HTLF


Line plots across dimensions of each concept
Tables

Table of contents



us-gaap:CommonStockValue
us-gaap:StatementClassOfStock
us-gaap:PreferredStockParOrStatedValuePerShare

us-gaap:CommonStockSharesIssued
us-gaap:StatementClassOfStock
us-gaap:PreferredStockSharesIssued

us-gaap:CommonStockSharesAuthorized
us-gaap:StatementClassOfStock
us-gaap:PreferredStockSharesAuthorized

us-gaap:WeightedAverageNumberOfDilutedSharesOutstanding

us-gaap:WeightedAverageNumberOfSharesOutstandingBasic

us-gaap:AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount

us-gaap:EarningsPerShareBasic

us-gaap:EarningsPerShareDiluted

us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax
us-gaap:ProductOrService

us-gaap:InterestAndFeeIncomeLoansAndLeases

us-gaap:InterestExpense

us-gaap:InterestIncomeExpenseNet

us-gaap:InterestPaidNet
us-gaap:AwardType
us-gaap:AllocatedShareBasedCompensationExpense

us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest

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

us-gaap:OtherComprehensiveIncomeLossNetOfTax

us-gaap:NetIncomeLoss

us-gaap:ComprehensiveIncomeNetOfTax
us-gaap:StatementEquityComponents

us-gaap:NetIncomeLossAvailableToCommonStockholdersBasic

us-gaap:Assets
dei:LegalEntity

us-gaap:Liabilities

us-gaap:LiabilitiesAndStockholdersEquity

us-gaap:StockholdersEquity
us-gaap:StatementEquityComponents

us-gaap:CashAndCashEquivalentsAtCarryingValue

us-gaap:AmortizationOfIntangibleAssets

us-gaap:PropertyPlantAndEquipmentNet

us-gaap:Goodwill

us-gaap:IntangibleAssetsNetExcludingGoodwill
us-gaap:FiniteLivedIntangibleAssetsByMajorClass

us-gaap:FiniteLivedIntangibleAssetsNet
us-gaap:FiniteLivedIntangibleAssetsByMajorClass

us-gaap:OperatingLeaseRightOfUseAsset

us-gaap:EquitySecuritiesFvNi
us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementFrequency
us-gaap:FairValueByMeasurementFrequency

us-gaap:StockholdersEquity
us-gaap:StatementEquityComponents

us-gaap:CommonStockValue

us-gaap:AdditionalPaidInCapitalCommonStock

us-gaap:RetainedEarningsAccumulatedDeficit

us-gaap:AccumulatedOtherComprehensiveIncomeLossNetOfTax

us-gaap:StockIssuedDuringPeriodValueNewIssues
us-gaap:StatementEquityComponents

us-gaap:NetCashProvidedByUsedInOperatingActivities

us-gaap:NetCashProvidedByUsedInInvestingActivities

us-gaap:NetCashProvidedByUsedInFinancingActivities

us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect

us-gaap:NetCashProvidedByUsedInOperatingActivities

us-gaap:NetIncomeLoss

us-gaap:DepreciationDepletionAndAmortization

us-gaap:IncreaseDecreaseInOtherOperatingCapitalNet

us-gaap:ShareBasedCompensation

us-gaap:NetCashProvidedByUsedInInvestingActivities

us-gaap:PaymentsToAcquirePropertyPlantAndEquipment

us-gaap:NetCashProvidedByUsedInFinancingActivities

us-gaap:PaymentsOfDividends
us-gaap:AwardType, us-gaap:PlanName
us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod

us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents

us-gaap:ProceedsFromRepaymentsOfShortTermDebt

htlf:BusinessAcquisitionIntegrationAndRestructuringCosts

htlf:CashDivestedForDivestitureOfBusinesses

htlf:DebtSecuritiesAvailableForSaleTransferAmountToDebtSecuritiesHeldToMaturity

htlf:DebtSecuritiesHeldToMaturityTrasferAmountToDebtSecuritiesAvailableForSale

htlf:FinancingReceivableAndOffBalanceSheetLiabilityCreditLossProvision

htlf:MaturityOfDebtSecuritiesAvailableForSaleSecuritiesAccruedNotPaid

htlf:NoninterestIncomeExcludingRevenueFromContractWithCustomer

htlf:OperatingLeaseLiabilityLeaseModificationsNoncashReductionOfLeaseLiabilities

htlf:OperatingLeaseLiabilityLeaseModificationsNoncashReductionOfRightOfUseAssets

htlf:PartnershipInvestmentInTaxCreditProjects

htlf:PaymentstoAcquireMortgageServicingRightsMSROperatingActivities

htlf:ProceedsfromMaturitiesPrepaymentsandCallsofOtherSecurities

htlf:PurchasesOfAvailableForSaleSecuritiesAccruedNotPaid
us-gaap:FiniteLivedIntangibleAssetsByMajorClass
htlf:ServicingAssetNettoServicingPortfolioPercentage

htlf:ServicingRightsImpairmentRecovery
us-gaap:AwardType, us-gaap:PlanName
htlf:SharebasedCompensationArrangementBySharebasedPaymentAwardVestingPercentageAfterChangeInControl

htlf:TransferOfDepositsToHeldforsale

htlf:TransferOfPropertyPlantAndEquipmentNetToAssetsHeldForSale

us-gaap:AccretionAmortizationOfDiscountsAndPremiumsInvestments

us-gaap:AdvertisingExpense

us-gaap:BankOwnedLifeInsuranceIncome
us-gaap:BusinessAcquisition, us-gaap:SubsequentEventType
us-gaap:BusinessCombinationConsiderationTransferred1

us-gaap:CommonStockDividendsPerShareDeclared

us-gaap:DebtAndEquitySecuritiesGainLoss
us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncome, us-gaap:StatementEquityComponents

us-gaap:DebtSecuritiesAvailableForSaleRealizedGain

us-gaap:DebtSecuritiesAvailableForSaleRealizedLoss
us-gaap:FinancialInstrument
us-gaap:DebtSecuritiesHeldToMaturityCreditLossExpenseReversal

us-gaap:DeferredTaxExpenseFromStockOptionsExercised
us-gaap:DerivativeInstrumentRisk, us-gaap:IncomeStatementLocation
us-gaap:DerivativeInstrumentsNotDesignatedAsHedgingInstrumentsGainLossNet

us-gaap:DividendsCommonStock
us-gaap:StatementEquityComponents

us-gaap:EffectiveIncomeTaxRateReconciliationShareBasedCompensationExcessTaxBenefitAmount
us-gaap:DerivativeInstrumentRisk, us-gaap:IncomeStatementLocation
us-gaap:EmbeddedDerivativeGainLossOnEmbeddedDerivativeNet

us-gaap:EquipmentExpense

us-gaap:EquitySecuritiesFvNiUnrealizedGainLoss
us-gaap:DerivativeInstrumentRisk
us-gaap:FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetGainLossIncludedInEarnings1
us-gaap:DerivativeInstrumentRisk
us-gaap:FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetIssues
us-gaap:DerivativeInstrumentRisk
us-gaap:FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetSettlements
us-gaap:FiniteLivedIntangibleAssetsByMajorClass
us-gaap:FeesAndCommissionsMortgageBankingAndServicing

us-gaap:FinancingReceivableAllowanceForCreditLossesRecovery
us-gaap:FinancingReceivablePortfolioSegment
us-gaap:FinancingReceivablePortfolioSegment, us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable

us-gaap:FinancingReceivableAllowanceForCreditLossesWriteOffs
us-gaap:FinancingReceivablePortfolioSegment
us-gaap:FinancingReceivablePortfolioSegment, us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable

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

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

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

us-gaap:FinancingReceivableModificationsSubsequentDefaultNumberOfContracts1
us-gaap:FinancingReceivablePortfolioSegment
us-gaap:FinancingReceivablePortfolioSegment, us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable

us-gaap:FinancingReceivableModificationsSubsequentDefaultRecordedInvestment1
us-gaap:FinancingReceivablePortfolioSegment
us-gaap:FinancingReceivablePortfolioSegment, us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable

us-gaap:FinancingReceivableNonaccrualInterestIncome

us-gaap:GainLossOnDispositionOfAssets1
us-gaap:DerivativeInstrumentRisk, us-gaap:IncomeStatementLocation
us-gaap:GainLossOnFairValueHedgesRecognizedInEarnings

us-gaap:GainLossOnSaleOfLoansAndLeases

us-gaap:GainLossOnSalesOfLoansNet
us-gaap:DerivativeInstrumentRisk

us-gaap:GainsLossesOnSalesOfAssets

us-gaap:GainsLossesOnSalesOfOtherRealEstate

us-gaap:IncomeTaxesPaid

us-gaap:IncreaseDecreaseInAccruedInterestReceivableNet

us-gaap:IncreaseDecreaseInDemandDeposits

us-gaap:IncreaseDecreaseInEquitySecuritiesFvNi

us-gaap:IncreaseDecreaseInInterestPayableNet

us-gaap:IncreaseDecreaseInPrepaidExpense

us-gaap:IncreaseDecreaseInSavingsDeposits

us-gaap:IncreaseDecreaseInTimeDeposits

us-gaap:IncrementalCommonSharesAttributableToShareBasedPaymentArrangements

us-gaap:InterestAndDividendIncomeOperating

us-gaap:InterestExpenseDeposits

us-gaap:InterestExpenseOtherLongTermDebt
us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncome, us-gaap:StatementEquityComponents

us-gaap:InterestExpenseShortTermBorrowings

us-gaap:InterestIncomeDepositsWithFinancialInstitutions

us-gaap:InterestIncomeExpenseAfterProvisionForLoanLoss

us-gaap:InterestIncomeFederalFundsSold

us-gaap:InterestIncomeSecuritiesTaxExempt

us-gaap:InterestIncomeSecuritiesTaxable

us-gaap:InvestmentBankingAdvisoryBrokerageAndUnderwritingFeesAndCommissions

us-gaap:LaborAndRelatedExpense

us-gaap:LeaseCost
us-gaap:FiniteLivedIntangibleAssetsByMajorClass
us-gaap:MortgageServicingRightsMSRImpairmentRecovery

us-gaap:NoninterestExpense

us-gaap:NoninterestIncome

us-gaap:NoninterestIncomeOtherOperatingIncome

us-gaap:OccupancyNet

us-gaap:OffBalanceSheetCreditLossLiabilityCreditLossExpenseReversal

us-gaap:OperatingLeaseCost

us-gaap:OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax

us-gaap:OtherComprehensiveIncomeLossAvailableForSaleSecuritiesTax

us-gaap:OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationAndTaxParent

us-gaap:OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationTaxParent

us-gaap:OtherComprehensiveIncomeLossCashFlowHedgeGainLossBeforeReclassificationAndTax
us-gaap:DerivativeInstrumentRisk

us-gaap:OtherComprehensiveIncomeLossCashFlowHedgeGainLossReclassificationBeforeTax
us-gaap:DerivativeInstrumentRisk, us-gaap:IncomeStatementLocation

us-gaap:OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesBeforeTax

us-gaap:OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodBeforeTax

us-gaap:OtherNoninterestExpense

us-gaap:PaymentsForDepositsWithOtherInstitutions

us-gaap:PaymentsForOriginationAndPurchasesOfLoansHeldForSale

us-gaap:PaymentsForProceedsFromLoansAndLeases

us-gaap:PaymentsToAcquireAvailableForSaleSecuritiesDebt

us-gaap:PaymentsToAcquireLifeInsurancePolicies

us-gaap:PaymentsToAcquireOtherInvestments

us-gaap:ProceedsFromFederalHomeLoanBankBorrowings

us-gaap:ProceedsFromIssuanceOfCommonStock

us-gaap:ProceedsFromIssuanceOfOtherLongTermDebt

us-gaap:ProceedsFromMaturitiesPrepaymentsAndCallsOfAvailableForSaleSecurities

us-gaap:ProceedsFromMaturitiesPrepaymentsAndCallsOfHeldToMaturitySecurities

us-gaap:ProceedsFromMaturitiesPrepaymentsAndCallsOfOtherInvestments

us-gaap:ProceedsFromSaleOfAvailableForSaleSecuritiesDebt

us-gaap:ProceedsFromSaleOfForeclosedAssets

us-gaap:ProceedsFromSaleOfLoansHeldForSale

us-gaap:ProceedsFromSaleOfPropertyPlantAndEquipment

us-gaap:ProfessionalFees

us-gaap:ProvisionForLoanAndLeaseLosses
us-gaap:FinancingReceivablePortfolioSegment
us-gaap:FinancingReceivablePortfolioSegment, us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable

us-gaap:ProvisionForLoanLossesExpensed
us-gaap:FinancingReceivablePortfolioSegment
us-gaap:FinancingReceivablePortfolioSegment, us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable

us-gaap:RepaymentsOfFederalHomeLoanBankBorrowings

us-gaap:RepaymentsOfOtherLongTermDebt
us-gaap:FiniteLivedIntangibleAssetsByMajorClass
us-gaap:ServicingAssetAtAmortizedValueAmortization1

us-gaap:ServicingAssetAtAmortizedValueValuationAllowance
us-gaap:FiniteLivedIntangibleAssetsByMajorClass
us-gaap:FiniteLivedIntangibleAssetsByMajorClass, us-gaap:StatementBusinessSegments
us-gaap:FiniteLivedIntangibleAssetsByMajorClass
us-gaap:ServicingAssetAtFairValueOtherChangesInFairValue
us-gaap:FiniteLivedIntangibleAssetsByMajorClass
us-gaap:ServicingAssetsAndServicingLiabilitiesAtFairValueAssumptionsUsedToEstimateFairValueDiscountRate
us-gaap:Range, us-gaap:FairValueByAssetClass, us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:MeasurementInputType, us-gaap:ValuationTechnique
us-gaap:Range, us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FinancingReceivablePortfolioSegment, us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable, us-gaap:MeasurementInputType, us-gaap:ValuationTechnique
us-gaap:Range, us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FinancingReceivablePortfolioSegment, us-gaap:MeasurementInputType, us-gaap:ValuationTechnique
us-gaap:Range, us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:MeasurementInputType, us-gaap:ValuationTechnique
us-gaap:Range, us-gaap:FiniteLivedIntangibleAssetsByMajorClass
us-gaap:FiniteLivedIntangibleAssetsByMajorClass
us-gaap:ServicingAssetsAndServicingLiabilitiesAtFairValueAssumptionsUsedToEstimateFairValuePrepaymentSpeed
us-gaap:Range, us-gaap:FiniteLivedIntangibleAssetsByMajorClass
us-gaap:AwardType
us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeituresWeightedAverageGrantDateFairValue
us-gaap:AwardType
us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue
us-gaap:AwardType
us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriod
us-gaap:AwardType
us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodWeightedAverageGrantDateFairValue
us-gaap:AwardType
us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardNonOptionEquityInstrumentsForfeitures
us-gaap:AwardType
us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardNonOptionEquityInstrumentsGranted

us-gaap:StockIssuedDuringPeriodSharesNewIssues

us-gaap:StockIssuedDuringPeriodSharesTreasuryStockReissued

us-gaap:StockIssuedDuringPeriodValueShareBasedCompensation
us-gaap:StatementEquityComponents

us-gaap:StockIssuedDuringPeriodValueTreasuryStockReissued
us-gaap:StatementEquityComponents

us-gaap:TransferOfPortfolioLoansAndLeasesToHeldForSale1

us-gaap:TransferToOtherRealEstate

us-gaap:VariableLeaseCost

htlf:DebtSecuritiesHeldToMaturityAfterAllowanceForCreditLoss

htlf:DebtSecuritiesHeldToMaturityContinuousUnrealizedLossPosition12MonthsOrLongerNumberOfPositions
us-gaap:FinancialInstrument

htlf:DebtSecuritiesHeldToMaturityContinuousUnrealizedLossPositionLessThan12MonthsNumberOfPositions
us-gaap:FinancialInstrument

htlf:DebtSecuritiesHeldToMaturityContinuousUnrealizedLossPositionNumberOfPositions
us-gaap:FinancialInstrument
us-gaap:FairValueByFairValueHierarchyLevel
htlf:DepositsHeldForSale
us-gaap:FairValueByMeasurementBasis

htlf:FinancingReceivableNonaccrualWithAllowance
us-gaap:FinancingReceivablePortfolioSegment
us-gaap:FinancingReceivablePortfolioSegment, us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable

htlf:FinancingReceivableRecordedInvestment30to89DaysPastDuePercentage

htlf:IntangibleAssetsNetExcludingGoodwillAndServicingRights
us-gaap:BalanceSheetLocation, us-gaap:DerivativeInstrumentRisk
htlf:InterestRateCashFlowHedgeDerivativeReceiveRatePercentage
us-gaap:InternalCreditAssessment
htlf:LoansAndLeasesReceivableGrossPercentage

htlf:MarketableSecuritiesAmortizedCostBasis
us-gaap:BusinessAcquisition
htlf:MortgageLoansServicedForOthersAmount
us-gaap:FairValueByFairValueHierarchyLevel
htlf:OtherBorrowingsFairValueDisclosure
us-gaap:FairValueByMeasurementBasis
us-gaap:FairValueByFairValueHierarchyLevel
htlf:OtherInvestmentsFairValueDisclosure
us-gaap:FairValueByMeasurementBasis
us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:ValuationTechnique
htlf:OtherRealEstateFairValueDisclosure
us-gaap:FairValueByFairValueHierarchyLevel
htlf:ShortTermBorrowingsFairValueDisclosure
us-gaap:FairValueByMeasurementBasis
us-gaap:FairValueByFairValueHierarchyLevel
htlf:TimeDepositsFairValueDisclosure
us-gaap:FairValueByMeasurementBasis

us-gaap:AccountsPayableAndAccruedLiabilitiesCurrentAndNoncurrent
us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementFrequency
us-gaap:AssetsFairValueDisclosure
us-gaap:FairValueByMeasurementFrequency
us-gaap:FairValueByAssetClass, us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementFrequency
us-gaap:AssetsHeldForSaleNotPartOfDisposalGroup
us-gaap:FairValueByAssetClass, us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementFrequency, us-gaap:ValuationTechnique
us-gaap:FairValueByAssetClass, us-gaap:FairValueByMeasurementBasis, us-gaap:FairValueByMeasurementFrequency
us-gaap:FairValueByAssetClass, us-gaap:FairValueByMeasurementFrequency

us-gaap:AssetsHeldForSaleNotPartOfDisposalGroupOther

us-gaap:AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedGainBeforeTax
us-gaap:FinancialInstrument

us-gaap:AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedLossBeforeTax
us-gaap:FinancialInstrument

us-gaap:AvailableForSaleDebtSecuritiesAmortizedCostBasis
us-gaap:FinancialInstrument

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

us-gaap:BankOwnedLifeInsurance
us-gaap:BusinessAcquisition
us-gaap:BusinessAcquisitionSharePrice
us-gaap:FairValueByFairValueHierarchyLevel
us-gaap:CashAndCashEquivalentsFairValueDisclosure
us-gaap:FairValueByMeasurementBasis

us-gaap:CashAndDueFromBanks
us-gaap:FairValueByFairValueHierarchyLevel
us-gaap:CashSurrenderValueFairValueDisclosure
us-gaap:FairValueByMeasurementBasis

us-gaap:CollateralAlreadyPostedAggregateFairValue
us-gaap:CounterpartyName
us-gaap:CounterpartyName, us-gaap:DerivativeInstrumentRisk, us-gaap:DerivativeInstrumentsGainLossByHedgingRelationship
us-gaap:CounterpartyName, us-gaap:HedgingDesignation
us-gaap:DerivativeInstrumentRisk, us-gaap:DerivativeInstrumentsGainLossByHedgingRelationship
us-gaap:HedgingDesignation

us-gaap:DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPosition12MonthsOrLonger
us-gaap:FinancialInstrument

us-gaap:DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPosition12MonthsOrLongerAccumulatedLoss
us-gaap:FinancialInstrument

us-gaap:DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPosition12MonthsOrLongerNumberOfPositions
us-gaap:FinancialInstrument

us-gaap:DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12Months
us-gaap:FinancialInstrument

us-gaap:DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12MonthsAccumulatedLoss
us-gaap:FinancialInstrument

us-gaap:DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12MonthsNumberOfPositions
us-gaap:FinancialInstrument

us-gaap:DebtSecuritiesAvailableForSaleUnrealizedLossPosition
us-gaap:FinancialInstrument

us-gaap:DebtSecuritiesAvailableForSaleUnrealizedLossPositionAccumulatedLoss
us-gaap:FinancialInstrument

us-gaap:DebtSecuritiesAvailableForSaleUnrealizedLossPositionNumberOfPositions
us-gaap:FinancialInstrument

us-gaap:DebtSecuritiesHeldToMaturityAllowanceForCreditLoss
us-gaap:FinancialInstrument

us-gaap:Deposits
dei:LegalEntity
us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FinancialInstrument
us-gaap:DepositsFairValueDisclosure
us-gaap:FairValueByMeasurementBasis, us-gaap:FinancialInstrument

us-gaap:DepositsSavingsDeposits
us-gaap:CounterpartyName, us-gaap:DerivativeInstrumentRisk, us-gaap:DerivativeInstrumentsGainLossByHedgingRelationship
us-gaap:DerivativeAmountOfHedgedItem
us-gaap:DerivativeInstrumentRisk, us-gaap:DerivativeInstrumentsGainLossByHedgingRelationship
us-gaap:CounterpartyName, us-gaap:Range, us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FinancialInstrument, us-gaap:MeasurementInputType
us-gaap:DerivativeAssetMeasurementInput
us-gaap:Range, us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FinancialInstrument, us-gaap:MeasurementInputType, us-gaap:ValuationTechnique
us-gaap:BalanceSheetLocation, us-gaap:DerivativeInstrumentRisk, us-gaap:HedgingDesignation
us-gaap:DerivativeAssetNotionalAmount
us-gaap:BalanceSheetLocation, us-gaap:DerivativeInstrumentRisk
us-gaap:DerivativeAssets
us-gaap:DerivativeInstrumentRisk, us-gaap:FairValueByFairValueHierarchyLevel
us-gaap:DerivativeInstrumentRisk, us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementFrequency
us-gaap:DerivativeInstrumentRisk, us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:ValuationTechnique
us-gaap:DerivativeInstrumentRisk, us-gaap:FairValueByMeasurementBasis
us-gaap:DerivativeInstrumentRisk, us-gaap:FairValueByMeasurementFrequency
us-gaap:FairValueByFairValueHierarchyLevel
us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FinancialInstrument
us-gaap:FairValueByMeasurementBasis
us-gaap:FairValueByMeasurementBasis, us-gaap:FinancialInstrument
us-gaap:BalanceSheetLocation, us-gaap:DerivativeInstrumentRisk, us-gaap:Position
us-gaap:DerivativeAverageVariableInterestRate
us-gaap:BalanceSheetLocation, us-gaap:DerivativeInstrumentRisk, us-gaap:HedgingDesignation
us-gaap:DerivativeInstrumentsNotDesignatedAsHedgingInstrumentsAssetAtFairValue
us-gaap:BalanceSheetLocation, us-gaap:DerivativeInstrumentRisk, us-gaap:HedgingDesignation
us-gaap:DerivativeInstrumentsNotDesignatedAsHedgingInstrumentsLiabilityAtFairValue
us-gaap:DerivativeInstrumentRisk, us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementFrequency
us-gaap:DerivativeLiabilities
us-gaap:DerivativeInstrumentRisk, us-gaap:FairValueByMeasurementFrequency
us-gaap:FairValueByFairValueHierarchyLevel
us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FinancialInstrument
us-gaap:FairValueByMeasurementBasis
us-gaap:FairValueByMeasurementBasis, us-gaap:FinancialInstrument
us-gaap:BalanceSheetLocation, us-gaap:DerivativeInstrumentRisk
us-gaap:DerivativeLiabilityNotionalAmount
us-gaap:BalanceSheetLocation, us-gaap:DerivativeInstrumentRisk, us-gaap:HedgingDesignation
us-gaap:BalanceSheetLocation, us-gaap:DerivativeInstrumentRisk
us-gaap:DerivativeNotionalAmount

us-gaap:EquitySecuritiesFvNiCost
us-gaap:BusinessAcquisition
us-gaap:EscrowDeposit
us-gaap:BalanceSheetLocation, us-gaap:DerivativeInstrumentRisk
us-gaap:FairValueHedgeLiabilitiesAtFairValue
us-gaap:DerivativeInstrumentRisk
us-gaap:FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetValue

us-gaap:FederalHomeLoanBankStock

us-gaap:FinancingReceivableAfterDeferredIncomeOffset

us-gaap:FinancingReceivableAllowanceForCreditLosses
us-gaap:FinancingReceivablePortfolioSegment
us-gaap:FinancingReceivablePortfolioSegment, us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable

us-gaap:FinancingReceivableAllowanceForCreditLossesCollectivelyEvaluatedForImpairment
us-gaap:FinancingReceivablePortfolioSegment
us-gaap:FinancingReceivablePortfolioSegment, us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable

us-gaap:FinancingReceivableAllowanceForCreditLossesIndividuallyEvaluatedForImpairment1
us-gaap:FinancingReceivablePortfolioSegment
us-gaap:FinancingReceivablePortfolioSegment, us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable

us-gaap:FinancingReceivableCollectivelyEvaluatedForImpairment
us-gaap:FinancingReceivablePortfolioSegment
us-gaap:FinancingReceivablePortfolioSegment, us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable

us-gaap:FinancingReceivableCoveredAndNotCoveredAfterAllowanceForCreditLossFeePremiumAndDiscount

us-gaap:FinancingReceivableIndividuallyEvaluatedForImpairment
us-gaap:FinancingReceivablePortfolioSegment
us-gaap:FinancingReceivablePortfolioSegment, us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable

us-gaap:FinancingReceivableModificationsRecordedInvestment
us-gaap:FinancialInstrumentPerformanceStatus

us-gaap:FinancingReceivableNonaccrualNoAllowance
us-gaap:FinancingReceivablePortfolioSegment
us-gaap:FinancingReceivablePortfolioSegment, us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable

us-gaap:FinancingReceivableOriginatedFiveOrMoreYearsBeforeLatestFiscalYear
us-gaap:FinancingReceivablePortfolioSegment
us-gaap:FinancingReceivablePortfolioSegment, us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable
us-gaap:FinancingReceivablePortfolioSegment, us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable, us-gaap:InternalCreditAssessment
us-gaap:FinancingReceivablePortfolioSegment, us-gaap:InternalCreditAssessment
us-gaap:InternalCreditAssessment

us-gaap:FinancingReceivableOriginatedFourYearsBeforeLatestFiscalYear
us-gaap:FinancingReceivablePortfolioSegment
us-gaap:FinancingReceivablePortfolioSegment, us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable
us-gaap:FinancingReceivablePortfolioSegment, us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable, us-gaap:InternalCreditAssessment
us-gaap:FinancingReceivablePortfolioSegment, us-gaap:InternalCreditAssessment
us-gaap:InternalCreditAssessment

us-gaap:FinancingReceivableOriginatedInCurrentFiscalYear
us-gaap:FinancingReceivablePortfolioSegment
us-gaap:FinancingReceivablePortfolioSegment, us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable
us-gaap:FinancingReceivablePortfolioSegment, us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable, us-gaap:InternalCreditAssessment
us-gaap:FinancingReceivablePortfolioSegment, us-gaap:InternalCreditAssessment
us-gaap:InternalCreditAssessment

us-gaap:FinancingReceivableOriginatedInFiscalYearBeforeLatestFiscalYear
us-gaap:FinancingReceivablePortfolioSegment
us-gaap:FinancingReceivablePortfolioSegment, us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable
us-gaap:FinancingReceivablePortfolioSegment, us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable, us-gaap:InternalCreditAssessment
us-gaap:FinancingReceivablePortfolioSegment, us-gaap:InternalCreditAssessment
us-gaap:InternalCreditAssessment

us-gaap:FinancingReceivableOriginatedThreeYearsBeforeLatestFiscalYear
us-gaap:FinancingReceivablePortfolioSegment
us-gaap:FinancingReceivablePortfolioSegment, us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable
us-gaap:FinancingReceivablePortfolioSegment, us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable, us-gaap:InternalCreditAssessment
us-gaap:FinancingReceivablePortfolioSegment, us-gaap:InternalCreditAssessment
us-gaap:InternalCreditAssessment

us-gaap:FinancingReceivableOriginatedTwoYearsBeforeLatestFiscalYear
us-gaap:FinancingReceivablePortfolioSegment
us-gaap:FinancingReceivablePortfolioSegment, us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable
us-gaap:FinancingReceivablePortfolioSegment, us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable, us-gaap:InternalCreditAssessment
us-gaap:FinancingReceivablePortfolioSegment, us-gaap:InternalCreditAssessment
us-gaap:InternalCreditAssessment

us-gaap:FinancingReceivableRecordedInvestment90DaysPastDueAndStillAccruing
us-gaap:FinancingReceivablePortfolioSegment

