverageNumberOfSharesOutstandingBasic100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

None

us-gaap:AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount us-gaap:AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareByAntidilutiveSecurities

us-gaap:AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount

us-gaap:EmployeeStockOption


None
Period End2020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-09-302016-06-302016-03-312015-09-302015-06-302015-03-312014-09-302014-06-302014-03-312013-09-302013-06-30
Value0.4520.4520.00.00.00.00.00.00.9950.4120.5531.61.61.61.41.41.42.42.42.42.12.7
Percentage of AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount100.0100.00.00.00.00.00.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

None

us-gaap:EarningsPerShareBasic

us-gaap:EarningsPerShareBasic


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-30
Value0.1170.1380.1430.1520.1520.150.1660.1570.160.1540.0760.1310.1270.1140.1130.1140.110.1090.1070.1120.1130.1130.1130.1130.1250.1160.1120.1090.1040.0970.1040.1040.0970.0950.0930.10.10.0960.0890.1090.093
Percentage of EarningsPerShareBasic100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

None

us-gaap:EarningsPerShareDiluted

us-gaap:EarningsPerShareDiluted


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-30
Value0.1170.1380.1440.1520.1510.150.1660.1570.160.1530.0760.1310.1270.1140.1120.1140.1090.1090.1070.1110.1130.1130.1120.1130.1250.1160.1120.1090.1040.0970.1040.1040.0970.0950.0930.10.10.0960.0890.1090.093
Percentage of EarningsPerShareDiluted100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

None

us-gaap:TierOneRiskBasedCapitalToRiskWeightedAssets us-gaap:ConsolidatedEntities

us-gaap:TierOneRiskBasedCapitalToRiskWeightedAssets

srt:ParentCompany


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312017-12-31
Value0.187940.189430.189880.187670.187770.188560.18790.1802
Percentage of TierOneRiskBasedCapitalToRiskWeightedAssets100.0100.0100.0100.0100.0100.0100.0100.0

srt:Subsidiaries


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312017-12-31
Value0.18320.18470.184120.182020.182360.182990.182330.1746
Percentage of TierOneRiskBasedCapitalToRiskWeightedAssets97.597.597.097.097.197.097.096.9

None

us-gaap:CapitalToRiskWeightedAssets us-gaap:ConsolidatedEntities

us-gaap:CapitalToRiskWeightedAssets

srt:ParentCompany


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312017-12-31
Value0.20050.201980.202420.200210.200310.201110.200460.1928
Percentage of CapitalToRiskWeightedAssets100.0100.0100.0100.0100.0100.0100.0100.0

srt:Subsidiaries


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312017-12-31
Value0.195760.197240.196660.194560.194910.195550.194890.1872
Percentage of CapitalToRiskWeightedAssets97.697.797.297.297.397.297.297.1

None

us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:ProductOrService

us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax

trst:InterchangeIncome


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value931000.0277000.0280000.0970000.01284000.01531000.01344000.01003000.01170000.01306000.01085000.01141000.01253000.01266000.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of InterestAndDividendIncomeOperating2.10.60.02.02.63.20.02.22.63.00.02.73.03.1
Percentage of InterestAndDividendIncomeOperating trst:InterchangeIncome0.00.00.00.00.00.00.00.00.00.00.00.00.00.0

trst:Other


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value382000.0108000.0116000.0124000.0109000.0110000.0120000.0125000.096000.0114000.0120000.0124000.0153000.079000.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax41.039.041.412.88.57.28.912.58.28.711.110.912.26.2
Percentage of InterestAndDividendIncomeOperating0.90.20.00.30.20.20.00.30.20.30.00.30.40.2
Percentage of InterestAndDividendIncomeOperating trst:Other0.00.00.00.00.00.00.00.00.00.00.00.00.00.0

trst:OverdraftFees


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value452000.0873000.0941000.0931000.0849000.0850000.0957000.0935000.0823000.0827000.0835000.0921000.0876000.0859000.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax48.5315.2336.196.066.155.571.293.270.363.377.080.769.967.9
Percentage of InterestAndDividendIncomeOperating1.01.90.01.91.71.80.02.01.81.90.02.22.12.1
Percentage of InterestAndDividendIncomeOperating trst:OverdraftFees0.00.00.00.00.00.00.00.00.00.00.00.00.00.0

trst:WealthManagementFees


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value1368000.01600000.01454000.01517000.01683000.01733000.01356000.01516000.01596000.01815000.01457000.01844000.01425000.01858000.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax146.9577.6519.3156.4131.1113.2100.9151.1136.4139.0134.3161.6113.7146.8
Percentage of InterestAndDividendIncomeOperating3.13.40.03.13.53.70.03.33.64.20.04.33.44.5
Percentage of InterestAndDividendIncomeOperating trst:WealthManagementFees0.00.00.00.00.00.00.00.00.00.00.00.00.00.0

None

us-gaap:InterestAndFeeIncomeLoansAndLeases

us-gaap:InterestAndFeeIncomeLoansAndLeases


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-30
Value4142424141414140383837373636363635353535353435343332323231313132323232323231323231
Percentage of InterestAndFeeIncomeLoansAndLeases100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of InterestAndDividendIncomeOperating93.590.20.086.485.187.00.087.686.987.60.087.787.187.80.089.388.789.00.088.889.089.00.087.085.885.50.084.984.884.00.082.882.182.50.080.479.580.00.080.677.8

None

us-gaap:InterestExpense

us-gaap:InterestExpense


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-30
Value6.8888.0589.2829.8859.4737.6816.1255.2154.7064.1823.7643.6093.5673.6523.7153.8363.9093.8443.8894.0914.0574.164.0963.9263.6763.793.8483.7793.7913.8654.0324.5995.4355.9096.0776.4726.627.0757.6778.5319.258
Percentage of InterestExpense100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of InterestAndDividendIncomeOperating15.517.30.020.419.516.20.011.410.59.60.08.48.58.90.09.59.79.60.010.210.210.60.09.99.49.90.010.010.210.30.011.913.815.00.015.916.317.90.021.322.5

None

us-gaap:InterestIncomeExpenseNet

us-gaap:InterestIncomeExpenseNet


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-30
Value3738383839394040403939393837363636363636353535353534343433333334333333343332313131
Percentage of InterestIncomeExpenseNet100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of InterestAndDividendIncomeOperating84.582.70.079.680.583.80.088.689.590.40.091.691.591.10.090.590.390.40.089.889.889.40.090.190.690.10.090.089.889.70.088.186.285.00.084.183.782.10.078.777.5

None

us-gaap:InterestPaidNet

us-gaap:InterestPaidNet


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-30
Value7.128.2589.3579.9039.3937.2335.8789.3140.4954.0543.6973.6013.6153.6683.6853.859
Percentage of InterestPaidNet100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of InterestAndDividendIncomeOperating16.017.70.020.419.315.30.020.41.19.30.08.48.68.90.09.5

None

us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments

us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-30
Value1517181919191920201919191917171716161616171717171918161615141515141414141211101111
Percentage of IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of InterestAndDividendIncomeOperating34.037.80.040.240.240.50.044.045.144.90.046.646.542.60.043.441.641.30.040.243.343.60.043.648.647.10.043.141.839.10.040.836.636.00.035.429.728.70.028.727.2

None

us-gaap:IncomeTaxExpenseBenefit

us-gaap:IncomeTaxExpenseBenefit


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-30
Value3.9214.3064.3584.794.8774.6443.7394.9354.8044.731127.3617.3426.5616.6566.6676.266.1066.1045.5356.4676.4166.5216.5327.247.1036.3446.0775.8245.4725.7856.0795.3285.2495.8745.164.2793.9853.4683.154.037
Percentage of IncomeTaxExpenseBenefit100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of InterestAndDividendIncomeOperating8.89.20.09.910.09.80.010.810.710.90.017.217.416.00.016.515.615.30.013.816.316.30.016.518.518.50.016.015.614.60.015.713.613.40.012.710.610.10.07.99.8

us-gaap:IncomeTaxExpenseBenefit us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncome, us-gaap:StatementEquityComponents

us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncome, us-gaap:AccumulatedDefinedBenefitPlansAdjustment


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-30
Value-0.051-0.056-0.03-0.031-0.026-0.035-0.067-0.068-0.0220.0130.156-0.02-0.020.016-0.0170.006-0.012-0.0230.0150.0260.033-0.011-0.0090.064-0.048-0.0450.0210.0210.015
Percentage of IncomeTaxExpenseBenefit-1.3-1.3-0.7-0.6-0.5-0.8-1.8-1.4-0.50.31.3-0.3-0.30.2-0.30.1-0.2-0.40.20.50.5-0.2-0.11.0-0.7-0.60.30.30.3
Percentage of InterestAndDividendIncomeOperating-0.1-0.10.0-0.1-0.1-0.10.0-0.1-0.00.00.0-0.0-0.00.00.00.0-0.0-0.10.00.10.1-0.00.00.2-0.1-0.10.00.10.0
Percentage of InterestAndDividendIncomeOperating us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncome us-gaap:AccumulatedDefinedBenefitPlansAdjustment0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncome, us-gaap:AccumulatedNetUnrealizedInvestmentGainLoss


None
Period End2020-06-302020-03-312019-06-302019-03-312017-12-312017-09-302017-06-302016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-30
Value0.0-0.30.00.00.00.00.00.00.0-0.2670.00.00.00.0-0.1-0.134-0.1510.0-0.002-0.0750.0-0.573
Percentage of IncomeTaxExpenseBenefit0.0-7.00.00.00.00.00.00.00.0-4.30.00.00.00.0-1.6-2.1-2.30.0-0.0-1.20.0-9.8
Percentage of InterestAndDividendIncomeOperating0.0-0.60.00.00.00.00.00.00.0-0.70.00.00.00.0-0.30.0-0.40.0-0.00.00.0-1.5
Percentage of InterestAndDividendIncomeOperating us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncome us-gaap:AccumulatedNetUnrealizedInvestmentGainLoss0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

None

us-gaap:NetIncomeLoss

us-gaap:NetIncomeLoss


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-30
Value111313141414161515147.36212121010101010101010101010111110109.7639.1689.8069.7539.0668.9098.7149.2257.7667.3826.9048.3587.124
Percentage of NetIncomeLoss100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of InterestAndDividendIncomeOperating25.328.60.030.330.130.70.033.234.434.00.029.429.126.70.027.026.026.00.026.427.027.20.027.130.228.60.027.126.224.50.025.223.122.70.022.719.218.60.020.917.3

us-gaap:NetIncomeLoss us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncome

us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncome


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-30
Value0.1410.1590.0880.0870.0760.0980.1940.1940.062-0.0360.2150.0290.031-0.0240.025-0.0080.4170.033-0.022-0.04-0.0490.1650.2160.1270.0710.0760.082-0.030.838
Percentage of NetIncomeLoss1.31.20.60.60.50.71.21.30.4-0.22.90.20.3-0.20.2-0.14.00.3-0.2-0.4-0.51.52.01.20.60.70.8-0.38.6
Percentage of InterestAndDividendIncomeOperating0.30.30.00.20.20.20.00.40.1-0.10.00.10.1-0.10.0-0.01.00.10.0-0.1-0.10.40.00.30.20.20.0-0.12.2
Percentage of InterestAndDividendIncomeOperating us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncome0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:NetIncomeLoss us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncome, us-gaap:StatementEquityComponents

us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncome, us-gaap:AccumulatedDefinedBenefitPlansAdjustment


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-30
Value0.1410.1590.0880.0870.0760.0980.1940.1940.062-0.0360.2150.0290.031-0.0240.025-0.0080.0160.033-0.024-0.04-0.0490.0160.015-0.0980.0710.072-0.031-0.03-0.021
Percentage of NetIncomeLoss1.31.20.60.60.50.71.21.30.4-0.22.90.20.3-0.20.2-0.10.20.3-0.2-0.4-0.50.10.1-0.90.60.7-0.3-0.3-0.2
Percentage of InterestAndDividendIncomeOperating0.30.30.00.20.20.20.00.40.1-0.10.00.10.1-0.10.0-0.00.00.10.0-0.1-0.10.00.0-0.20.20.20.0-0.1-0.1
Percentage of InterestAndDividendIncomeOperating us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncome us-gaap:AccumulatedDefinedBenefitPlansAdjustment0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncome, us-gaap:AccumulatedNetUnrealizedInvestmentGainLoss


None
Period End2020-06-302020-03-312019-06-302019-03-312017-12-312017-09-302017-06-302016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-30
Value0.00.8550.00.00.00.00.00.00.00.4010.00.0020.00.00.1490.2010.2250.00.0040.1130.00.859
Percentage of NetIncomeLoss0.06.40.00.00.00.00.00.00.03.80.00.00.00.01.41.92.10.00.01.10.08.8
Percentage of InterestAndDividendIncomeOperating0.01.80.00.00.00.00.00.00.01.00.00.00.00.00.40.00.60.00.00.00.02.3
Percentage of InterestAndDividendIncomeOperating us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncome us-gaap:AccumulatedNetUnrealizedInvestmentGainLoss0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:NetIncomeLoss us-gaap:StatementEquityComponents

us-gaap:RetainedEarnings


None
Period End2020-06-302020-03-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-30
Value1113141414161515147.36212121010101010101010101010111110109.7639.1689.8069.7539.0668.9098.7149.2257.7667.3826.9048.3587.124
Percentage of NetIncomeLoss100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of InterestAndDividendIncomeOperating25.328.630.330.130.70.033.234.434.00.029.429.126.70.027.026.026.00.026.427.027.20.027.130.228.60.027.126.224.50.025.223.122.70.022.719.218.60.020.917.3
Percentage of InterestAndDividendIncomeOperating us-gaap:RetainedEarnings0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

None

us-gaap:ComprehensiveIncomeNetOfTax

us-gaap:ComprehensiveIncomeNetOfTax


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-30
Value1120181619171811149.478.6161314112.2191012156.573157.487129.6599.81718151211-6.8997.4416.485131011340.00.07.325260.00.0
Percentage of ComprehensiveIncomeNetOfTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.00.0100.0100.00.00.0
Percentage of InterestAndDividendIncomeOperating26.543.40.033.840.937.70.026.231.521.80.030.733.828.30.026.831.838.10.038.318.831.90.024.847.640.00.029.5-18.519.90.033.727.029.20.00.00.018.50.00.00.0

None

us-gaap:Assets

us-gaap:Assets


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302010-12-31
Value56775256522152225227515649584885494049314908487049204886486848124830476347344725474147404644458245894578452144594443441143464318442143744243419240703954
Percentage of Assets100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

None

us-gaap:Liabilities

us-gaap:Liabilities


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302010-12-31
Value51234708468346964712465444694408446944694449441544734448443643774400434043214313433843404250419242044206415941054094405039873960407140293905385538013699
Percentage of Liabilities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets90.389.689.789.990.190.390.190.290.590.690.790.790.991.091.190.991.191.191.391.391.591.691.591.591.691.992.092.192.291.891.791.792.192.192.091.993.493.5

None

us-gaap:LiabilitiesAndStockholdersEquity

us-gaap:LiabilitiesAndStockholdersEquity


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302010-12-31
Value56775256522152225227515649584885494049314908487049204886486848124830476347344725474147404644458245894578452144594443441143464318442143744243419240703954
Percentage of LiabilitiesAndStockholdersEquity100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

None

us-gaap:StockholdersEquity

us-gaap:StockholdersEquity


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312008-12-31
Value553548538526515501489477470462458454447438432435430423413412402400393389385371361354348360358357349344338337268258255261255250245236
Percentage of StockholdersEquity100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets9.710.410.310.19.99.79.99.89.59.49.39.39.19.08.99.18.98.98.78.78.58.48.58.58.48.18.07.97.88.28.38.37.97.98.08.16.60.06.50.00.00.00.00.0

us-gaap:StockholdersEquity us-gaap:StatementEquityComponents

trst:ChangeInOverfundedPosition


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-03-312017-12-312016-12-312015-12-312014-12-312013-12-31
Value4.844.844.840.4230.4230.4230.3273.0543.0540.042-0.758-1.1883.843
Percentage of StockholdersEquity0.90.90.90.10.10.10.10.70.70.0-0.2-0.31.1
Percentage of Assets0.10.10.10.00.00.00.00.10.10.0-0.0-0.00.1
Percentage of Assets trst:ChangeInOverfundedPosition0.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:AccumulatedDefinedBenefitPlansAdjustment


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312013-12-31
Value-0.965-0.824-0.665-0.577-0.49-0.414-0.3162.9323.1263.1880.170.4270.4560.4870.469-0.264-0.272-0.256-0.289-0.743-0.783-0.832-0.8160.432
Percentage of StockholdersEquity-0.2-0.2-0.1-0.1-0.1-0.1-0.10.60.70.70.00.10.10.10.1-0.1-0.1-0.1-0.1-0.2-0.2-0.2-0.20.1
Percentage of Assets-0.0-0.0-0.0-0.0-0.0-0.0-0.00.10.10.10.00.00.00.00.0-0.0-0.0-0.0-0.0-0.0-0.0-0.0-0.00.0
Percentage of Assets us-gaap:AccumulatedDefinedBenefitPlansAdjustment0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:AccumulatedNetUnrealizedInvestmentGainLoss


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312013-12-31
Value8.0617.3760.2860.083-1.707-7.02-8.974-14.586-11.576-10.332-5.03-3.487-4.049-6.055-6.7622.5922.6670.329-4.492-0.431-5.144-1.855-3.693-18.078
Percentage of StockholdersEquity1.51.30.10.0-0.3-1.4-1.8-3.1-2.5-2.2-1.1-0.8-0.9-1.4-1.60.60.60.1-1.1-0.1-1.3-0.5-0.9-5.0
Percentage of Assets0.10.10.00.0-0.0-0.1-0.2-0.3-0.2-0.2-0.1-0.1-0.1-0.1-0.10.10.10.0-0.1-0.0-0.1-0.0-0.1-0.4
Percentage of Assets us-gaap:AccumulatedNetUnrealizedInvestmentGainLoss0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:AccumulatedOtherComprehensiveIncome


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312008-12-31
Value11114.461-0.071-1.774-7.011-10.309-13.0-9.796-8.49-1.806-3.06-3.593-5.568-6.2512.3282.3950.073-4.781-1.174-5.927-2.687-4.509-3.508-2.611-9.452-13.803-15.923-16.831-0.1691.5584.8791.5850.053-2.4930.2582.846-4.176-4.1194.2152.2840.777-1.282-1.441
Percentage of StockholdersEquity2.22.10.8-0.0-0.3-1.4-2.1-2.7-2.1-1.8-0.4-0.7-0.8-1.3-1.40.50.60.0-1.2-0.3-1.5-0.7-1.1-0.9-0.7-2.5-3.8-4.5-4.8-0.00.41.40.50.0-0.70.11.1-1.6-1.61.60.90.3-0.5-0.6
Percentage of Assets0.20.20.1-0.0-0.0-0.1-0.2-0.3-0.2-0.2-0.0-0.1-0.1-0.1-0.10.00.00.0-0.1-0.0-0.1-0.1-0.1-0.1-0.1-0.2-0.3-0.4-0.4-0.00.00.10.00.0-0.10.00.10.0-0.10.00.00.00.00.0
Percentage of Assets us-gaap:AccumulatedOtherComprehensiveIncome0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:AdditionalPaidInCapital


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312008-12-31
Value176176176176176176176176176175175172172172171171171171171171171172172172172172173173173174174175175176176177126126126127127128128130
Percentage of StockholdersEquity31.932.232.833.534.235.236.137.037.438.038.338.038.639.339.639.339.840.441.541.742.743.043.844.344.946.547.948.949.948.348.749.050.251.152.252.546.949.049.748.850.251.252.455.1
Percentage of Assets3.13.43.43.43.43.43.63.63.63.63.63.53.53.53.53.63.53.63.63.63.63.63.73.83.83.83.83.93.94.04.04.14.04.04.24.23.10.03.20.00.00.00.00.0
Percentage of Assets us-gaap:AdditionalPaidInCapital0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:CommonStock


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312008-12-31
Value10010010010010010010010010010099999999999999989898989898989898989898989898989898988383838383838383
Percentage of StockholdersEquity18.118.318.619.019.420.020.421.021.321.621.821.922.222.722.922.823.023.423.924.024.624.725.125.425.726.627.327.928.427.427.627.728.328.729.229.230.932.232.631.832.633.233.935.2
Percentage of Assets1.81.91.91.91.91.92.02.12.02.02.02.02.02.02.02.12.12.12.12.12.12.12.12.22.22.22.22.22.22.22.32.32.22.32.32.42.00.02.10.00.00.00.00.0
Percentage of Assets us-gaap:CommonStock0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:RetainedEarnings


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312008-12-31
Value2992942882802722642562462382292192182122062011971921881841801751711661621571521471431381351321281251221191161131111081061031019993
Percentage of StockholdersEquity54.153.753.553.352.852.752.351.850.649.647.948.047.447.046.645.244.744.544.543.743.742.842.441.741.040.940.740.439.937.536.936.035.835.535.334.642.343.042.641.040.640.440.439.7
Percentage of Assets5.35.65.55.45.25.15.25.14.84.64.54.54.34.24.14.14.04.03.93.83.73.63.63.53.43.33.33.23.13.13.03.02.82.82.82.82.80.02.80.00.00.00.00.0
Percentage of Assets us-gaap:RetainedEarnings0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:TreasuryStock


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312008-12-31
Value-34.396-34.396-30.903-30.903-31.605-32.325-33.102-33.786-34.067-34.356-34.971-32.687-33.267-34.026-33.219-33.947-34.731-35.293-36.334-37.379-38.287-39.27-40.09-40.871-41.9-42.897-43.887-45.024-46.308-47.613-48.949-50.208-51.516-52.753-54.006-55.596-57.041-58.249-59.369-60.661-61.895-62.996-64.077-69.661
Percentage of StockholdersEquity-6.2-6.3-5.7-5.9-6.1-6.4-6.8-7.1-7.2-7.4-7.6-7.2-7.4-7.8-7.7-7.8-8.1-8.3-8.8-9.1-9.5-9.8-10.2-10.5-10.9-11.5-12.1-12.7-13.3-13.2-13.6-14.0-14.7-15.3-16.0-16.5-21.2-22.5-23.2-23.2-24.3-25.1-26.1-29.5
Percentage of Assets-0.6-0.7-0.6-0.6-0.6-0.6-0.7-0.7-0.7-0.7-0.7-0.7-0.7-0.7-0.7-0.7-0.7-0.7-0.8-0.8-0.8-0.8-0.9-0.9-0.9-0.9-1.0-1.0-1.0-1.1-1.1-1.2-1.2-1.2-1.3-1.3-1.40.0-1.50.00.00.00.00.0
Percentage of Assets us-gaap:TreasuryStock0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

None

us-gaap:TierOneRiskBasedCapital us-gaap:ConsolidatedEntities

us-gaap:TierOneRiskBasedCapital

srt:ParentCompany


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312017-12-31
Value540536533525516508499459
Percentage of TierOneRiskBasedCapital100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets9.510.210.210.19.99.910.19.4
Percentage of Assets srt:ParentCompany0.00.097.60.00.00.0100.398.6

srt:Subsidiaries


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312017-12-31
Value527522516509501492484444
Percentage of TierOneRiskBasedCapital97.597.496.996.997.197.097.096.8
Percentage of Assets9.39.99.99.89.69.69.89.1
Percentage of Assets srt:Subsidiaries0.00.00.00.00.00.00.00.0

None

us-gaap:CashAndCashEquivalentsAtCarryingValue

us-gaap:CashAndCashEquivalentsAtCarryingValue


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302009-12-312008-12-31
Value952536456450560619503465586617612624707683707664758760718698678750671630621733583555628444544442522525532475520390444370541145249
Percentage of CashAndCashEquivalentsAtCarryingValue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets16.810.28.78.610.712.010.29.511.912.512.512.814.414.014.513.815.716.015.214.814.315.814.513.813.516.012.912.514.210.112.510.311.812.012.611.312.80.011.20.00.00.00.0

us-gaap:CashAndCashEquivalentsAtCarryingValue us-gaap:FairValueByFairValueHierarchyLevel

us-gaap:FairValueInputsLevel1


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-06-30
Value952536456450560619503465586617612624707683707664758760718698678750671630621733583555628444544522
Percentage of CashAndCashEquivalentsAtCarryingValue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets16.810.28.78.610.712.010.29.511.912.512.512.814.414.014.513.815.716.015.214.814.315.814.513.813.516.012.912.514.210.112.511.8
Percentage of Assets us-gaap:FairValueInputsLevel10.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:CashAndCashEquivalentsAtCarryingValue us-gaap:FairValueByMeasurementBasis

us-gaap:CarryingReportedAmountFairValueDisclosure


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302013-12-31
Value952536456450560619503465586617612624707683707664758760718698678750671630621583
Percentage of CashAndCashEquivalentsAtCarryingValue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets16.810.28.78.610.712.010.29.511.912.512.512.814.414.014.513.815.716.015.214.814.315.814.513.813.512.9
Percentage of Assets us-gaap:CarryingReportedAmountFairValueDisclosure0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

None

us-gaap:PropertyPlantAndEquipmentNet

us-gaap:PropertyPlantAndEquipmentNet


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302010-12-31
Value3434343434343435353535353535353636373737383838373635343438353637373737353636
Percentage of PropertyPlantAndEquipmentNet100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.60.70.70.70.70.70.70.70.70.70.70.70.70.70.70.80.80.80.80.80.80.80.80.80.80.80.80.80.90.80.80.90.90.80.90.90.90.9

None

us-gaap:OperatingLeaseRightOfUseAsset

us-gaap:OperatingLeaseRightOfUseAsset


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-31
Value4849514951510.0
Percentage of OperatingLeaseRightOfUseAsset100.0100.0100.0100.0100.0100.00.0
Percentage of Assets0.91.01.01.01.01.00.0

