SBCF


Line plots across dimensions of each concept
Tables

Table of contents


us-gaap:StatementEquityComponents
us-gaap:StockIssuedDuringPeriodSharesPeriodIncreaseDecrease

us-gaap:CommonStockValue
us-gaap:StatementEquityComponents
us-gaap:SharesOutstanding

us-gaap:CommonStockSharesIssued

us-gaap:CommonStockSharesAuthorized

us-gaap:CommonStockSharesOutstanding

us-gaap:WeightedAverageNumberOfDilutedSharesOutstanding

us-gaap:WeightedAverageNumberOfSharesOutstandingBasic

us-gaap:AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount

us-gaap:EarningsPerShareBasic

us-gaap:EarningsPerShareDiluted
us-gaap:ProductOrService
us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax

us-gaap:InterestAndFeeIncomeLoansAndLeases

us-gaap:GainLossOnInvestments
us-gaap:FinancialInstrument

us-gaap:InterestExpense

us-gaap:InterestIncomeExpenseNet

us-gaap:InterestPaidNet

us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments

us-gaap:IncomeTaxExpenseBenefit

us-gaap:IncomeTaxesPaidNet

us-gaap:NetIncomeLoss

us-gaap:ComprehensiveIncomeNetOfTax
us-gaap:StatementEquityComponents

us-gaap:Assets

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:BusinessAcquisition
us-gaap:Restatement, us-gaap:BusinessAcquisition

us-gaap:IntangibleAssetsNetExcludingGoodwill

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

us-gaap:OtherLiabilitiesNoncurrent

us-gaap:StockholdersEquity
us-gaap:StatementEquityComponents

us-gaap:CommonStockValue

us-gaap:StockIssuedDuringPeriodValueNewIssues
us-gaap:StatementEquityComponents

us-gaap:AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue
us-gaap:StatementEquityComponents

us-gaap:NetCashProvidedByUsedInOperatingActivities

us-gaap:NetCashProvidedByUsedInInvestingActivities

us-gaap:NetCashProvidedByUsedInFinancingActivities

us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect

us-gaap:NetCashProvidedByUsedInOperatingActivities

us-gaap:NetIncomeLoss

us-gaap:DeferredIncomeTaxExpenseBenefit

us-gaap:ShareBasedCompensation

us-gaap:NetCashProvidedByUsedInInvestingActivities

us-gaap:NetCashProvidedByUsedInFinancingActivities

us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents

sbcf:AdditionsToBankPremisesAndEquipment
us-gaap:BusinessAcquisition
sbcf:BusinessAcquisitionPerShareExchangeRatio

sbcf:FederalDepositInsuranceCorporationAssessment

sbcf:FurnitureAndEquipmentExpense

sbcf:GainsLossesOnForeclosedPropertiesInOtherRealEstate

sbcf:InterchangeIncome

sbcf:InterestOnFederalFundsSoldAndInterestBearingDeposits

sbcf:MarineFinanceRevenues

sbcf:NonInterestIncomeExcludingGainLossOnLoansSaleAndInvestments

sbcf:NoninterestIncomeOthers

sbcf:OperatingLeaseLiabilityInitialRecognition

sbcf:OperatingLeaseRightOfUseAssetAmortization

sbcf:OperatingLeaseRightOfUseAssetsInitialRecognition

sbcf:OtherAccretionAmortizationNet

sbcf:OtherComprehensiveIncomeLossTransfersfromAvailableforSaletoHeldtomaturitySecuritiesBeforeTax

sbcf:ProceedsFromLoansFederalHomeLoanBanksMaturitiesGreaterThanThreeMonths

sbcf:ProceedsFromSaleAndMaturityOfTimeDepositsHeldWithOtherBanks

sbcf:RepaymentsOfLoansFederalHomeLoanBanksMaturitiesGreaterThanThreeMonths

sbcf:SaleOfLoansDesignatedHeldForSale

sbcf:SmallBusinessAdministrationGains

sbcf:TransferFromLoansToOtherRealEstateOwned

sbcf:TransferOfDebtSecuritiesFromHeldToMaturityToAvailableForSale

us-gaap:AccretionAmortizationOfDiscountsAndPremiumsInvestments

us-gaap:AllowanceForLoanAndLeaseLossesAdjustmentsNet
us-gaap:FinancingReceivablePortfolioSegment
us-gaap:AssetsSoldUnderAgreementsToRepurchase, us-gaap:BusinessAcquisition
us-gaap:AssetsFairValueAdjustment
us-gaap:AssetsSoldUnderAgreementsToRepurchase, us-gaap:BusinessAcquisition, us-gaap:CreditLossStatus

us-gaap:BankOwnedLifeInsuranceIncome

us-gaap:BusinessAcquisitionProFormaEarningsPerShareBasic

us-gaap:BusinessAcquisitionProFormaEarningsPerShareDiluted

us-gaap:BusinessAcquisitionsProFormaNetIncomeLoss

us-gaap:BusinessAcquisitionsProFormaRevenue

us-gaap:Communication

us-gaap:DebtSecuritiesAvailableForSaleRealizedGain

us-gaap:DebtSecuritiesAvailableForSaleRealizedLoss

us-gaap:Depreciation

us-gaap:FinancingReceivableAllowanceForCreditLossPurchasedWithCreditDeteriorationIncrease
us-gaap:FinancingReceivablePortfolioSegment

us-gaap:FinancingReceivableAllowanceForCreditLossesRecovery
us-gaap:FinancingReceivablePortfolioSegment

us-gaap:FinancingReceivableAllowanceForCreditLossesWriteOffs
us-gaap:FinancingReceivablePortfolioSegment

us-gaap:FinancingReceivableModificationsNumberOfContracts2
us-gaap:FinancingReceivablePortfolioSegment

us-gaap:FinancingReceivableModificationsPostModificationRecordedInvestment2
us-gaap:FinancingReceivablePortfolioSegment

us-gaap:FinancingReceivableModificationsPreModificationRecordedInvestment2
us-gaap:FinancingReceivablePortfolioSegment

us-gaap:GainLossOnDispositionOfAssets

us-gaap:GainLossOnSalesOfConsumerLoans

us-gaap:GainsLossesOnSalesOfOtherRealEstate

us-gaap:IncreaseDecreaseInDeposits

us-gaap:IncreaseDecreaseInFederalFundsPurchasedAndSecuritiesSoldUnderAgreementsToRepurchaseNet

us-gaap:IncreaseDecreaseInLoansFromOtherFederalHomeLoanBanks

us-gaap:IncreaseDecreaseInOtherOperatingAssets

us-gaap:IncreaseDecreaseInOtherOperatingLiabilities

us-gaap:IncrementalCommonSharesAttributableToShareBasedPaymentArrangements

us-gaap:InformationTechnologyAndDataProcessing

us-gaap:InterestAndDividendIncomeOperating

us-gaap:InterestAndDividendIncomeSecurities

us-gaap:InterestExpenseBorrowings

us-gaap:InterestExpenseSavingsDeposits

us-gaap:InterestExpenseTimeDeposits

us-gaap:InterestIncomeExpenseAfterProvisionForLoanLoss

us-gaap:LoansAndLeasesReceivableImpairedInterestIncomeRecognizedChangeInPresentValueAttributableToPassageOfTime

us-gaap:MarketableSecuritiesRealizedGainLossExcludingOtherThanTemporaryImpairments

us-gaap:MarketingExpense

us-gaap:NoninterestExpense

us-gaap:NoninterestIncome

us-gaap:OccupancyNet

us-gaap:OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent

us-gaap:OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesBeforeTax

us-gaap:OtherComprehensiveIncomeLossTax

us-gaap:OtherComprehensiveIncomeReclassificationAdjustmentForHeldToMaturityTransferredToAvailableForSaleSecuritiesBeforeTax

us-gaap:OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodBeforeTax

us-gaap:OtherLaborRelatedExpenses

us-gaap:OtherNoninterestExpense

us-gaap:PaymentsForOriginationOfMortgageLoansHeldForSale

us-gaap:PaymentsForProceedsFromLoansAndLeases

us-gaap:PaymentsOfDividendsPreferredStockAndPreferenceStock

us-gaap:PaymentsToAcquireAvailableForSaleSecuritiesDebt

us-gaap:PaymentsToAcquireFederalReserveStock

us-gaap:ProceedsFromLifeInsurancePolicies

us-gaap:ProceedsFromMaturitiesPrepaymentsAndCallsOfAvailableForSaleSecurities

us-gaap:ProceedsFromMaturitiesPrepaymentsAndCallsOfHeldToMaturitySecurities

us-gaap:ProceedsFromSaleAndMaturityOfMarketableSecurities

us-gaap:ProceedsFromSaleOfAvailableForSaleSecuritiesDebt

us-gaap:ProceedsFromSaleOfFederalReserveStock

us-gaap:ProceedsFromSaleOfForeclosedAssets

us-gaap:ProceedsFromStockPlans

us-gaap:ProfessionalFees

us-gaap:ProvisionForLoanLossesExpensed
us-gaap:FinancingReceivablePortfolioSegment

us-gaap:SalariesAndWages
us-gaap:StatementEquityComponents
us-gaap:StockIssuedDuringPeriodSharesEmployeeBenefitPlan
us-gaap:StatementEquityComponents
us-gaap:StockIssuedDuringPeriodSharesStockOptionsExercised

us-gaap:StockIssuedDuringPeriodValueEmployeeBenefitPlan
us-gaap:StatementEquityComponents

us-gaap:StockIssuedDuringPeriodValueStockOptionsExercised
us-gaap:StatementEquityComponents

us-gaap:StockholdersEquityPeriodIncreaseDecrease
us-gaap:StatementEquityComponents
us-gaap:BusinessAcquisition
sbcf:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentAssetsInvestments
us-gaap:Restatement, us-gaap:BusinessAcquisition
us-gaap:BusinessAcquisition
sbcf:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedFixedAssets
us-gaap:Restatement, us-gaap:BusinessAcquisition
us-gaap:BusinessAcquisition
sbcf:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedLoanHeldForInvestment
us-gaap:Restatement, us-gaap:BusinessAcquisition

sbcf:DebtSecuritiesAvailableForSaleInterestReceivable
us-gaap:CreditRatingStandardPoors, us-gaap:FinancialInstrument
sbcf:DebtSecuritiesAvailableforsaleUnrealizedLossPositionAverageCreditSupport
us-gaap:CreditRatingStandardPoors, us-gaap:FinancialInstrument
sbcf:DebtSecuritiesAvailableforsaleUnrealizedLossPositionNumberofPositionsPercentageOfTotal

sbcf:DebtSecuritiesHeldToMaturityInterestReceivable
us-gaap:AssetsSoldUnderAgreementsToRepurchase, us-gaap:BusinessAcquisition
sbcf:FairValueAdjustmentPercent

sbcf:FinancingReceivableCollateralDependentLoans
us-gaap:FinancingReceivablePortfolioSegment

sbcf:FinancingReceivableNonaccrualRelatedAllowance
us-gaap:FinancingReceivablePortfolioSegment

sbcf:FinancingReceivableNonaccrualWithAllowanceForCreditLosses
us-gaap:FinancingReceivablePortfolioSegment

sbcf:FinancingReceivableTroubledDebtRestructuringAllowanceForCreditLoss
us-gaap:DebtInstrument
sbcf:FinancingReceivableValueOfLoansDeferredNotClassifiedAsTroubledDebtRestructuring
us-gaap:DebtInstrument, us-gaap:FinancingReceivablePortfolioSegment
us-gaap:DebtInstrument, us-gaap:SubsequentEventType
us-gaap:DebtInstrument
sbcf:FinancingReceivableValueOfLoansDeferredNotClassifiedAsTroubledDebtRestructuringPercentageOfLoanDeferral
us-gaap:DebtInstrument, us-gaap:FinancingReceivablePortfolioSegment

sbcf:LoansHeldForSaleFairValueDisclosureFairValueAmountInExcessOfContractualBalance

sbcf:OtherShareholdersEquity

sbcf:TimeDepositsWithOtherBanks
us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementFrequency
us-gaap:FairValueByMeasurementBasis, us-gaap:FairValueByMeasurementFrequency

us-gaap:AssetsHeldForSaleNotPartOfDisposalGroup

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

us-gaap:BankOwnedLifeInsurance
us-gaap:BusinessAcquisition
us-gaap:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedAssets
us-gaap:Restatement, us-gaap:BusinessAcquisition
us-gaap:BusinessAcquisition
us-gaap:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCashAndEquivalents
us-gaap:Restatement, us-gaap:BusinessAcquisition
us-gaap:BusinessAcquisition
us-gaap:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentLiabilitiesAccountsPayable
us-gaap:Restatement, us-gaap:BusinessAcquisition
us-gaap:BusinessAcquisition
us-gaap:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedIntangibles
us-gaap:Restatement, us-gaap:BusinessAcquisition
us-gaap:BusinessAcquisition
us-gaap:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedLiabilities
us-gaap:Restatement, us-gaap:BusinessAcquisition
us-gaap:BusinessAcquisition
us-gaap:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedNoncurrentLiabilitiesOther
us-gaap:Restatement, us-gaap:BusinessAcquisition
us-gaap:BusinessAcquisition
us-gaap:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedOtherNoncurrentAssets
us-gaap:Restatement, us-gaap:BusinessAcquisition

us-gaap:CashAndDueFromBanks
us-gaap:BusinessAcquisition
us-gaap:CertainLoansAcquiredInTransferNotAccountedForAsDebtSecuritiesAcquiredDuringPeriodAtAcquisitionAtFairValue
us-gaap:BusinessAcquisition, us-gaap:CreditLossStatus
us-gaap:BusinessAcquisition, us-gaap:FinancialInstrument
us-gaap:BusinessAcquisition
us-gaap:CertainLoansAcquiredInTransferNotAccountedForAsDebtSecuritiesCarryingAmountNet
us-gaap:BusinessAcquisition, us-gaap:FinancialInstrument
us-gaap:FinancialInstrument
us-gaap:DebtSecuritiesAvailableForSaleAllowanceForCreditLoss

us-gaap:DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPosition12MonthsOrLonger
us-gaap:FinancialInstrument

us-gaap:DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPosition12MonthsOrLongerAccumulatedLoss
us-gaap:FinancialInstrument

us-gaap:DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12Months
us-gaap:FinancialInstrument

us-gaap:DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12MonthsAccumulatedLoss
us-gaap:FinancialInstrument

us-gaap:DebtSecuritiesAvailableForSaleUnrealizedLossPosition
us-gaap:CreditRatingStandardPoors, us-gaap:FinancialInstrument
us-gaap:FinancialInstrument

us-gaap:DebtSecuritiesAvailableForSaleUnrealizedLossPositionAccumulatedLoss
us-gaap:FinancialInstrument
us-gaap:CreditRatingStandardPoors, us-gaap:FinancialInstrument
us-gaap:DebtSecuritiesAvailableForSaleUnrealizedLossPositionNumberOfPositions
us-gaap:FinancialInstrument

us-gaap:DeferredCostsCurrentAndNoncurrent
us-gaap:AccountsNotesLoansAndFinancingReceivableByReceivableType

us-gaap:DeferredIncomeTaxAssetsNet

us-gaap:Deposits
us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementFrequency
us-gaap:DepositsFairValueDisclosure
us-gaap:FairValueByMeasurementBasis, us-gaap:FairValueByMeasurementFrequency
us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementFrequency
us-gaap:FairValueLiabilitiesMeasuredOnRecurringBasisSubordinatedDebtObligations
us-gaap:FairValueByMeasurementBasis, us-gaap:FairValueByMeasurementFrequency
us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementFrequency
us-gaap:FederalHomeLoanBankBorrowingsFairValueDisclosure
us-gaap:FairValueByMeasurementBasis, us-gaap:FairValueByMeasurementFrequency

us-gaap:FederalHomeLoanBankConsolidatedObligations

us-gaap:FinancingReceivableAllowanceForCreditLosses
us-gaap:FinancingReceivablePortfolioSegment

us-gaap:FinancingReceivableAllowanceForCreditLossesCollectivelyEvaluatedForImpairment
us-gaap:FinancingReceivablePortfolioSegment

us-gaap:FinancingReceivableAllowanceForCreditLossesIndividuallyEvaluatedForImpairment1
us-gaap:FinancingReceivablePortfolioSegment

us-gaap:FinancingReceivableCollectivelyEvaluatedForImpairment
us-gaap:FinancingReceivablePortfolioSegment

us-gaap:FinancingReceivableIndividuallyEvaluatedForImpairment
us-gaap:FinancingReceivablePortfolioSegment

us-gaap:FinancingReceivableNonaccrualNoAllowance
us-gaap:FinancingReceivablePortfolioSegment

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

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

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

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

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

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

us-gaap:FinancingReceivableRecordedInvestmentCurrent

us-gaap:FinancingReceivableRecordedInvestmentNonaccrualStatus

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

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

us-gaap:HeldToMaturitySecuritiesAccumulatedUnrecognizedHoldingGain
us-gaap:FinancialInstrument

us-gaap:HeldToMaturitySecuritiesAccumulatedUnrecognizedHoldingLoss
us-gaap:FinancialInstrument

us-gaap:HeldToMaturitySecuritiesAmortizedCostBeforeOtherThanTemporaryImpairment
us-gaap:FinancialInstrument

us-gaap:HeldToMaturitySecuritiesFairValue
us-gaap:FinancialInstrument

us-gaap:ImpairedFinancingReceivableRecordedInvestment

us-gaap:ImpairedFinancingReceivableRelatedAllowance

us-gaap:InterestBearingDepositsInBanks

us-gaap:InterestReceivable

us-gaap:Investments

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

us-gaap:NotesReceivableGross
us-gaap:AccountsNotesLoansAndFinancingReceivableByReceivableType
us-gaap:AccountsNotesLoansAndFinancingReceivableByReceivableType, us-gaap:FinancingReceivablePortfolioSegment
us-gaap:CreditLossStatus
us-gaap:CreditLossStatus, us-gaap:FinancingReceivablePortfolioSegment
us-gaap:FinancingReceivablePortfolioSegment
us-gaap:FinancingReceivablePortfolioSegment, us-gaap:InternalCreditAssessment
us-gaap:InternalCreditAssessment

us-gaap:NotesReceivableNet

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

us-gaap:SecuritiesSoldUnderAgreementsToRepurchase
us-gaap:CustomerSecuritiesForWhichEntityHasRightToSellOrRepledge, us-gaap:FairValueByMeasurementBasis, us-gaap:FinancialInstrument
us-gaap:SecurityOwnedAndPledgedAsCollateralFairValue
us-gaap:FairValueByMeasurementBasis, us-gaap:FinancialInstrument

us-gaap:SubordinatedDebt

Tables

  2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-30
 us-gaap:StockIssuedDuringPeriodSharesPeriodIncreaseDecrease us-gaap:StatementEquityComponents us-gaap:CommonStock▁█0.2821.195NA0.0210.0470.053NA0.1060.1810.065NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:CommonStockValue ▄▄▄▄▄▄▄▃▃▃▃▃▃▃▂▂▂▂▂▂▂▂▂▁▁▁▁██████████5.2995.2715.1515.1485.1465.1415.1364.7274.7164.6984.6934.3514.3394.0753.8023.7993.7993.7923.4353.4353.33.33.32.62.5992.5992.3649.4929.4879.4859.4849.4819.4779.4749.4699.479.354NA9.349NANA
 us-gaap:SharesOutstanding us-gaap:StatementEquityComponents us-gaap:CommonStock██▆▆▆▆▆▁▁▁▁52.99152.70951.51451.48251.46151.41451.36147.2747.16446.98346.918NANANA0.038022NANANA0.034351NANANA0.033137NANANA0.023638NANANA0.018967NANANANANANANANANANA
us-gaap:CommonStockSharesIssued ▄▄▄▄▄▄▄▃▃▃▃▃▃▃▂▂▂▂▂▂▂▂▂▁▁▁▁██████████53.32679453.01041351.76061751.73077351.71151351.6211651.51473447.40293547.29747446.99454547.03225943.60172243.55018240.78185738.09056838.06870138.02376937.92875434.35689234.34982433.22613433.14326433.14320226.04856826.00375125.98793523.63837394.91622494.91727594.86318194.87564594.87535994.79753694.72882194.69300294.69839193.5421NA93.487652NANA
us-gaap:CommonStockSharesAuthorized ▃▃▃▃▃▃▃▃▃▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁██████████120.0120.0120.0120.0120.0120.0120.0120.0120.060.060.060.060.060.060.060.060.060.060.060.060.060.060.060.060.060.060.0300.0300.0300.0300.0300.0300.0300.0300.0300.0300.0NA300.0NANA
us-gaap:CommonStockSharesOutstanding ▄▄▄▄▄▄▄▃▃▃▃▃▃▃▂▂▂▂▂▂▂▂▂▁▁▁▁██████████52.99065552.70872651.51373351.48202951.46061751.41398851.36107947.26969247.16310946.98316546.91773543.51217943.45897340.71593838.02183538.0250237.99301337.9222534.35140934.34645633.22051133.13615233.13659226.02763425.99882325.98448823.63743494.91152994.91146694.85002794.8371794.81068494.77998194.71743294.68680194.69690693.541902NA93.487581NANA
us-gaap:WeightedAverageNumberOfDilutedSharesOutstanding █▁53.30852.284NA51.93551.95252.039NA48.0293347.97411847.688388NA43.79210843.55628539.498835NA38.16986338.1415535.452968NA34.1935433.23350833.135618NA26.02569325.99812125.656775NA95.49015394.68240194.626076NA94.48199794.45231794.394906NA93.87819993.49216993.458692NA93.38871560.020561
us-gaap:WeightedAverageNumberOfSharesOutstandingBasic █▁52.98551.803NA51.47351.44651.359NA47.20538347.16490946.951829NA43.15124842.84115238.839284NA37.54980437.47007134.848875NA33.90717832.97800632.971444NA25.88759125.82682525.48963NA94.02958393.97325693.947141NA93.77766293.66723193.618129NA93.5249593.49216993.458692NA93.38871560.020561
us-gaap:AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount █▁0.5080.489NA0.4920.4940.487NA0.4810.4790.274NA0.2740.0590.084NA0.1910.1270.225NA0.282NA0.283NA0.496NA0.302NANANA0.436NANANA1.117NANANANANANANA
us-gaap:EarningsPerShareBasic ▃▂▃▃▃▃▃▃▃▃▃▃▂▂▃▃▂▂▂▂▂▂▂▂▂▂█▃▂▂▂▂▂▂▂▂▂▂▁▂▁0.470.010.530.50.450.440.309999999999999830.350.360.380.290000000000000040.330.180.20.290000000000000040.240.140.110.180000000000000050.130.180.18-0.070000000000000030.120.070.091.960.470.020.01-0.010000000000000002-0.01-0.030.00.0199999999999999970.020.0-0.01-0.12-0.09-0.25
us-gaap:EarningsPerShareDiluted ▃▂▃▃▃▃▃▃▃▃▃▃▂▂▃▃▂▂▂▂▂▂▂▂▂▂█▃▂▂▂▂▂▂▂▂▂▂▁▂▁0.470.010.520.490.450.440.309999999999999830.340.350.380.290000000000000040.320.180.20.290000000000000040.240.140.110.180000000000000050.130.180.18-0.070000000000000030.120.070.091.940.460.020.01-0.010000000000000002-0.01-0.030.00.0199999999999999970.020.0-0.01-0.12-0.09-0.25
  2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-30
 us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:ProductOrService sbcf:WealthManagementIncome▁█1.7191.867NANA1.6881.453NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:ProductOrService us-gaap:DepositAccount▁▇██▇▆█▇▆1.9392.8252.962.9782.8942.6973.0192.8332.674NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:ProductOrService us-gaap:MortgageBanking█▅▃▄▃▂▁▂▂3.5592.2081.5142.1271.7341.1150.8091.1351.336NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:InterestAndFeeIncomeLoansAndLeases ██████▇▆▅▅▅▅▄▃▃▃▃▃▃▃▂▂▂▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁64.84463.4462.86863.09262.28862.28759.49548.71346.51945.25743.32240.40338.20931.89132.00731.93229.24426.03425.18425.27621.98822.02121.0714.61514.10313.79813.92414.75614.26414.02714.43814.37114.70714.77415.35115.31515.47616.21316.50317.18117.393
us-gaap:GainLossOnInvestments ▄▂▆▁▂▂▂▂▂▂▃▂▂▂▂▃▂▂▂▃▂▂▂▃▂▂▂▃▃▂▃▂██▄▃▂▂▂▃▄1.230.0192.539-0.847-0.466-0.009-0.425-0.048-0.048-0.1020.112-0.0470.0210.00.0070.2250.0470.0890.0010.160.00.00.1080.3440.00.0170.00.280.1140.0250.5820.0483.6153.3741.0830.1370.00.00.00.211.377
us-gaap:InterestExpense ▄▇▇███▇▅▄▄▃▃▂▂▂▂▂▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▂▂▂▂▃▃▃▃▃5.959.81510.52611.87712.10111.70110.0747.5926.5025.7155.1184.333.2422.612.2662.1662.0861.9491.8151.8121.6951.6081.5391.2631.2621.2911.3391.3621.3991.4571.5981.8732.2992.7083.0843.413.7463.7133.9224.3774.831
us-gaap:InterestIncomeExpenseNet █▇▇▇▇▇▇▆▆▆▅▅▅▄▄▄▄▃▃▃▂▂▂▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁67.27263.17761.7660.94860.13660.77459.98451.56250.20749.76248.22645.74944.15638.16537.42537.44834.49330.22229.129.01125.66625.7124.73317.22816.72516.22116.27716.81516.11416.016.20815.95216.00716.64216.97416.86816.54116.45616.32116.46116.217
us-gaap:InterestPaidNet ▁▆▇██▇▅▃▂▁5.49710.25910.87512.05511.77811.4229.3497.0336.3865.533NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments █▃██▇▇▆▆▆▆█▆▅▅▅▅▄▄▄▄▄▄▃▄▃▄▃▃▃▃▃▃▃▃▃▃▃▃▂▂▁32.2680.55435.27934.05730.16229.11420.89220.6822.15323.80933.42122.14211.61812.0216.05713.4528.1816.4019.7617.1399.3699.399-2.1475.2573.3823.7483.1073.4992.9542.0440.240.447-2.3350.9382.5482.6481.1130.358-10.205-7.638-13.796
us-gaap:IncomeTaxExpenseBenefit ▇▆▇▇▆▆▆▆▆▆█▇▆▆▆▆▆▆▆▆▆▆▆▆▆▆▆▁▆▆▆▆▆▆▆▆▆▆7.188-0.1558.1038.4526.9096.4094.934.3585.1895.78220.3747.9263.9424.0945.2864.3192.8492.4353.7252.6983.5643.54-0.632.2611.4641.4491.257-41.6420.00.00.00.00.00.00.00.00.00.0NANA0.0
us-gaap:IncomeTaxesPaidNet ▄▁▃█▇▁▅▄▆▂3.4920.02.57.56.00.04.03.05.01.2NANANANANANANANANANANANANANANANANANANANANANANANA0.00.003NANA-0.4770.004NA
us-gaap:NetIncomeLoss ▆▃▆▆▅▅▅▅▅▅▄▄▄▄▄▄▃▃▃▃▃▃▂▃▃▃▃█▃▃▃▃▂▃▃▃▃▃▁▂▁25.080.70927.17625.60523.25322.70515.96216.32216.96418.02713.04714.2167.6767.92610.7719.1335.3323.9666.0364.4415.8055.859-1.5172.9961.9182.2991.8545.1412.9542.0440.240.447-2.3350.9382.5482.6481.1130.358-10.205-7.638-13.796
us-gaap:ComprehensiveIncomeNetOfTax ▇▂▅▆▆▆▅▄▄▃▃▄▃▃▂▃▃▃▂▃▂▃▂▂▃▂▂█▁37.6151.00321.3330.64632.7431.54821.76713.80112.7310.01810.70315.03111.1799.955-0.5738.83410.8758.7662.1135.7474.1818.714-1.0511.4195.9024.943-1.48443.267-4.933NANANANANANANANANANANANA
  2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-30
  2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-30
  2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-30
us-gaap:Assets █▇▇▇▇▆▆▆▅▅▅▅▅▄▄▄▄▃▃▃▂▂▂▁▁▁▁▁▁▁▁▁▁▁▁▁▁8084.0137352.8947108.5116890.6456824.8866783.3896747.6595930.9345922.6815903.1015810.1295340.2995281.2954769.7754680.9324513.9344381.2044001.3233534.783378.1083233.5883231.9563093.3352361.8132294.1562315.9922268.942149.7772183.682202.0492173.9292081.6932106.5142169.0732137.3752051.0372082.863NA2016.381NANA
us-gaap:Liabilities █▇▇▆▆▆▆▅▆▅▅▅▅▄▄▄▄▃▃▃▂▂▂▁▁▁▁▁▁▁▁▁▁▁▁▁▁7053.416361.1076122.8725927.9675894.6475886.9655883.3925198.1035206.5185201.245120.4654745.8584703.9184267.2814245.5354078.4153955.7753587.5353181.3273027.8282906.7322910.1122780.6842125.8582059.7172087.612070.3361945.9192022.4322035.3442008.3831914.4841941.0611998.1511967.2981880.2441911.715NA1850.082NANA
us-gaap:LiabilitiesAndStockholdersEquity █▇▇▇▇▆▆▆▅▅▅▅▅▄▄▄▄▃▃▃▂▂▂▁▁▁▁▁▁▁▁▁▁▁▁▁▁8084.0137352.8947108.5116890.6456824.8866783.3896747.6595930.9345922.6815903.1015810.1295340.2995281.2954769.7754680.9324513.9344381.2044001.3233534.783378.1083233.5883231.9563093.3352361.8132294.1562315.9922268.942149.7772183.682202.0492173.9292081.6932106.5142169.0732137.3752051.0372082.863NA2016.381NANA
us-gaap:StockholdersEquity ███▇▇▇▇▆▅▅▅▄▄▄▃▃▃▃▃▃▂▂▂▂▂▂▁▁▁▁▁▁▁▁▁▁▁1030.603991.787985.639962.678930.239896.424864.267732.831716.163701.861689.664594.441577.377502.494435.397435.519425.429413.788353.453350.28326.856321.844312.651235.955234.439228.382198.604203.858161.248166.705165.546167.209165.453170.922170.077170.793171.148NA166.299NANA
  2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-30
us-gaap:CashAndCashEquivalentsAtCarryingValue █▅▂▂▃▃▂▂▂▂▂▂▂▂▂▃▂▂▂▂▂▃▂▁▂▃▃▂▂▄▃▃▃▄▃▂▃▄▃▃▅524.32314.874124.531132.26159.779204.011115.951105.094131.521135.859109.504125.278108.197144.837109.644167.383126.802148.628136.067100.64194.748199.929100.53958.896154.03218.778191.624108.351140.119227.051174.987172.718219.635272.034167.081116.885166.891227.538211.405201.242312.285
  2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-30
us-gaap:AmortizationOfIntangibleAssets ██████▇▅▅▅▅▄▄▃▃▃▂▁▁▁1.4831.4561.4561.4561.4561.4581.3031.0041.0040.9890.9640.8390.8390.7190.7190.7280.5930.4460.3970.397NANANANANANANANANANANANANANANANANANANANANA
us-gaap:PropertyPlantAndEquipmentNet ██▇▇▇██▇▇▇▇▅▅▆▆▆▇▆▅▅▄▄▃▁▁▁▁▁▁▁▁▁▁▁▁▁▁69.04171.5466.61567.87368.73870.41271.02463.53163.99164.57766.88357.09256.76558.61158.68459.03563.81761.41654.57954.950.02848.18945.08634.80934.65335.05734.50534.65135.02934.6234.46534.88435.04434.15134.22734.59934.892NA36.045NANA
us-gaap:Goodwill ███████▆▆▆▆▄▄▂▂▂▂▂▁▁▁▁▁212.146212.085205.286205.286205.26205.26204.753148.555148.555148.555147.578101.747101.73964.64964.64964.64964.12355.19625.21125.86425.21125.22225.309NANANA0.0NANANANANANANANANANANANANANA
us-gaap:IntangibleAssetsNetExcludingGoodwill ▆▆▆▇▇▇█▅▆▆▆▅▆▅▅▅▅▄▃▃▃▃▃▁▁▁▁▁▁▁▁▁▁▂▂▂▂17.9519.46120.06621.31822.67223.95925.97716.50817.31918.24619.09916.10216.94113.85314.57215.29116.15411.5248.5948.9916.8247.1397.4540.130.3260.5220.7180.9141.1091.3051.5011.6971.8922.0882.2892.5012.713NA3.137NANA
us-gaap:OtherAssetsNoncurrent █▇▇▆▇▆▆▅▄▄▅▄▄▄▄▂▂▁▁▅▅▅▅▄▄▄▄▄▂▂▂▂▂▁▂▁▂153.993145.957141.74129.384133.764128.146128.117102.11297.85194.443110.24695.85692.35584.41483.56766.40254.70547.23243.946102.96399.451100.415105.63592.788.91792.73295.65193.00952.70752.55154.22352.30155.00651.70355.18950.53653.628NA62.713NANA
 us-gaap:EquitySecuritiesFvNi us-gaap:FairValueByFairValueHierarchyLevel,us-gaap:FairValueByMeasurementFrequency us-gaap:FairValueInputsLevel1,us-gaap:FairValueMeasurementsRecurring6.548NA6.392NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:EquitySecuritiesFvNi us-gaap:FairValueByMeasurementFrequency us-gaap:FairValueMeasurementsRecurring6.548NA6.392NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:EquitySecuritiesFvNi us-gaap:FinancialInstrument sbcf:CRAQualifiedDebtSecurities6.5NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
  2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-30
  2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-30
us-gaap:OtherLiabilitiesNoncurrent ▇▆▆▅▅▅▄▃▃▃▃▃█▃▃▂▄▄▄▂▂▂▂▁▁▁▁▁▂▁▁▁▁▁▁▁▂88.27772.7365.91363.39860.47959.50841.02533.82433.36429.85730.1331.65495.52133.21832.84725.05849.97146.72744.97417.03414.20915.63715.9279.2628.9088.0699.3719.06119.2797.8929.0099.0158.3787.7668.6958.79823.817NA11.031NANA
  2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-30
us-gaap:StockholdersEquity ███▇▇▇▇▆▅▅▅▄▄▄▃▃▃▃▃▃▂▂▂▂▂▂▁▁▁▁▁▁▁▁▁▁▁1030.603991.787985.639962.678930.239896.424864.267732.831716.163701.861689.664594.441577.377502.494435.397435.519425.429413.788353.453350.28326.856321.844312.651235.955234.439228.382198.604203.858161.248166.705165.546167.209165.453170.922170.077170.793171.148NA166.299NANA
us-gaap:CommonStockValue ▄▄▄▄▄▄▄▃▃▃▃▃▃▃▂▂▂▂▂▂▂▂▂▁▁▁▁██████████5.2995.2715.1515.1485.1465.1415.1364.7274.7164.6984.6934.3514.3394.0753.8023.7993.7993.7923.4353.4353.33.33.32.62.5992.5992.3649.4929.4879.4859.4849.4819.4779.4749.4699.479.354NA9.349NANA
us-gaap:StockIssuedDuringPeriodValueNewIssues ▁█0.021.031NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:StockIssuedDuringPeriodValueNewIssues us-gaap:StatementEquityComponents us-gaap:AdditionalPaidInCapital▁█0.020.927NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:StockIssuedDuringPeriodValueNewIssues us-gaap:StatementEquityComponents us-gaap:CommonStock▁█0.00.104NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue ▂▆▁▄▅▇█▆█▁1.5232.01.4711.7451.8992.1292.2211.982.1671.455NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
  2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-30
us-gaap:NetCashProvidedByUsedInOperatingActivities ▂▄▆▄▅▄▄▄▅█▁▄▂▃▄5.7424.68642.43825.88129.34320.08323.42223.24929.0553.8870.46622.3069.37416.76319.597NANANANANANANANANANANA3.92618.85610.38616.684-4.277-1.8752.3431.7474.887-1.3386.9713.222-0.560.51NA
us-gaap:NetCashProvidedByUsedInInvestingActivities ▁█▄▆▆█▇▆▆▅▇▅▅▆▄-472.658109.06-242.647-83.778-79.39284.47610.743-41.618-34.489-109.23659.399-111.753-134.493-58.729-236.027NANANANANANANANA-164.842NANA-40.83816.247-72.4437.879-86.777-17.2553.61871.993-41.273-25.995-50.517-63.084-25.242-19.189NA
us-gaap:NetCashProvidedByUsedInFinancingActivities █▂▃▂▂▂▁▂▂▂▁▃▃▂▃676.36456.597192.4830.3785.817-16.499-23.308-8.0581.10181.704-75.639106.52888.47977.159158.691NANANANANANANANA65.818NANA120.185-66.871-24.87527.50193.323-27.787-58.3631.21386.582-22.673-17.165.99535.965-92.364NA
us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect █▇▂▁▁▅▃▁▂▃209.446190.343-7.729-27.519-44.23288.0610.857-26.427-4.33826.355NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
  2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-30
us-gaap:NetCashProvidedByUsedInOperatingActivities ▂▄▆▄▅▄▄▄▅█▁▄▂▃▄5.7424.68642.43825.88129.34320.08323.42223.24929.0553.8870.46622.3069.37416.76319.597NANANANANANANANANANANA3.92618.85610.38616.684-4.277-1.8752.3431.7474.887-1.3386.9713.222-0.560.51NA
us-gaap:NetIncomeLoss ▆▃▆▆▅▅▅▅▅▅▄▄▄▄▄▄▃▃▃▃▃▃▂▃▃▃▃█▃▃▃▃▂▃▃▃▃▃▁▂▁25.080.70927.17625.60523.25322.70515.96216.32216.96418.02713.04714.2167.6767.92610.7719.1335.3323.9666.0364.4415.8055.859-1.5172.9961.9182.2991.8545.1412.9542.0440.240.447-2.3350.9382.5482.6481.1130.358-10.205-7.638-13.796
us-gaap:DeferredIncomeTaxExpenseBenefit ▁▃▃▃▃▃▁▃▂▄█▅▃▄▄▄▃▃-5.5352.2072.3490.7062.521.216-5.2161.116-0.1484.70720.757.7393.4783.865.0994.2212.4632.423NANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:ShareBasedCompensation ▅▇▅▆▇██▇█▅▅▄▃▄▂▅▃▁1.5242.01.471.7461.8982.1292.221.9812.1681.4541.481.2471.2251.3150.8791.4681.1340.673NANANANANANANANANANANANANANANANANANANANANANANA
  2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-30
us-gaap:NetCashProvidedByUsedInInvestingActivities ▁█▄▆▆█▇▆▆▅▇▅▅▆▄-472.658109.06-242.647-83.778-79.39284.47610.743-41.618-34.489-109.23659.399-111.753-134.493-58.729-236.027NANANANANANANANA-164.842NANA-40.83816.247-72.4437.879-86.777-17.2553.61871.993-41.273-25.995-50.517-63.084-25.242-19.189NA
  2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-30
us-gaap:NetCashProvidedByUsedInFinancingActivities █▂▃▂▂▂▁▂▂▂▁▃▃▂▃676.36456.597192.4830.3785.817-16.499-23.308-8.0581.10181.704-75.639106.52888.47977.159158.691NANANANANANANANA65.818NANA120.185-66.871-24.87527.50193.323-27.787-58.3631.21386.582-22.673-17.165.99535.965-92.364NA
  2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-30