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

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

us-gaap:FinancingReceivableRecordedInvestmentPastDue
us-gaap:FinancingReceivablePortfolioSegment
us-gaap:FinancingReceivablePortfolioSegment, us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable
us-gaap:FinancingReceivablePortfolioSegment, us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable, us-gaap:FinancingReceivablesPeriodPastDue
us-gaap:FinancingReceivablePortfolioSegment, us-gaap:FinancingReceivablesPeriodPastDue
us-gaap:FinancingReceivablesPeriodPastDue

us-gaap:FinancingReceivableRevolving
us-gaap:FinancingReceivablePortfolioSegment
us-gaap:FinancingReceivablePortfolioSegment, us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable
us-gaap:FinancingReceivablePortfolioSegment, us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable, us-gaap:InternalCreditAssessment
us-gaap:FinancingReceivablePortfolioSegment, us-gaap:InternalCreditAssessment
us-gaap:InternalCreditAssessment

us-gaap:FiniteLivedIntangibleAssetsAccumulatedAmortization
us-gaap:FiniteLivedIntangibleAssetsByMajorClass

us-gaap:FiniteLivedIntangibleAssetsAmortizationExpenseAfterYearFive
us-gaap:FiniteLivedIntangibleAssetsByMajorClass

us-gaap:FiniteLivedIntangibleAssetsAmortizationExpenseNextTwelveMonths
us-gaap:FiniteLivedIntangibleAssetsByMajorClass

us-gaap:FiniteLivedIntangibleAssetsAmortizationExpenseRemainderOfFiscalYear
us-gaap:FiniteLivedIntangibleAssetsByMajorClass

us-gaap:FiniteLivedIntangibleAssetsAmortizationExpenseYearFive
us-gaap:FiniteLivedIntangibleAssetsByMajorClass

us-gaap:FiniteLivedIntangibleAssetsAmortizationExpenseYearFour
us-gaap:FiniteLivedIntangibleAssetsByMajorClass

us-gaap:FiniteLivedIntangibleAssetsAmortizationExpenseYearThree
us-gaap:FiniteLivedIntangibleAssetsByMajorClass

us-gaap:FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo
us-gaap:FiniteLivedIntangibleAssetsByMajorClass

us-gaap:FiniteLivedIntangibleAssetsGross
us-gaap:FiniteLivedIntangibleAssetsByMajorClass

us-gaap:HeldToMaturitySecurities
us-gaap:CreditRatingStandardPoors, us-gaap:FinancialInstrument
us-gaap:FinancialInstrument

us-gaap:HeldToMaturitySecuritiesAccumulatedUnrecognizedHoldingGain
us-gaap:FinancialInstrument

us-gaap:HeldToMaturitySecuritiesAccumulatedUnrecognizedHoldingLoss
us-gaap:FinancialInstrument

us-gaap:HeldToMaturitySecuritiesContinuousUnrealizedLossPosition12MonthsOrLongerAccumulatedLoss
us-gaap:FinancialInstrument

us-gaap:HeldToMaturitySecuritiesContinuousUnrealizedLossPositionAccumulatedLoss
us-gaap:FinancialInstrument

us-gaap:HeldToMaturitySecuritiesContinuousUnrealizedLossPositionFairValue
us-gaap:FinancialInstrument

us-gaap:HeldToMaturitySecuritiesContinuousUnrealizedLossPositionLessThan12MonthsAccumulatedLoss
us-gaap:FinancialInstrument

us-gaap:HeldToMaturitySecuritiesContinuousUnrealizedLossPositionLessThanTwelveMonthsFairValue
us-gaap:FinancialInstrument

us-gaap:HeldToMaturitySecuritiesContinuousUnrealizedLossPositionTwelveMonthsOrLongerFairValue
us-gaap:FinancialInstrument

us-gaap:HeldToMaturitySecuritiesFairValue
us-gaap:FairValueByFairValueHierarchyLevel
us-gaap:FairValueByMeasurementBasis
us-gaap:FinancialInstrument

us-gaap:InterestBearingDepositsInBanks
us-gaap:BalanceSheetLocation, us-gaap:DerivativeInstrumentRisk
us-gaap:InterestRateDerivativeAssetsAtFairValue
us-gaap:BalanceSheetLocation, us-gaap:DerivativeInstrumentRisk
us-gaap:InterestRateDerivativeLiabilitiesAtFairValue
us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementFrequency
us-gaap:LiabilitiesFairValueDisclosure
us-gaap:FairValueByMeasurementFrequency

us-gaap:LoansAndLeasesReceivableAllowance

us-gaap:LoansAndLeasesReceivableNetOfDeferredIncome
dei:LegalEntity

us-gaap:LoansAndLeasesReceivableNetReportedAmount
us-gaap:FairValueByFairValueHierarchyLevel
us-gaap:LoansHeldForSaleFairValueDisclosure
us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementFrequency
us-gaap:FairValueByMeasurementBasis
us-gaap:FairValueByMeasurementBasis, us-gaap:FairValueByMeasurementFrequency
us-gaap:FairValueByMeasurementFrequency

us-gaap:MarketableSecurities

us-gaap:NoninterestBearingDepositLiabilitiesDomestic

us-gaap:NotesReceivableGross
us-gaap:FinancingReceivablePortfolioSegment
us-gaap:FinancingReceivablePortfolioSegment, us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable
us-gaap:FinancingReceivablePortfolioSegment, us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable, us-gaap:InternalCreditAssessment
us-gaap:FinancingReceivablePortfolioSegment, us-gaap:InternalCreditAssessment
us-gaap:InternalCreditAssessment
us-gaap:DerivativeInstrumentRisk, us-gaap:DerivativeInstrumentsGainLossByHedgingRelationship
us-gaap:NumberOfInterestRateDerivativesHeld

us-gaap:OffBalanceSheetCreditLossLiability

us-gaap:OperatingLeaseLiability

us-gaap:OtherAssets

us-gaap:OtherInvestmentsAndSecuritiesAtCost

us-gaap:OtherLongTermDebt

us-gaap:OtherShortTermInvestments

us-gaap:PledgedAssetsSeparatelyReportedSecuritiesPledgedAsCollateralAtFairValue
us-gaap:StatementClassOfStock
us-gaap:PreferredStockSharesOutstanding
us-gaap:StatementClassOfStock
us-gaap:PreferredStockValue

us-gaap:RealEstateAcquiredThroughForeclosure
us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementFrequency
us-gaap:FairValueByMeasurementBasis, us-gaap:FairValueByMeasurementFrequency
us-gaap:FairValueByMeasurementFrequency

us-gaap:ServicingAsset
us-gaap:FiniteLivedIntangibleAssetsByMajorClass
us-gaap:FiniteLivedIntangibleAssetsByMajorClass
us-gaap:ServicingAssetAtAmortizedValue
us-gaap:FiniteLivedIntangibleAssetsByMajorClass, us-gaap:StatementBusinessSegments
us-gaap:BusinessAcquisition, us-gaap:FiniteLivedIntangibleAssetsByMajorClass
us-gaap:ServicingAssetAtAmortizedValueFairValue
us-gaap:FiniteLivedIntangibleAssetsByMajorClass
us-gaap:FiniteLivedIntangibleAssetsByMajorClass, us-gaap:StatementBusinessSegments
us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementFrequency, us-gaap:FiniteLivedIntangibleAssetsByMajorClass
us-gaap:ServicingAssetAtFairValueAmount
us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:ValuationTechnique
us-gaap:FairValueByMeasurementBasis, us-gaap:FairValueByMeasurementFrequency, us-gaap:FiniteLivedIntangibleAssetsByMajorClass
us-gaap:FairValueByMeasurementFrequency, us-gaap:FiniteLivedIntangibleAssetsByMajorClass
us-gaap:Range, us-gaap:FiniteLivedIntangibleAssetsByMajorClass, us-gaap:MeasurementInputType
us-gaap:ServicingAssetMeasurementInput
us-gaap:AwardType
us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue
us-gaap:AwardType
us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardNonOptionEquityInstrumentsOutstandingNumber

us-gaap:ShortTermBorrowings

us-gaap:TimeDeposits

us-gaap:TradeAndLoansReceivablesHeldForSaleNetNotPartOfDisposalGroup

Tables

  2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
us-gaap:CommonStockValue █████▆▆▆▆▄▃▃▁▁36.84536.80736.70436.69636.6934.60434.47734.47334.43831.06829.95329.94626.70126.674
 us-gaap:PreferredStockParOrStatedValuePerShare us-gaap:StatementClassOfStock us-gaap:SeriesCPreferredStock▄▄▄▄▄▄▄▄▄▄▄▄▄▄1e-061e-061e-061e-061e-061e-061e-061e-061e-061e-061e-061e-061e-061e-06
 us-gaap:PreferredStockParOrStatedValuePerShare us-gaap:StatementClassOfStock us-gaap:SeriesDPreferredStock▄▄▄▄▄▄▄▄▄▄▄▄▄▄1e-061e-061e-061e-061e-061e-061e-061e-061e-061e-061e-061e-061e-061e-06
us-gaap:CommonStockSharesIssued █████▆▆▆▆▄▃▃▁▁36.84474436.80721736.70427836.6961936.69006134.60361134.47749934.47302934.43844531.06823929.95335629.94606926.70122626.674121
 us-gaap:PreferredStockSharesIssued us-gaap:StatementClassOfStock us-gaap:SeriesBPreferredStock0.0NA0.0NANANANANANANANANANANA
 us-gaap:PreferredStockSharesIssued us-gaap:StatementClassOfStock us-gaap:SeriesCPreferredStock▄▄▄▄▄▄▄▄▄▄▄▄▄▄0.00.00.00.00.00.00.00.00.00.00.00.00.00.0
 us-gaap:PreferredStockSharesIssued us-gaap:StatementClassOfStock us-gaap:SeriesDPreferredStock▁▁▁▁▁▁▁▁██████0.00.00.00.00.00.00.00.00.0007450.0007450.0007450.0007450.0007450.000745
 us-gaap:PreferredStockSharesIssued us-gaap:StatementClassOfStock us-gaap:SeriesEPreferredStock0.0115NA0.0NANANANANANANANANANANA
us-gaap:CommonStockSharesAuthorized 60.0NA60.060.060.040.040.040.040.040.040.040.040.030.0
 us-gaap:PreferredStockSharesAuthorized us-gaap:StatementClassOfStock us-gaap:PreferredStock▁█████████████0.0061040.0176040.0176040.0176040.0176040.0176040.0176040.0176040.0176040.0176040.0176040.0176040.0176040.017604
 us-gaap:PreferredStockSharesAuthorized us-gaap:StatementClassOfStock us-gaap:SeriesCPreferredStock▄▄▄▄▄▄▄▄▄▄▄▄▄▄0.0816980.0816980.0816980.0816980.0816980.0816980.0816980.0816980.0816980.0816980.0816980.0816980.0816980.081698
 us-gaap:PreferredStockSharesAuthorized us-gaap:StatementClassOfStock us-gaap:SeriesDPreferredStock▄▄▄▄▄▄▄▄▄▄▄▄▄▄0.0030.0030.0030.0030.0030.0030.0030.0030.0030.0030.0030.0030.0030.003
 us-gaap:PreferredStockSharesAuthorized us-gaap:StatementClassOfStock us-gaap:SeriesEPreferredStock0.0115NA0.0NANANANANANANANANANANA
us-gaap:WeightedAverageNumberOfDilutedSharesOutstanding ████▇▆▆▆▅▄▃▃▁▁36.91636.89636.84051936.83535.87934.734.6701834.64432.83130.64530.20904329.9126.97326.628
us-gaap:WeightedAverageNumberOfSharesOutstandingBasic ████▇▆▆▆▅▄▃▃▁▁36.88136.82136.75802536.69235.74434.56434.47433634.45232.62130.44229.94853629.64826.68726.335
us-gaap:AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount █▁0.0540.0NA0.0080.0070.002NA0.00.00.0NA0.00.00.0
us-gaap:EarningsPerShareBasic ▄▂▆▅█▅▅▆▄▄▁▃▄▃8.2e-075.4e-071.03e-069.399999999999999e-071.26e-069.100000000000001e-079.300000000000001e-079.8e-078.5e-077.6e-074.6000000000000004e-077.3e-078.2e-076.800000000000001e-07
us-gaap:EarningsPerShareDiluted ▄▂▆▅█▅▅▅▄▄▁▃▄▃8.2e-075.4e-071.03e-069.399999999999999e-071.26e-069.100000000000001e-079.300000000000001e-079.7e-078.5e-077.6e-074.5000000000000003e-077.2e-078.100000000000001e-076.800000000000001e-07
  2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax ▄▅▆▆█▅▇▆▅▃▂▂▂▁16.54417.77618.57118.28720.48218.00219.87718.50517.56415.66615.29914.9614.65114.124
us-gaap:InterestAndFeeIncomeLoansAndLeases ▇▇██▇▆▇▇▆▄▄▄▁▁107.005106.414107.566110.566106.027100.456105.7105.73396.78785.65186.10882.90668.09466.898
us-gaap:InterestExpense ▂▆▇█▇▆▅▄▃▂▂▂▁▁9.61918.53820.45722.08220.29517.76616.0214.21612.09.639.2129.1347.4817.523
us-gaap:InterestIncomeExpenseNet █▆▆▆▆▅▆▆▅▄▄▃▁▁124.146112.511112.745111.321106.708102.955110.283110.678101.40991.58492.85689.84474.5873.028
us-gaap:InterestPaidNet ▃▆██▇▅▅▃▃▁▂11.63418.22221.94121.19820.56216.53717.14313.0713.0548.60110.282NANANA
 us-gaap:AllocatedShareBasedCompensationExpense us-gaap:AwardType us-gaap:RestrictedStockUnitsRSU▅█▄▅▅█▄▄▄▇▁▄▄▆1.22.21.01.21.22.40.70.90.91.9-0.40.91.01.7
us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest ▄▁▅▅█▄▄▅▃▂▃▂▂▁37.54825.94943.00642.55358.75339.80738.82642.66635.3328.39135.17830.35730.01723.54
us-gaap:IncomeTaxExpenseBenefit ▂▁▁▂▅▂▂▃▂▁█▃▂▁7.4175.9095.1557.94113.5848.316.6858.9567.4515.12321.5068.7258.0595.53
us-gaap:OtherComprehensiveIncomeLossNetOfTax █▁▂▄▅▅▅▃▃▂▃▃▃▃58.729-25.245-18.71412.64916.74320.04518.173-5.279-5.093-14.6961.0513.3794.5452.104
us-gaap:NetIncomeLoss ▅▂▆▆█▅▅▅▄▃▁▃▃▂30.13120.0437.85134.61245.16931.49732.14133.7127.87923.26813.67221.63221.95818.01
us-gaap:ComprehensiveIncomeNetOfTax █▁▃▅▆▅▅▄▃▂▂▃▃▃88.86-5.20519.13747.26161.91251.54250.31428.43122.7868.57214.72325.01126.50320.114
us-gaap:NetIncomeLossAvailableToCommonStockholdersBasic ▅▂▆▆█▅▅▅▄▃▁▃▃▂30.13120.0437.85134.61245.16931.49732.14133.69727.86623.25513.65921.62221.94917.996
  2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
  2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
  2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
us-gaap:Assets █▆▆▅▅▄▄▄▄▃▃▃▁▁15026.15313294.50913209.59712569.26212160.2911312.49511408.00611335.13211301.9210055.8639810.7399755.6278204.7218361.845
us-gaap:Liabilities █▆▆▅▅▄▄▄▄▃▃▃▁▁13278.77611740.79511631.4611005.41910638.5039940.39310082.83110054.73910046.1739004.3588819.2828773.9437398.7517580.533
us-gaap:LiabilitiesAndStockholdersEquity █▆▆▅▅▄▄▄▄▃▃▃▁▁15026.15313294.50913209.59712569.26212160.2911312.49511408.00611335.13211301.9210055.8639810.7399755.6278204.7218361.845
us-gaap:StockholdersEquity █▇▇▇▆▅▅▅▄▃▃▂▁▁1747.3771553.7141578.1371563.8431521.7871372.1021325.1751280.3931255.7471051.505991.457981.684805.97781.312
  2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
us-gaap:CashAndCashEquivalentsAtCarryingValue ▅▂▄▅█▆▂▅▄▂▁▂▁▁453.578239.743378.734447.767642.139492.501273.63437.375388.006266.346196.003251.736181.776173.151
  2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
us-gaap:AmortizationOfIntangibleAssets ▆▇▇▇█▆▆▆▅▃▃▃▁▁2.6962.9812.9182.8993.3132.8422.5922.6262.2741.8631.8251.8631.2181.171
us-gaap:PropertyPlantAndEquipmentNet ████▇▅▆▇█▃▃▃▁▁197.914197.993197.558195.984194.628183.185187.418193.802195.981171.385172.324174.533162.423164.183
us-gaap:Goodwill █████▇▇▇▇▄▃▃▁▁446.345446.345446.345427.097427.097391.668391.7391.7391.7270.305236.615236.6141.461141.461
us-gaap:IntangibleAssetsNetExcludingGoodwill ▁▁▂▂▃▆▇██▄▃▄▃▃48.4850.92755.42456.0959.89873.60578.55182.1184.69466.53461.0663.62757.58659.509
us-gaap:FiniteLivedIntangibleAssetsNet ▁▁▂▂▃▂▇██▄▃▄▃▃48.4850.92755.42456.0959.89852.59278.55182.1184.69466.53461.0663.62757.58659.509
us-gaap:OperatingLeaseRightOfUseAsset ▂▃▅█▁█21.47421.86823.224.67721.07624.664NANANANANANANANA
us-gaap:EquitySecuritiesFvNi █▅▅▅▅▂▂▁19.39118.2618.43518.36218.15717.33917.08616.9NANANANANANA
  2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
  2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
  2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
us-gaap:StockholdersEquity █▇▇▇▆▅▅▅▄▃▃▂▁▁1747.3771553.7141578.1371563.8431521.7871372.1021325.1751280.3931255.7471051.505991.457981.684805.97781.312
us-gaap:CommonStockValue █████▆▆▆▆▄▃▃▁▁36.84536.80736.70436.69636.6934.60434.47734.47334.43831.06829.95329.94626.70126.674
us-gaap:AdditionalPaidInCapitalCommonStock █████▇▇▇▇▄▃▃▁▁844.202842.78839.857838.543837.15745.596743.095742.08740.128557.99503.709503.262352.5351.423
us-gaap:RetainedEarningsAccumulatedDeficit █▇█▇▆▅▅▄▃▃▂▂▁▁723.067700.298702.502670.816642.808603.506579.252553.662524.786500.959481.331468.556450.228431.219
us-gaap:AccumulatedOtherComprehensiveIncomeLossNetOfTax █▃▅▇▆▄▃▁▁▂▃▃▃▃32.558-26.171-0.92617.7885.139-11.604-31.649-49.822-44.543-39.45-24.474-21.018-24.397-28.942
us-gaap:StockIssuedDuringPeriodValueNewIssues 110.705NANANANANANANANANANANANANA
  2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
us-gaap:NetCashProvidedByUsedInOperatingActivities ▁▁▇▃▃▃██▃▆▂▆▄▃14.00317.05264.26434.61128.2534.04975.67773.38834.64659.03926.07357.94238.15933.756
us-gaap:NetCashProvidedByUsedInInvestingActivities ▁▆▅▄▇█▆▇▇█▆▆▇▇-1435.528-218.102-326.64-580.16634.363298.473-266.372-12.459-31.843186.454-129.349-73.728149.9580.425
us-gaap:NetCashProvidedByUsedInFinancingActivities █▂▂▃▂▁▂▂▂▁▂▂▁▁1635.3662.059193.343351.18387.025-113.65126.95-11.56118.857-175.1547.54385.746-179.484-99.754
us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect █▂▃▁▇█▂▅▆▅213.835-138.991-69.033-194.372149.638218.871-163.74549.369121.6670.343NANANANA
  2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
us-gaap:NetCashProvidedByUsedInOperatingActivities ▁▁▇▃▃▃██▃▆▂▆▄▃14.00317.05264.26434.61128.2534.04975.67773.38834.64659.03926.07357.94238.15933.756
us-gaap:NetIncomeLoss ▅▂▆▆█▅▅▅▄▃▁▃▃▂30.13120.0437.85134.61245.16931.49732.14133.7127.87923.26813.67221.63221.95818.01
us-gaap:DepreciationDepletionAndAmortization ▂▂▃▃▇▇▇█▄▁▄▇▄▂6.9717.17.2367.2468.168.1558.1448.3747.4716.8027.4068.1727.5437.023
us-gaap:IncreaseDecreaseInOtherOperatingCapitalNet ▄█▂▄▄▅▄▁▄▄▄▂▃▅12.840.513-5.9211.52212.69116.4936.781-14.62611.1645.4418.511-6.352-1.77813.767
us-gaap:ShareBasedCompensation ▄▇▄▄▄█▂▃▃▆▁▂▃▆1.3362.2221.2371.2311.2272.3750.8160.9190.9121.8580.480.8250.9811.782
  2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
us-gaap:NetCashProvidedByUsedInInvestingActivities ▁▆▅▄▇█▆▇▇█▆▆▇▇-1435.528-218.102-326.64-580.16634.363298.473-266.372-12.459-31.843186.454-129.349-73.728149.9580.425
us-gaap:PaymentsToAcquirePropertyPlantAndEquipment ▃▃█▄▂▁▁▂▆▂▁▁▂▃3.9563.7239.5394.482.7861.1230.9492.0057.4322.3561.2371.1932.0953.588
  2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
us-gaap:NetCashProvidedByUsedInFinancingActivities █▂▂▃▂▁▂▂▂▁▂▂▁▁1635.3662.059193.343351.18387.025-113.65126.95-11.56118.857-175.1547.54385.746-179.484-99.754
us-gaap:PaymentsOfDividends ██▇▇▆▅▇▄▃▃▅▂▁▁7.3627.3536.6066.6045.8675.536.5514.8344.0523.925.4043.3042.9492.9
  2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31

None

us-gaap:CommonStockValue

us-gaap:CommonStockValue


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302010-12-31
Value3636363636343434343129292626262424242220202018181818181616161616161616161616
Percentage of CommonStockValue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.20.30.30.30.30.30.30.30.30.30.30.30.30.30.30.30.30.30.30.30.30.30.30.30.30.30.30.30.30.30.30.40.40.40.40.40.40.4

None

us-gaap:PreferredStockParOrStatedValuePerShare us-gaap:StatementClassOfStock

us-gaap:PreferredStockParOrStatedValuePerShare

us-gaap:SeriesCPreferredStock


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302010-12-31
Value1.01.01.01.01.01.01.01.01.01.01.01.01.01.01.01.01.01.01.01.01.01.01.01.01.01.01.01.01.01.01.01.01.01.01.01.00
Percentage of PreferredStockParOrStatedValuePerShare100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0

us-gaap:SeriesDPreferredStock


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-31
Value1.01.01.01.01.01.01.01.01.01.01.01.01.01.01.01.01.01.00
Percentage of PreferredStockParOrStatedValuePerShare100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0

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
Value3636363636343434343129292626262424242220202018181818181616161616161616161616
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:PreferredStockSharesIssued us-gaap:StatementClassOfStock

us-gaap:PreferredStockSharesIssued

us-gaap:SeriesBPreferredStock


None
Period End2020-06-302019-12-312012-06-302012-03-312011-12-312011-09-302011-06-302010-12-31
Value00000081698.081698.0
Percentage of PreferredStockSharesIssued0.00.00.00.00.00.0100.0100.0

us-gaap:SeriesCPreferredStock


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302010-12-31
Value00000000000000081698.081698.081698.081698.081698.081698.081698.081698.081698.081698.081698.081698.081698.081698.081698.081698.081698.081698.00
Percentage of PreferredStockSharesIssued0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:SeriesDPreferredStock


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-31
Value00000000745.0745.0745.0745.0745.0745.03000.01078.03000.03000.00
Percentage of PreferredStockSharesIssued0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:SeriesEPreferredStock


None
Period End2020-06-302019-12-31
Value11500.00
Percentage of PreferredStockSharesIssued0.00.0

None

us-gaap:CommonStockSharesAuthorized

us-gaap:CommonStockSharesAuthorized


None
Period End2020-06-302019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302010-12-31
Value60606060404040404040404030303030303030302525252525252525252525252525252525
Percentage of CommonStockSharesAuthorized100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

None

us-gaap:PreferredStockSharesAuthorized us-gaap:StatementClassOfStock

us-gaap:PreferredStockSharesAuthorized

us-gaap:PreferredStock


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302010-12-31
Value6104.017604.017604.017604.017604.017604.017604.017604.017604.017604.017604.017604.017604.017604.017604.020604.020604.020604.020604.020604.020604.020604.020604.020604.020604.020604.020604.020604.020604.020604.020604.020604.020604.0102300.0102300.0
Percentage of PreferredStockSharesAuthorized100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:SeriesCPreferredStock


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302010-12-31
Value81698.081698.081698.081698.081698.081698.081698.081698.081698.081698.081698.081698.081698.081698.0081698.081698.081698.081698.081698.081698.081698.081698.081698.081698.081698.081698.081698.081698.081698.081698.081698.081698.00
Percentage of PreferredStockSharesAuthorized1338.4464.1464.1464.1464.1464.1464.1464.1464.1464.1464.1464.1464.1464.10.0396.5396.5396.5396.5396.5396.5396.5396.5396.5396.5396.5396.5396.5396.5396.5396.5396.5396.50.0

us-gaap:SeriesDPreferredStock


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-31
Value3000.03000.03000.03000.03000.03000.03000.03000.03000.03000.03000.03000.03000.03000.03000.03000.03000.03000.00
Percentage of PreferredStockSharesAuthorized49.117.017.017.017.017.017.017.017.017.017.017.017.017.017.00.00.00.00.0

us-gaap:SeriesEPreferredStock


None
Period End2020-06-302019-12-31
Value11500.00
Percentage of PreferredStockSharesAuthorized188.40.0

None

us-gaap:WeightedAverageNumberOfDilutedSharesOutstanding

us-gaap:WeightedAverageNumberOfDilutedSharesOutstanding


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-31
Value3636363635343434323030292626252424242120202018181818181717171616161616161616
Percentage of WeightedAverageNumberOfDilutedSharesOutstanding100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

None

us-gaap:WeightedAverageNumberOfSharesOutstandingBasic

us-gaap:WeightedAverageNumberOfSharesOutstandingBasic


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-31
Value3636363635343434323029292626252424232120202018181818181616161616161616161616
Percentage of WeightedAverageNumberOfSharesOutstandingBasic100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

None

us-gaap:AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount

us-gaap:AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount


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
Value54000.008000.07000.02000.00000000057000.000094000.095000.095000.0105000.0105000.0105000.0446000.0500000.0509000.0522000.0537000.0
Percentage of AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount100.00.0100.0100.0100.00.00.00.00.00.00.00.00.0100.00.00.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

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
Value0.820.541.030.941.260.910.930.980.850.760.460.730.820.680.750.820.850.840.680.70.730.770.650.640.570.360.430.390.550.720.540.770.790.720.320.210.540.180.310.340.23
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
Value0.820.541.030.941.260.910.930.970.850.760.450.720.810.680.740.810.840.820.670.690.720.760.640.630.560.360.420.380.540.70.540.750.770.710.310.20.540.180.320.340.23
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:RevenueFromContractWithCustomerExcludingAssessedTax

us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value1617181820181918171515141414
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:ProductOrService

htlf:FinancialServiceBrokerageAndInsuranceCommissions


None
Period 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
Value0.5950.7331.0620.9621.0280.7341.6181.1110.8770.9071.0710.95
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax3.64.15.75.35.04.18.16.05.05.87.06.4
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax3.64.15.75.35.04.18.16.05.05.87.06.4
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax htlf:FinancialServiceBrokerageAndInsuranceCommissions100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

htlf:FinancialServicesCreditCardFees


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value4.0673.94.0393.9364.273.3493.453.0622.9922.191.7561.9942.1852.033
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax24.621.921.721.520.818.617.416.517.014.011.513.314.914.4
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax24.621.921.721.520.818.617.416.517.014.011.513.314.914.4
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax htlf:FinancialServicesCreditCardFees100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

htlf:FinancialServicesCustomerServiceFees


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value0.0350.0590.0610.1040.0840.0810.0610.1010.0870.0770.0710.1020.0650.049
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.20.30.30.60.40.40.30.50.50.50.50.70.40.3
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.20.30.30.60.40.40.30.50.50.50.50.70.40.3
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax htlf:FinancialServicesCustomerServiceFees100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

htlf:FinancialServicesDebitCardFees


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value1.761.8151.8552.1884.2133.6424.0473.8833.682.9853.0762.9852.9023.021
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax10.610.210.012.020.620.220.421.021.019.120.120.019.821.4
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax10.610.210.012.020.620.220.421.021.019.120.120.019.821.4
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax htlf:FinancialServicesDebitCardFees100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

htlf:FinancialServicesOverdraftFees


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value1.6342.8093.0062.9172.8762.7443.082.992.5182.2082.4152.4792.2782.193
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax9.915.816.216.014.015.215.516.214.314.115.816.615.515.5
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax9.915.816.216.014.015.215.516.214.314.115.816.615.515.5
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax htlf:FinancialServicesOverdraftFees100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

htlf:FinancialServicesServiceChargesAndDepositAccountFees


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value3.4763.4383.4073.2213.1862.9773.0212.8582.7942.6182.5682.5772.2652.16
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax21.019.318.317.615.616.515.215.415.916.716.817.215.515.3
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax21.019.318.317.615.616.515.215.415.916.716.817.215.515.3
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax htlf:FinancialServicesServiceChargesAndDepositAccountFees100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:FiduciaryAndTrust


None
Period 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
Value4.9775.0225.1414.9594.8254.4744.5994.4994.6154.684.3363.872
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax30.128.327.727.123.624.923.124.326.329.928.325.9
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax30.128.327.727.123.624.923.124.326.329.928.325.9
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:FiduciaryAndTrust100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:FinancialService


None
Period 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
Value101212121412131212109.89210
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax66.367.666.667.671.471.168.769.768.764.364.767.8
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax66.367.666.667.671.471.168.769.768.764.364.767.8
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:FinancialService100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

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
Value107106107110106100105105968586826866697069685958555350494846444039393939393837373736373838
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 RevenueFromContractWithCustomerExcludingAssessedTax646.8598.6579.2604.6517.7558.0531.8571.4551.1546.7562.8554.2464.8473.60.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

None

us-gaap: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
Value9.61918202220171614129.639.2129.1347.4817.5237.6178.0068.2137.9777.4577.5447.7979.1728.228.6238.4648.6629.2638.5238.8769.0219.5339.7479.8531010111112121314
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 RevenueFromContractWithCustomerExcludingAssessedTax58.1104.3110.2120.899.198.780.676.868.361.560.261.151.153.30.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

None

us-gaap: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
Value1241121121111061021101101019192897473757373726259575352515048463938383736373836363635353635
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 RevenueFromContractWithCustomerExcludingAssessedTax750.4632.9607.1608.7521.0571.9554.8598.1577.4584.6606.9600.6509.0517.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

None

us-gaap:InterestPaidNet

us-gaap:InterestPaidNet


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-31
Value1118212120161713138.60110
Percentage of InterestPaidNet100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax70.3102.5118.1115.9100.491.986.270.674.354.967.2

None

us-gaap:AllocatedShareBasedCompensationExpense us-gaap:AwardType

us-gaap:AllocatedShareBasedCompensationExpense

us-gaap:RestrictedStockUnitsRSU


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-31
Value1200000.02200000.01000000.01200000.01200000.02400000.0700000.0900000.0900000.01900000.0-400000.0900000.01000000.01700000.0-500000.0700000.01300000.01100000.00700000.0800000.01100000.0200000.0900000.0700000.01100000.0200000.00511000.0989000.0
Percentage of AllocatedShareBasedCompensationExpense100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax7.312.45.46.65.913.33.54.95.112.1-2.66.06.812.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:RestrictedStockUnitsRSU0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

None

us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest

us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-30
Value372543425839384235283530302327283129181919231614148.5937.9818.30213177.2311920197.8889.907155.4337.962117.113
Percentage of IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax227.0146.0231.6232.7286.9221.1195.3230.6201.2181.2229.9202.9204.9166.70.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

None

us-gaap: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
Value7.4175.9095.1557.941138.316.6858.9567.4515.123218.7258.0595.538.368.26109.94.3654.9453.9897.5994.3272.9164.151.7030.0461.4923.5985.199-2.2586.3387.0326.2721.6712.5494.871.2121.4644.1872.035
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 RevenueFromContractWithCustomerExcludingAssessedTax44.833.227.843.466.346.233.648.442.432.7140.658.355.039.20.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

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

us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncome, us-gaap:AccumulatedOtherComprehensiveIncome


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-31
Value0.6140.4660.150.5020.880.358-0.009-0.026-0.0610.2610.3460.5110.4070.7780.4110.4081.5511.2121.1780.4510.9521.4130.2370.0930.1050.097-0.0030.2220.5761.099
Percentage of IncomeTaxExpenseBenefit8.37.92.96.36.54.3-0.1-0.3-0.85.11.65.95.114.14.94.915.512.227.09.123.918.65.53.22.55.7-6.514.916.021.1
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax3.72.60.82.74.32.0-0.0-0.1-0.31.72.33.42.85.50.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncome us-gaap:AccumulatedOtherComprehensiveIncome0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

None

us-gaap:OtherComprehensiveIncomeLossNetOfTax

us-gaap:OtherComprehensiveIncomeLossNetOfTax


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-30
Value58-25.245-18.71412162018-5.279-5.093-14.6961.0513.3794.5452.104-27.967-3.592-1.4117.951-7.758-1.328-2.1963.7271.252-0.0135.19112-3.517-3.619-24.031-2.81-3.2077.766-2.3362.271-4.4094.5864.981
Percentage of OtherComprehensiveIncomeLossNetOfTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax355.0-142.0-100.869.281.7111.391.4-28.5-29.0-93.86.922.631.014.90.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