None

us-gaap:StockholdersEquity

us-gaap:StockholdersEquity


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312008-12-31
Value553548538526515501489477470462458454447438432435430423413412402400393389385371361354348360358357349344338337268258255261255250245236
Percentage of StockholdersEquity100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets9.710.410.310.19.99.79.99.89.59.49.39.39.19.08.99.18.98.98.78.78.58.48.58.58.48.18.07.97.88.28.38.37.97.98.08.16.60.06.50.00.00.00.00.0

us-gaap:StockholdersEquity us-gaap:StatementEquityComponents

trst:ChangeInOverfundedPosition


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-03-312017-12-312016-12-312015-12-312014-12-312013-12-31
Value4.844.844.840.4230.4230.4230.3273.0543.0540.042-0.758-1.1883.843
Percentage of StockholdersEquity0.90.90.90.10.10.10.10.70.70.0-0.2-0.31.1
Percentage of Assets0.10.10.10.00.00.00.00.10.10.0-0.0-0.00.1
Percentage of Assets trst:ChangeInOverfundedPosition0.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:AccumulatedDefinedBenefitPlansAdjustment


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312013-12-31
Value-0.965-0.824-0.665-0.577-0.49-0.414-0.3162.9323.1263.1880.170.4270.4560.4870.469-0.264-0.272-0.256-0.289-0.743-0.783-0.832-0.8160.432
Percentage of StockholdersEquity-0.2-0.2-0.1-0.1-0.1-0.1-0.10.60.70.70.00.10.10.10.1-0.1-0.1-0.1-0.1-0.2-0.2-0.2-0.20.1
Percentage of Assets-0.0-0.0-0.0-0.0-0.0-0.0-0.00.10.10.10.00.00.00.00.0-0.0-0.0-0.0-0.0-0.0-0.0-0.0-0.00.0
Percentage of Assets us-gaap:AccumulatedDefinedBenefitPlansAdjustment0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:AccumulatedNetUnrealizedInvestmentGainLoss


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312013-12-31
Value8.0617.3760.2860.083-1.707-7.02-8.974-14.586-11.576-10.332-5.03-3.487-4.049-6.055-6.7622.5922.6670.329-4.492-0.431-5.144-1.855-3.693-18.078
Percentage of StockholdersEquity1.51.30.10.0-0.3-1.4-1.8-3.1-2.5-2.2-1.1-0.8-0.9-1.4-1.60.60.60.1-1.1-0.1-1.3-0.5-0.9-5.0
Percentage of Assets0.10.10.00.0-0.0-0.1-0.2-0.3-0.2-0.2-0.1-0.1-0.1-0.1-0.10.10.10.0-0.1-0.0-0.1-0.0-0.1-0.4
Percentage of Assets us-gaap:AccumulatedNetUnrealizedInvestmentGainLoss0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:AccumulatedOtherComprehensiveIncome


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312008-12-31
Value11114.461-0.071-1.774-7.011-10.309-13.0-9.796-8.49-1.806-3.06-3.593-5.568-6.2512.3282.3950.073-4.781-1.174-5.927-2.687-4.509-3.508-2.611-9.452-13.803-15.923-16.831-0.1691.5584.8791.5850.053-2.4930.2582.846-4.176-4.1194.2152.2840.777-1.282-1.441
Percentage of StockholdersEquity2.22.10.8-0.0-0.3-1.4-2.1-2.7-2.1-1.8-0.4-0.7-0.8-1.3-1.40.50.60.0-1.2-0.3-1.5-0.7-1.1-0.9-0.7-2.5-3.8-4.5-4.8-0.00.41.40.50.0-0.70.11.1-1.6-1.61.60.90.3-0.5-0.6
Percentage of Assets0.20.20.1-0.0-0.0-0.1-0.2-0.3-0.2-0.2-0.0-0.1-0.1-0.1-0.10.00.00.0-0.1-0.0-0.1-0.1-0.1-0.1-0.1-0.2-0.3-0.4-0.4-0.00.00.10.00.0-0.10.00.10.0-0.10.00.00.00.00.0
Percentage of Assets us-gaap:AccumulatedOtherComprehensiveIncome0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:AdditionalPaidInCapital


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312008-12-31
Value176176176176176176176176176175175172172172171171171171171171171172172172172172173173173174174175175176176177126126126127127128128130
Percentage of StockholdersEquity31.932.232.833.534.235.236.137.037.438.038.338.038.639.339.639.339.840.441.541.742.743.043.844.344.946.547.948.949.948.348.749.050.251.152.252.546.949.049.748.850.251.252.455.1
Percentage of Assets3.13.43.43.43.43.43.63.63.63.63.63.53.53.53.53.63.53.63.63.63.63.63.73.83.83.83.83.93.94.04.04.14.04.04.24.23.10.03.20.00.00.00.00.0
Percentage of Assets us-gaap:AdditionalPaidInCapital0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:CommonStock


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312008-12-31
Value10010010010010010010010010010099999999999999989898989898989898989898989898989898988383838383838383
Percentage of StockholdersEquity18.118.318.619.019.420.020.421.021.321.621.821.922.222.722.922.823.023.423.924.024.624.725.125.425.726.627.327.928.427.427.627.728.328.729.229.230.932.232.631.832.633.233.935.2
Percentage of Assets1.81.91.91.91.91.92.02.12.02.02.02.02.02.02.02.12.12.12.12.12.12.12.12.22.22.22.22.22.22.22.32.32.22.32.32.42.00.02.10.00.00.00.00.0
Percentage of Assets us-gaap:CommonStock0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:RetainedEarnings


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312008-12-31
Value2992942882802722642562462382292192182122062011971921881841801751711661621571521471431381351321281251221191161131111081061031019993
Percentage of StockholdersEquity54.153.753.553.352.852.752.351.850.649.647.948.047.447.046.645.244.744.544.543.743.742.842.441.741.040.940.740.439.937.536.936.035.835.535.334.642.343.042.641.040.640.440.439.7
Percentage of Assets5.35.65.55.45.25.15.25.14.84.64.54.54.34.24.14.14.04.03.93.83.73.63.63.53.43.33.33.23.13.13.03.02.82.82.82.82.80.02.80.00.00.00.00.0
Percentage of Assets us-gaap:RetainedEarnings0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:TreasuryStock


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312008-12-31
Value-34.396-34.396-30.903-30.903-31.605-32.325-33.102-33.786-34.067-34.356-34.971-32.687-33.267-34.026-33.219-33.947-34.731-35.293-36.334-37.379-38.287-39.27-40.09-40.871-41.9-42.897-43.887-45.024-46.308-47.613-48.949-50.208-51.516-52.753-54.006-55.596-57.041-58.249-59.369-60.661-61.895-62.996-64.077-69.661
Percentage of StockholdersEquity-6.2-6.3-5.7-5.9-6.1-6.4-6.8-7.1-7.2-7.4-7.6-7.2-7.4-7.8-7.7-7.8-8.1-8.3-8.8-9.1-9.5-9.8-10.2-10.5-10.9-11.5-12.1-12.7-13.3-13.2-13.6-14.0-14.7-15.3-16.0-16.5-21.2-22.5-23.2-23.2-24.3-25.1-26.1-29.5
Percentage of Assets-0.6-0.7-0.6-0.6-0.6-0.6-0.7-0.7-0.7-0.7-0.7-0.7-0.7-0.7-0.7-0.7-0.7-0.7-0.8-0.8-0.8-0.8-0.9-0.9-0.9-0.9-1.0-1.0-1.0-1.1-1.1-1.2-1.2-1.2-1.3-1.3-1.40.0-1.50.00.00.00.00.0
Percentage of Assets us-gaap:TreasuryStock0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

None

us-gaap:CommonStockValue

us-gaap:CommonStockValue


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302011-12-31
Value1001001001001001001001001001009999999999999998989898989898989898989898989898
Percentage of CommonStockValue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets1.81.91.91.91.91.92.02.12.02.02.02.02.02.02.02.12.12.12.12.12.12.12.12.22.22.22.22.22.22.22.32.32.3

None

us-gaap:AdditionalPaidInCapitalCommonStock

us-gaap:AdditionalPaidInCapitalCommonStock


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302010-12-31
Value176176176176176176176176176175175172172172171171171171171171171172172172172172173173173174174175175176176177126126
Percentage of AdditionalPaidInCapitalCommonStock100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets3.13.43.43.43.43.43.63.63.63.63.63.53.53.53.53.63.53.63.63.63.63.63.73.83.83.83.83.93.94.04.04.14.04.04.24.23.13.2

None

us-gaap:RetainedEarningsAccumulatedDeficit

us-gaap:RetainedEarningsAccumulatedDeficit


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302010-12-31
Value299294288280272264256246238229219218212206201197192188184180175171166162157152147143138135132128125122119116113108
Percentage of RetainedEarningsAccumulatedDeficit100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets5.35.65.55.45.25.15.25.14.84.64.54.54.34.24.14.14.04.03.93.83.73.63.63.53.43.33.33.23.13.13.03.02.82.82.82.82.82.8

None

us-gaap:AccumulatedOtherComprehensiveIncomeLossNetOfTax

us-gaap:AccumulatedOtherComprehensiveIncomeLossNetOfTax


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302010-12-312009-12-31
Value11114.461-0.071-1.774-7.011-10.309-13.0-9.796-8.49-1.806-3.06-3.593-5.568-6.2512.3282.3950.073-4.781-1.174-5.927-2.687-4.509-3.508-2.611-9.452-13.803-15.923-16.831-0.1691.5584.8791.5850.053-2.4930.2582.846-4.119-1.282
Percentage of AccumulatedOtherComprehensiveIncomeLossNetOfTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.20.20.1-0.0-0.0-0.1-0.2-0.3-0.2-0.2-0.0-0.1-0.1-0.1-0.10.00.00.0-0.1-0.0-0.1-0.1-0.1-0.1-0.1-0.2-0.3-0.4-0.4-0.00.00.10.00.0-0.10.00.1-0.10.0

None

us-gaap:TreasuryStockValue

us-gaap:TreasuryStockValue


None
Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302010-12-31
Value34303031323333343434323334333334353637383940404142434546474850515254555759
Percentage of TreasuryStockValue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.70.60.60.60.60.70.70.70.70.70.70.70.70.70.70.70.70.80.80.80.80.90.90.90.91.01.01.01.11.11.21.21.21.31.31.41.5

None

us-gaap:AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue

us-gaap:AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue


None
Period End2020-06-302020-03-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-30
Value6000.04000.06000.06000.0-12000.021000.075000.049000.028000.036000.035000.037000.042000.056000.056000.056000.056000.060000.048000.048000.048000.065000.087000.086000.087000.0132000.075000.083000.088000.0137000.089000.089000.090000.0176000.037000.037000.037000.043000.044000.045000.0
Percentage of AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue us-gaap:StatementEquityComponents

us-gaap:AdditionalPaidInCapital


None
Period End2020-06-302020-03-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-30
Value6000.04000.06000.06000.0-12000.021000.075000.049000.028000.036000.035000.037000.042000.056000.056000.056000.056000.060000.048000.048000.048000.065000.087000.086000.087000.0132000.075000.083000.088000.0137000.089000.089000.090000.0176000.037000.037000.037000.043000.044000.045000.0
Percentage of AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0
Percentage of Assets us-gaap:AdditionalPaidInCapital0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

None

us-gaap:NetCashProvidedByUsedInOperatingActivities

us-gaap:NetCashProvidedByUsedInOperatingActivities


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-30
Value1314141917121815211114152011131311212.8321317237.77812171611-0.69929229.8281512
Percentage of NetCashProvidedByUsedInOperatingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of InterestAndDividendIncomeOperating31.031.10.040.036.526.60.034.646.927.50.035.749.627.60.034.029.955.17.40.046.963.520.80.046.441.829.40.072.756.024.80.031.3

None

us-gaap:NetCashProvidedByUsedInInvestingActivities

us-gaap:NetCashProvidedByUsedInInvestingActivities


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-30
Value-3.1444312-106.266-126.97-27.827-34.399-69.803-45.109-24.509-54.849-32.811-13.942-43.282-23.945-78.46914-121.76101-32.491-95.881125-166.2516818-52.859-140.413.305-180.06961-111.216-65.725-176.618
Percentage of NetCashProvidedByUsedInInvestingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of InterestAndDividendIncomeOperating-7.193.50.0-219.0-260.9-58.70.0-152.6-100.7-56.30.0-76.7-33.1-105.40.0-193.736.4-311.0263.60.0-253.1335.6-443.70.048.0-134.5-357.30.0-443.6151.6-280.70.0-440.6

None

us-gaap:NetCashProvidedByUsedInFinancingActivities

us-gaap:NetCashProvidedByUsedInFinancingActivities


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-30
Value40621-20.162-22.6295013053-67.198-6.4761629-65.429177.88352-29.261-17.132-11.41645464.931355920-116.58233121541054647124-7.188
Percentage of NetCashProvidedByUsedInFinancingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of InterestAndDividendIncomeOperating911.145.40.0-46.6103.1275.70.0-146.9-14.539.00.0-152.940.419.20.0-72.2-43.3-29.2119.40.013.093.9158.10.0-300.885.5309.00.0259.9114.2120.50.0-17.9

None

us-gaap:NetCashProvidedByUsedInOperatingActivities

us-gaap:NetCashProvidedByUsedInOperatingActivities


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-30
Value1314141917121815211114152011131311212.8321317237.77812171611-0.69929229.8281512
Percentage of NetCashProvidedByUsedInOperatingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of InterestAndDividendIncomeOperating31.031.10.040.036.526.60.034.646.927.50.035.749.627.60.034.029.955.17.40.046.963.520.80.046.441.829.40.072.756.024.80.031.3

None

us-gaap:NetIncomeLoss

us-gaap:NetIncomeLoss


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-30
Value111313141414161515147.36212121010101010101010101010111110109.7639.1689.8069.7539.0668.9098.7149.2257.7667.3826.9048.3587.124
Percentage of NetIncomeLoss100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of InterestAndDividendIncomeOperating25.328.60.030.330.130.70.033.234.434.00.029.429.126.70.027.026.026.00.026.427.027.20.027.130.228.60.027.126.224.50.025.223.122.70.022.719.218.60.020.917.3

us-gaap:NetIncomeLoss us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncome

us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncome


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-30
Value0.1410.1590.0880.0870.0760.0980.1940.1940.062-0.0360.2150.0290.031-0.0240.025-0.0080.4170.033-0.022-0.04-0.0490.1650.2160.1270.0710.0760.082-0.030.838
Percentage of NetIncomeLoss1.31.20.60.60.50.71.21.30.4-0.22.90.20.3-0.20.2-0.14.00.3-0.2-0.4-0.51.52.01.20.60.70.8-0.38.6
Percentage of InterestAndDividendIncomeOperating0.30.30.00.20.20.20.00.40.1-0.10.00.10.1-0.10.0-0.01.00.10.0-0.1-0.10.40.00.30.20.20.0-0.12.2
Percentage of InterestAndDividendIncomeOperating us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncome0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:NetIncomeLoss us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncome, us-gaap:StatementEquityComponents

us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncome, us-gaap:AccumulatedDefinedBenefitPlansAdjustment


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-30
Value0.1410.1590.0880.0870.0760.0980.1940.1940.062-0.0360.2150.0290.031-0.0240.025-0.0080.0160.033-0.024-0.04-0.0490.0160.015-0.0980.0710.072-0.031-0.03-0.021
Percentage of NetIncomeLoss1.31.20.60.60.50.71.21.30.4-0.22.90.20.3-0.20.2-0.10.20.3-0.2-0.4-0.50.10.1-0.90.60.7-0.3-0.3-0.2
Percentage of InterestAndDividendIncomeOperating0.30.30.00.20.20.20.00.40.1-0.10.00.10.1-0.10.0-0.00.00.10.0-0.1-0.10.00.0-0.20.20.20.0-0.1-0.1
Percentage of InterestAndDividendIncomeOperating us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncome us-gaap:AccumulatedDefinedBenefitPlansAdjustment0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncome, us-gaap:AccumulatedNetUnrealizedInvestmentGainLoss


None
Period End2020-06-302020-03-312019-06-302019-03-312017-12-312017-09-302017-06-302016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-30
Value0.00.8550.00.00.00.00.00.00.00.4010.00.0020.00.00.1490.2010.2250.00.0040.1130.00.859
Percentage of NetIncomeLoss0.06.40.00.00.00.00.00.00.03.80.00.00.00.01.41.92.10.00.01.10.08.8
Percentage of InterestAndDividendIncomeOperating0.01.80.00.00.00.00.00.00.01.00.00.00.00.00.40.00.60.00.00.00.02.3
Percentage of InterestAndDividendIncomeOperating us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncome us-gaap:AccumulatedNetUnrealizedInvestmentGainLoss0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:NetIncomeLoss us-gaap:StatementEquityComponents

us-gaap:RetainedEarnings


None
Period End2020-06-302020-03-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-30
Value1113141414161515147.36212121010101010101010101010111110109.7639.1689.8069.7539.0668.9098.7149.2257.7667.3826.9048.3587.124
Percentage of NetIncomeLoss100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of InterestAndDividendIncomeOperating25.328.630.330.130.70.033.234.434.00.029.429.126.70.027.026.026.00.026.427.027.20.027.130.228.60.027.126.224.50.025.223.122.70.022.719.218.60.020.917.3
Percentage of InterestAndDividendIncomeOperating us-gaap:RetainedEarnings0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

None

us-gaap:DeferredIncomeTaxExpenseBenefit

us-gaap:DeferredIncomeTaxExpenseBenefit


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-30
Value-1188000.0846000.0295000.0184000.0162000.0498000.01885000.0601000.0375000.0-305000.0-1305000.0429000.0325000.0368000.0-638000.02688000.01390000.0-179000.0179000.02665000.0-724000.0891000.01418000.038000.0-155000.01663000.0-1066000.0-333000.0-585000.0558000.01458000.0142000.0-597000.0437000.0-394000.0-548000.0-303000.0-1091000.0-217000.0131000.0
Percentage of DeferredIncomeTaxExpenseBenefit100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

None

us-gaap:ShareBasedCompensation

us-gaap:ShareBasedCompensation


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-30
Value6000.04000.05000.06000.06000.0-12000.021000.075000.049000.028000.036000.035000.037000.042000.056000.056000.056000.056000.060000.048000.048000.048000.065000.087000.086000.087000.0132000.075000.083000.088000.0137000.089000.089000.090000.0176000.037000.037000.037000.043000.044000.0
Percentage of ShareBasedCompensation100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

None

us-gaap:NetCashProvidedByUsedInInvestingActivities

us-gaap:NetCashProvidedByUsedInInvestingActivities


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-30
Value-3.1444312-106.266-126.97-27.827-34.399-69.803-45.109-24.509-54.849-32.811-13.942-43.282-23.945-78.46914-121.76101-32.491-95.881125-166.2516818-52.859-140.413.305-180.06961-111.216-65.725-176.618
Percentage of NetCashProvidedByUsedInInvestingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of InterestAndDividendIncomeOperating-7.193.50.0-219.0-260.9-58.70.0-152.6-100.7-56.30.0-76.7-33.1-105.40.0-193.736.4-311.0263.60.0-253.1335.6-443.70.048.0-134.5-357.30.0-443.6151.6-280.70.0-440.6

None

us-gaap:PaymentsToAcquirePropertyPlantAndEquipment

us-gaap:PaymentsToAcquirePropertyPlantAndEquipment


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-30
Value604000.0805000.01462000.01086000.0602000.0744000.0919000.0417000.01285000.01025000.01151000.0856000.0951000.0655000.0323000.0515000.0418000.0799000.01227000.0585000.0462000.01470000.02326000.02011000.02610000.01550000.01075000.0703000.03773000.0830000.0244000.0652000.02030000.01339000.02294000.01108000.0954000.0857000.0677000.01124000.0
Percentage of PaymentsToAcquirePropertyPlantAndEquipment100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

None

us-gaap:NetCashProvidedByUsedInFinancingActivities

us-gaap:NetCashProvidedByUsedInFinancingActivities


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-30
Value40621-20.162-22.6295013053-67.198-6.4761629-65.429177.88352-29.261-17.132-11.41645464.931355920-116.58233121541054647124-7.188
Percentage of NetCashProvidedByUsedInFinancingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of InterestAndDividendIncomeOperating911.145.40.0-46.6103.1275.70.0-146.9-14.539.00.0-152.940.419.20.0-72.2-43.3-29.2119.40.013.093.9158.10.0-300.885.5309.00.0259.9114.2120.50.0-17.9

None

us-gaap:PaymentsOfDividendsCommonStock

us-gaap:PaymentsOfDividendsCommonStock


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-30
Value6.5776.6046.6146.5936.5936.5856.5966.3336.3246.3166.326.3026.2916.2846.2886.2636.2616.2526.2566.2386.2326.2246.2336.2136.2066.1996.2046.1826.1746.1646.1696.1486.1396.1316.1265.0775.0685.0625.0674.805
Percentage of PaymentsOfDividendsCommonStock100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

None

us-gaap:PaymentsForRepurchaseOfCommonStock

us-gaap:PaymentsForRepurchaseOfCommonStock


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-31
Value03493000.000035000.00339000.0379000.002925000.0180000.001503000.00212000.0489000.0048000.00099000.0282000.0000
Percentage of PaymentsForRepurchaseOfCommonStock0.0100.00.00.00.0100.00.0100.0100.00.0100.0100.00.0100.00.0100.0100.00.0100.00.00.0100.0100.00.00.00.0

None

us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents

us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312016-12-31
Value952536456450560619503465586617612707
Percentage of CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

None

us-gaap:ProceedsFromRepaymentsOfShortTermDebt

us-gaap:ProceedsFromRepaymentsOfShortTermDebt


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-30
Value29-0.576-2.429-15.6516.968-2.115-14.484-6.328-21.205-39.08126-17.113121130-11.33821-21.6986.82113-23.9885.6229.159-1.559-13.895-8.751188.9015.30611-1.90511-8.284114.48214-8.903137.8410.105
Percentage of ProceedsFromRepaymentsOfShortTermDebt100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

trst:AdjustmentsToAdditionalPaidInCapitalShareBasedCompensationRequisiteServicesPeriodRecognitionValue

trst:AdjustmentsToAdditionalPaidInCapitalShareBasedCompensationRequisiteServicesPeriodRecognitionValue


None
Period End2020-03-312019-03-31
Value-4000.012000.0
Percentage of AdjustmentsToAdditionalPaidInCapitalShareBasedCompensationRequisiteServicesPeriodRecognitionValue100.0100.0

trst:AdjustmentsToAdditionalPaidInCapitalShareBasedCompensationRequisiteServicesPeriodRecognitionValue us-gaap:StatementEquityComponents

us-gaap:AdditionalPaidInCapital


None
Period End2020-03-312019-03-31
Value-4000.012000.0
Percentage of AdjustmentsToAdditionalPaidInCapitalShareBasedCompensationRequisiteServicesPeriodRecognitionValue100.0100.0

trst:DividendsIncomeFederalReserveBankAndFederalHomeLoanBankStock

trst:DividendsIncomeFederalReserveBankAndFederalHomeLoanBankStock


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-30
Value192000.082000.0203000.081000.0199000.085000.0207000.082000.0198000.077000.0151000.0125000.0134000.0134000.0133000.0131000.0118000.0120000.0120000.0113000.0118000.0116000.0123000.0127000.0128000.0133000.0129000.0121000.0121000.0119000.0127000.0120000.0149000.090000.079000.084000.0
Percentage of DividendsIncomeFederalReserveBankAndFederalHomeLoanBankStock100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

trst:FDICAndOtherInsuranceExpense

trst:FDICAndOtherInsuranceExpense


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-31
Value609000.0294000.0259000.0282000.0598000.0648000.0522000.0682000.0514000.01023000.01102000.01018000.01012000.01047000.0901000.01127000.01949000.01990000.0
Percentage of FDICAndOtherInsuranceExpense100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

trst:FeesForServicesToCustomers

trst:FeesForServicesToCustomers


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-30
Value1.8072.3152.3772.6022.6112.522.8972.6932.6772.6452.5972.7672.797
Percentage of FeesForServicesToCustomers100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

trst:FinancialServicesIncome

trst:FinancialServicesIncome


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-30
Value1368000.01600000.01454000.01517000.01683000.01733000.01356000.01516000.01596000.01815000.01457000.01844000.01425000.0
Percentage of FinancialServicesIncome100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

trst:FinancingReceivableAllowanceOfCreditLossesNetLoansChargedOff

trst:FinancingReceivableAllowanceOfCreditLossesNetLoansChargedOff


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-30
Value0.0110.1620.2120.036-0.0350.3950.470.0670.1760.090.2120.630.4360.4420.660.8641.1341.1641.6871.2221.1731.1831.1851.5231.62.1791.5081.3672.0692.2692.4373.5543.5173.2823.2652.8792.969
Percentage of FinancingReceivableAllowanceOfCreditLossesNetLoansChargedOff100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

trst:FinancingReceivableAllowanceOfCreditLossesNetLoansChargedOff us-gaap:FinancingReceivablePortfolioSegment

us-gaap:CommercialPortfolioSegment


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-30
Value-0.0060.001-0.001-0.028-0.0010.0040.099-0.002-0.001-0.006-0.0880.00.00.064-0.0560.3530.0670.2240.670.00.0490.033-0.4920.1230.011
Percentage of FinancingReceivableAllowanceOfCreditLossesNetLoansChargedOff-54.50.6-0.5-77.82.91.021.1-3.0-0.6-6.7-41.50.00.014.5-8.540.95.919.239.70.04.22.8-41.58.10.7

us-gaap:ConsumerLoan


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-30
Value0.0440.0230.0680.0250.0450.0540.0510.0720.0270.0680.0490.0610.050.0330.0740.040.0780.0860.0480.030.0240.0370.0490.0530.034
Percentage of FinancingReceivableAllowanceOfCreditLossesNetLoansChargedOff400.014.232.169.4-128.613.710.9107.515.375.623.19.711.57.511.24.66.97.42.82.52.03.14.13.52.1

us-gaap:ResidentialMortgage


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-30
Value-0.0270.1380.1450.039-0.0790.3370.32-0.0030.150.0280.2510.5690.3860.3450.6420.4710.9890.8540.9691.1921.11.1131.6281.3471.555
Percentage of FinancingReceivableAllowanceOfCreditLossesNetLoansChargedOff-245.585.268.4108.3225.785.368.1-4.585.231.1118.490.388.578.197.354.587.273.457.497.593.894.1137.488.497.2

trst:GrossChargeOffsResidentialImpairedLoans

trst:GrossChargeOffsResidentialImpairedLoans


None
Period End2020-06-302020-03-312019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-31
Value077000.0019000.0-3000.00036000.0110000.015000.010000.059000.0222000.0014000.0666000.0517000.088000.07000.0184000.0149000.071000.078000.039000.0203000.0258000.0109000.0165000.0
Percentage of GrossChargeOffsResidentialImpairedLoans0.0100.00.0100.0100.00.00.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

trst:IncreaseDecreaseInDividendsPayable

trst:IncreaseDecreaseInDividendsPayable


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-30
Value-9000.0223000.0-232000.06000.05000.06000.05000.0243000.06000.07000.07000.05000.010000.07000.06000.08000.08000.07000.08000.06000.06000.04000.08000.07000.07000.07000.08000.08000.09000.09000.09000.08000.09000.08000.017000.01036000.09000.07000.09000.0248000.0
Percentage of IncreaseDecreaseInDividendsPayable100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

trst:IncreaseDecreaseInOperatingLeaseLiabilities

trst:IncreaseDecreaseInOperatingLeaseLiabilities


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value-1575000.0-1555000.0-1604000.0-1506000.0-1495000.0-1488000.00000
Percentage of IncreaseDecreaseInOperatingLeaseLiabilities100.0100.0100.0100.0100.0100.00.00.00.00.0

trst:InterestAndDividendIncomeOtherAvailableForSaleSecurities

trst:InterestAndDividendIncomeOtherAvailableForSaleSecurities


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-30
Value5000.06000.06000.06000.05000.05000.05000.04000.04000.05000.04000.04000.04000.04000.04000.04000.04000.04000.04000.04000.04000.04000.04000.04000.04000.04000.04000.05000.0
Percentage of InterestAndDividendIncomeOtherAvailableForSaleSecurities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

trst:InterestAndDividendIncomeSBAGuaranteedParticipationSecuritiesAvailableForSale

trst:InterestAndDividendIncomeSBAGuaranteedParticipationSecuritiesAvailableForSale