None

us-gaap:StockIssuedDuringPeriodSharesPeriodIncreaseDecrease us-gaap:StatementEquityComponents

us-gaap:StockIssuedDuringPeriodSharesPeriodIncreaseDecrease

us-gaap:CommonStock


None
Period End2020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-31
Value282000.01195000.021000.047000.053000.0106000.0181000.065000.0
Percentage of StockIssuedDuringPeriodSharesPeriodIncreaseDecrease100.0100.0100.0100.0100.0100.0100.0100.0

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
Value5299000.05271000.05151000.05148000.05146000.05141000.05136000.04727000.04716000.04698000.04693000.04351000.04339000.04075000.03802000.03799000.03799000.03792000.03435000.03435000.03300000.03300000.03300000.02600000.02599000.02599000.02364000.09492000.09487000.09485000.09484000.09481000.09477000.09474000.09469000.09470000.09354000.09349000.0
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 Assets0.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.40.40.40.40.50.40.40.40.50.40.5

None

us-gaap:SharesOutstanding us-gaap:StatementEquityComponents

us-gaap:SharesOutstanding

us-gaap:CommonStock


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-31
Value52525151515151474746460.0380220.0343510.0331370.0236380.018967
Percentage of SharesOutstanding100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

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
Value5353515151515147474647434340383838373434333333262625239494949494949494949393
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:CommonStockSharesAuthorized

us-gaap:CommonStockSharesAuthorized


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302010-12-31
Value120120120120120120120120120606060606060606060606060606060606060300300300300300300300300300300300
Percentage of CommonStockSharesAuthorized100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

None

us-gaap:CommonStockSharesOutstanding

us-gaap:CommonStockSharesOutstanding


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302010-12-31
Value5252515151515147474646434340383837373434333333262525239494949494949494949393
Percentage of CommonStockSharesOutstanding100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

None

us-gaap:WeightedAverageNumberOfDilutedSharesOutstanding

us-gaap:WeightedAverageNumberOfDilutedSharesOutstanding


None
Period End2020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-09-302016-06-302016-03-312015-09-302015-06-302015-03-312014-09-302014-06-302014-03-312013-09-302013-06-302013-03-312012-09-302012-06-302012-03-312011-09-302011-06-302011-03-312010-09-302010-06-30
Value53525151524847474343393838353433332625259594949494949393939360
Percentage of WeightedAverageNumberOfDilutedSharesOutstanding100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

None

us-gaap:WeightedAverageNumberOfSharesOutstandingBasic

us-gaap:WeightedAverageNumberOfSharesOutstandingBasic


None
Period End2020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-09-302016-06-302016-03-312015-09-302015-06-302015-03-312014-09-302014-06-302014-03-312013-09-302013-06-302013-03-312012-09-302012-06-302012-03-312011-09-302011-06-302011-03-312010-09-302010-06-30
Value52515151514747464342383737343332322525259493939393939393939360
Percentage of WeightedAverageNumberOfSharesOutstandingBasic100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

None

us-gaap:AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount

us-gaap:AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount


None
Period End2020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-09-302016-06-302016-03-312015-09-302015-03-312014-09-302014-03-312013-03-312012-03-31
Value508000.0489000.0492000.0494000.0487000.0481000.0479000.0274000.0274000.059000.084000.0191000.0127000.0225000.0282000.0283000.0496000.0302000.0436000.01117000.0
Percentage of AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

None

us-gaap:EarningsPerShareBasic

us-gaap:EarningsPerShareBasic


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-30
Value0.470.010.530.50.450.440.310.350.360.380.290.330.180.20.290.240.140.110.180.130.180.18-0.070.120.070.091.960.470.020.01-0.01-0.01-0.0300.020.020-0.01-0.12-0.09-0.25
Percentage of EarningsPerShareBasic100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.00.0100.0100.0100.0100.0

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
Value0.470.010.520.490.450.440.310.340.350.380.290.320.180.20.290.240.140.110.180.130.180.18-0.070.120.070.091.940.460.020.01-0.01-0.01-0.0300.020.020-0.01-0.12-0.09-0.25
Percentage of EarningsPerShareDiluted100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.00.0100.0100.0100.0100.0

None

us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:ProductOrService

us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax

sbcf:WealthManagementIncome


None
Period End2020-06-302020-03-312019-06-302019-03-31
Value1.7191.8671.6881.453
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax100.0100.0100.0100.0
Percentage of InterestAndDividendIncomeOperating2.32.62.32.0
Percentage of InterestAndDividendIncomeOperating sbcf:WealthManagementIncome0.00.00.00.0

us-gaap:DepositAccount


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-30
Value1.9392.8252.962.9782.8942.6973.0192.8332.674
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax112.8151.30.00.0171.4185.60.00.00.0
Percentage of InterestAndDividendIncomeOperating2.63.90.04.14.03.70.04.84.7
Percentage of InterestAndDividendIncomeOperating us-gaap:DepositAccount0.00.00.00.00.00.00.00.00.0

us-gaap:MortgageBanking


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-30
Value3.5592.2081.5142.1271.7341.1150.8091.1351.336
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax207.0118.30.00.0102.776.70.00.00.0
Percentage of InterestAndDividendIncomeOperating4.93.00.02.92.41.50.01.92.4
Percentage of InterestAndDividendIncomeOperating us-gaap:MortgageBanking0.00.00.00.00.00.00.00.00.0

None

us-gaap:InterestAndFeeIncomeLoansAndLeases

us-gaap:InterestAndFeeIncomeLoansAndLeases


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-30
Value6463626362625948464543403831323129262525212221141413131414141414141415151516161717
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 InterestAndDividendIncomeOperating88.686.90.086.686.285.90.082.382.081.60.080.780.678.20.080.679.980.90.082.080.480.60.079.078.478.80.081.281.480.40.080.680.376.40.075.576.380.40.082.582.6

None

us-gaap:GainLossOnInvestments

us-gaap:GainLossOnInvestments


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-30
Value1230000.019000.02539000.0-847000.0-466000.0-9000.0-425000.0-48000.0-48000.0-102000.0112000.0-47000.021000.007000.0225000.047000.089000.01000.0160000.000108000.0344000.0017000.00280000.0114000.025000.0582000.048000.03615000.03374000.01083000.0137000.0000210000.01377000.0
Percentage of GainLossOnInvestments100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.0100.0100.0100.00.00.0100.0100.00.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.00.00.0100.0100.0
Percentage of InterestAndDividendIncomeOperating1.70.00.0-1.2-0.6-0.00.0-0.1-0.1-0.20.0-0.10.00.00.00.60.10.30.00.50.00.00.01.90.00.10.01.50.70.10.00.319.717.40.00.70.00.00.01.06.5

us-gaap:GainLossOnInvestments us-gaap:FinancialInstrument

sbcf:CRAQualifiedDebtSecurities


None
Period End2020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-30
Value100000.0100000.0100000.0100000.0-100000.0-100000.0-100000.0
Percentage of GainLossOnInvestments8.1526.3-11.8-21.51111.1208.3208.3
Percentage of InterestAndDividendIncomeOperating0.10.10.10.1-0.1-0.2-0.2
Percentage of InterestAndDividendIncomeOperating sbcf:CRAQualifiedDebtSecurities0.00.00.00.00.00.00.0

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
Value5.959.81510111211107.5926.5025.7155.1184.333.2422.612.2662.1662.0861.9491.8151.8121.6951.6081.5391.2631.2621.2911.3391.3621.3991.4571.5981.8732.2992.7083.0843.413.7463.7133.9224.3774.831
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 InterestAndDividendIncomeOperating8.113.40.016.316.816.10.012.811.510.30.08.66.86.40.05.55.76.10.05.96.25.90.06.87.07.40.07.58.08.30.010.512.614.00.016.818.518.40.021.023.0

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
Value6763616060605951504948454438373734302929252524171616161616161615161616161616161616
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 InterestAndDividendIncomeOperating91.986.60.083.783.283.90.087.288.589.70.091.493.293.60.094.594.393.90.094.193.894.10.093.293.092.60.092.592.091.70.089.587.486.00.083.281.581.60.079.077.0

None

us-gaap:InterestPaidNet

us-gaap:InterestPaidNet


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value5.49710101211119.3497.0336.3865.533
Percentage of InterestPaidNet100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of InterestAndDividendIncomeOperating7.514.10.016.616.315.80.011.911.310.0

None

us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments

us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-30
Value320.55435343029202022233322111216138.1816.4019.7617.1399.3699.399-2.1475.2573.3823.7483.1073.4992.9542.0440.240.447-2.3350.9382.5482.6481.1130.358-10.205-7.638-13.796
Percentage of IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of InterestAndDividendIncomeOperating44.10.80.046.841.840.20.035.039.142.90.044.224.529.50.034.022.419.90.023.234.234.40.028.418.821.40.019.216.911.70.02.5-12.84.80.013.15.51.80.0-36.7-65.5

None

us-gaap:IncomeTaxExpenseBenefit

us-gaap:IncomeTaxExpenseBenefit


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-06-30
Value7.188-0.1558.1038.4526.9096.4094.934.3585.1895.782207.9263.9424.0945.2864.3192.8492.4353.7252.6983.5643.54-0.632.2611.4641.4491.257-41.6420.00.00.00.00.00.00.00.00.00.00.0
Percentage of IncomeTaxExpenseBenefit100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.00.00.00.00.00.00.00.00.00.00.0
Percentage of InterestAndDividendIncomeOperating9.8-0.20.011.69.68.80.07.49.210.40.015.88.310.00.010.97.87.60.08.813.013.00.012.28.18.30.0-229.10.00.00.00.00.00.00.00.00.00.00.0

None

us-gaap:IncomeTaxesPaidNet

us-gaap:IncomeTaxesPaidNet


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312011-12-312011-09-302010-12-312010-09-30
Value3.4920.02.57.56.00.04.03.05.01.20.00.003-0.4770.004
Percentage of IncomeTaxesPaidNet100.00.0100.0100.0100.00.0100.0100.0100.0100.00.0100.0100.0100.0
Percentage of InterestAndDividendIncomeOperating4.80.00.010.38.30.00.05.18.82.20.00.00.00.0

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
Value250.709272523221516161813147.6767.926109.1335.3323.9666.0364.4415.8055.859-1.5172.9961.9182.2991.85452.9542.0440.240.447-2.3350.9382.5482.6481.1130.358-10.205-7.638-13.796
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 InterestAndDividendIncomeOperating34.31.00.035.232.231.30.027.629.932.50.028.416.219.40.023.114.612.30.014.421.221.40.016.210.713.10.0248.316.911.70.02.5-12.84.80.013.15.51.80.0-36.7-65.5

None

us-gaap:ComprehensiveIncomeNetOfTax

us-gaap:ComprehensiveIncomeNetOfTax


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-30
Value371.00321303231211312101015119.955-0.5738.834108.7662.1135.7474.1818.714-1.0511.4195.9024.943-1.48443-4.933
Percentage of ComprehensiveIncomeNetOfTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of InterestAndDividendIncomeOperating51.41.40.042.145.343.50.023.322.418.10.030.023.624.40.022.329.727.20.018.615.331.90.07.732.828.20.0238.0-28.2

us-gaap:ComprehensiveIncomeNetOfTax us-gaap:StatementEquityComponents

us-gaap:AccumulatedOtherComprehensiveIncome


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-30
Value120.294-5.8465.0419.4878.8435.805-2.521-4.234
Percentage of ComprehensiveIncomeNetOfTax33.329.3-27.416.429.028.026.7-18.3-33.3
Percentage of InterestAndDividendIncomeOperating17.10.40.06.913.112.20.0-4.3-7.5
Percentage of InterestAndDividendIncomeOperating us-gaap:AccumulatedOtherComprehensiveIncome0.00.00.00.00.00.00.00.00.0

us-gaap:RetainedEarnings


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-30
Value250.70927252322151616
Percentage of ComprehensiveIncomeNetOfTax66.770.7127.483.671.072.073.3118.3133.3
Percentage of InterestAndDividendIncomeOperating34.31.00.035.232.231.30.027.629.9
Percentage of InterestAndDividendIncomeOperating us-gaap:RetainedEarnings0.00.00.00.00.00.00.00.00.0

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
Value80847352710868906824678367475930592259035810534052814769468045134381400135343378323332313093236122942315226821492183220221732081210621692137205120822016
Percentage of Assets100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

None

us-gaap:Liabilities

us-gaap:Liabilities


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302010-12-31
Value70536361612259275894588658835198520652015120474547034267424540783955358731813027290629102780212520592087207019452022203520081914194119981967188019111850
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 Assets87.386.586.186.086.486.887.287.687.988.188.188.989.189.590.790.490.389.790.089.689.990.089.990.089.890.191.290.592.692.492.492.092.192.192.091.791.891.8

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
Value80847352710868906824678367475930592259035810534052814769468045134381400135343378323332313093236122942315226821492183220221732081210621692137205120822016
Percentage of LiabilitiesAndStockholdersEquity100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

None

us-gaap:StockholdersEquity

us-gaap:StockholdersEquity


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302010-12-31
Value1030991985962930896864732716701689594577502435435425413353350326321312235234228198203161166165167165170170170171166
Percentage of StockholdersEquity100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets12.713.513.914.013.613.212.812.412.111.911.911.110.910.59.39.69.710.310.010.410.110.010.110.010.29.98.89.57.47.67.68.07.97.98.08.38.28.2

us-gaap:StockholdersEquity us-gaap:StatementEquityComponents

us-gaap:AccumulatedOtherComprehensiveIncome


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-31
Value174.7594.465105.27-4.217-13.06-18.865-16.344-12.11-4.216-7.513-6.213-4.827-10.3443.1385.2281.833
Percentage of StockholdersEquity1.70.50.51.10.6-0.5-1.5-2.6-2.3-1.7-0.6-1.7-1.8-1.5-5.21.93.11.1
Percentage of Assets0.20.10.10.10.1-0.1-0.2-0.3-0.3-0.2-0.1-0.2-0.2-0.2-0.50.10.20.1
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 End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-31
Value811809786784782780778668665663661454399379277230229229
Percentage of StockholdersEquity78.781.679.881.584.287.190.191.393.094.695.9104.3112.9121.3139.6139.2135.0137.7
Percentage of Assets10.011.011.111.411.511.511.511.311.211.211.49.711.312.312.210.610.711.4
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 End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-31
Value5.2995.2715.1515.1485.1465.1415.1364.7274.7164.6984.6933.8023.4353.32.3641.8971.8941.87
Percentage of StockholdersEquity0.50.50.50.50.60.60.60.60.70.70.70.91.01.11.21.11.11.1
Percentage of Assets0.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.1
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:RetainedEarnings


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-31
Value2041791951681431199781644729-13.657-42.858-65.0-70.695-118.611-114.152-112.652
Percentage of StockholdersEquity19.918.119.917.515.413.411.211.19.06.84.3-3.1-12.1-20.8-35.6-71.6-67.1-67.7
Percentage of Assets2.52.42.82.42.11.81.41.41.10.80.5-0.3-1.2-2.1-3.1-5.5-5.3-5.6
Percentage of Assets us-gaap:RetainedEarnings0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:TreasuryStock


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-31
Value-8.037-7.422-6.032-6.079-6.137-4.959-3.384-2.854-2.884-2.279-2.359-1.236-0.073-0.071-0.011-0.062-0.013-0.001
Percentage of StockholdersEquity-0.8-0.7-0.6-0.6-0.7-0.6-0.4-0.4-0.4-0.3-0.3-0.3-0.0-0.0-0.0-0.0-0.0-0.0
Percentage of Assets-0.1-0.1-0.1-0.1-0.1-0.1-0.1-0.0-0.0-0.0-0.0-0.0-0.0-0.0-0.0-0.0-0.0-0.0
Percentage of Assets us-gaap:TreasuryStock0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

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
Value5243141241321592041151051311351091251081441091671261481361009419910058154218191108140227174172219272167116166227211201312215151
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 Assets6.54.31.81.92.33.01.71.82.22.31.92.32.03.02.33.72.93.73.83.02.96.23.32.56.79.48.45.06.410.38.08.310.412.57.85.78.00.010.50.00.00.00.0

None

us-gaap:AmortizationOfIntangibleAssets

us-gaap:AmortizationOfIntangibleAssets


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-30
Value1483000.01456000.01456000.01456000.01456000.01458000.01303000.01004000.01004000.0989000.0964000.0839000.0839000.0719000.0719000.0728000.0593000.0446000.0397000.0397000.0
Percentage of AmortizationOfIntangibleAssets100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

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
Value6971666768707163636466575658585963615454504845343435343435343434353434343436
Percentage of PropertyPlantAndEquipmentNet100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.91.00.91.01.01.01.11.11.11.11.21.11.11.21.31.31.51.51.51.61.51.51.51.51.51.51.51.61.61.61.61.71.71.61.61.71.71.8

None

us-gaap:Goodwill

us-gaap:Goodwill


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-10-022013-12-31
Value21221220520520520520414814814814710110164646464552525252525250.0
Percentage of Goodwill100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0
Percentage of Assets2.62.92.93.03.03.03.02.52.52.52.51.91.91.41.41.41.51.40.70.80.80.80.80.00.0

us-gaap:Goodwill us-gaap:BusinessAcquisition

sbcf:FirstBankOfThePalmBeaches


None
Period End2020-03-13
Value6.799
Percentage of Goodwill0.0
Percentage of Assets0.0
Percentage of Assets sbcf:FirstBankOfThePalmBeaches0.0

us-gaap:Goodwill us-gaap:Restatement, us-gaap:BusinessAcquisition

srt:RestatementAdjustment, sbcf:FirstBankOfThePalmBeaches


None
Period End2020-03-13
Value0.062
Percentage of Goodwill0.0
Percentage of Assets0.0
Percentage of Assets srt:RestatementAdjustment sbcf:FirstBankOfThePalmBeaches0.0

srt:ScenarioPreviouslyReported, sbcf:FirstBankOfThePalmBeaches


None
Period End2020-03-13
Value6.799
Percentage of Goodwill0.0
Percentage of Assets0.0
Percentage of Assets srt:ScenarioPreviouslyReported sbcf:FirstBankOfThePalmBeaches0.0

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
Value1719202122232516171819161613141516118.5948.9916.8247.1397.4540.130.3260.5220.7180.9141.1091.3051.5011.6971.8922.0882.2892.5012.7133.137
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 Assets0.20.30.30.30.30.40.40.30.30.30.30.30.30.30.30.30.40.30.20.30.20.20.20.00.00.00.00.00.10.10.10.10.10.10.10.10.10.2

None

us-gaap:OtherAssetsNoncurrent

us-gaap:OtherAssetsNoncurrent


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302010-12-31
Value1531451411291331281281029794110959284836654474310299100105928892959352525452555155505362
Percentage of OtherAssetsNoncurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets1.92.02.01.92.01.91.91.71.71.61.91.81.71.81.81.51.21.21.23.03.13.13.43.93.94.04.24.32.42.42.52.52.62.42.62.52.63.1

None

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

us-gaap:EquitySecuritiesFvNi

us-gaap:FairValueInputsLevel1, us-gaap:FairValueMeasurementsRecurring


None
Period End2020-06-302019-12-31
Value6548000.06392000.0
Percentage of EquitySecuritiesFvNi100.0100.0
Percentage of Assets0.10.1
Percentage of Assets us-gaap:FairValueInputsLevel1 us-gaap:FairValueMeasurementsRecurring0.00.0

us-gaap:EquitySecuritiesFvNi us-gaap:FairValueByMeasurementFrequency

us-gaap:FairValueMeasurementsRecurring


None
Period End2020-06-302019-12-31
Value6548000.06392000.0
Percentage of EquitySecuritiesFvNi100.0100.0
Percentage of Assets0.10.1
Percentage of Assets us-gaap:FairValueMeasurementsRecurring0.00.0

us-gaap:EquitySecuritiesFvNi us-gaap:FinancialInstrument

sbcf:CRAQualifiedDebtSecurities


None
Period End2020-06-30
Value6500000.0
Percentage of EquitySecuritiesFvNi99.3
Percentage of Assets0.1
Percentage of Assets sbcf:CRAQualifiedDebtSecurities0.0

None

us-gaap:OtherLiabilitiesNoncurrent

us-gaap:OtherLiabilitiesNoncurrent


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302010-12-31
Value88726563605941333329303195333225494644171415159.2628.9088.0699.3719.061197.8929.0099.0158.3787.7668.6958.7982311
Percentage of OtherLiabilitiesNoncurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets1.11.00.90.90.90.90.60.60.60.50.50.61.80.70.70.61.11.21.30.50.40.50.50.40.40.30.40.40.90.40.40.40.40.40.40.41.10.5

None

us-gaap:StockholdersEquity

us-gaap:StockholdersEquity


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302010-12-31
Value1030991985962930896864732716701689594577502435435425413353350326321312235234228198203161166165167165170170170171166
Percentage of StockholdersEquity100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets12.713.513.914.013.613.212.812.412.111.911.911.110.910.59.39.69.710.310.010.410.110.010.110.010.29.98.89.57.47.67.68.07.97.98.08.38.28.2

us-gaap:StockholdersEquity us-gaap:StatementEquityComponents

us-gaap:AccumulatedOtherComprehensiveIncome


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-31
Value174.7594.465105.27-4.217-13.06-18.865-16.344-12.11-4.216-7.513-6.213-4.827-10.3443.1385.2281.833
Percentage of StockholdersEquity1.70.50.51.10.6-0.5-1.5-2.6-2.3-1.7-0.6-1.7-1.8-1.5-5.21.93.11.1
Percentage of Assets0.20.10.10.10.1-0.1-0.2-0.3-0.3-0.2-0.1-0.2-0.2-0.2-0.50.10.20.1
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 End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-31
Value811809786784782780778668665663661454399379277230229229
Percentage of StockholdersEquity78.781.679.881.584.287.190.191.393.094.695.9104.3112.9121.3139.6139.2135.0137.7
Percentage of Assets10.011.011.111.411.511.511.511.311.211.211.49.711.312.312.210.610.711.4
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 End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-31
Value5.2995.2715.1515.1485.1465.1415.1364.7274.7164.6984.6933.8023.4353.32.3641.8971.8941.87
Percentage of StockholdersEquity0.50.50.50.50.60.60.60.60.70.70.70.91.01.11.21.11.11.1
Percentage of Assets0.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.1
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:RetainedEarnings


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-31
Value2041791951681431199781644729-13.657-42.858-65.0-70.695-118.611-114.152-112.652
Percentage of StockholdersEquity19.918.119.917.515.413.411.211.19.06.84.3-3.1-12.1-20.8-35.6-71.6-67.1-67.7
Percentage of Assets2.52.42.82.42.11.81.41.41.10.80.5-0.3-1.2-2.1-3.1-5.5-5.3-5.6
Percentage of Assets us-gaap:RetainedEarnings0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:TreasuryStock