None

us-gaap: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
Value302037344531323327231321211819202020141415151211106.897.9356.819.556129.4071313126.2487.358104.2216.4986.895.078
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 RevenueFromContractWithCustomerExcludingAssessedTax182.1112.7203.8189.3220.5175.0161.7182.2158.7148.589.4144.6149.9127.50.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

None

us-gaap:ComprehensiveIncomeNetOfTax

us-gaap:ComprehensiveIncomeNetOfTax


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-31
Value88-5.205194761515028228.57214252620131115194.4183.191-14.4759.6786.2232111151.84411152.693
Percentage of ComprehensiveIncomeNetOfTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax537.1-29.3103.0258.4302.3286.3253.1153.6129.754.796.2167.2180.9142.40.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:ComprehensiveIncomeNetOfTax us-gaap:StatementEquityComponents

us-gaap:AccumulatedOtherComprehensiveIncome


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312012-09-302012-06-302012-03-312011-03-31
Value58-25.245-18.71412162018-5.279-5.093-14.6961.0513.3794.5452.1047.77-2.3172.271-1.528
Percentage of ComprehensiveIncomeNetOfTax66.1485.0-97.826.827.038.936.1-18.6-22.4-171.47.113.517.110.536.4-19.915.1-56.7
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax355.0-142.0-100.869.281.7111.391.4-28.5-29.0-93.86.922.631.014.90.00.00.00.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:AccumulatedOtherComprehensiveIncome0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:RetainedEarnings


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312012-09-302012-06-302012-03-312011-03-31
Value30203734453132332723132121181313124.237
Percentage of ComprehensiveIncomeNetOfTax33.9-385.0197.873.273.061.163.9118.6122.4271.492.986.582.989.563.6120.085.1157.3
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax182.1112.7203.8189.3220.5175.0161.7182.2158.7148.589.4144.6149.9127.50.00.00.00.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:RetainedEarnings0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

None

us-gaap:NetIncomeLossAvailableToCommonStockholdersBasic

us-gaap:NetIncomeLossAvailableToCommonStockholdersBasic


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-30
Value302037344531323327231321211719202019141414151211106.6867.7316.5349.351128.9981212115.2273.3918.8852.9015.1975.5843.767
Percentage of NetIncomeLossAvailableToCommonStockholdersBasic100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax182.1112.7203.8189.3220.5175.0161.7182.1158.7148.489.3144.5149.8127.40.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

None

us-gaap: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
Value150261329413209125691216011312114081133511301100559810975582048361824782028204825376946805671765066052593459135747592349124959490049904593442743124305411240103999
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

us-gaap:Assets dei:LegalEntity

htlf:AIMBancsharesInc


None
Period End2020-06-302020-03-312019-12-31
Value195018201780
Percentage of Assets13.013.713.5
Percentage of Assets13.013.713.5
Percentage of Assets htlf:AIMBancsharesInc100.0100.0100.0

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
Value1327811740116311100510638994010082100541004690048819877373987580750674977516758470316214613759385556545154415289548445164564448645864198405239463952375936653667
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 Assets88.488.388.187.687.587.988.488.788.989.589.989.990.290.791.091.491.691.991.491.391.491.391.891.992.092.092.691.992.091.691.991.491.591.591.891.491.491.7

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
Value150261329413209125691216011312114081133511301100559810975582048361824782028204825376946805671765066052593459135747592349124959490049904593442743124305411240103999
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 End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312015-12-312014-12-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302010-12-31
Value1747155315781563152113721325128012551051991981805781740663496439396395411401392372363350350342329
Percentage of StockholdersEquity100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets11.611.711.912.412.512.111.611.311.110.510.110.19.89.39.08.68.27.48.18.08.48.18.58.48.48.18.58.58.2

us-gaap:StockholdersEquity us-gaap:StatementEquityComponents

us-gaap:AccumulatedOtherComprehensiveIncome


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312015-12-312014-12-312013-12-31
Value32-26.171-0.926175.139-11.604-31.649-49.822-44.543-39.45-24.474-21.018-24.397-28.942-31.046-6.0271.528-17.336
Percentage of StockholdersEquity1.9-1.7-0.11.10.3-0.8-2.4-3.9-3.5-3.8-2.5-2.1-3.0-3.7-4.2-0.90.3-3.9
Percentage of Assets0.2-0.2-0.00.10.0-0.1-0.3-0.4-0.4-0.4-0.2-0.2-0.3-0.3-0.4-0.10.0-0.3
Percentage of Assets us-gaap:AccumulatedOtherComprehensiveIncome0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:AdditionalPaidInCapital


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312015-12-312014-12-312013-12-31
Value8448428398388377457437427405575035033523513282169591
Percentage of StockholdersEquity48.354.253.253.655.054.356.158.058.953.150.851.343.745.044.332.619.320.9
Percentage of Assets5.66.36.46.76.96.66.56.56.55.55.15.24.34.24.02.81.61.5
Percentage of Assets us-gaap:AdditionalPaidInCapital0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:CommonStock


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312015-12-312014-12-312013-12-31
Value363636363634343434312929262626221818
Percentage of StockholdersEquity2.12.42.32.32.42.52.62.72.73.03.03.13.33.43.53.43.74.2
Percentage of Assets0.20.30.30.30.30.30.30.30.30.30.30.30.30.30.30.30.30.3
Percentage of Assets us-gaap:CommonStock0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:PreferredStock


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312015-12-312014-12-312013-12-31
Value1100.00.00.00.00.00.00.00.9380.9380.9380.9380.9380.9381.357818181
Percentage of StockholdersEquity6.30.00.00.00.00.00.00.00.10.10.10.10.10.10.212.316.518.6
Percentage of Assets0.70.00.00.00.00.00.00.00.00.00.00.00.00.00.01.11.31.4
Percentage of Assets us-gaap:PreferredStock0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:RetainedEarnings


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312015-12-312014-12-312013-12-31
Value723700702670642603579553524500481468450431416348298265
Percentage of StockholdersEquity41.445.144.542.942.244.043.743.241.847.648.547.755.955.256.252.660.260.3
Percentage of Assets4.85.35.35.35.35.35.14.94.65.04.94.85.55.25.04.54.94.5
Percentage of Assets us-gaap:RetainedEarnings0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

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
Value4532393784476424922734373882661962511811731582022291332589111911173671028812516511274168191821501298114886621417518251
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 Assets3.01.82.93.65.34.42.43.93.42.62.02.62.22.11.92.52.81.63.41.31.81.71.21.11.71.52.13.42.31.53.44.21.93.53.02.03.70.01.60.00.00.00.0

None

us-gaap:AmortizationOfIntangibleAssets

us-gaap:AmortizationOfIntangibleAssets


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-30
Value2.6962.9812.9182.8993.3132.8422.5922.6262.2741.8631.8251.8631.2181.1711.1471.2911.2971.8950.8980.7340.7150.6310.4870.5210.5910.6240.4690.1960.1980.20.1630.1460.1220.1310.1410.1410.1440.1460.1460.1490.145
Percentage of AmortizationOfIntangibleAssets100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

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
Value197197197195194183187193195171172174162164163162164160146144143145130132133135135129129128128120114111110110118121
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 Assets1.31.51.51.61.61.61.61.71.71.71.81.82.02.02.02.02.01.91.92.12.12.22.22.22.32.32.32.62.62.62.62.62.62.62.62.73.03.0

None

us-gaap:Goodwill

us-gaap:Goodwill


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302010-12-31
Value4464464464274273913913913912702362361411411271271271279756545135353535353030303026252525252525
Percentage of Goodwill100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets3.03.43.43.43.53.53.43.53.52.72.42.41.71.71.51.61.61.51.30.80.80.80.60.60.60.60.60.60.60.60.60.60.60.60.60.60.60.6

None

us-gaap:IntangibleAssetsNetExcludingGoodwill

us-gaap:IntangibleAssetsNetExcludingGoodwill


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302010-12-31
Value4850555659737882846661635759585960615648454433333232322322201815141312121313
Percentage of IntangibleAssetsNetExcludingGoodwill100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.30.40.40.40.50.70.70.70.70.70.60.70.70.70.70.70.70.70.70.70.70.70.60.60.60.60.60.50.40.40.40.30.30.30.30.30.30.3

us-gaap:IntangibleAssetsNetExcludingGoodwill us-gaap:FiniteLivedIntangibleAssetsByMajorClass

htlf:CommercialServicingRights


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-31
Value0.9841.0951.1151.2491.3791.4961.7091.8682.0412.3062.6092.8573.1043.4823.694.0644.3674.464.6114.1573.9444.1720.0
Percentage of IntangibleAssetsNetExcludingGoodwill2.02.22.02.22.32.02.22.32.43.54.34.55.45.96.36.87.27.38.18.58.79.50.0
Percentage of Assets0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.10.10.10.10.10.10.0
Percentage of Assets htlf:CommercialServicingRights0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

htlf:MortgageServicingRights


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302016-12-31
Value4.4854.1255.6215.0225.801272930292323233132
Percentage of IntangibleAssetsNetExcludingGoodwill9.38.110.19.09.737.337.436.735.434.838.137.354.954.8
Percentage of Assets0.00.00.00.00.00.20.30.30.30.20.20.20.40.4
Percentage of Assets htlf:MortgageServicingRights0.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:CoreDeposits


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302011-12-31
Value424548495244474952403436222322232426211413138.5449.029.5310101.7811.9662.1532.3411.3250.9231.142
Percentage of IntangibleAssetsNetExcludingGoodwill88.389.487.588.487.660.360.160.761.961.357.257.739.239.938.339.440.942.638.029.929.331.725.227.029.130.932.57.68.910.612.78.56.58.8
Percentage of Assets0.30.30.40.40.40.40.40.40.50.40.40.40.30.30.30.30.30.30.30.20.20.20.10.20.20.20.20.00.00.00.00.00.00.0
Percentage of Assets us-gaap:CoreDeposits0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:CustomerRelationships


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302011-12-31
Value0.1860.1950.2050.2140.2240.2330.2420.2520.2620.2710.2810.2910.30.3110.320.3310.3410.3510.3620.3720.3830.3930.4040.4140.4250.4360.4470.4580.4690.480.4920.4960.5080.542
Percentage of IntangibleAssetsNetExcludingGoodwill0.40.40.40.40.40.30.30.30.30.40.50.50.50.50.50.60.60.60.60.80.80.91.21.21.31.31.42.02.12.42.73.23.64.2
Percentage of Assets0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0
Percentage of Assets us-gaap:CustomerRelationships0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

None

us-gaap:FiniteLivedIntangibleAssetsNet

us-gaap:FiniteLivedIntangibleAssetsNet


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-30
Value4850555659527882846661635759585960615648
Percentage of FiniteLivedIntangibleAssetsNet100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.30.40.40.40.50.50.70.70.70.70.60.70.70.70.70.70.70.70.70.7

us-gaap:FiniteLivedIntangibleAssetsNet us-gaap:FiniteLivedIntangibleAssetsByMajorClass

htlf:CommercialServicingRights


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-30
Value0.9841.0951.1151.2491.3791.4961.7091.8682.0412.3062.6092.8573.1043.4823.694.0644.3674.464.6114.157
Percentage of FiniteLivedIntangibleAssetsNet2.02.22.02.22.32.82.22.32.43.54.34.55.45.96.36.87.27.38.18.5
Percentage of Assets0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.10.10.10.1
Percentage of Assets htlf:CommercialServicingRights0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

htlf:MortgageServicingRights


None
Period End2020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-30
Value4.4854.1255.0225.8016.4593029232331
Percentage of FiniteLivedIntangibleAssetsNet9.38.19.09.712.336.735.434.837.354.9
Percentage of Assets0.00.00.00.00.10.30.30.20.20.4
Percentage of Assets htlf:MortgageServicingRights0.00.00.00.00.00.00.00.00.00.0

us-gaap:CoreDeposits


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-30
Value4245484952444749524034362223222324262114
Percentage of FiniteLivedIntangibleAssetsNet88.389.487.588.487.684.460.160.761.961.357.257.739.239.938.339.440.942.638.029.9
Percentage of Assets0.30.30.40.40.40.40.40.40.50.40.40.40.30.30.30.30.30.30.30.2
Percentage of Assets us-gaap:CoreDeposits0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:CustomerRelationships


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-30
Value0.1860.1950.2050.2140.2240.2330.2420.2520.2620.2710.2810.2910.30.3110.320.3310.3410.3510.3620.372
Percentage of FiniteLivedIntangibleAssetsNet0.40.40.40.40.40.40.30.30.30.40.50.50.50.50.50.60.60.60.60.8
Percentage of Assets0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0
Percentage of Assets us-gaap:CustomerRelationships0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

None

us-gaap:OperatingLeaseRightOfUseAsset

us-gaap:OperatingLeaseRightOfUseAsset


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value212123242124
Percentage of OperatingLeaseRightOfUseAsset100.0100.0100.0100.0100.0100.0
Percentage of Assets0.10.20.20.20.20.2

None

us-gaap:EquitySecuritiesFvNi

us-gaap:EquitySecuritiesFvNi


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-30
Value1918181818171716
Percentage of EquitySecuritiesFvNi100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.10.10.10.10.10.20.10.1

us-gaap:EquitySecuritiesFvNi us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementFrequency

us-gaap:FairValueInputsLevel2, us-gaap:FairValueMeasurementsRecurring


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-30
Value1918181818171716
Percentage of EquitySecuritiesFvNi100.0100.0100.0100.0100.0100.0100.0100.1
Percentage of Assets0.10.10.10.10.10.20.10.1
Percentage of Assets us-gaap:FairValueInputsLevel2 us-gaap:FairValueMeasurementsRecurring0.00.00.00.00.00.00.00.0

us-gaap:EquitySecuritiesFvNi us-gaap:FairValueByMeasurementFrequency

us-gaap:FairValueMeasurementsRecurring


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-30
Value1918181818171716
Percentage of EquitySecuritiesFvNi100.0100.0100.0100.0100.0100.0100.0100.1
Percentage of Assets0.10.10.10.10.10.20.10.1
Percentage of Assets us-gaap:FairValueMeasurementsRecurring0.00.00.00.00.00.00.00.0

None

us-gaap:StockholdersEquity

us-gaap:StockholdersEquity


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312015-12-312014-12-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302010-12-31
Value1747155315781563152113721325128012551051991981805781740663496439396395411401392372363350350342329
Percentage of StockholdersEquity100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets11.611.711.912.412.512.111.611.311.110.510.110.19.89.39.08.68.27.48.18.08.48.18.58.48.48.18.58.58.2

us-gaap:StockholdersEquity us-gaap:StatementEquityComponents

us-gaap:AccumulatedOtherComprehensiveIncome


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312015-12-312014-12-312013-12-31
Value32-26.171-0.926175.139-11.604-31.649-49.822-44.543-39.45-24.474-21.018-24.397-28.942-31.046-6.0271.528-17.336
Percentage of StockholdersEquity1.9-1.7-0.11.10.3-0.8-2.4-3.9-3.5-3.8-2.5-2.1-3.0-3.7-4.2-0.90.3-3.9
Percentage of Assets0.2-0.2-0.00.10.0-0.1-0.3-0.4-0.4-0.4-0.2-0.2-0.3-0.3-0.4-0.10.0-0.3
Percentage of Assets us-gaap:AccumulatedOtherComprehensiveIncome0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:AdditionalPaidInCapital


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312015-12-312014-12-312013-12-31
Value8448428398388377457437427405575035033523513282169591
Percentage of StockholdersEquity48.354.253.253.655.054.356.158.058.953.150.851.343.745.044.332.619.320.9
Percentage of Assets5.66.36.46.76.96.66.56.56.55.55.15.24.34.24.02.81.61.5
Percentage of Assets us-gaap:AdditionalPaidInCapital0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:CommonStock


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312015-12-312014-12-312013-12-31
Value363636363634343434312929262626221818
Percentage of StockholdersEquity2.12.42.32.32.42.52.62.72.73.03.03.13.33.43.53.43.74.2
Percentage of Assets0.20.30.30.30.30.30.30.30.30.30.30.30.30.30.30.30.30.3
Percentage of Assets us-gaap:CommonStock0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:PreferredStock


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312015-12-312014-12-312013-12-31
Value1100.00.00.00.00.00.00.00.9380.9380.9380.9380.9380.9381.357818181
Percentage of StockholdersEquity6.30.00.00.00.00.00.00.00.10.10.10.10.10.10.212.316.518.6
Percentage of Assets0.70.00.00.00.00.00.00.00.00.00.00.00.00.00.01.11.31.4
Percentage of Assets us-gaap:PreferredStock0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:RetainedEarnings


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312015-12-312014-12-312013-12-31
Value723700702670642603579553524500481468450431416348298265
Percentage of StockholdersEquity41.445.144.542.942.244.043.743.241.847.648.547.755.955.256.252.660.260.3
Percentage of Assets4.85.35.35.35.35.35.14.94.65.04.94.85.55.25.04.54.94.5
Percentage of Assets us-gaap:RetainedEarnings0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

None

us-gaap:CommonStockValue

us-gaap:CommonStockValue


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302010-12-31
Value3636363636343434343129292626262424242220202018181818181616161616161616161616
Percentage of CommonStockValue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.20.30.30.30.30.30.30.30.30.30.30.30.30.30.30.30.30.30.30.30.30.30.30.30.30.30.30.30.30.30.30.40.40.40.40.40.40.4

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
Value84484283983883774574374274055750350335235132827927427321614914814795949392915252525045444343434444
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 Assets5.66.36.46.76.96.66.56.56.55.55.15.24.34.24.03.43.33.32.82.22.22.31.61.61.61.61.51.11.11.11.01.01.01.01.01.01.11.1

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
Value723700702670642603579553524500481468450431416402384366348337325312298288278269265259254246236230219208198194193184
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 Assets4.85.35.35.35.35.35.14.94.65.04.94.85.55.25.04.94.74.44.55.04.84.84.94.94.74.74.55.35.15.04.75.05.04.84.64.74.84.6

None

us-gaap:AccumulatedOtherComprehensiveIncomeLossNetOfTax

us-gaap:AccumulatedOtherComprehensiveIncomeLossNetOfTax


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302010-12-31
Value32-26.171-0.926175.139-11.604-31.649-49.822-44.543-39.45-24.474-21.018-24.397-28.942-31.046-3.0790.5131.924-6.0271.7313.0595.2551.5280.2760.289-4.903-17.336-13.819-10.213161912141216118.517
Percentage of AccumulatedOtherComprehensiveIncomeLossNetOfTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.2-0.2-0.00.10.0-0.1-0.3-0.4-0.4-0.4-0.2-0.2-0.3-0.3-0.4-0.00.00.0-0.10.00.00.10.00.00.0-0.1-0.3-0.3-0.20.30.30.40.30.30.30.40.30.2

None

us-gaap:StockIssuedDuringPeriodValueNewIssues

us-gaap:StockIssuedDuringPeriodValueNewIssues


None
Period End2020-06-302016-03-31
Value1103.777
Percentage of StockIssuedDuringPeriodValueNewIssues100.0100.0
Percentage of Assets0.00.0

us-gaap:StockIssuedDuringPeriodValueNewIssues us-gaap:StatementEquityComponents

us-gaap:PreferredStock


None
Period End2020-06-302016-03-31
Value1103.777
Percentage of StockIssuedDuringPeriodValueNewIssues100.0100.0
Percentage of Assets0.00.0
Percentage of Assets us-gaap:PreferredStock0.00.0

None

us-gaap:NetCashProvidedByUsedInOperatingActivities

us-gaap:NetCashProvidedByUsedInOperatingActivities


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-30
Value141764342834757334592657383352452723474427-18.1555121-3.945113949331232-1.86248-30.005-18.51835331.1937.61733
Percentage of NetCashProvidedByUsedInOperatingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax84.695.9346.0189.3137.9189.1380.7396.6197.3376.9170.4387.3260.5239.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

None

us-gaap:NetCashProvidedByUsedInInvestingActivities

us-gaap:NetCashProvidedByUsedInInvestingActivities


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-30
Value-1435.528-218.102-326.64-580.16634298-266.372-12.459-31.843186-129.349-73.72814980-161.887-55.13114974-72.84595-221.808130-128.947-72.437-117.571125-220.64250-126.47-26.952-182.941.633-191.75423-60.996-192.2564514-33.409-5.83
Percentage of NetCashProvidedByUsedInInvestingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-8677.0-1226.9-1758.9-3172.6167.81658.0-1340.1-67.3-181.31190.2-845.5-492.81023.5569.40.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

None

us-gaap:NetCashProvidedByUsedInFinancingActivities

us-gaap:NetCashProvidedByUsedInFinancingActivities


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-30
Value16356219335187-113.65126-11.56118-175.154785-179.484-99.75465-17.868-80.214-222.925192-168.554202-74.3938316135-173.38141-46.778129-78.88127108762612789-16.5337.753-53.33838
Percentage of NetCashProvidedByUsedInFinancingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax9884.9349.11041.11920.4424.9-631.3135.6-62.5676.7-1118.0310.8573.2-1225.1-706.30.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

None

us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect

us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value213-138.991-69.033-194.372149218-163.7454912170
Percentage of CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax1292.5-781.9-371.7-1062.9730.61215.8-823.8266.8692.7449.0

None

us-gaap:NetCashProvidedByUsedInOperatingActivities

us-gaap:NetCashProvidedByUsedInOperatingActivities


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-30
Value141764342834757334592657383352452723474427-18.1555121-3.945113949331232-1.86248-30.005-18.51835331.1937.61733
Percentage of NetCashProvidedByUsedInOperatingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax84.695.9346.0189.3137.9189.1380.7396.6197.3376.9170.4387.3260.5239.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

None

us-gaap: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
Value302037344531323327231321211819202020141415151211106.897.9356.819.556129.4071313126.2487.358104.2216.4986.895.078
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 RevenueFromContractWithCustomerExcludingAssessedTax182.1112.7203.8189.3220.5175.0161.7182.2158.7148.589.4144.6149.9127.50.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

None

us-gaap:DepreciationDepletionAndAmortization

us-gaap:DepreciationDepletionAndAmortization


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-30
Value6.9717.17.2367.2468.168.1558.1448.3747.4716.8027.4068.1727.5437.0237.7828.1347.1287.7137.7215.1515.4275.7474.714.4944.4574.094.6418.0742.2152.312.1431.8681.781.7531.8341.8431.9241.9452.0642.079
Percentage of DepreciationDepletionAndAmortization100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

None

us-gaap:IncreaseDecreaseInOtherOperatingCapitalNet

us-gaap:IncreaseDecreaseInOtherOperatingCapitalNet


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-30
Value1240-5.921112166.781-14.626115.4418.511-6.352-1.778134.35-5.897-1.5399.8558.577-18.412-1.20511-0.319-5.752-7.9636.319-3.159-6.392-2.12912-5.141-4.0054.836-0.9530.3471.924-7.5540.244-6.345-4.677
Percentage of IncreaseDecreaseInOtherOperatingCapitalNet100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

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
Value1336000.02222000.01237000.01231000.01227000.02375000.0816000.0919000.0912000.01858000.0480000.0825000.0981000.01782000.0405000.0687000.01299000.01087000.0643000.0727000.0769000.01139000.0715000.0852000.0733000.01098000.0290000.0-8000.0557000.0989000.0543000.0427000.0425000.0759000.0349000.0309000.0308000.0312000.0143000.0261000.0
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 End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-30
Value-1435.528-218.102-326.64-580.16634298-266.372-12.459-31.843186-129.349-73.72814980-161.887-55.13114974-72.84595-221.808130-128.947-72.437-117.571125-220.64250-126.47-26.952-182.941.633-191.75423-60.996-192.2564514-33.409-5.83
Percentage of NetCashProvidedByUsedInInvestingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-8677.0-1226.9-1758.9-3172.6167.81658.0-1340.1-67.3-181.31190.2-845.5-492.81023.5569.40.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

None

us-gaap: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
Value3.9563.7239.5394.482.7861.1230.9492.0057.4322.3561.2371.1932.0953.5882.0090.9586.4620.8983.1290.9981.0652.9190.8771.5331.4952.712.0391.4224.2082.8125.976.0414.3733.4032.0852.2820.9931.3591.0521.722
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 End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-30
Value16356219335187-113.65126-11.56118-175.154785-179.484-99.75465-17.868-80.214-222.925192-168.554202-74.3938316135-173.38141-46.778129-78.88127108762612789-16.5337.753-53.33838
Percentage of NetCashProvidedByUsedInFinancingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax9884.9349.11041.11920.4424.9-631.3135.6-62.5676.7-1118.0310.8573.2-1225.1-706.30.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

None

us-gaap:PaymentsOfDividends

us-gaap:PaymentsOfDividends


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-30
Value7.3627.3536.6066.6045.8675.536.5514.8344.0523.925.4043.3042.9492.95.2322.5082.5052.6253.3822.2672.2662.2612.0542.052.052.0492.041.971.8992.0923.7612.5972.6672.672.8463.0052.6622.6592.6542.65
Percentage of PaymentsOfDividends100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

None

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod us-gaap:AwardType, us-gaap:PlanName

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod

htlf:PerformanceBasedRestrictedStockUnits, htlf:LongTermIncentivePlan2012


None
Period End2020-03-312019-09-302019-03-312018-09-302018-03-31
Value50787.050787.034848.034848.016108.0
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod100.0100.0100.0100.0100.0

htlf:TimebasedRSUs, htlf:LongTermIncentivePlan2012


None
Period End2020-03-312019-09-302019-03-312018-09-302018-03-312017-03-312016-03-312015-03-31
Value114940.0114940.090073.090073.052153.055665.072644.078220.0
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod226.3226.3258.5258.5323.80.00.00.0

us-gaap:RestrictedStockUnitsRSU, htlf:LongTermIncentivePlan2012


None
Period End2020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-09-302016-06-302016-03-312015-09-302015-06-302015-03-31
Value46613.00031617.01045.02559.026489.00826.015978.002000.022003.0150.0022348.0300.0
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod0.00.00.00.03.07.30.00.00.00.00.00.00.00.00.00.00.0

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
Value453239378447642492273437388266196158
Percentage of CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

None

us-gaap:ProceedsFromRepaymentsOfShortTermDebt

us-gaap:ProceedsFromRepaymentsOfShortTermDebt


None
Period End2020-06-302020-03-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-30
Value22-34.9870.593-1.326-43.025-28.14913-168.451142-6.704-30.895-131.06885-37.602-64.8841.07729-112.619118-31.76510-72.189164-152.506115-115.133136-21.932-20.682-4.17719-40.548965.178-26.913-40.9339-3.982
Percentage of ProceedsFromRepaymentsOfShortTermDebt100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

htlf:BusinessAcquisitionIntegrationAndRestructuringCosts

htlf:BusinessAcquisitionIntegrationAndRestructuringCosts


None
Period End2020-06-302020-03-312019-06-302019-03-31
Value673000.01376000.0929000.03614000.0
Percentage of BusinessAcquisitionIntegrationAndRestructuringCosts100.0100.0100.0100.0

htlf:CashDivestedForDivestitureOfBusinesses

htlf:CashDivestedForDivestitureOfBusinesses


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-31
Value0.00.00.00.077-28.1420.0
Percentage of CashDivestedForDivestitureOfBusinesses0.00.00.00.0100.0100.00.0

htlf:DebtSecuritiesAvailableForSaleTransferAmountToDebtSecuritiesHeldToMaturity

htlf:DebtSecuritiesAvailableForSaleTransferAmountToDebtSecuritiesHeldToMaturity


None
Period End2020-06-302020-03-312019-06-302019-03-31
Value0462000.000
Percentage of DebtSecuritiesAvailableForSaleTransferAmountToDebtSecuritiesHeldToMaturity0.0100.00.00.0

htlf:DebtSecuritiesHeldToMaturityTrasferAmountToDebtSecuritiesAvailableForSale

htlf:DebtSecuritiesHeldToMaturityTrasferAmountToDebtSecuritiesAvailableForSale


None
Period End2020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-31
Value0.00.00.00.01480.00.00.0
Percentage of DebtSecuritiesHeldToMaturityTrasferAmountToDebtSecuritiesAvailableForSale0.00.00.00.0100.00.00.00.0

htlf:FinancingReceivableAndOffBalanceSheetLiabilityCreditLossProvision

htlf:FinancingReceivableAndOffBalanceSheetLiabilityCreditLossProvision


None
Period End2020-06-302019-06-30
Value264.918
Percentage of FinancingReceivableAndOffBalanceSheetLiabilityCreditLossProvision100.0100.0

htlf:MaturityOfDebtSecuritiesAvailableForSaleSecuritiesAccruedNotPaid

htlf:MaturityOfDebtSecuritiesAvailableForSaleSecuritiesAccruedNotPaid


None
Period End2020-03-312019-03-31
Value01000000.0
Percentage of MaturityOfDebtSecuritiesAvailableForSaleSecuritiesAccruedNotPaid0.0100.0

htlf:NoninterestIncomeExcludingRevenueFromContractWithCustomer

htlf:NoninterestIncomeExcludingRevenueFromContractWithCustomer


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value148.0419.45911118.7157.16811109.0510101011
Percentage of NoninterestIncomeExcludingRevenueFromContractWithCustomer100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

htlf:OperatingLeaseLiabilityLeaseModificationsNoncashReductionOfLeaseLiabilities

htlf:OperatingLeaseLiabilityLeaseModificationsNoncashReductionOfLeaseLiabilities


None
Period End2020-06-302020-03-312019-09-302019-06-302019-03-31
Value0386000.0284000.02487000.00
Percentage of OperatingLeaseLiabilityLeaseModificationsNoncashReductionOfLeaseLiabilities0.0100.0100.0100.00.0

htlf:OperatingLeaseLiabilityLeaseModificationsNoncashReductionOfRightOfUseAssets

htlf:OperatingLeaseLiabilityLeaseModificationsNoncashReductionOfRightOfUseAssets


None
Period End2020-06-302020-03-312019-09-302019-06-302019-03-31
Value17000.0358000.0495000.02464000.01209000.0
Percentage of OperatingLeaseLiabilityLeaseModificationsNoncashReductionOfRightOfUseAssets100.0100.0100.0100.0100.0

htlf:PartnershipInvestmentInTaxCreditProjects

htlf:PartnershipInvestmentInTaxCreditProjects


None
Period End2020-06-302020-03-312019-06-302019-03-31
Value791000.0184000.01465000.0475000.0
Percentage of PartnershipInvestmentInTaxCreditProjects100.0100.0100.0100.0

htlf:PaymentstoAcquireMortgageServicingRightsMSROperatingActivities

htlf:PaymentstoAcquireMortgageServicingRightsMSROperatingActivities


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-31
Value1.1130.4140.2550.3410.1490.2660.7561.711.5111.1831.3651.5872.182.2263.0383.6533.6132.592.9794.614.3382.8182.6632.6111.9091.4352.174
Percentage of PaymentstoAcquireMortgageServicingRightsMSROperatingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

htlf:ProceedsfromMaturitiesPrepaymentsandCallsofOtherSecurities

htlf:ProceedsfromMaturitiesPrepaymentsandCallsofOtherSecurities


None
Period End2020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-09-302016-06-302016-03-312015-09-302015-06-302015-03-312014-09-302014-06-302014-03-312013-09-302013-06-302013-03-31
Value0.00.150.7250.2450.2450.9670.4944.36810113.1850.00.250.00.00.250.00.5-1.7912.0410.00.00.0
Percentage of ProceedsfromMaturitiesPrepaymentsandCallsofOtherSecurities0.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.00.00.0100.00.0100.0100.0100.00.00.00.0

htlf:PurchasesOfAvailableForSaleSecuritiesAccruedNotPaid

htlf:PurchasesOfAvailableForSaleSecuritiesAccruedNotPaid


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-31
Value-14.03514-11.773-14.494352.019-3.4813.4810.00.0-1.0462.063-3.6543.6540.0-0.0640.0640.0-3.5233.523-5.1495.14914-9.086110.0103.05-55.3875950-34.9032124
Percentage of PurchasesOfAvailableForSaleSecuritiesAccruedNotPaid100.0100.0100.0100.0100.0100.0100.0100.00.00.0100.0100.0100.0100.00.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0

htlf:ServicingAssetNettoServicingPortfolioPercentage us-gaap:FiniteLivedIntangibleAssetsByMajorClass

htlf:ServicingAssetNettoServicingPortfolioPercentage

htlf:CommercialServicingRights


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-09-302016-06-302016-03-312015-09-30
Value-0.00090.0141-0.0008-0.0008-0.00060.0158-0.0004-0.0012-0.00090.0184-0.0011-0.001-0.00090.0217-0.00060.00090.0235-0.0054
Percentage of ServicingAssetNettoServicingPortfolioPercentage100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

htlf:MortgageServicingRights


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-09-302016-06-302016-03-312015-09-30
Value0.00010.00670.001-0.00110.00240.0068-0.00010.00010.00060.0066-0.0002-0.0006-0.00010.00740.000100.00740.0002
Percentage of ServicingAssetNettoServicingPortfolioPercentage-11.147.5-125.0137.5-400.043.025.0-8.3-66.735.918.260.011.134.1-16.70.031.5-3.7

htlf:ServicingRightsImpairmentRecovery

htlf:ServicingRightsImpairmentRecovery


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value-9000.01565000.0-668000.0626000.0364000.0589000.058000.0-230000.0216000.02000.0
Percentage of ServicingRightsImpairmentRecovery100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

htlf:SharebasedCompensationArrangementBySharebasedPaymentAwardVestingPercentageAfterChangeInControl us-gaap:AwardType, us-gaap:PlanName

htlf:SharebasedCompensationArrangementBySharebasedPaymentAwardVestingPercentageAfterChangeInControl

htlf:PerformanceBasedRestrictedStockUnits, htlf:LongTermIncentivePlan2012


None
Period End2020-06-302020-03-312019-12-312019-09-302018-12-312018-09-302018-06-302018-03-31
Value01.0000001.0
Percentage of SharebasedCompensationArrangementBySharebasedPaymentAwardVestingPercentageAfterChangeInControl0.0100.00.00.00.00.00.0100.0

htlf:TransferOfDepositsToHeldforsale

htlf:TransferOfDepositsToHeldforsale


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-31
Value0.00.00.00.00.07656500.00.00.0
Percentage of TransferOfDepositsToHeldforsale0.00.00.00.00.0100.0100.0100.00.00.00.0

htlf:TransferOfPropertyPlantAndEquipmentNetToAssetsHeldForSale

htlf:TransferOfPropertyPlantAndEquipmentNetToAssetsHeldForSale


None
Period 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
Value002087000.001914000.0654000.04245000.0914000.02501000.003442000.00
Percentage of TransferOfPropertyPlantAndEquipmentNetToAssetsHeldForSale0.00.0100.00.0100.0100.0100.0100.0100.00.0100.00.0

us-gaap:AccretionAmortizationOfDiscountsAndPremiumsInvestments

us-gaap:AccretionAmortizationOfDiscountsAndPremiumsInvestments


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-30
Value-2566000.0-3685000.0-4367000.0-5032000.0-5235000.0-5692000.0-6184000.0-6371000.0-6764000.0-5823000.0-6775000.0-6189000.0-6771000.0-7226000.0-8008000.0-7889000.0-8358000.0-7846000.0-7066000.0-6694000.0-7696000.0-6949000.0-7403000.0-6496000.0-5838000.0-6659000.0-6938000.0-7138000.0-7675000.0-7604000.0-6510000.0-6772000.0-6163000.0-3413000.0-4384000.0-4254000.0-3380000.0-2921000.0-2613000.0-1817000.0
Percentage of AccretionAmortizationOfDiscountsAndPremiumsInvestments100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