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-30
Value229000.0245000.0253000.0282000.0289000.0297000.0329000.0325000.0333000.0352000.0358000.0380000.0394000.0415000.0430000.0445000.0450000.0476000.0482000.0497000.0503000.0522000.0524000.0535000.0539000.0556000.0562000.0558000.0
Percentage of InterestAndDividendIncomeSBAGuaranteedParticipationSecuritiesAvailableForSale100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

trst:InterestAndDividendIncomeSecuritiesCorporateDebtOperatingAvailableForSaleSecurities

trst:InterestAndDividendIncomeSecuritiesCorporateDebtOperatingAvailableForSaleSecurities


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-30
Value488000.0238000.0295000.0321000.0272000.0208000.0202000.0202000.0150000.0133000.0148000.0153000.0154000.0151000.0149000.097000.0000001000.02000.02000.02000.059000.0138000.0223000.0
Percentage of InterestAndDividendIncomeSecuritiesCorporateDebtOperatingAvailableForSaleSecurities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.00.00.00.00.0100.0100.0100.0100.0100.0100.0100.0

trst:InterestAndDividendIncomeSecuritiesMortgageBackedAvailableForSale

trst:InterestAndDividendIncomeSecuritiesMortgageBackedAvailableForSale


None
Period End2020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302017-06-30
Value1527000.02113000.02178000.02152000.01555000.01601000.01670000.01965000.0
Percentage of InterestAndDividendIncomeSecuritiesMortgageBackedAvailableForSale100.0100.0100.0100.0100.0100.0100.0100.0

trst:InterestAndDividendIncomeSecuritiesResidentialMortgageBackedHeldToMaturity

trst:InterestAndDividendIncomeSecuritiesResidentialMortgageBackedHeldToMaturity


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-30
Value162000.0175000.0184000.0187000.0209000.0217000.0226000.0232000.0244000.0260000.0261000.0276000.0296000.0316000.0331000.0347000.0374000.0402000.0425000.0461000.0480000.0478000.0512000.0545000.0577000.0625000.0649000.0686000.0
Percentage of InterestAndDividendIncomeSecuritiesResidentialMortgageBackedHeldToMaturity100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

trst:InterestAndDividendIncomeSecuritiesStateAndMunicipalAvailableForSale

trst:InterestAndDividendIncomeSecuritiesStateAndMunicipalAvailableForSale


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-30
Value2000.01000.02000.02000.03000.01000.02000.07000.06000.07000.010000.06000.011000.012000.012000.013000.013000.014000.016000.023000.023000.025000.029000.038000.044000.068000.096000.0127000.0
Percentage of InterestAndDividendIncomeSecuritiesStateAndMunicipalAvailableForSale100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

trst:InterestAndDividendIncomeSecuritiesUSGovernmentSponsoredEnterprisesAvailableForSale

trst:InterestAndDividendIncomeSecuritiesUSGovernmentSponsoredEnterprisesAvailableForSale


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-30
Value106000.0421000.0609000.0996000.0821000.0783000.0788000.0787000.0787000.0750000.0614000.0465000.0607000.0595000.0422000.0408000.0404000.0255000.0256000.0584000.0366000.0212000.0233000.0297000.0381000.0506000.0586000.0571000.0
Percentage of InterestAndDividendIncomeSecuritiesUSGovernmentSponsoredEnterprisesAvailableForSale100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

trst:InterestIncomeOnFederalFundsSoldAndOtherShortTermInvestments

trst:InterestIncomeOnFederalFundsSoldAndOtherShortTermInvestments


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-30
Value0.1931.2671.6352.5523.2823.0092.3672.4252.4672.0171.7791.9271.7271.2460.8650.8660.8320.8440.4940.4080.4230.40.3630.3740.3760.3510.3240.3440.3270.2450.2650.2580.2990.320.2840.3180.2540.2460.2590.2580.228
Percentage of InterestIncomeOnFederalFundsSoldAndOtherShortTermInvestments100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

trst:OperatingLeaseRightOfUseAssetAmortization

trst:OperatingLeaseRightOfUseAssetAmortization


None
Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value1520000.01569000.01479000.01471000.01470000.00000
Percentage of OperatingLeaseRightOfUseAssetAmortization100.0100.0100.0100.0100.00.00.00.00.0

trst:OtherNonInterestIncome

trst:OtherNonInterestIncome


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value293000.01321000.01324000.01383000.0989000.0413000.0675000.0876000.0810000.0617000.0791000.0824000.0797000.0665000.0
Percentage of OtherNonInterestIncome100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

trst:OtherRealEstateIncomeExpenseNet

trst:OtherRealEstateIncomeExpenseNet


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value-32000.0194000.0-385000.033000.0210000.0-24000.037000.0528000.0294000.0372000.0
Percentage of OtherRealEstateIncomeExpenseNet100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

trst:OutsourcedServices

trst:OutsourcedServices


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-30
Value1875000.02075000.01925000.01875000.01875000.01925000.01875000.01875000.01825000.01925000.01760000.01650000.01500000.01500000.01775000.01465000.01425000.01551000.01585000.01425000.01425000.01425000.01225000.01375000.01425000.01325000.01075000.01350000.01350000.01350000.01175000.01350000.01347000.01250000.01050000.01350000.01350000.01350000.01210000.01409000.01418000.0
Percentage of OutsourcedServices100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

trst:ProceedsFromCallsPaydownsOfAvailableForSaleSecurities

trst:ProceedsFromCallsPaydownsOfAvailableForSaleSecurities


None
Period End2020-06-302020-03-312019-06-302019-03-31
Value85692816
Percentage of ProceedsFromCallsPaydownsOfAvailableForSaleSecurities100.0100.0100.0100.0

trst:ProceedsFromSalesAndCallsOfSecuritiesAvailableForSale

trst:ProceedsFromSalesAndCallsOfSecuritiesAvailableForSale


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-30
Value859890562816131524251535522040708548651072852528739141613121410829830432927225551238121360187
Percentage of ProceedsFromSalesAndCallsOfSecuritiesAvailableForSale100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

trst:ReductionInOvernightFederalFundsRate

trst:ReductionInOvernightFederalFundsRate


None
Period End2020-03-162020-03-03
Value0.010.005
Percentage of ReductionInOvernightFederalFundsRate100.0100.0

us-gaap:AccretionAmortizationOfDiscountsAndPremiumsInvestments

us-gaap:AccretionAmortizationOfDiscountsAndPremiumsInvestments


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-31
Value-1022000.0-858000.0-843000.0-815000.0-625000.0-688000.0-688000.0-734000.0-810000.0-915000.0-2082000.00-1130000.0-1114000.0-1284000.0-1249000.0-1301000.0-1152000.0-1352000.0-1222000.0-1392000.0-1520000.0
Percentage of AccretionAmortizationOfDiscountsAndPremiumsInvestments100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivities

us-gaap:AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivities


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-30
Value2.5831.1920.124.7093.098-1.9692.7740.6355.626-2.846.8472.6988.6310.3693.0572.8660.665.715.4225.9131.8384.5972.6311.1069.786-8.1793.0667.51513-1.392.8898.2257.3512.63-9.41320142.4468.2924.171
Percentage of AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:AdvertisingExpense

us-gaap:AdvertisingExpense


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-30
Value601000.0488000.0464000.0494000.0778000.0785000.0876000.0844000.0670000.0630000.0559000.0699000.0607000.0713000.0727000.0489000.0570000.0729000.0592000.0668000.0733000.0600000.0602000.0629000.0657000.0599000.0835000.0548000.0714000.0730000.01037000.0935000.01060000.0809000.0607000.0763000.0708000.0706000.0811000.0583000.0796000.0
Percentage of AdvertisingExpense100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseExcludingExchangeRateEffect

us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseExcludingExchangeRateEffect


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value416796.169-109.478-59.03211538-121.167-30.5544.43
Percentage of CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseExcludingExchangeRateEffect100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:CommonStockDividendsPerShareDeclared

us-gaap:CommonStockDividendsPerShareDeclared


None
Period End2020-06-302020-03-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-30
Value0.0681250.0681250.0681250.0681250.0681250.06810.0681250.06560.06560.06560.06570.06560.06560.06560.06570.0655750.0656250.06560.0657-0.525050.656250.06560.06570.0655750.0656250.06560.06570.0655750.0656250.06560.06570.06560.06560.06560.06560.06560.06560.06530.06560.0625
Percentage of CommonStockDividendsPerShareDeclared100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DebtSecuritiesAvailableForSaleRealizedGain

us-gaap:DebtSecuritiesAvailableForSaleRealizedGain


None
Period End2020-06-302020-03-312019-06-302019-03-31
Value01155000.000
Percentage of DebtSecuritiesAvailableForSaleRealizedGain0.0100.00.00.0

us-gaap:DebtSecuritiesAvailableForSaleRealizedGain us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncome, us-gaap:StatementEquityComponents

us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncome, us-gaap:AccumulatedNetUnrealizedInvestmentGainLoss


None
Period End2020-06-302020-03-312019-06-302019-03-31
Value01155000.000
Percentage of DebtSecuritiesAvailableForSaleRealizedGain0.0100.00.00.0

us-gaap:DefinedBenefitPlanAmortizationOfGainsLosses us-gaap:RetirementPlanType

us-gaap:DefinedBenefitPlanAmortizationOfGainsLosses

us-gaap:OtherPostretirementBenefitPlansDefinedBenefit


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-30
Value148000.0166000.0186000.049000.050000.048000.0189000.0189000.089000.089000.098000.089000.083000.086000.0111000.054000.0
Percentage of DefinedBenefitPlanAmortizationOfGainsLosses100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:PensionPlansDefinedBenefit


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-30
Value-5000.00-15000.0-14000.0-30000.000017000.0-17000.0-17000.0-17000.0-10000.0-23000.0-46000.0-46000.0
Percentage of DefinedBenefitPlanAmortizationOfGainsLosses-3.40.0-8.1-28.6-60.00.00.00.019.1-19.1-17.3-19.1-12.0-26.7-41.4-85.2

us-gaap:DefinedBenefitPlanAmortizationOfPriorServiceCostCredit us-gaap:RetirementPlanType

us-gaap:DefinedBenefitPlanAmortizationOfPriorServiceCostCredit

us-gaap:OtherPostretirementBenefitPlansDefinedBenefit


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-30
Value-49000.0-49000.053000.0-83000.0-82000.0-85000.0-72000.0-73000.022000.023000.022000.023000.022000.023000.023000.022000.0
Percentage of DefinedBenefitPlanAmortizationOfPriorServiceCostCredit100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DefinedBenefitPlanExpectedReturnOnPlanAssets us-gaap:RetirementPlanType

us-gaap:DefinedBenefitPlanExpectedReturnOnPlanAssets

us-gaap:OtherPostretirementBenefitPlansDefinedBenefit


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-30
Value296000.0296000.0247000.0248000.0247000.0248000.0324000.0323000.0191000.0190000.0190000.0190000.0190000.0191000.0180000.0180000.0
Percentage of DefinedBenefitPlanExpectedReturnOnPlanAssets100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:PensionPlansDefinedBenefit


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-30
Value691000.0819000.0703000.0702000.0654000.0752000.0753000.0753000.0819000.0687000.0684000.0686000.0686000.0686000.0654000.0669000.0
Percentage of DefinedBenefitPlanExpectedReturnOnPlanAssets233.4276.7284.6283.1264.8303.2232.4233.1428.8361.6360.0361.1361.1359.2363.3371.7

us-gaap:DefinedBenefitPlanInterestCost us-gaap:RetirementPlanType

us-gaap:DefinedBenefitPlanInterestCost

us-gaap:OtherPostretirementBenefitPlansDefinedBenefit


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-30
Value58000.054000.059000.060000.060000.060000.046000.047000.055000.054000.054000.054000.054000.056000.037000.061000.0
Percentage of DefinedBenefitPlanInterestCost100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:PensionPlansDefinedBenefit


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-30
Value272000.0266000.0311000.0311000.0307000.0315000.0299000.0299000.0273000.0326000.0326000.0326000.0322000.0329000.0342000.0343000.0
Percentage of DefinedBenefitPlanInterestCost469.0492.6527.1518.3511.7525.0650.0636.2496.4603.7603.7603.7596.3587.5924.3562.3

us-gaap:DefinedBenefitPlanNetPeriodicBenefitCost us-gaap:RetirementPlanType

us-gaap:DefinedBenefitPlanNetPeriodicBenefitCost

us-gaap:OtherPostretirementBenefitPlansDefinedBenefit


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-30
Value-414000.0-438000.0-305000.0-303000.0-305000.0-303000.0-538000.0-538000.0-177000.0-176000.0-186000.0-176000.0-174000.0-170000.0-211000.0-119000.0
Percentage of DefinedBenefitPlanNetPeriodicBenefitCost100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:PensionPlansDefinedBenefit


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-30
Value-407000.0-541000.0-366000.0-367000.0-304000.0-429000.0-445000.0-446000.0-557000.0-333000.0-332000.0-332000.0-343000.0-323000.0-251000.0-265000.0
Percentage of DefinedBenefitPlanNetPeriodicBenefitCost98.3123.5120.0121.199.7141.682.782.9314.7189.2178.5188.6197.1190.0119.0222.7

us-gaap:DefinedBenefitPlanServiceCost us-gaap:RetirementPlanType

us-gaap:DefinedBenefitPlanServiceCost

us-gaap:OtherPostretirementBenefitPlansDefinedBenefit


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-30
Value21000.019000.016000.017000.014000.018000.01000.0026000.026000.026000.026000.023000.028000.020000.032000.0
Percentage of DefinedBenefitPlanServiceCost100.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:PensionPlansDefinedBenefit


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-30
Value7000.012000.011000.010000.013000.08000.09000.08000.06000.011000.09000.011000.011000.011000.015000.015000.0
Percentage of DefinedBenefitPlanServiceCost33.363.268.858.892.944.4900.00.023.142.334.642.347.839.375.046.9

us-gaap:DepreciationAmortizationAndAccretionNet

us-gaap:DepreciationAmortizationAndAccretionNet


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-30
Value990000.0999000.0996000.0976000.0972000.01010000.01438000.0725000.01004000.0942000.0959000.0959000.0952000.0946000.0967000.01000000.01010000.01061000.01085000.01138000.01158000.01173000.01175000.01169000.01201000.01231000.01220000.01256000.01259000.01282000.01256000.01269000.01261000.01246000.01231000.01194000.01197000.01214000.01207000.01192000.0
Percentage of DepreciationAmortizationAndAccretionNet100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DividendsCommonStockCash

us-gaap:DividendsCommonStockCash


None
Period End2020-06-302020-03-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-30
Value6.5686.8276.5996.5986.5916.6016.5766.336.3236.3276.3076.3016.2916.2946.2716.2696.2596.2646.2446.2386.2286.2416.226.2136.2066.2126.196.1836.1736.1786.1566.1486.13938-6.113-5.0775.06934-5.053-4.804
Percentage of DividendsCommonStockCash100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DividendsCommonStockCash us-gaap:StatementEquityComponents

us-gaap:RetainedEarnings


None
Period End2020-06-302020-03-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-30
Value6.5686.8276.5996.5986.5916.6016.5766.336.3236.3276.3076.3016.2916.2946.2716.2696.2596.2646.2446.2386.2286.2416.226.2136.2066.2126.196.1836.1736.1786.1566.1486.13938-6.113-5.0775.06934-5.053-4.804
Percentage of DividendsCommonStockCash100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:EquipmentExpense

us-gaap:EquipmentExpense


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-30
Value1606000.01802000.01768000.01689000.01709000.01902000.01741000.01783000.01793000.01751000.01465000.01669000.01428000.01556000.01370000.01596000.01840000.01514000.01530000.01596000.01803000.01942000.01919000.01725000.01823000.01752000.01514000.01567000.01582000.01718000.01637000.01316000.01600000.01520000.01200000.01639000.01481000.01332000.01421000.01333000.01464000.0
Percentage of EquipmentExpense100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:FinancingReceivableAllowanceForCreditLossesRecovery

us-gaap:FinancingReceivableAllowanceForCreditLossesRecovery


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-30
Value60000.058000.061000.0156000.0289000.093000.073000.0105000.0107000.0115000.0196000.0217000.0191000.0187000.0481000.0103000.0134000.0170000.0202000.0170000.0145000.0133000.0566000.0133000.0221000.0137000.0194000.01123000.0166000.0142000.0223000.0178000.0138000.0150000.0109000.0154000.0227000.0
Percentage of FinancingReceivableAllowanceForCreditLossesRecovery100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:FinancingReceivableAllowanceForCreditLossesRecovery us-gaap:FinancingReceivablePortfolioSegment

us-gaap:CommercialPortfolioSegment


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-30
Value6000.02000.01000.041000.01000.03000.01000.02000.01000.06000.088000.0008000.0163000.03000.01000.040000.06000.03000.01000.017000.0492000.01000.02000.0
Percentage of FinancingReceivableAllowanceForCreditLossesRecovery10.03.41.626.30.33.21.41.90.95.244.90.00.04.333.92.90.723.53.01.80.712.886.90.80.9

us-gaap:ConsumerLoan


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-30
Value5000.03000.04000.07000.04000.06000.010000.06000.017000.06000.05000.08000.03000.010000.018000.020000.015000.011000.07000.024000.09000.06000.05000.014000.08000.0
Percentage of FinancingReceivableAllowanceForCreditLossesRecovery8.35.26.64.51.46.513.75.715.95.22.63.71.65.33.719.411.26.53.514.16.24.50.910.53.6

us-gaap:ResidentialMortgage


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-30
Value49000.053000.056000.0108000.0284000.084000.062000.097000.089000.0103000.0103000.0209000.0188000.0169000.0300000.080000.0118000.0119000.0189000.0143000.0135000.0110000.068000.0118000.0211000.0
Percentage of FinancingReceivableAllowanceForCreditLossesRecovery81.791.491.869.298.390.384.992.483.289.652.696.398.490.462.477.788.170.093.684.193.182.712.088.795.5

us-gaap:FinancingReceivableAllowanceForCreditLossesRecovery us-gaap:StatementGeographical

stpr:FL


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value02000.01000.0025000.010000.05000.01000.03000.00
Percentage of FinancingReceivableAllowanceForCreditLossesRecovery0.03.41.60.08.710.86.81.02.80.0

trst:NewYorkAndOtherStates


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value60000.056000.060000.0156000.0264000.083000.068000.0104000.0104000.0115000.0
Percentage of FinancingReceivableAllowanceForCreditLossesRecovery100.096.698.4100.091.389.293.299.097.2100.0

us-gaap:FinancingReceivableAllowanceForCreditLossesRecovery us-gaap:StatementGeographical, us-gaap:FinancingReceivablePortfolioSegment

stpr:FL, us-gaap:ConsumerLoan


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value0000002000.01000.03000.00
Percentage of FinancingReceivableAllowanceForCreditLossesRecovery0.00.00.00.00.00.02.71.02.80.0

stpr:FL, us-gaap:ResidentialMortgage


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value02000.01000.0025000.010000.03000.0000
Percentage of FinancingReceivableAllowanceForCreditLossesRecovery0.03.41.60.08.710.84.10.00.00.0

trst:NewYorkAndOtherStates, us-gaap:CommercialPortfolioSegment


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value6000.02000.01000.041000.01000.03000.01000.02000.01000.06000.0
Percentage of FinancingReceivableAllowanceForCreditLossesRecovery10.03.41.626.30.33.21.41.90.95.2

trst:NewYorkAndOtherStates, us-gaap:ConsumerLoan


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value5000.03000.04000.07000.04000.06000.08000.05000.014000.06000.0
Percentage of FinancingReceivableAllowanceForCreditLossesRecovery8.35.26.64.51.46.511.04.813.15.2

trst:NewYorkAndOtherStates, us-gaap:ResidentialMortgage


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value49000.051000.055000.0108000.0259000.074000.059000.097000.089000.0103000.0
Percentage of FinancingReceivableAllowanceForCreditLossesRecovery81.787.990.269.289.679.680.892.483.289.6

us-gaap:FinancingReceivableAllowanceForCreditLossesWriteOffs

us-gaap:FinancingReceivableAllowanceForCreditLossesWriteOffs


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-30
Value0.0710.220.2730.1920.2540.4880.5430.1720.2830.2050.4080.8470.6270.6291.1410.9671.2681.3341.8891.3921.3181.3161.7511.6561.8212.3161.7022.492.2352.4112.663.7323.6553.4323.3743.0333.196
Percentage of FinancingReceivableAllowanceForCreditLossesWriteOffs100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:FinancingReceivableAllowanceForCreditLossesWriteOffs us-gaap:FinancingReceivablePortfolioSegment

us-gaap:CommercialPortfolioSegment


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-30
Value0.00.0030.00.0130.00.0070.10.00.00.00.00.00.00.0720.1070.3560.0680.2640.6760.0030.050.050.00.1240.013
Percentage of FinancingReceivableAllowanceForCreditLossesWriteOffs0.01.40.06.80.01.418.40.00.00.00.00.00.011.49.436.85.419.835.80.23.83.80.07.50.7

us-gaap:ConsumerLoan


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-30
Value0.0490.0260.0720.0320.0490.060.0610.0780.0440.0740.0540.0690.0530.0430.0920.060.0930.0970.0550.0540.0330.0430.0540.0670.042
Percentage of FinancingReceivableAllowanceForCreditLossesWriteOffs69.011.826.416.719.312.311.245.315.536.113.28.18.56.88.16.27.37.32.93.92.53.33.14.02.3

us-gaap:ResidentialMortgage


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-30
Value0.0220.1910.2010.1470.2050.4210.3820.0940.2390.1310.3540.7780.5740.5140.9420.5511.1070.9731.1581.3351.2351.2231.6961.4651.766
Percentage of FinancingReceivableAllowanceForCreditLossesWriteOffs31.086.873.676.680.786.370.354.784.563.986.891.991.581.782.657.087.372.961.395.993.792.996.988.597.0

us-gaap:FinancingReceivableAllowanceForCreditLossesWriteOffs us-gaap:StatementGeographical

stpr:FL


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value0.00.0190.0010.0160.00.060.0180.0090.0030.003
Percentage of FinancingReceivableAllowanceForCreditLossesWriteOffs0.08.60.48.30.012.33.35.21.11.5

trst:NewYorkAndOtherStates


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value0.0710.2010.2720.1760.2540.4280.5250.1630.280.202
Percentage of FinancingReceivableAllowanceForCreditLossesWriteOffs100.091.499.691.7100.087.796.794.898.998.5

us-gaap:FinancingReceivableAllowanceForCreditLossesWriteOffs us-gaap:StatementGeographical, us-gaap:FinancingReceivablePortfolioSegment

stpr:FL, us-gaap:ConsumerLoan


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value0.00.0190.0010.0160.00.0310.0180.0090.0030.003
Percentage of FinancingReceivableAllowanceForCreditLossesWriteOffs0.08.60.48.30.06.43.35.21.11.5

stpr:FL, us-gaap:ResidentialMortgage


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value0.00.00.00.00.00.0290.00.00.00.0
Percentage of FinancingReceivableAllowanceForCreditLossesWriteOffs0.00.00.00.00.05.90.00.00.00.0

trst:NewYorkAndOtherStates, us-gaap:CommercialPortfolioSegment


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value0.00.0030.00.0130.00.0070.10.00.00.0
Percentage of FinancingReceivableAllowanceForCreditLossesWriteOffs0.01.40.06.80.01.418.40.00.00.0

trst:NewYorkAndOtherStates, us-gaap:ConsumerLoan


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value0.0490.0070.0710.0160.0490.0290.0430.0690.0410.071
Percentage of FinancingReceivableAllowanceForCreditLossesWriteOffs69.03.226.08.319.35.97.940.114.534.6

trst:NewYorkAndOtherStates, us-gaap:ResidentialMortgage


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value0.0220.1910.2010.1470.2050.3920.3820.0940.2390.131
Percentage of FinancingReceivableAllowanceForCreditLossesWriteOffs31.086.873.676.680.780.370.354.784.563.9

us-gaap:FinancingReceivableModificationsNumberOfContracts2 us-gaap:StatementGeographical

us-gaap:FinancingReceivableModificationsNumberOfContracts2

stpr:FL


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value3.01.01.05.0001.0000
Percentage of FinancingReceivableModificationsNumberOfContracts2100.0100.0100.0100.00.00.0100.00.00.00.0

trst:NewYorkAndOtherStates


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value3.02.06.04.09.04.016.08.02.07.0
Percentage of FinancingReceivableModificationsNumberOfContracts2100.0200.0600.080.00.00.01600.00.00.00.0

us-gaap:FinancingReceivableModificationsNumberOfContracts2 us-gaap:StatementGeographical, us-gaap:FinancingReceivablePortfolioSegment, us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable

stpr:FL, us-gaap:ResidentialMortgage, us-gaap:FirstMortgage


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value3.01.01.05.0001.0000
Percentage of FinancingReceivableModificationsNumberOfContracts2100.0100.0100.0100.00.00.0100.00.00.00.0

trst:NewYorkAndOtherStates, us-gaap:CommercialPortfolioSegment, us-gaap:CommercialRealEstate