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-31
Value-8.037-7.422-6.032-6.079-6.137-4.959-3.384-2.854-2.884-2.279-2.359-1.236-0.073-0.071-0.011-0.062-0.013-0.001
Percentage of StockholdersEquity-0.8-0.7-0.6-0.6-0.7-0.6-0.4-0.4-0.4-0.3-0.3-0.3-0.0-0.0-0.0-0.0-0.0-0.0
Percentage of Assets-0.1-0.1-0.1-0.1-0.1-0.1-0.1-0.0-0.0-0.0-0.0-0.0-0.0-0.0-0.0-0.0-0.0-0.0
Percentage of Assets us-gaap:TreasuryStock0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

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
Value5299000.05271000.05151000.05148000.05146000.05141000.05136000.04727000.04716000.04698000.04693000.04351000.04339000.04075000.03802000.03799000.03799000.03792000.03435000.03435000.03300000.03300000.03300000.02600000.02599000.02599000.02364000.09492000.09487000.09485000.09484000.09481000.09477000.09474000.09469000.09470000.09354000.09349000.0
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 Assets0.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.40.40.40.40.50.40.40.40.50.40.5

None

us-gaap:StockIssuedDuringPeriodValueNewIssues

us-gaap:StockIssuedDuringPeriodValueNewIssues


None
Period End2020-06-302020-03-312013-11-30
Value0.02175
Percentage of StockIssuedDuringPeriodValueNewIssues0.0100.0100.0
Percentage of Assets0.00.00.0

us-gaap:StockIssuedDuringPeriodValueNewIssues us-gaap:StatementEquityComponents

us-gaap:AdditionalPaidInCapital


None
Period End2020-06-302020-03-31
Value0.020
Percentage of StockIssuedDuringPeriodValueNewIssues0.099.5
Percentage of Assets0.00.0
Percentage of Assets us-gaap:AdditionalPaidInCapital0.00.0

us-gaap:CommonStock


None
Period End2020-06-302020-03-31
Value0.00.104
Percentage of StockIssuedDuringPeriodValueNewIssues0.00.5
Percentage of Assets0.00.0
Percentage of Assets us-gaap:CommonStock0.00.0

None

us-gaap:AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue

us-gaap:AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value1523000.02000000.01471000.01745000.01899000.02129000.02221000.01980000.02167000.01455000.0
Percentage of AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.00.00.00.00.00.00.00.00.00.0

us-gaap:AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue us-gaap:StatementEquityComponents

us-gaap:AdditionalPaidInCapital


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value1523000.02000000.01471000.01745000.01899000.02129000.02221000.01980000.02167000.01455000.0
Percentage of AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.00.00.00.00.00.00.00.00.00.0
Percentage of Assets us-gaap:AdditionalPaidInCapital0.00.00.00.00.00.00.00.00.00.0

None

us-gaap:NetCashProvidedByUsedInOperatingActivities

us-gaap:NetCashProvidedByUsedInOperatingActivities


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-30
Value5.742442252920232329530.466229.37416193.926181016-4.277-1.8752.3431.7474.887-1.3386.9713-0.560.51
Percentage of NetCashProvidedByUsedInOperatingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of InterestAndDividendIncomeOperating7.833.80.035.540.627.70.039.351.297.10.044.519.841.10.00.0103.759.395.60.0-10.512.89.00.0-6.634.465.60.02.4

None

us-gaap:NetCashProvidedByUsedInInvestingActivities

us-gaap:NetCashProvidedByUsedInInvestingActivities


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312014-09-302013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-30
Value-472.658109-242.647-83.778-79.3928410-41.618-34.489-109.23659-111.753-134.493-58.729-236.027-164.842-40.83816-72.4437.879-86.777-17.2553.61871-41.273-25.995-50.517-63.084-25.242-19.189
Percentage of NetCashProvidedByUsedInInvestingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of InterestAndDividendIncomeOperating-645.5149.40.0-115.0-109.9116.60.0-70.4-60.8-196.90.0-223.2-283.8-144.00.0-891.50.089.4-413.745.10.0-96.819.8372.10.0-128.2-249.0-312.80.0-92.1

None

us-gaap:NetCashProvidedByUsedInFinancingActivities

us-gaap:NetCashProvidedByUsedInFinancingActivities


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312014-09-302013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-30
Value67656192305.817-16.499-23.308-8.0581.10181-75.639106887715865120-66.871-24.8752793-27.787-58.363186-22.673-17.16535-92.364
Percentage of NetCashProvidedByUsedInFinancingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of InterestAndDividendIncomeOperating923.777.50.041.78.1-22.80.0-13.61.9147.30.0212.7186.7189.20.0355.90.0-367.9-142.0157.50.0-155.9-318.8161.30.0-111.8-84.3327.20.0-443.2

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
Value209190-7.729-27.519-44.2328810-26.427-4.33826
Percentage of CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of InterestAndDividendIncomeOperating286.0260.80.0-37.8-61.2121.50.0-44.7-7.647.5

None

us-gaap:NetCashProvidedByUsedInOperatingActivities

us-gaap:NetCashProvidedByUsedInOperatingActivities


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-30
Value5.742442252920232329530.466229.37416193.926181016-4.277-1.8752.3431.7474.887-1.3386.9713-0.560.51
Percentage of NetCashProvidedByUsedInOperatingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of InterestAndDividendIncomeOperating7.833.80.035.540.627.70.039.351.297.10.044.519.841.10.00.0103.759.395.60.0-10.512.89.00.0-6.634.465.60.02.4

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
Value250.709272523221516161813147.6767.926109.1335.3323.9666.0364.4415.8055.859-1.5172.9961.9182.2991.85452.9542.0440.240.447-2.3350.9382.5482.6481.1130.358-10.205-7.638-13.796
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 InterestAndDividendIncomeOperating34.31.00.035.232.231.30.027.629.932.50.028.416.219.40.023.114.612.30.014.421.221.40.016.210.713.10.0248.316.911.70.02.5-12.84.80.013.15.51.80.0-36.7-65.5

None

us-gaap:DeferredIncomeTaxExpenseBenefit

us-gaap:DeferredIncomeTaxExpenseBenefit


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-31
Value-5.5352.2072.3490.7062.521.216-5.2161.116-0.1484.707207.7393.4783.865.0994.2212.4632.423
Percentage of DeferredIncomeTaxExpenseBenefit100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

None

us-gaap:ShareBasedCompensation

us-gaap:ShareBasedCompensation


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-31
Value1524000.02000000.01470000.01746000.01898000.02129000.02220000.01981000.02168000.01454000.01480000.01247000.01225000.01315000.0879000.01468000.01134000.0673000.0
Percentage of ShareBasedCompensation100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

None

us-gaap:NetCashProvidedByUsedInInvestingActivities

us-gaap:NetCashProvidedByUsedInInvestingActivities


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312014-09-302013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-30
Value-472.658109-242.647-83.778-79.3928410-41.618-34.489-109.23659-111.753-134.493-58.729-236.027-164.842-40.83816-72.4437.879-86.777-17.2553.61871-41.273-25.995-50.517-63.084-25.242-19.189
Percentage of NetCashProvidedByUsedInInvestingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of InterestAndDividendIncomeOperating-645.5149.40.0-115.0-109.9116.60.0-70.4-60.8-196.90.0-223.2-283.8-144.00.0-891.50.089.4-413.745.10.0-96.819.8372.10.0-128.2-249.0-312.80.0-92.1

None

us-gaap:NetCashProvidedByUsedInFinancingActivities

us-gaap:NetCashProvidedByUsedInFinancingActivities


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312014-09-302013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-30
Value67656192305.817-16.499-23.308-8.0581.10181-75.639106887715865120-66.871-24.8752793-27.787-58.363186-22.673-17.16535-92.364
Percentage of NetCashProvidedByUsedInFinancingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of InterestAndDividendIncomeOperating923.777.50.041.78.1-22.80.0-13.61.9147.30.0212.7186.7189.20.0355.90.0-367.9-142.0157.50.0-155.9-318.8161.30.0-111.8-84.3327.20.0-443.2

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
Value524314124132159204115105131135109109
Percentage of CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

sbcf:AdditionsToBankPremisesAndEquipment

sbcf:AdditionsToBankPremisesAndEquipment


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-30
Value310000.0570000.0269000.0769000.0636000.0849000.0462000.01082000.01187000.01288000.01463000.01268000.01282000.01697000.0955000.04966000.0-660000.0793000.0625000.01815000.02732000.03919000.03382000.0988000.0415000.01298000.0584000.0329000.01071000.0833000.0891000.0615000.01764000.0569000.0309000.0393000.089000.0279000.0117000.0167000.0
Percentage of AdditionsToBankPremisesAndEquipment100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

sbcf:BusinessAcquisitionPerShareExchangeRatio us-gaap:BusinessAcquisition

sbcf:BusinessAcquisitionPerShareExchangeRatio

sbcf:FirstBankOfThePalmBeaches


None
Period End2020-03-13
Value0.2
Percentage of BusinessAcquisitionPerShareExchangeRatio100.0

sbcf:FederalDepositInsuranceCorporationAssessment

sbcf:FederalDepositInsuranceCorporationAssessment


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-30
Value266000.00056000.0337000.0488000.0571000.0431000.0595000.0598000.0558000.0548000.0650000.0570000.0661000.0517000.0643000.0544000.0551000.0552000.0
Percentage of FederalDepositInsuranceCorporationAssessment100.00.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

sbcf:FurnitureAndEquipmentExpense

sbcf:FurnitureAndEquipmentExpense


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-30
Value1358000.01623000.01416000.01528000.01544000.01757000.02452000.01367000.01468000.01457000.01806000.01191000.01679000.01391000.01211000.01228000.01283000.0998000.01000000.0883000.0
Percentage of FurnitureAndEquipmentExpense100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

sbcf:GainsLossesOnForeclosedPropertiesInOtherRealEstate

sbcf:GainsLossesOnForeclosedPropertiesInOtherRealEstate


None
Period End2020-06-302020-03-312019-06-302019-03-31
Value-245000.0315000.0174000.040000.0
Percentage of GainsLossesOnForeclosedPropertiesInOtherRealEstate100.0100.0100.0100.0

sbcf:InterchangeIncome

sbcf:InterchangeIncome


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-30
Value3.1873.2463.3873.2063.4053.4013.1983.1193.0762.9422.8362.5822.6712.4942.3342.3062.372.2171.9891.925
Percentage of InterchangeIncome100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

sbcf:InterestOnFederalFundsSoldAndInterestBearingDeposits

sbcf:InterestOnFederalFundsSoldAndInterestBearingDeposits


None
Period End2020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-30
Value684000.0734000.0800000.0873000.0918000.0634000.0585000.0616000.0664000.0604000.0
Percentage of InterestOnFederalFundsSoldAndInterestBearingDeposits100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

sbcf:MarineFinanceRevenues

sbcf:MarineFinanceRevenues


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-30
Value157000.0146000.0339000.0152000.0201000.0362000.0185000.0194000.0446000.0
Percentage of MarineFinanceRevenues100.0100.0100.0100.0100.0100.0100.0100.0100.0

sbcf:NonInterestIncomeExcludingGainLossOnLoansSaleAndInvestments

sbcf:NonInterestIncomeExcludingGainLossOnLoansSaleAndInvestments


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-31
Value131413141412131212121111109.9059.9229.7649.1118.637.7828.0828.8467.3087.1416.1495.8965.558
Percentage of NonInterestIncomeExcludingGainLossOnLoansSaleAndInvestments100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

sbcf:NoninterestIncomeOthers

sbcf:NoninterestIncomeOthers


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-30
Value2.1473.3522.5783.1982.5032.2663.3292.4532.6712.3731.751.7441.6241.1731.060.9631.0650.7390.6070.666
Percentage of NoninterestIncomeOthers100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

sbcf:OperatingLeaseLiabilityInitialRecognition

sbcf:OperatingLeaseLiabilityInitialRecognition


None
Period End2020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-31
Value0.0190.0330.3530.0330.00.00.0
Percentage of OperatingLeaseLiabilityInitialRecognition100.0100.0100.00.0100.00.00.00.0

sbcf:OperatingLeaseRightOfUseAssetAmortization

sbcf:OperatingLeaseRightOfUseAssetAmortization


None
Period End2020-06-302020-03-312019-09-302019-06-302019-03-312018-09-30
Value1089000.01274000.01027000.01016000.01025000.00
Percentage of OperatingLeaseRightOfUseAssetAmortization100.0100.0100.0100.0100.00.0

sbcf:OperatingLeaseRightOfUseAssetsInitialRecognition

sbcf:OperatingLeaseRightOfUseAssetsInitialRecognition


None
Period End2020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-31
Value0.0190.0330.3530.0290.00.00.0
Percentage of OperatingLeaseRightOfUseAssetsInitialRecognition100.0100.0100.00.0100.00.00.00.0

sbcf:OtherAccretionAmortizationNet

sbcf:OtherAccretionAmortizationNet


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value-1165000.01531000.091000.0282000.0822000.0810000.01343000.040000.0-631000.0406000.0351000.0-83000.0
Percentage of OtherAccretionAmortizationNet100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

sbcf:OtherComprehensiveIncomeLossTransfersfromAvailableforSaletoHeldtomaturitySecuritiesBeforeTax

sbcf:OtherComprehensiveIncomeLossTransfersfromAvailableforSaletoHeldtomaturitySecuritiesBeforeTax


None
Period End2020-06-302020-03-312019-06-302019-03-31
Value59000.059000.072000.071000.0
Percentage of OtherComprehensiveIncomeLossTransfersfromAvailableforSaletoHeldtomaturitySecuritiesBeforeTax100.0100.0100.0100.0

sbcf:ProceedsFromLoansFederalHomeLoanBanksMaturitiesGreaterThanThreeMonths

sbcf:ProceedsFromLoansFederalHomeLoanBanksMaturitiesGreaterThanThreeMonths


None
Period End2020-06-302020-03-312019-09-302019-06-302019-03-312018-09-30
Value151200.00.00.00.0
Percentage of ProceedsFromLoansFederalHomeLoanBanksMaturitiesGreaterThanThreeMonths100.0100.00.00.00.00.0

sbcf:ProceedsFromSaleAndMaturityOfTimeDepositsHeldWithOtherBanks

sbcf:ProceedsFromSaleAndMaturityOfTimeDepositsHeldWithOtherBanks


None
Period End2020-06-302020-03-312019-06-302019-03-31
Value1246000.003194000.069000.0
Percentage of ProceedsFromSaleAndMaturityOfTimeDepositsHeldWithOtherBanks100.00.0100.0100.0

sbcf:RepaymentsOfLoansFederalHomeLoanBanksMaturitiesGreaterThanThreeMonths

sbcf:RepaymentsOfLoansFederalHomeLoanBanksMaturitiesGreaterThanThreeMonths


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-30
Value0.00.00.00.00.0630.00.0
Percentage of RepaymentsOfLoansFederalHomeLoanBanksMaturitiesGreaterThanThreeMonths0.00.00.00.00.0100.00.00.0

sbcf:SaleOfLoansDesignatedHeldForSale

sbcf:SaleOfLoansDesignatedHeldForSale


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-31
Value1086610588845487658983494866464849473939526735
Percentage of SaleOfLoansDesignatedHeldForSale100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

sbcf:SmallBusinessAdministrationGains

sbcf:SmallBusinessAdministrationGains


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value181000.0139000.0576000.0569000.0691000.0636000.0519000.0473000.0748000.0734000.0
Percentage of SmallBusinessAdministrationGains100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

sbcf:TransferFromLoansToOtherRealEstateOwned

sbcf:TransferFromLoansToOtherRealEstateOwned


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-30
Value0.6155.5710.05.110.1250.431.2780.0640.2883.9191.3260.00.4480.00.0130.1910.2622.5430.3183.3080.980.6493.1170.0140.7350.9231.780.6831.7610.8635.7933.3952.9151.9644.0391.092272.4165.38912
Percentage of TransferFromLoansToOtherRealEstateOwned100.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

sbcf:TransferOfDebtSecuritiesFromHeldToMaturityToAvailableForSale

sbcf:TransferOfDebtSecuritiesFromHeldToMaturityToAvailableForSale


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-30
Value0.00.00.00.00.0520.00.0
Percentage of TransferOfDebtSecuritiesFromHeldToMaturityToAvailableForSale0.00.00.00.00.0100.00.00.0

us-gaap:AccretionAmortizationOfDiscountsAndPremiumsInvestments

us-gaap:AccretionAmortizationOfDiscountsAndPremiumsInvestments


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-09-302013-06-302013-03-31
Value-757000.0-989000.0-672000.0-653000.0-598000.0-625000.0-629000.0-835000.0-990000.0-742000.0-1113000.0-1026000.0-782000.0-1056000.0-1178000.0-3996000.0-1364000.0-1021000.0-859000.0-1089000.0-1013000.0-959000.0-859000.0-531000.0-462000.0-501000.0-890000.0-1200000.0-1298000.0
Percentage of AccretionAmortizationOfDiscountsAndPremiumsInvestments100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:AllowanceForLoanAndLeaseLossesAdjustmentsNet

us-gaap:AllowanceForLoanAndLeaseLossesAdjustmentsNet


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-30
Value21000.024000.027000.040000.027000.035000.035000.036000.033000.088000.0-601000.0169000.064000.049000.0-407000.083000.0
Percentage of AllowanceForLoanAndLeaseLossesAdjustmentsNet100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:AllowanceForLoanAndLeaseLossesAdjustmentsNet us-gaap:FinancingReceivablePortfolioSegment

sbcf:CommercialRealEstatePortfolioSegmentOwnerOccupied


None
Period End2020-06-302020-03-31
Value12000.013000.0
Percentage of AllowanceForLoanAndLeaseLossesAdjustmentsNet57.154.2

sbcf:CoronavirusAidReliefAndEconomicSecurityActPaycheckProtectionProgramLoan


None
Period End2020-06-30
Value0
Percentage of AllowanceForLoanAndLeaseLossesAdjustmentsNet0.0

us-gaap:ResidentialPortfolioSegment


None
Period End2020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-31
Value8000.010000.020000.011000.019000.019000.017000.072000.0
Percentage of AllowanceForLoanAndLeaseLossesAdjustmentsNet38.141.750.040.754.352.851.581.8

us-gaap:AssetsFairValueAdjustment us-gaap:AssetsSoldUnderAgreementsToRepurchase, us-gaap:BusinessAcquisition

us-gaap:AssetsFairValueAdjustment

us-gaap:Loans, sbcf:BankSharesInc


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value-4.032-3.0-3.6-3.94333-2.1-1.9171.90.13.611
Percentage of AssetsFairValueAdjustment100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:AssetsFairValueAdjustment us-gaap:AssetsSoldUnderAgreementsToRepurchase, us-gaap:BusinessAcquisition, us-gaap:CreditLossStatus

us-gaap:Loans, sbcf:BankSharesInc, us-gaap:FinancialAssetAcquiredAndNoCreditDeterioration


None
Period End2020-06-302020-03-31
Value-4.031
Percentage of AssetsFairValueAdjustment100.097.0

us-gaap:Loans, sbcf:BankSharesInc, us-gaap:FinancialAssetAcquiredWithCreditDeterioration


None
Period End2020-06-302020-03-31
Value0.01.0
Percentage of AssetsFairValueAdjustment-0.03.0

us-gaap:BankOwnedLifeInsuranceIncome

us-gaap:BankOwnedLifeInsuranceIncome


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-30
Value887000.0886000.0904000.0928000.0927000.0915000.01091000.01078000.01066000.01056000.01100000.0836000.0757000.0733000.0611000.0382000.0379000.0841000.0396000.0366000.0
Percentage of BankOwnedLifeInsuranceIncome100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:BusinessAcquisitionProFormaEarningsPerShareBasic

us-gaap:BusinessAcquisitionProFormaEarningsPerShareBasic


None
Period End2020-06-302020-03-312019-06-302019-03-312018-12-312018-09-302018-06-302017-12-312017-09-302017-06-302016-09-302015-09-302015-06-30
Value0.470.020.460.430.350.410.420.430.350.250.220.130.17
Percentage of BusinessAcquisitionProFormaEarningsPerShareBasic100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:BusinessAcquisitionProFormaEarningsPerShareDiluted

us-gaap:BusinessAcquisitionProFormaEarningsPerShareDiluted


None
Period End2020-06-302020-03-312019-06-302019-03-312018-12-312018-09-302018-06-302017-12-312017-09-302017-06-302016-09-302015-09-302015-06-30
Value0.470.020.450.420.340.40.410.420.350.250.220.130.17
Percentage of BusinessAcquisitionProFormaEarningsPerShareDiluted100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:BusinessAcquisitionsProFormaNetIncomeLoss

us-gaap:BusinessAcquisitionsProFormaNetIncomeLoss


None
Period End2020-06-302020-03-312019-06-302019-03-312018-12-312018-09-302018-06-302017-12-312017-09-302017-06-302016-09-302015-09-302015-06-30
Value251.17223221721212516118.2894.8056.345
Percentage of BusinessAcquisitionsProFormaNetIncomeLoss100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:BusinessAcquisitionsProFormaRevenue

us-gaap:BusinessAcquisitionsProFormaRevenue


None
Period End2020-06-302020-03-312019-06-302019-03-312018-12-312018-09-302018-06-302017-12-312017-09-302017-06-302016-09-302015-09-302015-06-30
Value67646162645958765145373228
Percentage of BusinessAcquisitionsProFormaRevenue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:Communication

us-gaap:Communication


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-30
Value791000.0714000.0651000.0603000.0893000.0811000.0602000.0624000.0643000.0612000.0538000.0573000.0648000.0532000.0502000.0539000.0539000.0528000.0412000.0446000.0
Percentage of Communication100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DebtSecuritiesAvailableForSaleRealizedGain

us-gaap:DebtSecuritiesAvailableForSaleRealizedGain


None
Period End2020-06-302020-03-312019-06-302019-03-31
Value2300000.0100000.00200000.0
Percentage of DebtSecuritiesAvailableForSaleRealizedGain100.0100.00.0100.0

us-gaap:DebtSecuritiesAvailableForSaleRealizedLoss

us-gaap:DebtSecuritiesAvailableForSaleRealizedLoss


None
Period End2020-06-302020-03-312019-09-302019-06-302019-03-31
Value1100000.0200000.0900000.0600000.0300000.0
Percentage of DebtSecuritiesAvailableForSaleRealizedLoss100.0100.0100.0100.0100.0

us-gaap:Depreciation

us-gaap:Depreciation


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-30
Value1520000.01511000.01522000.01591000.01639000.01669000.01662000.01557000.01566000.01568000.01653000.01284000.01336000.01341000.01302000.01539000.01171000.01064000.01051000.01014000.0892000.0816000.0872000.0820000.0819000.0757000.0731000.0705000.0671000.0669000.0716000.0773000.0670000.0668000.0678000.0686000.0713000.0753000.0761000.0766000.0
Percentage of Depreciation100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:FinancingReceivableAllowanceForCreditLossPurchasedWithCreditDeteriorationIncrease

us-gaap:FinancingReceivableAllowanceForCreditLossPurchasedWithCreditDeteriorationIncrease


None
Period End2020-06-302020-03-31
Value0516000.0
Percentage of FinancingReceivableAllowanceForCreditLossPurchasedWithCreditDeteriorationIncrease0.0100.0

us-gaap:FinancingReceivableAllowanceForCreditLossPurchasedWithCreditDeteriorationIncrease us-gaap:FinancingReceivablePortfolioSegment

sbcf:CommercialRealEstatePortfolioSegmentNonOwnerOccupied


None
Period End2020-06-302020-03-31
Value0140000.0
Percentage of FinancingReceivableAllowanceForCreditLossPurchasedWithCreditDeteriorationIncrease0.027.1

sbcf:CommercialRealEstatePortfolioSegmentOwnerOccupied


None
Period End2020-06-302020-03-31
Value0207000.0
Percentage of FinancingReceivableAllowanceForCreditLossPurchasedWithCreditDeteriorationIncrease0.040.1

sbcf:ConstructionAndLandDevelopmentPortfolioSegment


None
Period End2020-06-302020-03-31
Value048000.0
Percentage of FinancingReceivableAllowanceForCreditLossPurchasedWithCreditDeteriorationIncrease0.09.3

us-gaap:CommercialPortfolioSegment


None
Period End2020-06-302020-03-31
Value011000.0
Percentage of FinancingReceivableAllowanceForCreditLossPurchasedWithCreditDeteriorationIncrease0.02.1

us-gaap:ConsumerPortfolioSegment


None
Period End2020-06-302020-03-31
Value013000.0
Percentage of FinancingReceivableAllowanceForCreditLossPurchasedWithCreditDeteriorationIncrease0.02.5

us-gaap:ResidentialPortfolioSegment


None
Period End2020-06-302020-03-31
Value097000.0
Percentage of FinancingReceivableAllowanceForCreditLossPurchasedWithCreditDeteriorationIncrease0.018.8

us-gaap:FinancingReceivableAllowanceForCreditLossesRecovery

us-gaap:FinancingReceivableAllowanceForCreditLossesRecovery


None
Period End2020-06-302020-03-312019-06-302019-03-31
Value744000.0673000.0803000.0516000.0
Percentage of FinancingReceivableAllowanceForCreditLossesRecovery100.0100.0100.0100.0

us-gaap:FinancingReceivableAllowanceForCreditLossesRecovery us-gaap:FinancingReceivablePortfolioSegment

sbcf:CommercialRealEstatePortfolioSegmentNonOwnerOccupied


None
Period End2020-06-302020-03-31
Value4000.028000.0
Percentage of FinancingReceivableAllowanceForCreditLossesRecovery0.54.2

sbcf:CommercialRealEstatePortfolioSegmentOwnerOccupied


None
Period End2020-06-302020-03-31
Value18000.00
Percentage of FinancingReceivableAllowanceForCreditLossesRecovery2.40.0

sbcf:ConstructionAndLandDevelopmentPortfolioSegment


None
Period End2020-06-302020-03-312019-06-302019-03-31
Value37000.029000.03000.04000.0
Percentage of FinancingReceivableAllowanceForCreditLossesRecovery5.04.30.40.8

sbcf:CoronavirusAidReliefAndEconomicSecurityActPaycheckProtectionProgramLoan


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

us-gaap:CommercialPortfolioSegment


None
Period End2020-06-302020-03-312019-06-302019-03-31
Value493000.0420000.0106000.079000.0
Percentage of FinancingReceivableAllowanceForCreditLossesRecovery66.362.413.215.3

us-gaap:ConsumerPortfolioSegment


None
Period End2020-06-302020-03-312019-06-302019-03-31
Value91000.080000.078000.0247000.0
Percentage of FinancingReceivableAllowanceForCreditLossesRecovery12.211.99.747.9

us-gaap:ResidentialPortfolioSegment


None
Period End2020-06-302020-03-312019-06-302019-03-31
Value101000.0116000.051000.0139000.0
Percentage of FinancingReceivableAllowanceForCreditLossesRecovery13.617.26.426.9

us-gaap:FinancingReceivableAllowanceForCreditLossesWriteOffs

us-gaap:FinancingReceivableAllowanceForCreditLossesWriteOffs


None
Period End2020-06-302020-03-312019-06-302019-03-31
Value2495000.01647000.02644000.01479000.0
Percentage of FinancingReceivableAllowanceForCreditLossesWriteOffs100.0100.0100.0100.0

us-gaap:FinancingReceivableAllowanceForCreditLossesWriteOffs us-gaap:FinancingReceivablePortfolioSegment

sbcf:CommercialRealEstatePortfolioSegmentNonOwnerOccupied


None
Period End2020-06-302020-03-31
Value012000.0
Percentage of FinancingReceivableAllowanceForCreditLossesWriteOffs0.00.7

sbcf:CommercialRealEstatePortfolioSegmentOwnerOccupied


None
Period End2020-06-302020-03-31
Value044000.0
Percentage of FinancingReceivableAllowanceForCreditLossesWriteOffs0.02.7

sbcf:ConstructionAndLandDevelopmentPortfolioSegment


None
Period End2020-06-302020-03-312019-06-302019-03-31
Value001000.00
Percentage of FinancingReceivableAllowanceForCreditLossesWriteOffs0.00.00.00.0

sbcf:CoronavirusAidReliefAndEconomicSecurityActPaycheckProtectionProgramLoan


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

us-gaap:CommercialPortfolioSegment


None
Period End2020-06-302020-03-312019-06-302019-03-31
Value1768000.01100000.01881000.0944000.0
Percentage of FinancingReceivableAllowanceForCreditLossesWriteOffs70.966.871.163.8

us-gaap:ConsumerPortfolioSegment


None
Period End2020-06-302020-03-312019-06-302019-03-31
Value614000.0473000.0734000.0483000.0
Percentage of FinancingReceivableAllowanceForCreditLossesWriteOffs24.628.727.832.7

us-gaap:ResidentialPortfolioSegment


None
Period End2020-06-302020-03-312019-06-302019-03-31
Value113000.018000.028000.036000.0
Percentage of FinancingReceivableAllowanceForCreditLossesWriteOffs4.51.11.12.4

us-gaap:FinancingReceivableModificationsNumberOfContracts2

us-gaap:FinancingReceivableModificationsNumberOfContracts2


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302013-12-312013-09-30
Value3.05.02.03.02.02.03.01.01.00001.01.0-1.004.02.02.01.02.02.02.02.04.07.0
Percentage of FinancingReceivableModificationsNumberOfContracts2100.0100.0100.0100.0100.0100.0100.0100.0100.00.00.00.0100.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:FinancingReceivableModificationsNumberOfContracts2 us-gaap:FinancingReceivablePortfolioSegment

sbcf:CommercialRealEstatePortfolioSegmentOwnerOccupied


None
Period End2020-06-302020-03-312019-06-302019-03-31
Value001.01.0
Percentage of FinancingReceivableModificationsNumberOfContracts20.00.050.050.0

sbcf:ConstructionAndLandDevelopmentPortfolioSegment


None
Period End2020-06-302020-03-312019-06-302019-03-31
Value1.0000
Percentage of FinancingReceivableModificationsNumberOfContracts233.30.00.00.0

us-gaap:CommercialPortfolioSegment


None
Period End2020-06-302020-03-312019-06-302019-03-31
Value04.001.0
Percentage of FinancingReceivableModificationsNumberOfContracts20.080.00.050.0

us-gaap:ConsumerPortfolioSegment


None
Period End2020-06-302020-03-312019-06-302019-03-31
Value2.001.00
Percentage of FinancingReceivableModificationsNumberOfContracts266.70.050.00.0

us-gaap:ResidentialPortfolioSegment


None
Period End2020-06-302020-03-312019-06-302019-03-31
Value01.000
Percentage of FinancingReceivableModificationsNumberOfContracts20.020.00.00.0

us-gaap:FinancingReceivableModificationsPostModificationRecordedInvestment2

us-gaap:FinancingReceivableModificationsPostModificationRecordedInvestment2


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302013-12-312013-09-30
Value59000.0482000.0700000.01600000.0400000.01995000.0200000.0100000.0100000.000015000.046000.0-452000.001019000.0470000.0219000.0900000.070000.0859000.088000.00518000.02329000.0
Percentage of FinancingReceivableModificationsPostModificationRecordedInvestment2100.0100.0100.0100.0100.0100.0100.0100.0100.00.00.00.0100.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0