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
Value0.9952.2052.3052.7372.6612.3252.7262.7542.1451.942.0881.3581.3592.4242.2741.3391.5511.2841.6241.3271.3331.1811.4421.3831.5111.1881.4581.361.2481.2281.7361.1831.3041.0711.1381.1911.1130.851.0580.9061.052
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:BankOwnedLifeInsuranceIncome

us-gaap:BankOwnedLifeInsuranceIncome


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-30
Value1167000.0498000.01117000.0881000.0888000.0899000.0587000.0892000.0700000.0614000.0733000.0766000.0656000.0617000.0542000.0620000.0591000.0522000.0644000.0372000.0459000.0524000.0399000.0371000.0339000.0363000.0426000.0409000.0315000.0405000.0311000.0382000.0267000.0482000.0407000.0208000.0331000.0403000.0463000.0396000.0293000.0
Percentage of BankOwnedLifeInsuranceIncome100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:BusinessCombinationConsiderationTransferred1 us-gaap:BusinessAcquisition, us-gaap:SubsequentEventType

us-gaap:BusinessCombinationConsiderationTransferred1

htlf:AIMBancsharesInc, us-gaap:SubsequentEvent


None
Period End2020-02-11
Value280
Percentage of BusinessCombinationConsiderationTransferred1100.0

us-gaap:CommonStockDividendsPerShareDeclared

us-gaap:CommonStockDividendsPerShareDeclared


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-30
Value0.20.20.180.180.160.160.190.140.130.130.180.110.110.110.20.10.10.10.150.10.10.10.10.10.10.10.10.10.10.10.20.10.10.10.10.10.10.10.10.10.1
Percentage of CommonStockDividendsPerShareDeclared100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DebtAndEquitySecuritiesGainLoss

us-gaap:DebtAndEquitySecuritiesGainLoss


None
Period 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
Value2.0061.6580.4912.0133.581.5750.048-0.145-0.2591.4411.421.679
Percentage of DebtAndEquitySecuritiesGainLoss100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DebtAndEquitySecuritiesGainLoss us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncome, us-gaap:StatementEquityComponents

us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncome, us-gaap:AccumulatedNetUnrealizedInvestmentGainLoss


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value2.0061.6580.4912.0133.581.5750.0480.145-0.2591.4411.2111.679
Percentage of DebtAndEquitySecuritiesGainLoss100.0100.0100.0100.0100.0100.0100.0-100.0100.0100.085.3100.0

us-gaap:DebtSecuritiesAvailableForSaleRealizedGain

us-gaap:DebtSecuritiesAvailableForSaleRealizedGain


None
Period 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
Value3.9582.9041.4732.3715.5222.4080.1240.0670.4573.0132.02.088
Percentage of DebtSecuritiesAvailableForSaleRealizedGain100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DebtSecuritiesAvailableForSaleRealizedLoss

us-gaap:DebtSecuritiesAvailableForSaleRealizedLoss


None
Period 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
Value1952000.01246000.0982000.0358000.01942000.0833000.076000.0212000.0716000.01572000.0789000.0409000.0
Percentage of DebtSecuritiesAvailableForSaleRealizedLoss100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DebtSecuritiesHeldToMaturityCreditLossExpenseReversal us-gaap:FinancialInstrument

us-gaap:DebtSecuritiesHeldToMaturityCreditLossExpenseReversal

us-gaap:USStatesAndPoliticalSubdivisions


None
Period End2020-06-30
Value-135000.0
Percentage of DebtSecuritiesHeldToMaturityCreditLossExpenseReversal100.0

us-gaap:DeferredTaxExpenseFromStockOptionsExercised

us-gaap:DeferredTaxExpenseFromStockOptionsExercised


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-31
Value-66000.0-25000.0-4000.0-2000.0-64000.0336000.02000.012000.049000.0611000.0125000.0132000.0101000.0888000.0-747000.021000.001100000.05000.020000.039000.0612000.05000.00257000.0-138000.030000.034000.018000.016000.048000.0
Percentage of DeferredTaxExpenseFromStockOptionsExercised100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DerivativeInstrumentsNotDesignatedAsHedgingInstrumentsGainLossNet us-gaap:DerivativeInstrumentRisk, us-gaap:IncomeStatementLocation

us-gaap:DerivativeInstrumentsNotDesignatedAsHedgingInstrumentsGainLossNet

us-gaap:ForwardContracts, htlf:GainOnSaleOfLoansHeldForSale


None
Period End2020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-31
Value0.962-1.1460.283-0.1450.1170.644-0.4070.1150.0720.364-2.7393.3830.931-0.753-1.4892.214-4.2373.7-0.125-0.9431.505-1.837-1.1423.121-11.439.7690.3723.981-1.737-3.9120.9090.112
Percentage of DerivativeInstrumentsNotDesignatedAsHedgingInstrumentsGainLossNet100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:InterestRateContract, us-gaap:OtherNonoperatingIncomeExpense


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-03-31
Value-0.001-0.3610.252-1.3890.1820.889-0.1840.1080.1380.2770.1850.088-0.020.1172.6520.269-0.054-0.3160.0
Percentage of DerivativeInstrumentsNotDesignatedAsHedgingInstrumentsGainLossNet-0.131.50.0-490.8-125.5759.80.016.8-33.9240.90.0122.2-5.5-4.378.428.97.221.2-0.0

us-gaap:InterestRateLockCommitments, htlf:GainOnSaleOfLoansHeldForSale


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-31
Value1.2961.698-0.543-0.2550.5520.264-1.42-4.472.6040.017-0.892-1.245-0.4041.062-6.028-1.3441.0814.727-3.183-0.361-1.7125.544-0.971-1.9243.4351.882-4.4715.219-8.105-3.161-3.8382.188.2162.7950.672
Percentage of DerivativeInstrumentsNotDesignatedAsHedgingInstrumentsGainLossNet134.7-148.20.0-90.1-380.7225.60.0-694.1-639.814.80.0-1729.2-111.0-38.8-178.2-144.4-143.6-317.5-143.88.5-46.3-4435.2103.0-127.8-187.0-164.8-143.3-45.7-83.0-849.7-96.4-125.5-210.0307.5600.0

us-gaap:DividendsCommonStock

us-gaap:DividendsCommonStock


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-30
Value7.3627.3536.6066.6045.8675.536.5514.8214.0393.9075.3913.2912.9362.8815.2132.4552.4532.4573.1782.0622.0622.0571.851.8451.8461.8451.8361.6941.6941.6843.351.651.6461.6491.6441.6431.6411.6381.6331.629
Percentage of DividendsCommonStock100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DividendsCommonStock us-gaap:StatementEquityComponents

us-gaap:RetainedEarnings


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-30
Value7.3627.3536.6066.6045.8675.536.5514.8214.0393.9075.3913.2912.9362.8815.2132.4552.4532.4573.1782.0622.0622.0571.851.8451.8461.8451.8361.6941.6941.6843.351.651.6461.6491.6441.6431.6411.6381.6331.629
Percentage of DividendsCommonStock100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:EffectiveIncomeTaxRateReconciliationShareBasedCompensationExcessTaxBenefitAmount

us-gaap:EffectiveIncomeTaxRateReconciliationShareBasedCompensationExcessTaxBenefitAmount


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-06-302018-03-312017-12-31
Value66000.025000.0-4000.0-2000.0272000.0336000.01346000.0660000.0611000.02300000.0
Percentage of EffectiveIncomeTaxRateReconciliationShareBasedCompensationExcessTaxBenefitAmount100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:EmbeddedDerivativeGainLossOnEmbeddedDerivativeNet us-gaap:DerivativeInstrumentRisk, us-gaap:IncomeStatementLocation

us-gaap:EmbeddedDerivativeGainLossOnEmbeddedDerivativeNet

us-gaap:EmbeddedDerivativeFinancialInstruments, us-gaap:OtherNonoperatingIncomeExpense


None
Period End2020-06-302020-03-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-31
Value1000.0361000.01389000.0182000.0889000.0-523000.0108000.0138000.0277000.0603000.0-296000.0-2000.0117000.0-343000.0-173000.0144000.0272000.00
Percentage of EmbeddedDerivativeGainLossOnEmbeddedDerivativeNet100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0

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
Value2.9933.1083.332.8583.222.6923.1263.473.1842.7493.1482.8262.5862.5012.9442.7462.4422.1132.3442.1212.1762.1062.0972.0332.0851.892.0071.9172.0652.0511.8221.5411.5171.4461.4751.3921.361.4091.5431.5151.599
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:EquitySecuritiesFvNiUnrealizedGainLoss

us-gaap:EquitySecuritiesFvNiUnrealizedGainLoss


None
Period 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
Value680000.0-231000.011000.0144000.0112000.0258000.0115000.054000.071000.0-28000.000
Percentage of EquitySecuritiesFvNiUnrealizedGainLoss100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.00.0

us-gaap:FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetGainLossIncludedInEarnings1 us-gaap:DerivativeInstrumentRisk

us-gaap:FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetGainLossIncludedInEarnings1

us-gaap:InterestRateLockCommitments


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-31
Value1296000.01698000.0-543000.0-255000.0552000.0264000.0-1420000.0-2618000.0752000.017000.0-892000.0-1245000.0-404000.01062000.0-6028000.0-1344000.01081000.04727000.0-3183000.0-361000.0-1712000.05544000.0-971000.0-1924000.03435000.01882000.0
Percentage of FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetGainLossIncludedInEarnings1100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetIssues us-gaap:DerivativeInstrumentRisk

us-gaap:FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetIssues

us-gaap:InterestRateLockCommitments


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-31
Value3.2562.4782.6253.4162.582.0811.301-0.3091.4780.4920.2950.8540.3440.3823.8331.3980.0040.1381.5771.3211.3951.1350.24
Percentage of FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetIssues100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetSettlements us-gaap:DerivativeInstrumentRisk

us-gaap:FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetSettlements

us-gaap:InterestRateLockCommitments


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-31
Value4.3562.42.3713.2632.862.270.695-1.0712.1770.2880.1280.1570.6740.4891.2540.6791.1771.0770.1292.6150.02.30.0641.0052.0060.698
Percentage of FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetSettlements100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.0100.0100.0

us-gaap:FeesAndCommissionsMortgageBankingAndServicing us-gaap:FiniteLivedIntangibleAssetsByMajorClass

us-gaap:FeesAndCommissionsMortgageBankingAndServicing

htlf:CommercialServicingRightslessthan20Years


None
Period End2020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-09-302016-06-30
Value0.0540.1180.2160.230.380.4010.4250.420.3940.3760.4150.230.375
Percentage of FeesAndCommissionsMortgageBankingAndServicing100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

htlf:MortgageServicingRights


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-09-302015-06-30
Value0.410.4093.60.4220.4270.4272.62.62.42.22.32.93.23.23.13.13.02.92.62.6
Percentage of FeesAndCommissionsMortgageBankingAndServicing759.3346.60.0195.4185.7112.40.0648.4564.7523.80.0736.0851.1771.10.01347.8800.00.00.00.0

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
Value1144000.01320000.01288000.02013000.01073000.0991000.0838000.0779000.01001000.0931000.01101000.0888000.0929000.0752000.01045000.0852000.02851000.0591000.01246000.0749000.0820000.0738000.0905000.0902000.0968000.01215000.01522000.01052000.01006000.01240000.02556000.02514000.01331000.01808000.0450000.02019000.01669000.0
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

htlf:AgriculturalPortfolioSegment


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-30
Value0826000.03000.0198000.05000.0330000.0-1000.00014000.01000.014000.02000.01000.01000.02000.04000.03000.03000.05000.0
Percentage of FinancingReceivableAllowanceForCreditLossesRecovery0.062.60.29.80.533.3-0.10.00.01.50.11.60.20.10.10.20.10.50.20.7

us-gaap:ConsumerPortfolioSegment


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-30
Value211000.0133000.0173000.0313000.0814000.0322000.0370000.0378000.0377000.0290000.0304000.0418000.0266000.0303000.0277000.0263000.0257000.0246000.0242000.0229000.0
Percentage of FinancingReceivableAllowanceForCreditLossesRecovery18.410.113.415.575.932.544.248.537.731.127.647.128.640.326.530.99.041.619.430.6

us-gaap:ResidentialPortfolioSegment


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-30
Value92000.03000.01000.025000.034000.013000.019000.01000.01000.075000.0288000.063000.05000.02000.04000.01000.04000.020000.05000.071000.0
Percentage of FinancingReceivableAllowanceForCreditLossesRecovery8.00.20.11.23.21.32.30.10.18.126.27.10.50.30.40.10.13.40.49.5

us-gaap:FinancingReceivableAllowanceForCreditLossesRecovery us-gaap:FinancingReceivablePortfolioSegment, us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable

us-gaap:CommercialPortfolioSegment, htlf:NonOwnerOccupiedCommercialRealEstate


None
Period End2020-06-302020-03-312019-06-302019-03-31
Value8000.0060000.040000.0
Percentage of FinancingReceivableAllowanceForCreditLossesRecovery0.70.05.64.0

us-gaap:CommercialPortfolioSegment, htlf:OwnerOccupiedCommercialRealEstate


None
Period End2020-06-302020-03-312019-06-302019-03-31
Value191000.01000.04000.089000.0
Percentage of FinancingReceivableAllowanceForCreditLossesRecovery16.70.10.49.0

us-gaap:CommercialPortfolioSegment, htlf:PaycheckProtectionProgramLoans


None
Period End2020-06-30
Value0
Percentage of FinancingReceivableAllowanceForCreditLossesRecovery0.0

us-gaap:CommercialPortfolioSegment, us-gaap:CommercialLoan


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-30
Value432000.0352000.0101000.01273000.0194000.0175000.0416000.0158000.0300000.0104000.0176000.0347000.054000.0234000.0492000.0119000.0143000.0176000.0649000.087000.0
Percentage of FinancingReceivableAllowanceForCreditLossesRecovery37.826.77.863.218.117.749.620.330.011.216.039.15.831.147.114.05.029.852.111.6

us-gaap:CommercialPortfolioSegment, us-gaap:RealEstateLoan


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-30
Value210000.05000.01010000.0204000.026000.0151000.034000.0242000.0323000.0448000.0332000.046000.0602000.0212000.0271000.0467000.02443000.0146000.0347000.0357000.0
Percentage of FinancingReceivableAllowanceForCreditLossesRecovery18.40.478.410.12.415.24.131.132.348.130.25.264.828.225.954.885.724.727.847.7

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
Value3.5646.3012.0184.8424.781.959.7776.123.1642.2245.6285.7592.7663.7183.5553.2832.9511.6051.8372.4392.7342.0044.022.6491.4103.1972.5132.7733.0647.5923.052.2541.608156.1538.183
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

htlf:AgriculturalPortfolioSegment


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-30
Value0.0010.2530.5581.670.0490.3790.081.1450.2120.02.0280.00.0170.8710.2140.00.00.00.00.0
Percentage of FinancingReceivableAllowanceForCreditLossesWriteOffs0.04.027.734.51.019.40.818.76.70.036.00.00.623.46.00.00.00.00.00.0

us-gaap:ConsumerPortfolioSegment


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-30
Value0.2450.3520.6040.8590.7730.7255.1211.8311.3421.2891.8211.751.4881.7441.8432.1231.4941.1581.3721.181
Percentage of FinancingReceivableAllowanceForCreditLossesWriteOffs6.95.629.917.716.237.252.429.942.458.032.430.453.846.951.864.750.672.174.748.4

us-gaap:ResidentialPortfolioSegment


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-30
Value0.2350.0790.0910.0030.150.1630.1610.00.1950.0160.2590.1420.1340.2650.0980.1060.1050.0370.1150.013
Percentage of FinancingReceivableAllowanceForCreditLossesWriteOffs6.61.34.50.13.18.41.60.06.20.74.62.54.87.12.83.23.62.36.30.5

us-gaap:FinancingReceivableAllowanceForCreditLossesWriteOffs us-gaap:FinancingReceivablePortfolioSegment, us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable

us-gaap:CommercialPortfolioSegment, htlf:NonOwnerOccupiedCommercialRealEstate


None
Period End2020-06-302020-03-312019-06-302019-03-31
Value0.0190.00.00.0
Percentage of FinancingReceivableAllowanceForCreditLossesWriteOffs0.50.00.00.0

us-gaap:CommercialPortfolioSegment, htlf:OwnerOccupiedCommercialRealEstate


None
Period End2020-06-302019-06-302019-03-31
Value0.2130.0130.023
Percentage of FinancingReceivableAllowanceForCreditLossesWriteOffs6.00.31.2

us-gaap:CommercialPortfolioSegment, htlf:PaycheckProtectionProgramLoans


None
Period End2020-06-30
Value0.0
Percentage of FinancingReceivableAllowanceForCreditLossesWriteOffs0.0

us-gaap:CommercialPortfolioSegment, us-gaap:CommercialLoan


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-30
Value2.7675.5960.7882.1753.6870.6443.1992.9450.9780.7941.331.9541.1260.230.7610.240.2490.0980.0620.869
Percentage of FinancingReceivableAllowanceForCreditLossesWriteOffs77.688.839.044.977.133.032.748.130.935.723.633.940.76.221.47.38.46.13.435.6

us-gaap:CommercialPortfolioSegment, us-gaap:RealEstateLoan


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-30
Value0.0840.021-0.0230.1350.1210.0391.2160.1990.4370.1250.191.9130.0010.6080.6390.8141.1030.3120.2880.376
Percentage of FinancingReceivableAllowanceForCreditLossesWriteOffs2.40.3-1.12.82.52.012.43.313.85.63.433.20.016.418.024.837.419.415.715.4

us-gaap:FinancingReceivableModificationsNumberOfContracts2

us-gaap:FinancingReceivableModificationsNumberOfContracts2


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-30
Value1.01.03.003.01.05.01.06.05.07.08.014.03.04.05.02.003.01.02.01.04.01.0
Percentage of FinancingReceivableModificationsNumberOfContracts2100.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.0100.0100.0100.0

us-gaap:FinancingReceivableModificationsNumberOfContracts2 us-gaap:FinancingReceivablePortfolioSegment

us-gaap:CommercialPortfolioSegment


None
Period End2020-06-302019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-30
Value01.00000000003.001.002.003.00
Percentage of FinancingReceivableModificationsNumberOfContracts20.033.30.00.00.00.00.00.00.00.00.021.40.025.00.0100.00.0100.00.0

us-gaap:ResidentialPortfolioSegment


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-30
Value1.01.02.003.01.05.01.06.05.07.08.011.03.03.05.00001.0
Percentage of FinancingReceivableModificationsNumberOfContracts2100.0100.066.70.0100.0100.0100.0100.0100.0100.0100.0100.078.6100.075.0100.00.00.00.0100.0

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

us-gaap:CommercialPortfolioSegment, us-gaap:CommercialLoan


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-30
Value001.00000000003.00001.00-1.00
Percentage of FinancingReceivableModificationsNumberOfContracts20.00.033.30.00.00.00.00.00.00.00.00.021.40.00.00.050.00.0-33.30.0

us-gaap:CommercialPortfolioSegment, us-gaap:RealEstateLoan


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-30
Value000000000000001.001.004.00
Percentage of FinancingReceivableModificationsNumberOfContracts20.00.00.00.00.00.00.00.00.00.00.00.00.00.025.00.050.00.0133.30.0

us-gaap:FinancingReceivableModificationsPostModificationRecordedInvestment2

us-gaap:FinancingReceivableModificationsPostModificationRecordedInvestment2


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-30
Value66000.032000.0401000.00246000.042000.0751000.094000.01125000.0752000.0810000.01174000.01586000.0348000.01403000.0651000.0279000.001001000.055000.01141000.03992000.0718000.060000.0
Percentage of FinancingReceivableModificationsPostModificationRecordedInvestment2100.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.0100.0100.0100.0

us-gaap:FinancingReceivableModificationsPostModificationRecordedInvestment2 us-gaap:FinancingReceivablePortfolioSegment

us-gaap:CommercialPortfolioSegment


None
Period End2020-06-302019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-30
Value040000.00000000-7000.00131000.00457000.00279000.001001000.00
Percentage of FinancingReceivableModificationsPostModificationRecordedInvestment20.010.00.00.00.00.00.00.00.0-0.90.08.30.032.60.0100.00.0100.00.0

us-gaap:ResidentialPortfolioSegment


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-30
Value66000.032000.0361000.00246000.042000.0751000.094000.01125000.0752000.0817000.01174000.01455000.0348000.0946000.0651000.000055000.0
Percentage of FinancingReceivableModificationsPostModificationRecordedInvestment2100.0100.090.00.0100.0100.0100.0100.0100.0100.0100.9100.091.7100.067.4100.00.00.00.0100.0

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

us-gaap:CommercialPortfolioSegment, us-gaap:CommercialLoan


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-30
Value0040000.00000000-7000.00131000.00-5000.00100000.00-830000.00
Percentage of FinancingReceivableModificationsPostModificationRecordedInvestment20.00.010.00.00.00.00.00.00.00.0-0.90.08.30.0-0.40.035.80.0-82.90.0

us-gaap:CommercialPortfolioSegment, us-gaap:RealEstateLoan


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-30
Value00000000000000462000.00179000.001831000.00
Percentage of FinancingReceivableModificationsPostModificationRecordedInvestment20.00.00.00.00.00.00.00.00.00.00.00.00.00.032.90.064.20.0182.90.0

us-gaap:FinancingReceivableModificationsPreModificationRecordedInvestment2

us-gaap:FinancingReceivableModificationsPreModificationRecordedInvestment2


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-30
Value60000.032000.0387000.00240000.036000.0745000.092000.01292000.0877000.01142000.01174000.01586000.0348000.01403000.0651000.0279000.001001000.055000.01141000.03992000.0718000.060000.0
Percentage of FinancingReceivableModificationsPreModificationRecordedInvestment2100.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.0100.0100.0100.0

us-gaap:FinancingReceivableModificationsPreModificationRecordedInvestment2 us-gaap:FinancingReceivablePortfolioSegment

us-gaap:ResidentialPortfolioSegment


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-30
Value60000.032000.0347000.00240000.036000.0745000.092000.01292000.0877000.01149000.01174000.01455000.0348000.0946000.0651000.000055000.0
Percentage of FinancingReceivableModificationsPreModificationRecordedInvestment2100.0100.089.70.0100.0100.0100.0100.0100.0100.0100.6100.091.7100.067.4100.00.00.00.0100.0

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

us-gaap:CommercialPortfolioSegment, us-gaap:CommercialLoan


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-30
Value0040000.00000000-7000.00131000.00-5000.00100000.00-830000.00
Percentage of FinancingReceivableModificationsPreModificationRecordedInvestment20.00.010.30.00.00.00.00.00.00.0-0.60.08.30.0-0.40.035.80.0-82.90.0

us-gaap:CommercialPortfolioSegment, us-gaap:RealEstateLoan


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-30
Value00000000000000462000.00179000.001831000.00
Percentage of FinancingReceivableModificationsPreModificationRecordedInvestment20.00.00.00.00.00.00.00.00.00.00.00.00.00.032.90.064.20.0182.90.0

us-gaap:FinancingReceivableModificationsSubsequentDefaultNumberOfContracts1

us-gaap:FinancingReceivableModificationsSubsequentDefaultNumberOfContracts1


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302015-12-312015-09-302015-06-302014-12-312014-09-30
Value01.0-1.001.01.0-3.04.03.03.08.05.02.002.001.0-1.01.0001.0
Percentage of FinancingReceivableModificationsSubsequentDefaultNumberOfContracts10.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.00.0100.0100.0100.00.00.0100.0

us-gaap:FinancingReceivableModificationsSubsequentDefaultNumberOfContracts1 us-gaap:FinancingReceivablePortfolioSegment

us-gaap:ResidentialPortfolioSegment


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302015-12-312015-09-30
Value01.0-1.001.01.0-3.04.03.03.08.05.02.002.00000
Percentage of FinancingReceivableModificationsSubsequentDefaultNumberOfContracts10.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.00.00.0-0.00.0

us-gaap:FinancingReceivableModificationsSubsequentDefaultNumberOfContracts1 us-gaap:FinancingReceivablePortfolioSegment, us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable

us-gaap:CommercialPortfolioSegment, us-gaap:CommercialLoan


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302015-12-312015-09-30
Value00000000000000001.000
Percentage of FinancingReceivableModificationsSubsequentDefaultNumberOfContracts10.00.0-0.00.00.00.0-0.00.00.00.00.00.00.00.00.00.0100.0-0.00.0

us-gaap:CommercialPortfolioSegment, us-gaap:RealEstateLoan


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302015-12-312015-09-30
Value00000000000000000-1000.01000.0
Percentage of FinancingReceivableModificationsSubsequentDefaultNumberOfContracts10.00.0-0.00.00.00.0-0.00.00.00.00.00.00.00.00.00.00.0100000.0100000.0

us-gaap:FinancingReceivableModificationsSubsequentDefaultRecordedInvestment1

us-gaap:FinancingReceivableModificationsSubsequentDefaultRecordedInvestment1


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302014-12-312014-09-30
Value0241000.0-43000.0061000.042000.0-562000.0418000.0667000.0519000.0955000.01221000.0150000.00264000.00100000.00-814000.0814000.00-5000.060000.0
Percentage of FinancingReceivableModificationsSubsequentDefaultRecordedInvestment10.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.00.0100.00.0100.0100.00.0100.0100.0

us-gaap:FinancingReceivableModificationsSubsequentDefaultRecordedInvestment1 us-gaap:FinancingReceivablePortfolioSegment

us-gaap:ResidentialPortfolioSegment


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302015-12-312015-09-30
Value0241000.0-43000.0061000.042000.0-562000.0418000.0667000.0519000.0955000.01221000.0150000.00264000.00000
Percentage of FinancingReceivableModificationsSubsequentDefaultRecordedInvestment10.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.00.00.0-0.00.0

us-gaap:FinancingReceivableModificationsSubsequentDefaultRecordedInvestment1 us-gaap:FinancingReceivablePortfolioSegment, us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable

us-gaap:CommercialPortfolioSegment, us-gaap:CommercialLoan


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302015-12-312015-09-30
Value0000000000000000100000.000
Percentage of FinancingReceivableModificationsSubsequentDefaultRecordedInvestment10.00.0-0.00.00.00.0-0.00.00.00.00.00.00.00.00.00.0100.0-0.00.0

us-gaap:CommercialPortfolioSegment, us-gaap:RealEstateLoan


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302015-12-312015-09-30
Value00000000000000000-814000.0814000.0
Percentage of FinancingReceivableModificationsSubsequentDefaultRecordedInvestment10.00.0-0.00.00.00.0-0.00.00.00.00.00.00.00.00.00.00.0100.0100.0

us-gaap:FinancingReceivableNonaccrualInterestIncome

us-gaap:FinancingReceivableNonaccrualInterestIncome


None
Period End2020-06-30
Value0
Percentage of FinancingReceivableNonaccrualInterestIncome0.0

us-gaap:GainLossOnDispositionOfAssets1

us-gaap:GainLossOnDispositionOfAssets1


None
Period End2020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-09-302015-09-302014-09-30
Value-0.701-0.016-0.35712-1.512-0.912-1.5280.197-1.3420.112-0.412-0.2740.041-0.624
Percentage of GainLossOnDispositionOfAssets1100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:GainLossOnFairValueHedgesRecognizedInEarnings us-gaap:DerivativeInstrumentRisk, us-gaap:IncomeStatementLocation

us-gaap:GainLossOnFairValueHedgesRecognizedInEarnings

us-gaap:FairValueHedging, us-gaap:InterestIncome


None
Period End2020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-30
Value4000.0-1677000.0-263000.0-660000.0-630000.0179000.0350000.0894000.0-63000.0-42000.0194000.01330000.0-225000.0-888000.0-1222000.0-621000.000
Percentage of GainLossOnFairValueHedgesRecognizedInEarnings100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.00.0

us-gaap:GainLossOnSaleOfLoansAndLeases

us-gaap:GainLossOnSaleOfLoansAndLeases


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-30
Value7.8574.663.3634.6734.3433.1763.1897.416.84.0514.294.9976.8176.1475.841111117.0859.82314137.7788.3848.7966.3793.1845.2519.0839.9121413128.5025.4733.1831.3081.4023.8132.3941.083
Percentage of GainLossOnSaleOfLoansAndLeases100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:GainLossOnSalesOfLoansNet

us-gaap:GainLossOnSalesOfLoansNet


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-30
Value6.334.663.1164.3684.1992.9782.4655.7615.2892.8893.1343.2774.8633.8282.8027.8067.6578.4753.4025.77410115.1152.429104.9443.1845.2519.0839.9121413128.5025.4733.1831.3081.4023.8132.394
Percentage of GainLossOnSalesOfLoansNet100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:GainLossOnSalesOfLoansNet us-gaap:DerivativeInstrumentRisk

us-gaap:InterestRateLockCommitments


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-31
Value0.22.5-0.289-0.130.30.8-0.775-1.91.42.0-0.8-0.5-0.73.7-3.4-0.7-0.17.0-1.7
Percentage of GainLossOnSalesOfLoansNet3.253.6-9.3-3.07.126.9-31.4-33.026.569.2-25.5-15.3-14.496.7-121.3-9.0-1.382.6-50.0

us-gaap:GainsLossesOnSalesOfAssets

us-gaap:GainsLossesOnSalesOfAssets


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-30
Value-0.701-0.016-1.512-0.356183.0040.035-0.912-1.5280.197-0.833-1.3420.112-0.412-0.414-0.7940.043-0.313-4.238-0.721
Percentage of GainsLossesOnSalesOfAssets100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:GainsLossesOnSalesOfOtherRealEstate

us-gaap:GainsLossesOnSalesOfOtherRealEstate


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-30
Value-203000.0-334000.0-261000.089000.0-162000.0-701000.0-574000.0-784000.0-948000.0-732000.0-687000.0-581000.0-365000.0-828000.0-572000.0-640000.0-659000.0-572000.0-723000.0-496000.0-753000.0-465000.0-524000.0-215000.0-518000.0-1052000.0-2358000.0-1069000.0-2477000.0-1340000.0-1983000.0-3775000.0-1307000.0-2904000.0-4255000.0-1409000.0-2511000.0-1632000.0-7345000.0-4219000.0-1636000.0
Percentage of GainsLossesOnSalesOfOtherRealEstate100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap: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
Value120.0127.08611190.0842.3316.58.2520.0025.0424.9155.8550.0058.1023.98102.3054.6090.3366.1290.840.20.9910.6610.980.640.9140.533.3754.0614.0463.80.293.8352.2310.4750.5923.381.305
Percentage of IncomeTaxesPaid100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