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value00001.006.0000
Percentage of FinancingReceivableModificationsNumberOfContracts20.00.00.00.00.00.0600.00.00.00.0

trst:NewYorkAndOtherStates, us-gaap:ResidentialMortgage, us-gaap:FirstMortgage


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value2.01.06.04.05.04.08.06.02.04.0
Percentage of FinancingReceivableModificationsNumberOfContracts266.7100.0600.080.00.00.0800.00.00.00.0

trst:NewYorkAndOtherStates, us-gaap:ResidentialMortgage, us-gaap:HomeEquity


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value1.01.0003.002.01.003.0
Percentage of FinancingReceivableModificationsNumberOfContracts233.3100.00.00.00.00.0200.00.00.00.0

trst:NewYorkAndOtherStates, us-gaap:ResidentialMortgage, us-gaap:HomeEquityLoan


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value00000001.000
Percentage of FinancingReceivableModificationsNumberOfContracts20.00.00.00.00.00.00.00.00.00.0

us-gaap:FinancingReceivableModificationsPostModificationRecordedInvestment2 us-gaap:StatementGeographical

us-gaap:FinancingReceivableModificationsPostModificationRecordedInvestment2

stpr:FL


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value0.4460.1470.1230.5090.00.00.0350.00.00.0
Percentage of FinancingReceivableModificationsPostModificationRecordedInvestment2100.0100.0100.0100.00.00.0100.00.00.00.0

trst:NewYorkAndOtherStates


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value0.3440.2370.8510.5371.1240.6561.8190.8040.1250.882
Percentage of FinancingReceivableModificationsPostModificationRecordedInvestment277.1161.2691.9105.50.00.05197.10.00.00.0

us-gaap:FinancingReceivableModificationsPostModificationRecordedInvestment2 us-gaap:StatementGeographical, us-gaap:FinancingReceivablePortfolioSegment, us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable

stpr:FL, us-gaap:ResidentialMortgage, us-gaap:FirstMortgage


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value0.4460.1470.1230.5090.00.00.0350.00.00.0
Percentage of FinancingReceivableModificationsPostModificationRecordedInvestment2100.0100.0100.0100.00.00.0100.00.00.00.0

trst:NewYorkAndOtherStates, us-gaap:CommercialPortfolioSegment, us-gaap:CommercialRealEstate


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value0.00.0-0.0020.00.1280.00.7470.00.00.0
Percentage of FinancingReceivableModificationsPostModificationRecordedInvestment20.00.0-1.60.00.00.02134.30.00.00.0

trst:NewYorkAndOtherStates, us-gaap:ResidentialMortgage, us-gaap:FirstMortgage


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value0.2940.1670.8530.5370.7180.6560.9630.7910.1250.642
Percentage of FinancingReceivableModificationsPostModificationRecordedInvestment265.9113.6693.5105.50.00.02751.40.00.00.0

trst:NewYorkAndOtherStates, us-gaap:ResidentialMortgage, us-gaap:HomeEquity


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value0.050.070.00.00.2780.00.1090.0070.00.24
Percentage of FinancingReceivableModificationsPostModificationRecordedInvestment211.247.60.00.00.00.0311.40.00.00.0

trst:NewYorkAndOtherStates, us-gaap:ResidentialMortgage, us-gaap:HomeEquityLoan


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value0.00.00.00.00.00.00.00.0060.00.0
Percentage of FinancingReceivableModificationsPostModificationRecordedInvestment20.00.00.00.00.00.00.00.00.00.0

us-gaap:FinancingReceivableModificationsPreModificationRecordedInvestment2 us-gaap:StatementGeographical

us-gaap:FinancingReceivableModificationsPreModificationRecordedInvestment2

stpr:FL


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value0.4460.1470.1230.5090.00.00.0350.00.00.0
Percentage of FinancingReceivableModificationsPreModificationRecordedInvestment2100.0100.0100.0100.00.00.0100.00.00.00.0

trst:NewYorkAndOtherStates


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value0.3440.2370.8510.5371.1240.6561.8190.8040.1250.882
Percentage of FinancingReceivableModificationsPreModificationRecordedInvestment277.1161.2691.9105.50.00.05197.10.00.00.0

us-gaap:FinancingReceivableModificationsPreModificationRecordedInvestment2 us-gaap:StatementGeographical, us-gaap:FinancingReceivablePortfolioSegment, us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable

stpr:FL, us-gaap:ResidentialMortgage, us-gaap:FirstMortgage


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value0.4460.1470.1230.5090.00.00.0350.00.00.0
Percentage of FinancingReceivableModificationsPreModificationRecordedInvestment2100.0100.0100.0100.00.00.0100.00.00.00.0

trst:NewYorkAndOtherStates, us-gaap:CommercialPortfolioSegment, us-gaap:CommercialRealEstate


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value0.00.0-0.0020.00.1280.00.7470.00.00.0
Percentage of FinancingReceivableModificationsPreModificationRecordedInvestment20.00.0-1.60.00.00.02134.30.00.00.0

trst:NewYorkAndOtherStates, us-gaap:ResidentialMortgage, us-gaap:FirstMortgage


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value0.2940.1670.8530.5370.7180.6560.9630.7910.1250.642
Percentage of FinancingReceivableModificationsPreModificationRecordedInvestment265.9113.6693.5105.50.00.02751.40.00.00.0

trst:NewYorkAndOtherStates, us-gaap:ResidentialMortgage, us-gaap:HomeEquity


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value0.050.070.00.00.2780.00.1090.0070.00.24
Percentage of FinancingReceivableModificationsPreModificationRecordedInvestment211.247.60.00.00.00.0311.40.00.00.0

trst:NewYorkAndOtherStates, us-gaap:ResidentialMortgage, us-gaap:HomeEquityLoan


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value0.00.00.00.00.00.00.00.0060.00.0
Percentage of FinancingReceivableModificationsPreModificationRecordedInvestment20.00.00.00.00.00.00.00.00.00.0

us-gaap:GainsLossesOnSalesOfOtherRealEstate

us-gaap:GainsLossesOnSalesOfOtherRealEstate


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302011-09-302010-09-30
Value76000.082000.0630000.0221000.0159000.0306000.0364000.029000.083000.0137000.027000.0390000.0316000.0191000.017000.0-82000.0363000.0019000.052000.0-72000.0-258000.0
Percentage of GainsLossesOnSalesOfOtherRealEstate100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.0100.0

us-gaap:ImpairedFinancingReceivableAverageRecordedInvestment

us-gaap:ImpairedFinancingReceivableAverageRecordedInvestment


None
Period End2020-03-312019-03-312018-03-312017-03-312016-03-312015-06-302015-03-312014-06-302014-03-312013-09-302013-06-302013-03-31
Value202124242726262828222526
Percentage of ImpairedFinancingReceivableAverageRecordedInvestment100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ImpairedFinancingReceivableAverageRecordedInvestment us-gaap:FinancingReceivablePortfolioSegment, us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable

us-gaap:CommercialPortfolioSegment, trst:CommercialOtherReceivable


None
Period End2020-03-312019-03-312018-03-312017-03-312016-03-312015-06-30
Value0.0910.1320.1070.10.00.0
Percentage of ImpairedFinancingReceivableAverageRecordedInvestment0.40.60.40.40.00.0

us-gaap:CommercialPortfolioSegment, us-gaap:CommercialRealEstate


None
Period End2020-03-312019-03-312018-03-312017-03-312016-03-312015-06-30
Value1.3521.3652.2642.2824.8283.527
Percentage of ImpairedFinancingReceivableAverageRecordedInvestment6.56.29.29.417.413.3

us-gaap:ResidentialMortgage, us-gaap:FirstMortgage


None
Period End2020-03-312019-03-312018-03-312017-03-312016-03-312015-06-30
Value161718181919
Percentage of ImpairedFinancingReceivableAverageRecordedInvestment79.578.776.077.970.274.1

us-gaap:ResidentialMortgage, us-gaap:HomeEquity


None
Period End2020-03-312019-03-312018-03-312017-03-312016-03-312015-06-30
Value2.5332.8383.2132.6183.0542.954
Percentage of ImpairedFinancingReceivableAverageRecordedInvestment12.213.013.010.811.011.1

us-gaap:ResidentialMortgage, us-gaap:HomeEquityLoan


None
Period End2020-03-312019-03-312018-03-312017-03-312016-03-312015-06-30
Value0.2670.3370.3550.3630.3720.417
Percentage of ImpairedFinancingReceivableAverageRecordedInvestment1.31.51.41.51.31.6

us-gaap:ImpairedFinancingReceivableAverageRecordedInvestment us-gaap:StatementGeographical

stpr:FL


None
Period End2020-03-312019-03-31
Value2.7882.713
Percentage of ImpairedFinancingReceivableAverageRecordedInvestment13.412.4

trst:NewYorkAndOtherStates


None
Period End2020-03-312019-03-31
Value1719
Percentage of ImpairedFinancingReceivableAverageRecordedInvestment86.687.6

us-gaap:ImpairedFinancingReceivableAverageRecordedInvestment us-gaap:StatementGeographical, us-gaap:FinancingReceivablePortfolioSegment, us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable

stpr:FL, us-gaap:CommercialPortfolioSegment, us-gaap:CommercialRealEstate


None
Period End2020-03-312019-03-31
Value0.1060.084
Percentage of ImpairedFinancingReceivableAverageRecordedInvestment0.50.4

stpr:FL, us-gaap:ResidentialMortgage, us-gaap:FirstMortgage


None
Period End2020-03-312019-03-31
Value2.4052.291
Percentage of ImpairedFinancingReceivableAverageRecordedInvestment11.610.5

stpr:FL, us-gaap:ResidentialMortgage, us-gaap:HomeEquity


None
Period End2020-03-312019-03-31
Value0.2470.253
Percentage of ImpairedFinancingReceivableAverageRecordedInvestment1.21.2

stpr:FL, us-gaap:ResidentialMortgage, us-gaap:HomeEquityLoan


None
Period End2020-03-312019-03-31
Value0.030.085
Percentage of ImpairedFinancingReceivableAverageRecordedInvestment0.10.4

trst:NewYorkAndOtherStates, us-gaap:CommercialPortfolioSegment, trst:CommercialOtherReceivable


None
Period End2020-03-312019-03-31
Value0.0910.132
Percentage of ImpairedFinancingReceivableAverageRecordedInvestment0.40.6

trst:NewYorkAndOtherStates, us-gaap:CommercialPortfolioSegment, us-gaap:CommercialRealEstate


None
Period End2020-03-312019-03-31
Value1.2451.281
Percentage of ImpairedFinancingReceivableAverageRecordedInvestment6.05.8

trst:NewYorkAndOtherStates, us-gaap:ResidentialMortgage, us-gaap:FirstMortgage


None
Period End2020-03-312019-03-31
Value1414
Percentage of ImpairedFinancingReceivableAverageRecordedInvestment68.068.2

trst:NewYorkAndOtherStates, us-gaap:ResidentialMortgage, us-gaap:HomeEquity


None
Period End2020-03-312019-03-31
Value2.2862.585
Percentage of ImpairedFinancingReceivableAverageRecordedInvestment11.011.8

trst:NewYorkAndOtherStates, us-gaap:ResidentialMortgage, us-gaap:HomeEquityLoan


None
Period End2020-03-312019-03-31
Value0.2370.252
Percentage of ImpairedFinancingReceivableAverageRecordedInvestment1.11.2

us-gaap:ImpairmentOfRealEstate

us-gaap:ImpairmentOfRealEstate


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-30
Value23000.080000.072000.018000.0136000.0140000.095000.0444000.031000.0199000.0248000.0461000.0174000.0188000.0331000.0305000.0260000.0346000.0362000.0431000.0
Percentage of ImpairmentOfRealEstate100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:IncomeTaxesPaid

us-gaap:IncomeTaxesPaid


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-30
Value6.2610.6264.5433.9313.674.6622.5817.2540.06.5247.6198.73.6586.156.556.4599.1251.366.1463.89.0222.0375.1258.461.022129.132.04.6268.0655.9252.6665.2777.184102.083-0.2366.9585.3114.26
Percentage of IncomeTaxesPaid100.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:IncreaseDecreaseInAccruedInterestReceivableNet

us-gaap:IncreaseDecreaseInAccruedInterestReceivableNet


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-30
Value1406000.0-673000.0-823000.0-599000.0983000.013000.0-211000.0223000.0750000.0-862000.0628000.0-470000.0541000.0-328000.0198000.0168000.0706000.0-264000.0-85000.0-460000.0431000.0-424000.09000.0-559000.0407000.0-255000.0-502000.0-384000.0-391000.0723000.0-951000.0-205000.01062000.0-2106000.01097000.0-11000.0-752000.0440000.0-583000.01934000.0
Percentage of IncreaseDecreaseInAccruedInterestReceivableNet100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:IncreaseDecreaseInAccruedLiabilitiesAndOtherOperatingLiabilities

us-gaap:IncreaseDecreaseInAccruedLiabilitiesAndOtherOperatingLiabilities


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-30
Value3170000.0-4307000.0-1176000.02535000.01672000.0-3141000.0718000.0-163000.01255000.0-3039000.0-165000.02047000.02512000.0-1602000.0716000.0334000.01281000.0-1912000.0-2250000.01641000.02462000.0-1390000.01801000.0331000.03078000.0-4087000.02943000.024000.03233000.0-1623000.01432000.0395000.02790000.0-2155000.042000.0554000.0
Percentage of IncreaseDecreaseInAccruedLiabilitiesAndOtherOperatingLiabilities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:IncreaseDecreaseInDeposits

us-gaap:IncreaseDecreaseInDeposits


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-30
Value38331-11.151-1.14913874-55.34620617.964-43.0529.9452.30627-12.38938423.585-40.648208447-10.1467.96960321.492355327-122.1974711555275938120-3.19
Percentage of IncreaseDecreaseInDeposits100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:IncreaseDecreaseInIncomeTaxesReceivable

us-gaap:IncreaseDecreaseInIncomeTaxesReceivable


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-30
Value2.725-3.682-0.146-0.865-1.0560.018-0.9620.59-3.0981.787-3.3761.339-4.4980.4113.241-0.3242.707-4.7030.089-1.7842.564-4.379-1.3851.927-6.2154.952.785-4.076-1.1962.5250.14-3.413-0.0511.9344.145-3.076-4.5172.9751.3920.86
Percentage of IncreaseDecreaseInIncomeTaxesReceivable100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:IncreaseDecreaseInInterestPayableNet

us-gaap:IncreaseDecreaseInInterestPayableNet


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-30
Value-232000.0-200000.0-75000.0-18000.080000.0448000.0246000.083000.030000.0128000.067000.08000.0-48000.0-16000.030000.0-22000.0-31000.048000.0-7000.0-7000.0-55000.022000.048000.034000.0-5000.03000.030000.013000.0
Percentage of IncreaseDecreaseInInterestPayableNet100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:IncreaseDecreaseInOtherOperatingAssets

us-gaap:IncreaseDecreaseInOtherOperatingAssets


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-30
Value-1.0442.1711.3441.0220.1021.5453.6261.3210.4930.946-1.9040.5750.6420.997-3.1673.3140.8980.6320.7682.995-1.221.6254.3390.339-0.4312.992-0.755-0.02-6.8020.534.46-0.097-1.7430.162.91-1.05-4.255-2.219-0.194-0.901
Percentage of IncreaseDecreaseInOtherOperatingAssets100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:IncrementalCommonSharesAttributableToShareBasedPaymentArrangements

us-gaap:IncrementalCommonSharesAttributableToShareBasedPaymentArrangements


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-30
Value4000.022000.06000.070000.069000.078000.07000.0134000.0131000.0131000.017000.0103000.070000.0108000.014000.0119000.093000.047000.0-6000.085000.0134000.0127000.02000.0124000.0116000.0129000.027000.047000.07000.05000.007000.01000.01000.0000
Percentage of IncrementalCommonSharesAttributableToShareBasedPaymentArrangements100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.00.00.00.0

us-gaap:InterestAndDividendIncomeOperating

us-gaap:InterestAndDividendIncomeOperating


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-30
Value4446474848474645444343424241404040404040393939393938383737373738393940404039394041
Percentage of InterestAndDividendIncomeOperating100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:InterestAndDividendIncomeSecuritiesAvailableForSale

us-gaap:InterestAndDividendIncomeSecuritiesAvailableForSale


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-30
Value2.3573.0243.4993.7853.5422.8492.882.9262.953.0522.9072.8453.1353.1582.8892.8323.0782.9013.0283.3753.213.1943.5623.9544.3074.3094.4514.4114.3144.5244.2364.9155.144.7245.2055.7246.2235.7915.1885.5016.592
Percentage of InterestAndDividendIncomeSecuritiesAvailableForSale100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:InterestAndDividendIncomeSecuritiesHeldToMaturity

us-gaap:InterestAndDividendIncomeSecuritiesHeldToMaturity


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-30
Value0.1620.1750.1840.1870.2090.2170.2260.2320.2440.260.2610.3780.450.470.4840.5030.5280.5560.5790.6140.6340.6320.6660.6980.7310.7790.8020.840.931.1011.2081.3611.5851.8241.8381.9151.8351.9032.0392.0282.307
Percentage of InterestAndDividendIncomeSecuritiesHeldToMaturity100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:InterestExpenseMoneyMarketDeposits

us-gaap:InterestExpenseMoneyMarketDeposits


None
Period End2020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-09-302016-06-302016-03-312015-09-302015-06-302015-03-312014-09-302014-06-302014-03-312013-09-302013-06-302013-03-312012-09-302012-06-302012-03-312011-09-302011-06-302011-03-312010-09-302010-06-30
Value862000.01096000.01177000.01119000.0826000.0544000.0452000.0439000.0469000.0468000.0466000.0463000.0467000.0496000.0537000.0547000.0617000.0648000.0618000.0599000.0590000.0630000.0685000.0673000.0770000.0923000.01158000.01184000.01227000.01350000.01342000.0
Percentage of InterestExpenseMoneyMarketDeposits100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:InterestExpenseNegotiableOrderOfWithdrawalNOWDeposits

us-gaap:InterestExpenseNegotiableOrderOfWithdrawalNOWDeposits


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-30
Value26000.016000.021000.052000.094000.0121000.0111000.0113000.0112000.0106000.0107000.0113000.0134000.0124000.0123000.0120000.0116000.0114000.0115000.0117000.0111000.0105000.098000.094000.089000.084000.083000.084000.082000.080000.080000.079000.078000.078000.076000.074000.070000.065000.087000.0167000.0172000.0
Percentage of InterestExpenseNegotiableOrderOfWithdrawalNOWDeposits100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:InterestExpenseSavingsDeposits

us-gaap:InterestExpenseSavingsDeposits


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-30
Value166000.0233000.0271000.0323000.0367000.0377000.0401000.0417000.0420000.0419000.0429000.0435000.0435000.0430000.0436000.0504000.0604000.0604000.0608000.0603000.0599000.0658000.0663000.0644000.0592000.0763000.0790000.0798000.0829000.0916000.0921000.0870000.0979000.01102000.01018000.0952000.0885000.0933000.0867000.0823000.0857000.0
Percentage of InterestExpenseSavingsDeposits100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:InterestExpenseShortTermBorrowings

us-gaap:InterestExpenseShortTermBorrowings


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-30
Value235000.0322000.0347000.0359000.0381000.0381000.0352000.0277000.0283000.0358000.0359000.0345000.0349000.0349000.0291000.0281000.0262000.0257000.0278000.0290000.0300000.0346000.0335000.0327000.0342000.0393000.0382000.0370000.0367000.0364000.0361000.0348000.0378000.0388000.0401000.0384000.0382000.0407000.0427000.0438000.0455000.0
Percentage of InterestExpenseShortTermBorrowings100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:InterestExpenseTimeDeposits

us-gaap:InterestExpenseTimeDeposits


None
Period End2020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-09-302016-06-302016-03-312015-09-302015-06-302015-03-312014-09-302014-06-302014-03-312013-09-302013-06-302013-03-312012-09-302012-06-302012-03-312011-09-302011-06-302011-03-312010-09-302010-06-30
Value5.5996.3917.9747.5125.9763.8643.4392.862.2472.1812.2832.4682.462.3732.5442.52.4342.2132.0351.9511.9371.8831.822.6293.233.4183.9044.0994.4435.7536.432
Percentage of InterestExpenseTimeDeposits100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:InterestIncomeExpenseAfterProvisionForLoanLoss

us-gaap:InterestIncomeExpenseAfterProvisionForLoanLoss


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-30
Value3536383839394040393938383736363535353435343434343333333231313031303029292927262524
Percentage of InterestIncomeExpenseAfterProvisionForLoanLoss100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:LaborAndRelatedExpense

us-gaap:LaborAndRelatedExpense


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-30
Value1111111111111010101010109.559109.5768.9958.9349.0038.0427.8348.1648.4819.0038.2728.0127.5928.6647.9357.6478.1788.4277.5877.5197.7437.6387.0877.07.0267.2086.5676.556
Percentage of LaborAndRelatedExpense100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:LaborAndRelatedExpense us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncome, us-gaap:StatementEquityComponents

us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncome, us-gaap:AccumulatedDefinedBenefitPlansAdjustmentNetPriorServiceCostCredit


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value0.0490.049-0.0530.0830.0820.0850.0720.073-0.0220.023-0.022-0.023-0.0220.023
Percentage of LaborAndRelatedExpense0.40.4-0.50.70.70.70.70.7-0.20.2-0.2-0.2-0.20.2

us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncome, us-gaap:AccumulatedDefinedBenefitPlansAdjustmentNetUnamortizedGainLoss


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value0.1430.1660.1710.0350.020.0480.1890.1890.106-0.0720.0810.0720.073-0.063
Percentage of LaborAndRelatedExpense1.21.51.50.30.20.41.91.81.0-0.70.80.70.8-0.6

us-gaap:LeaseCost

us-gaap:LeaseCost


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value2607000.02475000.02476000.02504000.02439000.02357000.02648000.02446000.02396000.02498000.0
Percentage of LeaseCost100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:NoninterestExpense

us-gaap:NoninterestExpense


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-30
Value2324232424242424242423232224232323232323222122221920202021212220202018182120201819
Percentage of NoninterestExpense100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:NoninterestIncome

us-gaap:NoninterestIncome


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-30
Value3.4265.3344.1154.9254.9144.6374.4524.4554.4954.6794.2884.8544.5044.7274.5124.7295.1994.5724.434.3654.4544.6234.7524.894.5055.7594.8484.4145.9164.5927.8274.5934.0264.5183.7363.8034.5714.2714.5974.8395.651
Percentage of NoninterestIncome100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:NoninterestIncomeOther

us-gaap:NoninterestIncomeOther


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-30
Value251000.0264000.0284000.0806000.0620000.0384000.0199000.0246000.0222000.0219000.0234000.0243000.0282000.0232000.0295000.0718000.0282000.0306000.0235000.0244000.0285000.0197000.0213000.0205000.0368000.01722000.0467000.0194000.0229000.0282000.0197000.0172000.0176000.0207000.0213000.0214000.0209000.0
Percentage of NoninterestIncomeOther100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OccupancyNet

us-gaap:OccupancyNet


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-30
Value4.3854.3064.3994.0944.0064.1674.83.9974.1014.3154.144.0274.2674.1094.1853.8873.9184.0883.8843.9293.8784.1083.8694.0134.114.2594.2263.9113.914.0533.8893.7563.8173.7953.6643.6143.6723.7373.7083.5023.511
Percentage of OccupancyNet100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OciBeforeReclassificationsNetOfTaxAttributableToParent

us-gaap:OciBeforeReclassificationsNetOfTaxAttributableToParent


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-30
Value0.6857.9454.621.795.2373.3962.885-3.01-1.244-5.3021.4690.5622.0060.707-8.553-0.0752.7394.821-3.6294.713-3.289
Percentage of OciBeforeReclassificationsNetOfTaxAttributableToParent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OciBeforeReclassificationsNetOfTaxAttributableToParent us-gaap:StatementEquityComponents

trst:ChangeInOverfundedPosition


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-03-31
Value0.00.04.4170.00.00.00.0
Percentage of OciBeforeReclassificationsNetOfTaxAttributableToParent0.00.095.60.00.00.0-0.0

us-gaap:AccumulatedDefinedBenefitPlansAdjustment


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-30
Value0.00.00.00.0-0.0760.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0
Percentage of OciBeforeReclassificationsNetOfTaxAttributableToParent0.00.00.00.0-1.50.00.0-0.0-0.0-0.00.00.00.00.0-0.0-0.00.00.0-0.00.0-0.0

us-gaap:AccumulatedNetUnrealizedInvestmentGainLoss


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-30
Value0.6857.9450.2031.795.3133.396-30.388-3.01-1.244-5.302-1.5430.5622.0060.707-9.353-0.0752.7394.821-4.0594.713-3.289
Percentage of OciBeforeReclassificationsNetOfTaxAttributableToParent100.0100.04.4100.0101.5100.0-1053.3100.0100.0100.0-105.0100.0100.0100.0109.4100.0100.0100.0111.8100.0100.0

us-gaap:OperatingLeaseCost

us-gaap:OperatingLeaseCost


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value1932000.01995000.01980000.02007000.01930000.01891000.02194000.01954000.01928000.01912000.0
Percentage of OperatingLeaseCost100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OperatingLeasePayments

us-gaap:OperatingLeasePayments


None
Period End2020-06-302020-03-312019-06-302019-03-31
Value2015000.01995000.01957000.01949000.0
Percentage of OperatingLeasePayments100.0100.0100.0100.0

us-gaap:OtherComprehensiveIncomeAvailableforsaleSecuritiesAdjustmentNetOfTaxPortionAttributableToParent

us-gaap:OtherComprehensiveIncomeAvailableforsaleSecuritiesAdjustmentNetOfTaxPortionAttributableToParent