us-gaap:FinancingReceivableModificationsPostModificationRecordedInvestment2 us-gaap:FinancingReceivablePortfolioSegment

sbcf:CommercialRealEstatePortfolioSegmentOwnerOccupied


None
Period End2020-06-302020-03-312019-06-302019-03-31
Value00351000.0180000.0
Percentage of FinancingReceivableModificationsPostModificationRecordedInvestment20.00.087.89.0

sbcf:ConstructionAndLandDevelopmentPortfolioSegment


None
Period End2020-06-302020-03-312019-06-302019-03-31
Value12000.0000
Percentage of FinancingReceivableModificationsPostModificationRecordedInvestment220.30.00.00.0

us-gaap:CommercialPortfolioSegment


None
Period End2020-06-302020-03-312019-06-302019-03-31
Value0437000.001815000.0
Percentage of FinancingReceivableModificationsPostModificationRecordedInvestment20.090.70.091.0

us-gaap:ConsumerPortfolioSegment


None
Period End2020-06-302020-03-312019-06-302019-03-31
Value47000.0019000.00
Percentage of FinancingReceivableModificationsPostModificationRecordedInvestment279.70.04.80.0

us-gaap:ResidentialPortfolioSegment


None
Period End2020-06-302020-03-312019-06-302019-03-31
Value045000.000
Percentage of FinancingReceivableModificationsPostModificationRecordedInvestment20.09.30.00.0

us-gaap:FinancingReceivableModificationsPreModificationRecordedInvestment2

us-gaap:FinancingReceivableModificationsPreModificationRecordedInvestment2


None
Period End2020-06-302020-03-312019-06-302019-03-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302013-12-312013-09-30
Value59000.0482000.0370000.01995000.0098000.000015000.052000.0-471000.001169000.0491000.0221000.01000000.074000.0911000.090000.00561000.02580000.0
Percentage of FinancingReceivableModificationsPreModificationRecordedInvestment2100.0100.0100.0100.00.0100.00.00.00.0100.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0

us-gaap:FinancingReceivableModificationsPreModificationRecordedInvestment2 us-gaap:FinancingReceivablePortfolioSegment

sbcf:CommercialRealEstatePortfolioSegmentOwnerOccupied


None
Period End2020-06-302020-03-312019-06-302019-03-31
Value00351000.0180000.0
Percentage of FinancingReceivableModificationsPreModificationRecordedInvestment20.00.094.99.0

sbcf:ConstructionAndLandDevelopmentPortfolioSegment


None
Period End2020-06-302020-03-312019-06-302019-03-31
Value12000.0000
Percentage of FinancingReceivableModificationsPreModificationRecordedInvestment220.30.00.00.0

us-gaap:CommercialPortfolioSegment


None
Period End2020-06-302020-03-312019-06-302019-03-31
Value0437000.001815000.0
Percentage of FinancingReceivableModificationsPreModificationRecordedInvestment20.090.70.091.0

us-gaap:ConsumerPortfolioSegment


None
Period End2020-06-302020-03-312019-06-302019-03-31
Value47000.0019000.00
Percentage of FinancingReceivableModificationsPreModificationRecordedInvestment279.70.05.10.0

us-gaap:ResidentialPortfolioSegment


None
Period End2020-06-302020-03-312019-06-302019-03-31
Value045000.000
Percentage of FinancingReceivableModificationsPreModificationRecordedInvestment20.09.30.00.0

us-gaap:GainLossOnDispositionOfAssets

us-gaap:GainLossOnDispositionOfAssets


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-30
Value-1000.0-219000.0-5000.0-42000.0-672000.0208000.0-1019000.015000.0-235000.04000.0-297000.0343000.0-1887000.0-429000.0-2000.0-503000.0-1245000.0-692000.0-63000.0-119000.0-2000.01000.0-4492000.0-11000.0-2000.012000.01000.0-4000.010000.0-8000.0-594000.0-3000.0-175000.0-2000.0-3000.00-52000.0-3000.00-3000.0
Percentage of GainLossOnDispositionOfAssets100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.00.0100.0

us-gaap:GainLossOnSalesOfConsumerLoans

us-gaap:GainLossOnSalesOfConsumerLoans


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-30
Value3165000.02138000.03111000.02703000.02161000.01819000.01209000.02475000.03393000.01884000.01878000.02082000.02263000.0815000.0-267000.063000.0172000.0700000.044000.0-50000.0-41000.0749000.0-205000.0-44000.0253000.0415000.0-16000.0-331000.0-62000.0864000.0159000.0440000.054000.0163000.029000.021000.08000.085000.0-50000.099000.0
Percentage of GainLossOnSalesOfConsumerLoans100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:GainsLossesOnSalesOfOtherRealEstate

us-gaap:GainsLossesOnSalesOfOtherRealEstate


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-30
Value70000.0415000.0153000.0-129000.0221000.0187000.095000.0310000.0-297000.0-1000.054000.0445000.0-134000.0346000.0161000.096000.0201000.051000.0158000.0-263000.0-53000.0-81000.0-9000.0-156000.0-92000.0-53000.00-229000.0-498000.0-568000.0-158000.0-560000.0-791000.0-2039000.0-1254000.0-907000.0-1202000.0-449000.0-8753000.0-905000.0
Percentage of GainsLossesOnSalesOfOtherRealEstate100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:IncreaseDecreaseInDeposits

us-gaap:IncreaseDecreaseInDeposits


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-30
Value779129-88.388131-64.369428-90.559-53.93-22.1031262913711155129.177-35.29840102-51.336-4.648193903.013-14.25813107-39.697-23.5563.20479-10.116-47.8761857-20.187-4.741480.198-78.849
Percentage of IncreaseDecreaseInDeposits100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:IncreaseDecreaseInFederalFundsPurchasedAndSecuritiesSoldUnderAgreementsToRepurchaseNet

us-gaap:IncreaseDecreaseInFederalFundsPurchasedAndSecuritiesSoldUnderAgreementsToRepurchaseNet


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-30
Value27-21.39815-11.601-65.99-66.31825-11.01526-42.84573-25.405-15.549-21.09536-15.694-14.9432623-25.7262.653-63.6171062-14.4744.82616-26.596-0.7442414-17.096-9.82713293.734-12.3581635-12.788
Percentage of IncreaseDecreaseInFederalFundsPurchasedAndSecuritiesSoldUnderAgreementsToRepurchaseNet100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:IncreaseDecreaseInLoansFromOtherFederalHomeLoanBanks

us-gaap:IncreaseDecreaseInLoansFromOtherFederalHomeLoanBanks


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-30
Value-145.0-170.0200-90.0200-377.0-18.0116-63.0-3.0-178.0-6.093-113.01601541010.00.0-15.0
Percentage of IncreaseDecreaseInLoansFromOtherFederalHomeLoanBanks100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.00.0100.0

us-gaap:IncreaseDecreaseInOtherOperatingAssets

us-gaap:IncreaseDecreaseInOtherOperatingAssets


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-30
Value166.2454.0291.5642.09-2.0697.231.9494.337-23.5675.0871.766-1.023-0.3248.8334.442.859-2.0251.9080.1160.0070.455-3.1850.7150.154-0.6381.021-0.101-0.951-0.7610.1190.649-0.4630.530.485-0.4030.275-0.9420.262.088
Percentage of IncreaseDecreaseInOtherOperatingAssets100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:IncreaseDecreaseInOtherOperatingLiabilities

us-gaap:IncreaseDecreaseInOtherOperatingLiabilities


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-30
Value153.5952.5152.9020.971-10.5945.1830.463.457-0.273-18.8570.059-3.2810.647-0.4471.2422.5732.813-1.3532.598-1.1420.1352.9920.4090.807-1.5480.89-0.4971.397-1.291-0.4650.6870.938-0.5790.503-2.2952.386-0.021-0.229-0.887
Percentage of IncreaseDecreaseInOtherOperatingLiabilities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:IncrementalCommonSharesAttributableToShareBasedPaymentArrangements

us-gaap:IncrementalCommonSharesAttributableToShareBasedPaymentArrangements


None
Period End2020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-09-302014-06-302014-03-312013-09-302013-06-302013-03-312012-09-302012-06-302012-03-31
Value323000.0481000.0462000.0506000.0680000.0823950.0809210.0736560.065220.0640860.0715130.0659550.04157.0620060.0671480.0604090.010215.0286360.0255500.0164170.0138100.0171300.0167140.01460600.0709140.0678940.0704340.0785090.0776780.0
Percentage of IncrementalCommonSharesAttributableToShareBasedPaymentArrangements100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:InformationTechnologyAndDataProcessing

us-gaap:InformationTechnologyAndDataProcessing


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-31
Value4.0594.6333.6453.7113.8763.8455.8093.4933.3933.6794.163.2313.4563.2693.0763.1982.8034.4392.4553.2772.2342.184
Percentage of InformationTechnologyAndDataProcessing100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

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
Value7372727272727059565553504740393936323030272726181717171817171717181920202020202021
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:InterestAndDividendIncomeSecurities

us-gaap:InterestAndDividendIncomeSecurities


None
Period End2020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-09-302016-06-302016-03-312015-09-302015-06-302015-03-312014-09-302014-06-302014-03-312013-09-302013-06-302013-03-312012-09-302012-06-302012-03-312011-09-302011-06-302011-03-312010-09-302010-06-30
Value7.6948.8188.9339.0769.279.8079.6059.6049.0128.5858.3747.2536.9025.8475.2985.1245.0483.6653.6383.4463.2293.0253.2023.2113.3324.3594.7884.6133.7233.4053.383
Percentage of InterestAndDividendIncomeSecurities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:InterestExpenseBorrowings

us-gaap:InterestExpenseBorrowings


None
Period End2020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302014-09-302014-06-302014-03-312013-09-302013-06-302013-03-312012-09-302012-06-302012-03-31
Value927000.01857000.01534000.01552000.02869000.02520000.01885000.0704000.0692000.0690000.0705000.0707000.0717000.0755000.0748000.0759000.0
Percentage of InterestExpenseBorrowings100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:InterestExpenseSavingsDeposits

us-gaap:InterestExpenseSavingsDeposits


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-31
Value1.2033.193.5894.3344.8253.8733.142.0971.9881.538-1.42.1961.6681.19-0.8541.2921.2380.917-0.3650.8570.8450.748-0.8660.5590.570.601
Percentage of InterestExpenseSavingsDeposits100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:InterestExpenseTimeDeposits

us-gaap:InterestExpenseTimeDeposits


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value3.824.7685.0846.0095.7244.9593.9012.9752.6292.1792.0321.2660.8140.566
Percentage of InterestExpenseTimeDeposits100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:InterestIncomeExpenseAfterProvisionForLoanLoss

us-gaap:InterestIncomeExpenseAfterProvisionForLoanLoss


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-30
Value59335658575957454748454542363636333028282425241818161515151515159.5521416161515127.595-0.554
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:LoansAndLeasesReceivableImpairedInterestIncomeRecognizedChangeInPresentValueAttributableToPassageOfTime

us-gaap:LoansAndLeasesReceivableImpairedInterestIncomeRecognizedChangeInPresentValueAttributableToPassageOfTime


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-31
Value0.0210.024-101.90.040.0270.0350.0430.0360.0330.0880.0180.1690.0640.0610.0590.0830.0480.0470.0830.0930.070.0720.1510.1640.0760.0650.0310.270.5590.240.2410.2410.2990.219
Percentage of LoansAndLeasesReceivableImpairedInterestIncomeRecognizedChangeInPresentValueAttributableToPassageOfTime100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:MarketableSecuritiesRealizedGainLossExcludingOtherThanTemporaryImpairments

us-gaap:MarketableSecuritiesRealizedGainLossExcludingOtherThanTemporaryImpairments


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-09-302013-06-302013-03-31
Value1187000.0-95000.02569000.0-895000.0-556000.0-87000.0-485000.0000112000.0-47000.021000.007000.0225000.047000.089000.01000.0160000.000108000.0344000.0017000.0280000.0114000.025000.0
Percentage of MarketableSecuritiesRealizedGainLossExcludingOtherThanTemporaryImpairments100.0100.0100.0100.0100.0100.0100.00.00.00.0100.0100.0100.00.0100.0100.0100.0100.0100.0100.00.00.0100.0100.00.0100.0100.0100.0100.0

us-gaap:MarketingExpense

us-gaap:MarketingExpense


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-30
Value997000.01278000.0885000.0933000.01211000.01132000.01350000.01139000.01344000.01252000.01490000.01298000.01074000.0922000.0847000.0780000.0957000.01049000.01128000.01099000.0
Percentage of MarketingExpense100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:NoninterestExpense

us-gaap:NoninterestExpense


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-30
Value4247383841434937383739344134303334322729242334192018181819181920202119191919271918
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
Value151416131312121212122611109.9059.9299.9899.1588.7198.1998.2428.8467.3087.2496.4935.8965.5755.9666.3676.4495.9564.9535.7278.8348.3115.9664.8434.5474.2095.1874.7425.629
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:OccupancyNet

us-gaap:OccupancyNet


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-31
Value3.3853.3533.3683.3683.7413.8073.7473.2143.3163.1173.2652.4474.4213.1572.833.6753.6452.9722.3142.3962.0112.023
Percentage of OccupancyNet100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent

us-gaap:OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value120.294-5.8465.0419.4878.8435.805-2.521-4.234-8.009-2.3440.8153.5032.029
Percentage of OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesBeforeTax

us-gaap:OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesBeforeTax


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-30
Value1188000.0-95000.02569000.0-895000.0-556000.0-87000.0-485000.0000112000.0-47000.021000.00988000.0-648000.0-19000.047000.00-494000.000-111000.0368000.00-1000.00-366000.0356000.0163000.0290000.064000.03102000.0
Percentage of OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesBeforeTax100.0100.0100.0100.0100.0100.0100.00.00.00.0100.0100.0100.00.0100.0100.0100.0100.00.0100.00.00.0100.0100.00.0100.00.0100.0100.0100.0100.0100.0100.0

us-gaap:OtherComprehensiveIncomeLossTax

us-gaap:OtherComprehensiveIncomeLossTax


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-31
Value3917000.0-36000.0-1635000.01468000.02774000.03261000.02086000.0-919000.0-1543000.0-2898000.0-1481000.0503000.02199000.01268000.0-7014000.0-195000.03485000.03017000.0-2465000.0822000.0-1022000.01795000.0-6644000.0-992000.02505000.01663000.0-2096000.0-1178000.0-4959000.0-242000.01732000.01035000.0-1633000.0181000.0
Percentage of OtherComprehensiveIncomeLossTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OtherComprehensiveIncomeReclassificationAdjustmentForHeldToMaturityTransferredToAvailableForSaleSecuritiesBeforeTax

us-gaap:OtherComprehensiveIncomeReclassificationAdjustmentForHeldToMaturityTransferredToAvailableForSaleSecuritiesBeforeTax


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312014-03-312013-03-31
Value00000-730000.000000724000.0
Percentage of OtherComprehensiveIncomeReclassificationAdjustmentForHeldToMaturityTransferredToAvailableForSaleSecuritiesBeforeTax0.00.00.00.00.0100.00.00.00.00.00.0100.0

us-gaap:OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodBeforeTax

us-gaap:OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodBeforeTax


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-31
Value170.104-4.9725.55511127.298-3.548-5.995-11.023-3.9441.1495.6013.175-17.247-1.029.1317.986-6.2651.757-2.6464.7740.647-2.2019.6264.306-5.43-3.418-12.49-1.19
Percentage of OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodBeforeTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OtherLaborRelatedExpenses

us-gaap:OtherLaborRelatedExpenses


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-30
Value3.3794.2553.3232.9733.1954.2063.6253.2053.0343.0812.8122.9172.9353.0682.4752.4252.5212.4822.1782.43
Percentage of OtherLaborRelatedExpenses100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OtherNoninterestExpense

us-gaap:OtherNoninterestExpense


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-31
Value3.9333.744.0223.4053.4684.2824.1653.914.3144.8334.2233.4273.9753.913.2073.6729.299113.0973.2696.61110
Percentage of OtherNoninterestExpense100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:PaymentsForOriginationOfMortgageLoansHeldForSale

us-gaap:PaymentsForOriginationOfMortgageLoansHeldForSale


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-30
Value130739594855477658178484770474349483546496742535050353948704954524832402936314846
Percentage of PaymentsForOriginationOfMortgageLoansHeldForSale100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:PaymentsForProceedsFromLoansAndLeases

us-gaap:PaymentsForProceedsFromLoansAndLeases


None
Period End2020-03-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-30
Value-25.154368.8763.14114064768451791039410914710032455883316755239.17243-1.12745-0.01630-3.16213136.1623-3.375-10.993-12.196-11.871
Percentage of PaymentsForProceedsFromLoansAndLeases100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:PaymentsOfDividendsPreferredStockAndPreferenceStock

us-gaap:PaymentsOfDividendsPreferredStockAndPreferenceStock


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-31
Value00000000000000000000000000944000.0625000.0625000.0625000.0625000.0625000.0625000.0625000.0
Percentage of PaymentsOfDividendsPreferredStockAndPreferenceStock0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:PaymentsToAcquireAvailableForSaleSecuritiesDebt

us-gaap:PaymentsToAcquireAvailableForSaleSecuritiesDebt


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value1647414577870.0-32.1453.296297214881
Percentage of PaymentsToAcquireAvailableForSaleSecuritiesDebt100.0100.0100.0100.0100.00.0100.0100.0100.0100.0100.0100.0

us-gaap:PaymentsToAcquireFederalReserveStock

us-gaap:PaymentsToAcquireFederalReserveStock


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-31
Value0.0263913129.749171010131017104.935126.9167.3411.9560.7123.410.9222.4662.8253.61.2420.00.0610.00.0820.00.0540.0060.1860.1740.00.00.7
Percentage of PaymentsToAcquireFederalReserveStock0.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.00.0100.00.0100.0100.0100.0100.00.00.0100.0

us-gaap:ProceedsFromLifeInsurancePolicies

us-gaap:ProceedsFromLifeInsurancePolicies


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value0.00.00.01.840.0120.00.00.04.2323.6090.00.00.0
Percentage of ProceedsFromLifeInsurancePolicies0.00.00.0100.00.0100.00.00.00.0100.0100.00.00.00.0

us-gaap:ProceedsFromMaturitiesPrepaymentsAndCallsOfAvailableForSaleSecurities

us-gaap:ProceedsFromMaturitiesPrepaymentsAndCallsOfAvailableForSaleSecurities


None
Period End2020-06-302020-03-312019-06-302019-03-312018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-31
Value51822318273451705434343326243035282520222325384645
Percentage of ProceedsFromMaturitiesPrepaymentsAndCallsOfAvailableForSaleSecurities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ProceedsFromMaturitiesPrepaymentsAndCallsOfHeldToMaturitySecurities

us-gaap:ProceedsFromMaturitiesPrepaymentsAndCallsOfHeldToMaturitySecurities


None
Period End2020-06-302020-03-312019-06-302019-03-31
Value258.8948.1058.83
Percentage of ProceedsFromMaturitiesPrepaymentsAndCallsOfHeldToMaturitySecurities100.0100.0100.0100.0

us-gaap:ProceedsFromSaleAndMaturityOfMarketableSecurities

us-gaap:ProceedsFromSaleAndMaturityOfMarketableSecurities


None
Period End2020-06-302020-03-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-30
Value0.0330.00.00.00.00.00.0212538464537363028272826323828
Percentage of ProceedsFromSaleAndMaturityOfMarketableSecurities0.0100.00.00.00.00.00.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ProceedsFromSaleOfAvailableForSaleSecuritiesDebt

us-gaap:ProceedsFromSaleOfAvailableForSaleSecuritiesDebt


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-31
Value642779493835310.00.00.02283.73.80.01.013261.795100.0600.00.05.083120.04.0610.01143117.5932111511119
Percentage of ProceedsFromSaleOfAvailableForSaleSecuritiesDebt100.0100.0100.0100.0100.0100.0100.00.00.00.0100.0100.0100.00.0100.0100.0100.0100.00.0100.00.00.0100.0100.00.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ProceedsFromSaleOfFederalReserveStock

us-gaap:ProceedsFromSaleOfFederalReserveStock


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-31
Value5.5252727177.01322158.181101018155.7799.0537.650.00.01.70.03.7020.03.7251.8230.00.0330.5670.190.1330.00.620.00.1640.1320.00.2090.1940.3970.5630.166
Percentage of ProceedsFromSaleOfFederalReserveStock100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.00.0100.00.0100.00.0100.0100.00.0100.0100.0100.0100.00.0100.00.0100.0100.00.0100.0100.0100.0100.0100.0

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
Value0.7673.7361.3562.4311.151.5720.8124.0761.8843.30.9461.7990.9072.4172.9650.782.6651.5421.071.6841.1771.8270.791.0610.8361.3790.5314.8642.0821.3661.6863.0998.315.2745.2222.569255.0142.0790.812
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:ProceedsFromStockPlans

us-gaap:ProceedsFromStockPlans


None
Period End2020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312014-03-312013-03-31
Value-321000.0-1010000.047000.0-824000.0-1519000.0887000.0-597000.0726000.0791000.0-393000.0171000.042000.047000.0
Percentage of ProceedsFromStockPlans100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ProfessionalFees

us-gaap:ProfessionalFees


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-30
Value2.2773.3632.0251.6482.0332.8473.6682.0192.3011.9733.0542.563.2762.1322.372.2132.6562.3572.582.189
Percentage of ProfessionalFees100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ProvisionForLoanLossesExpensed

us-gaap:ProvisionForLoanLossesExpensed


None
Period End2020-06-302020-03-312019-06-302019-03-312015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-30
Value7.611292.5511.3970.4330.118-1.425-1.444-0.7350.491.180.5650.9531.1360.96.4552.3050.4320.00.9020.643.9758.86616
Percentage of ProvisionForLoanLossesExpensed100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.0100.0100.0

us-gaap:ProvisionForLoanLossesExpensed us-gaap:FinancingReceivablePortfolioSegment

sbcf:CommercialRealEstatePortfolioSegmentNonOwnerOccupied


None
Period End2020-06-302020-03-31
Value3.34518
Percentage of ProvisionForLoanLossesExpensed43.961.9

sbcf:CommercialRealEstatePortfolioSegmentOwnerOccupied


None
Period End2020-06-302020-03-31
Value0.229-0.264
Percentage of ProvisionForLoanLossesExpensed3.0-0.9

sbcf:ConstructionAndLandDevelopmentPortfolioSegment


None
Period End2020-06-302020-03-312019-06-302019-03-31
Value2.4781.248-0.0790.083
Percentage of ProvisionForLoanLossesExpensed32.64.2-3.15.9

sbcf:CoronavirusAidReliefAndEconomicSecurityActPaycheckProtectionProgramLoan


None
Period End2020-06-30
Value0.0
Percentage of ProvisionForLoanLossesExpensed0.0

us-gaap:CommercialPortfolioSegment


None
Period End2020-06-302020-03-312019-06-302019-03-31
Value1.3192.7462.1140.853
Percentage of ProvisionForLoanLossesExpensed17.39.382.961.1

us-gaap:ConsumerPortfolioSegment


None
Period End2020-06-302020-03-312019-06-302019-03-31
Value-0.3341.240.8980.25
Percentage of ProvisionForLoanLossesExpensed-4.44.235.217.9

us-gaap:ResidentialPortfolioSegment


None
Period End2020-06-302020-03-312019-06-302019-03-31
Value0.5746.260.051-0.414
Percentage of ProvisionForLoanLossesExpensed7.521.22.0-29.6

us-gaap:SalariesAndWages

us-gaap:SalariesAndWages


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-30
Value2023171819182217161516151815121413131111
Percentage of SalariesAndWages100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:StockIssuedDuringPeriodSharesEmployeeBenefitPlan us-gaap:StatementEquityComponents

us-gaap:StockIssuedDuringPeriodSharesEmployeeBenefitPlan

us-gaap:CommonStock


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value262000.0115000.032000.0-9000.022000.049000.045000.01000.0-6000.03000.0
Percentage of StockIssuedDuringPeriodSharesEmployeeBenefitPlan100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:StockIssuedDuringPeriodSharesStockOptionsExercised us-gaap:StatementEquityComponents

us-gaap:StockIssuedDuringPeriodSharesStockOptionsExercised

us-gaap:CommonStock


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value20000.037000.00025000.04000.046000.073000.0187000.062000.0
Percentage of StockIssuedDuringPeriodSharesStockOptionsExercised100.0100.00.00.0100.0100.0100.0100.0100.0100.0

us-gaap:StockIssuedDuringPeriodValueEmployeeBenefitPlan

us-gaap:StockIssuedDuringPeriodValueEmployeeBenefitPlan


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value-604000.0-1410000.056000.048000.0-1188000.0-1584000.0-534000.024000.0-599000.078000.0
Percentage of StockIssuedDuringPeriodValueEmployeeBenefitPlan100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:StockIssuedDuringPeriodValueEmployeeBenefitPlan us-gaap:StatementEquityComponents

us-gaap:AdditionalPaidInCapital


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value-15000.0-32000.06000.0-12000.0-12000.0-14000.016000.0-9000.0-11000.0-2000.0
Percentage of StockIssuedDuringPeriodValueEmployeeBenefitPlan2.52.310.7-25.01.00.9-3.0-37.51.8-2.6

us-gaap:CommonStock


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-09-302018-06-30
Value26000.012000.03000.02000.02000.05000.03000.017000.0
Percentage of StockIssuedDuringPeriodValueEmployeeBenefitPlan-4.3-0.95.44.2-0.2-0.312.5-2.8

us-gaap:TreasuryStock


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value-615000.0-1390000.047000.058000.0-1178000.0-1575000.0-530000.030000.0-605000.080000.0
Percentage of StockIssuedDuringPeriodValueEmployeeBenefitPlan101.898.683.9120.899.299.499.3125.0101.0102.6

us-gaap:StockIssuedDuringPeriodValueStockOptionsExercised

us-gaap:StockIssuedDuringPeriodValueStockOptionsExercised


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value282000.0400000.000364000.064000.0496000.0863000.03000.0647000.0
Percentage of StockIssuedDuringPeriodValueStockOptionsExercised100.0100.00.00.0100.0100.0100.0100.0100.0100.0

us-gaap:StockIssuedDuringPeriodValueStockOptionsExercised us-gaap:StatementEquityComponents

us-gaap:AdditionalPaidInCapital


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value280000.0396000.000361000.064000.0467000.0855000.02000.0642000.0
Percentage of StockIssuedDuringPeriodValueStockOptionsExercised99.399.00.00.099.2100.094.299.166.799.2

us-gaap:CommonStock


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value2000.04000.0003000.0029000.08000.01000.05000.0
Percentage of StockIssuedDuringPeriodValueStockOptionsExercised0.71.00.00.00.80.05.80.933.30.8

us-gaap:StockholdersEquityPeriodIncreaseDecrease

us-gaap:StockholdersEquityPeriodIncreaseDecrease


None
Period End2020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-31
Value386.148323332161412
Percentage of StockholdersEquityPeriodIncreaseDecrease100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:StockholdersEquityPeriodIncreaseDecrease us-gaap:StatementEquityComponents

us-gaap:AccumulatedOtherComprehensiveIncome


None
Period End2020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-31
Value120.2945.0419.4878.843-2.521-4.234-7.894
Percentage of StockholdersEquityPeriodIncreaseDecrease32.34.815.528.127.5-15.1-29.6-64.7

us-gaap:AdditionalPaidInCapital


None
Period End2020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-31
Value1.788231.7332.2482.1792.8262.1582.095
Percentage of StockholdersEquityPeriodIncreaseDecrease4.6378.85.36.66.817.015.117.2

us-gaap:CommonStock


None
Period End2020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-31
Value0.0280.120.0020.0050.0050.0110.0180.005
Percentage of StockholdersEquityPeriodIncreaseDecrease0.12.00.00.00.00.10.10.0

us-gaap:RetainedEarnings


None
Period End2020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-31
Value25-16.167252322161617
Percentage of StockholdersEquityPeriodIncreaseDecrease64.6-263.078.968.870.697.9118.6146.8

us-gaap:TreasuryStock


None
Period End2020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-31
Value-0.615-1.390.058-1.178-1.5750.03-0.6050.08
Percentage of StockholdersEquityPeriodIncreaseDecrease-1.6-22.60.2-3.5-4.90.2-4.20.7

sbcf:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentAssetsInvestments us-gaap:BusinessAcquisition

sbcf:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentAssetsInvestments

sbcf:FirstBankOfThePalmBeaches


None
Period End2020-03-13
Value0.447
Percentage of BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentAssetsInvestments100.0

sbcf:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentAssetsInvestments us-gaap:Restatement, us-gaap:BusinessAcquisition

srt:RestatementAdjustment, sbcf:FirstBankOfThePalmBeaches


None
Period End2020-03-13
Value0.0
Percentage of BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentAssetsInvestments0.0

srt:ScenarioPreviouslyReported, sbcf:FirstBankOfThePalmBeaches


None
Period End2020-03-13
Value0.447
Percentage of BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentAssetsInvestments100.0

sbcf:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedFixedAssets us-gaap:BusinessAcquisition

sbcf:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedFixedAssets

sbcf:FirstBankOfThePalmBeaches


None
Period End2020-03-13
Value6.086
Percentage of BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedFixedAssets100.0

sbcf:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedFixedAssets us-gaap:Restatement, us-gaap:BusinessAcquisition

srt:RestatementAdjustment, sbcf:FirstBankOfThePalmBeaches


None
Period End2020-03-13
Value0.0
Percentage of BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedFixedAssets0.0

srt:ScenarioPreviouslyReported, sbcf:FirstBankOfThePalmBeaches


None
Period End2020-03-13
Value6.086
Percentage of BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedFixedAssets100.0

sbcf:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedLoanHeldForInvestment us-gaap:BusinessAcquisition

sbcf:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedLoanHeldForInvestment

sbcf:FirstBankOfThePalmBeaches


None
Period End2020-03-13
Value146
Percentage of BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedLoanHeldForInvestment100.0

sbcf:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedLoanHeldForInvestment us-gaap:Restatement, us-gaap:BusinessAcquisition

srt:RestatementAdjustment, sbcf:FirstBankOfThePalmBeaches


None
Period End2020-03-13
Value-0.062
Percentage of BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedLoanHeldForInvestment-0.0

srt:ScenarioPreviouslyReported, sbcf:FirstBankOfThePalmBeaches


None
Period End2020-03-13
Value146
Percentage of BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedLoanHeldForInvestment100.0

sbcf:DebtSecuritiesAvailableForSaleInterestReceivable

sbcf:DebtSecuritiesAvailableForSaleInterestReceivable


None
Period End2020-06-302020-03-312019-12-31
Value3100000.03400000.03800000.0
Percentage of DebtSecuritiesAvailableForSaleInterestReceivable100.0100.0100.0

sbcf:DebtSecuritiesAvailableforsaleUnrealizedLossPositionAverageCreditSupport us-gaap:CreditRatingStandardPoors, us-gaap:FinancialInstrument