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
Value3631000.0667000.0-369000.01489000.0-1739000.0-682000.0-2054000.05387000.03274000.0-3239000.0-856000.03325000.0-1783000.0-93000.0-275000.02705000.0-864000.0-787000.0460000.01308000.01756000.0-3234000.0-832000.01219000.01688000.0-2304000.0-149000.0-933000.01347000.0-508000.0-975000.01637000.01440000.0-779000.0-1885000.01444000.0-1224000.0268000.0-2620000.02184000.0
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:IncreaseDecreaseInDemandDeposits

us-gaap:IncreaseDecreaseInDemandDeposits


None
Period End2020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-09-302016-06-302016-03-31
Value1134153154136-131.876391115.834122362288701.098
Percentage of IncreaseDecreaseInDemandDeposits100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:IncreaseDecreaseInEquitySecuritiesFvNi

us-gaap:IncreaseDecreaseInEquitySecuritiesFvNi


None
Period End2020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-31
Value680000.0-231000.0144000.0112000.0258000.054000.071000.0-28000.0
Percentage of IncreaseDecreaseInEquitySecuritiesFvNi100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:IncreaseDecreaseInInterestPayableNet

us-gaap:IncreaseDecreaseInInterestPayableNet


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-30
Value-2015000.0316000.0-1484000.0884000.0-240000.01261000.0-1123000.01146000.0-1054000.01029000.0-1070000.01234000.0-955000.0825000.0-1167000.0738000.0-1043000.0637000.0-1247000.0690000.0-1494000.0627000.0-166000.0-268000.0-158000.0-750000.0-106000.0-868000.0238000.0-213000.0-375000.0679000.0-671000.0-634000.0691000.0-1260000.0769000.0-901000.0250000.0-2015000.0
Percentage of IncreaseDecreaseInInterestPayableNet100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:IncreaseDecreaseInPrepaidExpense

us-gaap:IncreaseDecreaseInPrepaidExpense


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-30
Value0.7530.1574.9553.84-1.9371.708-0.1210.02-2.069-0.1940.2620.098-0.852-0.084-0.3220.811-0.085-0.5982.0891.121-0.6130.5130.5240.1590.3390.3590.366-0.385-8.6580.3980.121-0.465-1.865-0.707-0.601-0.066-1.212-1.09-1.614-0.903
Percentage of IncreaseDecreaseInPrepaidExpense100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:IncreaseDecreaseInSavingsDeposits

us-gaap:IncreaseDecreaseInSavingsDeposits


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-31
Value443593322373674187125-95.210012-32.921-235.567883461-10.640.661247
Percentage of IncreaseDecreaseInSavingsDeposits100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:IncreaseDecreaseInTimeDeposits

us-gaap:IncreaseDecreaseInTimeDeposits


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-30
Value-43.189-82.602-80.854-30.321-45.21775-99.185-91.00637-69.143-71.1512.30939-50.612-63.371-75.213-146.498-131.37314-77.30676-25.618-67.094-10.565-22.746-6.9350.529-24.475-16.301-18.301-22.436-17.47128-21.697-31.668-47.805-0.82-19.532-24.334-7.337
Percentage of IncreaseDecreaseInTimeDeposits100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

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
Value35000.075000.0-72000.0143000.0135000.0136000.014000.0192000.0210000.0203000.0-7000.0262000.0286000.0293000.0-19000.0322000.0451000.0460000.0-12000.0273000.0278000.0278000.0-7000.0284000.0289000.0288000.0-18000.0285000.0297000.0335000.05000.0272000.0244000.0240000.0-2000.0141000.0142000.0
Percentage of IncrementalCommonSharesAttributableToShareBasedPaymentArrangements100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

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
Value133131133133127120126124113101102988280828181807067656360605957554847474746474847474847485050
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:InterestExpenseDeposits

us-gaap:InterestExpenseDeposits


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-30
Value6.134141617161311107.9835.7665.3135.0734.1633.733.7444.0014.0214.1733.7723.7673.8194.1724.1444.6554.5774.7785.0574.7695.0665.0765.3475.5045.6045.7756.4957.0287.6758.0268.5249.0339.955
Percentage of InterestExpenseDeposits100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:InterestExpenseOtherLongTermDebt

us-gaap:InterestExpenseOtherLongTermDebt


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-30
Value3.4243.663.7853.853.8193.6643.7773.663.473.5963.7193.793.2283.6563.7543.773.6733.4753.4853.5493.7664.8023.8543.7413.6853.6583.7853.6233.7023.7974.024.0284.0254.0614.0864.1234.0813.9364.0684.2134.208
Percentage of InterestExpenseOtherLongTermDebt100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:InterestExpenseOtherLongTermDebt us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncome, us-gaap:StatementEquityComponents

us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncome, us-gaap:AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedges


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-31
Value-0.417-0.183-0.1060.0240.10.165-0.290.2420.030.1970.2850.3080.30.3970.4510.4920.4650.5060.5420.5570.5590.5640.5680.5770.5730.5210.5170.5230.5240.505
Percentage of InterestExpenseOtherLongTermDebt-12.2-5.0-2.80.62.64.5-7.76.60.95.57.78.19.310.912.013.112.714.615.615.714.811.714.715.415.514.213.714.414.213.3

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
Value61000.0296000.0271000.0250000.0338000.0889000.0417000.0464000.0547000.0268000.0180000.0271000.090000.0137000.0119000.0235000.0519000.0329000.0200000.0228000.0212000.0198000.0222000.0227000.0202000.0226000.0421000.0131000.0108000.0148000.0166000.0215000.0224000.0213000.0204000.0205000.0225000.0259000.0330000.0305000.0291000.0
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:InterestIncomeDepositsWithFinancialInstitutions

us-gaap:InterestIncomeDepositsWithFinancialInstitutions


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-30
Value54000.0721000.0953000.02151000.02299000.01292000.01285000.01238000.0768000.0407000.0435000.0558000.0345000.0209000.0383000.06000.03000.04000.03000.04000.03000.04000.03000.06000.07000.07000.03000.03000.02000.04000.03000.03000.02000.000001000.01000.01000.07000.0
Percentage of InterestIncomeDepositsWithFinancialInstitutions100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.00.00.00.0100.0100.0100.0100.0

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
Value9790107106101101100105968787847369726871706056515249484842443437383437343529283225263125
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:InterestIncomeFederalFundsSold

us-gaap:InterestIncomeFederalFundsSold


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302012-12-312012-09-302012-06-302011-12-312011-09-302011-06-302010-12-312010-09-302010-06-30
Value000004000.000005000.034000.03000.0001000.01000.010000.021000.01000.01000.01000.001000.0001000.0003000.001000.002000.01000.0001000.0
Percentage of InterestIncomeFederalFundsSold0.00.00.00.00.0100.00.00.00.00.0100.0100.0100.00.00.0100.0100.0100.0100.0100.0100.0100.00.0100.00.00.0100.00.00.0100.00.0100.00.0100.0100.00.00.0100.0

us-gaap:InterestIncomeSecuritiesTaxExempt

us-gaap:InterestIncomeSecuritiesTaxExempt


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-30
Value3.3442.1832.1022.1192.5543.0933.4673.493.5843.5794.4015.0865.025.1914.2923.7173.5663.513.3113.0772.8742.9163.193.2493.7083.1223.2943.4433.363.1982.9122.8962.6192.2713.4833.373.5183.5643.4383.2823.047
Percentage of InterestIncomeSecuritiesTaxExempt100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:InterestIncomeSecuritiesTaxable

us-gaap:InterestIncomeSecuritiesTaxable


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-30
Value2321221816151514121111108.5998.2538.2547.9177.9528.7356.9175.8586.7397.1326.9727.5477.4477.7617.3274.8034.7124.6595.0794.4525.0267.5726.3756.8267.5837.4117.8898.2258.938
Percentage of InterestIncomeSecuritiesTaxable100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:InvestmentBankingAdvisoryBrokerageAndUnderwritingFeesAndCommissions

us-gaap:InvestmentBankingAdvisoryBrokerageAndUnderwritingFeesAndCommissions


None
Period 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
Value379000.0963000.0955000.0821000.01338000.01729000.02061000.01670000.01807000.01754000.01400000.01161000.0
Percentage of InvestmentBankingAdvisoryBrokerageAndUnderwritingFeesAndCommissions100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

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
Value5049505049504649504843454141394041413337363631333232302829292927252322171718161515
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:LeaseCost

us-gaap:LeaseCost


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value1327000.01398000.01519000.01723000.01494000.01440000.0
Percentage of LeaseCost100.0100.0100.0100.0100.0100.0

us-gaap:MortgageServicingRightsMSRImpairmentRecovery us-gaap:FiniteLivedIntangibleAssetsByMajorClass

us-gaap:MortgageServicingRightsMSRImpairmentRecovery

htlf:MortgageServicingRights


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value-9000.01565000.0-661000.0619000.0364000.0589000.058000.0000
Percentage of MortgageServicingRightsMSRImpairmentRecovery100.0100.0100.0100.0100.0100.0100.00.00.00.0

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
Value9090929275888892888377786971696871706561635953545352534748465447414040313232373329
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
Value3025282932262729272425242525242831292424303021202018172024262729282319131412181210
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:NoninterestIncomeOtherOperatingIncome

us-gaap:NoninterestIncomeOtherOperatingIncome


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-30
Value1995000.02058000.02854000.03207000.01682000.01667000.01226000.01149000.01167000.01220000.02394000.01409000.0738000.0794000.02588000.01028000.0764000.01200000.01003000.0924000.0601000.0881000.0945000.0612000.0398000.0625000.0846000.01011000.0716000.0680000.01456000.0543000.0149000.02565000.0212000.0-171000.0-216000.0261000.01265000.0349000.0443000.0
Percentage of NoninterestIncomeOtherOperatingIncome100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

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
Value6.5026.4715.8136.5946.4366.6076.6226.3486.3156.0435.8926.2235.0565.0735.0765.0995.225.0034.3344.3074.0284.2593.9053.8073.9844.053.6633.3873.2243.1853.0172.5962.5342.4822.3682.3962.2132.3862.3392.2872.201
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:OffBalanceSheetCreditLossLiabilityCreditLossExpenseReversal

us-gaap:OffBalanceSheetCreditLossLiabilityCreditLossExpenseReversal


None
Period End2020-06-30
Value1924000.0
Percentage of OffBalanceSheetCreditLossLiabilityCreditLossExpenseReversal100.0

us-gaap:OperatingLeaseCost

us-gaap:OperatingLeaseCost


None
Period End2020-06-302020-03-312019-09-302019-06-302019-03-31
Value1311000.01382000.01681000.01462000.01405000.0
Percentage of OperatingLeaseCost100.0100.0100.0100.0100.0

us-gaap:OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax

us-gaap:OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-31
Value58-22.189-19.3613182119-5.837-6.125-15.8840.3283.1775.0531.786-30.997-4.411-0.439.794-8.7240.25-3.4894.29
Percentage of OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OtherComprehensiveIncomeLossAvailableForSaleSecuritiesTax

us-gaap:OtherComprehensiveIncomeLossAvailableForSaleSecuritiesTax


None
Period End2020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-09-302016-06-302016-03-312015-09-302015-06-302015-03-31
Value20-7.7974.5776.3837.281-2.078-2.117-5.3912.0843.2381.111-2.871-0.2896.5240.169-2.3612.859
Percentage of OtherComprehensiveIncomeLossAvailableForSaleSecuritiesTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationAndTaxParent

us-gaap:OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationAndTaxParent


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-30
Value-88000.0-3056000.0646000.0-612000.0-1716000.0-1064000.0-1751000.0558000.01032000.0
Percentage of OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationAndTaxParent100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationTaxParent

us-gaap:OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationTaxParent


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-30
Value-18000.0-814000.0174000.0-161000.0-453000.0-282000.0-462000.079000.0-105000.0
Percentage of OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationTaxParent100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OtherComprehensiveIncomeLossCashFlowHedgeGainLossBeforeReclassificationAndTax

us-gaap:OtherComprehensiveIncomeLossCashFlowHedgeGainLossBeforeReclassificationAndTax


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-30
Value317000.0-3680000.0929000.0-800000.0-2263000.0-1504000.0-2175000.0395000.0897000.0
Percentage of OtherComprehensiveIncomeLossCashFlowHedgeGainLossBeforeReclassificationAndTax100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OtherComprehensiveIncomeLossCashFlowHedgeGainLossBeforeReclassificationAndTax us-gaap:DerivativeInstrumentRisk

us-gaap:InterestRateSwap


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-30
Value-100000.0-3863000.0827000.0-766000.0-2163000.0-1340000.0-2203000.0375000.0927000.0
Percentage of OtherComprehensiveIncomeLossCashFlowHedgeGainLossBeforeReclassificationAndTax-31.5105.089.095.895.689.1101.394.9103.3

us-gaap:OtherComprehensiveIncomeLossCashFlowHedgeGainLossReclassificationBeforeTax

us-gaap:OtherComprehensiveIncomeLossCashFlowHedgeGainLossReclassificationBeforeTax


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-30
Value423000.0190000.0109000.0-27000.0-94000.0-158000.038000.0-242000.0-30000.0
Percentage of OtherComprehensiveIncomeLossCashFlowHedgeGainLossReclassificationBeforeTax100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OtherComprehensiveIncomeLossCashFlowHedgeGainLossReclassificationBeforeTax us-gaap:DerivativeInstrumentRisk, us-gaap:IncomeStatementLocation

us-gaap:InterestRateSwap, us-gaap:InterestExpense


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-30
Value417000.0183000.099000.0-31000.0-100000.0-165000.028000.021000.0-30000.0
Percentage of OtherComprehensiveIncomeLossCashFlowHedgeGainLossReclassificationBeforeTax98.696.390.8114.8106.4104.473.7-8.7100.0

us-gaap:OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesBeforeTax

us-gaap:OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesBeforeTax


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-30
Value2.0061.6580.4912.0133.581.5750.048-0.145-0.2591.4411.2111.6791.3922.4821.5541.5864.6223.7563.661.8073.114.3531.2080.8250.8540.7810.5091.1182.0673.427-0.1445.212
Percentage of OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesBeforeTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodBeforeTax

us-gaap:OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodBeforeTax


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312011-12-312011-09-302010-12-312010-09-30
Value81-28.328-25.68119282926-8.06-8.501-19.8341.7766.949.6835.379-49.545-5.6963.90320-11.1112.202-2.76411-2.56911-14.77910
Percentage of OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodBeforeTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

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
Value1111141512111512119.794109.9979.2088.448108.629.3039.237108.9889.9696.9817.3067.3897.4155.7867.5195.144.9444.558115.8264.5234.4864.4583.693.6833.9143.6233.2773.435
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:PaymentsForDepositsWithOtherInstitutions

us-gaap:PaymentsForDepositsWithOtherInstitutions


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-31
Value3000.04000.04000.06000.00248000.0001000000.000000000003605000.00000
Percentage of PaymentsForDepositsWithOtherInstitutions100.0100.0100.0100.00.0100.00.00.0100.00.00.00.00.00.00.00.00.00.00.0100.00.00.00.00.0

us-gaap:PaymentsForOriginationAndPurchasesOfLoansHeldForSale

us-gaap:PaymentsForOriginationAndPurchasesOfLoansHeldForSale


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-30
Value17991941241036194233205112179179205164256317318227236363412311269292243158177312442448468478351273247785795281196
Percentage of PaymentsForOriginationAndPurchasesOfLoansHeldForSale100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

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
Value8755.56843124-33.222-43.925118-72.72954322368-32.453-80.916-84.149-40.493-19.73-78.502-28.84741209-25.68479105119931877349-25.01437131025711074202.248-34.97816
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:PaymentsToAcquireAvailableForSaleSecuritiesDebt

us-gaap:PaymentsToAcquireAvailableForSaleSecuritiesDebt


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-31
Value864627592835849299257207488244517
Percentage of PaymentsToAcquireAvailableForSaleSecuritiesDebt100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:PaymentsToAcquireLifeInsurancePolicies

us-gaap:PaymentsToAcquireLifeInsurancePolicies


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302016-12-312016-09-302015-12-312015-09-302014-12-312014-09-302013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-30
Value162000.039000.012000.0011000.05000.0228000.02000000.0000000000002835000.0000004571000.00003140000.000
Percentage of PaymentsToAcquireLifeInsurancePolicies100.0100.0100.00.0100.0100.0100.0100.00.00.00.00.00.00.00.00.00.00.00.0100.00.00.00.00.00.0100.00.00.00.0100.00.00.0

us-gaap:PaymentsToAcquireOtherInvestments

us-gaap:PaymentsToAcquireOtherInvestments


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-31
Value0.6119.6621.4890.0583.121.7791.320.5691.1980.6440.1040.0110.0330.9680.3750.0081.6410.2260.0070.8247.0052.0043.0072.4045.4870.9582.7223.7140.850.002
Percentage of PaymentsToAcquireOtherInvestments100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ProceedsFromFederalHomeLoanBankBorrowings

us-gaap:ProceedsFromFederalHomeLoanBankBorrowings


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-31
Value25491810.00.0430107538222065
Percentage of ProceedsFromFederalHomeLoanBankBorrowings100.0100.0100.00.00.0100.0100.0100.0100.0100.0100.0

us-gaap:ProceedsFromIssuanceOfCommonStock

us-gaap:ProceedsFromIssuanceOfCommonStock


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-30
Value0.1240.8040.0850.1680.1550.2530.2030.130.1420.0140.1590.4060.180.218520.7620.5380.5631.1780.7520.7460.8321.0110.2330.1820.2471.9050.9620.361.0387.1561.7340.4070.260.4250.210.3080.4850.5120.227
Percentage of ProceedsFromIssuanceOfCommonStock100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ProceedsFromIssuanceOfOtherLongTermDebt

us-gaap:ProceedsFromIssuanceOfOtherLongTermDebt


None
Period End2020-06-302020-03-312019-06-302019-03-31
Value311.930.00.05
Percentage of ProceedsFromIssuanceOfOtherLongTermDebt100.0100.00.0100.0

us-gaap:ProceedsFromMaturitiesPrepaymentsAndCallsOfAvailableForSaleSecurities

us-gaap:ProceedsFromMaturitiesPrepaymentsAndCallsOfAvailableForSaleSecurities


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-30
Value1209213786928665606249605954475748473538374937323138343155706557698476705987773746
Percentage of ProceedsFromMaturitiesPrepaymentsAndCallsOfAvailableForSaleSecurities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap: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
Value1.7770.0550.220.5320.252.1562.7844.2725.3273.573.9762.990.8322.8231.4124.3090.7083.2541.7330.6920.4380.208-0.7161.5980.4370.1820.1881.4680.3740.140.1620.650.3930.3710.2050.6550.3810.220.2370.789
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:ProceedsFromMaturitiesPrepaymentsAndCallsOfOtherInvestments

us-gaap:ProceedsFromMaturitiesPrepaymentsAndCallsOfOtherInvestments


None
Period End2020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312014-12-31
Value0.5225.6132.3055.2622.730.6380.7230.677-2.5740.5570.4961.5210.00.00.00.00.00.0
Percentage of ProceedsFromMaturitiesPrepaymentsAndCallsOfOtherInvestments100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.00.00.00.00.00.0

us-gaap:ProceedsFromSaleOfAvailableForSaleSecuritiesDebt

us-gaap:ProceedsFromSaleOfAvailableForSaleSecuritiesDebt


None
Period 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
Value1823281422907604343359243392329503
Percentage of ProceedsFromSaleOfAvailableForSaleSecuritiesDebt100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ProceedsFromSaleOfForeclosedAssets

us-gaap:ProceedsFromSaleOfForeclosedAssets


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-30
Value0.7641.0191.3973.0821.2882.5378.4341.0371.4230.6683.2663.2263.7670.5851.2180.1050.7772.3843.1370.9263.092.3121.5963.9155.5845.0795.5354.1546.6373.5137.5174.5586.471126.0346.6394.8825.2163.2221.207
Percentage of ProceedsFromSaleOfForeclosedAssets100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ProceedsFromSaleOfLoansHeldForSale

us-gaap:ProceedsFromSaleOfLoansHeldForSale


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-30
Value15410010612896641192482101351741952101802763293192342683724222872972882211551963444544634864653942322101026681268214
Percentage of ProceedsFromSaleOfLoansHeldForSale100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ProceedsFromSaleOfPropertyPlantAndEquipment

us-gaap:ProceedsFromSaleOfPropertyPlantAndEquipment


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-31
Value3331000.00-374000.0448000.0712000.0117000.01974000.0376000.07000.0615000.03022000.0153000.01689000.03000.0261000.0201000.0485000.0073000.01093000.02000.013000.0188000.0175000.000137000.0
Percentage of ProceedsFromSaleOfPropertyPlantAndEquipment100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.0100.0100.0100.00.00.0100.0

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
Value1312111214119.723119.9488.4598.5378.457.5838.3097.1955.9857.4867.016.5035.2515.2496.0445.0724.4294.2144.5265.274.4864.2333.5434.44.2173.9612.763.3853.113.0533.0193.0652.6212.549
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
Value25214.9035.2014.9181.6359.6815.2384.8314.2635.3285.7050.8893.6412.1815.3282.1182.0672.1713.1815.6741.6712.8662.5532.7516.3312.0495.1491.8620.6373.35-0.5023.02.3547.7847.7273.845108.864.7999.955
Percentage of ProvisionForLoanAndLeaseLosses100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ProvisionForLoanAndLeaseLosses us-gaap:FinancingReceivablePortfolioSegment

htlf:AgriculturalPortfolioSegment


None
Period End2020-06-302019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-30
Value0.9050.8210.7740.4950.6940.4680.0021.2050.4440.1582.281-0.1360.643-0.5830.9040.0680.138-0.0550.258
Percentage of ProvisionForLoanAndLeaseLosses3.616.714.910.142.44.80.024.910.43.040.0-15.317.7-26.717.03.26.7-2.58.1

us-gaap:ConsumerPortfolioSegment


None
Period End2020-06-302019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-30
Value0.4470.5210.462-0.0220.0490.8871.1771.3520.7781.6911.3871.2931.533.241.8551.3450.6651.0431.109
Percentage of ProvisionForLoanAndLeaseLosses1.810.68.9-0.43.09.222.528.018.331.724.3145.442.0148.634.863.532.248.034.9

us-gaap:ResidentialPortfolioSegment


None
Period End2020-06-302019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-30
Value0.7220.086-0.1520.083-0.030.077-0.008-0.09-0.142-0.0710.0820.2090.1830.3750.0220.315-0.066-1.802-0.311
Percentage of ProvisionForLoanAndLeaseLosses2.91.8-2.91.7-1.80.8-0.2-1.9-3.3-1.31.423.55.017.20.414.9-3.2-83.0-9.8

us-gaap:ProvisionForLoanAndLeaseLosses us-gaap:FinancingReceivablePortfolioSegment, us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable

us-gaap:CommercialPortfolioSegment, htlf:NonOwnerOccupiedCommercialRealEstate


None
Period End2020-06-302019-06-30
Value1.8520.296
Percentage of ProvisionForLoanAndLeaseLosses7.46.0

us-gaap:CommercialPortfolioSegment, htlf:OwnerOccupiedCommercialRealEstate


None
Period End2020-06-302019-06-30
Value13-0.139
Percentage of ProvisionForLoanAndLeaseLosses52.3-2.8

us-gaap:CommercialPortfolioSegment, htlf:PaycheckProtectionProgramLoans


None
Period End2020-06-30
Value0.0
Percentage of ProvisionForLoanAndLeaseLosses0.0

us-gaap:CommercialPortfolioSegment, us-gaap:CommercialLoan


None
Period End2020-06-302019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-30
Value2.4033.1462.1053.754-0.2155.2194.1471.9921.9872.2821.4092.061.411-1.8571.487-0.7430.2011.5981.628
Percentage of ProvisionForLoanAndLeaseLosses9.664.240.576.3-13.153.979.241.246.642.824.7231.738.8-85.127.9-35.19.773.651.2

us-gaap:CommercialPortfolioSegment, us-gaap:RealEstateLoan


None
Period End2020-06-302019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-30
Value5.590.3292.0120.6081.1373.03-0.080.3721.1961.2680.546-2.537-0.1261.0061.061.1331.1291.3870.497
Percentage of ProvisionForLoanAndLeaseLosses22.46.738.712.469.531.3-1.57.728.123.89.6-285.4-3.546.119.953.554.663.915.6

us-gaap:ProvisionForLoanLossesExpensed

us-gaap:ProvisionForLoanLossesExpensed


None
Period End2020-06-302020-03-312019-06-302019-03-31
Value25194.9181.635
Percentage of ProvisionForLoanLossesExpensed100.0100.0100.0100.0

us-gaap:ProvisionForLoanLossesExpensed us-gaap:FinancingReceivablePortfolioSegment

htlf:AgriculturalPortfolioSegment


None
Period End2020-06-302020-03-312019-06-302019-03-31
Value0.905-1.0690.5150.655
Percentage of ProvisionForLoanLossesExpensed3.6-5.410.540.1

us-gaap:ConsumerPortfolioSegment


None
Period End2020-06-302020-03-312019-06-302019-03-31
Value0.4470.845-0.008-0.294
Percentage of ProvisionForLoanLossesExpensed1.84.3-0.2-18.0

us-gaap:ResidentialPortfolioSegment


None
Period End2020-06-302020-03-312019-06-302019-03-31
Value0.7222.480.136-0.102
Percentage of ProvisionForLoanLossesExpensed2.912.52.8-6.2

us-gaap:ProvisionForLoanLossesExpensed us-gaap:FinancingReceivablePortfolioSegment, us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable

us-gaap:CommercialPortfolioSegment, htlf:NonOwnerOccupiedCommercialRealEstate


None
Period End2020-06-302020-03-312019-06-302019-03-31
Value1.8523.3530.296-0.344
Percentage of ProvisionForLoanLossesExpensed7.416.96.0-21.0

us-gaap:CommercialPortfolioSegment, htlf:OwnerOccupiedCommercialRealEstate


None
Period End2020-06-302020-03-312019-06-302019-03-31
Value132.528-0.139-0.261
Percentage of ProvisionForLoanLossesExpensed52.312.7-2.8-16.0

us-gaap:CommercialPortfolioSegment, us-gaap:CommercialLoan


None
Period End2020-06-302020-03-312019-06-302019-03-31
Value2.4033.7734.1251.616
Percentage of ProvisionForLoanLossesExpensed9.619.083.998.8

us-gaap:CommercialPortfolioSegment, us-gaap:RealEstateLoan


None
Period End2020-06-302020-03-312019-06-302019-03-31
Value5.597.955-0.0070.365
Percentage of ProvisionForLoanLossesExpensed22.440.0-0.122.3

us-gaap:RepaymentsOfFederalHomeLoanBankBorrowings

us-gaap:RepaymentsOfFederalHomeLoanBankBorrowings


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-31
Value79517150.02550636996.526050
Percentage of RepaymentsOfFederalHomeLoanBankBorrowings100.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:RepaymentsOfOtherLongTermDebt

us-gaap:RepaymentsOfOtherLongTermDebt


None
Period End2020-06-302020-03-312019-06-302019-03-31
Value1.791.8328.7536.868
Percentage of RepaymentsOfOtherLongTermDebt100.0100.0100.0100.0

us-gaap:ServicingAssetAtAmortizedValueAmortization1 us-gaap:FiniteLivedIntangibleAssetsByMajorClass

us-gaap:ServicingAssetAtAmortizedValueAmortization1

htlf:CommercialServicingRights


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-09-302016-06-302016-03-312015-09-30
Value111000.058000.0157000.0152000.0122000.0281000.0192000.0255000.0258000.0322000.0234000.0334000.0437000.0306000.0437000.0256000.0536000.0350000.0
Percentage of ServicingAssetAtAmortizedValueAmortization1100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

htlf:MortgageServicingRights


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-09-302016-06-302016-03-312015-09-30
Value763000.0307000.0301000.0472000.0895000.01500000.01473000.01642000.01507000.01245000.01865000.02455000.02468000.02261000.02969000.02567000.02259000.02086000.0
Percentage of ServicingAssetAtAmortizedValueAmortization1687.4529.3191.7310.5733.6533.8767.2643.9584.1386.6797.0735.0564.8738.9679.41002.7421.5596.0