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-31
Value0.6857.090.2031.795.3133.3965.612-3.01-1.244-5.302-1.5430.5622.0060.707-9.354-0.0752.3384.821-4.0614.713-3.2891.8384.045-0.9956.9124.423-4.260.878-16.683-1.768-2.5423.2751.5132.5270.132-2.5627.027-0.008
Percentage of OtherComprehensiveIncomeAvailableforsaleSecuritiesAdjustmentNetOfTaxPortionAttributableToParent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OtherComprehensiveIncomeAvailableforsaleSecuritiesTaxPortionAttributableToParent

us-gaap:OtherComprehensiveIncomeAvailableforsaleSecuritiesTaxPortionAttributableToParent


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-31
Value242000.02487000.071000.0628000.01864000.01192000.01968000.0-1069000.0-425000.0-1858000.0-1393000.0376000.01337000.0472000.0-6237000.0-50000.01559000.03214000.0-2702000.03142000.0-2193000.01222000.02635000.0-650000.04517000.03026000.0-2826000.0583000.0-11064000.0-1173000.0-1685000.02172000.01003000.01676000.089000.0-1698000.04657000.0-4000.0
Percentage of OtherComprehensiveIncomeAvailableforsaleSecuritiesTaxPortionAttributableToParent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OtherComprehensiveIncomeDefinedBenefitPlansAdjustmentBeforeTaxPortionAttributableToParent

us-gaap:OtherComprehensiveIncomeDefinedBenefitPlansAdjustmentBeforeTaxPortionAttributableToParent


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-30
Value-192000.0-215000.0-118000.0-118000.0-102000.0-133000.0-261000.0-262000.0-84000.0-49000.0-59000.0-49000.0-51000.0-40000.0-42000.014000.0-28000.056000.039000.066000.082000.0-27000.0-24000.0162000.0-119000.0-117000.052000.051000.036000.066000.0-52000.033000.032000.031000.0-44000.0-44000.0
Percentage of OtherComprehensiveIncomeDefinedBenefitPlansAdjustmentBeforeTaxPortionAttributableToParent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OtherComprehensiveIncomeDefinedBenefitPlansAdjustmentNetOfTaxPortionAttributableToParent

us-gaap:OtherComprehensiveIncomeDefinedBenefitPlansAdjustmentNetOfTaxPortionAttributableToParent


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-31
Value141000.0159000.088000.087000.076000.098000.0194000.0194000.062000.036000.0215000.029000.031000.024000.025000.0-8000.016000.0-33000.0-24000.0-40000.0-49000.016000.015000.0-98000.071000.072000.0-31000.0-30000.0-21000.0-41000.0-83000.019000.019000.019000.0185000.0-26000.0-5000.0-49000.0
Percentage of OtherComprehensiveIncomeDefinedBenefitPlansAdjustmentNetOfTaxPortionAttributableToParent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OtherComprehensiveIncomeDefinedBenefitPlansTaxPortionAttributableToParent

us-gaap:OtherComprehensiveIncomeDefinedBenefitPlansTaxPortionAttributableToParent


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-31
Value51000.056000.030000.031000.026000.035000.067000.068000.022000.013000.0-156000.020000.020000.016000.017000.0-6000.012000.0-23000.0-15000.0-26000.0-33000.011000.09000.0-64000.048000.045000.0-21000.0-21000.0-15000.0-25000.0-57000.014000.013000.012000.0125000.0-18000.0-3000.0-32000.0
Percentage of OtherComprehensiveIncomeDefinedBenefitPlansTaxPortionAttributableToParent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OtherComprehensiveIncomeLossAmortizationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetPriorServiceCostCreditBeforeTax

us-gaap:OtherComprehensiveIncomeLossAmortizationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetPriorServiceCostCreditBeforeTax


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-30
Value-49000.0-49000.053000.0-83000.0-82000.0-85000.0-72000.0-73000.022000.023000.022000.023000.022000.023000.023000.022000.022000.023000.022000.023000.067000.0-22000.050000.0239000.0-45000.0-45000.0-65000.0-66000.0-65000.0
Percentage of OtherComprehensiveIncomeLossAmortizationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetPriorServiceCostCreditBeforeTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OtherComprehensiveIncomeLossAvailableForSaleSecuritiesTax

us-gaap:OtherComprehensiveIncomeLossAvailableForSaleSecuritiesTax


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value-242000.0-2487000.0-71000.0-628000.0-1866000.0-1192000.0-1968000.01068000.0426000.01858000.01393000.0-376000.0
Percentage of OtherComprehensiveIncomeLossAvailableForSaleSecuritiesTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent

us-gaap:OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-31
Value0.5446.9314.5321.7035.2373.2982.691-3.204-1.306-5.3381.2540.5331.9750.683-8.579-0.0672.3224.854-3.6074.753-3.241.822-1.001-0.8976.8414.3512.120.908-16.662-1.727-3.3213.2941.5322.546-2.751-2.5887.022-0.057
Percentage of OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent us-gaap:StatementEquityComponents

trst:ChangeInOverfundedPosition


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-03-31
Value0.00.04.4170.00.00.00.0
Percentage of OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent0.00.097.50.00.00.0-0.0

us-gaap:AccumulatedDefinedBenefitPlansAdjustment


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-30
Value-0.141-0.159-0.088-0.087-0.076-0.098-0.194-0.194-0.062-0.036-0.215-0.029-0.031-0.024-0.0250.008-0.0160.0330.0240.040.049
Percentage of OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent-25.9-2.3-1.9-5.1-1.5-3.0-7.26.14.70.7-17.1-5.4-1.6-3.50.3-11.9-0.70.7-0.70.8-1.5

us-gaap:AccumulatedNetUnrealizedInvestmentGainLoss


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-30
Value0.6857.090.2031.795.3133.396-30.388-3.01-1.244-5.302-1.5430.5622.0060.707-9.354-0.0752.3384.821-4.0614.713-3.289
Percentage of OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent125.9102.34.5105.1101.5103.0-1129.293.995.399.3-123.0105.4101.6103.5109.0111.9100.799.3112.699.2101.5

us-gaap:AccumulatedOtherComprehensiveIncome


None
Period End2020-06-302020-03-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-30
Value0.5446.9311.7035.2373.2982.691-3.204-1.306-5.3381.2540.5331.9750.683-8.579-0.0672.3224.854-3.6074.753
Percentage of OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesBeforeTax

us-gaap:OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesBeforeTax


None
Period End2020-06-302020-03-312019-06-302019-03-312017-12-312017-09-302017-06-302016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-30
Value01155000.00000020000.00668000.002000.000249000.0335000.0376000.006000.0188000.001432000.0
Percentage of OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesBeforeTax0.0100.00.00.00.00.00.0100.00.0100.00.0100.00.00.0100.0100.0100.00.0100.0100.00.0100.0

us-gaap:OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetGainLossBeforeTax

us-gaap:OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetGainLossBeforeTax


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-30
Value143000.0166000.0171000.035000.020000.048000.0189000.0189000.0106000.072000.081000.072000.073000.063000.065000.08000.050000.0-33000.0-17000.0-43000.0-15000.05000.074000.077000.074000.072000.0-117000.0-117000.0-101000.0
Percentage of OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetGainLossBeforeTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodBeforeTax

us-gaap:OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodBeforeTax


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-30
Value0.927100.2742.4187.1774.5887.58-4.079-1.669-7.16-2.9360.9383.3431.179-15.571-0.1254.5658.035-6.7617.855-5.4823.3097.015-1.269117.455-6.8981.461-26.315-2.939-3.4646.1132.5714.880.353-4.102120.275-14.9014.2484.144
Percentage of OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodBeforeTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OtherNoninterestExpense

us-gaap:OtherNoninterestExpense


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-30
Value2.0582.2552.2692.3712.4472.3633.1522.4962.3432.2872.2482.1492.5812.4572.1132.6362.8171.8992.7832.7662.8442.3052.2962.5762.662.2291.7862.1672.6242.3493.8111.2252.0482.2451.5081.2492.1731.7691.6351.4151.596
Percentage of OtherNoninterestExpense100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:PaymentsForProceedsFromLoansAndLeases

us-gaap:PaymentsForProceedsFromLoansAndLeases


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-30
Value7837787947-11.8634885753159726019454644101542513878816937787565248357418.684759738.5191923
Percentage of PaymentsForProceedsFromLoansAndLeases100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:PaymentsToAcquireAvailableForSaleSecurities

us-gaap:PaymentsToAcquireAvailableForSaleSecurities


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-30
Value15222.28884108670.61.1191445179.5898.483472410611331563458391.90.010315266042287160243351444189600268150428362
Percentage of PaymentsToAcquireAvailableForSaleSecurities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ProceedsFromMaturitiesPrepaymentsAndCallsOfAvailableForSaleSecurities

us-gaap:ProceedsFromMaturitiesPrepaymentsAndCallsOfAvailableForSaleSecurities


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302015-12-312015-09-30
Value0.05.00.00.00.05210.00.6040.020255.00.00.00.01.3990.02.5260.0
Percentage of ProceedsFromMaturitiesPrepaymentsAndCallsOfAvailableForSaleSecurities0.0100.00.00.0100.0100.0100.00.0100.0100.0100.00.00.00.0100.00.0100.00.0

us-gaap:ProceedsFromMaturitiesPrepaymentsAndCallsOfHeldToMaturitySecurities

us-gaap:ProceedsFromMaturitiesPrepaymentsAndCallsOfHeldToMaturitySecurities


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-30
Value1.0450.8591.0450.9110.9030.8510.9611.2681.4441.3771.717112.0622.222.542.6542.892.8913.5333.5453.7173.6863.2333.7474.214.0795.0637.511192512121047183116201316
Percentage of ProceedsFromMaturitiesPrepaymentsAndCallsOfHeldToMaturitySecurities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ProceedsFromSaleOfAvailableForSaleSecuritiesDebt

us-gaap:ProceedsFromSaleOfAvailableForSaleSecuritiesDebt


None
Period End2020-06-302020-03-312019-06-302019-03-31
Value0.0290.00.0
Percentage of ProceedsFromSaleOfAvailableForSaleSecuritiesDebt0.0100.00.00.0

us-gaap:ProceedsFromSaleOfOtherRealEstate

us-gaap:ProceedsFromSaleOfOtherRealEstate


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-30
Value0.5070.7312.4631.2080.6861.2651.1770.3731.0351.4860.7691.51.2261.8671.9080.8022.5971.4612.0471.5942.3181.5521.6964.0465.31.934.0381.9513.081.8982.0112.172.2083.3712.0993.7971.7281.3891.9971.961
Percentage of ProceedsFromSaleOfOtherRealEstate100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ProceedsFromSaleOfTreasuryStock

us-gaap:ProceedsFromSaleOfTreasuryStock


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-30
Value000597000.0600000.0594000.0609000.0592000.0596000.0594000.0602000.0622000.0623000.0633000.0489000.0651000.0652000.0655000.0649000.0660000.0686000.0675000.0703000.0708000.0716000.0723000.0720000.0720000.0733000.0735000.0737000.0730000.0722000.0724000.0710000.0722000.0729000.0739000.0732000.0702000.0
Percentage of ProceedsFromSaleOfTreasuryStock0.00.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ProceedsFromStockOptionsExercised

us-gaap:ProceedsFromStockOptionsExercised


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-31
Value0032000.0118000.0035000.00556000.0683000.020000.03379000.0263000.092000.01503000.0608000.0258000.0502000.0048000.00099000.053000.078000.00036000.0
Percentage of ProceedsFromStockOptionsExercised0.00.0100.0100.00.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.00.00.0100.0100.0100.00.00.0100.0

us-gaap:ProfessionalFees

us-gaap:ProfessionalFees


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-30
Value1182000.01481000.01449000.01507000.01568000.01650000.01733000.01578000.01814000.01430000.01325000.01679000.01963000.01928000.01997000.01959000.02098000.02146000.02067000.02238000.02066000.01507000.01536000.01547000.01438000.01286000.01409000.01255000.01565000.01420000.01458000.01657000.01489000.01436000.01411000.01152000.01681000.01485000.01437000.01194000.01565000.0
Percentage of ProfessionalFees100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ProvisionForLoanAndLeaseLosses

us-gaap:ProvisionForLoanAndLeaseLosses


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-30
Value2.02.00.20.0-0.3410.30.50.30.30.30.30.550.550.60.60.750.80.81.30.80.80.81.01.11.51.51.51.52.02.03.02.93.03.14.25.14.854.65.55.97.1
Percentage of ProvisionForLoanAndLeaseLosses100.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ProvisionForLoanAndLeaseLosses us-gaap:FinancingReceivablePortfolioSegment

us-gaap:CommercialPortfolioSegment


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-30
Value0.4-0.0380.127-0.070.178-0.310.015-0.065-0.061-0.075-0.3840.024-0.214-0.055-0.3250.5050.1940.6521.1050.0340.047-0.014-0.4660.0950.244
Percentage of ProvisionForLoanAndLeaseLosses20.0-1.963.50.0-52.2-103.33.0-21.7-20.3-25.0-128.04.4-38.9-9.2-54.267.324.281.585.04.25.9-1.8-46.68.616.3

us-gaap:ConsumerLoan


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-30
Value-0.0040.0050.0860.088-0.4180.060.0940.1380.0990.0640.0920.0920.088-0.040.1190.2960.0450.030.120.0140.0950.260.090.070.04
Percentage of ProvisionForLoanAndLeaseLosses-0.20.243.00.0122.620.018.846.033.021.330.716.716.0-6.719.839.55.63.89.21.811.932.59.06.42.7

us-gaap:ResidentialMortgage


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-30
Value1.6042.033-0.013-0.018-0.1010.550.3910.2270.2620.310.5920.4340.6760.6950.806-0.0510.5610.1180.0750.7520.6580.5541.3760.9351.216
Percentage of ProvisionForLoanAndLeaseLosses80.2101.7-6.50.029.6183.378.275.787.3103.3197.378.9122.9115.8134.3-6.870.114.85.894.082.269.2137.685.081.1

us-gaap:RealEstateOwnedValuationAllowanceAmountsApplied

us-gaap:RealEstateOwnedValuationAllowanceAmountsApplied


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-30
Value23000.080000.072000.018000.0106000.0140000.095000.060000.030000.0199000.0277000.0461000.0174000.0188000.0289000.0305000.0260000.0
Percentage of RealEstateOwnedValuationAllowanceAmountsApplied100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ReclassificationFromAociCurrentPeriodNetOfTaxAttributableToParent

us-gaap:ReclassificationFromAociCurrentPeriodNetOfTaxAttributableToParent


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-30
Value141000.01014000.088000.087000.0098000.0194000.0194000.062000.01382000.0215000.029000.031000.024000.025000.0-8000.0417000.0-33000.0-22000.0-40000.0-49000.0
Percentage of ReclassificationFromAociCurrentPeriodNetOfTaxAttributableToParent100.0100.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ReclassificationFromAociCurrentPeriodNetOfTaxAttributableToParent us-gaap:StatementEquityComponents

us-gaap:AccumulatedDefinedBenefitPlansAdjustment


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-30
Value141000.0159000.088000.087000.0098000.0194000.0194000.062000.036000.0215000.029000.031000.024000.025000.0-8000.016000.0-33000.0-24000.0-40000.0-49000.0
Percentage of ReclassificationFromAociCurrentPeriodNetOfTaxAttributableToParent100.015.7100.0100.00.0100.0100.0100.0100.02.6100.0100.0100.0100.0100.0100.03.8100.0109.1100.0100.0

us-gaap:AccumulatedNetUnrealizedInvestmentGainLoss


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-30
Value0855000.000000000000000401000.002000.000
Percentage of ReclassificationFromAociCurrentPeriodNetOfTaxAttributableToParent0.084.30.00.00.00.00.00.00.00.00.00.00.00.00.0-0.096.2-0.0-9.1-0.0-0.0

us-gaap:RightOfUseAssetObtainedInExchangeForOperatingLeaseLiability

us-gaap:RightOfUseAssetObtainedInExchangeForOperatingLeaseLiability


None
Period End2020-06-302020-03-312019-06-302019-03-312018-03-31
Value0.2870.01.009530.0
Percentage of RightOfUseAssetObtainedInExchangeForOperatingLeaseLiability100.00.0100.0100.00.0

us-gaap:TransferToOtherRealEstate

us-gaap:TransferToOtherRealEstate


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-30
Value0.00.4341.0740.7892.0270.6850.2770.5251.3620.4921.3570.8651.4780.7871.7221.3551.4121.0362.9521.7581.3912.1942.1332.6072.433.452.9631.9334.5983.1542.0627.5472.6272.3871.9915.351
Percentage of TransferToOtherRealEstate0.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:TreasuryStockSharesAcquired

us-gaap:TreasuryStockSharesAcquired


None
Period End2020-03-312019-03-312018-12-312018-09-302018-06-302017-12-312017-09-302016-12-312016-09-302015-12-312015-09-30
Value489000.04131.0036431.045509.0322610.038290.018302.031137.07483.00
Percentage of TreasuryStockSharesAcquired100.0100.00.0100.0100.0100.0100.0100.0100.0100.00.0

us-gaap:TreasuryStockValueAcquiredCostMethod

us-gaap:TreasuryStockValueAcquiredCostMethod


None
Period End2020-03-312019-03-312018-12-312018-09-302018-06-302017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302015-12-312015-09-302015-06-302015-03-31
Value3493000.035000.00339000.0379000.02925000.0180000.001503000.00212000.0-246000.00099000.0
Percentage of TreasuryStockValueAcquiredCostMethod100.0100.00.0100.0100.0100.0100.00.0100.00.0100.0100.00.00.0100.0

us-gaap:TreasuryStockValueAcquiredCostMethod us-gaap:StatementEquityComponents

us-gaap:TreasuryStock


None
Period End2020-03-312019-03-312018-12-312018-09-302018-06-302017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302015-12-312015-09-302015-06-302015-03-31
Value3493000.035000.00339000.0379000.02925000.0180000.001503000.00212000.0-246000.00099000.0
Percentage of TreasuryStockValueAcquiredCostMethod100.0100.00.0100.0100.0100.0100.00.0100.00.0100.0100.00.00.0100.0

us-gaap:VariableLeaseCost

us-gaap:VariableLeaseCost


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value675000.0480000.0496000.0497000.0509000.0466000.0454000.0492000.0468000.0586000.0
Percentage of VariableLeaseCost100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

trst:CollateralDependentImpairedFinancingReceivableRecordedInvestment

trst:CollateralDependentImpairedFinancingReceivableRecordedInvestment


None
Period End2020-06-302019-12-312019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302011-12-31
Value0.2970.120.2160.4390.4590.3260.4540.750.8440.6510.4661.51.71.41.53.04.00.7431.71.83.62.72.32.35.14.07.91010119.2
Percentage of CollateralDependentImpairedFinancingReceivableRecordedInvestment100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

trst:CollateralDependentImpairedFinancingReceivableRecordedInvestment us-gaap:FinancingReceivablePortfolioSegment

us-gaap:ResidentialMortgage


None
Period End2020-03-31
Value0.417
Percentage of CollateralDependentImpairedFinancingReceivableRecordedInvestment0.0

trst:CommonEquityTier1CapitalAdequatelyCapitalized us-gaap:ConsolidatedEntities

trst:CommonEquityTier1CapitalAdequatelyCapitalized

srt:ParentCompany


None
Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312017-12-31
Value0.070.070.070.070.070.06380.0575
Percentage of CommonEquityTier1CapitalAdequatelyCapitalized100.0100.0100.0100.0100.0100.0100.0

srt:Subsidiaries


None
Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312017-12-31
Value0.070.070.070.070.070.06380.0575
Percentage of CommonEquityTier1CapitalAdequatelyCapitalized100.0100.0100.0100.0100.0100.0100.0

trst:CommonEquityTierOneCapitalConservationBuffer us-gaap:ConsolidatedEntities

trst:CommonEquityTierOneCapitalConservationBuffer

srt:ParentCompany


None
Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312017-12-31
Value0.0250.0250.0250.0250.0250.01880.0125
Percentage of CommonEquityTierOneCapitalConservationBuffer100.0100.0100.0100.0100.0100.0100.0

srt:Subsidiaries


None
Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-31
Value0.0250.0250.0250.0250.0250.0125
Percentage of CommonEquityTierOneCapitalConservationBuffer100.0100.0100.0100.0100.066.5

trst:CorporateBondsFairValueDisclosure us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementFrequency

trst:CorporateBondsFairValueDisclosure

us-gaap:FairValueInputsLevel2, us-gaap:FairValueMeasurementsRecurring


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302011-12-31
Value544830404030292929354040404040411.51.51.4011.4026.4021053535926497396
Percentage of CorporateBondsFairValueDisclosure100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

trst:CorporateBondsFairValueDisclosure us-gaap:FairValueByMeasurementBasis, us-gaap:FairValueByMeasurementFrequency

us-gaap:CarryingReportedAmountFairValueDisclosure, us-gaap:FairValueMeasurementsRecurring


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-30
Value54483040403029292935404040404041
Percentage of CorporateBondsFairValueDisclosure100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

trst:DebtSecuritiesHeldToMaturityFairValueDisclosures

trst:DebtSecuritiesHeldToMaturityFairValueDisclosures


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-31
Value17191920212222
Percentage of DebtSecuritiesHeldToMaturityFairValueDisclosures100.0100.0100.0100.0100.0100.0100.0

trst:DebtSecuritiesHeldToMaturityFairValueDisclosures us-gaap:FairValueByFairValueHierarchyLevel

us-gaap:FairValueInputsLevel2


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-31
Value17191920212222
Percentage of DebtSecuritiesHeldToMaturityFairValueDisclosures100.0100.0100.0100.0100.0100.0100.0

trst:DebtSecuritiesHeldToMaturityFairValueDisclosures us-gaap:FairValueByMeasurementBasis

us-gaap:CarryingReportedAmountFairValueDisclosure


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-31
Value16171819202122
Percentage of DebtSecuritiesHeldToMaturityFairValueDisclosures93.093.194.694.695.697.098.2

trst:DemandDepositAccountsFairValueDisclosure

trst:DemandDepositAccountsFairValueDisclosure


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-31
Value612480463453432408405403404403398397390373377380376359365354355347331327324327318314314298300
Percentage of DemandDepositAccountsFairValueDisclosure100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

trst:DemandDepositAccountsFairValueDisclosure us-gaap:FairValueByFairValueHierarchyLevel

us-gaap:FairValueInputsLevel1


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-30
Value612480463453432408405403404403398397390373377380376359365354355347331327324327318314314298300292
Percentage of DemandDepositAccountsFairValueDisclosure100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0

trst:DemandDepositAccountsFairValueDisclosure us-gaap:FairValueByMeasurementBasis

us-gaap:CarryingReportedAmountFairValueDisclosure


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302013-12-31
Value612480463453432408405403404403398397390373377380376359365354355347331327324318
Percentage of DemandDepositAccountsFairValueDisclosure100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

trst:FinancingReceivableRecordedInvestmentNonaccrualStatusAndOtherNonperformingRealEstateMortgages

trst:FinancingReceivableRecordedInvestmentNonaccrualStatusAndOtherNonperformingRealEstateMortgages


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312011-12-31
Value2120202122242423242424242426252628302831323334374044434143495248
Percentage of FinancingReceivableRecordedInvestmentNonaccrualStatusAndOtherNonperformingRealEstateMortgages100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

trst:FinancingReceivableRecordedInvestmentNonaccrualStatusAndOtherNonperformingRealEstateMortgages us-gaap:StatementGeographical

stpr:FL


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312017-12-31
Value1.1111.4921.6141.8091.5641.6441.932.389
Percentage of FinancingReceivableRecordedInvestmentNonaccrualStatusAndOtherNonperformingRealEstateMortgages5.17.27.78.67.16.67.79.8

trst:NewYorkAndOtherStates


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312017-12-31
Value2019191920232321
Percentage of FinancingReceivableRecordedInvestmentNonaccrualStatusAndOtherNonperformingRealEstateMortgages94.992.892.391.492.993.492.390.2

trst:ImpairedLoansIncludedInClassifiedLoans

trst:ImpairedLoansIncludedInClassifiedLoans


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312017-12-312017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312012-12-31
Value808000.0874000.0816000.01500000.01300000.01500000.01400000.01500000.01800000.01800000.02400000.02700000.02800000.03000000.03700000.03600000.02800000.04100000.05000000.05600000.05400000.08100000.09300000.0
Percentage of ImpairedLoansIncludedInClassifiedLoans100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

trst:ImpairedLoansMeasurementInput us-gaap:Range, us-gaap:FairValueByMeasurementFrequency, us-gaap:FinancingReceivablePortfolioSegment, us-gaap:MeasurementInputType, us-gaap:ValuationTechnique

trst:ImpairedLoansMeasurementInput

srt:Maximum, us-gaap:FairValueMeasurementsNonrecurring, us-gaap:ResidentialMortgage, us-gaap:MeasurementInputComparabilityAdjustment, us-gaap:MarketApproachValuationTechnique


None
Period End2020-06-302020-03-312019-12-312019-06-302019-03-312018-12-312018-09-302018-06-302017-12-31
Value0.110.130.170.170.140.140.140.140.14
Percentage of ImpairedLoansMeasurementInput100.0100.0100.0100.0100.0100.0100.0100.0100.0

srt:Minimum, us-gaap:FairValueMeasurementsNonrecurring, us-gaap:ResidentialMortgage, us-gaap:MeasurementInputComparabilityAdjustment, us-gaap:MarketApproachValuationTechnique


None
Period End2020-06-302020-03-312019-12-312019-06-302019-03-312018-12-312018-09-302018-06-302017-12-31
Value0.010.110.010.070.050.050.050.050.05
Percentage of ImpairedLoansMeasurementInput9.184.65.941.235.735.735.735.735.7

srt:WeightedAverage, us-gaap:FairValueMeasurementsNonrecurring, us-gaap:ResidentialMortgage, us-gaap:MeasurementInputComparabilityAdjustment, us-gaap:MarketApproachValuationTechnique