sbcf:DebtSecuritiesAvailableforsaleUnrealizedLossPositionAverageCreditSupport

sbcf:StandardPoorsAAAAARating, us-gaap:CollateralizedLoanObligations


None
Period End2020-03-31
Value0.31
Percentage of DebtSecuritiesAvailableforsaleUnrealizedLossPositionAverageCreditSupport100.0

srt:StandardPoorsARating, us-gaap:CollateralizedLoanObligations


None
Period End2020-03-31
Value0.18
Percentage of DebtSecuritiesAvailableforsaleUnrealizedLossPositionAverageCreditSupport58.1

sbcf:DebtSecuritiesAvailableforsaleUnrealizedLossPositionNumberofPositionsPercentageOfTotal us-gaap:CreditRatingStandardPoors, us-gaap:FinancialInstrument

sbcf:DebtSecuritiesAvailableforsaleUnrealizedLossPositionNumberofPositionsPercentageOfTotal

sbcf:StandardPoorsAAAAARating, us-gaap:CollateralizedLoanObligations


None
Period End2020-03-31
Value0.88
Percentage of DebtSecuritiesAvailableforsaleUnrealizedLossPositionNumberofPositionsPercentageOfTotal100.0

srt:StandardPoorsAAARating, us-gaap:CollateralizedLoanObligations


None
Period End2020-06-30
Value0.36
Percentage of DebtSecuritiesAvailableforsaleUnrealizedLossPositionNumberofPositionsPercentageOfTotal0.0

srt:StandardPoorsAARating, us-gaap:CollateralizedLoanObligations


None
Period End2020-06-30
Value0.26
Percentage of DebtSecuritiesAvailableforsaleUnrealizedLossPositionNumberofPositionsPercentageOfTotal0.0

srt:StandardPoorsARating, us-gaap:CollateralizedLoanObligations


None
Period End2020-03-31
Value0.12
Percentage of DebtSecuritiesAvailableforsaleUnrealizedLossPositionNumberofPositionsPercentageOfTotal13.6

sbcf:DebtSecuritiesHeldToMaturityInterestReceivable

sbcf:DebtSecuritiesHeldToMaturityInterestReceivable


None
Period End2020-06-302020-03-312019-12-31
Value500000.0600000.0600000.0
Percentage of DebtSecuritiesHeldToMaturityInterestReceivable100.0100.0100.0

sbcf:FairValueAdjustmentPercent us-gaap:AssetsSoldUnderAgreementsToRepurchase, us-gaap:BusinessAcquisition

sbcf:FairValueAdjustmentPercent

us-gaap:Loans, sbcf:BankSharesInc


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312015-12-312014-12-31
Value0.0330.0340.03840.0380.0380.0380.03860.020.0210.0210.020.02770.02540.03070.03110.04430.0356
Percentage of FairValueAdjustmentPercent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

sbcf:FinancingReceivableCollateralDependentLoans

sbcf:FinancingReceivableCollateralDependentLoans


None
Period End2020-06-302020-03-312019-12-31
Value302326
Percentage of FinancingReceivableCollateralDependentLoans100.0100.0100.0

sbcf:FinancingReceivableCollateralDependentLoans us-gaap:FinancingReceivablePortfolioSegment

sbcf:CommercialRealEstatePortfolioSegmentNonOwnerOccupied


None
Period End2020-06-302020-03-312019-12-31
Value3.5744.2743.152
Percentage of FinancingReceivableCollateralDependentLoans11.718.011.8

sbcf:CommercialRealEstatePortfolioSegmentOwnerOccupied


None
Period End2020-06-302020-03-312019-12-31
Value6.1734.5072.571
Percentage of FinancingReceivableCollateralDependentLoans20.319.09.6

sbcf:ConstructionAndLandDevelopmentPortfolioSegment


None
Period End2020-06-302020-03-312019-12-31
Value0.6340.6064.926
Percentage of FinancingReceivableCollateralDependentLoans2.12.618.5

us-gaap:CommercialPortfolioSegment


None
Period End2020-06-302020-03-312019-12-31
Value5.5264.8444.338
Percentage of FinancingReceivableCollateralDependentLoans18.220.416.3

us-gaap:ConsumerPortfolioSegment


None
Period End2020-06-302020-03-312019-12-31
Value0.410.5810.141
Percentage of FinancingReceivableCollateralDependentLoans1.32.40.5

us-gaap:ResidentialPortfolioSegment


None
Period End2020-06-302020-03-312019-12-31
Value148.93211
Percentage of FinancingReceivableCollateralDependentLoans46.437.643.3

sbcf:FinancingReceivableNonaccrualRelatedAllowance

sbcf:FinancingReceivableNonaccrualRelatedAllowance


None
Period End2020-06-302020-03-312019-12-31
Value4663000.04303000.02384000.0
Percentage of FinancingReceivableNonaccrualRelatedAllowance100.0100.0100.0

sbcf:FinancingReceivableNonaccrualRelatedAllowance us-gaap:FinancingReceivablePortfolioSegment

sbcf:CommercialRealEstatePortfolioSegmentNonOwnerOccupied


None
Period End2020-06-302020-03-31
Value204000.0251000.0
Percentage of FinancingReceivableNonaccrualRelatedAllowance4.45.8

sbcf:CommercialRealEstatePortfolioSegmentOwnerOccupied


None
Period End2020-06-302020-03-31
Value160000.0251000.0
Percentage of FinancingReceivableNonaccrualRelatedAllowance3.45.8

sbcf:ConstructionAndLandDevelopmentPortfolioSegment


None
Period End2020-06-302020-03-312019-12-31
Value11000.011000.012000.0
Percentage of FinancingReceivableNonaccrualRelatedAllowance0.20.30.5

us-gaap:CommercialPortfolioSegment


None
Period End2020-06-302020-03-312019-12-31
Value3409000.02624000.01622000.0
Percentage of FinancingReceivableNonaccrualRelatedAllowance73.161.068.0

us-gaap:ConsumerPortfolioSegment


None
Period End2020-06-302020-03-312019-12-31
Value86000.0238000.037000.0
Percentage of FinancingReceivableNonaccrualRelatedAllowance1.85.51.6

us-gaap:ResidentialPortfolioSegment


None
Period End2020-06-302020-03-312019-12-31
Value793000.0928000.0564000.0
Percentage of FinancingReceivableNonaccrualRelatedAllowance17.021.623.7

sbcf:FinancingReceivableNonaccrualWithAllowanceForCreditLosses

sbcf:FinancingReceivableNonaccrualWithAllowanceForCreditLosses


None
Period End2020-06-302020-03-312019-12-31
Value7214000.09111000.03654000.0
Percentage of FinancingReceivableNonaccrualWithAllowanceForCreditLosses100.0100.0100.0

sbcf:FinancingReceivableNonaccrualWithAllowanceForCreditLosses us-gaap:FinancingReceivablePortfolioSegment

sbcf:CommercialRealEstatePortfolioSegmentNonOwnerOccupied


None
Period End2020-06-302020-03-31
Value1036000.01054000.0
Percentage of FinancingReceivableNonaccrualWithAllowanceForCreditLosses14.411.6

sbcf:CommercialRealEstatePortfolioSegmentOwnerOccupied


None
Period End2020-06-302020-03-31
Value321000.01695000.0
Percentage of FinancingReceivableNonaccrualWithAllowanceForCreditLosses4.418.6

sbcf:ConstructionAndLandDevelopmentPortfolioSegment


None
Period End2020-06-302020-03-312019-12-31
Value21000.022000.023000.0
Percentage of FinancingReceivableNonaccrualWithAllowanceForCreditLosses0.30.20.6

us-gaap:CommercialPortfolioSegment


None
Period End2020-06-302020-03-312019-12-31
Value4550000.04845000.02459000.0
Percentage of FinancingReceivableNonaccrualWithAllowanceForCreditLosses63.153.267.3

us-gaap:ConsumerPortfolioSegment


None
Period End2020-06-302020-03-312019-12-31
Value370000.0541000.071000.0
Percentage of FinancingReceivableNonaccrualWithAllowanceForCreditLosses5.15.91.9

us-gaap:ResidentialPortfolioSegment


None
Period End2020-06-302020-03-312019-12-31
Value916000.0954000.0780000.0
Percentage of FinancingReceivableNonaccrualWithAllowanceForCreditLosses12.710.521.3

sbcf:FinancingReceivableTroubledDebtRestructuringAllowanceForCreditLoss

sbcf:FinancingReceivableTroubledDebtRestructuringAllowanceForCreditLoss


None
Period End2020-06-302020-03-312019-06-302019-03-31
Value400000.0100000.000
Percentage of FinancingReceivableTroubledDebtRestructuringAllowanceForCreditLoss100.0100.00.00.0

sbcf:FinancingReceivableValueOfLoansDeferredNotClassifiedAsTroubledDebtRestructuring us-gaap:DebtInstrument

sbcf:FinancingReceivableValueOfLoansDeferredNotClassifiedAsTroubledDebtRestructuring

sbcf:CoronavirusAidReliefAndEconomicSecurityActPaycheckProtectionPlan


None
Period End2020-03-31
Value512
Percentage of FinancingReceivableValueOfLoansDeferredNotClassifiedAsTroubledDebtRestructuring100.0

sbcf:CoronavirusAidReliefAndEconomicSecurityActPaycheckProtectionProgramLoan


None
Period End2020-06-30
Value1100
Percentage of FinancingReceivableValueOfLoansDeferredNotClassifiedAsTroubledDebtRestructuring0.0

sbcf:FinancingReceivableValueOfLoansDeferredNotClassifiedAsTroubledDebtRestructuring us-gaap:DebtInstrument, us-gaap:FinancingReceivablePortfolioSegment

sbcf:CoronavirusAidReliefAndEconomicSecurityActPaycheckProtectionProgramLoan, sbcf:CommercialRealEstatePortfolioSegmentNonOwnerOccupied


None
Period End2020-06-30
Value445
Percentage of FinancingReceivableValueOfLoansDeferredNotClassifiedAsTroubledDebtRestructuring0.0

sbcf:CoronavirusAidReliefAndEconomicSecurityActPaycheckProtectionProgramLoan, sbcf:CommercialRealEstatePortfolioSegmentOwnerOccupied


None
Period End2020-06-30
Value320
Percentage of FinancingReceivableValueOfLoansDeferredNotClassifiedAsTroubledDebtRestructuring0.0

sbcf:CoronavirusAidReliefAndEconomicSecurityActPaycheckProtectionProgramLoan, sbcf:ConstructionAndLandDevelopmentPortfolioSegment


None
Period End2020-06-30
Value14
Percentage of FinancingReceivableValueOfLoansDeferredNotClassifiedAsTroubledDebtRestructuring0.0

sbcf:CoronavirusAidReliefAndEconomicSecurityActPaycheckProtectionProgramLoan, us-gaap:CommercialPortfolioSegment


None
Period End2020-06-30
Value130
Percentage of FinancingReceivableValueOfLoansDeferredNotClassifiedAsTroubledDebtRestructuring0.0

sbcf:CoronavirusAidReliefAndEconomicSecurityActPaycheckProtectionProgramLoan, us-gaap:ConsumerPortfolioSegment


None
Period End2020-06-30
Value17
Percentage of FinancingReceivableValueOfLoansDeferredNotClassifiedAsTroubledDebtRestructuring0.0

sbcf:CoronavirusAidReliefAndEconomicSecurityActPaycheckProtectionProgramLoan, us-gaap:ResidentialPortfolioSegment


None
Period End2020-06-30
Value148
Percentage of FinancingReceivableValueOfLoansDeferredNotClassifiedAsTroubledDebtRestructuring0.0

sbcf:FinancingReceivableValueOfLoansDeferredNotClassifiedAsTroubledDebtRestructuring us-gaap:DebtInstrument, us-gaap:SubsequentEventType

sbcf:CoronavirusAidReliefAndEconomicSecurityActPaycheckProtectionPlan, us-gaap:SubsequentEvent


None
Period End2020-04-30
Value1000
Percentage of FinancingReceivableValueOfLoansDeferredNotClassifiedAsTroubledDebtRestructuring0.0

sbcf:FinancingReceivableValueOfLoansDeferredNotClassifiedAsTroubledDebtRestructuringPercentageOfLoanDeferral us-gaap:DebtInstrument

sbcf:FinancingReceivableValueOfLoansDeferredNotClassifiedAsTroubledDebtRestructuringPercentageOfLoanDeferral

sbcf:CoronavirusAidReliefAndEconomicSecurityActPaycheckProtectionProgramLoan


None
Period End2020-06-30
Value0.21
Percentage of FinancingReceivableValueOfLoansDeferredNotClassifiedAsTroubledDebtRestructuringPercentageOfLoanDeferral100.0

sbcf:FinancingReceivableValueOfLoansDeferredNotClassifiedAsTroubledDebtRestructuringPercentageOfLoanDeferral us-gaap:DebtInstrument, us-gaap:FinancingReceivablePortfolioSegment

sbcf:CoronavirusAidReliefAndEconomicSecurityActPaycheckProtectionProgramLoan, sbcf:CommercialRealEstatePortfolioSegmentNonOwnerOccupied


None
Period End2020-06-30
Value0.32
Percentage of FinancingReceivableValueOfLoansDeferredNotClassifiedAsTroubledDebtRestructuringPercentageOfLoanDeferral152.4

sbcf:CoronavirusAidReliefAndEconomicSecurityActPaycheckProtectionProgramLoan, sbcf:CommercialRealEstatePortfolioSegmentOwnerOccupied


None
Period End2020-06-30
Value0.3
Percentage of FinancingReceivableValueOfLoansDeferredNotClassifiedAsTroubledDebtRestructuringPercentageOfLoanDeferral142.9

sbcf:CoronavirusAidReliefAndEconomicSecurityActPaycheckProtectionProgramLoan, sbcf:ConstructionAndLandDevelopmentPortfolioSegment


None
Period End2020-06-30
Value0.05
Percentage of FinancingReceivableValueOfLoansDeferredNotClassifiedAsTroubledDebtRestructuringPercentageOfLoanDeferral23.8

sbcf:CoronavirusAidReliefAndEconomicSecurityActPaycheckProtectionProgramLoan, us-gaap:CommercialPortfolioSegment


None
Period End2020-06-30
Value0.17
Percentage of FinancingReceivableValueOfLoansDeferredNotClassifiedAsTroubledDebtRestructuringPercentageOfLoanDeferral81.0

sbcf:CoronavirusAidReliefAndEconomicSecurityActPaycheckProtectionProgramLoan, us-gaap:ConsumerPortfolioSegment


None
Period End2020-06-30
Value0.09
Percentage of FinancingReceivableValueOfLoansDeferredNotClassifiedAsTroubledDebtRestructuringPercentageOfLoanDeferral42.9

sbcf:CoronavirusAidReliefAndEconomicSecurityActPaycheckProtectionProgramLoan, us-gaap:ResidentialPortfolioSegment


None
Period End2020-06-30
Value0.1
Percentage of FinancingReceivableValueOfLoansDeferredNotClassifiedAsTroubledDebtRestructuringPercentageOfLoanDeferral47.6

sbcf:LoansHeldForSaleFairValueDisclosureFairValueAmountInExcessOfContractualBalance

sbcf:LoansHeldForSaleFairValueDisclosureFairValueAmountInExcessOfContractualBalance


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302018-12-31
Value1387000.0690000.0584000.0965000.0695000.0311000.0
Percentage of LoansHeldForSaleFairValueDisclosureFairValueAmountInExcessOfContractualBalance100.0100.0100.0100.0100.0100.0

sbcf:OtherShareholdersEquity

sbcf:OtherShareholdersEquity


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302010-12-31
Value1025986980957925891859728711697684590573498431431421409350346323318309233231225196144102108107109107110109111111107
Percentage of OtherShareholdersEquity100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

sbcf:TimeDepositsWithOtherBanks

sbcf:TimeDepositsWithOtherBanks


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302016-12-31
Value2.4963.7423.7424.5794.988.1748.2439.81310121214160.0
Percentage of TimeDepositsWithOtherBanks100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0

sbcf:TimeDepositsWithOtherBanks us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementFrequency

us-gaap:FairValueInputsLevel3, us-gaap:FairValueMeasurementsRecurring


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302018-12-31
Value2.533.7633.7444.4734.9468.132
Percentage of TimeDepositsWithOtherBanks101.4100.6100.197.799.398.7

sbcf:TimeDepositsWithOtherBanks us-gaap:FairValueByMeasurementBasis, us-gaap:FairValueByMeasurementFrequency

us-gaap:CarryingReportedAmountFairValueDisclosure, us-gaap:FairValueMeasurementsRecurring


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302018-12-31
Value2.4963.7423.7424.5794.988.243
Percentage of TimeDepositsWithOtherBanks100.0100.0100.0100.0100.0100.0

us-gaap:AssetsHeldForSaleNotPartOfDisposalGroup

us-gaap:AssetsHeldForSaleNotPartOfDisposalGroup


None
Period End2020-06-302020-03-312019-12-31
Value542920
Percentage of AssetsHeldForSaleNotPartOfDisposalGroup100.0100.0100.0

us-gaap:AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedGainBeforeTax

us-gaap:AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedGainBeforeTax


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-31
Value28288.76415103.4731.3061.591.7314.202
Percentage of AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedGainBeforeTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedGainBeforeTax us-gaap:FinancialInstrument

sbcf:PrivatelyIssuedMortgageBackedSecurities


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302017-12-31
Value1.6450.1111.5611.8081.6920.9680.560.9251.154
Percentage of AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedGainBeforeTax5.70.417.811.616.927.942.958.227.5

us-gaap:CollateralizedLoanObligations


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302017-12-31
Value0.0030.00.0070.0010.0020.0020.0010.1370.798
Percentage of AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedGainBeforeTax0.00.00.10.00.00.10.18.619.0

us-gaap:MortgageBackedSecuritiesIssuedByUSGovernmentSponsoredEnterprises


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302017-12-31
Value24265.784127.0721.7770.30.1531.163
Percentage of AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedGainBeforeTax86.094.066.077.770.451.223.09.627.7

us-gaap:USStatesAndPoliticalSubdivisions


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302017-12-31
Value1.9581.3061.2081.3491.0350.6210.3390.2610.813
Percentage of AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedGainBeforeTax6.84.613.88.710.317.926.016.419.3

us-gaap:USTreasuryAndGovernment


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302017-12-31
Value0.4180.2870.2040.3190.240.1050.1060.1140.274
Percentage of AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedGainBeforeTax1.51.02.32.02.43.08.17.26.5

us-gaap:AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedLossBeforeTax

us-gaap:AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedLossBeforeTax


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-31
Value6.088222.6741.942.8598.4811826238.462
Percentage of AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedLossBeforeTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedLossBeforeTax us-gaap:FinancialInstrument

sbcf:PrivatelyIssuedMortgageBackedSecurities


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302017-12-31
Value0.552.410.0050.0170.0050.2390.4010.3180.285
Percentage of AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedLossBeforeTax9.010.90.20.90.22.82.21.23.4

us-gaap:CollateralizedLoanObligations


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302017-12-31
Value5.444191.1531.4021.1331.8093.4420.5660.068
Percentage of AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedLossBeforeTax89.488.043.172.339.621.318.82.10.8

us-gaap:MortgageBackedSecuritiesIssuedByUSGovernmentSponsoredEnterprises


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302017-12-31
Value0.090.2521.5110.521.616.22814248.034
Percentage of AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedLossBeforeTax1.51.156.526.856.373.476.693.494.9

us-gaap:USStatesAndPoliticalSubdivisions


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302017-12-31
Value0.0030.0040.0010.00.1110.2010.4510.8130.07
Percentage of AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedLossBeforeTax0.00.00.00.03.92.42.53.10.8

us-gaap:USTreasuryAndGovernment


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302017-12-31
Value0.0010.00.0040.0010.00.0040.0060.0570.005
Percentage of AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedLossBeforeTax0.00.00.10.10.00.00.00.20.1

us-gaap:AvailableForSaleDebtSecuritiesAmortizedCostBasis

us-gaap:AvailableForSaleDebtSecuritiesAmortizedCostBasis


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302011-12-31
Value9539049409079078828829489769989609971018916960858914905798729765746607521671658661681644637580557639
Percentage of AvailableForSaleDebtSecuritiesAmortizedCostBasis100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:AvailableForSaleDebtSecuritiesAmortizedCostBasis us-gaap:FinancialInstrument

sbcf:PrivatelyIssuedMortgageBackedSecurities


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302017-12-31
Value755256606467557575
Percentage of AvailableForSaleDebtSecuritiesAmortizedCostBasis7.95.86.06.77.17.66.38.07.8

us-gaap:CollateralizedLoanObligations


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302017-12-31
Value204205239241242243212223263
Percentage of AvailableForSaleDebtSecuritiesAmortizedCostBasis21.422.725.426.626.727.624.123.627.4

us-gaap:MortgageBackedSecuritiesIssuedByUSGovernmentSponsoredEnterprises


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302017-12-31
Value636608604562554528567597560
Percentage of AvailableForSaleDebtSecuritiesAmortizedCostBasis66.867.364.362.061.159.964.363.058.4

us-gaap:OtherDebtSecurities


None
Period End2020-06-302020-03-312019-12-31
Value363740
Percentage of AvailableForSaleDebtSecuritiesAmortizedCostBasis3.94.14.3

us-gaap:USStatesAndPoliticalSubdivisions


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302017-12-31
Value272730323437394345
Percentage of AvailableForSaleDebtSecuritiesAmortizedCostBasis2.93.13.23.63.84.24.54.64.7

us-gaap:USTreasuryAndGovernment


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302017-12-31
Value8.9819.2969.91410106.2967.27.4869.475
Percentage of AvailableForSaleDebtSecuritiesAmortizedCostBasis0.91.01.11.11.20.70.80.81.0

us-gaap:AvailableForSaleSecuritiesDebtSecurities

us-gaap:AvailableForSaleSecuritiesDebtSecurities


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302010-12-31
Value9769109469209148778659239549829559961016909950866923905790728762730741601518658641650672649643588562574648611611435
Percentage of AvailableForSaleSecuritiesDebtSecurities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

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

us-gaap:FairValueInputsLevel1, us-gaap:FairValueMeasurementsRecurring


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-31
Value0.1020.1020.10.10.10.10.10.0990.10.10.1
Percentage of AvailableForSaleSecuritiesDebtSecurities0.00.00.00.00.00.00.00.00.00.00.0

us-gaap:FairValueInputsLevel2, us-gaap:FairValueMeasurementsRecurring


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-31
Value975910946920914877865923954982949
Percentage of AvailableForSaleSecuritiesDebtSecurities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.099.3

us-gaap:AvailableForSaleSecuritiesDebtSecurities us-gaap:FairValueByMeasurementFrequency

us-gaap:FairValueMeasurementsRecurring


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-31
Value976910946920914877865923954982949
Percentage of AvailableForSaleSecuritiesDebtSecurities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.099.3

us-gaap:AvailableForSaleSecuritiesDebtSecurities us-gaap:FinancialInstrument

sbcf:PrivatelyIssuedMortgageBackedSecurities


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302017-12-31
Value765057626567557676
Percentage of AvailableForSaleSecuritiesDebtSecurities7.95.66.16.87.27.76.48.28.0

us-gaap:CollateralizedLoanObligations


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302017-12-31
Value198185238239241241209222264
Percentage of AvailableForSaleSecuritiesDebtSecurities20.420.425.226.126.427.524.224.227.7

us-gaap:MortgageBackedSecuritiesIssuedByUSGovernmentSponsoredEnterprises


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302017-12-31
Value661635609573560523554573553
Percentage of AvailableForSaleSecuritiesDebtSecurities67.769.864.362.361.359.764.062.157.9

us-gaap:OtherDebtSecurities


None
Period End2020-06-302020-03-312019-12-31
Value393841
Percentage of AvailableForSaleSecuritiesDebtSecurities4.04.34.4

us-gaap:USStatesAndPoliticalSubdivisions


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302017-12-31
Value292931333537394345
Percentage of AvailableForSaleSecuritiesDebtSecurities3.13.23.43.73.94.34.64.74.8

us-gaap:USTreasuryAndGovernment


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302017-12-31
Value9.3989.5831010116.3977.37.5439.744
Percentage of AvailableForSaleSecuritiesDebtSecurities1.01.11.11.11.20.70.80.81.0

us-gaap:AvailableForSaleSecuritiesEquitySecurities us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementFrequency

us-gaap:AvailableForSaleSecuritiesEquitySecurities

us-gaap:FairValueInputsLevel1, us-gaap:FairValueMeasurementsRecurring


None
Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-31
Value6.5066.3926.4226.3746.2836.2056.1456.1936.2426.344
Percentage of AvailableForSaleSecuritiesEquitySecurities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:AvailableForSaleSecuritiesEquitySecurities us-gaap:FairValueByMeasurementFrequency

us-gaap:FairValueMeasurementsRecurring


None
Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-31
Value6.5066.3926.4226.3746.2836.2056.1456.1936.2426.344
Percentage of AvailableForSaleSecuritiesEquitySecurities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:BankOwnedLifeInsurance

us-gaap:BankOwnedLifeInsurance


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312013-12-31
Value12712712612512512412312212112012311888858444434343433635350.0
Percentage of BankOwnedLifeInsurance100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0

us-gaap:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedAssets us-gaap:BusinessAcquisition

us-gaap:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedAssets

sbcf:FirstBankOfThePalmBeaches


None
Period End2020-03-13
Value197
Percentage of BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedAssets100.0

us-gaap:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedAssets us-gaap:Restatement, us-gaap:BusinessAcquisition

srt:RestatementAdjustment, sbcf:FirstBankOfThePalmBeaches


None
Period End2020-03-13
Value0.02
Percentage of BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedAssets0.0

srt:ScenarioPreviouslyReported, sbcf:FirstBankOfThePalmBeaches


None
Period End2020-03-13
Value197
Percentage of BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedAssets100.0

us-gaap:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCashAndEquivalents us-gaap:BusinessAcquisition

us-gaap:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCashAndEquivalents

sbcf:FirstBankOfThePalmBeaches


None
Period End2020-03-13
Value34
Percentage of BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCashAndEquivalents100.0

us-gaap:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCashAndEquivalents us-gaap:Restatement, us-gaap:BusinessAcquisition

srt:RestatementAdjustment, sbcf:FirstBankOfThePalmBeaches


None
Period End2020-03-13
Value0.0
Percentage of BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCashAndEquivalents0.0

srt:ScenarioPreviouslyReported, sbcf:FirstBankOfThePalmBeaches


None
Period End2020-03-13
Value34
Percentage of BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCashAndEquivalents100.0

us-gaap:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentLiabilitiesAccountsPayable us-gaap:BusinessAcquisition

us-gaap:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentLiabilitiesAccountsPayable

sbcf:FirstBankOfThePalmBeaches


None
Period End2020-03-13
Value173
Percentage of BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentLiabilitiesAccountsPayable100.0

us-gaap:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentLiabilitiesAccountsPayable us-gaap:Restatement, us-gaap:BusinessAcquisition

srt:RestatementAdjustment, sbcf:FirstBankOfThePalmBeaches


None
Period End2020-03-13
Value0.0
Percentage of BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentLiabilitiesAccountsPayable0.0

srt:ScenarioPreviouslyReported, sbcf:FirstBankOfThePalmBeaches


None
Period End2020-03-13
Value173
Percentage of BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentLiabilitiesAccountsPayable100.0

us-gaap:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedIntangibles us-gaap:BusinessAcquisition

us-gaap:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedIntangibles

sbcf:FirstBankOfThePalmBeaches


None
Period End2020-03-13
Value0.819
Percentage of BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedIntangibles100.0

us-gaap:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedIntangibles us-gaap:Restatement, us-gaap:BusinessAcquisition

srt:RestatementAdjustment, sbcf:FirstBankOfThePalmBeaches


None
Period End2020-03-13
Value0.0
Percentage of BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedIntangibles0.0

srt:ScenarioPreviouslyReported, sbcf:FirstBankOfThePalmBeaches


None
Period End2020-03-13
Value0.819
Percentage of BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedIntangibles100.0

us-gaap:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedLiabilities us-gaap:BusinessAcquisition

us-gaap:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedLiabilities

sbcf:FirstBankOfThePalmBeaches


None
Period End2020-03-13
Value175
Percentage of BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedLiabilities100.0

us-gaap:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedLiabilities us-gaap:Restatement, us-gaap:BusinessAcquisition

srt:RestatementAdjustment, sbcf:FirstBankOfThePalmBeaches


None
Period End2020-03-13
Value0.02
Percentage of BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedLiabilities0.0

srt:ScenarioPreviouslyReported, sbcf:FirstBankOfThePalmBeaches


None
Period End2020-03-13
Value175
Percentage of BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedLiabilities100.0

us-gaap:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedNoncurrentLiabilitiesOther us-gaap:BusinessAcquisition

us-gaap:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedNoncurrentLiabilitiesOther

sbcf:FirstBankOfThePalmBeaches


None
Period End2020-03-13
Value1.406
Percentage of BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedNoncurrentLiabilitiesOther100.0

us-gaap:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedNoncurrentLiabilitiesOther us-gaap:Restatement, us-gaap:BusinessAcquisition

srt:RestatementAdjustment, sbcf:FirstBankOfThePalmBeaches


None
Period End2020-03-13
Value0.02
Percentage of BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedNoncurrentLiabilitiesOther1.4

srt:ScenarioPreviouslyReported, sbcf:FirstBankOfThePalmBeaches


None
Period End2020-03-13
Value1.386
Percentage of BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedNoncurrentLiabilitiesOther98.6

us-gaap:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedOtherNoncurrentAssets us-gaap:BusinessAcquisition

us-gaap:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedOtherNoncurrentAssets

sbcf:FirstBankOfThePalmBeaches


None
Period End2020-03-13
Value1.305
Percentage of BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedOtherNoncurrentAssets100.0

us-gaap:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedOtherNoncurrentAssets us-gaap:Restatement, us-gaap:BusinessAcquisition

srt:RestatementAdjustment, sbcf:FirstBankOfThePalmBeaches


None
Period End2020-03-13
Value0.02
Percentage of BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedOtherNoncurrentAssets1.5

srt:ScenarioPreviouslyReported, sbcf:FirstBankOfThePalmBeaches


None
Period End2020-03-13
Value1.285
Percentage of BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedOtherNoncurrentAssets98.5

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
Value8482891069798921011231291041148813382891131138169866564394044483633344530293741292835
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:CertainLoansAcquiredInTransferNotAccountedForAsDebtSecuritiesAcquiredDuringPeriodAtAcquisitionAtFairValue us-gaap:BusinessAcquisition

us-gaap:CertainLoansAcquiredInTransferNotAccountedForAsDebtSecuritiesAcquiredDuringPeriodAtAcquisitionAtFairValue

sbcf:FirstBankOfThePalmBeaches


None
Period End2020-03-13
Value146
Percentage of CertainLoansAcquiredInTransferNotAccountedForAsDebtSecuritiesAcquiredDuringPeriodAtAcquisitionAtFairValue100.0

us-gaap:CertainLoansAcquiredInTransferNotAccountedForAsDebtSecuritiesAcquiredDuringPeriodAtAcquisitionAtFairValue us-gaap:BusinessAcquisition, us-gaap:CreditLossStatus

sbcf:FirstBankOfThePalmBeaches, us-gaap:FinancialAssetAcquiredWithCreditDeterioration