us-gaap:ServicingAssetAtAmortizedValueValuationAllowance

us-gaap:ServicingAssetAtAmortizedValueValuationAllowance


None
Period End2020-06-302020-03-312019-09-302019-06-302019-03-312018-12-312016-03-312015-12-31
Value02000000.0600000.0411000.0589000.058000.000
Percentage of ServicingAssetAtAmortizedValueValuationAllowance0.0100.0100.0100.0100.0100.00.00.0

us-gaap:ServicingAssetAtAmortizedValueValuationAllowance us-gaap:FiniteLivedIntangibleAssetsByMajorClass

htlf:CommercialServicingRightslessthan20Years


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-30
Value00-7000.07000.000000000000-8000.0
Percentage of ServicingAssetAtAmortizedValueValuationAllowance0.00.00.01.20.00.00.00.00.00.00.00.00.00.00.00.0

htlf:CommercialServicingRightsmorethan20Years


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-30
Value0000000-21000.07000.014000.08000.0-5000.0-19000.028000.0-8000.03000.0
Percentage of ServicingAssetAtAmortizedValueValuationAllowance0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

htlf:MortgageServicingRights15Year


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-30
Value-8000.0524000.0-130000.092000.027000.0125000.020000.0-30000.0
Percentage of ServicingAssetAtAmortizedValueValuationAllowance0.026.20.015.36.621.234.50.0

htlf:MortgageServicingRights15YearTranche


None
Period End2020-06-302020-03-31
Value-8000.0524000.0
Percentage of ServicingAssetAtAmortizedValueValuationAllowance0.026.2

htlf:MortgageServicingRights30Year


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-30
Value-1000.02010000.0-588000.0526000.0337000.0522000.038000.0-179000.0
Percentage of ServicingAssetAtAmortizedValueValuationAllowance0.0100.50.087.782.088.665.50.0

htlf:MortgageServicingRights30YearTranche


None
Period End2020-03-31
Value797000.0
Percentage of ServicingAssetAtAmortizedValueValuationAllowance39.9

us-gaap:ServicingAssetAtAmortizedValueValuationAllowance us-gaap:FiniteLivedIntangibleAssetsByMajorClass, us-gaap:StatementBusinessSegments

htlf:CommercialServicingRightslessthan20Years, htlf:PremierValleyBank


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-30
Value00-7000.07000.0000000000000
Percentage of ServicingAssetAtAmortizedValueValuationAllowance0.00.00.01.20.00.00.00.00.00.00.00.00.00.00.00.0

htlf:CommercialServicingRightslessthan20Years, htlf:WisconsinBankTrust


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-30
Value000000000000000-8000.0
Percentage of ServicingAssetAtAmortizedValueValuationAllowance0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

htlf:CommercialServicingRightsmorethan20Years, htlf:PremierValleyBank


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-30
Value0000000-21000.07000.014000.08000.0-5000.0-19000.028000.0-8000.03000.0
Percentage of ServicingAssetAtAmortizedValueValuationAllowance0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

htlf:MortgageServicingRights15Year, htlf:FirstBankTrust


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-30
Value-8000.0524000.0-130000.092000.027000.0125000.020000.0-30000.0
Percentage of ServicingAssetAtAmortizedValueValuationAllowance0.026.20.015.36.621.234.50.0

htlf:MortgageServicingRights30Year, htlf:FirstBankTrust


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-30
Value-1000.02010000.0-588000.0526000.0337000.0522000.038000.0-179000.0
Percentage of ServicingAssetAtAmortizedValueValuationAllowance0.0100.50.087.782.088.665.50.0

us-gaap:ServicingAssetAtFairValueOtherChangesInFairValue us-gaap:FiniteLivedIntangibleAssetsByMajorClass

us-gaap:ServicingAssetAtFairValueOtherChangesInFairValue

htlf:CommercialServicingRights


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-09-302016-06-302016-03-312015-09-30
Value0.00.0380.0160.0290.0050.0680.0330.0610.00.021-0.0060.0820.040.0930.1290.2090.1950.563
Percentage of ServicingAssetAtFairValueOtherChangesInFairValue0.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

htlf:MortgageServicingRights


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-09-302016-06-302016-03-312015-09-30
Value1.1140.3760.2390.3120.1440.1980.7231.6491.5111.1621.3711.5052.1412.1323.5243.4042.3954.047
Percentage of ServicingAssetAtFairValueOtherChangesInFairValue0.0989.51493.81075.92880.0291.22190.92703.30.05533.3-22850.01835.45352.52292.52731.81628.71228.2718.8

us-gaap:ServicingAssetsAndServicingLiabilitiesAtFairValueAssumptionsUsedToEstimateFairValueDiscountRate us-gaap:FiniteLivedIntangibleAssetsByMajorClass

us-gaap:ServicingAssetsAndServicingLiabilitiesAtFairValueAssumptionsUsedToEstimateFairValueDiscountRate

htlf:MortgageServicingRights


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-31
Value-0.00010.09030000.0903-0.0016
Percentage of ServicingAssetsAndServicingLiabilitiesAtFairValueAssumptionsUsedToEstimateFairValueDiscountRate100.0100.00.00.00.0100.0100.0

us-gaap:ServicingAssetsAndServicingLiabilitiesAtFairValueAssumptionsUsedToEstimateFairValueDiscountRate us-gaap:Range, us-gaap:FairValueByAssetClass, us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:MeasurementInputType, us-gaap:ValuationTechnique

srt:Maximum, us-gaap:PropertyPlantAndEquipment, us-gaap:FairValueInputsLevel3, us-gaap:MeasurementInputAppraisedValue, htlf:ValuationTechniqueModifiedAppraisedValue


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value00.10000.1
Percentage of ServicingAssetsAndServicingLiabilitiesAtFairValueAssumptionsUsedToEstimateFairValueDiscountRate-0.0110.70.00.00.0110.7

us-gaap:ServicingAssetsAndServicingLiabilitiesAtFairValueAssumptionsUsedToEstimateFairValueDiscountRate us-gaap:Range, us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FinancingReceivablePortfolioSegment, us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable, us-gaap:MeasurementInputType, us-gaap:ValuationTechnique

srt:Maximum, us-gaap:FairValueInputsLevel3, us-gaap:CommercialPortfolioSegment, us-gaap:CommercialLoan, us-gaap:MeasurementInputAppraisedValue, htlf:ValuationTechniqueModifiedAppraisedValue


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value-0.050.150.1-0.050.020.18
Percentage of ServicingAssetsAndServicingLiabilitiesAtFairValueAssumptionsUsedToEstimateFairValueDiscountRate50000.0166.10.00.00.0199.3

srt:Maximum, us-gaap:FairValueInputsLevel3, us-gaap:CommercialPortfolioSegment, us-gaap:RealEstateLoan, us-gaap:MeasurementInputAppraisedValue, htlf:ValuationTechniqueModifiedAppraisedValue


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value0.020.080.04-0.10.010.19
Percentage of ServicingAssetsAndServicingLiabilitiesAtFairValueAssumptionsUsedToEstimateFairValueDiscountRate-20000.088.60.00.00.0210.4

us-gaap:ServicingAssetsAndServicingLiabilitiesAtFairValueAssumptionsUsedToEstimateFairValueDiscountRate us-gaap:Range, us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FinancingReceivablePortfolioSegment, us-gaap:MeasurementInputType, us-gaap:ValuationTechnique

srt:Maximum, us-gaap:FairValueInputsLevel3, htlf:AgriculturalPortfolioSegment, us-gaap:MeasurementInputAppraisedValue, htlf:ValuationTechniqueModifiedAppraisedValue


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value0.020.060000.15
Percentage of ServicingAssetsAndServicingLiabilitiesAtFairValueAssumptionsUsedToEstimateFairValueDiscountRate-20000.066.40.00.00.0166.1

srt:Maximum, us-gaap:FairValueInputsLevel3, us-gaap:ConsumerPortfolioSegment, us-gaap:MeasurementInputDiscountRate, htlf:ValuationTechniqueModifiedAppraisedValue


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value00.070-0.020.030.09
Percentage of ServicingAssetsAndServicingLiabilitiesAtFairValueAssumptionsUsedToEstimateFairValueDiscountRate-0.077.50.00.00.099.7

srt:Maximum, us-gaap:FairValueInputsLevel3, us-gaap:ResidentialPortfolioSegment, us-gaap:MeasurementInputAppraisedValue, htlf:ValuationTechniqueModifiedAppraisedValue


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value-0.050.110.130.01-0.010.12
Percentage of ServicingAssetsAndServicingLiabilitiesAtFairValueAssumptionsUsedToEstimateFairValueDiscountRate50000.0121.80.00.00.0132.9

us-gaap:ServicingAssetsAndServicingLiabilitiesAtFairValueAssumptionsUsedToEstimateFairValueDiscountRate us-gaap:Range, us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:MeasurementInputType, us-gaap:ValuationTechnique

srt:Maximum, us-gaap:FairValueInputsLevel3, us-gaap:MeasurementInputAppraisedValue, htlf:ValuationTechniqueModifiedAppraisedValue


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value00.10000.1
Percentage of ServicingAssetsAndServicingLiabilitiesAtFairValueAssumptionsUsedToEstimateFairValueDiscountRate-0.0110.70.00.00.0110.7

us-gaap:ServicingAssetsAndServicingLiabilitiesAtFairValueAssumptionsUsedToEstimateFairValueDiscountRate us-gaap:Range, us-gaap:FiniteLivedIntangibleAssetsByMajorClass

srt:Maximum, htlf:CommercialServicingRights


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-31
Value0.00030.1437-0.0047-0.0025-0.01470.16130.0041
Percentage of ServicingAssetsAndServicingLiabilitiesAtFairValueAssumptionsUsedToEstimateFairValueDiscountRate-300.0159.10.00.00.0178.6-256.3

srt:Minimum, htlf:CommercialServicingRights


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-31
Value-0.02980.11020.0088-0.0248-0.00460.12710.0016
Percentage of ServicingAssetsAndServicingLiabilitiesAtFairValueAssumptionsUsedToEstimateFairValueDiscountRate29800.0122.00.00.00.0140.8-100.0

us-gaap:ServicingAssetsAndServicingLiabilitiesAtFairValueAssumptionsUsedToEstimateFairValuePrepaymentSpeed us-gaap:FiniteLivedIntangibleAssetsByMajorClass

us-gaap:ServicingAssetsAndServicingLiabilitiesAtFairValueAssumptionsUsedToEstimateFairValuePrepaymentSpeed

htlf:MortgageServicingRights


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-31
Value-0.0040.175-0.0220.0230.0210.120.0184
Percentage of ServicingAssetsAndServicingLiabilitiesAtFairValueAssumptionsUsedToEstimateFairValuePrepaymentSpeed100.0100.0100.0100.0100.0100.0100.0

us-gaap:ServicingAssetsAndServicingLiabilitiesAtFairValueAssumptionsUsedToEstimateFairValuePrepaymentSpeed us-gaap:Range, us-gaap:FiniteLivedIntangibleAssetsByMajorClass

srt:Maximum, htlf:CommercialServicingRights


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-31
Value-0.00290.19850.01480.0110.01060.14440.0156
Percentage of ServicingAssetsAndServicingLiabilitiesAtFairValueAssumptionsUsedToEstimateFairValuePrepaymentSpeed72.5113.4-67.347.850.5120.384.8

srt:Minimum, htlf:CommercialServicingRights


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-31
Value-0.00550.15770.01140.0185-0.00110.11370.0137
Percentage of ServicingAssetsAndServicingLiabilitiesAtFairValueAssumptionsUsedToEstimateFairValuePrepaymentSpeed137.590.1-51.880.4-5.294.874.5

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeituresWeightedAverageGrantDateFairValue us-gaap:AwardType

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeituresWeightedAverageGrantDateFairValue

us-gaap:RestrictedStockUnitsRSU


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-31
Value-1.3848.380.25-0.36-0.5849.890.110.081.8843.622.45-0.210.7531.032.68-0.01-0.0427.17-1.7-0.061.3223.820.261.121.8417.261.71-0.24-1.3220.64
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeituresWeightedAverageGrantDateFairValue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue us-gaap:AwardType

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue

us-gaap:RestrictedStockUnitsRSU


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-31
Value-0.5732.570.090-0.7745.77-0.130.1-0.0955.250.010-0.2947.50-0.040.7429.05001.0327.870.06-0.04-0.627.2900.040.0226.86
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue100.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.00.0100.0100.0100.00.00.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.0

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriod us-gaap:AwardType

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriod

us-gaap:RestrictedStockUnitsRSU


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value32245.086441.06135.02400.022501.0117120.0315.02665.017211.0107550.0
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriod100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodWeightedAverageGrantDateFairValue us-gaap:AwardType

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodWeightedAverageGrantDateFairValue

us-gaap:RestrictedStockUnitsRSU


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value-0.9645.480.340.112.9835.840.030.061.8530.79
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodWeightedAverageGrantDateFairValue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardNonOptionEquityInstrumentsForfeitures us-gaap:AwardType

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardNonOptionEquityInstrumentsForfeitures

us-gaap:RestrictedStockUnitsRSU


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-31
Value2719.011929.0783.08121.04651.013364.02872.02667.05898.019113.04295.02360.02798.07765.011938.0655.08814.02078.014686.04438.08667.02531.07038.03582.01898.02003.021142.023412.034400.0170.0
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardNonOptionEquityInstrumentsForfeitures100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardNonOptionEquityInstrumentsGranted us-gaap:AwardType

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardNonOptionEquityInstrumentsGranted

us-gaap:RestrictedStockUnitsRSU


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-31
Value46613.0165730.04882.0031617.0125970.07414.02559.026489.087249.0302.0826.015978.092267.002000.022003.0119720.00022348.0117600.0-1579.01904.022525.0108710.007900.05200.0113580.0
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardNonOptionEquityInstrumentsGranted100.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.00.00.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.0

us-gaap:StockIssuedDuringPeriodSharesNewIssues

us-gaap:StockIssuedDuringPeriodSharesNewIssues


None
Period End2020-06-30
Value11500.0
Percentage of StockIssuedDuringPeriodSharesNewIssues100.0

us-gaap:StockIssuedDuringPeriodSharesTreasuryStockReissued

us-gaap:StockIssuedDuringPeriodSharesTreasuryStockReissued


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-30
Value37527.0102940.08088.06129.02086400.0126110.04470.034584.03370200.01116600.010961.03249600.028378.0557530.01471400.0154290.036881.02104300.01801800.041209.040543.02098800.044068.010509.013663.078177.01465700.043855.090403.048134.0360480.064375.027960.021554.039877.07901.025292.041388.033595.018071.0
Percentage of StockIssuedDuringPeriodSharesTreasuryStockReissued100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:StockIssuedDuringPeriodValueShareBasedCompensation

us-gaap:StockIssuedDuringPeriodValueShareBasedCompensation


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-30
Value1336000.02222000.01237000.01231000.01227000.02375000.0816000.0919000.0912000.01858000.0480000.0825000.0981000.01782000.0405000.0687000.01299000.01087000.0643000.0727000.0769000.01139000.0715000.0852000.0733000.01098000.0290000.0-8000.0557000.0989000.0543000.0427000.0425000.0759000.0349000.0309000.0308000.0312000.0143000.0261000.0
Percentage of StockIssuedDuringPeriodValueShareBasedCompensation100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:StockIssuedDuringPeriodValueShareBasedCompensation us-gaap:StatementEquityComponents

us-gaap:AdditionalPaidInCapital


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-30
Value1336000.02222000.01237000.01231000.01227000.02375000.0816000.0919000.0912000.01858000.0480000.0825000.0981000.01782000.0405000.0687000.01299000.01087000.0643000.0727000.0769000.01139000.0715000.0852000.0733000.01098000.0290000.0-8000.0557000.0989000.0543000.0427000.0425000.0759000.0349000.0309000.0308000.0312000.0143000.0261000.0
Percentage of StockIssuedDuringPeriodValueShareBasedCompensation100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:StockIssuedDuringPeriodValueTreasuryStockReissued

us-gaap:StockIssuedDuringPeriodValueTreasuryStockReissued


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-30
Value0.1240.8040.0850.168920.2530.2031.068184530.1591530.1821514.6450.53859680.7720.785541.0160.2330.4390.109400.9960.3781.0547.2041.8320.460.2830.4480.2270.310.5510.5120.235
Percentage of StockIssuedDuringPeriodValueTreasuryStockReissued100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:StockIssuedDuringPeriodValueTreasuryStockReissued us-gaap:StatementEquityComponents

us-gaap:AdditionalPaidInCapital


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-30
Value0.0860.7010.0770.162900.1260.1991.03318152-0.0331490.09621483.9470.07355660.0970.378500.7080.2070.402-0.53138-0.0610.0220.7834.1860.98-0.087-0.207-0.167-0.086-0.166-0.354-0.265-0.153
Percentage of StockIssuedDuringPeriodValueTreasuryStockReissued69.487.290.696.497.749.898.096.798.297.7-20.897.753.396.894.385.013.694.497.012.648.293.069.788.891.6-487.295.1-6.15.874.358.153.5-18.9-73.1-37.3-37.9-53.5-64.2-51.8-65.1

us-gaap:CommonStock


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-31
Value0.0380.1030.0080.0062.0860.1270.0040.0353.371.1150.0073.2450.0270.5541.4370.1390.0242.0841.7960.0240.032.0750.0340.0090.0130.0561.4460.0060.080.039
Percentage of StockIssuedDuringPeriodValueTreasuryStockReissued30.612.89.43.62.350.22.03.31.82.14.42.115.02.52.83.04.53.52.63.13.83.83.33.93.051.43.60.621.23.7

us-gaap:TransferOfPortfolioLoansAndLeasesToHeldForSale1

us-gaap:TransferOfPortfolioLoansAndLeasesToHeldForSale1


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-31
Value0.00.00.00.00.03264310.00.00.0
Percentage of TransferOfPortfolioLoansAndLeasesToHeldForSale10.00.00.00.00.0100.0100.0100.00.00.00.0

us-gaap:TransferToOtherRealEstate

us-gaap:TransferToOtherRealEstate


None
Period End2020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-09-302016-06-302016-03-31
Value810000.0245000.02766000.02961000.01694000.02752000.01325000.0939000.043000.02232000.02680000.00917000.0442000.0
Percentage of TransferToOtherRealEstate100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0

us-gaap:VariableLeaseCost

us-gaap:VariableLeaseCost


None
Period End2020-06-302020-03-312019-09-302019-06-302019-03-31
Value16000.016000.042000.032000.035000.0
Percentage of VariableLeaseCost100.0100.0100.0100.0100.0

htlf:DebtSecuritiesHeldToMaturityAfterAllowanceForCreditLoss

htlf:DebtSecuritiesHeldToMaturityAfterAllowanceForCreditLoss


None
Period End2020-06-302020-03-312019-12-31
Value909191
Percentage of DebtSecuritiesHeldToMaturityAfterAllowanceForCreditLoss100.0100.0100.0

htlf:DebtSecuritiesHeldToMaturityContinuousUnrealizedLossPosition12MonthsOrLongerNumberOfPositions

htlf:DebtSecuritiesHeldToMaturityContinuousUnrealizedLossPosition12MonthsOrLongerNumberOfPositions


None
Period End2020-03-31
Value0
Percentage of DebtSecuritiesHeldToMaturityContinuousUnrealizedLossPosition12MonthsOrLongerNumberOfPositions0.0

htlf:DebtSecuritiesHeldToMaturityContinuousUnrealizedLossPosition12MonthsOrLongerNumberOfPositions us-gaap:FinancialInstrument

us-gaap:USStatesAndPoliticalSubdivisions


None
Period End2020-03-31
Value0
Percentage of DebtSecuritiesHeldToMaturityContinuousUnrealizedLossPosition12MonthsOrLongerNumberOfPositions0.0

htlf:DebtSecuritiesHeldToMaturityContinuousUnrealizedLossPositionLessThan12MonthsNumberOfPositions

htlf:DebtSecuritiesHeldToMaturityContinuousUnrealizedLossPositionLessThan12MonthsNumberOfPositions


None
Period End2020-03-31
Value0
Percentage of DebtSecuritiesHeldToMaturityContinuousUnrealizedLossPositionLessThan12MonthsNumberOfPositions0.0

htlf:DebtSecuritiesHeldToMaturityContinuousUnrealizedLossPositionLessThan12MonthsNumberOfPositions us-gaap:FinancialInstrument

us-gaap:USStatesAndPoliticalSubdivisions


None
Period End2020-03-31
Value0
Percentage of DebtSecuritiesHeldToMaturityContinuousUnrealizedLossPositionLessThan12MonthsNumberOfPositions0.0

htlf:DebtSecuritiesHeldToMaturityContinuousUnrealizedLossPositionNumberOfPositions

htlf:DebtSecuritiesHeldToMaturityContinuousUnrealizedLossPositionNumberOfPositions


None
Period End2020-03-31
Value0
Percentage of DebtSecuritiesHeldToMaturityContinuousUnrealizedLossPositionNumberOfPositions0.0

htlf:DebtSecuritiesHeldToMaturityContinuousUnrealizedLossPositionNumberOfPositions us-gaap:FinancialInstrument

us-gaap:USStatesAndPoliticalSubdivisions


None
Period End2020-03-31
Value0
Percentage of DebtSecuritiesHeldToMaturityContinuousUnrealizedLossPositionNumberOfPositions0.0

htlf:DepositsHeldForSale us-gaap:FairValueByFairValueHierarchyLevel

htlf:DepositsHeldForSale

us-gaap:FairValueInputsLevel3


None
Period End2020-03-312019-09-302018-12-31
Value0.00.0100
Percentage of DepositsHeldForSale0.00.0100.0

htlf:DepositsHeldForSale us-gaap:FairValueByMeasurementBasis

us-gaap:CarryingReportedAmountFairValueDisclosure


None
Period End2020-03-312019-09-302018-12-31
Value0.00.0106
Percentage of DepositsHeldForSale0.00.0106.2

us-gaap:EstimateOfFairValueFairValueDisclosure


None
Period End2020-03-312019-09-302018-12-31
Value0.00.0100
Percentage of DepositsHeldForSale0.00.0100.0

htlf:FinancingReceivableNonaccrualWithAllowance

htlf:FinancingReceivableNonaccrualWithAllowance


None
Period End2020-06-302020-03-31
Value5946
Percentage of FinancingReceivableNonaccrualWithAllowance100.0100.0

htlf:FinancingReceivableNonaccrualWithAllowance us-gaap:FinancingReceivablePortfolioSegment

htlf:AgriculturalPortfolioSegment


None
Period End2020-06-302020-03-31
Value117.225
Percentage of FinancingReceivableNonaccrualWithAllowance19.915.7

us-gaap:ConsumerPortfolioSegment


None
Period End2020-06-302020-03-31
Value4.1674.599
Percentage of FinancingReceivableNonaccrualWithAllowance7.010.0

us-gaap:ResidentialPortfolioSegment


None
Period End2020-06-302020-03-31
Value9.46811
Percentage of FinancingReceivableNonaccrualWithAllowance15.925.1

htlf:FinancingReceivableNonaccrualWithAllowance us-gaap:FinancingReceivablePortfolioSegment, us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable

us-gaap:CommercialPortfolioSegment, htlf:NonOwnerOccupiedCommercialRealEstate


None
Period End2020-06-302020-03-31
Value0.3490.364
Percentage of FinancingReceivableNonaccrualWithAllowance0.60.8

us-gaap:CommercialPortfolioSegment, htlf:OwnerOccupiedCommercialRealEstate


None
Period End2020-06-302020-03-31
Value205.675
Percentage of FinancingReceivableNonaccrualWithAllowance35.012.3

us-gaap:CommercialPortfolioSegment, us-gaap:CommercialLoan


None
Period End2020-06-302020-03-31
Value1115
Percentage of FinancingReceivableNonaccrualWithAllowance19.533.8

us-gaap:CommercialPortfolioSegment, us-gaap:RealEstateLoan


None
Period End2020-06-302020-03-31
Value1.2981.062
Percentage of FinancingReceivableNonaccrualWithAllowance2.22.3

htlf:FinancingReceivableRecordedInvestment30to89DaysPastDuePercentage

htlf:FinancingReceivableRecordedInvestment30to89DaysPastDuePercentage


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-31
Value0.00220.00380.00330.00280.00310.00470.00210.00620.0030.00210.00270.00330.00380.00440.00370.0040.00730.00450.00310.0040.00310.00420.00210.00320.00250.00310.003
Percentage of FinancingReceivableRecordedInvestment30to89DaysPastDuePercentage100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

htlf:IntangibleAssetsNetExcludingGoodwillAndServicingRights

htlf:IntangibleAssetsNetExcludingGoodwillAndServicingRights


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312015-12-31
Value43454849524447505241353722242222
Percentage of IntangibleAssetsNetExcludingGoodwillAndServicingRights100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

htlf:InterestRateCashFlowHedgeDerivativeReceiveRatePercentage us-gaap:BalanceSheetLocation, us-gaap:DerivativeInstrumentRisk

htlf:InterestRateCashFlowHedgeDerivativeReceiveRatePercentage

us-gaap:OtherLiabilities, htlf:InterestRateSwapDueJuly242028


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-30
Value0.026850.034290.04280.045370.049040.049860.050040.04712
Percentage of InterestRateCashFlowHedgeDerivativeReceiveRatePercentage100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OtherLiabilities, htlf:InterestRateSwapDueJune152021


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-30
Value0.003130.007410.018940.021190.0241
Percentage of InterestRateCashFlowHedgeDerivativeReceiveRatePercentage11.721.644.346.749.1

us-gaap:OtherLiabilities, htlf:InterestRateSwapDueJune302021


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-30
Value0.012190.012190.018310.023030.02597
Percentage of InterestRateCashFlowHedgeDerivativeReceiveRatePercentage45.435.542.850.853.0

us-gaap:OtherLiabilities, htlf:InterestRateSwapdueJune152024


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302015-12-31
Value0.003130.007410.018940.021190.02410.026110.015880.01320.012460000
Percentage of InterestRateCashFlowHedgeDerivativeReceiveRatePercentage11.721.644.346.749.152.40.00.00.00.00.00.00.0

us-gaap:OtherLiabilities, htlf:InterestRateSwapdueMarch12024


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302015-12-31
Value0.00350.01580.019070.021380.02520.026260.014810.013160.012020.01055000
Percentage of InterestRateCashFlowHedgeDerivativeReceiveRatePercentage13.046.144.647.151.452.70.00.00.00.00.00.00.0

us-gaap:OtherLiabilities, htlf:InterestRateSwapdueMarch172021


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302015-12-31
Value0.002990.008430.0190.021390.02410.0160.013210.012670.011480.009930.008570.00526
Percentage of InterestRateCashFlowHedgeDerivativeReceiveRatePercentage11.124.644.447.149.10.00.00.00.00.00.00.0

us-gaap:OtherLiabilities, htlf:InterestRateSwapdueMay102021


None
Period End2020-06-302020-03-312016-09-30
Value0.026770.033630.03018
Percentage of InterestRateCashFlowHedgeDerivativeReceiveRatePercentage99.798.10.0

htlf:LoansAndLeasesReceivableGrossPercentage us-gaap:InternalCreditAssessment

htlf:LoansAndLeasesReceivableGrossPercentage

us-gaap:SpecialMention


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302012-12-31
Value0.60.60.60.620.570.480.520.530.540.550.520.480.520.540.470.530.570.570.680.690.660.680.660.690.70.70.590.50.5
Percentage of LoansAndLeasesReceivableGrossPercentage100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:Substandard


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302012-12-31
Value0.40.40.40.380.430.520.480.470.460.450.480.520.480.460.530.470.430.430.320.310.340.320.340.310.30.30.380.450.5
Percentage of LoansAndLeasesReceivableGrossPercentage66.766.766.761.375.4108.392.388.785.281.892.3108.392.385.2112.888.775.475.447.144.951.547.151.544.942.942.964.490.0100.0

htlf:MarketableSecuritiesAmortizedCostBasis

htlf:MarketableSecuritiesAmortizedCostBasis


None
Period End2020-06-302020-03-312019-12-312018-12-31
Value4075351733112492
Percentage of MarketableSecuritiesAmortizedCostBasis100.0100.0100.0100.0

htlf:MortgageLoansServicedForOthersAmount us-gaap:BusinessAcquisition

htlf:MortgageLoansServicedForOthersAmount

htlf:FirstBankTrust


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-31
Value661618616621630692648
Percentage of MortgageLoansServicedForOthersAmount100.0100.0100.0100.0100.0100.0100.0

htlf:OtherBorrowingsFairValueDisclosure us-gaap:FairValueByFairValueHierarchyLevel

htlf:OtherBorrowingsFairValueDisclosure

us-gaap:FairValueInputsLevel2


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312017-12-312016-12-312015-12-312015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-30
Value308280278278283268276285288281299364401339332339355321331329376365366
Percentage of OtherBorrowingsFairValueDisclosure100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

htlf:OtherBorrowingsFairValueDisclosure us-gaap:FairValueByMeasurementBasis

us-gaap:CarryingReportedAmountFairValueDisclosure


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312017-12-312016-12-312015-12-312015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302012-12-31
Value306276275278282268274285288263296361396334329334350322389
Percentage of OtherBorrowingsFairValueDisclosure99.398.599.199.999.799.999.399.8100.093.698.999.198.698.699.098.598.4100.5103.3

us-gaap:EstimateOfFairValueFairValueDisclosure


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312017-12-312016-12-312015-12-312015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302012-12-31
Value308280278278283268276285288281299364401339332339355321376
Percentage of OtherBorrowingsFairValueDisclosure100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

htlf:OtherInvestmentsFairValueDisclosure us-gaap:FairValueByFairValueHierarchyLevel

htlf:OtherInvestmentsFairValueDisclosure

us-gaap:FairValueInputsLevel2


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-31
Value35353129312728222121202115
Percentage of OtherInvestmentsFairValueDisclosure100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:FairValueInputsLevel3


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-31
Value0.00.00.00.00.00.00.00.00.1950.2350.2350.2350.251
Percentage of OtherInvestmentsFairValueDisclosure0.00.00.00.00.00.00.00.00.91.11.21.11.6

htlf:OtherInvestmentsFairValueDisclosure us-gaap:FairValueByMeasurementBasis

us-gaap:CarryingReportedAmountFairValueDisclosure


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-31
Value35353129312728222121202115
Percentage of OtherInvestmentsFairValueDisclosure100.0100.0100.0100.0100.0100.0100.0100.0100.9101.1101.2101.1101.6

us-gaap:EstimateOfFairValueFairValueDisclosure


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-31
Value35353129312728222121202115
Percentage of OtherInvestmentsFairValueDisclosure100.0100.0100.0100.0100.0100.0100.0100.0100.9101.1101.2101.1101.6

htlf:OtherRealEstateFairValueDisclosure us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:ValuationTechnique

htlf:OtherRealEstateFairValueDisclosure

us-gaap:FairValueInputsLevel3, htlf:ValuationTechniqueModifiedAppraisedValue


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312017-12-31
Value5.5396.0746.9146.4256.6465.3916.15310
Percentage of OtherRealEstateFairValueDisclosure100.0100.0100.0100.0100.0100.0100.0100.0

htlf:ShortTermBorrowingsFairValueDisclosure us-gaap:FairValueByFairValueHierarchyLevel

htlf:ShortTermBorrowingsFairValueDisclosure

us-gaap:FairValueInputsLevel2


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312017-12-312016-12-312015-12-312015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-30
Value88121182107107104227324306293477259330348420256408224339202224245249
Percentage of ShortTermBorrowingsFairValueDisclosure100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

htlf:ShortTermBorrowingsFairValueDisclosure us-gaap:FairValueByMeasurementBasis

us-gaap:CarryingReportedAmountFairValueDisclosure


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312017-12-312016-12-312015-12-312015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302012-12-31
Value88121182107107104227324306293477259330348420256408224224
Percentage of ShortTermBorrowingsFairValueDisclosure100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:EstimateOfFairValueFairValueDisclosure