None
Period End2020-06-302020-03-312019-12-312019-06-302019-03-312018-12-312018-09-302018-06-302017-12-31
Value0.110.120.090.120.10.10.10.10.1
Percentage of ImpairedLoansMeasurementInput100.092.352.970.671.471.471.471.471.4

trst:InterestBearingDepositFairValueDisclosure

trst:InterestBearingDepositFairValueDisclosure


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-31
Value4258400939854006402839983859378438383843378437613811381938143789380437853738374237813770370036583671365936093579357835603505
Percentage of InterestBearingDepositFairValueDisclosure100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

trst:InterestBearingDepositFairValueDisclosure us-gaap:FairValueByFairValueHierarchyLevel

us-gaap:FairValueInputsLevel1


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-31
Value2859263425872550258325832594264026952721270726912729271026582628262526142627257325962573253725172528251324772464245424482426
Percentage of InterestBearingDepositFairValueDisclosure67.165.764.963.764.164.667.269.870.270.871.671.671.671.069.769.469.069.170.368.868.768.368.668.868.968.768.668.868.668.869.2

us-gaap:FairValueInputsLevel2


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-31
Value1399137513971456144514151264114311431122107610691082110811561160117911701111116811851196116311401143114611321115112311111079
Percentage of InterestBearingDepositFairValueDisclosure32.934.335.136.335.935.432.830.229.829.228.428.428.429.030.330.631.030.929.731.231.331.731.431.231.131.331.431.231.431.230.8

trst:InterestBearingDepositFairValueDisclosure us-gaap:FairValueByMeasurementBasis

us-gaap:CarryingReportedAmountFairValueDisclosure


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312014-12-312013-12-31
Value425240013986400740294004386937963850383137743767381838243818378838033783373537003608
Percentage of InterestBearingDepositFairValueDisclosure99.999.8100.0100.0100.0100.1100.3100.3100.399.799.8100.2100.2100.1100.1100.0100.099.999.9100.0100.0

trst:InterestPayableFairValueDisclosure

trst:InterestPayableFairValueDisclosure


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312012-12-31
Value1027000.01259000.01459000.01534000.01552000.01472000.01024000.0778000.0695000.0665000.0537000.0470000.0462000.0510000.0526000.0496000.0518000.0549000.0501000.0508000.0515000.0570000.0548000.0500000.0466000.0471000.0468000.0449000.0
Percentage of InterestPayableFairValueDisclosure100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

trst:InterestPayableFairValueDisclosure us-gaap:FairValueByFairValueHierarchyLevel

us-gaap:FairValueInputsLevel1


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312012-12-31
Value108000.0145000.0174000.0163000.0191000.0176000.0104000.092000.074000.075000.077000.067000.076000.091000.082000.072000.078000.086000.074000.073000.077000.097000.0100000.098000.0100000.099000.0101000.0103000.0
Percentage of InterestPayableFairValueDisclosure10.511.511.910.612.312.010.211.810.611.314.314.316.517.815.614.515.115.714.814.415.017.018.219.621.521.021.622.9

us-gaap:FairValueInputsLevel2


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312012-12-31
Value919000.01114000.01285000.01371000.01361000.01296000.0920000.0686000.0621000.0590000.0460000.0402000.0385000.0419000.0444000.0424000.0440000.0463000.0427000.0435000.0438000.0473000.0448000.0402000.0366000.0372000.0367000.0346000.0
Percentage of InterestPayableFairValueDisclosure89.588.588.189.487.788.089.888.289.488.785.785.583.382.284.485.584.984.385.285.685.083.081.880.478.579.078.477.1

trst:InterestPayableFairValueDisclosure us-gaap:FairValueByMeasurementBasis

us-gaap:CarryingReportedAmountFairValueDisclosure


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302013-12-31
Value1027000.01259000.01459000.01534000.01552000.01472000.01024000.0778000.0695000.0665000.0537000.0470000.0462000.0510000.0526000.0496000.0518000.0549000.0501000.0508000.0515000.0570000.0548000.0500000.0466000.0468000.0
Percentage of InterestPayableFairValueDisclosure100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

trst:InterestReceivableFairValueDisclosure

trst:InterestReceivableFairValueDisclosure


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312012-12-31
Value11101011121111111110111011101110109.92510101010101011101111
Percentage of InterestReceivableFairValueDisclosure100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

trst:InterestReceivableFairValueDisclosure us-gaap:FairValueByFairValueHierarchyLevel

us-gaap:FairValueInputsLevel1


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312012-12-31
Value0.0310.0080.2160.0960.370.1490.3530.10.2840.0850.2430.0560.2380.0340.1450.0250.080.0190.080.0620.0260.060.030.00.00.00.00.0
Percentage of InterestReceivableFairValueDisclosure0.30.12.00.83.01.33.10.92.50.82.10.52.10.31.30.20.70.20.80.60.20.60.30.00.00.00.00.0

us-gaap:FairValueInputsLevel2


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312012-12-31
Value1.5731.8412.2212.772.5862.2142.3712.2422.4952.6112.442.4732.8112.8552.6542.6952.4552.1352.372.252.6522.3152.6942.7663.2332.9533.4524.114
Percentage of InterestReceivableFairValueDisclosure13.518.020.323.621.019.520.919.422.024.721.322.924.926.624.024.822.921.523.121.724.522.324.925.628.527.230.835.0

us-gaap:FairValueInputsLevel3


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312012-12-31
Value108.3938.4788.8729.3818.9918.6179.218.557.8838.7588.2848.2347.8538.2718.1528.1697.7717.8128.0358.1298.0018.0768.0258.1177.897.7467.638
Percentage of InterestReceivableFairValueDisclosure86.281.977.775.676.079.276.079.775.574.576.576.673.073.174.775.076.378.376.177.775.277.174.874.471.572.869.265.0

trst:InterestReceivableFairValueDisclosure us-gaap:FairValueByMeasurementBasis

us-gaap:CarryingReportedAmountFairValueDisclosure


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302013-12-31
Value11101011121111111110111011101110109.9251010101010101111
Percentage of InterestReceivableFairValueDisclosure100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

trst:InvestmentInFederalReserveBankAndFederalHomeLoanBankStockFairValueDisclosure us-gaap:FairValueByMeasurementBasis

trst:InvestmentInFederalReserveBankAndFederalHomeLoanBankStockFairValueDisclosure

us-gaap:CarryingReportedAmountFairValueDisclosure


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302013-12-31
Value5.5069.1839.1839.1839.1838.9538.9538.9538.9538.7798.7798.7799.7239.5799.5799.5799.5799.489.489.489.489.2289.2289.2281010
Percentage of InvestmentInFederalReserveBankAndFederalHomeLoanBankStockFairValueDisclosure100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

trst:MortgageBackedSecuritiesAndCollateralizedMortgageObligationsResidentialFairValueDisclosure us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementFrequency

trst:MortgageBackedSecuritiesAndCollateralizedMortgageObligationsResidentialFairValueDisclosure

us-gaap:FairValueInputsLevel2, us-gaap:FairValueMeasurementsRecurring


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302012-12-31
Value331352389406354312262269283297315335352357372400404422411413429445483523589524532534518
Percentage of MortgageBackedSecuritiesAndCollateralizedMortgageObligationsResidentialFairValueDisclosure100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

trst:MortgageBackedSecuritiesAndCollateralizedMortgageObligationsResidentialFairValueDisclosure us-gaap:FairValueByMeasurementBasis, us-gaap:FairValueByMeasurementFrequency

us-gaap:CarryingReportedAmountFairValueDisclosure, us-gaap:FairValueMeasurementsRecurring


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302015-12-31
Value331352389406354312262269283297315335352357372400404411
Percentage of MortgageBackedSecuritiesAndCollateralizedMortgageObligationsResidentialFairValueDisclosure100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

trst:NonAccrualResidentialMortgageLoansInTheProcessOfForeclosure us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable

trst:NonAccrualResidentialMortgageLoansInTheProcessOfForeclosure

us-gaap:ResidentialRealEstate


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-31
Value119.28.79.29.6121212121212131112121213141316171817
Percentage of NonAccrualResidentialMortgageLoansInTheProcessOfForeclosure100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

trst:OtherRealEstateMortgageLoans

trst:OtherRealEstateMortgageLoans


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312011-12-31
Value26000.027000.029000.030000.031000.033000.034000.035000.036000.038000.038000.040000.041000.041000.042000.044000.045000.047000.048000.050000.074000.075000.0125000.0155000.0159000.0162000.0166000.0170000.0174000.0225000.0231000.0312000.0
Percentage of OtherRealEstateMortgageLoans100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

trst:OtherRealEstateMortgageLoans us-gaap:StatementGeographical

trst:NewYorkAndOtherStates


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312017-12-31
Value26000.027000.029000.030000.031000.033000.034000.038000.0
Percentage of OtherRealEstateMortgageLoans100.0100.0100.0100.0100.0100.0100.0100.0

trst:OtherRealEstateOwned

trst:OtherRealEstateOwned


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302014-12-31
Value472000.0877000.01200000.01800000.02100000.0703000.01100000.01700000.01800000.02200000.02700000.02500000.02900000.02500000.03500000.04100000.03900000.04900000.05400000.03600000.03600000.04200000.0
Percentage of OtherRealEstateOwned100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

trst:OtherRealEstateOwnedCommercialRealEstateFairValueDisclosure

trst:OtherRealEstateOwnedCommercialRealEstateFairValueDisclosure


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312011-12-31
Value358000.0407000.0358000.0560000.0560000.0560000.0560000.0560000.0730000.0358000.0541000.0358000.0707000.0729000.0756000.0700000.0735000.0775000.01000000.02300000.02500000.03400000.02200000.02300000.05200000.05800000.05000000.06700000.06100000.05200000.04800000.01700000.0
Percentage of OtherRealEstateOwnedCommercialRealEstateFairValueDisclosure100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

trst:OtherRealEstateOwnedResidentialRealEstatePropertiesFairValueDisclosure

trst:OtherRealEstateOwnedResidentialRealEstatePropertiesFairValueDisclosure


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312011-12-31
Value472000.0877000.01200000.01800000.02100000.0703000.01100000.01700000.01800000.01800000.02700000.02500000.02900000.02500000.03500000.04100000.03900000.04900000.05400000.03600000.03600000.03600000.04200000.04100000.03100000.03200000.03700000.03100000.04200000.04700000.03900000.03600000.0
Percentage of OtherRealEstateOwnedResidentialRealEstatePropertiesFairValueDisclosure100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

trst:OtherSecuritiesFairValueDisclosure us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementFrequency

trst:OtherSecuritiesFairValueDisclosure

us-gaap:FairValueInputsLevel1, us-gaap:FairValueMeasurementsRecurring


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302011-12-31
Value000000000035000.035000.035000.035000.035000.035000.035000.035000.035000.035000.035000.035000.035000.035000.035000.010000.010000.010000.010000.010000.010000.010000.010000.010000.0
Percentage of OtherSecuritiesFairValueDisclosure0.00.00.00.00.00.00.00.00.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:FairValueInputsLevel2, us-gaap:FairValueMeasurementsRecurring


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302011-12-31
Value685000.0685000.0685000.0683000.0685000.0685000.0685000.0685000.0685000.0685000.0650000.0650000.0650000.0650000.0650000.0650000.0650000.0650000.0650000.0650000.0650000.0650000.0650000.0644000.0644000.0643000.0650000.0650000.0650000.0650000.0650000.0650000.0650000.0650000.0
Percentage of OtherSecuritiesFairValueDisclosure0.00.00.00.00.00.00.00.00.00.01857.11857.11857.11857.11857.11857.11857.11857.11857.11857.11857.11857.11857.11840.01840.06430.06500.06500.06500.06500.06500.06500.06500.06500.0

trst:OtherSecuritiesFairValueDisclosure us-gaap:FairValueByMeasurementBasis, us-gaap:FairValueByMeasurementFrequency

us-gaap:CarryingReportedAmountFairValueDisclosure, us-gaap:FairValueMeasurementsRecurring


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302015-12-31
Value685000.0685000.0685000.0683000.0685000.0685000.0685000.0685000.0685000.0685000.0685000.0685000.0685000.0685000.0685000.0685000.0685000.0685000.0
Percentage of OtherSecuritiesFairValueDisclosure0.00.00.00.00.00.00.00.00.00.01957.11957.11957.11957.11957.11957.11957.11957.1

trst:RealEstateMortgagesOneToFourFamilyClassifiedAsImpairedFairValueDisclosure us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementFrequency

trst:RealEstateMortgagesOneToFourFamilyClassifiedAsImpairedFairValueDisclosure

us-gaap:FairValueInputsLevel3, us-gaap:FairValueMeasurementsNonrecurring


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312015-12-31
Value297000.0417000.0120000.00216000.0439000.0459000.0326000.0454000.0750000.0844000.0651000.0466000.0920000.0458000.03109000.0
Percentage of RealEstateMortgagesOneToFourFamilyClassifiedAsImpairedFairValueDisclosure100.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

trst:RealEstateMortgagesOneToFourFamilyClassifiedAsImpairedFairValueDisclosure us-gaap:FairValueByMeasurementBasis, us-gaap:FairValueByMeasurementFrequency

us-gaap:CarryingReportedAmountFairValueDisclosure, us-gaap:FairValueMeasurementsNonrecurring


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312015-12-31
Value297000.0417000.0120000.00216000.0439000.0459000.0326000.0454000.0750000.0844000.0651000.0466000.0920000.0458000.03109000.0
Percentage of RealEstateMortgagesOneToFourFamilyClassifiedAsImpairedFairValueDisclosure100.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

trst:RiskBasedCapitalRatioCapitalConservationBuffer us-gaap:ConsolidatedEntities

trst:RiskBasedCapitalRatioCapitalConservationBuffer

srt:ParentCompany


None
Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312017-12-31
Value0.0250.0250.0250.0250.0250.01880.0125
Percentage of RiskBasedCapitalRatioCapitalConservationBuffer100.0100.0100.0100.0100.0100.0100.0

srt:Subsidiaries


None
Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-31
Value0.0250.0250.0250.0250.0250.0125
Percentage of RiskBasedCapitalRatioCapitalConservationBuffer100.0100.0100.0100.0100.066.5

trst:SmallBusinessAdministrationGuaranteedParticipationSecuritiesFairValueDisclosure us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementFrequency

trst:SmallBusinessAdministrationGuaranteedParticipationSecuritiesFairValueDisclosure

us-gaap:FairValueInputsLevel2, us-gaap:FairValueMeasurementsRecurring


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-31
Value4546485053545657616467697275788487899094959810010010210110310410811576
Percentage of SmallBusinessAdministrationGuaranteedParticipationSecuritiesFairValueDisclosure100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

trst:SmallBusinessAdministrationGuaranteedParticipationSecuritiesFairValueDisclosure us-gaap:FairValueByMeasurementBasis, us-gaap:FairValueByMeasurementFrequency

us-gaap:CarryingReportedAmountFairValueDisclosure, us-gaap:FairValueMeasurementsRecurring


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302015-12-31
Value454648505354565761646769727578848790
Percentage of SmallBusinessAdministrationGuaranteedParticipationSecuritiesFairValueDisclosure100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

trst:StateAndPoliticalSubdivisionsFairValueDisclosure us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementFrequency

trst:StateAndPoliticalSubdivisionsFairValueDisclosure

us-gaap:FairValueInputsLevel2, us-gaap:FairValueMeasurementsRecurring


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302011-12-31
Value0.120.1120.1620.1690.170.1720.1730.180.5240.5250.5250.5330.5360.8870.8860.970.9740.9741.291.9631.9691.9742.2712.7693.9214.9687.75811121526333643
Percentage of StateAndPoliticalSubdivisionsFairValueDisclosure100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

trst:StateAndPoliticalSubdivisionsFairValueDisclosure us-gaap:FairValueByMeasurementBasis, us-gaap:FairValueByMeasurementFrequency

us-gaap:CarryingReportedAmountFairValueDisclosure, us-gaap:FairValueMeasurementsRecurring


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302015-12-31
Value0.120.1120.1620.1690.170.1720.1730.180.5240.5250.5250.5330.5360.8870.8860.970.9741.29
Percentage of StateAndPoliticalSubdivisionsFairValueDisclosure100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

trst:TdrSClassificationsFromPreviouslyPerformingLoans

trst:TdrSClassificationsFromPreviouslyPerformingLoans


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312015-12-312014-09-302014-06-302013-12-312012-09-30
Value101011111110111110.0111111141111109.78.78.64.0
Percentage of TdrSClassificationsFromPreviouslyPerformingLoans100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

trst:TierOneRiskBasedCapitalRatioCapitalConservationBuffer us-gaap:ConsolidatedEntities

trst:TierOneRiskBasedCapitalRatioCapitalConservationBuffer

srt:ParentCompany


None
Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312017-12-31
Value0.0250.0250.0250.0250.0250.01880.0125
Percentage of TierOneRiskBasedCapitalRatioCapitalConservationBuffer100.0100.0100.0100.0100.0100.0100.0

srt:Subsidiaries


None
Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-31
Value0.0250.0250.0250.0250.0250.0125
Percentage of TierOneRiskBasedCapitalRatioCapitalConservationBuffer100.0100.0100.0100.0100.066.5

trst:USGovernmentSponsoredEnterprisesFairValueDisclosure us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementFrequency

trst:USGovernmentSponsoredEnterprisesFairValueDisclosure

us-gaap:FairValueInputsLevel2, us-gaap:FairValueMeasurementsRecurring


None
Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302011-12-31
Value541041641841481521501501511371231281621171161166686103152108778310392198193188263263427643563
Percentage of USGovernmentSponsoredEnterprisesFairValueDisclosure100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

trst:USGovernmentSponsoredEnterprisesFairValueDisclosure us-gaap:FairValueByMeasurementBasis, us-gaap:FairValueByMeasurementFrequency

us-gaap:CarryingReportedAmountFairValueDisclosure, us-gaap:FairValueMeasurementsRecurring


None
Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302015-12-31
Value5410416418414815215015015113712312816211711611686
Percentage of USGovernmentSponsoredEnterprisesFairValueDisclosure100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:AccruedLiabilitiesAndOtherLiabilities

us-gaap:AccruedLiabilitiesAndOtherLiabilities


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302011-12-31
Value27232729262532313130333331283029292830323028292727242825252223222221
Percentage of AccruedLiabilitiesAndOtherLiabilities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedGainBeforeTax

us-gaap:AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedGainBeforeTax


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-312016-12-312015-12-31
Value11102.8113.1992.0320.3170.0580.0530.0710.1210.1360.469
Percentage of AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedGainBeforeTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedGainBeforeTax us-gaap:FinancialInstrument

trst:SmallBusinessAdministrationGuaranteedParticipationSecurities


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-31
Value1.2830.3760.00.0880.00.00.00.00.00.0
Percentage of AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedGainBeforeTax11.63.70.02.80.00.00.00.00.00.0

us-gaap:CorporateBondSecurities


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-31
Value1.5420.7790.3670.3490.3210.0890.00.00.00.0
Percentage of AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedGainBeforeTax13.97.713.110.915.828.10.00.00.00.0

us-gaap:MortgageBackedSecurities


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-31
Value8.2798.9062.4062.7011.6310.1980.0530.0470.0620.084
Percentage of AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedGainBeforeTax74.687.985.684.480.362.591.488.787.369.4

us-gaap:USGovernmentSponsoredEnterprisesDebtSecurities


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-31
Value0.00.070.0360.0580.0760.0260.00.00.00.027
Percentage of AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedGainBeforeTax0.00.71.31.83.78.20.00.00.022.3

us-gaap:USStatesAndPoliticalSubdivisions


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-31
Value0.0010.0020.0020.0030.0040.0040.0050.0060.0090.01
Percentage of AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedGainBeforeTax0.00.00.10.10.21.38.611.312.78.3

us-gaap:AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedLossBeforeTax

us-gaap:AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedLossBeforeTax


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-312016-12-312015-12-31
Value0.210.1652.423.0824.3339.7971421178.861117.953
Percentage of AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedLossBeforeTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedLossBeforeTax us-gaap:FinancialInstrument

trst:SmallBusinessAdministrationGuaranteedParticipationSecurities


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-31
Value0.00.00.480.1340.4031.9471.9013.5372.1191.862
Percentage of AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedLossBeforeTax0.00.019.84.39.319.913.516.312.021.0

us-gaap:CorporateBondSecurities


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-31
Value0.1970.1580.0950.2770.1080.130.110.1130.1550.108
Percentage of AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedLossBeforeTax93.895.83.99.02.51.30.80.50.91.2

us-gaap:MortgageBackedSecurities


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-31
Value0.0130.0071.4262.2123.3286.1169.40713114.825
Percentage of AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedLossBeforeTax6.24.258.971.876.862.466.661.063.554.5

us-gaap:OtherDebtSecurities


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-31
Value0.00.00.00.0020.00.00.00.00.00.0
Percentage of AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedLossBeforeTax0.00.00.00.10.00.00.00.00.00.0

us-gaap:USGovernmentSponsoredEnterprisesDebtSecurities


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-31
Value0.00.00.4190.4570.4941.6042.7084.8134.1592.066
Percentage of AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedLossBeforeTax0.00.017.314.811.416.419.222.223.623.3

us-gaap:AvailableForSaleDebtSecuritiesAmortizedCostBasis

us-gaap:AvailableForSaleDebtSecuritiesAmortizedCostBasis


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-312016-12-312015-12-31
Value421493573662635555515529544580631608
Percentage of AvailableForSaleDebtSecuritiesAmortizedCostBasis100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:AvailableForSaleDebtSecuritiesAmortizedCostBasis us-gaap:FinancialInstrument

trst:SmallBusinessAdministrationGuaranteedParticipationSecurities


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-31
Value44464851535658616368
Percentage of AvailableForSaleDebtSecuritiesAmortizedCostBasis10.69.48.57.78.410.111.311.611.811.9

us-gaap:CorporateBondSecurities


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-31
Value53473040403030303040
Percentage of AvailableForSaleDebtSecuritiesAmortizedCostBasis12.69.75.36.16.35.45.85.75.56.9

us-gaap:MortgageBackedSecurities


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-31
Value323343388405356318271282294330
Percentage of AvailableForSaleDebtSecuritiesAmortizedCostBasis76.669.667.861.256.057.452.653.354.156.9

us-gaap:USGovernmentSponsoredEnterprisesDebtSecurities


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-31
Value0.054104164184149154154154139
Percentage of AvailableForSaleDebtSecuritiesAmortizedCostBasis0.011.118.324.929.127.030.029.228.424.1

us-gaap:USStatesAndPoliticalSubdivisions


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-31
Value0.110.110.160.1660.1660.1680.1680.1740.5150.515
Percentage of AvailableForSaleDebtSecuritiesAmortizedCostBasis0.00.00.00.00.00.00.00.00.10.1

us-gaap:AvailableForSaleSecuritiesAccumulatedGrossUnrealizedGainLossBeforeTax

us-gaap:AvailableForSaleSecuritiesAccumulatedGrossUnrealizedGainLossBeforeTax


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302016-12-31
Value109.5771414114.588-5.328-12.908-8.83-7.162.5245.464.522-3.784
Percentage of AvailableForSaleSecuritiesAccumulatedGrossUnrealizedGainLossBeforeTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:AvailableForSaleSecuritiesDebtMaturitiesWithoutSingleMaturityDateAmortizedCost us-gaap:FinancialInstrument

us-gaap:AvailableForSaleSecuritiesDebtMaturitiesWithoutSingleMaturityDateAmortizedCost

trst:SmallBusinessAdministrationGuaranteedParticipationSecurities


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-30
Value444648515356586163
Percentage of AvailableForSaleSecuritiesDebtMaturitiesWithoutSingleMaturityDateAmortizedCost100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:MortgageBackedSecurities


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-30
Value323343388405356318271282294
Percentage of AvailableForSaleSecuritiesDebtMaturitiesWithoutSingleMaturityDateAmortizedCost722.8739.7793.1795.2666.2568.8464.9459.5460.0

us-gaap:AvailableForSaleSecuritiesDebtMaturitiesWithoutSingleMaturityDateFairValue us-gaap:FinancialInstrument

us-gaap:AvailableForSaleSecuritiesDebtMaturitiesWithoutSingleMaturityDateFairValue

trst:SmallBusinessAdministrationGuaranteedParticipationSecurities


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-30
Value454648505354565761
Percentage of AvailableForSaleSecuritiesDebtMaturitiesWithoutSingleMaturityDateFairValue100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:MortgageBackedSecurities


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-30
Value331352389406354312262269283
Percentage of AvailableForSaleSecuritiesDebtMaturitiesWithoutSingleMaturityDateFairValue720.6752.8802.9796.9668.1578.3464.0464.8457.8

us-gaap:AvailableForSaleSecuritiesDebtSecurities

us-gaap:AvailableForSaleSecuritiesDebtSecurities


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-312016-12-312015-12-31
Value432503573662633546501507527571620601
Percentage of AvailableForSaleSecuritiesDebtSecurities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:AvailableForSaleSecuritiesDebtSecurities us-gaap:FairValueByFairValueHierarchyLevel

us-gaap:FairValueInputsLevel1


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-31
Value0.00.00.00.00.00.00.00.00.0350.035
Percentage of AvailableForSaleSecuritiesDebtSecurities0.00.00.00.00.00.00.00.00.00.0

us-gaap:FairValueInputsLevel2


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-31
Value432503573662633546501507526571
Percentage of AvailableForSaleSecuritiesDebtSecurities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:AvailableForSaleSecuritiesDebtSecurities us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementFrequency

us-gaap:FairValueInputsLevel2, us-gaap:FairValueMeasurementsRecurring


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-31
Value432503573662633546501507527571
Percentage of AvailableForSaleSecuritiesDebtSecurities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:AvailableForSaleSecuritiesDebtSecurities us-gaap:FairValueByMeasurementBasis

us-gaap:CarryingReportedAmountFairValueDisclosure


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-31
Value432503573662633546501507527571
Percentage of AvailableForSaleSecuritiesDebtSecurities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:AvailableForSaleSecuritiesDebtSecurities us-gaap:FairValueByMeasurementBasis, us-gaap:FairValueByMeasurementFrequency

us-gaap:CarryingReportedAmountFairValueDisclosure, us-gaap:FairValueMeasurementsRecurring