None
Period End2020-06-302020-03-312020-03-13
Value434343
Percentage of CertainLoansAcquiredInTransferNotAccountedForAsDebtSecuritiesAcquiredDuringPeriodAtAcquisitionAtFairValue0.00.029.3

us-gaap:CertainLoansAcquiredInTransferNotAccountedForAsDebtSecuritiesAcquiredDuringPeriodAtAcquisitionAtFairValue us-gaap:BusinessAcquisition, us-gaap:FinancialInstrument

sbcf:FirstBankOfThePalmBeaches, sbcf:CommercialRealEstatePortfolioSegmentNonOwnerOccupied


None
Period End2020-03-13
Value35
Percentage of CertainLoansAcquiredInTransferNotAccountedForAsDebtSecuritiesAcquiredDuringPeriodAtAcquisitionAtFairValue23.9

sbcf:FirstBankOfThePalmBeaches, sbcf:CommercialRealEstatePortfolioSegmentOwnerOccupied


None
Period End2020-03-13
Value45
Percentage of CertainLoansAcquiredInTransferNotAccountedForAsDebtSecuritiesAcquiredDuringPeriodAtAcquisitionAtFairValue30.8

sbcf:FirstBankOfThePalmBeaches, sbcf:ConstructionAndLandDevelopmentPortfolioSegment


None
Period End2020-03-13
Value9.012
Percentage of CertainLoansAcquiredInTransferNotAccountedForAsDebtSecuritiesAcquiredDuringPeriodAtAcquisitionAtFairValue6.1

sbcf:FirstBankOfThePalmBeaches, us-gaap:CommercialPortfolioSegment


None
Period End2020-03-13
Value9.388
Percentage of CertainLoansAcquiredInTransferNotAccountedForAsDebtSecuritiesAcquiredDuringPeriodAtAcquisitionAtFairValue6.4

sbcf:FirstBankOfThePalmBeaches, us-gaap:ConsumerPortfolioSegment


None
Period End2020-03-13
Value1.084
Percentage of CertainLoansAcquiredInTransferNotAccountedForAsDebtSecuritiesAcquiredDuringPeriodAtAcquisitionAtFairValue0.7

sbcf:FirstBankOfThePalmBeaches, us-gaap:ResidentialPortfolioSegment


None
Period End2020-03-13
Value47
Percentage of CertainLoansAcquiredInTransferNotAccountedForAsDebtSecuritiesAcquiredDuringPeriodAtAcquisitionAtFairValue32.0

us-gaap:CertainLoansAcquiredInTransferNotAccountedForAsDebtSecuritiesCarryingAmountNet us-gaap:BusinessAcquisition

us-gaap:CertainLoansAcquiredInTransferNotAccountedForAsDebtSecuritiesCarryingAmountNet

sbcf:FirstBankOfThePalmBeaches


None
Period End2020-03-13
Value150
Percentage of CertainLoansAcquiredInTransferNotAccountedForAsDebtSecuritiesCarryingAmountNet100.0

us-gaap:CertainLoansAcquiredInTransferNotAccountedForAsDebtSecuritiesCarryingAmountNet us-gaap:BusinessAcquisition, us-gaap:FinancialInstrument

sbcf:FirstBankOfThePalmBeaches, sbcf:CommercialRealEstatePortfolioSegmentNonOwnerOccupied


None
Period End2020-03-13
Value36
Percentage of CertainLoansAcquiredInTransferNotAccountedForAsDebtSecuritiesCarryingAmountNet24.1

sbcf:FirstBankOfThePalmBeaches, sbcf:CommercialRealEstatePortfolioSegmentOwnerOccupied


None
Period End2020-03-13
Value46
Percentage of CertainLoansAcquiredInTransferNotAccountedForAsDebtSecuritiesCarryingAmountNet30.7

sbcf:FirstBankOfThePalmBeaches, sbcf:ConstructionAndLandDevelopmentPortfolioSegment


None
Period End2020-03-13
Value9.493
Percentage of CertainLoansAcquiredInTransferNotAccountedForAsDebtSecuritiesCarryingAmountNet6.3

sbcf:FirstBankOfThePalmBeaches, us-gaap:CommercialPortfolioSegment


None
Period End2020-03-13
Value9.659
Percentage of CertainLoansAcquiredInTransferNotAccountedForAsDebtSecuritiesCarryingAmountNet6.4

sbcf:FirstBankOfThePalmBeaches, us-gaap:ConsumerPortfolioSegment


None
Period End2020-03-13
Value1.132
Percentage of CertainLoansAcquiredInTransferNotAccountedForAsDebtSecuritiesCarryingAmountNet0.8

sbcf:FirstBankOfThePalmBeaches, us-gaap:ResidentialPortfolioSegment


None
Period End2020-03-13
Value47
Percentage of CertainLoansAcquiredInTransferNotAccountedForAsDebtSecuritiesCarryingAmountNet31.6

us-gaap:DebtSecuritiesAvailableForSaleAllowanceForCreditLoss us-gaap:FinancialInstrument

us-gaap:DebtSecuritiesAvailableForSaleAllowanceForCreditLoss

sbcf:PrivatelyIssuedMortgageBackedSecurities


None
Period End2020-06-30
Value0
Percentage of DebtSecuritiesAvailableForSaleAllowanceForCreditLoss0.0

us-gaap:CollateralizedLoanObligations


None
Period End2020-06-30
Value0
Percentage of DebtSecuritiesAvailableForSaleAllowanceForCreditLoss0.0

us-gaap:DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPosition12MonthsOrLonger

us-gaap:DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPosition12MonthsOrLonger


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302018-12-31
Value108115214226277646
Percentage of DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPosition12MonthsOrLonger100.0100.0100.0100.0100.0100.0

us-gaap:DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPosition12MonthsOrLonger us-gaap:FinancialInstrument

sbcf:PrivatelyIssuedMortgageBackedSecurities


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302018-12-31
Value0.00.00.00.00.012
Percentage of DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPosition12MonthsOrLonger0.00.00.00.00.02.0

us-gaap:CollateralizedLoanObligations


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302018-12-31
Value108115110110530.0
Percentage of DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPosition12MonthsOrLonger99.799.751.548.919.10.0

us-gaap:MortgageBackedSecuritiesIssuedByUSGovernmentSponsoredEnterprises


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302018-12-31
Value0.3570.363104115221623
Percentage of DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPosition12MonthsOrLonger0.30.348.551.179.696.5

us-gaap:USStatesAndPoliticalSubdivisions


None
Period End2020-06-302020-03-312019-12-312019-06-302018-12-31
Value0.00.00.03.5779.553
Percentage of DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPosition12MonthsOrLonger0.00.00.01.31.5

us-gaap:USTreasuryAndGovernment


None
Period End2020-06-302019-12-312019-09-302018-12-31
Value0.00.00.00.642
Percentage of DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPosition12MonthsOrLonger0.00.00.00.1

us-gaap:DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPosition12MonthsOrLongerAccumulatedLoss

us-gaap:DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPosition12MonthsOrLongerAccumulatedLoss


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302018-12-31
Value3.822132.5062.4763.74519
Percentage of DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPosition12MonthsOrLongerAccumulatedLoss100.0100.0100.0100.0100.0100.0

us-gaap:DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPosition12MonthsOrLongerAccumulatedLoss us-gaap:FinancialInstrument

sbcf:PrivatelyIssuedMortgageBackedSecurities


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302018-12-31
Value0.00.00.00.00.00.187
Percentage of DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPosition12MonthsOrLongerAccumulatedLoss0.00.00.00.00.01.0

us-gaap:CollateralizedLoanObligations


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302018-12-31
Value3.806130.5830.8340.4980.0
Percentage of DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPosition12MonthsOrLongerAccumulatedLoss99.699.923.333.713.30.0

us-gaap:MortgageBackedSecuritiesIssuedByUSGovernmentSponsoredEnterprises


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302018-12-31
Value0.0160.0131.9231.6423.13619
Percentage of DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPosition12MonthsOrLongerAccumulatedLoss0.40.176.766.383.797.9

us-gaap:USStatesAndPoliticalSubdivisions


None
Period End2020-06-302020-03-312019-12-312019-06-302018-12-31
Value0.00.00.00.1110.21
Percentage of DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPosition12MonthsOrLongerAccumulatedLoss0.00.00.03.01.1

us-gaap:USTreasuryAndGovernment


None
Period End2020-06-302019-12-312019-09-302018-12-31
Value0.00.00.00.005
Percentage of DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPosition12MonthsOrLongerAccumulatedLoss0.00.00.00.0

us-gaap:DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12Months

us-gaap:DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12Months


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302018-12-31
Value174146312210248478
Percentage of DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12Months100.0100.0100.0100.0100.0100.0

us-gaap:DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12Months us-gaap:FinancialInstrument

sbcf:PrivatelyIssuedMortgageBackedSecurities


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302018-12-31
Value24372.9788.011120
Percentage of DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12Months14.025.81.03.84.64.2

us-gaap:CollateralizedLoanObligations


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302018-12-31
Value847088118183238
Percentage of DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12Months48.247.928.356.473.749.9

us-gaap:MortgageBackedSecuritiesIssuedByUSGovernmentSponsoredEnterprises


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302018-12-31
Value65372208354200
Percentage of DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12Months37.325.570.339.521.841.8

us-gaap:USStatesAndPoliticalSubdivisions


None
Period End2020-06-302020-03-312019-12-312019-06-302018-12-31
Value0.5121.2390.5150.019
Percentage of DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12Months0.30.80.20.04.0

us-gaap:USTreasuryAndGovernment


None
Period End2020-06-302019-12-312019-09-302018-12-31
Value0.2690.7580.4380.099
Percentage of DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12Months0.20.20.20.0

us-gaap:DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12MonthsAccumulatedLoss

us-gaap:DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12MonthsAccumulatedLoss


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302018-12-31
Value2266000.09118000.02041000.0969000.0876000.07140000.0
Percentage of DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12MonthsAccumulatedLoss100.0100.0100.0100.0100.0100.0

us-gaap:DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12MonthsAccumulatedLoss us-gaap:FinancialInstrument

sbcf:PrivatelyIssuedMortgageBackedSecurities


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302018-12-31
Value550000.02410000.05000.017000.05000.0344000.0
Percentage of DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12MonthsAccumulatedLoss24.326.40.21.80.64.8

us-gaap:CollateralizedLoanObligations


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302018-12-31
Value1638000.06465000.0570000.0568000.0635000.04319000.0
Percentage of DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12MonthsAccumulatedLoss72.370.927.958.672.560.5

us-gaap:MortgageBackedSecuritiesIssuedByUSGovernmentSponsoredEnterprises


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302018-12-31
Value74000.0239000.01461000.0383000.0236000.02235000.0
Percentage of DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12MonthsAccumulatedLoss3.32.671.639.526.931.3

us-gaap:USStatesAndPoliticalSubdivisions


None
Period End2020-06-302020-03-312019-12-312019-06-302018-12-31
Value3000.04000.01000.00241000.0
Percentage of DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12MonthsAccumulatedLoss0.10.00.00.03.4

us-gaap:USTreasuryAndGovernment


None
Period End2020-06-302019-12-312019-09-302018-12-31
Value1000.04000.01000.01000.0
Percentage of DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12MonthsAccumulatedLoss0.00.20.10.0

us-gaap:DebtSecuritiesAvailableForSaleUnrealizedLossPosition

us-gaap:DebtSecuritiesAvailableForSaleUnrealizedLossPosition


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302018-12-31
Value2832625274365261124
Percentage of DebtSecuritiesAvailableForSaleUnrealizedLossPosition100.0100.0100.0100.0100.0100.0

us-gaap:DebtSecuritiesAvailableForSaleUnrealizedLossPosition us-gaap:CreditRatingStandardPoors, us-gaap:FinancialInstrument

sbcf:StandardPoorsAAAAARating, us-gaap:CollateralizedLoanObligations


None
Period End2020-03-31
Value164
Percentage of DebtSecuritiesAvailableForSaleUnrealizedLossPosition62.7

srt:StandardPoorsARating, us-gaap:CollateralizedLoanObligations


None
Period End2020-03-31
Value21
Percentage of DebtSecuritiesAvailableForSaleUnrealizedLossPosition8.0

us-gaap:DebtSecuritiesAvailableForSaleUnrealizedLossPosition us-gaap:FinancialInstrument

sbcf:PrivatelyIssuedMortgageBackedSecurities


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302018-12-31
Value24372.9788.011132
Percentage of DebtSecuritiesAvailableForSaleUnrealizedLossPosition8.614.40.61.82.22.9

us-gaap:CollateralizedLoanObligations


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302018-12-31
Value192185199229236238
Percentage of DebtSecuritiesAvailableForSaleUnrealizedLossPosition68.070.837.852.544.921.2

us-gaap:MortgageBackedSecuritiesIssuedByUSGovernmentSponsoredEnterprises


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302018-12-31
Value6537324198275823
Percentage of DebtSecuritiesAvailableForSaleUnrealizedLossPosition23.114.461.445.552.373.2

us-gaap:USStatesAndPoliticalSubdivisions


None
Period End2020-06-302020-03-312019-12-312019-06-302018-12-31
Value0.5121.2390.5153.57728
Percentage of DebtSecuritiesAvailableForSaleUnrealizedLossPosition0.20.50.10.72.6

us-gaap:USTreasuryAndGovernment


None
Period End2020-06-302019-12-312019-09-302018-12-31
Value0.2690.7580.4380.741
Percentage of DebtSecuritiesAvailableForSaleUnrealizedLossPosition0.10.10.10.1

us-gaap:DebtSecuritiesAvailableForSaleUnrealizedLossPositionAccumulatedLoss

us-gaap:DebtSecuritiesAvailableForSaleUnrealizedLossPositionAccumulatedLoss


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302018-12-31
Value6.088224.5473.4454.62126
Percentage of DebtSecuritiesAvailableForSaleUnrealizedLossPositionAccumulatedLoss100.0100.0100.0100.0100.0100.0

us-gaap:DebtSecuritiesAvailableForSaleUnrealizedLossPositionAccumulatedLoss us-gaap:FinancialInstrument

sbcf:PrivatelyIssuedMortgageBackedSecurities


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302018-12-31
Value0.552.410.0050.0170.0050.531
Percentage of DebtSecuritiesAvailableForSaleUnrealizedLossPositionAccumulatedLoss9.010.90.10.50.12.0

us-gaap:CollateralizedLoanObligations


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302018-12-31
Value5.444191.1531.4021.1334.319
Percentage of DebtSecuritiesAvailableForSaleUnrealizedLossPositionAccumulatedLoss89.488.025.440.724.516.2

us-gaap:MortgageBackedSecuritiesIssuedByUSGovernmentSponsoredEnterprises


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302018-12-31
Value0.090.2523.3842.0253.37221
Percentage of DebtSecuritiesAvailableForSaleUnrealizedLossPositionAccumulatedLoss1.51.174.458.873.080.1

us-gaap:USStatesAndPoliticalSubdivisions


None
Period End2020-06-302020-03-312019-12-312019-06-302018-12-31
Value0.0030.0040.0010.1110.451
Percentage of DebtSecuritiesAvailableForSaleUnrealizedLossPositionAccumulatedLoss0.00.00.02.41.7

us-gaap:USTreasuryAndGovernment


None
Period End2020-06-302019-12-312019-09-302018-12-31
Value0.0010.0040.0010.006
Percentage of DebtSecuritiesAvailableForSaleUnrealizedLossPositionAccumulatedLoss0.00.10.00.0

us-gaap:DebtSecuritiesAvailableForSaleUnrealizedLossPositionNumberOfPositions us-gaap:CreditRatingStandardPoors, us-gaap:FinancialInstrument

us-gaap:DebtSecuritiesAvailableForSaleUnrealizedLossPositionNumberOfPositions

sbcf:StandardPoorsAAAAARating, us-gaap:CollateralizedLoanObligations


None
Period End2020-03-31
Value23.0
Percentage of DebtSecuritiesAvailableForSaleUnrealizedLossPositionNumberOfPositions100.0

srt:StandardPoorsARating, us-gaap:CollateralizedLoanObligations


None
Period End2020-03-31
Value6.0
Percentage of DebtSecuritiesAvailableForSaleUnrealizedLossPositionNumberOfPositions26.1

us-gaap:DebtSecuritiesAvailableForSaleUnrealizedLossPositionNumberOfPositions us-gaap:FinancialInstrument

us-gaap:CollateralizedLoanObligations


None
Period End2020-03-31
Value29.0
Percentage of DebtSecuritiesAvailableForSaleUnrealizedLossPositionNumberOfPositions126.1

us-gaap:DeferredCostsCurrentAndNoncurrent

us-gaap:DeferredCostsCurrentAndNoncurrent


None
Period End2020-03-312019-12-31
Value2019
Percentage of DeferredCostsCurrentAndNoncurrent100.0100.0

us-gaap:DeferredCostsCurrentAndNoncurrent us-gaap:AccountsNotesLoansAndFinancingReceivableByReceivableType

sbcf:PortfolioLoans


None
Period End2020-06-30
Value21
Percentage of DeferredCostsCurrentAndNoncurrent0.0

us-gaap:DeferredIncomeTaxAssetsNet

us-gaap:DeferredIncomeTaxAssetsNet


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-312017-12-222017-12-01
Value211916171924282526258.625
Percentage of DeferredIncomeTaxAssetsNet100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:Deposits

us-gaap:Deposits


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302010-12-31
Value66665887558456735541560551774643469747194592411239753678352335103501322228442742260526092416180818051819180616981738176217581679168917371718166116811637
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:DepositsFairValueDisclosure us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementFrequency

us-gaap:DepositsFairValueDisclosure

us-gaap:FairValueInputsLevel3, us-gaap:FairValueMeasurementsRecurring


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-31
Value6673589255845672554156035172463846924588
Percentage of DepositsFairValueDisclosure100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DepositsFairValueDisclosure us-gaap:FairValueByMeasurementBasis, us-gaap:FairValueByMeasurementFrequency

us-gaap:CarryingReportedAmountFairValueDisclosure, us-gaap:FairValueMeasurementsRecurring


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-31
Value6666588755845673554156055177464346974592
Percentage of DepositsFairValueDisclosure99.999.9100.0100.0100.0100.0100.1100.1100.1100.1

us-gaap:FairValueLiabilitiesMeasuredOnRecurringBasisSubordinatedDebtObligations us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementFrequency

us-gaap:FairValueLiabilitiesMeasuredOnRecurringBasisSubordinatedDebtObligations

us-gaap:FairValueInputsLevel2, us-gaap:FairValueMeasurementsRecurring


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-31
Value64646461616161616161
Percentage of FairValueLiabilitiesMeasuredOnRecurringBasisSubordinatedDebtObligations100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:FairValueLiabilitiesMeasuredOnRecurringBasisSubordinatedDebtObligations us-gaap:FairValueByMeasurementBasis, us-gaap:FairValueByMeasurementFrequency

us-gaap:CarryingReportedAmountFairValueDisclosure, us-gaap:FairValueMeasurementsRecurring


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-31
Value71717171707070707070
Percentage of FairValueLiabilitiesMeasuredOnRecurringBasisSubordinatedDebtObligations111.0111.0111.0116.1116.1116.1115.6114.6114.6114.6

us-gaap:FederalHomeLoanBankBorrowingsFairValueDisclosure us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementFrequency

us-gaap:FederalHomeLoanBankBorrowingsFairValueDisclosure

us-gaap:FairValueInputsLevel3, us-gaap:FairValueMeasurementsRecurring


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-31
Value134264314491393.0380261204211
Percentage of FederalHomeLoanBankBorrowingsFairValueDisclosure100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:FederalHomeLoanBankBorrowingsFairValueDisclosure us-gaap:FairValueByMeasurementBasis, us-gaap:FairValueByMeasurementFrequency

us-gaap:CarryingReportedAmountFairValueDisclosure, us-gaap:FairValueMeasurementsRecurring


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-31
Value135265315501403.0380261205211
Percentage of FederalHomeLoanBankBorrowingsFairValueDisclosure100.2100.1100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:FederalHomeLoanBankConsolidatedObligations

us-gaap:FederalHomeLoanBankConsolidatedObligations


None
Period End2020-06-302020-03-312019-12-312018-12-31
Value135265315380
Percentage of FederalHomeLoanBankConsolidatedObligations100.0100.0100.0100.0

us-gaap:FinancingReceivableAllowanceForCreditLosses

us-gaap:FinancingReceivableAllowanceForCreditLosses


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-06-302013-03-31
Value9185353333323233282827262624232220191919181717171819202021
Percentage of FinancingReceivableAllowanceForCreditLosses100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:FinancingReceivableAllowanceForCreditLosses us-gaap:FinancingReceivablePortfolioSegment

sbcf:CommercialRealEstatePortfolioSegmentNonOwnerOccupied


None
Period End2020-06-302020-03-312019-12-31
Value38357.863
Percentage of FinancingReceivableAllowanceForCreditLosses42.741.722.4

sbcf:CommercialRealEstatePortfolioSegmentOwnerOccupied


None
Period End2020-06-302020-03-312019-12-31
Value5.5625.3275.361
Percentage of FinancingReceivableAllowanceForCreditLosses6.16.215.3

sbcf:ConstructionAndLandDevelopmentPortfolioSegment


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-31
Value7.1614.6461.8421.8542.2432.322.233
Percentage of FinancingReceivableAllowanceForCreditLosses7.85.45.25.56.77.16.9

us-gaap:CommercialPortfolioSegment


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-31
Value15159.7168.3518.9128.5738.585
Percentage of FinancingReceivableAllowanceForCreditLosses17.018.127.624.926.626.126.5

us-gaap:ConsumerPortfolioSegment


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-31
Value3.5684.4262.7052.8142.9722.7312.718
Percentage of FinancingReceivableAllowanceForCreditLosses3.95.27.78.48.98.38.4

us-gaap:ResidentialPortfolioSegment


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-31
Value20197.6677.5897.5087.4457.775
Percentage of FinancingReceivableAllowanceForCreditLosses22.423.321.822.622.422.724.0

us-gaap:FinancingReceivableAllowanceForCreditLossesCollectivelyEvaluatedForImpairment

us-gaap:FinancingReceivableAllowanceForCreditLossesCollectivelyEvaluatedForImpairment


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-30
Value868032323130292726252424242220201817161615141313131514-15.239141414141516181919
Percentage of FinancingReceivableAllowanceForCreditLossesCollectivelyEvaluatedForImpairment100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:FinancingReceivableAllowanceForCreditLossesCollectivelyEvaluatedForImpairment us-gaap:FinancingReceivablePortfolioSegment

sbcf:CommercialRealEstatePortfolioSegmentNonOwnerOccupied


None
Period End2020-06-302020-03-31
Value3835
Percentage of FinancingReceivableAllowanceForCreditLossesCollectivelyEvaluatedForImpairment45.043.8

sbcf:CommercialRealEstatePortfolioSegmentOwnerOccupied


None
Period End2020-06-302020-03-31
Value5.4025.075
Percentage of FinancingReceivableAllowanceForCreditLossesCollectivelyEvaluatedForImpairment6.36.3

sbcf:ConstructionAndLandDevelopmentPortfolioSegment


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-31
Value7.1414.6331.8281.8382.2242.32.211
Percentage of FinancingReceivableAllowanceForCreditLossesCollectivelyEvaluatedForImpairment8.35.75.75.77.17.67.4

sbcf:CoronavirusAidReliefAndEconomicSecurityActPaycheckProtectionProgramLoan


None
Period End2020-06-30
Value0.0
Percentage of FinancingReceivableAllowanceForCreditLossesCollectivelyEvaluatedForImpairment0.0

us-gaap:CommercialPortfolioSegment


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-31
Value11127.9857.6247.7337.2447.087
Percentage of FinancingReceivableAllowanceForCreditLossesCollectivelyEvaluatedForImpairment13.815.824.723.824.723.823.9

us-gaap:ConsumerPortfolioSegment


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-31
Value3.4614.1792.6462.7572.8532.642.684
Percentage of FinancingReceivableAllowanceForCreditLossesCollectivelyEvaluatedForImpairment4.05.28.28.69.18.79.0

us-gaap:ResidentialPortfolioSegment


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-31
Value19186.8337.0726.9656.8686.97
Percentage of FinancingReceivableAllowanceForCreditLossesCollectivelyEvaluatedForImpairment22.523.221.222.122.222.623.5

us-gaap:FinancingReceivableAllowanceForCreditLossesIndividuallyEvaluatedForImpairment1

us-gaap:FinancingReceivableAllowanceForCreditLossesIndividuallyEvaluatedForImpairment1


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-30
Value5.244.6922.8581.5642.1982.372.7286.1382.0732.7452.4022.071.9111.7822.4542.0452.2642.2222.5173.0763.1363.3233.5414.4364.6934.4075.446-5.1775.3596.7137.2698.5189.2738.1926.9798.70411
Percentage of FinancingReceivableAllowanceForCreditLossesIndividuallyEvaluatedForImpairment1100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:FinancingReceivableAllowanceForCreditLossesIndividuallyEvaluatedForImpairment1 us-gaap:FinancingReceivablePortfolioSegment

sbcf:CommercialRealEstatePortfolioSegmentNonOwnerOccupied


None
Period End2020-06-302020-03-31
Value0.2540.316
Percentage of FinancingReceivableAllowanceForCreditLossesIndividuallyEvaluatedForImpairment14.86.7

sbcf:CommercialRealEstatePortfolioSegmentOwnerOccupied


None
Period End2020-06-302020-03-31
Value0.160.252
Percentage of FinancingReceivableAllowanceForCreditLossesIndividuallyEvaluatedForImpairment13.15.4

sbcf:ConstructionAndLandDevelopmentPortfolioSegment


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-31
Value0.020.0130.0140.0160.0190.020.022
Percentage of FinancingReceivableAllowanceForCreditLossesIndividuallyEvaluatedForImpairment10.40.30.51.00.90.80.8

sbcf:CoronavirusAidReliefAndEconomicSecurityActPaycheckProtectionProgramLoan


None
Period End2020-06-30
Value0.0
Percentage of FinancingReceivableAllowanceForCreditLossesIndividuallyEvaluatedForImpairment10.0

us-gaap:CommercialPortfolioSegment


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-31
Value3.6282.7011.7310.7271.1791.3291.498
Percentage of FinancingReceivableAllowanceForCreditLossesIndividuallyEvaluatedForImpairment169.257.660.646.553.656.154.9

us-gaap:ConsumerPortfolioSegment


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-31
Value0.1070.2470.0590.0570.1190.0910.034
Percentage of FinancingReceivableAllowanceForCreditLossesIndividuallyEvaluatedForImpairment12.05.32.13.65.43.81.2

us-gaap:ResidentialPortfolioSegment


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-31
Value1.0711.1630.8340.5170.5430.5770.805
Percentage of FinancingReceivableAllowanceForCreditLossesIndividuallyEvaluatedForImpairment120.424.829.233.124.724.329.5

us-gaap:FinancingReceivableCollectivelyEvaluatedForImpairment

us-gaap:FinancingReceivableCollectivelyEvaluatedForImpairment


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-30
Value5730527851494937483947794774400839223850376933443286292928332726257124062111205218921806177013431285126112511208120311471143111311181116110711031082
Percentage of FinancingReceivableCollectivelyEvaluatedForImpairment100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:FinancingReceivableCollectivelyEvaluatedForImpairment us-gaap:FinancingReceivablePortfolioSegment

sbcf:CommercialRealEstatePortfolioSegmentNonOwnerOccupied


None
Period End2020-06-302020-03-31
Value13841372
Percentage of FinancingReceivableCollectivelyEvaluatedForImpairment24.226.0

sbcf:CommercialRealEstatePortfolioSegmentOwnerOccupied


None
Period End2020-06-302020-03-31
Value10721078
Percentage of FinancingReceivableCollectivelyEvaluatedForImpairment18.720.4

sbcf:ConstructionAndLandDevelopmentPortfolioSegment


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-31
Value298294319321379417443
Percentage of FinancingReceivableCollectivelyEvaluatedForImpairment5.25.66.26.57.88.79.3

sbcf:CoronavirusAidReliefAndEconomicSecurityActPaycheckProtectionProgramLoan


None
Period End2020-06-30
Value576
Percentage of FinancingReceivableCollectivelyEvaluatedForImpairment10.1

us-gaap:CommercialPortfolioSegment


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-31
Value747787771716698708718
Percentage of FinancingReceivableCollectivelyEvaluatedForImpairment13.014.915.014.514.414.815.0

us-gaap:ConsumerPortfolioSegment


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-31
Value201201207217215206202
Percentage of FinancingReceivableCollectivelyEvaluatedForImpairment3.53.84.04.44.54.34.2

us-gaap:ResidentialPortfolioSegment


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-31
Value1449154514911392138213101302
Percentage of FinancingReceivableCollectivelyEvaluatedForImpairment25.329.329.028.228.627.427.3

us-gaap:FinancingReceivableIndividuallyEvaluatedForImpairment

us-gaap:FinancingReceivableIndividuallyEvaluatedForImpairment


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-30
Value413836353435363838323029303132293131323438404347495052546276828810399100105106
Percentage of FinancingReceivableIndividuallyEvaluatedForImpairment100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:FinancingReceivableIndividuallyEvaluatedForImpairment us-gaap:FinancingReceivablePortfolioSegment

sbcf:CommercialRealEstatePortfolioSegmentNonOwnerOccupied


None
Period End2020-06-302020-03-31
Value7.8838.916
Percentage of FinancingReceivableIndividuallyEvaluatedForImpairment18.923.3

sbcf:CommercialRealEstatePortfolioSegmentOwnerOccupied


None
Period End2020-06-302020-03-31
Value4.4914.59
Percentage of FinancingReceivableIndividuallyEvaluatedForImpairment10.712.0

sbcf:ConstructionAndLandDevelopmentPortfolioSegment


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-31
Value0.7260.7295.2175.070.7570.1970.211
Percentage of FinancingReceivableIndividuallyEvaluatedForImpairment1.71.914.514.12.20.60.6

sbcf:CoronavirusAidReliefAndEconomicSecurityActPaycheckProtectionProgramLoan


None
Period End2020-06-30
Value0.0
Percentage of FinancingReceivableIndividuallyEvaluatedForImpairment0.0

us-gaap:CommercialPortfolioSegment


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-31
Value9.8228.6186.6315.3552.9734.0613.322
Percentage of FinancingReceivableIndividuallyEvaluatedForImpairment23.522.518.414.98.611.59.1

us-gaap:ConsumerPortfolioSegment


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-31
Value0.6810.7540.3370.3470.4410.4020.482
Percentage of FinancingReceivableIndividuallyEvaluatedForImpairment1.62.00.91.01.31.11.3

us-gaap:ResidentialPortfolioSegment


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-31
Value18141614151519
Percentage of FinancingReceivableIndividuallyEvaluatedForImpairment43.638.344.640.844.045.151.9

us-gaap:FinancingReceivableNonaccrualNoAllowance

us-gaap:FinancingReceivableNonaccrualNoAllowance


None
Period End2020-06-302020-03-312019-12-31
Value221623
Percentage of FinancingReceivableNonaccrualNoAllowance100.0100.0100.0

us-gaap:FinancingReceivableNonaccrualNoAllowance us-gaap:FinancingReceivablePortfolioSegment

sbcf:CommercialRealEstatePortfolioSegmentNonOwnerOccupied


None
Period End2020-06-302020-03-31
Value2.0963.221
Percentage of FinancingReceivableNonaccrualNoAllowance9.219.6

sbcf:CommercialRealEstatePortfolioSegmentOwnerOccupied


None
Period End2020-06-302020-03-31
Value3.4451.169
Percentage of FinancingReceivableNonaccrualNoAllowance15.17.1

sbcf:ConstructionAndLandDevelopmentPortfolioSegment


None
Period End2020-06-302020-03-312019-12-31
Value0.5850.5844.914
Percentage of FinancingReceivableNonaccrualNoAllowance2.63.521.1

us-gaap:CommercialPortfolioSegment


None
Period End2020-06-302020-03-312019-12-31
Value4.8083.5713.449
Percentage of FinancingReceivableNonaccrualNoAllowance21.121.714.8

us-gaap:ConsumerPortfolioSegment


None
Period End2020-06-302020-03-312019-12-31
Value0.0320.0360.039
Percentage of FinancingReceivableNonaccrualNoAllowance0.10.20.2

us-gaap:ResidentialPortfolioSegment


None
Period End2020-06-302020-03-312019-12-31
Value117.898.7
Percentage of FinancingReceivableNonaccrualNoAllowance52.047.937.3

us-gaap:FinancingReceivableOriginatedFiveOrMoreYearsBeforeLatestFiscalYear

us-gaap:FinancingReceivableOriginatedFiveOrMoreYearsBeforeLatestFiscalYear


None
Period End2020-06-302020-03-31
Value10391094
Percentage of FinancingReceivableOriginatedFiveOrMoreYearsBeforeLatestFiscalYear100.0100.0

us-gaap:FinancingReceivableOriginatedFiveOrMoreYearsBeforeLatestFiscalYear us-gaap:FinancingReceivablePortfolioSegment

sbcf:CommercialRealEstatePortfolioSegmentNonOwnerOccupied


None
Period End2020-06-302020-03-31
Value401407
Percentage of FinancingReceivableOriginatedFiveOrMoreYearsBeforeLatestFiscalYear38.737.2

sbcf:CommercialRealEstatePortfolioSegmentOwnerOccupied


None
Period End2020-06-302020-03-31
Value330351
Percentage of FinancingReceivableOriginatedFiveOrMoreYearsBeforeLatestFiscalYear31.832.1

sbcf:ConstructionAndLandDevelopmentPortfolioSegment


None
Period End2020-06-302020-03-31
Value2020
Percentage of FinancingReceivableOriginatedFiveOrMoreYearsBeforeLatestFiscalYear2.01.9

sbcf:CoronavirusAidReliefAndEconomicSecurityActPaycheckProtectionProgramLoan


None
Period End2020-06-30
Value0.0
Percentage of FinancingReceivableOriginatedFiveOrMoreYearsBeforeLatestFiscalYear0.0

us-gaap:CommercialPortfolioSegment


None
Period End2020-06-302020-03-31
Value5762
Percentage of FinancingReceivableOriginatedFiveOrMoreYearsBeforeLatestFiscalYear5.55.7

us-gaap:ConsumerPortfolioSegment


None
Period End2020-06-302020-03-31
Value1314
Percentage of FinancingReceivableOriginatedFiveOrMoreYearsBeforeLatestFiscalYear1.31.4

us-gaap:ResidentialPortfolioSegment


None
Period End2020-06-302020-03-31
Value215237
Percentage of FinancingReceivableOriginatedFiveOrMoreYearsBeforeLatestFiscalYear20.721.7