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312017-12-312016-12-312015-12-312015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302012-12-31
Value88121182107107104227324306293477259330348420256408224224
Percentage of ShortTermBorrowingsFairValueDisclosure100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

htlf:TimeDepositsFairValueDisclosure us-gaap:FairValueByFairValueHierarchyLevel

htlf:TimeDepositsFairValueDisclosure

us-gaap:FairValueInputsLevel1


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312017-12-312017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-31
Value3.1283.5683.5643.7114.434.6754.6729.8230412.1052.1052.1052.3552.3552.3552.3552.6052.6052.6053.1053.3553.3553.6053.6053.6050.0
Percentage of TimeDepositsFairValueDisclosure100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0

htlf:TimeDepositsFairValueDisclosure us-gaap:FairValueByMeasurementBasis

us-gaap:CarryingReportedAmountFairValueDisclosure


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312017-12-312017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302012-12-31
Value3.1283.5683.5643.7114.434.6754.6729.8230412.1052.1052.1052.3552.3552.3552.3552.6052.6052.6053.1053.3553.3553.6050.0
Percentage of TimeDepositsFairValueDisclosure100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0

us-gaap:EstimateOfFairValueFairValueDisclosure


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312017-12-312017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302012-12-31
Value3.1283.5683.5643.7114.434.6754.6729.8230412.1052.1052.1052.3552.3552.3552.3552.6052.6052.6053.1053.3553.3553.6050.0
Percentage of TimeDepositsFairValueDisclosure100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0

us-gaap:AccountsPayableAndAccruedLiabilitiesCurrentAndNoncurrent

us-gaap:AccountsPayableAndAccruedLiabilitiesCurrentAndNoncurrent


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302010-12-31
Value17416912814913996788368556268485363767868686946516141493558444710412672906499363635
Percentage of AccountsPayableAndAccruedLiabilitiesCurrentAndNoncurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:AssetsFairValueDisclosure us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementFrequency

us-gaap:AssetsFairValueDisclosure

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
Value4.5478.5698.5037.49712202525189.4213.4843.5053.508100.5170.530.5350.5310.5190.5290.5230.532.5292.5362.5512.5555.8859.2475.0748.868131749107
Percentage of AssetsFairValueDisclosure100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

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
Value4174352833213035256323882431225821862024221720931789188618481658157016921577125513121347139413621405139416291384152915191498126912331160
Percentage of AssetsFairValueDisclosure91806.141176.139066.640486.720543.411674.79568.98903.411828.421492.363641.859729.051015.417973.4357619.1312963.4293486.5318724.3304005.8237310.2251028.5254261.955147.053731.755104.654569.927689.614972.430145.017135.111361.87167.82516.51079.7

us-gaap:FairValueInputsLevel3, 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
Value2.6532.4570.6810.971.0720.80.7251.5393.3951.9591.7382.4633.0113.7455.0148.1368.9269.066.0531112127.4438.1399.3097.3233.2984.9573.7494.174.343.9713.1343.243
Percentage of AssetsFairValueDisclosure58.328.78.012.98.63.92.96.118.420.849.970.385.835.7969.81535.11668.41706.21166.32178.32452.22395.8294.3320.9364.9286.656.053.673.947.032.922.46.43.0

us-gaap:AssetsFairValueDisclosure us-gaap:FairValueByMeasurementFrequency

us-gaap:FairValueMeasurementsRecurring


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302013-12-31
Value4181353933313043257724092457228522082036222220991796190018541667157917021584126713261360140413731638
Percentage of AssetsFairValueDisclosure91964.441304.839174.640599.620652.011778.69671.79009.511946.721613.163791.759899.351201.218109.1358689.0314598.5295255.0320530.5305272.1239588.5253580.7256757.755541.354152.727845.7

us-gaap:AssetsHeldForSaleNotPartOfDisposalGroup us-gaap:FairValueByAssetClass, us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementFrequency

us-gaap:AssetsHeldForSaleNotPartOfDisposalGroup

us-gaap:PropertyPlantAndEquipment, us-gaap:FairValueInputsLevel3, us-gaap:FairValueMeasurementsNonrecurring


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302014-12-31
Value567000.02967000.02967000.03251000.03701000.07030000.07258000.04422000.03978000.01477000.01977000.04428000.0580000.01242000.0414000.03634000.03889000.03889000.03889000.03440000.00
Percentage of AssetsHeldForSaleNotPartOfDisposalGroup100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0

us-gaap:AssetsHeldForSaleNotPartOfDisposalGroup us-gaap:FairValueByAssetClass, us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementFrequency, us-gaap:ValuationTechnique

us-gaap:PropertyPlantAndEquipment, us-gaap:FairValueInputsLevel3, us-gaap:FairValueMeasurementsRecurring, htlf:ValuationTechniqueModifiedAppraisedValue


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312017-12-31
Value567000.02967000.02967000.03251000.03701000.07030000.07258000.01977000.0
Percentage of AssetsHeldForSaleNotPartOfDisposalGroup100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:AssetsHeldForSaleNotPartOfDisposalGroup us-gaap:FairValueByAssetClass, us-gaap:FairValueByMeasurementBasis, us-gaap:FairValueByMeasurementFrequency

us-gaap:PropertyPlantAndEquipment, us-gaap:ChangeDuringPeriodFairValueDisclosure, us-gaap:FairValueMeasurementsNonrecurring


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302014-12-31
Value00735000.0954000.0954000.0059000.0-74000.035000.0-115000.0192000.0404000.0112000.0035000.0255000.000000
Percentage of AssetsHeldForSaleNotPartOfDisposalGroup0.00.024.829.325.80.00.8-1.70.9-7.89.79.119.30.08.57.00.00.00.00.00.0

us-gaap:AssetsHeldForSaleNotPartOfDisposalGroup us-gaap:FairValueByAssetClass, us-gaap:FairValueByMeasurementFrequency

us-gaap:PropertyPlantAndEquipment, us-gaap:FairValueMeasurementsNonrecurring


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302014-12-31
Value567000.02967000.02967000.03251000.03701000.07030000.07258000.04422000.03978000.01477000.01977000.04428000.0580000.01242000.0414000.03634000.03889000.03889000.03889000.03440000.00
Percentage of AssetsHeldForSaleNotPartOfDisposalGroup100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0

us-gaap:AssetsHeldForSaleNotPartOfDisposalGroupOther

us-gaap:AssetsHeldForSaleNotPartOfDisposalGroupOther


None
Period End2020-06-302020-03-312019-12-312018-12-31
Value567000.02967000.02967000.07258000.0
Percentage of AssetsHeldForSaleNotPartOfDisposalGroupOther100.0100.0100.0100.0

us-gaap:AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedGainBeforeTax

us-gaap:AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedGainBeforeTax


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302018-12-312018-09-302018-06-302018-03-31
Value95552942254.6621.582.6985.103
Percentage of AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedGainBeforeTax100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedGainBeforeTax us-gaap:FinancialInstrument

us-gaap:DebtSecurities


None
Period End2020-06-302019-12-312019-09-302019-06-302018-12-312018-09-30
Value952942254.6621.58
Percentage of AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedGainBeforeTax100.0100.0100.0100.0100.0100.0

us-gaap:MortgageBackedSecurities


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302018-12-312018-09-30
Value45251728173.741.341
Percentage of AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedGainBeforeTax47.846.257.867.068.280.284.9

us-gaap:USGovernmentCorporationsAndAgenciesSecurities


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302018-12-312018-09-30
Value0.0970.120.0490.050.0480.0030.0
Percentage of AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedGainBeforeTax0.10.20.20.10.20.10.0

us-gaap:USStatesAndPoliticalSubdivisions


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302018-12-312018-09-30
Value492912138.0970.9190.239
Percentage of AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedGainBeforeTax52.153.642.032.931.619.715.1

us-gaap:AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedLossBeforeTax

us-gaap:AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedLossBeforeTax


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302018-12-312018-09-302018-06-302018-03-31
Value448428141546706357
Percentage of AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedLossBeforeTax100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedLossBeforeTax us-gaap:FinancialInstrument

us-gaap:DebtSecurities


None
Period End2020-06-302019-12-312019-09-302019-06-302018-12-312018-09-30
Value442814154670
Percentage of AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedLossBeforeTax100.0100.0100.0100.0100.0100.0

us-gaap:MortgageBackedSecurities


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302018-12-312018-09-30
Value41791913153856
Percentage of AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedLossBeforeTax93.794.666.989.597.082.580.1

us-gaap:USGovernmentCorporationsAndAgenciesSecurities


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302018-12-312018-09-30
Value0.00.00.00.00.0870.1270.115
Percentage of AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedLossBeforeTax0.00.00.00.00.50.30.2

us-gaap:USStatesAndPoliticalSubdivisions


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302018-12-312018-09-30
Value2.8144.5319.3991.5580.3848.04613
Percentage of AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedLossBeforeTax6.35.433.110.52.417.319.8

us-gaap:AvailableForSaleDebtSecuritiesAmortizedCostBasis

us-gaap:AvailableForSaleDebtSecuritiesAmortizedCostBasis


None
Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-31
Value349832922993255224152475234222412248
Percentage of AvailableForSaleDebtSecuritiesAmortizedCostBasis100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:AvailableForSaleDebtSecuritiesAmortizedCostBasis us-gaap:FinancialInstrument

us-gaap:DebtSecurities


None
Period End2020-06-302019-12-312019-09-302019-06-302018-12-312018-09-30
Value405632922974253424752326
Percentage of AvailableForSaleDebtSecuritiesAmortizedCostBasis0.0100.099.499.3100.099.3

us-gaap:MortgageBackedSecurities


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302018-12-312018-09-30
Value3130257425792465219120611926
Percentage of AvailableForSaleDebtSecuritiesAmortizedCostBasis0.073.678.382.485.983.382.2

us-gaap:USGovernmentCorporationsAndAgenciesSecurities


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302018-12-312018-09-30
Value5.7459.7969.8448.9183227
Percentage of AvailableForSaleDebtSecuritiesAmortizedCostBasis0.00.30.30.30.71.31.2

us-gaap:USStatesAndPoliticalSubdivisions


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302018-12-312018-09-30
Value919915704500324382372
Percentage of AvailableForSaleDebtSecuritiesAmortizedCostBasis0.026.221.416.712.715.415.9

us-gaap:AvailableForSaleSecuritiesDebtSecurities

us-gaap:AvailableForSaleSecuritiesDebtSecurities


None
Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-31
Value347032943020256124002433227421802216
Percentage of AvailableForSaleSecuritiesDebtSecurities100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:AvailableForSaleSecuritiesDebtSecurities us-gaap:FairValueByFairValueHierarchyLevel

us-gaap:FairValueInputsLevel1


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302017-12-31
Value4.5478.5698.5037.497122025253.484
Percentage of AvailableForSaleSecuritiesDebtSecurities0.00.20.30.20.50.91.01.10.2

us-gaap:FairValueInputsLevel2


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302017-12-31
Value412134803304301325492380242522482213
Percentage of AvailableForSaleSecuritiesDebtSecurities0.0100.3100.399.899.599.199.798.999.8

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

us-gaap:FairValueInputsLevel1, us-gaap:FairValueMeasurementsRecurring, us-gaap:USGovernmentCorporationsAndAgenciesSecurities


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-30
Value4.5478.5698.5037.49712202525
Percentage of AvailableForSaleSecuritiesDebtSecurities0.00.20.30.20.50.91.01.1

us-gaap:FairValueInputsLevel2, us-gaap:FairValueMeasurementsRecurring, us-gaap:MortgageBackedSecurities


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-30
Value31342520257724802193187120261871
Percentage of AvailableForSaleSecuritiesDebtSecurities0.072.678.282.185.678.083.382.3

us-gaap:FairValueInputsLevel2, us-gaap:FairValueMeasurementsRecurring, us-gaap:USGovernmentCorporationsAndAgenciesSecurities


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-30
Value1.2951.3471.391.4536.1416.316.5371.63
Percentage of AvailableForSaleSecuritiesDebtSecurities0.00.00.00.00.20.30.30.1

us-gaap:FairValueInputsLevel2, us-gaap:FairValueMeasurementsRecurring, us-gaap:USStatesAndPoliticalSubdivisions


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-30
Value966940707512331484374358
Percentage of AvailableForSaleSecuritiesDebtSecurities0.027.121.517.013.020.215.415.8

us-gaap:AvailableForSaleSecuritiesDebtSecurities us-gaap:FairValueByMeasurementBasis

us-gaap:CarryingReportedAmountFairValueDisclosure


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302017-12-31
Value412634883312302025612400245022742216
Percentage of AvailableForSaleSecuritiesDebtSecurities0.0100.5100.6100.0100.0100.0100.7100.0100.0

us-gaap:EstimateOfFairValueFairValueDisclosure


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302017-12-31
Value412634883312302025612400245022742216
Percentage of AvailableForSaleSecuritiesDebtSecurities0.0100.5100.6100.0100.0100.0100.7100.0100.0

us-gaap:AvailableForSaleSecuritiesDebtSecurities us-gaap:FairValueByMeasurementFrequency, us-gaap:FinancialInstrument

us-gaap:FairValueMeasurementsRecurring, us-gaap:MortgageBackedSecurities


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-30
Value31342520257724802193187120261871
Percentage of AvailableForSaleSecuritiesDebtSecurities0.072.678.282.185.678.083.382.3

us-gaap:FairValueMeasurementsRecurring, us-gaap:USGovernmentCorporationsAndAgenciesSecurities


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-30
Value5.8429.9169.8938.9518263126
Percentage of AvailableForSaleSecuritiesDebtSecurities0.00.30.30.30.71.11.31.2

us-gaap:FairValueMeasurementsRecurring, us-gaap:USStatesAndPoliticalSubdivisions


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-30
Value966940707512331484374358
Percentage of AvailableForSaleSecuritiesDebtSecurities0.027.121.517.013.020.215.415.8

us-gaap:AvailableForSaleSecuritiesDebtSecurities us-gaap:FinancialInstrument

us-gaap:DebtSecurities


None
Period End2020-06-302019-12-312019-09-302019-06-302018-12-312018-09-30
Value410632943002254324332257
Percentage of AvailableForSaleSecuritiesDebtSecurities0.0100.099.499.3100.099.3

us-gaap:MortgageBackedSecurities


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302018-12-312018-09-302016-12-31
Value31342520257724802193202618710.483
Percentage of AvailableForSaleSecuritiesDebtSecurities0.072.678.282.185.683.382.30.0

us-gaap:USGovernmentCorporationsAndAgenciesSecurities


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302018-12-312018-09-30
Value5.8429.9169.8938.95183126
Percentage of AvailableForSaleSecuritiesDebtSecurities0.00.30.30.30.71.31.2

us-gaap:USStatesAndPoliticalSubdivisions


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302018-12-312018-09-30
Value966940707512331374358
Percentage of AvailableForSaleSecuritiesDebtSecurities0.027.121.517.013.015.415.8

us-gaap:BankOwnedLifeInsurance

us-gaap:BankOwnedLifeInsurance


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302010-12-31
Value17217217117117016316216215914314214212011711211211111011099969582828181817975757572727267666662
Percentage of BankOwnedLifeInsurance100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:BusinessAcquisitionSharePrice us-gaap:BusinessAcquisition

us-gaap:BusinessAcquisitionSharePrice

htlf:AIMBancsharesInc


None
Period End2020-02-11
Value685.0
Percentage of BusinessAcquisitionSharePrice100.0

us-gaap:CashAndCashEquivalentsFairValueDisclosure us-gaap:FairValueByFairValueHierarchyLevel

us-gaap:CashAndCashEquivalentsFairValueDisclosure

us-gaap:FairValueInputsLevel1


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-30
Value453239378447642492273437388266196251181173158202229133258911191117367102881251651127416819182
Percentage of CashAndCashEquivalentsFairValueDisclosure100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:CashAndCashEquivalentsFairValueDisclosure us-gaap:FairValueByMeasurementBasis

us-gaap:CarryingReportedAmountFairValueDisclosure


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302012-12-31
Value45323937844764249227343738826619625118117315820222913325891119111736710288125165168
Percentage of CashAndCashEquivalentsFairValueDisclosure100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:EstimateOfFairValueFairValueDisclosure


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302012-12-31
Value45323937844764249227343738826619625118117315820222913325891119111736710288125165168
Percentage of CashAndCashEquivalentsFairValueDisclosure100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:CashAndDueFromBanks

us-gaap:CashAndDueFromBanks


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302010-12-31
Value211175206243198174223196193143168180141129151196222124237761111046463988411816010568160185751441267914358
Percentage of CashAndDueFromBanks100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:CashSurrenderValueFairValueDisclosure us-gaap:FairValueByFairValueHierarchyLevel

us-gaap:CashSurrenderValueFairValueDisclosure

us-gaap:FairValueInputsLevel2


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312016-12-31
Value172172171171170163162162159143142112
Percentage of CashSurrenderValueFairValueDisclosure100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:CashSurrenderValueFairValueDisclosure us-gaap:FairValueByMeasurementBasis

us-gaap:CarryingReportedAmountFairValueDisclosure


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312016-12-31
Value172172171171170163162162159143142112
Percentage of CashSurrenderValueFairValueDisclosure100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:EstimateOfFairValueFairValueDisclosure


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
Value172172171171170163162162159143142112
Percentage of CashSurrenderValueFairValueDisclosure100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:CollateralAlreadyPostedAggregateFairValue

us-gaap:CollateralAlreadyPostedAggregateFairValue


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302011-12-31
Value4.63.91.92.21.80.540.00.00.00.01.22.23.11.82.27.67.67.75.37.03.05.25.33.85.24.05.46.26.46.46.78.97.76.3
Percentage of CollateralAlreadyPostedAggregateFairValue100.0100.0100.0100.0100.0100.00.00.00.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:CollateralAlreadyPostedAggregateFairValue us-gaap:CounterpartyName

htlf:Counterparties


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302012-12-31
Value0.00.00.00.00.00.00.772.01.50.860.00.00.00.00.00.00.00.00.0790.02.40.00.00.00.00.00.540.0155.80.0
Percentage of CollateralAlreadyPostedAggregateFairValue0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.01.50.080.00.00.00.00.00.010.00.290.60.0

us-gaap:CollateralAlreadyPostedAggregateFairValue us-gaap:CounterpartyName, us-gaap:DerivativeInstrumentRisk, us-gaap:DerivativeInstrumentsGainLossByHedgingRelationship

htlf:Counterparties, us-gaap:InterestRateSwap, htlf:BacktobackLoanSwaps


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-31
Value0.00.00.00.00.00.140.682.52.31.60.190.190.7680.7680.768
Percentage of CollateralAlreadyPostedAggregateFairValue0.00.00.00.00.025.90.00.00.00.015.88.624.842.734.9

us-gaap:CollateralAlreadyPostedAggregateFairValue us-gaap:CounterpartyName, us-gaap:HedgingDesignation

htlf:Counterparties, us-gaap:Nondesignated


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302018-12-312018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312015-12-31
Value0.00.00.00.00.00.00.0290.00.0290.0290.00.0082.90.0
Percentage of CollateralAlreadyPostedAggregateFairValue0.00.00.00.00.00.00.00.02.41.30.00.4131.80.0

us-gaap:CollateralAlreadyPostedAggregateFairValue us-gaap:DerivativeInstrumentRisk, us-gaap:DerivativeInstrumentsGainLossByHedgingRelationship

us-gaap:InterestRateSwap, htlf:BacktobackLoanSwaps


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-31
Value51482025137.22.00.8150.4750.4951.62.01.80.9971.83.62.30.780.0
Percentage of CollateralAlreadyPostedAggregateFairValue1121.71253.81063.21145.5750.01333.30.00.00.00.0133.390.958.155.481.847.430.310.10.0

us-gaap:InterestRateSwap, us-gaap:FairValueHedging


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-30
Value4.23.93.43.43.23.22.53.23.23.23.94.54.35.05.06.76.66.50.7840.4140.414
Percentage of CollateralAlreadyPostedAggregateFairValue91.3100.0178.9154.5177.8592.60.00.00.00.0325.0204.5138.7277.8227.388.286.884.414.85.913.8

us-gaap:CollateralAlreadyPostedAggregateFairValue us-gaap:HedgingDesignation

us-gaap:Nondesignated


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302015-12-31
Value0.00.00.00.00.00.00.0350.0350.0350.2030.020.3530.8380.030.7687681.70.0
Percentage of CollateralAlreadyPostedAggregateFairValue0.00.00.00.00.00.00.00.00.00.01.716.027.01.734.910105.322.40.0

us-gaap:DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPosition12MonthsOrLonger

us-gaap:DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPosition12MonthsOrLonger


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302017-12-31
Value39216824125749610631067812559
Percentage of DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPosition12MonthsOrLonger100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPosition12MonthsOrLonger us-gaap:FinancialInstrument

us-gaap:MortgageBackedSecurities


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302017-12-31
Value392168241255448926805668399
Percentage of DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPosition12MonthsOrLonger100.0100.0100.099.290.287.175.482.371.5

us-gaap:USGovernmentCorporationsAndAgenciesSecurities


None
Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302017-12-31
Value0.00.00.00.04.5414.5774.6050.0
Percentage of DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPosition12MonthsOrLonger0.00.00.00.00.40.40.60.0

us-gaap:USStatesAndPoliticalSubdivisions


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302017-12-31
Value0.00.00.02.13948132258139159
Percentage of DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPosition12MonthsOrLonger0.00.00.00.89.812.524.217.228.5

us-gaap:DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPosition12MonthsOrLongerAccumulatedLoss

us-gaap:DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPosition12MonthsOrLongerAccumulatedLoss


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302017-12-31
Value18144.8145.6091025374630
Percentage of DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPosition12MonthsOrLongerAccumulatedLoss100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPosition12MonthsOrLongerAccumulatedLoss us-gaap:FinancialInstrument

us-gaap:MortgageBackedSecurities


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302017-12-31
Value18144.8145.5761022293826
Percentage of DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPosition12MonthsOrLongerAccumulatedLoss100.0100.0100.099.496.590.079.281.986.6

us-gaap:USGovernmentCorporationsAndAgenciesSecurities


None
Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302017-12-31
Value0.00.00.00.00.020.0440.0760.0
Percentage of DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPosition12MonthsOrLongerAccumulatedLoss0.00.00.00.00.10.10.20.0

us-gaap:USStatesAndPoliticalSubdivisions


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302017-12-31
Value0.00.00.00.0330.3732.5457.6568.354.047
Percentage of DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPosition12MonthsOrLongerAccumulatedLoss0.00.00.00.63.510.020.718.013.4

us-gaap:DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPosition12MonthsOrLongerNumberOfPositions

us-gaap:DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPosition12MonthsOrLongerNumberOfPositions


None
Period End2020-06-302020-03-312019-12-31
Value19.044.058.0
Percentage of DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPosition12MonthsOrLongerNumberOfPositions100.0100.0100.0

us-gaap:DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPosition12MonthsOrLongerNumberOfPositions us-gaap:FinancialInstrument

us-gaap:MortgageBackedSecurities


None
Period End2020-06-302020-03-312019-12-31
Value19.044.058.0
Percentage of DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPosition12MonthsOrLongerNumberOfPositions100.0100.0100.0

us-gaap:DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12Months

us-gaap:DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12Months


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302017-12-31
Value11741457161910955602727931232948
Percentage of DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12Months100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12Months us-gaap:FinancialInstrument

us-gaap:MortgageBackedSecurities


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302017-12-31
Value1070125512319765442277331007851
Percentage of DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12Months91.186.176.189.297.283.592.581.789.7

us-gaap:USGovernmentCorporationsAndAgenciesSecurities


None
Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302017-12-31
Value0.00.00.04.6311824224.819
Percentage of DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12Months0.00.00.00.86.93.11.80.5

us-gaap:USStatesAndPoliticalSubdivisions


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302017-12-31
Value10420238711810263420393
Percentage of DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12Months8.913.923.910.82.09.64.416.59.8

us-gaap:DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12MonthsAccumulatedLoss

us-gaap:DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12MonthsAccumulatedLoss


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302017-12-31
Value2670239.2145.3632.2689.5332312
Percentage of DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12MonthsAccumulatedLoss100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12MonthsAccumulatedLoss us-gaap:FinancialInstrument

us-gaap:MortgageBackedSecurities


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302017-12-31
Value2365147.6895.2652.0759.061811
Percentage of DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12MonthsAccumulatedLoss89.393.560.283.498.291.595.076.694.2

us-gaap:USGovernmentCorporationsAndAgenciesSecurities


None
Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302017-12-31
Value0.00.00.00.0870.0950.0830.0390.038
Percentage of DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12MonthsAccumulatedLoss0.00.00.01.64.20.90.20.3

us-gaap:USStatesAndPoliticalSubdivisions


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302017-12-31
Value2.8144.5319.3991.5250.0110.0980.395.5520.667
Percentage of DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12MonthsAccumulatedLoss10.76.539.816.60.24.34.123.25.5

us-gaap:DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12MonthsNumberOfPositions

us-gaap:DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12MonthsNumberOfPositions


None
Period End2020-06-302020-03-312019-12-31
Value178.0158.0200.0
Percentage of DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12MonthsNumberOfPositions100.0100.0100.0

us-gaap:DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12MonthsNumberOfPositions us-gaap:FinancialInstrument

us-gaap:MortgageBackedSecurities


None
Period End2020-06-302020-03-312019-12-31
Value81.0129.0150.0
Percentage of DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12MonthsNumberOfPositions45.581.675.0

us-gaap:USStatesAndPoliticalSubdivisions


None
Period End2020-06-302020-03-312019-12-31
Value97.029.050.0
Percentage of DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12MonthsNumberOfPositions54.518.425.0

us-gaap:DebtSecuritiesAvailableForSaleUnrealizedLossPosition

us-gaap:DebtSecuritiesAvailableForSaleUnrealizedLossPosition


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302017-12-31
Value156616261860135310571336186120451508
Percentage of DebtSecuritiesAvailableForSaleUnrealizedLossPosition100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DebtSecuritiesAvailableForSaleUnrealizedLossPosition us-gaap:FinancialInstrument

us-gaap:MortgageBackedSecurities


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302017-12-31
Value14621423147212329921154153816751251
Percentage of DebtSecuritiesAvailableForSaleUnrealizedLossPosition93.487.679.291.193.986.482.781.983.0

us-gaap:USGovernmentCorporationsAndAgenciesSecurities


None
Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302017-12-31
Value0.00.00.04.6312329264.819
Percentage of DebtSecuritiesAvailableForSaleUnrealizedLossPosition0.00.00.00.41.71.61.30.3

us-gaap:USStatesAndPoliticalSubdivisions


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302017-12-31
Value10420238712059158293342252
Percentage of DebtSecuritiesAvailableForSaleUnrealizedLossPosition6.612.420.88.95.611.915.716.816.7

us-gaap:DebtSecuritiesAvailableForSaleUnrealizedLossPositionAccumulatedLoss

us-gaap:DebtSecuritiesAvailableForSaleUnrealizedLossPositionAccumulatedLoss


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302017-12-31
Value448428141527467042
Percentage of DebtSecuritiesAvailableForSaleUnrealizedLossPositionAccumulatedLoss100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DebtSecuritiesAvailableForSaleUnrealizedLossPositionAccumulatedLoss us-gaap:FinancialInstrument

us-gaap:MortgageBackedSecurities


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302017-12-31
Value417919131525385637
Percentage of DebtSecuritiesAvailableForSaleUnrealizedLossPositionAccumulatedLoss93.794.666.989.597.090.182.580.188.8

us-gaap:USGovernmentCorporationsAndAgenciesSecurities


None
Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302017-12-31
Value0.00.00.00.0870.1150.1270.1150.038
Percentage of DebtSecuritiesAvailableForSaleUnrealizedLossPositionAccumulatedLoss0.00.00.00.50.40.30.20.1

us-gaap:USStatesAndPoliticalSubdivisions


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302017-12-31
Value2.8144.5319.3991.5580.3842.6438.046134.714
Percentage of DebtSecuritiesAvailableForSaleUnrealizedLossPositionAccumulatedLoss6.35.433.110.52.49.517.319.811.1

us-gaap:DebtSecuritiesAvailableForSaleUnrealizedLossPositionNumberOfPositions

us-gaap:DebtSecuritiesAvailableForSaleUnrealizedLossPositionNumberOfPositions


None
Period End2020-06-302020-03-312019-12-31
Value197.0202.0258.0
Percentage of DebtSecuritiesAvailableForSaleUnrealizedLossPositionNumberOfPositions100.0100.0100.0

us-gaap:DebtSecuritiesAvailableForSaleUnrealizedLossPositionNumberOfPositions us-gaap:FinancialInstrument

us-gaap:MortgageBackedSecurities


None
Period End2020-06-302020-03-312019-12-31
Value100.0173.0208.0
Percentage of DebtSecuritiesAvailableForSaleUnrealizedLossPositionNumberOfPositions50.885.680.6

us-gaap:USStatesAndPoliticalSubdivisions


None
Period End2020-06-302020-03-312019-12-31
Value97.029.050.0
Percentage of DebtSecuritiesAvailableForSaleUnrealizedLossPositionNumberOfPositions49.214.419.4

us-gaap:DebtSecuritiesHeldToMaturityAllowanceForCreditLoss

us-gaap:DebtSecuritiesHeldToMaturityAllowanceForCreditLoss


None
Period End2020-06-302020-03-312019-12-31
Value62000.0197000.00
Percentage of DebtSecuritiesHeldToMaturityAllowanceForCreditLoss100.0100.00.0

us-gaap:DebtSecuritiesHeldToMaturityAllowanceForCreditLoss us-gaap:FinancialInstrument

us-gaap:USStatesAndPoliticalSubdivisions


None
Period End2020-06-302020-03-312019-12-31
Value62000.0197000.00
Percentage of DebtSecuritiesHeldToMaturityAllowanceForCreditLoss100.0100.00.0

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
Value1270811174110441046910108935293969512948985418146823169307089684769126837692464055507531752664768472646414663466639243841384238453503333432753210317330803034
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:Deposits dei:LegalEntity

htlf:AIMBancsharesInc


None
Period End2020-06-302020-03-312019-12-31
Value169015801540
Percentage of Deposits13.314.113.9

htlf:JohnsonBankBranches


None
Period End2020-06-09
Value415
Percentage of Deposits0.0

us-gaap:DepositsFairValueDisclosure us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FinancialInstrument

us-gaap:DepositsFairValueDisclosure

us-gaap:FairValueInputsLevel2, us-gaap:BankTimeDeposits


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-30
Value10671110119311171148108810231125122491092399487083085792099511421124938964887785852862885892807832848866815801
Percentage of DepositsFairValueDisclosure100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:FairValueInputsLevel2, us-gaap:DemandDeposits