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-31
Value432503573662633546501507527571
Percentage of AvailableForSaleSecuritiesDebtSecurities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:AvailableForSaleSecuritiesDebtSecurities us-gaap:FinancialInstrument

trst:SmallBusinessAdministrationGuaranteedParticipationSecurities


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-31
Value45464850535456576167
Percentage of AvailableForSaleSecuritiesDebtSecurities10.69.38.57.78.49.911.311.411.711.7

us-gaap:CorporateBondSecurities


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-31
Value54483040403029292940
Percentage of AvailableForSaleSecuritiesDebtSecurities12.69.75.36.16.45.56.05.95.77.0

us-gaap:MortgageBackedSecurities


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-31
Value331352389406354312262269283325
Percentage of AvailableForSaleSecuritiesDebtSecurities76.670.067.961.356.057.352.353.053.756.9

us-gaap:OtherDebtSecurities


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-31
Value0.6850.6850.6850.6830.6850.6850.6850.6850.6850.685
Percentage of AvailableForSaleSecuritiesDebtSecurities0.20.10.10.10.10.10.10.10.10.1

us-gaap:USGovernmentSponsoredEnterprisesDebtSecurities


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-31
Value0.054104164184148152150150137
Percentage of AvailableForSaleSecuritiesDebtSecurities0.010.918.224.829.127.130.329.528.624.1

us-gaap:USStatesAndPoliticalSubdivisions


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-31
Value0.1110.1120.1620.1690.170.1720.1730.180.5240.525
Percentage of AvailableForSaleSecuritiesDebtSecurities0.00.00.00.00.00.00.00.00.10.1

us-gaap:Capital us-gaap:ConsolidatedEntities

us-gaap:Capital

srt:ParentCompany


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312017-12-31
Value577571568560551542533491
Percentage of Capital100.0100.0100.0100.0100.0100.0100.0100.0

srt:Subsidiaries


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312017-12-31
Value563558551544536526517476
Percentage of Capital97.697.697.197.197.297.297.297.0

us-gaap:CapitalRequiredForCapitalAdequacyToRiskWeightedAssets us-gaap:ConsolidatedEntities

us-gaap:CapitalRequiredForCapitalAdequacyToRiskWeightedAssets

srt:ParentCompany


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312017-12-31
Value0.1050.1050.1050.1050.1050.1050.09880.0925
Percentage of CapitalRequiredForCapitalAdequacyToRiskWeightedAssets100.0100.0100.0100.0100.0100.0100.0100.0

srt:Subsidiaries


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312017-12-31
Value0.1050.1050.1050.1050.1050.1050.09880.0925
Percentage of CapitalRequiredForCapitalAdequacyToRiskWeightedAssets100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:CashAndDueFromBanks

us-gaap:CashAndDueFromBanks


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302011-12-31
Value44434849424349424039444143414842393741423744434348464645403955403644
Percentage of CashAndDueFromBanks100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:CommonEquityTierOneCapital us-gaap:ConsolidatedEntities

us-gaap:CommonEquityTierOneCapital

srt:ParentCompany


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312017-12-31
Value540536533525516508499459
Percentage of CommonEquityTierOneCapital100.0100.0100.0100.0100.0100.0100.0100.0

srt:Subsidiaries


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312017-12-31
Value527522516509501492484444
Percentage of CommonEquityTierOneCapital97.597.496.996.997.197.097.096.8

us-gaap:CommonEquityTierOneCapitalRatio us-gaap:ConsolidatedEntities

us-gaap:CommonEquityTierOneCapitalRatio

srt:ParentCompany


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312017-12-31
Value0.187940.189430.189880.187670.187770.188560.18790.1802
Percentage of CommonEquityTierOneCapitalRatio100.0100.0100.0100.0100.0100.0100.0100.0

srt:Subsidiaries


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312017-12-31
Value0.18320.18470.184120.182020.182360.182990.182330.1746
Percentage of CommonEquityTierOneCapitalRatio97.597.597.097.097.197.097.096.9

us-gaap:DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPosition12MonthsOrLonger

us-gaap:DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPosition12MonthsOrLonger


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-31
Value4.8039.233243267390428438419400481
Percentage of DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPosition12MonthsOrLonger100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPosition12MonthsOrLonger us-gaap:FinancialInstrument

us-gaap:CorporateBondSecurities


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-31
Value4.8034.8430.00.00.00.09.9959.9929.98440
Percentage of DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPosition12MonthsOrLonger100.052.50.00.00.00.02.32.42.58.3

us-gaap:MortgageBackedSecurities


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-31
Value0.04.39169192243251259259247276
Percentage of DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPosition12MonthsOrLonger0.047.569.472.162.258.659.262.061.657.4

us-gaap:DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPosition12MonthsOrLongerAccumulatedLoss

us-gaap:DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPosition12MonthsOrLongerAccumulatedLoss


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-31
Value0.1970.1651.2192.2244.149.4521319158.224
Percentage of DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPosition12MonthsOrLongerAccumulatedLoss100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPosition12MonthsOrLongerAccumulatedLoss us-gaap:FinancialInstrument

us-gaap:CorporateBondSecurities


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-31
Value0.1970.1580.00.00.00.00.0120.0380.0670.108
Percentage of DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPosition12MonthsOrLongerAccumulatedLoss100.095.80.00.00.00.00.10.20.41.3

us-gaap:MortgageBackedSecurities


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-31
Value0.00.0070.981.8523.3045.9019.39612104.454
Percentage of DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPosition12MonthsOrLongerAccumulatedLoss0.04.280.483.379.862.467.564.966.854.2

us-gaap:DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12Months

us-gaap:DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12Months


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-31
Value3.230.01401363832458111877
Percentage of DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12Months100.00.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12Months us-gaap:FinancialInstrument

us-gaap:CorporateBondSecurities


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-31
Value0.00.04.90514144.871414140.0
Percentage of DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12Months0.00.03.510.838.315.032.518.412.70.0

us-gaap:MortgageBackedSecurities


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-31
Value3.230.067534.025271.1028.0613448
Percentage of DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12Months100.00.047.939.210.485.02.49.929.361.8

us-gaap:DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12MonthsAccumulatedLoss

us-gaap:DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12MonthsAccumulatedLoss


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-31
Value13000.001201000.0858000.0193000.0345000.0215000.01722000.02451000.0637000.0
Percentage of DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12MonthsAccumulatedLoss100.00.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12MonthsAccumulatedLoss us-gaap:FinancialInstrument

us-gaap:CorporateBondSecurities


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-31
Value0095000.0277000.0108000.0130000.098000.075000.088000.00
Percentage of DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12MonthsAccumulatedLoss0.00.07.932.356.037.745.64.43.60.0

us-gaap:MortgageBackedSecurities


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-31
Value13000.00446000.0360000.024000.0215000.011000.0266000.01061000.0371000.0
Percentage of DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12MonthsAccumulatedLoss100.00.037.142.012.462.35.115.443.358.2

us-gaap:DebtSecuritiesAvailableForSaleUnrealizedLossPosition

us-gaap:DebtSecuritiesAvailableForSaleUnrealizedLossPosition


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-31
Value8.0339.233384403429461484500519559
Percentage of DebtSecuritiesAvailableForSaleUnrealizedLossPosition100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DebtSecuritiesAvailableForSaleUnrealizedLossPosition us-gaap:FinancialInstrument

us-gaap:CorporateBondSecurities


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-31
Value4.8034.8434.90514144.8724242440
Percentage of DebtSecuritiesAvailableForSaleUnrealizedLossPosition59.852.51.33.63.51.15.15.04.87.2

us-gaap:MortgageBackedSecurities


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-31
Value3.234.39236246247278260267281324
Percentage of DebtSecuritiesAvailableForSaleUnrealizedLossPosition40.247.561.561.057.660.553.853.554.358.0

us-gaap:DebtSecuritiesAvailableForSaleUnrealizedLossPositionAccumulatedLoss

us-gaap:DebtSecuritiesAvailableForSaleUnrealizedLossPositionAccumulatedLoss


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-31
Value0.210.1652.423.0824.3339.7971421178.861
Percentage of DebtSecuritiesAvailableForSaleUnrealizedLossPositionAccumulatedLoss100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DebtSecuritiesAvailableForSaleUnrealizedLossPositionAccumulatedLoss us-gaap:FinancialInstrument

us-gaap:CorporateBondSecurities


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-31
Value0.1970.1580.0950.2770.1080.130.110.1130.1550.108
Percentage of DebtSecuritiesAvailableForSaleUnrealizedLossPositionAccumulatedLoss93.895.83.99.02.51.30.80.50.91.2

us-gaap:MortgageBackedSecurities


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-31
Value0.0130.0071.4262.2123.3286.1169.40713114.825
Percentage of DebtSecuritiesAvailableForSaleUnrealizedLossPositionAccumulatedLoss6.24.258.971.876.862.466.661.063.554.5

us-gaap:DemandDepositAccounts

us-gaap:DemandDepositAccounts


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312015-12-31
Value612480463453432408405403404403398397390373377365
Percentage of DemandDepositAccounts100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:Deposits

us-gaap:Deposits


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302010-12-31
Value48654481445044614462441342744199425542354173416542084198419641684180414241004096413741174032398539953987392738943892385738043776389838513735368036523554
Percentage of Deposits100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DepositsMoneyMarketDeposits

us-gaap:DepositsMoneyMarketDeposits


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302010-12-31
Value666617599570562538507501512539556564572583571566577595610617633640638655651648648650634656667668644631635642638602
Percentage of DepositsMoneyMarketDeposits100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DepositsNegotiableOrderOfWithdrawalNOW

us-gaap:DepositsNegotiableOrderOfWithdrawalNOW


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302010-12-31
Value1001895875869888895904918925915891862871838815785766746754719713696682646643628611591591579560536528507489472461441
Percentage of DepositsNegotiableOrderOfWithdrawalNOW100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DepositsSavingsDeposits

us-gaap:DepositsSavingsDeposits


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302011-12-31
Value119111221113111011321150118212211257126612601265128512871271127712821272126212371250123712161215123312361218122112281213119811671122978
Percentage of DepositsSavingsDeposits100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:FederalHomeLoanBankStockAndFederalReserveBankStock

us-gaap:FederalHomeLoanBankStockAndFederalReserveBankStock


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302011-12-31
Value5.5069.1839.1839.1839.1838.9538.9538.9538.9538.7798.7798.7799.7239.5799.5799.5799.5799.489.489.489.489.2289.2289.22810101010109.6329.6329.6329.004
Percentage of FederalHomeLoanBankStockAndFederalReserveBankStock100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:FinancingReceivableAllowanceForCreditLossesCollectivelyEvaluatedForImpairment

us-gaap:FinancingReceivableAllowanceForCreditLossesCollectivelyEvaluatedForImpairment


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302011-12-31
Value48464444444444444444444444444343444444454545464646474747474747474848
Percentage of FinancingReceivableAllowanceForCreditLossesCollectivelyEvaluatedForImpairment100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:FinancingReceivableAllowanceForCreditLossesCollectivelyEvaluatedForImpairment us-gaap:FinancingReceivablePortfolioSegment

us-gaap:CommercialPortfolioSegment


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302014-12-31
Value4.3663.963.9993.8713.9133.7344.0484.1324.1954.2554.3244.624.5964.814.9295.1985.0464.9194.4914.0564.0224.071
Percentage of FinancingReceivableAllowanceForCreditLossesCollectivelyEvaluatedForImpairment9.18.69.08.78.88.49.09.29.49.69.810.510.410.911.211.811.511.110.09.08.88.8

us-gaap:ConsumerLoan


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302014-12-31
Value0.5040.5520.570.5520.4890.9520.9460.9030.8370.7650.7690.7260.6950.6570.730.6850.4290.4620.5180.4460.4620.168
Percentage of FinancingReceivableAllowanceForCreditLossesCollectivelyEvaluatedForImpairment1.01.21.31.21.12.12.12.01.91.71.71.61.61.51.71.61.01.01.21.01.00.4

us-gaap:ResidentialMortgage


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302014-12-31
Value43413939393939393939393838383838383939404142
Percentage of FinancingReceivableAllowanceForCreditLossesCollectivelyEvaluatedForImpairment89.990.289.790.090.189.588.888.788.788.788.587.988.087.687.186.687.687.988.890.090.290.8

us-gaap:FinancingReceivableCollectivelyEvaluatedForImpairment

us-gaap:FinancingReceivableCollectivelyEvaluatedForImpairment


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302011-12-31
Value4157407940413964388538393851380337193642361235533481342334063362331832753267325432163167313130552978291328792808273726772658258125402507
Percentage of FinancingReceivableCollectivelyEvaluatedForImpairment100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:FinancingReceivableCollectivelyEvaluatedForImpairment us-gaap:FinancingReceivablePortfolioSegment

us-gaap:CommercialPortfolioSegment


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302014-12-31
Value230194198190188188194189189183183184179182188187192195200204205219
Percentage of FinancingReceivableCollectivelyEvaluatedForImpairment5.54.84.94.84.94.95.15.05.15.05.15.25.15.35.55.65.86.06.16.36.47.0

us-gaap:ConsumerLoan


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302014-12-31
Value101011109.51412119.9679.3098.4138.7638.2788.4588.2778.8188.5158.4768.6679.3918.938.6747.594
Percentage of FinancingReceivableCollectivelyEvaluatedForImpairment0.20.30.30.30.20.30.30.30.30.20.20.20.20.20.30.30.30.30.30.30.30.2

us-gaap:ResidentialMortgage


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302014-12-31
Value3917387338323762368736383645360435203450341933613294323332083167311630713057304130012904
Percentage of FinancingReceivableCollectivelyEvaluatedForImpairment94.295.094.894.994.994.894.694.894.694.794.794.694.694.494.294.293.993.893.693.493.392.8

us-gaap:FinancingReceivableIndividuallyEvaluatedForImpairment

us-gaap:FinancingReceivableIndividuallyEvaluatedForImpairment


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302011-12-31
Value20202020202122222124242425252424252525272625262727272926252626241913
Percentage of FinancingReceivableIndividuallyEvaluatedForImpairment100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:FinancingReceivableIndividuallyEvaluatedForImpairment us-gaap:FinancingReceivablePortfolioSegment

us-gaap:CommercialPortfolioSegment


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302014-12-31
Value1.0451.1151.4371.5211.6961.4671.4241.9611.1331.9232.2482.9694.0082.4222.4182.6382.9663.043.3063.9843.5514.129
Percentage of FinancingReceivableIndividuallyEvaluatedForImpairment5.15.56.97.38.26.96.48.75.27.99.312.115.59.510.110.611.811.812.814.713.315.6

us-gaap:ResidentialMortgage


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302014-12-31
Value19191919191920202022222121222122222222232322
Percentage of FinancingReceivableIndividuallyEvaluatedForImpairment94.994.593.192.791.893.193.691.394.892.190.787.984.590.589.989.488.288.287.285.386.784.4

us-gaap:FinancingReceivableModificationsRecordedInvestment us-gaap:FinancingReceivablePortfolioSegment, us-gaap:LoanRestructuringModification

us-gaap:FinancingReceivableModificationsRecordedInvestment

us-gaap:CommercialPortfolioSegment, us-gaap:PaymentDeferral


None
Period End2020-06-302020-03-31
Value454.1
Percentage of FinancingReceivableModificationsRecordedInvestment100.0100.0

us-gaap:ResidentialMortgage, us-gaap:PaymentDeferral


None
Period End2020-06-302020-03-31
Value1450.808
Percentage of FinancingReceivableModificationsRecordedInvestment322.219.7

us-gaap:FinancingReceivableModificationsRecordedInvestment us-gaap:LoanRestructuringModification

us-gaap:PaymentDeferral


None
Period End2020-06-302020-03-31
Value1904.9
Percentage of FinancingReceivableModificationsRecordedInvestment422.2119.5

us-gaap:FinancingReceivableRecordedInvestmentCurrent

us-gaap:FinancingReceivableRecordedInvestmentCurrent


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312011-12-31
Value41584078404339643885383838503803371836463614355434853427340333643320327732673255321531623125304829692897286927932719265626362464
Percentage of FinancingReceivableRecordedInvestmentCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:FinancingReceivableRecordedInvestmentCurrent us-gaap:FinancingReceivablePortfolioSegment

us-gaap:ConsumerLoan


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302014-12-31
Value9.9241010109.43112119.8669.2018.3428.6418.28.3668.2088.7018.4138.3788.5129.2288.7418.5727.43
Percentage of FinancingReceivableRecordedInvestmentCurrent0.20.30.30.30.20.30.30.30.20.20.20.20.20.20.30.30.30.30.30.30.30.2

us-gaap:FinancingReceivableRecordedInvestmentCurrent us-gaap:FinancingReceivablePortfolioSegment, us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable

us-gaap:CommercialPortfolioSegment, trst:CommercialOtherReceivable


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302014-12-31
Value59191919222224242523242122222722232427222329
Percentage of FinancingReceivableRecordedInvestmentCurrent1.40.50.50.50.60.60.60.60.70.70.70.60.60.70.80.70.70.80.80.70.70.9

us-gaap:CommercialPortfolioSegment, us-gaap:CommercialRealEstate


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302014-12-31
Value170175179172167167170165164159160163158160161164169172173183183190
Percentage of FinancingReceivableRecordedInvestmentCurrent4.14.34.44.34.34.44.44.44.44.44.44.64.64.74.84.95.15.35.35.65.76.1

us-gaap:ResidentialMortgage, us-gaap:FirstMortgage


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302014-12-31
Value3582352134793402332132673268322531413073303429742905283928012757270226562639262625882491
Percentage of FinancingReceivableRecordedInvestmentCurrent86.186.486.185.885.585.184.984.884.584.384.083.783.482.882.382.081.481.180.880.780.579.7

us-gaap:ResidentialMortgage, us-gaap:HomeEquity


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302014-12-31
Value252263266270275278286291292299306309313323332340349353356354352349
Percentage of FinancingReceivableRecordedInvestmentCurrent6.16.56.66.87.17.37.47.77.98.28.58.79.09.49.810.110.510.810.910.911.011.2

us-gaap:ResidentialMortgage, us-gaap:HomeEquityLoan


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302014-12-31
Value83868789908988868481807776737170666160595857
Percentage of FinancingReceivableRecordedInvestmentCurrent2.02.12.22.32.32.32.32.32.32.22.22.22.22.12.12.12.01.91.81.81.81.8

us-gaap:FinancingReceivableRecordedInvestmentCurrent us-gaap:StatementGeographical

stpr:FL


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312017-12-31
Value111610671037991953926924838
Percentage of FinancingReceivableRecordedInvestmentCurrent26.926.225.725.024.524.124.023.2

trst:NewYorkAndOtherStates


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312017-12-31
Value30413010300529732932291129262775
Percentage of FinancingReceivableRecordedInvestmentCurrent73.173.874.375.075.575.976.076.8

us-gaap:FinancingReceivableRecordedInvestmentCurrent us-gaap:StatementGeographical, us-gaap:FinancingReceivablePortfolioSegment

stpr:FL, us-gaap:ConsumerLoan


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312017-12-31
Value2.0692.3112.2952.1451.912.5122.2061.588
Percentage of FinancingReceivableRecordedInvestmentCurrent0.00.10.10.10.00.10.10.0

trst:NewYorkAndOtherStates, us-gaap:ConsumerLoan


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312017-12-31
Value7.8558.3368.6588.4857.5219.99.3877.053
Percentage of FinancingReceivableRecordedInvestmentCurrent0.20.20.20.20.20.30.20.2

us-gaap:FinancingReceivableRecordedInvestmentCurrent us-gaap:StatementGeographical, us-gaap:FinancingReceivablePortfolioSegment, us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable

stpr:FL, us-gaap:CommercialPortfolioSegment, trst:CommercialOtherReceivable


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312017-12-31
Value0.3650.3750.2350.2640.2730.2470.2630.709
Percentage of FinancingReceivableRecordedInvestmentCurrent0.00.00.00.00.00.00.00.0

stpr:FL, us-gaap:CommercialPortfolioSegment, us-gaap:CommercialRealEstate


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312017-12-31
Value1717171414151512
Percentage of FinancingReceivableRecordedInvestmentCurrent0.40.40.40.40.40.40.40.3

stpr:FL, us-gaap:ResidentialMortgage, us-gaap:FirstMortgage


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312017-12-31
Value1031980952911874846843764
Percentage of FinancingReceivableRecordedInvestmentCurrent24.824.023.623.022.522.021.921.1

stpr:FL, us-gaap:ResidentialMortgage, us-gaap:HomeEquity


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312017-12-31
Value4848464543434545
Percentage of FinancingReceivableRecordedInvestmentCurrent1.21.21.11.11.11.11.21.3

stpr:FL, us-gaap:ResidentialMortgage, us-gaap:HomeEquityLoan


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312017-12-31
Value1718181818181713
Percentage of FinancingReceivableRecordedInvestmentCurrent0.40.40.50.50.50.50.40.4

trst:NewYorkAndOtherStates, us-gaap:CommercialPortfolioSegment, trst:CommercialOtherReceivable


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312017-12-31
Value5919191822212423
Percentage of FinancingReceivableRecordedInvestmentCurrent1.40.50.50.50.60.60.60.7

trst:NewYorkAndOtherStates, us-gaap:CommercialPortfolioSegment, us-gaap:CommercialRealEstate


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312017-12-31
Value153158161157153152155147
Percentage of FinancingReceivableRecordedInvestmentCurrent3.73.94.04.03.94.04.04.1

trst:NewYorkAndOtherStates, us-gaap:ResidentialMortgage, us-gaap:FirstMortgage


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312017-12-31
Value25502541252624912446242124252270
Percentage of FinancingReceivableRecordedInvestmentCurrent61.362.362.562.863.063.163.062.8

trst:NewYorkAndOtherStates, us-gaap:ResidentialMortgage, us-gaap:HomeEquity


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312017-12-31
Value204215219225231234240260
Percentage of FinancingReceivableRecordedInvestmentCurrent4.95.35.45.75.96.16.37.2

trst:NewYorkAndOtherStates, us-gaap:ResidentialMortgage, us-gaap:HomeEquityLoan


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312017-12-31
Value6568697071717166
Percentage of FinancingReceivableRecordedInvestmentCurrent1.61.71.71.81.81.91.81.8

us-gaap:FinancingReceivableRecordedInvestmentNonaccrualStatus

us-gaap:FinancingReceivableRecordedInvestmentNonaccrualStatus


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312011-12-31
Value2120202022242423242424242426252528302831323333364044434143495248
Percentage of FinancingReceivableRecordedInvestmentNonaccrualStatus100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:FinancingReceivableRecordedInvestmentNonaccrualStatus us-gaap:FinancingReceivablePortfolioSegment

us-gaap:ConsumerLoan


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302014-12-31
Value0.0060.0240.0030.0130.0010.0260.0190.0260.0060.0230.0570.030.0250.0410.0480.070.0490.0740.0980.0780.0890.09
Percentage of FinancingReceivableRecordedInvestmentNonaccrualStatus0.00.10.00.10.00.10.10.10.00.10.20.10.10.20.20.30.20.20.30.20.30.3

us-gaap:FinancingReceivableRecordedInvestmentNonaccrualStatus us-gaap:FinancingReceivablePortfolioSegment, us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable

us-gaap:CommercialPortfolioSegment, trst:CommercialOtherReceivable


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312015-12-312015-09-302015-06-302014-12-31
Value0.1130.1130.0830.0360.0030.0050.0060.2810.1080.1130.10.10.10.10.00.00.00.0030.0
Percentage of FinancingReceivableRecordedInvestmentNonaccrualStatus0.50.50.40.20.00.00.01.20.40.50.40.40.40.40.00.00.00.00.0

us-gaap:CommercialPortfolioSegment, us-gaap:CommercialRealEstate


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302014-12-31
Value0.4580.5170.7330.8520.9020.6960.6390.6470.6591.11.4431.5961.6111.7581.8432.3662.692.7623.0243.6993.263.835
Percentage of FinancingReceivableRecordedInvestmentNonaccrualStatus2.12.53.54.14.12.82.62.72.74.45.96.56.66.77.49.19.59.110.711.610.111.3

us-gaap:ResidentialMortgage, us-gaap:FirstMortgage


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302014-12-31
Value18161616171920181919181819201919212320242526
Percentage of FinancingReceivableRecordedInvestmentNonaccrualStatus83.582.180.978.678.080.280.279.981.479.477.776.677.879.277.576.577.576.874.476.479.077.1

us-gaap:ResidentialMortgage, us-gaap:HomeEquity


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302014-12-31
Value2.8942.8762.9023.2523.6043.84.0273.623.5153.6663.7333.9743.6553.5533.6463.5193.4834.0483.9023.5993.1743.481
Percentage of FinancingReceivableRecordedInvestmentNonaccrualStatus13.213.913.915.516.315.416.115.214.614.815.316.214.913.514.613.612.413.413.811.39.810.3

us-gaap:ResidentialMortgage, us-gaap:HomeEquityLoan


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302014-12-31
Value0.150.1870.2660.3370.3420.3630.2470.1990.2010.20.0930.0350.0480.0460.0950.1390.1320.1390.2120.1540.2840.349
Percentage of FinancingReceivableRecordedInvestmentNonaccrualStatus0.70.91.31.61.51.51.00.80.80.80.40.10.20.20.40.50.50.50.80.50.91.0

us-gaap:FinancingReceivableRecordedInvestmentNonaccrualStatus us-gaap:StatementGeographical

stpr:FL


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312017-12-31
Value1.1111.4921.6141.8091.5641.6441.932.389
Percentage of FinancingReceivableRecordedInvestmentNonaccrualStatus5.17.27.78.67.16.77.79.8

trst:NewYorkAndOtherStates


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312017-12-31
Value2019191920232321
Percentage of FinancingReceivableRecordedInvestmentNonaccrualStatus94.992.892.391.492.993.392.390.2

us-gaap:FinancingReceivableRecordedInvestmentNonaccrualStatus us-gaap:StatementGeographical, us-gaap:FinancingReceivablePortfolioSegment

stpr:FL, us-gaap:ConsumerLoan


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312017-12-31
Value0.00.00.00.00.00.00.0150.0
Percentage of FinancingReceivableRecordedInvestmentNonaccrualStatus0.00.00.00.00.00.00.10.0

trst:NewYorkAndOtherStates, us-gaap:ConsumerLoan


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312017-12-31
Value0.0060.0240.0030.0130.0010.0260.0040.057
Percentage of FinancingReceivableRecordedInvestmentNonaccrualStatus0.00.10.00.10.00.10.00.2

us-gaap:FinancingReceivableRecordedInvestmentNonaccrualStatus us-gaap:StatementGeographical, us-gaap:FinancingReceivablePortfolioSegment, us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable

stpr:FL, us-gaap:ResidentialMortgage, us-gaap:FirstMortgage


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312017-12-31
Value0.9291.2581.4681.681.4331.5421.8122.259
Percentage of FinancingReceivableRecordedInvestmentNonaccrualStatus4.26.17.08.06.56.27.39.3

stpr:FL, us-gaap:ResidentialMortgage, us-gaap:HomeEquity


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312017-12-31
Value0.1340.1860.0980.1290.1310.1020.1030.13
Percentage of FinancingReceivableRecordedInvestmentNonaccrualStatus0.60.90.50.60.60.40.40.5

stpr:FL, us-gaap:ResidentialMortgage, us-gaap:HomeEquityLoan


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312017-12-31
Value0.0480.0480.0480.00.00.00.00.0
Percentage of FinancingReceivableRecordedInvestmentNonaccrualStatus0.20.20.20.00.00.00.00.0

trst:NewYorkAndOtherStates, us-gaap:CommercialPortfolioSegment, trst:CommercialOtherReceivable