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

sbcf:CommercialRealEstatePortfolioSegmentNonOwnerOccupied, sbcf:SubstandardImpaired


None
Period End2020-06-302020-03-31
Value4.0444.927
Percentage of FinancingReceivableOriginatedFiveOrMoreYearsBeforeLatestFiscalYear0.40.5

sbcf:CommercialRealEstatePortfolioSegmentNonOwnerOccupied, us-gaap:Pass


None
Period End2020-06-302020-03-31
Value390390
Percentage of FinancingReceivableOriginatedFiveOrMoreYearsBeforeLatestFiscalYear37.635.7

sbcf:CommercialRealEstatePortfolioSegmentNonOwnerOccupied, us-gaap:SpecialMention


None
Period End2020-06-302020-03-31
Value1.1176.529
Percentage of FinancingReceivableOriginatedFiveOrMoreYearsBeforeLatestFiscalYear0.10.6

sbcf:CommercialRealEstatePortfolioSegmentNonOwnerOccupied, us-gaap:Substandard


None
Period End2020-06-302020-03-31
Value6.3675.345
Percentage of FinancingReceivableOriginatedFiveOrMoreYearsBeforeLatestFiscalYear0.60.5

sbcf:CommercialRealEstatePortfolioSegmentOwnerOccupied, sbcf:SubstandardImpaired


None
Period End2020-06-302020-03-31
Value3.6342.735
Percentage of FinancingReceivableOriginatedFiveOrMoreYearsBeforeLatestFiscalYear0.30.2

sbcf:CommercialRealEstatePortfolioSegmentOwnerOccupied, us-gaap:Pass


None
Period End2020-06-302020-03-31
Value317339
Percentage of FinancingReceivableOriginatedFiveOrMoreYearsBeforeLatestFiscalYear30.631.0

sbcf:CommercialRealEstatePortfolioSegmentOwnerOccupied, us-gaap:SpecialMention


None
Period End2020-06-302020-03-31
Value4.0885.147
Percentage of FinancingReceivableOriginatedFiveOrMoreYearsBeforeLatestFiscalYear0.40.5

sbcf:CommercialRealEstatePortfolioSegmentOwnerOccupied, us-gaap:Substandard


None
Period End2020-06-302020-03-31
Value5.13.335
Percentage of FinancingReceivableOriginatedFiveOrMoreYearsBeforeLatestFiscalYear0.50.3

sbcf:ConstructionAndLandDevelopmentPortfolioSegment, sbcf:SubstandardImpaired


None
Period End2020-06-302020-03-31
Value0.1510.154
Percentage of FinancingReceivableOriginatedFiveOrMoreYearsBeforeLatestFiscalYear0.00.0

sbcf:ConstructionAndLandDevelopmentPortfolioSegment, us-gaap:Pass


None
Period End2020-06-302020-03-31
Value1818
Percentage of FinancingReceivableOriginatedFiveOrMoreYearsBeforeLatestFiscalYear1.81.7

sbcf:ConstructionAndLandDevelopmentPortfolioSegment, us-gaap:SpecialMention


None
Period End2020-06-302020-03-31
Value2.1472.191
Percentage of FinancingReceivableOriginatedFiveOrMoreYearsBeforeLatestFiscalYear0.20.2

sbcf:ConstructionAndLandDevelopmentPortfolioSegment, us-gaap:Substandard


None
Period End2020-06-302020-03-31
Value0.0580.032
Percentage of FinancingReceivableOriginatedFiveOrMoreYearsBeforeLatestFiscalYear0.00.0

sbcf:CoronavirusAidReliefAndEconomicSecurityActPaycheckProtectionProgramLoan, us-gaap:Pass


None
Period End2020-06-30
Value0.0
Percentage of FinancingReceivableOriginatedFiveOrMoreYearsBeforeLatestFiscalYear0.0

us-gaap:CommercialPortfolioSegment, sbcf:SubstandardImpaired


None
Period End2020-06-302020-03-31
Value0.941.167
Percentage of FinancingReceivableOriginatedFiveOrMoreYearsBeforeLatestFiscalYear0.10.1

us-gaap:CommercialPortfolioSegment, us-gaap:Pass


None
Period End2020-06-302020-03-31
Value5256
Percentage of FinancingReceivableOriginatedFiveOrMoreYearsBeforeLatestFiscalYear5.15.2

us-gaap:CommercialPortfolioSegment, us-gaap:SpecialMention


None
Period End2020-06-302020-03-31
Value2.2552.505
Percentage of FinancingReceivableOriginatedFiveOrMoreYearsBeforeLatestFiscalYear0.20.2

us-gaap:CommercialPortfolioSegment, us-gaap:Substandard


None
Period End2020-06-302020-03-31
Value1.6981.922
Percentage of FinancingReceivableOriginatedFiveOrMoreYearsBeforeLatestFiscalYear0.20.2

us-gaap:ConsumerPortfolioSegment, sbcf:SubstandardImpaired


None
Period End2020-06-302020-03-31
Value0.2240.709
Percentage of FinancingReceivableOriginatedFiveOrMoreYearsBeforeLatestFiscalYear0.00.1

us-gaap:ConsumerPortfolioSegment, us-gaap:Pass


None
Period End2020-06-302020-03-31
Value1214
Percentage of FinancingReceivableOriginatedFiveOrMoreYearsBeforeLatestFiscalYear1.21.3

us-gaap:ConsumerPortfolioSegment, us-gaap:SpecialMention


None
Period End2020-06-302020-03-31
Value0.0870.097
Percentage of FinancingReceivableOriginatedFiveOrMoreYearsBeforeLatestFiscalYear0.00.0

us-gaap:ConsumerPortfolioSegment, us-gaap:Substandard


None
Period End2020-06-302020-03-31
Value0.0390.051
Percentage of FinancingReceivableOriginatedFiveOrMoreYearsBeforeLatestFiscalYear0.00.0

us-gaap:ResidentialPortfolioSegment, sbcf:SubstandardImpaired


None
Period End2020-06-302020-03-31
Value1011
Percentage of FinancingReceivableOriginatedFiveOrMoreYearsBeforeLatestFiscalYear1.01.1

us-gaap:ResidentialPortfolioSegment, us-gaap:Pass


None
Period End2020-06-302020-03-31
Value202223
Percentage of FinancingReceivableOriginatedFiveOrMoreYearsBeforeLatestFiscalYear19.520.4

us-gaap:ResidentialPortfolioSegment, us-gaap:SpecialMention


None
Period End2020-06-302020-03-31
Value0.6210.57
Percentage of FinancingReceivableOriginatedFiveOrMoreYearsBeforeLatestFiscalYear0.10.1

us-gaap:ResidentialPortfolioSegment, us-gaap:Substandard


None
Period End2020-06-302020-03-31
Value1.6072.235
Percentage of FinancingReceivableOriginatedFiveOrMoreYearsBeforeLatestFiscalYear0.20.2

us-gaap:FinancingReceivableOriginatedFiveOrMoreYearsBeforeLatestFiscalYear us-gaap:InternalCreditAssessment

sbcf:SubstandardImpaired


None
Period End2020-06-302020-03-31
Value1921
Percentage of FinancingReceivableOriginatedFiveOrMoreYearsBeforeLatestFiscalYear1.92.0

us-gaap:Pass


None
Period End2020-06-302020-03-31
Value9941043
Percentage of FinancingReceivableOriginatedFiveOrMoreYearsBeforeLatestFiscalYear95.795.3

us-gaap:SpecialMention


None
Period End2020-06-302020-03-31
Value1017
Percentage of FinancingReceivableOriginatedFiveOrMoreYearsBeforeLatestFiscalYear1.01.6

us-gaap:Substandard


None
Period End2020-06-302020-03-31
Value1412
Percentage of FinancingReceivableOriginatedFiveOrMoreYearsBeforeLatestFiscalYear1.41.2

us-gaap:FinancingReceivableOriginatedFourYearsBeforeLatestFiscalYear

us-gaap:FinancingReceivableOriginatedFourYearsBeforeLatestFiscalYear


None
Period End2020-06-302020-03-31
Value662688
Percentage of FinancingReceivableOriginatedFourYearsBeforeLatestFiscalYear100.0100.0

us-gaap:FinancingReceivableOriginatedFourYearsBeforeLatestFiscalYear us-gaap:FinancingReceivablePortfolioSegment

sbcf:CommercialRealEstatePortfolioSegmentNonOwnerOccupied


None
Period End2020-06-302020-03-31
Value213218
Percentage of FinancingReceivableOriginatedFourYearsBeforeLatestFiscalYear32.231.7

sbcf:CommercialRealEstatePortfolioSegmentOwnerOccupied


None
Period End2020-06-302020-03-31
Value164166
Percentage of FinancingReceivableOriginatedFourYearsBeforeLatestFiscalYear24.924.3

sbcf:ConstructionAndLandDevelopmentPortfolioSegment


None
Period End2020-06-302020-03-31
Value1111
Percentage of FinancingReceivableOriginatedFourYearsBeforeLatestFiscalYear1.71.6

sbcf:CoronavirusAidReliefAndEconomicSecurityActPaycheckProtectionProgramLoan


None
Period End2020-06-30
Value0.0
Percentage of FinancingReceivableOriginatedFourYearsBeforeLatestFiscalYear0.0

us-gaap:CommercialPortfolioSegment


None
Period End2020-06-302020-03-31
Value4751
Percentage of FinancingReceivableOriginatedFourYearsBeforeLatestFiscalYear7.17.5

us-gaap:ConsumerPortfolioSegment


None
Period End2020-06-302020-03-31
Value2628
Percentage of FinancingReceivableOriginatedFourYearsBeforeLatestFiscalYear4.04.2

us-gaap:ResidentialPortfolioSegment


None
Period End2020-06-302020-03-31
Value200210
Percentage of FinancingReceivableOriginatedFourYearsBeforeLatestFiscalYear30.230.6

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

sbcf:CommercialRealEstatePortfolioSegmentNonOwnerOccupied, us-gaap:Pass


None
Period End2020-06-302020-03-31
Value196202
Percentage of FinancingReceivableOriginatedFourYearsBeforeLatestFiscalYear29.729.5

sbcf:CommercialRealEstatePortfolioSegmentNonOwnerOccupied, us-gaap:SpecialMention


None
Period End2020-06-302020-03-31
Value7.87615
Percentage of FinancingReceivableOriginatedFourYearsBeforeLatestFiscalYear1.22.2

sbcf:CommercialRealEstatePortfolioSegmentNonOwnerOccupied, us-gaap:Substandard


None
Period End2020-06-302020-03-31
Value8.3260.0
Percentage of FinancingReceivableOriginatedFourYearsBeforeLatestFiscalYear1.30.0

sbcf:CommercialRealEstatePortfolioSegmentOwnerOccupied, us-gaap:Doubtful


None
Period End2020-06-302020-03-31
Value0.3210.32
Percentage of FinancingReceivableOriginatedFourYearsBeforeLatestFiscalYear0.00.0

sbcf:CommercialRealEstatePortfolioSegmentOwnerOccupied, us-gaap:Pass


None
Period End2020-06-302020-03-31
Value158161
Percentage of FinancingReceivableOriginatedFourYearsBeforeLatestFiscalYear24.023.4

sbcf:CommercialRealEstatePortfolioSegmentOwnerOccupied, us-gaap:Substandard


None
Period End2020-06-302020-03-31
Value1.0661.07
Percentage of FinancingReceivableOriginatedFourYearsBeforeLatestFiscalYear0.20.2

sbcf:ConstructionAndLandDevelopmentPortfolioSegment, us-gaap:Pass


None
Period End2020-06-302020-03-31
Value1010
Percentage of FinancingReceivableOriginatedFourYearsBeforeLatestFiscalYear1.61.6

sbcf:CoronavirusAidReliefAndEconomicSecurityActPaycheckProtectionProgramLoan, us-gaap:Pass


None
Period End2020-06-30
Value0.0
Percentage of FinancingReceivableOriginatedFourYearsBeforeLatestFiscalYear0.0

us-gaap:CommercialPortfolioSegment, sbcf:SubstandardImpaired


None
Period End2020-06-302020-03-31
Value1.8191.08
Percentage of FinancingReceivableOriginatedFourYearsBeforeLatestFiscalYear0.30.2

us-gaap:CommercialPortfolioSegment, us-gaap:Doubtful


None
Period End2020-06-302020-03-31
Value0.00.337
Percentage of FinancingReceivableOriginatedFourYearsBeforeLatestFiscalYear0.00.0

us-gaap:CommercialPortfolioSegment, us-gaap:Pass


None
Period End2020-06-302020-03-31
Value4449
Percentage of FinancingReceivableOriginatedFourYearsBeforeLatestFiscalYear6.87.2

us-gaap:CommercialPortfolioSegment, us-gaap:SpecialMention


None
Period End2020-06-302020-03-31
Value0.0950.363
Percentage of FinancingReceivableOriginatedFourYearsBeforeLatestFiscalYear0.00.1

us-gaap:CommercialPortfolioSegment, us-gaap:Substandard


None
Period End2020-06-302020-03-31
Value0.4250.675
Percentage of FinancingReceivableOriginatedFourYearsBeforeLatestFiscalYear0.10.1

us-gaap:ConsumerPortfolioSegment, sbcf:SubstandardImpaired


None
Period End2020-06-302020-03-31
Value0.3160.044
Percentage of FinancingReceivableOriginatedFourYearsBeforeLatestFiscalYear0.00.0

us-gaap:ConsumerPortfolioSegment, us-gaap:Pass


None
Period End2020-06-302020-03-31
Value2628
Percentage of FinancingReceivableOriginatedFourYearsBeforeLatestFiscalYear4.04.1

us-gaap:ConsumerPortfolioSegment, us-gaap:SpecialMention


None
Period End2020-06-302020-03-31
Value0.00.121
Percentage of FinancingReceivableOriginatedFourYearsBeforeLatestFiscalYear0.00.0

us-gaap:ConsumerPortfolioSegment, us-gaap:Substandard


None
Period End2020-06-302020-03-31
Value0.0080.613
Percentage of FinancingReceivableOriginatedFourYearsBeforeLatestFiscalYear0.00.1

us-gaap:ResidentialPortfolioSegment, us-gaap:Pass


None
Period End2020-06-302020-03-31
Value196209
Percentage of FinancingReceivableOriginatedFourYearsBeforeLatestFiscalYear29.730.5

us-gaap:ResidentialPortfolioSegment, us-gaap:SpecialMention


None
Period End2020-06-302020-03-31
Value3.3871.025
Percentage of FinancingReceivableOriginatedFourYearsBeforeLatestFiscalYear0.50.1

us-gaap:FinancingReceivableOriginatedFourYearsBeforeLatestFiscalYear us-gaap:InternalCreditAssessment

sbcf:SubstandardImpaired


None
Period End2020-06-302020-03-31
Value2.8351.824
Percentage of FinancingReceivableOriginatedFourYearsBeforeLatestFiscalYear0.40.3

us-gaap:Doubtful


None
Period End2020-06-302020-03-31
Value0.3210.657
Percentage of FinancingReceivableOriginatedFourYearsBeforeLatestFiscalYear0.00.1

us-gaap:Pass


None
Period End2020-06-302020-03-31
Value633662
Percentage of FinancingReceivableOriginatedFourYearsBeforeLatestFiscalYear95.696.2

us-gaap:SpecialMention


None
Period End2020-06-302020-03-31
Value1521
Percentage of FinancingReceivableOriginatedFourYearsBeforeLatestFiscalYear2.43.1

us-gaap:Substandard


None
Period End2020-06-302020-03-31
Value9.8252.358
Percentage of FinancingReceivableOriginatedFourYearsBeforeLatestFiscalYear1.50.3

us-gaap:FinancingReceivableOriginatedInCurrentFiscalYear

us-gaap:FinancingReceivableOriginatedInCurrentFiscalYear


None
Period End2020-06-302020-03-31
Value923198
Percentage of FinancingReceivableOriginatedInCurrentFiscalYear100.0100.0

us-gaap:FinancingReceivableOriginatedInCurrentFiscalYear us-gaap:FinancingReceivablePortfolioSegment

sbcf:CommercialRealEstatePortfolioSegmentNonOwnerOccupied


None
Period End2020-06-302020-03-31
Value8048
Percentage of FinancingReceivableOriginatedInCurrentFiscalYear8.724.2

sbcf:CommercialRealEstatePortfolioSegmentOwnerOccupied


None
Period End2020-06-302020-03-31
Value7443
Percentage of FinancingReceivableOriginatedInCurrentFiscalYear8.121.7

sbcf:ConstructionAndLandDevelopmentPortfolioSegment


None
Period End2020-06-302020-03-31
Value2912
Percentage of FinancingReceivableOriginatedInCurrentFiscalYear3.26.4

sbcf:CoronavirusAidReliefAndEconomicSecurityActPaycheckProtectionProgramLoan


None
Period End2020-06-30
Value576
Percentage of FinancingReceivableOriginatedInCurrentFiscalYear62.4

us-gaap:CommercialPortfolioSegment


None
Period End2020-06-302020-03-31
Value10048
Percentage of FinancingReceivableOriginatedInCurrentFiscalYear10.824.4

us-gaap:ConsumerPortfolioSegment


None
Period End2020-06-302020-03-31
Value2912
Percentage of FinancingReceivableOriginatedInCurrentFiscalYear3.26.4

us-gaap:ResidentialPortfolioSegment


None
Period End2020-06-302020-03-31
Value3233
Percentage of FinancingReceivableOriginatedInCurrentFiscalYear3.516.9

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

sbcf:CommercialRealEstatePortfolioSegmentNonOwnerOccupied, us-gaap:Pass


None
Period End2020-06-302020-03-31
Value8048
Percentage of FinancingReceivableOriginatedInCurrentFiscalYear8.724.2

sbcf:CommercialRealEstatePortfolioSegmentOwnerOccupied, us-gaap:Pass


None
Period End2020-06-302020-03-31
Value7442
Percentage of FinancingReceivableOriginatedInCurrentFiscalYear8.021.6

sbcf:CommercialRealEstatePortfolioSegmentOwnerOccupied, us-gaap:SpecialMention


None
Period End2020-06-302020-03-31
Value0.1990.202
Percentage of FinancingReceivableOriginatedInCurrentFiscalYear0.00.1

sbcf:ConstructionAndLandDevelopmentPortfolioSegment, us-gaap:Pass


None
Period End2020-06-302020-03-31
Value2912
Percentage of FinancingReceivableOriginatedInCurrentFiscalYear3.26.3

sbcf:ConstructionAndLandDevelopmentPortfolioSegment, us-gaap:SpecialMention


None
Period End2020-06-302020-03-31
Value0.1980.28
Percentage of FinancingReceivableOriginatedInCurrentFiscalYear0.00.1

sbcf:CoronavirusAidReliefAndEconomicSecurityActPaycheckProtectionProgramLoan, us-gaap:Pass


None
Period End2020-06-30
Value576
Percentage of FinancingReceivableOriginatedInCurrentFiscalYear62.4

us-gaap:CommercialPortfolioSegment, us-gaap:Pass


None
Period End2020-06-302020-03-31
Value10048
Percentage of FinancingReceivableOriginatedInCurrentFiscalYear10.824.4

us-gaap:ConsumerPortfolioSegment, sbcf:SubstandardImpaired


None
Period End2020-06-302020-03-31
Value0.0410.0
Percentage of FinancingReceivableOriginatedInCurrentFiscalYear0.00.0

us-gaap:ConsumerPortfolioSegment, us-gaap:Pass


None
Period End2020-06-302020-03-31
Value2912
Percentage of FinancingReceivableOriginatedInCurrentFiscalYear3.26.4

us-gaap:ResidentialPortfolioSegment, sbcf:SubstandardImpaired


None
Period End2020-06-302020-03-31
Value0.0840.0
Percentage of FinancingReceivableOriginatedInCurrentFiscalYear0.00.0

us-gaap:ResidentialPortfolioSegment, us-gaap:Pass


None
Period End2020-06-302020-03-31
Value3233
Percentage of FinancingReceivableOriginatedInCurrentFiscalYear3.516.9

us-gaap:FinancingReceivableOriginatedInCurrentFiscalYear us-gaap:InternalCreditAssessment

sbcf:SubstandardImpaired


None
Period End2020-06-302020-03-31
Value0.1250.0
Percentage of FinancingReceivableOriginatedInCurrentFiscalYear0.00.0

us-gaap:Pass


None
Period End2020-06-302020-03-31
Value922198
Percentage of FinancingReceivableOriginatedInCurrentFiscalYear99.999.8

us-gaap:SpecialMention


None
Period End2020-06-302020-03-31
Value0.3970.482
Percentage of FinancingReceivableOriginatedInCurrentFiscalYear0.00.2

us-gaap:FinancingReceivableOriginatedInFiscalYearBeforeLatestFiscalYear

us-gaap:FinancingReceivableOriginatedInFiscalYearBeforeLatestFiscalYear


None
Period End2020-06-302020-03-31
Value9751000
Percentage of FinancingReceivableOriginatedInFiscalYearBeforeLatestFiscalYear100.0100.0

us-gaap:FinancingReceivableOriginatedInFiscalYearBeforeLatestFiscalYear us-gaap:FinancingReceivablePortfolioSegment

sbcf:CommercialRealEstatePortfolioSegmentNonOwnerOccupied


None
Period End2020-06-302020-03-31
Value321328
Percentage of FinancingReceivableOriginatedInFiscalYearBeforeLatestFiscalYear33.032.8

sbcf:CommercialRealEstatePortfolioSegmentOwnerOccupied


None
Period End2020-06-302020-03-31
Value187191
Percentage of FinancingReceivableOriginatedInFiscalYearBeforeLatestFiscalYear19.219.1

sbcf:ConstructionAndLandDevelopmentPortfolioSegment


None
Period End2020-06-302020-03-31
Value9694
Percentage of FinancingReceivableOriginatedInFiscalYearBeforeLatestFiscalYear9.89.5

sbcf:CoronavirusAidReliefAndEconomicSecurityActPaycheckProtectionProgramLoan


None
Period End2020-06-30
Value0.0
Percentage of FinancingReceivableOriginatedInFiscalYearBeforeLatestFiscalYear0.0

us-gaap:CommercialPortfolioSegment


None
Period End2020-06-302020-03-31
Value153160
Percentage of FinancingReceivableOriginatedInFiscalYearBeforeLatestFiscalYear15.716.0

us-gaap:ConsumerPortfolioSegment


None
Period End2020-06-302020-03-31
Value5560
Percentage of FinancingReceivableOriginatedInFiscalYearBeforeLatestFiscalYear5.76.0

us-gaap:ResidentialPortfolioSegment


None
Period End2020-06-302020-03-31
Value160165
Percentage of FinancingReceivableOriginatedInFiscalYearBeforeLatestFiscalYear16.516.6

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

sbcf:CommercialRealEstatePortfolioSegmentNonOwnerOccupied, us-gaap:Pass


None
Period End2020-06-302020-03-31
Value321328
Percentage of FinancingReceivableOriginatedInFiscalYearBeforeLatestFiscalYear33.032.8

sbcf:CommercialRealEstatePortfolioSegmentNonOwnerOccupied, us-gaap:SpecialMention


None
Period End2020-06-302020-03-31
Value0.1050.108
Percentage of FinancingReceivableOriginatedInFiscalYearBeforeLatestFiscalYear0.00.0

sbcf:CommercialRealEstatePortfolioSegmentOwnerOccupied, us-gaap:Pass


None
Period End2020-06-302020-03-31
Value185189
Percentage of FinancingReceivableOriginatedInFiscalYearBeforeLatestFiscalYear19.018.9

sbcf:CommercialRealEstatePortfolioSegmentOwnerOccupied, us-gaap:SpecialMention


None
Period End2020-06-302020-03-31
Value1.6161.633
Percentage of FinancingReceivableOriginatedInFiscalYearBeforeLatestFiscalYear0.20.2

sbcf:ConstructionAndLandDevelopmentPortfolioSegment, us-gaap:Pass


None
Period End2020-06-302020-03-31
Value9594
Percentage of FinancingReceivableOriginatedInFiscalYearBeforeLatestFiscalYear9.89.4

sbcf:ConstructionAndLandDevelopmentPortfolioSegment, us-gaap:SpecialMention


None
Period End2020-06-302020-03-31
Value0.5030.691
Percentage of FinancingReceivableOriginatedInFiscalYearBeforeLatestFiscalYear0.10.1

sbcf:CoronavirusAidReliefAndEconomicSecurityActPaycheckProtectionProgramLoan, us-gaap:Pass