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-30
Value48313696354335813426311832643427339930942983300923552319220222382149207919141632153615151295127412211195123810731029971974877799
Percentage of DepositsFairValueDisclosure452.6332.9297.0320.3298.4286.6318.9304.4277.6339.7323.0302.6270.7279.3256.9243.2215.9182.0170.3173.9159.3170.7164.9149.5141.6135.0138.7132.9123.7114.4112.4107.699.8

us-gaap:FairValueInputsLevel2, us-gaap:InterestBearingDeposits


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302014-12-31
Value681063666307577055335145510749584864453642404227370439403788375336913702336729362687
Percentage of DepositsFairValueDisclosure638.0573.3528.7516.2481.9472.9499.0440.4397.2497.9459.2425.0425.7474.5441.9407.7370.7324.1299.5312.9342.2

us-gaap:DepositsFairValueDisclosure us-gaap:FairValueByMeasurementBasis, us-gaap:FinancialInstrument

us-gaap:CarryingReportedAmountFairValueDisclosure, us-gaap:BankTimeDeposits


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302012-12-31
Value10671110119311171148100810231125122491092399487083085792099511421124938964887785852862885892807866
Percentage of DepositsFairValueDisclosure100.0100.0100.0100.0100.092.6100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:CarryingReportedAmountFairValueDisclosure, us-gaap:DemandDeposits


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302012-12-31
Value4831369635433581342631183264342733993094298330092355231922022238214920791914163215361515129512741221119512381073974
Percentage of DepositsFairValueDisclosure452.6332.9297.0320.3298.4286.6318.9304.4277.6339.7323.0302.6270.7279.3256.9243.2215.9182.0170.3173.9159.3170.7164.9149.5141.6135.0138.7132.9112.4

us-gaap:CarryingReportedAmountFairValueDisclosure, us-gaap:InterestBearingDeposits


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302014-12-31
Value681063666307577055335145510749584864453642404227370439403788375336913702336729362687
Percentage of DepositsFairValueDisclosure638.0573.3528.7516.2481.9472.9499.0440.4397.2497.9459.2425.0425.7474.5441.9407.7370.7324.1299.5312.9342.2

us-gaap:EstimateOfFairValueFairValueDisclosure, us-gaap:BankTimeDeposits


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302012-12-31
Value10671110119311171148108810231125122491092399487083085792099511421124938964887785852862885892807866
Percentage of DepositsFairValueDisclosure100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:EstimateOfFairValueFairValueDisclosure, us-gaap:DemandDeposits


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302012-12-31
Value4831369635433581342631183264342733993094298330092355231922022238214920791914163215361515129512741221119512381073974
Percentage of DepositsFairValueDisclosure452.6332.9297.0320.3298.4286.6318.9304.4277.6339.7323.0302.6270.7279.3256.9243.2215.9182.0170.3173.9159.3170.7164.9149.5141.6135.0138.7132.9112.4

us-gaap:EstimateOfFairValueFairValueDisclosure, us-gaap:InterestBearingDeposits


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302014-12-31
Value681063666307577055335145510749584864453642404227370439403788375336913702336729362687
Percentage of DepositsFairValueDisclosure638.0573.3528.7516.2481.9472.9499.0440.4397.2497.9459.2425.0425.7474.5441.9407.7370.7324.1299.5312.9342.2

us-gaap:DepositsSavingsDeposits

us-gaap:DepositsSavingsDeposits


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302010-12-31
Value68106366630757705533514551074958486445364240422737043940378837533691370233672936281628632687259925562582253520431978202220041809173417311678165415571558
Percentage of DepositsSavingsDeposits100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DerivativeAmountOfHedgedItem us-gaap:CounterpartyName, us-gaap:DerivativeInstrumentRisk, us-gaap:DerivativeInstrumentsGainLossByHedgingRelationship

us-gaap:DerivativeAmountOfHedgedItem

htlf:HeartlandFinancialStatutoryTrustIVVandVII, us-gaap:InterestRateSwap, us-gaap:CashFlowHedging


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-30
Value85858585858585858565656565656565
Percentage of DerivativeAmountOfHedgedItem100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DerivativeAmountOfHedgedItem us-gaap:DerivativeInstrumentRisk, us-gaap:DerivativeInstrumentsGainLossByHedgingRelationship

us-gaap:InterestRateSwap, us-gaap:CashFlowHedging


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-05-182018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-30
Value1051051051051051051051051059.085858585858585
Percentage of DerivativeAmountOfHedgedItem123.5123.5123.5123.5123.5123.5123.5123.5123.50.0130.8130.8130.8130.8130.8130.8130.8

us-gaap:DerivativeAssetMeasurementInput us-gaap:CounterpartyName, us-gaap:Range, us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FinancialInstrument, us-gaap:MeasurementInputType

us-gaap:DerivativeAssetMeasurementInput

htlf:PrimeWestMortgageCorporation, srt:WeightedAverage, us-gaap:FairValueInputsLevel3, us-gaap:InterestRateLockCommitments, htlf:MeasurementInputClosingRatio


None
Period End2020-03-312019-09-302019-06-302019-03-31
Value0.880.90.90.89
Percentage of DerivativeAssetMeasurementInput100.0100.0100.0100.0

us-gaap:DerivativeAssetMeasurementInput us-gaap:Range, us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FinancialInstrument, us-gaap:MeasurementInputType, us-gaap:ValuationTechnique

srt:WeightedAverage, us-gaap:FairValueInputsLevel3, us-gaap:InterestRateLockCommitments, htlf:MeasurementInputClosingRatio, us-gaap:ValuationTechniqueDiscountedCashFlow


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312017-12-31
Value0.880.880.90.90.90.890.910.89
Percentage of DerivativeAssetMeasurementInput0.0100.00.0100.0100.0100.00.00.0

us-gaap:DerivativeAssetNotionalAmount us-gaap:BalanceSheetLocation, us-gaap:DerivativeInstrumentRisk, us-gaap:HedgingDesignation

us-gaap:DerivativeAssetNotionalAmount

us-gaap:OtherAssets, us-gaap:ForwardContracts, us-gaap:Nondesignated


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302012-12-31
Value3.05.016185.01.00.08247553775103481421125561118117301115881147910811769168
Percentage of DerivativeAssetNotionalAmount100.0100.0100.0100.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OtherAssets, us-gaap:InterestRateLockCommitments, us-gaap:Nondesignated


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302012-12-31
Value64702029322522529965537792928013914215399126197208741031219263104267
Percentage of DerivativeAssetNotionalAmount2150.01401.0127.2165.6640.32531.80.063.8211.4119.0143.7103.689.4191.256.4124.2258.4250.984.2107.765.6181.184.690.4153.585.553.9150.6158.3

us-gaap:DerivativeAssets us-gaap:BalanceSheetLocation, us-gaap:DerivativeInstrumentRisk

us-gaap:DerivativeAssets

us-gaap:OtherAssets, us-gaap:EmbeddedDerivativeFinancialInstruments


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302018-12-31
Value0.8270.8260.4650.7170.00.453
Percentage of DerivativeAssets100.0100.0100.0100.00.0100.0

us-gaap:DerivativeAssets us-gaap:DerivativeInstrumentRisk, us-gaap:FairValueByFairValueHierarchyLevel

us-gaap:ForwardContracts, us-gaap:FairValueInputsLevel2


None
Period End2020-06-302020-03-312019-09-302019-06-302018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-31
Value0.030.030.0640.0020.3530.1530.2830.080.2370.3230.1762.5460.2090.4690.3430.5230.8332.8340.4040.2750.2220.3470.2381.206
Percentage of DerivativeAssets3.63.68.90.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:DerivativeAssets us-gaap:DerivativeInstrumentRisk, us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementFrequency

us-gaap:ForwardContracts, us-gaap:FairValueInputsLevel2, us-gaap:FairValueMeasurementsRecurring


None
Period End2020-03-312019-09-302019-06-302018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-31
Value0.030.0640.0020.3530.1530.2830.080.2370.3230.1762.5460.2090.4690.3430.5230.8332.8340.4040.2750.2220.3470.2381.206
Percentage of DerivativeAssets3.68.90.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:InterestRateLockCommitments, us-gaap:FairValueInputsLevel3, us-gaap:FairValueMeasurementsRecurring


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-31
Value2.6532.4570.6810.971.0720.80.7251.5393.3951.9591.7382.4633.0113.7452.796.2396.8646.9563.1684.9036.5586.8752.4963.2914.4222.9931.809
Percentage of DerivativeAssets320.8297.5146.5135.30.00.0160.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:InterestRateSwap, us-gaap:FairValueInputsLevel2, us-gaap:FairValueMeasurementsRecurring


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-06-302015-03-312014-09-302014-06-302014-03-31
Value52481722148.4036.5399.3278.0486.2653.9333.3863.3643.2783.2225.2285.6894.2022.2371.1360.00.0960.00.152
Percentage of DerivativeAssets6362.55847.73769.23089.50.00.01443.50.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:DerivativeAssets us-gaap:DerivativeInstrumentRisk, us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:ValuationTechnique

us-gaap:InterestRateLockCommitments, us-gaap:FairValueInputsLevel3, us-gaap:ValuationTechniqueDiscountedCashFlow


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-31
Value2.6532.4570.6810.971.0720.80.725
Percentage of DerivativeAssets320.8297.5146.5135.30.00.0160.0

us-gaap:DerivativeAssets us-gaap:DerivativeInstrumentRisk, us-gaap:FairValueByMeasurementBasis

us-gaap:ForwardContracts, us-gaap:CarryingReportedAmountFairValueDisclosure


None
Period End2020-06-302020-03-312019-09-302019-06-302018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-31
Value0.030.030.0640.0020.3530.1530.2830.080.2370.3230.1762.5460.2090.4690.3430.5230.8332.8340.4040.2750.2220.3470.2381.206
Percentage of DerivativeAssets3.63.68.90.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:ForwardContracts, us-gaap:EstimateOfFairValueFairValueDisclosure


None
Period End2020-06-302020-03-312019-09-302019-06-302018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302013-12-31
Value0.030.030.0640.0020.3530.1530.2830.080.2370.3230.1762.5460.2090.4690.3430.5230.8332.8340.4040.2750.2221.206
Percentage of DerivativeAssets3.63.68.90.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:DerivativeAssets us-gaap:DerivativeInstrumentRisk, us-gaap:FairValueByMeasurementFrequency

us-gaap:ForwardContracts, us-gaap:FairValueMeasurementsRecurring


None
Period End2020-03-312019-09-302019-06-302018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302013-12-31
Value0.030.0640.0020.3530.1530.2830.080.2370.3230.1762.5460.2090.4690.3430.5230.8332.8340.4040.2750.2221.206
Percentage of DerivativeAssets3.68.90.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:InterestRateLockCommitments, us-gaap:FairValueMeasurementsRecurring


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302013-12-31
Value2.6532.4570.6810.971.0720.80.7251.5393.3951.9591.7382.4633.0113.7452.796.2396.8646.9563.1684.9036.5586.8752.4963.2911.809
Percentage of DerivativeAssets320.8297.5146.5135.30.00.0160.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:InterestRateSwap, us-gaap:FairValueMeasurementsRecurring


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-06-302015-03-312014-09-30
Value52481722148.4036.5399.3278.0486.2653.9333.3863.3643.2783.2225.2285.6894.2022.2371.1360.00.096
Percentage of DerivativeAssets6362.55847.73769.23089.50.00.01443.50.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:DerivativeAssets us-gaap:FairValueByFairValueHierarchyLevel

us-gaap:FairValueInputsLevel2


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-31
Value52481722148.4036.5399.1268.0486.2653.9333.3863.3643.2783.2225.2285.6894.2022.2371.1360.00.00.0960.00.1520.0
Percentage of DerivativeAssets6362.55847.73769.23089.50.00.01443.50.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:DerivativeAssets us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FinancialInstrument

us-gaap:FairValueInputsLevel3, us-gaap:InterestRateLockCommitments


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302017-12-312016-12-312015-12-312014-12-312013-12-31
Value2.6532.4570.6810.971.0720.80.7251.5391.7382.793.1682.4961.809
Percentage of DerivativeAssets320.8297.5146.5135.30.00.0160.00.00.00.00.00.00.0

us-gaap:DerivativeAssets us-gaap:FairValueByMeasurementBasis

us-gaap:CarryingReportedAmountFairValueDisclosure


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-31
Value52481722148.4036.5399.1268.0486.2653.9333.3863.3643.2783.2225.2285.6894.2022.2371.1360.00.00.0960.00.1520.0
Percentage of DerivativeAssets6362.55847.73769.23089.50.00.01443.50.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:EstimateOfFairValueFairValueDisclosure


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-31
Value52481722148.4036.5399.1268.0486.2653.9333.3863.3643.2783.2225.2285.6894.2022.2371.1360.00.00.0960.00.1520.0
Percentage of DerivativeAssets6362.55847.73769.23089.50.00.01443.50.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:DerivativeAssets us-gaap:FairValueByMeasurementBasis, us-gaap:FinancialInstrument

us-gaap:CarryingReportedAmountFairValueDisclosure, us-gaap:InterestRateLockCommitments


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-31
Value2.6532.4570.6810.971.0720.80.7251.7382.793.1682.4961.809
Percentage of DerivativeAssets320.8297.5146.5135.30.00.0160.00.00.00.00.00.0

us-gaap:EstimateOfFairValueFairValueDisclosure, us-gaap:InterestRateLockCommitments


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-31
Value2.6532.4570.6810.971.0720.80.7251.7382.793.1682.4961.809
Percentage of DerivativeAssets320.8297.5146.5135.30.00.0160.00.00.00.00.00.0

us-gaap:DerivativeAverageVariableInterestRate us-gaap:BalanceSheetLocation, us-gaap:DerivativeInstrumentRisk, us-gaap:Position

us-gaap:DerivativeAverageVariableInterestRate

us-gaap:OtherAssets, htlf:BacktobackLoanSwaps, us-gaap:Long


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
Value0.04470.04580.04680.04720.05160.05150.0510.05070.04880.04820.0470.0466
Percentage of DerivativeAverageVariableInterestRate100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OtherAssets, htlf:BacktobackLoanSwaps, us-gaap:Short


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
Value0.02530.03710.04050.04320.04770.05050.04960.04680.03980.04730.04030.0347
Percentage of DerivativeAverageVariableInterestRate56.681.086.591.592.498.197.392.381.698.185.774.5

us-gaap:OtherLiabilities, htlf:BacktobackLoanSwaps, us-gaap:Long


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
Value0.02530.03710.04050.04320.04770.05050.04960.04680.03980.04730.04030.0347
Percentage of DerivativeAverageVariableInterestRate56.681.086.591.592.498.197.392.381.698.185.774.5

us-gaap:OtherLiabilities, htlf:BacktobackLoanSwaps, us-gaap:Short


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
Value0.04470.04580.04680.04720.05160.05150.0510.05070.04880.04820.0470.0466
Percentage of DerivativeAverageVariableInterestRate100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DerivativeInstrumentsNotDesignatedAsHedgingInstrumentsAssetAtFairValue us-gaap:BalanceSheetLocation, us-gaap:DerivativeInstrumentRisk, us-gaap:HedgingDesignation

us-gaap:DerivativeInstrumentsNotDesignatedAsHedgingInstrumentsAssetAtFairValue

us-gaap:OtherAssets, us-gaap:ForwardContracts, us-gaap:Nondesignated


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302011-12-31
Value0.00.030.0150.0640.0020.00.00.3530.1530.2830.080.2370.3230.1762.5460.2090.4690.3430.5230.8332.8340.4040.2750.2220.3470.2381.2061.271120.6360.4621.6720.214-0.869
Percentage of DerivativeInstrumentsNotDesignatedAsHedgingInstrumentsAssetAtFairValue0.0100.0100.0100.0100.00.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OtherAssets, us-gaap:InterestRateLockCommitments, us-gaap:Nondesignated


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302011-12-31
Value2.6532.4570.6810.971.0720.80.7251.5393.3951.9591.7382.4633.0113.7452.796.2396.8646.9563.1684.9036.5586.8752.4963.2914.4222.9931.8094.6012.9136.6839.35313113.697
Percentage of DerivativeInstrumentsNotDesignatedAsHedgingInstrumentsAssetAtFairValue0.08190.04540.01515.653600.00.00.0436.02219.0692.22172.51039.2932.22127.8109.62985.21463.52028.0605.7588.6231.41701.7907.61482.41274.41257.6150.0362.024.11050.82024.5788.95145.3-425.4

us-gaap:DerivativeInstrumentsNotDesignatedAsHedgingInstrumentsLiabilityAtFairValue us-gaap:BalanceSheetLocation, us-gaap:DerivativeInstrumentRisk, us-gaap:HedgingDesignation

us-gaap:DerivativeInstrumentsNotDesignatedAsHedgingInstrumentsLiabilityAtFairValue

us-gaap:OtherLiabilities, us-gaap:ForwardContracts, us-gaap:Nondesignated


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-31
Value281000.01273000.0113000.0209000.0430000.0282000.0399000.069000.0597000.0320000.0232000.0261000.0418000.0634000.0266000.01312000.02502000.01623000.0315000.02841000.0603000.01873000.01619000.0623000.02253000.0307000.0133000.03320000.02709000.01024000.01221000.0
Percentage of DerivativeInstrumentsNotDesignatedAsHedgingInstrumentsLiabilityAtFairValue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OtherLiabilities, us-gaap:InterestRateContract, us-gaap:Nondesignated


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-31
Value827000.0826000.0465000.0717000.0672000.0507000.0453000.0215000.0323000.0461000.0738000.0923000.0989000.0987000.01126000.01944000.02213000.02159000.03677000.0
Percentage of DerivativeInstrumentsNotDesignatedAsHedgingInstrumentsLiabilityAtFairValue294.364.9411.5343.1156.3179.8113.5311.654.1144.1318.1353.6236.6155.7423.3148.288.4133.01167.3

us-gaap:DerivativeLiabilities us-gaap:DerivativeInstrumentRisk, us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementFrequency

us-gaap:DerivativeLiabilities

us-gaap:ForwardContracts, us-gaap:FairValueInputsLevel2, us-gaap:FairValueMeasurementsRecurring


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-31
Value0.2811.2730.1130.2090.430.2820.3990.0690.5970.320.2320.2610.4180.6340.2661.3122.5021.6230.3152.8410.6031.8731.6190.6232.2530.3070.133
Percentage of DerivativeLiabilities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:InterestRateSwap, us-gaap:FairValueInputsLevel2, us-gaap:FairValueMeasurementsRecurring


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-31
Value6257212719106.0445.945.2154.7095.1676.3096.8346.2377.0271619158.4014.9823.6074.5363.6463.1113.9083.4673.697
Percentage of DerivativeLiabilities22131.34538.618992.913147.84507.73850.41514.88608.7873.51471.62227.22417.21634.9983.82641.71265.7765.3945.62667.0175.4598.2242.2225.2499.4173.51129.32779.7

us-gaap:DerivativeLiabilities us-gaap:DerivativeInstrumentRisk, us-gaap:FairValueByMeasurementFrequency

us-gaap:ForwardContracts, us-gaap:FairValueMeasurementsRecurring


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302013-12-31
Value0.2811.2730.1130.2090.430.2820.3990.0690.5970.320.2320.2610.4180.6340.2661.3122.5021.6230.3152.8410.6031.8731.6190.6230.133
Percentage of DerivativeLiabilities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:InterestRateSwap, us-gaap:FairValueMeasurementsRecurring


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302013-12-31
Value6257212719106.0445.945.2154.7095.1676.3096.8346.2377.0271619158.4014.9823.6074.5363.6463.1113.697
Percentage of DerivativeLiabilities22131.34538.618992.913147.84507.73850.41514.88608.7873.51471.62227.22417.21634.9983.82641.71265.7765.3945.62667.0175.4598.2242.2225.2499.42779.7

us-gaap:DerivativeLiabilities us-gaap:FairValueByFairValueHierarchyLevel

us-gaap:FairValueInputsLevel2


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302012-12-31
Value6257212719106.0445.945.2154.7095.1676.3096.8346.2377.0271619158.4014.9823.6074.5363.6463.1113.9083.4673.837.667.846
Percentage of DerivativeLiabilities22131.34538.618992.913147.84507.73850.41514.88608.7873.51471.62227.22417.21634.9983.82641.71265.7765.3945.62667.0175.4598.2242.2225.2499.4173.51129.32879.70.00.0

us-gaap:DerivativeLiabilities us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FinancialInstrument

us-gaap:FairValueInputsLevel2, us-gaap:ForwardContracts


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-31
Value0.2811.2730.1130.2090.430.2820.3990.2320.2660.3151.6190.133
Percentage of DerivativeLiabilities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DerivativeLiabilities us-gaap:FairValueByMeasurementBasis

us-gaap:CarryingReportedAmountFairValueDisclosure


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302012-12-31
Value6257212719106.0445.7395.2154.7095.1676.3096.8346.2377.0271619158.4014.9823.6074.5363.6463.1113.9083.4673.837.667.846
Percentage of DerivativeLiabilities22131.34538.618992.913147.84507.73850.41514.88317.4873.51471.62227.22417.21634.9983.82641.71265.7765.3945.62667.0175.4598.2242.2225.2499.4173.51129.32879.70.00.0

us-gaap:EstimateOfFairValueFairValueDisclosure


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302012-12-31
Value6257212719106.0445.945.2154.7095.1676.3096.8346.2377.0271619158.4014.9823.6074.5363.6463.1113.9083.4673.837.667.846
Percentage of DerivativeLiabilities22131.34538.618992.913147.84507.73850.41514.88608.7873.51471.62227.22417.21634.9983.82641.71265.7765.3945.62667.0175.4598.2242.2225.2499.4173.51129.32879.70.00.0

us-gaap:DerivativeLiabilities us-gaap:FairValueByMeasurementBasis, us-gaap:FinancialInstrument

us-gaap:CarryingReportedAmountFairValueDisclosure, us-gaap:ForwardContracts


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-31
Value0.2811.2730.1130.2090.430.2820.3990.2320.2660.3151.6190.133
Percentage of DerivativeLiabilities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:EstimateOfFairValueFairValueDisclosure, us-gaap:ForwardContracts


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-31
Value0.2811.2730.1130.2090.430.2820.3990.2320.2660.3151.6190.133
Percentage of DerivativeLiabilities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DerivativeLiabilityNotionalAmount us-gaap:BalanceSheetLocation, us-gaap:DerivativeInstrumentRisk

us-gaap:DerivativeLiabilityNotionalAmount

us-gaap:OtherLiabilities, htlf:InterestRateSwapDueJuly242028


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-30
Value2425252627282829
Percentage of DerivativeLiabilityNotionalAmount100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OtherLiabilities, htlf:InterestRateSwapdueMay102021


None
Period End2020-06-302020-03-312016-09-30
Value232438
Percentage of DerivativeLiabilityNotionalAmount97.698.70.0

us-gaap:DerivativeLiabilityNotionalAmount us-gaap:BalanceSheetLocation, us-gaap:DerivativeInstrumentRisk, us-gaap:HedgingDesignation

us-gaap:OtherLiabilities, us-gaap:ForwardContracts, us-gaap:Nondesignated


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302012-12-31
Value51643648654651331489111891101123592852472581363091603312181792299853185351
Percentage of DerivativeLiabilityNotionalAmount212.4258.0141.7183.0238.5164.3179.1113.60.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:OtherLiabilities, us-gaap:InterestRateContract, us-gaap:Nondesignated


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-31
Value9.4169.5229.62711119.78511131313141414141522222350
Percentage of DerivativeLiabilityNotionalAmount38.838.137.444.343.634.939.246.20.00.00.00.00.00.00.00.00.00.00.0

us-gaap:DerivativeNotionalAmount us-gaap:BalanceSheetLocation, us-gaap:DerivativeInstrumentRisk

us-gaap:DerivativeNotionalAmount

us-gaap:OtherAssets, htlf:BacktobackLoanSwaps


None
Period End2020-06-302020-03-312019-12-312019-09-302018-12-31
Value447415374320211
Percentage of DerivativeNotionalAmount100.0100.0100.0100.0100.0

us-gaap:OtherAssets, us-gaap:EmbeddedDerivativeFinancialInstruments


None
Period End2020-06-302020-03-312019-12-312019-09-302018-12-31
Value9.4169.5229.6271111
Percentage of DerivativeNotionalAmount2.12.32.63.75.3

us-gaap:OtherLiabilities, htlf:BacktobackLoanSwaps


None
Period End2020-06-302020-03-312019-12-312019-09-302018-12-31
Value447415374320211
Percentage of DerivativeNotionalAmount100.0100.0100.0100.0100.0

us-gaap:OtherLiabilities, us-gaap:FairValueHedging


None
Period End2020-06-302020-03-312019-12-312019-09-302018-12-31
Value2121212115
Percentage of DerivativeNotionalAmount4.75.15.76.77.1

us-gaap:EquitySecuritiesFvNiCost

us-gaap:EquitySecuritiesFvNiCost


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302018-12-312018-09-30
Value19181818181716
Percentage of EquitySecuritiesFvNiCost100.0100.0100.0100.0100.0100.0100.0

us-gaap:EscrowDeposit us-gaap:BusinessAcquisition

us-gaap:EscrowDeposit

htlf:FirstBankTrust


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-31
Value128.25.016128.75.9
Percentage of EscrowDeposit100.0100.0100.0100.0100.0100.0100.0

us-gaap:FairValueHedgeLiabilitiesAtFairValue us-gaap:BalanceSheetLocation, us-gaap:DerivativeInstrumentRisk

us-gaap:FairValueHedgeLiabilitiesAtFairValue

us-gaap:OtherLiabilities, us-gaap:FairValueHedging


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302015-12-31
Value2926000.02930000.01253000.01818000.01555000.0900000.0339000.0201000.0105000.0999000.01537000.01474000.01432000.01626000.04467000.04681000.0621000.0
Percentage of FairValueHedgeLiabilitiesAtFairValue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetValue us-gaap:DerivativeInstrumentRisk

us-gaap:FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetValue

us-gaap:InterestRateLockCommitments


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312012-12-31
Value2653000.02457000.0681000.0970000.01072000.0800000.0725000.01539000.03395000.01959000.01738000.02463000.03011000.03745000.02790000.06239000.06864000.06956000.03168000.04903000.06558000.06875000.02496000.03291000.04422000.02993000.01809000.09353000.0
Percentage of FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetValue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:FederalHomeLoanBankStock

us-gaap:FederalHomeLoanBankStock


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312012-12-312011-12-31
Value2020161414151615151414141414141415151413141214141412151114
Percentage of FederalHomeLoanBankStock100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:FinancingReceivableAfterDeferredIncomeOffset

us-gaap:FinancingReceivableAfterDeferredIncomeOffset


None
Period End2020-06-302020-03-312019-12-31
Value924683748367
Percentage of FinancingReceivableAfterDeferredIncomeOffset100.0100.0100.0

us-gaap:FinancingReceivableAllowanceForCreditLosses

us-gaap:FinancingReceivableAllowanceForCreditLosses


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value119977066636261616158555454545454514948474541414140384141373738404139364440434241
Percentage of FinancingReceivableAllowanceForCreditLosses100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:FinancingReceivableAllowanceForCreditLosses us-gaap:FinancingReceivablePortfolioSegment

htlf:AgriculturalPortfolioSegment


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302014-12-31
Value5.7014.7975.6175.3516.0495.5984.9534.5665.7094.7164.2586.1273.8323.9834.215.0064.14.0283.8873.9393.6763.295
Percentage of FinancingReceivableAllowanceForCreditLosses4.84.98.08.19.58.98.07.59.38.07.611.27.17.27.79.27.98.18.08.48.17.9

us-gaap:ConsumerPortfolioSegment


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302014-12-31
Value109.7574.8534.7634.8474.8285.1829.0469.3228.9359.1568.9828.9278.8568.7677.0937.0986.997.2377.3247.1676.606
Percentage of FinancingReceivableAllowanceForCreditLosses8.510.06.97.27.67.78.414.815.215.216.416.416.516.116.113.013.714.114.915.515.715.9

us-gaap:ResidentialPortfolioSegment


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302014-12-31
Value9.3048.7251.4381.4421.5721.6051.7851.851.8572.1412.2242.2662.2632.1832.2631.9822.0651.8511.9343.8464.0993.741
Percentage of FinancingReceivableAllowanceForCreditLosses7.89.02.02.22.52.62.93.03.03.74.04.14.24.04.23.64.03.74.08.29.09.0

us-gaap:FinancingReceivableAllowanceForCreditLosses us-gaap:FinancingReceivablePortfolioSegment, us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable

us-gaap:CommercialPortfolioSegment, htlf:NonOwnerOccupiedCommercialRealEstate


None
Period End2020-06-302020-03-312019-12-312019-06-302019-03-312018-12-31
Value108.3217.8027.4827.1267.43
Percentage of FinancingReceivableAllowanceForCreditLosses8.58.511.111.711.412.0

us-gaap:CommercialPortfolioSegment, htlf:OwnerOccupiedCommercialRealEstate


None
Period End2020-06-302020-03-312019-12-312019-06-302019-03-312018-12-31
Value23108.2146.1826.336.525
Percentage of FinancingReceivableAllowanceForCreditLosses19.510.611.79.710.110.5

us-gaap:CommercialPortfolioSegment, us-gaap:CommercialLoan


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302014-12-31
Value32322725242324222019181617161416151616131311
Percentage of FinancingReceivableAllowanceForCreditLosses27.133.339.438.237.738.039.536.033.833.132.530.931.829.427.230.930.032.933.129.528.628.7

us-gaap:CommercialPortfolioSegment, us-gaap:RealEstateLoan


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302014-12-31
Value28223029272625232323212021232423222019181715
Percentage of FinancingReceivableAllowanceForCreditLosses23.923.643.744.442.842.841.238.738.740.039.437.440.443.344.843.344.441.240.138.438.638.4

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
Value101916258555454555453504747484747454545444239383837353434323334333331
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

htlf:AgriculturalPortfolioSegment


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302015-12-31
Value3.6153.8114.7014.2674.4924.4994.2674.3064.0613.9293.7123.7743.6893.9423.3944.0393.887
Percentage of FinancingReceivableAllowanceForCreditLossesCollectivelyEvaluatedForImpairment3.64.27.67.38.18.37.87.87.47.47.37.97.88.17.18.68.5

us-gaap:ConsumerPortfolioSegment


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302015-12-31
Value9.8539.6434.4034.2884.3014.1754.4337.9617.8777.7987.7567.7157.727.4597.3165.7296.031
Percentage of FinancingReceivableAllowanceForCreditLossesCollectivelyEvaluatedForImpairment9.710.67.17.47.87.78.114.414.414.715.216.116.415.315.412.213.1

us-gaap:ResidentialPortfolioSegment


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302015-12-31
Value9.0648.3121.3281.3191.3751.4521.6171.5711.5471.7551.7941.8731.8471.6871.7661.5091.541
Percentage of FinancingReceivableAllowanceForCreditLossesCollectivelyEvaluatedForImpairment8.99.12.12.32.52.73.02.82.83.33.53.93.93.53.73.23.4

us-gaap:FinancingReceivableAllowanceForCreditLossesCollectivelyEvaluatedForImpairment us-gaap:FinancingReceivablePortfolioSegment, us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable

us-gaap:CommercialPortfolioSegment, htlf:NonOwnerOccupiedCommercialRealEstate


None
Period End2020-06-302020-03-312019-12-31
Value108.2927.769
Percentage of FinancingReceivableAllowanceForCreditLossesCollectivelyEvaluatedForImpairment10.09.112.5

us-gaap:CommercialPortfolioSegment, htlf:OwnerOccupiedCommercialRealEstate


None
Period End2020-06-302020-03-312019-12-31
Value9.9569.2827.863
Percentage of FinancingReceivableAllowanceForCreditLossesCollectivelyEvaluatedForImpairment9.810.212.6

us-gaap:CommercialPortfolioSegment, htlf:PaycheckProtectionProgramLoans