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312017-12-31
Value0.1130.1130.0830.0360.0030.0050.0060.1
Percentage of FinancingReceivableRecordedInvestmentNonaccrualStatus0.50.50.40.20.00.00.00.4

trst:NewYorkAndOtherStates, us-gaap:CommercialPortfolioSegment, us-gaap:CommercialRealEstate


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312017-12-31
Value0.4580.5170.7330.8520.9020.6960.6391.443
Percentage of FinancingReceivableRecordedInvestmentNonaccrualStatus2.12.53.54.14.12.82.65.9

trst:NewYorkAndOtherStates, us-gaap:ResidentialMortgage, us-gaap:FirstMortgage


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312017-12-31
Value1715151415181816
Percentage of FinancingReceivableRecordedInvestmentNonaccrualStatus79.276.073.870.671.674.072.968.4

trst:NewYorkAndOtherStates, us-gaap:ResidentialMortgage, us-gaap:HomeEquity


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312017-12-31
Value2.762.692.8043.1233.4733.6983.9243.603
Percentage of FinancingReceivableRecordedInvestmentNonaccrualStatus12.613.013.514.915.715.015.714.8

trst:NewYorkAndOtherStates, us-gaap:ResidentialMortgage, us-gaap:HomeEquityLoan


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312017-12-31
Value0.1020.1390.2180.3370.3420.3630.2470.093
Percentage of FinancingReceivableRecordedInvestmentNonaccrualStatus0.50.71.01.61.51.51.00.4

us-gaap:FinancingReceivableRecordedInvestmentPastDue

us-gaap:FinancingReceivableRecordedInvestmentPastDue


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312011-12-31
Value1921192020222322222022232221272323242526273032343643394142464857
Percentage of FinancingReceivableRecordedInvestmentPastDue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:HeldToMaturitySecurities

us-gaap:HeldToMaturitySecurities


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302010-12-31
Value1617181920212223242627294143454850535659636770747782869198117143155168178216194154191
Percentage of HeldToMaturitySecurities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:HeldToMaturitySecurities us-gaap:FinancialInstrument

us-gaap:MortgageBackedSecurities


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-31
Value16171819202122232427
Percentage of HeldToMaturitySecurities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:HeldToMaturitySecuritiesAccumulatedUnrecognizedHoldingGain

us-gaap:HeldToMaturitySecuritiesAccumulatedUnrecognizedHoldingGain


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302013-12-31
Value1245000.01315000.01062000.01131000.0961000.0710000.0577000.0601000.0700000.0882000.01150000.01463000.01595000.01745000.02036000.02961000.03206000.03134000.02974000.03898000.04146000.04415000.04396000.04514000.04969000.04228000.0
Percentage of HeldToMaturitySecuritiesAccumulatedUnrecognizedHoldingGain100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:HeldToMaturitySecuritiesAccumulatedUnrecognizedHoldingGain us-gaap:FinancialInstrument

us-gaap:MortgageBackedSecurities


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-31
Value1245000.01315000.01062000.01131000.0961000.0710000.0577000.0601000.0700000.01150000.0
Percentage of HeldToMaturitySecuritiesAccumulatedUnrecognizedHoldingGain100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:HeldToMaturitySecuritiesAccumulatedUnrecognizedHoldingLoss

us-gaap:HeldToMaturitySecuritiesAccumulatedUnrecognizedHoldingLoss


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302013-12-31
Value00005000.036000.0154000.0214000.0127000.062000.0000000000000000138000.0
Percentage of HeldToMaturitySecuritiesAccumulatedUnrecognizedHoldingLoss0.00.00.00.0100.0100.0100.0100.0100.0100.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0100.0

us-gaap:HeldToMaturitySecuritiesAccumulatedUnrecognizedHoldingLoss us-gaap:FinancialInstrument

us-gaap:MortgageBackedSecurities


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-31
Value00005000.036000.0154000.0214000.0127000.00
Percentage of HeldToMaturitySecuritiesAccumulatedUnrecognizedHoldingLoss0.00.00.00.0100.0100.0100.0100.0100.00.0

us-gaap:HeldToMaturitySecuritiesContinuousUnrealizedLossPositionAccumulatedLoss

us-gaap:HeldToMaturitySecuritiesContinuousUnrealizedLossPositionAccumulatedLoss


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312013-12-31
Value00005000.036000.0154000.0214000.0127000.062000.00138000.0
Percentage of HeldToMaturitySecuritiesContinuousUnrealizedLossPositionAccumulatedLoss0.00.00.00.0100.0100.0100.0100.0100.0100.00.0100.0

us-gaap:HeldToMaturitySecuritiesFairValue

us-gaap:HeldToMaturitySecuritiesFairValue


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302010-12-31
Value171919202122222325262830424547505356596367717578828690951031251511651771870.22444201200
Percentage of HeldToMaturitySecuritiesFairValue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:HeldToMaturitySecuritiesFairValue us-gaap:FinancialInstrument

us-gaap:MortgageBackedSecurities


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-31
Value17191920212222232528
Percentage of HeldToMaturitySecuritiesFairValue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ImpairedFinancingReceivableRecordedInvestment

us-gaap:ImpairedFinancingReceivableRecordedInvestment


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302011-12-312010-12-31
Value2020202020212222212424242525242425252527262526272727292625262624191314
Percentage of ImpairedFinancingReceivableRecordedInvestment100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ImpairedFinancingReceivableRecordedInvestment us-gaap:FinancingReceivablePortfolioSegment, us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable

us-gaap:CommercialPortfolioSegment, trst:CommercialOtherReceivable


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302014-12-31
Value0.1450.1450.1150.0680.0350.0370.0380.3130.1390.2130.10.10.10.10.00.00.00.00.00.00.0030.0
Percentage of ImpairedFinancingReceivableRecordedInvestment0.70.70.50.30.20.20.21.40.60.90.40.40.40.40.00.00.00.00.00.00.00.0

us-gaap:CommercialPortfolioSegment, us-gaap:CommercialRealEstate


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302014-12-31
Value0.90.971.3221.4531.6611.431.3861.6480.9941.712.1482.8693.9082.3222.4182.6382.9663.043.3063.9843.5484.129
Percentage of ImpairedFinancingReceivableRecordedInvestment4.44.86.36.98.06.86.27.34.67.08.811.715.29.110.110.611.811.812.814.713.315.6

us-gaap:ResidentialMortgage, us-gaap:FirstMortgage


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302014-12-31
Value16161616161617171718181818191819191919191918
Percentage of ImpairedFinancingReceivableRecordedInvestment81.681.380.678.877.580.178.576.779.577.276.474.872.978.377.877.876.976.074.373.474.671.1

us-gaap:ResidentialMortgage, us-gaap:HomeEquity


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302014-12-31
Value2.482.4532.4042.6282.6462.4133.0252.9542.9593.2933.1162.8652.6292.7282.562.5142.5142.7742.9432.7632.683.116
Percentage of ImpairedFinancingReceivableRecordedInvestment12.212.111.512.612.711.413.613.113.713.512.811.710.210.710.710.110.010.811.410.210.111.7

us-gaap:ResidentialMortgage, us-gaap:HomeEquityLoan


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302014-12-31
Value0.2270.2320.2350.2780.3240.3290.3360.3420.3420.3530.3590.3420.3570.3680.3630.3720.3380.3510.4120.4710.5210.422
Percentage of ImpairedFinancingReceivableRecordedInvestment1.11.11.11.31.61.61.51.51.61.41.51.41.41.41.51.51.31.41.61.72.01.6

us-gaap:ImpairedFinancingReceivableRecordedInvestment us-gaap:StatementGeographical

stpr:FL


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312017-12-31
Value3.3862.9632.8352.92.4552.4752.7423.306
Percentage of ImpairedFinancingReceivableRecordedInvestment16.614.613.513.911.811.712.313.6

trst:NewYorkAndOtherStates


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312017-12-31
Value1617181818181920
Percentage of ImpairedFinancingReceivableRecordedInvestment83.485.486.586.188.288.387.786.4

us-gaap:ImpairedFinancingReceivableRecordedInvestment us-gaap:StatementGeographical, us-gaap:FinancingReceivablePortfolioSegment, us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable

stpr:FL, us-gaap:CommercialPortfolioSegment, us-gaap:CommercialRealEstate


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312017-12-31
Value0.1020.1040.1050.1070.1090.1110.1120.0
Percentage of ImpairedFinancingReceivableRecordedInvestment0.50.50.50.50.50.50.50.0

stpr:FL, us-gaap:ResidentialMortgage, us-gaap:FirstMortgage


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312017-12-31
Value3.042.6152.4862.5052.0142.032.2932.707
Percentage of ImpairedFinancingReceivableRecordedInvestment14.912.911.912.09.79.610.311.1

stpr:FL, us-gaap:ResidentialMortgage, us-gaap:HomeEquity


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312017-12-31
Value0.2440.2440.2440.2480.2510.2520.2530.51
Percentage of ImpairedFinancingReceivableRecordedInvestment1.21.21.21.21.21.21.12.1

stpr:FL, us-gaap:ResidentialMortgage, us-gaap:HomeEquityLoan


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312017-12-31
Value0.00.00.00.040.0810.0820.0840.089
Percentage of ImpairedFinancingReceivableRecordedInvestment0.00.00.00.20.40.40.40.4

trst:NewYorkAndOtherStates, us-gaap:CommercialPortfolioSegment, trst:CommercialOtherReceivable


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312017-12-31
Value0.1450.1450.1150.0680.0350.0370.0380.1
Percentage of ImpairedFinancingReceivableRecordedInvestment0.70.70.50.30.20.20.20.4

trst:NewYorkAndOtherStates, us-gaap:CommercialPortfolioSegment, us-gaap:CommercialRealEstate


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312017-12-31
Value0.7980.8661.2171.3461.5521.3191.2742.148
Percentage of ImpairedFinancingReceivableRecordedInvestment3.94.35.86.47.56.25.78.8

trst:NewYorkAndOtherStates, us-gaap:ResidentialMortgage, us-gaap:FirstMortgage


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312017-12-31
Value1313141314141515
Percentage of ImpairedFinancingReceivableRecordedInvestment66.768.468.766.967.970.568.265.3

trst:NewYorkAndOtherStates, us-gaap:ResidentialMortgage, us-gaap:HomeEquity


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312017-12-31
Value2.2362.2092.162.382.3952.1612.7722.606
Percentage of ImpairedFinancingReceivableRecordedInvestment11.010.910.311.411.510.212.410.7

trst:NewYorkAndOtherStates, us-gaap:ResidentialMortgage, us-gaap:HomeEquityLoan


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312017-12-31
Value0.2270.2320.2350.2380.2430.2470.2520.27
Percentage of ImpairedFinancingReceivableRecordedInvestment1.11.11.11.11.21.21.11.1

us-gaap:ImpairedFinancingReceivableUnpaidPrincipalBalance

us-gaap:ImpairedFinancingReceivableUnpaidPrincipalBalance


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312011-12-312010-12-31
Value212021212121233022262626272726272728282828272931313232292831301919
Percentage of ImpairedFinancingReceivableUnpaidPrincipalBalance100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ImpairedFinancingReceivableUnpaidPrincipalBalance us-gaap:FinancingReceivablePortfolioSegment, us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable

us-gaap:CommercialPortfolioSegment, trst:CommercialOtherReceivable


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302014-12-31
Value0.1450.1450.1150.0680.0350.0870.0880.3130.1390.2130.10.10.10.10.00.00.00.00.00.00.0030.0
Percentage of ImpairedFinancingReceivableUnpaidPrincipalBalance0.70.70.50.30.20.40.41.00.60.80.40.40.40.40.00.00.00.00.00.00.00.0

us-gaap:CommercialPortfolioSegment, us-gaap:CommercialRealEstate


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302014-12-31
Value1.0241.111.4641.5951.8311.6011.5561.8181.1642.683.123.9164.9553.5143.474.0163.9883.9933.9964.1623.7265.499
Percentage of ImpairedFinancingReceivableUnpaidPrincipalBalance4.95.36.87.48.67.36.75.95.110.111.914.917.812.713.214.714.514.214.214.513.218.6

us-gaap:ResidentialMortgage, us-gaap:FirstMortgage


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302014-12-31
Value17161716161718231719191819201920202020202020
Percentage of ImpairedFinancingReceivableUnpaidPrincipalBalance80.880.479.778.076.779.077.574.678.674.473.671.670.174.874.673.774.173.572.573.174.367.8

us-gaap:ResidentialMortgage, us-gaap:HomeEquity


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302014-12-31
Value2.622.5932.5442.7682.7862.5533.2495.1383.23.5343.3573.0592.8852.9622.7932.7492.7493.0633.2893.0412.9523.551
Percentage of ImpairedFinancingReceivableUnpaidPrincipalBalance12.512.411.812.913.011.713.916.714.113.312.811.710.310.710.710.110.010.911.710.610.512.0

us-gaap:ResidentialMortgage, us-gaap:HomeEquityLoan


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302014-12-31
Value0.2470.2520.2550.2990.3440.3490.3560.5660.3620.3730.380.3620.3930.4040.3990.4080.3740.410.470.4980.5640.466
Percentage of ImpairedFinancingReceivableUnpaidPrincipalBalance1.21.21.21.41.61.61.51.81.61.41.41.41.41.51.51.51.41.51.71.72.01.6

us-gaap:ImpairedFinancingReceivableUnpaidPrincipalBalance us-gaap:StatementGeographical

stpr:FL


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312017-12-31
Value3.3862.9632.8352.92.4552.4752.8483.412
Percentage of ImpairedFinancingReceivableUnpaidPrincipalBalance16.114.113.113.511.511.312.213.0

trst:NewYorkAndOtherStates


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312017-12-31
Value1718181818192022
Percentage of ImpairedFinancingReceivableUnpaidPrincipalBalance83.985.986.986.588.588.787.887.0

us-gaap:ImpairedFinancingReceivableUnpaidPrincipalBalance us-gaap:StatementGeographical, us-gaap:FinancingReceivablePortfolioSegment, us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable

stpr:FL, us-gaap:CommercialPortfolioSegment, us-gaap:CommercialRealEstate


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312017-12-31
Value0.1020.1040.1050.1070.1090.1110.1120.0
Percentage of ImpairedFinancingReceivableUnpaidPrincipalBalance0.50.50.50.50.50.50.50.0

stpr:FL, us-gaap:ResidentialMortgage, us-gaap:FirstMortgage


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312017-12-31
Value3.042.6152.4862.5052.0142.032.3992.813
Percentage of ImpairedFinancingReceivableUnpaidPrincipalBalance14.412.511.511.69.49.310.310.7

stpr:FL, us-gaap:ResidentialMortgage, us-gaap:HomeEquity


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312017-12-31
Value0.2440.2440.2440.2480.2510.2520.2530.51
Percentage of ImpairedFinancingReceivableUnpaidPrincipalBalance1.21.21.11.21.21.21.11.9

stpr:FL, us-gaap:ResidentialMortgage, us-gaap:HomeEquityLoan


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312017-12-31
Value0.00.00.00.040.0810.0820.0840.089
Percentage of ImpairedFinancingReceivableUnpaidPrincipalBalance0.00.00.00.20.40.40.40.3

trst:NewYorkAndOtherStates, us-gaap:CommercialPortfolioSegment, trst:CommercialOtherReceivable


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312017-12-31
Value0.1450.1450.1150.0680.0350.0870.0880.1
Percentage of ImpairedFinancingReceivableUnpaidPrincipalBalance0.70.70.50.30.20.40.40.4

trst:NewYorkAndOtherStates, us-gaap:CommercialPortfolioSegment, us-gaap:CommercialRealEstate


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312017-12-31
Value0.9221.0061.3591.4881.7221.491.4443.12
Percentage of ImpairedFinancingReceivableUnpaidPrincipalBalance4.44.86.36.98.06.86.211.9

trst:NewYorkAndOtherStates, us-gaap:ResidentialMortgage, us-gaap:FirstMortgage


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312017-12-31
Value1314141414151516
Percentage of ImpairedFinancingReceivableUnpaidPrincipalBalance66.468.068.266.467.269.767.262.9

trst:NewYorkAndOtherStates, us-gaap:ResidentialMortgage, us-gaap:HomeEquity


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312017-12-31
Value2.3762.3492.32.522.5352.3012.9962.847
Percentage of ImpairedFinancingReceivableUnpaidPrincipalBalance11.311.210.711.711.810.512.910.8

trst:NewYorkAndOtherStates, us-gaap:ResidentialMortgage, us-gaap:HomeEquityLoan


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312017-12-31
Value0.2470.2520.2550.2590.2630.2670.2720.291
Percentage of ImpairedFinancingReceivableUnpaidPrincipalBalance1.21.21.21.21.21.21.21.1

us-gaap:InterestBearingDepositsInBanks

us-gaap:InterestBearingDepositsInBanks


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-31
Value908492408401517576454423546577568582663641658622718722676655641705627
Percentage of InterestBearingDepositsInBanks100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueNextTwelveMonths

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueNextTwelveMonths


None
Period End2020-06-302020-03-312019-12-312019-06-30
Value8062000.08033000.08033000.07820000.0
Percentage of LesseeOperatingLeaseLiabilityPaymentsDueNextTwelveMonths100.0100.0100.0100.0

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearFour

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearFour


None
Period End2020-06-302020-03-312019-12-312019-06-30
Value7128000.07100000.07100000.06978000.0
Percentage of LesseeOperatingLeaseLiabilityPaymentsDueYearFour100.0100.0100.0100.0

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearThree

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearThree


None
Period End2020-06-302020-03-312019-12-312019-06-30
Value7256000.07227000.07227000.07300000.0
Percentage of LesseeOperatingLeaseLiabilityPaymentsDueYearThree100.0100.0100.0100.0

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearTwo

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearTwo


None
Period End2020-06-302020-03-312019-12-312019-06-30
Value7561000.07533000.07533000.07818000.0
Percentage of LesseeOperatingLeaseLiabilityPaymentsDueYearTwo100.0100.0100.0100.0

us-gaap:LesseeOperatingLeaseLiabilityUndiscountedExcessAmount

us-gaap:LesseeOperatingLeaseLiabilityUndiscountedExcessAmount


None
Period End2020-06-302020-03-312019-12-312019-06-30
Value8.889.2959.7410
Percentage of LesseeOperatingLeaseLiabilityUndiscountedExcessAmount100.0100.0100.0100.0

us-gaap:LoansAndLeasesReceivableAllowance

us-gaap:LoansAndLeasesReceivableAllowance


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302010-12-31
Value4846444444444444444444444444434344444445454546464647474747474747484848474541
Percentage of LoansAndLeasesReceivableAllowance100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:LoansAndLeasesReceivableAllowance us-gaap:FinancingReceivablePortfolioSegment

us-gaap:CommercialPortfolioSegment


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312012-12-31
Value4.3663.963.9993.8713.9133.7344.0484.1324.1954.2554.3244.624.5964.814.9295.1985.0464.9194.4914.0564.0224.0244.0714.0454.0733.844.0193.771
Percentage of LoansAndLeasesReceivableAllowance9.18.69.08.78.88.49.09.29.49.69.810.510.410.911.211.811.511.110.09.08.88.88.88.78.78.28.47.9

us-gaap:ConsumerLoan


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312012-12-31
Value0.5040.5520.570.5520.4890.9520.9460.9030.8370.7650.7690.7260.6950.6570.730.6850.4290.4620.5180.4460.4620.3910.1680.1270.110.1040.0980.087
Percentage of LoansAndLeasesReceivableAllowance1.01.21.31.21.12.12.12.01.91.71.71.61.61.51.71.61.01.01.21.01.00.90.40.30.20.20.20.2

us-gaap:ResidentialMortgage


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312012-12-31
Value43413939393939393939393838383838383939404141424242434344
Percentage of LoansAndLeasesReceivableAllowance89.990.289.790.090.189.588.888.788.788.788.587.988.087.687.186.687.687.988.890.090.290.490.891.091.191.691.492.0

us-gaap:LoansAndLeasesReceivableGrossCarryingAmount

us-gaap:LoansAndLeasesReceivableGrossCarryingAmount


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302011-12-31
Value4177409940623985390638613874382537413666363635783507344834303387334333013293328232423193315830833006294129082834276227032684260525592521
Percentage of LoansAndLeasesReceivableGrossCarryingAmount100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:LoansAndLeasesReceivableNetOfDeferredIncome

us-gaap:LoansAndLeasesReceivableNetOfDeferredIncome


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302010-12-31
Value41774099406239853906386138743825374136663636357835073448343033873343330132933282324231933158308330062941290828342762270326842605255925242521247824272355
Percentage of LoansAndLeasesReceivableNetOfDeferredIncome100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:LoansAndLeasesReceivableNetReportedAmount

us-gaap:LoansAndLeasesReceivableNetReportedAmount


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302010-12-31
Value41294053401739403862381638293781369636223592353434633404338633433299325632483236319731473112303629592893286127872714265626362558251124752472243123822313
Percentage of LoansAndLeasesReceivableNetReportedAmount100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:LoansReceivableFairValueDisclosure

us-gaap:LoansReceivableFairValueDisclosure


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-31
Value4218413140783990388737813753371936503598359835413471339933703414336333183279327632523190317130853002292129102804273627582771
Percentage of LoansReceivableFairValueDisclosure100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:LoansReceivableFairValueDisclosure us-gaap:FairValueByFairValueHierarchyLevel

us-gaap:FairValueInputsLevel3


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-30
Value42184131407839903887378137533719365035983598354134713399337034143363331832793276325231903171308530022921291028042736275827712671
Percentage of LoansReceivableFairValueDisclosure100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0

us-gaap:LoansReceivableFairValueDisclosure us-gaap:FairValueByMeasurementBasis

us-gaap:CarryingReportedAmountFairValueDisclosure


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312014-12-312013-12-31
Value412940994017394038623861382937813696362235923534346334043386334332993256324831122861
Percentage of LoansReceivableFairValueDisclosure97.999.298.598.899.3102.1102.0101.7101.3100.799.899.899.8100.1100.597.998.198.299.198.198.3

us-gaap:OperatingLeaseLiability

us-gaap:OperatingLeaseLiability


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-31
Value5354565456560.0
Percentage of OperatingLeaseLiability100.0100.0100.0100.0100.0100.00.0

us-gaap:OperatingLeaseWeightedAverageDiscountRatePercent

us-gaap:OperatingLeaseWeightedAverageDiscountRatePercent


None
Period End2020-06-302020-03-312019-06-302019-03-31
Value0.03250.03250.0330.033
Percentage of OperatingLeaseWeightedAverageDiscountRatePercent100.0100.0100.0100.0

us-gaap:OtherAssets

us-gaap:OtherAssets


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302010-12-31
Value5752585556575863616259585863635655556359646065717182827173696461626367656577
Percentage of OtherAssets100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OtherRealEstate us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementFrequency

us-gaap:OtherRealEstate

us-gaap:FairValueInputsLevel3, us-gaap:FairValueMeasurementsNonrecurring


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-31
Value830000.01284000.01579000.02409000.02625000.01261000.01675000.02306000.02569000.03246000.0
Percentage of OtherRealEstate100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OtherRealEstate us-gaap:FairValueByMeasurementBasis, us-gaap:FairValueByMeasurementFrequency

us-gaap:CarryingReportedAmountFairValueDisclosure, us-gaap:FairValueMeasurementsNonrecurring


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-31
Value830000.01284000.01579000.02409000.02625000.01261000.01675000.02306000.02569000.03246000.0
Percentage of OtherRealEstate100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OtherRealEstateOwnedMeasurementInput us-gaap:Range, us-gaap:FairValueByMeasurementFrequency

us-gaap:OtherRealEstateOwnedMeasurementInput

srt:Maximum, us-gaap:FairValueMeasurementsNonrecurring


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-31
Value0.090.050.210.090.130.140.140.140.140.14
Percentage of OtherRealEstateOwnedMeasurementInput100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

srt:WeightedAverage, us-gaap:FairValueMeasurementsNonrecurring


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-31
Value0.030.030.020.020.040.070.070.070.070.07
Percentage of OtherRealEstateOwnedMeasurementInput33.360.09.522.230.850.050.050.050.050.0

us-gaap:ShortTermBorrowings

us-gaap:ShortTermBorrowings


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302010-12-31
Value177148148151166159161176182203242216233220209179190169191184170194189179181195204185176171159161150159147143128124
Percentage of ShortTermBorrowings100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ShorttermDebtFairValue

us-gaap:ShorttermDebtFairValue


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302013-12-31
Value177148148151166159161176182203242216233220209179190169191184170194189179181204
Percentage of ShorttermDebtFairValue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ShorttermDebtFairValue us-gaap:FairValueByFairValueHierarchyLevel

us-gaap:FairValueInputsLevel2


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302013-12-31
Value177148148151166159161176182203242216233220209179190169191184170194189179181204
Percentage of ShorttermDebtFairValue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ShorttermDebtFairValue us-gaap:FairValueByMeasurementBasis

us-gaap:CarryingReportedAmountFairValueDisclosure


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302013-12-31
Value177148148151166159161176182203242216233220209179190169191184170194189179181204
Percenta