None
Period End2020-06-30
Value0.0
Percentage of FinancingReceivableOriginatedInFiscalYearBeforeLatestFiscalYear0.0

us-gaap:CommercialPortfolioSegment, sbcf:SubstandardImpaired


None
Period End2020-06-302020-03-31
Value0.6440.0
Percentage of FinancingReceivableOriginatedInFiscalYearBeforeLatestFiscalYear0.10.0

us-gaap:CommercialPortfolioSegment, us-gaap:Doubtful


None
Period End2020-06-302020-03-31
Value0.00.518
Percentage of FinancingReceivableOriginatedInFiscalYearBeforeLatestFiscalYear0.00.1

us-gaap:CommercialPortfolioSegment, us-gaap:Pass


None
Period End2020-06-302020-03-31
Value152158
Percentage of FinancingReceivableOriginatedInFiscalYearBeforeLatestFiscalYear15.615.8

us-gaap:CommercialPortfolioSegment, us-gaap:SpecialMention


None
Period End2020-06-302020-03-31
Value0.2871.005
Percentage of FinancingReceivableOriginatedInFiscalYearBeforeLatestFiscalYear0.00.1

us-gaap:CommercialPortfolioSegment, us-gaap:Substandard


None
Period End2020-06-302020-03-31
Value0.1480.31
Percentage of FinancingReceivableOriginatedInFiscalYearBeforeLatestFiscalYear0.00.0

us-gaap:ConsumerPortfolioSegment, sbcf:SubstandardImpaired


None
Period End2020-06-302020-03-31
Value0.0520.018
Percentage of FinancingReceivableOriginatedInFiscalYearBeforeLatestFiscalYear0.00.0

us-gaap:ConsumerPortfolioSegment, us-gaap:Pass


None
Period End2020-06-302020-03-31
Value5560
Percentage of FinancingReceivableOriginatedInFiscalYearBeforeLatestFiscalYear5.76.0

us-gaap:ConsumerPortfolioSegment, us-gaap:SpecialMention


None
Period End2020-06-302020-03-31
Value0.0230.078
Percentage of FinancingReceivableOriginatedInFiscalYearBeforeLatestFiscalYear0.00.0

us-gaap:ConsumerPortfolioSegment, us-gaap:Substandard


None
Period End2020-06-302020-03-31
Value0.00.036
Percentage of FinancingReceivableOriginatedInFiscalYearBeforeLatestFiscalYear0.00.0

us-gaap:ResidentialPortfolioSegment, sbcf:SubstandardImpaired


None
Period End2020-06-302020-03-31
Value0.6930.707
Percentage of FinancingReceivableOriginatedInFiscalYearBeforeLatestFiscalYear0.10.1

us-gaap:ResidentialPortfolioSegment, us-gaap:Pass


None
Period End2020-06-302020-03-31
Value160164
Percentage of FinancingReceivableOriginatedInFiscalYearBeforeLatestFiscalYear16.416.5

us-gaap:ResidentialPortfolioSegment, us-gaap:SpecialMention


None
Period End2020-06-302020-03-31
Value0.190.025
Percentage of FinancingReceivableOriginatedInFiscalYearBeforeLatestFiscalYear0.00.0

us-gaap:FinancingReceivableOriginatedInFiscalYearBeforeLatestFiscalYear us-gaap:InternalCreditAssessment

sbcf:SubstandardImpaired


None
Period End2020-06-302020-03-31
Value1.3890.725
Percentage of FinancingReceivableOriginatedInFiscalYearBeforeLatestFiscalYear0.10.1

us-gaap:Doubtful


None
Period End2020-06-302020-03-31
Value0.00.518
Percentage of FinancingReceivableOriginatedInFiscalYearBeforeLatestFiscalYear0.00.1

us-gaap:Pass


None
Period End2020-06-302020-03-31
Value971995
Percentage of FinancingReceivableOriginatedInFiscalYearBeforeLatestFiscalYear99.699.5

us-gaap:SpecialMention


None
Period End2020-06-302020-03-31
Value2.7243.54
Percentage of FinancingReceivableOriginatedInFiscalYearBeforeLatestFiscalYear0.30.4

us-gaap:Substandard


None
Period End2020-06-302020-03-31
Value0.1480.346
Percentage of FinancingReceivableOriginatedInFiscalYearBeforeLatestFiscalYear0.00.0

us-gaap:FinancingReceivableOriginatedThreeYearsBeforeLatestFiscalYear

us-gaap:FinancingReceivableOriginatedThreeYearsBeforeLatestFiscalYear


None
Period End2020-06-302020-03-31
Value707765
Percentage of FinancingReceivableOriginatedThreeYearsBeforeLatestFiscalYear100.0100.0

us-gaap:FinancingReceivableOriginatedThreeYearsBeforeLatestFiscalYear us-gaap:FinancingReceivablePortfolioSegment

sbcf:CommercialRealEstatePortfolioSegmentNonOwnerOccupied


None
Period End2020-06-302020-03-31
Value131136
Percentage of FinancingReceivableOriginatedThreeYearsBeforeLatestFiscalYear18.617.9

sbcf:CommercialRealEstatePortfolioSegmentOwnerOccupied


None
Period End2020-06-302020-03-31
Value145150
Percentage of FinancingReceivableOriginatedThreeYearsBeforeLatestFiscalYear20.519.7

sbcf:ConstructionAndLandDevelopmentPortfolioSegment


None
Period End2020-06-302020-03-31
Value3537
Percentage of FinancingReceivableOriginatedThreeYearsBeforeLatestFiscalYear5.04.9

sbcf:CoronavirusAidReliefAndEconomicSecurityActPaycheckProtectionProgramLoan


None
Period End2020-06-30
Value0.0
Percentage of FinancingReceivableOriginatedThreeYearsBeforeLatestFiscalYear0.0

us-gaap:CommercialPortfolioSegment


None
Period End2020-06-302020-03-31
Value91101
Percentage of FinancingReceivableOriginatedThreeYearsBeforeLatestFiscalYear13.013.2

us-gaap:ConsumerPortfolioSegment


None
Period End2020-06-302020-03-31
Value2528
Percentage of FinancingReceivableOriginatedThreeYearsBeforeLatestFiscalYear3.63.8

us-gaap:ResidentialPortfolioSegment


None
Period End2020-06-302020-03-31
Value278310
Percentage of FinancingReceivableOriginatedThreeYearsBeforeLatestFiscalYear39.340.6

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

sbcf:CommercialRealEstatePortfolioSegmentNonOwnerOccupied, us-gaap:Pass


None
Period End2020-06-302020-03-31
Value130131
Percentage of FinancingReceivableOriginatedThreeYearsBeforeLatestFiscalYear18.417.2

sbcf:CommercialRealEstatePortfolioSegmentNonOwnerOccupied, us-gaap:SpecialMention


None
Period End2020-06-302020-03-31
Value1.3765.288
Percentage of FinancingReceivableOriginatedThreeYearsBeforeLatestFiscalYear0.20.7

sbcf:CommercialRealEstatePortfolioSegmentOwnerOccupied, sbcf:SubstandardImpaired


None
Period End2020-06-302020-03-31
Value0.4261.451
Percentage of FinancingReceivableOriginatedThreeYearsBeforeLatestFiscalYear0.10.2

sbcf:CommercialRealEstatePortfolioSegmentOwnerOccupied, us-gaap:Pass


None
Period End2020-06-302020-03-31
Value139145
Percentage of FinancingReceivableOriginatedThreeYearsBeforeLatestFiscalYear19.819.0

sbcf:CommercialRealEstatePortfolioSegmentOwnerOccupied, us-gaap:SpecialMention


None
Period End2020-06-302020-03-31
Value1.0160.0
Percentage of FinancingReceivableOriginatedThreeYearsBeforeLatestFiscalYear0.10.0

sbcf:CommercialRealEstatePortfolioSegmentOwnerOccupied, us-gaap:Substandard


None
Period End2020-06-302020-03-31
Value3.7823.805
Percentage of FinancingReceivableOriginatedThreeYearsBeforeLatestFiscalYear0.50.5

sbcf:ConstructionAndLandDevelopmentPortfolioSegment, us-gaap:Pass


None
Period End2020-06-302020-03-31
Value3537
Percentage of FinancingReceivableOriginatedThreeYearsBeforeLatestFiscalYear5.04.9

sbcf:ConstructionAndLandDevelopmentPortfolioSegment, us-gaap:SpecialMention


None
Period End2020-06-302020-03-31
Value0.0380.0
Percentage of FinancingReceivableOriginatedThreeYearsBeforeLatestFiscalYear0.00.0

sbcf:CoronavirusAidReliefAndEconomicSecurityActPaycheckProtectionProgramLoan, us-gaap:Pass


None
Period End2020-06-30
Value0.0
Percentage of FinancingReceivableOriginatedThreeYearsBeforeLatestFiscalYear0.0

us-gaap:CommercialPortfolioSegment, sbcf:SubstandardImpaired


None
Period End2020-06-302020-03-31
Value2.4032.076
Percentage of FinancingReceivableOriginatedThreeYearsBeforeLatestFiscalYear0.30.3

us-gaap:CommercialPortfolioSegment, us-gaap:Doubtful


None
Period End2020-06-302020-03-31
Value0.0390.293
Percentage of FinancingReceivableOriginatedThreeYearsBeforeLatestFiscalYear0.00.0

us-gaap:CommercialPortfolioSegment, us-gaap:Pass


None
Period End2020-06-302020-03-31
Value8897
Percentage of FinancingReceivableOriginatedThreeYearsBeforeLatestFiscalYear12.512.8

us-gaap:CommercialPortfolioSegment, us-gaap:Substandard


None
Period End2020-06-302020-03-31
Value0.2590.513
Percentage of FinancingReceivableOriginatedThreeYearsBeforeLatestFiscalYear0.00.1

us-gaap:ConsumerPortfolioSegment, sbcf:SubstandardImpaired


None
Period End2020-06-302020-03-31
Value0.00.008
Percentage of FinancingReceivableOriginatedThreeYearsBeforeLatestFiscalYear0.00.0

us-gaap:ConsumerPortfolioSegment, us-gaap:Pass


None
Period End2020-06-302020-03-31
Value2528
Percentage of FinancingReceivableOriginatedThreeYearsBeforeLatestFiscalYear3.63.7

us-gaap:ConsumerPortfolioSegment, us-gaap:SpecialMention


None
Period End2020-06-302020-03-31
Value0.1050.122
Percentage of FinancingReceivableOriginatedThreeYearsBeforeLatestFiscalYear0.00.0

us-gaap:ConsumerPortfolioSegment, us-gaap:Substandard


None
Period End2020-06-302020-03-31
Value0.0190.131
Percentage of FinancingReceivableOriginatedThreeYearsBeforeLatestFiscalYear0.00.0

us-gaap:ResidentialPortfolioSegment, sbcf:SubstandardImpaired


None
Period End2020-06-302020-03-31
Value3.6130.0
Percentage of FinancingReceivableOriginatedThreeYearsBeforeLatestFiscalYear0.50.0

us-gaap:ResidentialPortfolioSegment, us-gaap:Pass


None
Period End2020-06-302020-03-31
Value273307
Percentage of FinancingReceivableOriginatedThreeYearsBeforeLatestFiscalYear38.740.1

us-gaap:ResidentialPortfolioSegment, us-gaap:SpecialMention


None
Period End2020-06-302020-03-31
Value0.7210.0
Percentage of FinancingReceivableOriginatedThreeYearsBeforeLatestFiscalYear0.10.0

us-gaap:ResidentialPortfolioSegment, us-gaap:Substandard


None
Period End2020-06-302020-03-31
Value0.03.763
Percentage of FinancingReceivableOriginatedThreeYearsBeforeLatestFiscalYear0.00.5

us-gaap:FinancingReceivableOriginatedThreeYearsBeforeLatestFiscalYear us-gaap:InternalCreditAssessment

sbcf:SubstandardImpaired


None
Period End2020-06-302020-03-31
Value6.4423.535
Percentage of FinancingReceivableOriginatedThreeYearsBeforeLatestFiscalYear0.90.5

us-gaap:Doubtful


None
Period End2020-06-302020-03-31
Value0.0390.293
Percentage of FinancingReceivableOriginatedThreeYearsBeforeLatestFiscalYear0.00.0

us-gaap:Pass


None
Period End2020-06-302020-03-31
Value693747
Percentage of FinancingReceivableOriginatedThreeYearsBeforeLatestFiscalYear98.097.7

us-gaap:SpecialMention


None
Period End2020-06-302020-03-31
Value3.7865.94
Percentage of FinancingReceivableOriginatedThreeYearsBeforeLatestFiscalYear0.50.8

us-gaap:Substandard


None
Period End2020-06-302020-03-31
Value4.068.212
Percentage of FinancingReceivableOriginatedThreeYearsBeforeLatestFiscalYear0.61.1

us-gaap:FinancingReceivableOriginatedTwoYearsBeforeLatestFiscalYear

us-gaap:FinancingReceivableOriginatedTwoYearsBeforeLatestFiscalYear


None
Period End2020-06-302020-03-31
Value885935
Percentage of FinancingReceivableOriginatedTwoYearsBeforeLatestFiscalYear100.0100.0

us-gaap:FinancingReceivableOriginatedTwoYearsBeforeLatestFiscalYear us-gaap:FinancingReceivablePortfolioSegment

sbcf:CommercialRealEstatePortfolioSegmentNonOwnerOccupied


None
Period End2020-06-302020-03-31
Value235234
Percentage of FinancingReceivableOriginatedTwoYearsBeforeLatestFiscalYear26.725.1

sbcf:CommercialRealEstatePortfolioSegmentOwnerOccupied


None
Period End2020-06-302020-03-31
Value158162
Percentage of FinancingReceivableOriginatedTwoYearsBeforeLatestFiscalYear17.917.4

sbcf:ConstructionAndLandDevelopmentPortfolioSegment


None
Period End2020-06-302020-03-31
Value7188
Percentage of FinancingReceivableOriginatedTwoYearsBeforeLatestFiscalYear8.19.5

sbcf:CoronavirusAidReliefAndEconomicSecurityActPaycheckProtectionProgramLoan


None
Period End2020-06-30
Value0.0
Percentage of FinancingReceivableOriginatedTwoYearsBeforeLatestFiscalYear0.0

us-gaap:CommercialPortfolioSegment


None
Period End2020-06-302020-03-31
Value117122
Percentage of FinancingReceivableOriginatedTwoYearsBeforeLatestFiscalYear13.213.1

us-gaap:ConsumerPortfolioSegment


None
Period End2020-06-302020-03-31
Value3843
Percentage of FinancingReceivableOriginatedTwoYearsBeforeLatestFiscalYear4.34.6

us-gaap:ResidentialPortfolioSegment


None
Period End2020-06-302020-03-31
Value263282
Percentage of FinancingReceivableOriginatedTwoYearsBeforeLatestFiscalYear29.730.2

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

sbcf:CommercialRealEstatePortfolioSegmentNonOwnerOccupied, us-gaap:Pass


None
Period End2020-06-302020-03-31
Value230229
Percentage of FinancingReceivableOriginatedTwoYearsBeforeLatestFiscalYear26.024.5

sbcf:CommercialRealEstatePortfolioSegmentNonOwnerOccupied, us-gaap:SpecialMention


None
Period End2020-06-302020-03-31
Value0.05.478
Percentage of FinancingReceivableOriginatedTwoYearsBeforeLatestFiscalYear0.00.6

sbcf:CommercialRealEstatePortfolioSegmentNonOwnerOccupied, us-gaap:Substandard


None
Period End2020-06-302020-03-31
Value5.7050.0
Percentage of FinancingReceivableOriginatedTwoYearsBeforeLatestFiscalYear0.60.0

sbcf:CommercialRealEstatePortfolioSegmentOwnerOccupied, us-gaap:Pass


None
Period End2020-06-302020-03-31
Value157162
Percentage of FinancingReceivableOriginatedTwoYearsBeforeLatestFiscalYear17.817.4

sbcf:CommercialRealEstatePortfolioSegmentOwnerOccupied, us-gaap:SpecialMention


None
Period End2020-06-302020-03-31
Value0.00.371
Percentage of FinancingReceivableOriginatedTwoYearsBeforeLatestFiscalYear0.00.0

sbcf:CommercialRealEstatePortfolioSegmentOwnerOccupied, us-gaap:Substandard


None
Period End2020-06-302020-03-31
Value0.570.0
Percentage of FinancingReceivableOriginatedTwoYearsBeforeLatestFiscalYear0.10.0

sbcf:ConstructionAndLandDevelopmentPortfolioSegment, us-gaap:Pass


None
Period End2020-06-302020-03-31
Value7087
Percentage of FinancingReceivableOriginatedTwoYearsBeforeLatestFiscalYear8.09.3

sbcf:ConstructionAndLandDevelopmentPortfolioSegment, us-gaap:SpecialMention


None
Period End2020-06-302020-03-31
Value1.3781.47
Percentage of FinancingReceivableOriginatedTwoYearsBeforeLatestFiscalYear0.20.2

sbcf:CoronavirusAidReliefAndEconomicSecurityActPaycheckProtectionProgramLoan, us-gaap:Pass


None
Period End2020-06-30
Value0.0
Percentage of FinancingReceivableOriginatedTwoYearsBeforeLatestFiscalYear0.0

us-gaap:CommercialPortfolioSegment, sbcf:SubstandardImpaired


None
Period End2020-06-302020-03-31
Value1.8471.224
Percentage of FinancingReceivableOriginatedTwoYearsBeforeLatestFiscalYear0.20.1

us-gaap:CommercialPortfolioSegment, us-gaap:Doubtful


None
Period End2020-06-302020-03-31
Value0.00.974
Percentage of FinancingReceivableOriginatedTwoYearsBeforeLatestFiscalYear0.00.1

us-gaap:CommercialPortfolioSegment, us-gaap:Pass


None
Period End2020-06-302020-03-31
Value115120
Percentage of FinancingReceivableOriginatedTwoYearsBeforeLatestFiscalYear13.012.9

us-gaap:CommercialPortfolioSegment, us-gaap:SpecialMention


None
Period End2020-06-302020-03-31
Value0.0140.263
Percentage of FinancingReceivableOriginatedTwoYearsBeforeLatestFiscalYear0.00.0

us-gaap:CommercialPortfolioSegment, us-gaap:Substandard


None
Period End2020-06-302020-03-31
Value0.3370.106
Percentage of FinancingReceivableOriginatedTwoYearsBeforeLatestFiscalYear0.00.0

us-gaap:ConsumerPortfolioSegment, sbcf:SubstandardImpaired


None
Period End2020-06-302020-03-31
Value0.0480.0
Percentage of FinancingReceivableOriginatedTwoYearsBeforeLatestFiscalYear0.00.0

us-gaap:ConsumerPortfolioSegment, us-gaap:Pass


None
Period End2020-06-302020-03-31
Value3842
Percentage of FinancingReceivableOriginatedTwoYearsBeforeLatestFiscalYear4.34.6

us-gaap:ConsumerPortfolioSegment, us-gaap:SpecialMention


None
Period End2020-06-302020-03-31
Value0.0290.307
Percentage of FinancingReceivableOriginatedTwoYearsBeforeLatestFiscalYear0.00.0

us-gaap:ConsumerPortfolioSegment, us-gaap:Substandard


None
Period End2020-06-302020-03-31
Value0.00.061
Percentage of FinancingReceivableOriginatedTwoYearsBeforeLatestFiscalYear0.00.0

us-gaap:ResidentialPortfolioSegment, us-gaap:Pass


None
Period End2020-06-302020-03-31
Value261281
Percentage of FinancingReceivableOriginatedTwoYearsBeforeLatestFiscalYear29.630.1

us-gaap:ResidentialPortfolioSegment, us-gaap:SpecialMention


None
Period End2020-06-302020-03-31
Value0.2771.414
Percentage of FinancingReceivableOriginatedTwoYearsBeforeLatestFiscalYear0.00.2

us-gaap:ResidentialPortfolioSegment, us-gaap:Substandard


None
Period End2020-06-302020-03-31
Value1.3340.0
Percentage of FinancingReceivableOriginatedTwoYearsBeforeLatestFiscalYear0.20.0

us-gaap:FinancingReceivableOriginatedTwoYearsBeforeLatestFiscalYear us-gaap:InternalCreditAssessment

sbcf:SubstandardImpaired


None
Period End2020-06-302020-03-31
Value1.8951.224
Percentage of FinancingReceivableOriginatedTwoYearsBeforeLatestFiscalYear0.20.1

us-gaap:Doubtful


None
Period End2020-06-302020-03-31
Value0.00.974
Percentage of FinancingReceivableOriginatedTwoYearsBeforeLatestFiscalYear0.00.1

us-gaap:Pass


None
Period End2020-06-302020-03-31
Value873923
Percentage of FinancingReceivableOriginatedTwoYearsBeforeLatestFiscalYear98.798.8

us-gaap:SpecialMention


None
Period End2020-06-302020-03-31
Value1.6989.303
Percentage of FinancingReceivableOriginatedTwoYearsBeforeLatestFiscalYear0.21.0

us-gaap:Substandard


None
Period End2020-06-302020-03-31
Value7.9460.167
Percentage of FinancingReceivableOriginatedTwoYearsBeforeLatestFiscalYear0.90.0

us-gaap:FinancingReceivableRecordedInvestmentCurrent

us-gaap:FinancingReceivableRecordedInvestmentCurrent


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302011-12-31
Value57255266516349414847479547754014393338693788336433112952285727440.024372136207919151829179413701310128212731232122911841181115411661174
Percentage of FinancingReceivableRecordedInvestmentCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:FinancingReceivableRecordedInvestmentNonaccrualStatus

us-gaap:FinancingReceivableRecordedInvestmentNonaccrualStatus


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302011-12-312010-12-31
Value302526262222262626191914161618180.0151717192121182126272833354044482868
Percentage of FinancingReceivableRecordedInvestmentNonaccrualStatus100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:FinancingReceivableRevolving

us-gaap:FinancingReceivableRevolving


None
Period End2020-06-302020-03-31
Value578633
Percentage of FinancingReceivableRevolving100.0100.0

us-gaap:FinancingReceivableRevolving us-gaap:FinancingReceivablePortfolioSegment

sbcf:CommercialRealEstatePortfolioSegmentNonOwnerOccupied


None
Period End2020-06-302020-03-31
Value7.56.843
Percentage of FinancingReceivableRevolving1.31.1

sbcf:CommercialRealEstatePortfolioSegmentOwnerOccupied


None
Period End2020-06-302020-03-31
Value1517
Percentage of FinancingReceivableRevolving2.82.7

sbcf:ConstructionAndLandDevelopmentPortfolioSegment


None
Period End2020-06-302020-03-31
Value3429
Percentage of FinancingReceivableRevolving5.94.7

sbcf:CoronavirusAidReliefAndEconomicSecurityActPaycheckProtectionProgramLoan


None
Period End2020-06-30
Value0.0
Percentage of FinancingReceivableRevolving0.0

us-gaap:CommercialPortfolioSegment


None
Period End2020-06-302020-03-31
Value190249
Percentage of FinancingReceivableRevolving32.839.3

us-gaap:ConsumerPortfolioSegment


None
Period End2020-06-302020-03-31
Value1313
Percentage of FinancingReceivableRevolving2.32.1

us-gaap:ResidentialPortfolioSegment


None
Period End2020-06-302020-03-31
Value317317
Percentage of FinancingReceivableRevolving54.950.2

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

sbcf:CommercialRealEstatePortfolioSegmentNonOwnerOccupied, us-gaap:Pass


None
Period End2020-06-302020-03-31
Value6.155.493
Percentage of FinancingReceivableRevolving1.10.9

sbcf:CommercialRealEstatePortfolioSegmentOwnerOccupied, us-gaap:Pass


None
Period End2020-06-302020-03-31
Value1517
Percentage of FinancingReceivableRevolving2.82.7

sbcf:ConstructionAndLandDevelopmentPortfolioSegment, us-gaap:Pass


None
Period End2020-06-302020-03-31
Value3329
Percentage of FinancingReceivableRevolving5.84.7

sbcf:ConstructionAndLandDevelopmentPortfolioSegment, us-gaap:Substandard


None
Period End2020-06-302020-03-31
Value0.9880.0
Percentage of FinancingReceivableRevolving0.20.0

sbcf:CoronavirusAidReliefAndEconomicSecurityActPaycheckProtectionProgramLoan, us-gaap:Pass


None
Period End2020-06-30
Value0.0
Percentage of FinancingReceivableRevolving0.0

us-gaap:CommercialPortfolioSegment, sbcf:SubstandardImpaired


None
Period End2020-06-302020-03-31
Value1.6690.932
Percentage of FinancingReceivableRevolving0.30.1

us-gaap:CommercialPortfolioSegment, us-gaap:Pass


None
Period End2020-06-302020-03-31
Value185244
Percentage of FinancingReceivableRevolving32.038.6

us-gaap:CommercialPortfolioSegment, us-gaap:SpecialMention


None
Period End2020-06-302020-03-31
Value1.1810.889
Percentage of FinancingReceivableRevolving0.20.1

us-gaap:CommercialPortfolioSegment, us-gaap:Substandard


None
Period End2020-06-302020-03-31
Value2.0992.351
Percentage of FinancingReceivableRevolving0.40.4

us-gaap:ConsumerPortfolioSegment, us-gaap:Pass


None
Period End2020-06-302020-03-31
Value1110
Percentage of FinancingReceivableRevolving1.91.6

us-gaap:ConsumerPortfolioSegment, us-gaap:SpecialMention


None
Period End2020-06-302020-03-31
Value1.7512.622
Percentage of FinancingReceivableRevolving0.30.4

us-gaap:ConsumerPortfolioSegment, us-gaap:Substandard


None
Period End2020-06-302020-03-31
Value0.340.262
Percentage of FinancingReceivableRevolving0.10.0

us-gaap:ResidentialPortfolioSegment, sbcf:SubstandardImpaired


None
Period End2020-06-302020-03-31
Value3.332.013
Percentage of FinancingReceivableRevolving0.60.3

us-gaap:ResidentialPortfolioSegment, us-gaap:Pass


None
Period End2020-06-302020-03-31
Value312313
Percentage of FinancingReceivableRevolving54.049.4

us-gaap:ResidentialPortfolioSegment, us-gaap:SpecialMention


None
Period End2020-06-302020-03-31
Value0.0680.805
Percentage of FinancingReceivableRevolving0.00.1

us-gaap:ResidentialPortfolioSegment, us-gaap:Substandard


None
Period End2020-06-302020-03-31
Value1.581.945
Percentage of FinancingReceivableRevolving0.30.3

us-gaap:FinancingReceivableRevolving us-gaap:InternalCreditAssessment

sbcf:SubstandardImpaired


None
Period End2020-06-302020-03-31
Value4.9992.945
Percentage of FinancingReceivableRevolving0.90.5

us-gaap:Pass


None
Period End2020-06-302020-03-31
Value564620
Percentage of FinancingReceivableRevolving97.597.9

us-gaap:SpecialMention


None
Period End2020-06-302020-03-31
Value3.04.316
Percentage of FinancingReceivableRevolving0.50.7

us-gaap:Substandard


None
Period End2020-06-302020-03-31
Value6.3575.908
Percentage of FinancingReceivableRevolving1.10.9

us-gaap:HeldToMaturitySecurities

us-gaap:HeldToMaturitySecurities


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302013-12-312013-09-302013-06-302012-12-31
Value2272522612732872953573673824004163743973793723924011982032092142232071761560.00.00.013
Percentage of HeldToMaturitySecurities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.00.00.0100.0

us-gaap:HeldToMaturitySecurities us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementFrequency

us-gaap:FairValueInputsLevel2, us-gaap:FairValueMeasurementsRecurring


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-31
Value235261262276288291349353370414
Percentage of HeldToMaturitySecurities103.9103.5100.3100.9100.498.697.796.397.099.4

us-gaap:HeldToMaturitySecurities us-gaap:FairValueByMeasurementBasis, us-gaap:FairValueByMeasurementFrequency

us-gaap:CarryingReportedAmountFairValueDisclosure, us-gaap:FairValueMeasurementsRecurring


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-31
Value227252261273287295357367382416
Percentage of HeldToMaturitySecurities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:HeldToMaturitySecurities us-gaap:FinancialInstrument

sbcf:PrivatelyIssuedMortgageBackedSecurities


None
Period End2020-06-302020-03-312019-09-302019-06-302019-03-312018-09-30
Value0.00.00.00.00.021
Percentage of HeldToMaturitySecurities0.00.00.00.00.05.9

us-gaap:MortgageBackedSecuritiesIssuedByUSGovernmentSponsoredEnterprises


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-30
Value227252261273287295304313
Percentage of HeldToMaturitySecurities100.0100.0100.0100.0100.0100.085.085.4

us-gaap:HeldToMaturitySecuritiesAccumulatedUnrecognizedHoldingGain

us-gaap:HeldToMaturitySecuritiesAccumulatedUnrecognizedHoldingGain


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312013-12-31
Value8860000.09447000.02717000.03930000.02910000.0356000.0277000.0239000.0298000.0632000.01819000.02746000.02845000.02083000.01753000.06108000.06811000.04592000.01155000.03889000.01830000.03769000.01507000.00
Percentage of HeldToMaturitySecuritiesAccumulatedUnrecognizedHoldingGain100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0

us-gaap:HeldToMaturitySecuritiesAccumulatedUnrecognizedHoldingGain us-gaap:FinancialInstrument

us-gaap:MortgageBackedSecuritiesIssuedByUSGovernmentSponsoredEnterprises


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302017-12-31
Value8860000.09447000.02717000.03930000.02910000.0356000.000802000.0
Percentage of HeldToMaturitySecuritiesAccumulatedUnrecognizedHoldingGain100.0100.0100.0100.0100.0100.00.00.044.1

us-gaap:HeldToMaturitySecuritiesAccumulatedUnrecognizedHoldingLoss

us-gaap:HeldToMaturitySecuritiesAccumulatedUnrecognizedHoldingLoss


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312013-12-31
Value0.0060.6021.8731.5051.7624.5018.33113119.4124.2122.5582.5843.5084.370.9823.6294.0031.8670.5740.4310.324-0.6230.0
Percentage of HeldToMaturitySecuritiesAccumulatedUnrecognizedHoldingLoss100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0

us-gaap:HeldToMaturitySecuritiesAccumulatedUnrecognizedHoldingLoss us-gaap:FinancialInstrument

us-gaap:MortgageBackedSecuritiesIssuedByUSGovernmentSponsoredEnterprises


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302017-12-31
Value0.0060.6021.8731.5051.7624.5017.324134.159
Percentage of HeldToMaturitySecuritiesAccumulatedUnrecognizedHoldingLoss100.0100.0100.0100.0100.0100.087.998.998.7

us-gaap:HeldToMaturitySecuritiesAmortizedCostBeforeOtherThanTemporaryImpairment

us-gaap:HeldToMaturitySecuritiesAmortizedCostBeforeOtherThanTemporaryImpairment


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302013-12-312012-12-312012-09-302012-06-302011-12-31
Value2272522612732872953573673824004163743973793723924011982032092142232071761560.013151719
Percentage of HeldToMaturitySecuritiesAmortizedCostBeforeOtherThanTemporaryImpairment100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.0100.0

us-gaap:HeldToMaturitySecuritiesAmortizedCostBeforeOtherThanTemporaryImpairment us-gaap:FinancialInstrument

us-gaap:MortgageBackedSecuritiesIssuedByUSGovernmentSponsoredEnterprises


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302017-12-31
Value227252261273287295304313353
Percentage of HeldToMaturitySecuritiesAmortizedCostBeforeOtherThanTemporaryImpairment100.0100.0100.0100.0100.0100.085.085.484.8

us-gaap:HeldToMaturitySecuritiesFairValue

us-gaap:HeldToMaturitySecuritiesFairValue


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312013-12-312013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302010-12-31
Value2352612622762882913493533703914143743973783693974041982022122162262080.00.01315171819242526
Percentage of HeldToMaturitySecuritiesFairValue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.00.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:HeldToMaturitySecuritiesFairValue us-gaap:FinancialInstrument

sbcf:PrivatelyIssuedMortgageBackedSecurities


None
Period End2020-06-302020-03-312019-09-302019-06-302019-03-312018-12-312018-09-302017-12-31
Value0.00.00.00.00.0212123
Percentage of HeldToMaturitySecuritiesFairValue0.00.00.00.00.06.26.25.7

us-gaap:CollateralizedLoanObligations


None
Period End2020-06-302020-03-312019-12-312018-12-312018-09-302017-12-31
Value0.00.00.0313240
Percentage of HeldToMaturitySecuritiesFairValue0.00.00.08.99.19.9

us-gaap:MortgageBackedSecuritiesIssuedByUSGovernmentSponsoredEnterprises


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302017-12-31
Value235261262276288291297300350
Percentage of HeldToMaturitySecuritiesFairValue100.0100.0100.0100.0100.0100.084.984.884.5

us-gaap:ImpairedFinancingReceivableRecordedInvestment

us-gaap:ImpairedFinancingReceivableRecordedInvestment


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302011-12-31
Value8.09.1363534353638383230293031322931313234384043474950525462768288103100
Percentage of ImpairedFinancingReceivableRecordedInvestment100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ImpairedFinancingReceivableRelatedAllowance

us-gaap:ImpairedFinancingReceivableRelatedAllowance


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302011-12-31
Value5200000.04700000.02858000.01564000.02198000.02370000.02728000.06138000.02073000.02745000.02402000.02070000.01911000.01782000.02454000.02045000.02264000.02222000.02517000.03076000.03136000.03323000.03541000.04436000.04693000.04407000.05446000.05177000.05359000.06713000.07269000.08518000.09273000.06979000.0
Percentage of ImpairedFinancingReceivableRelatedAllowance100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:InterestBearingDepositsInBanks

us-gaap:InterestBearingDepositsInBanks


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302010-12-31
Value440232342561105233.1747.5946.7945.4651020102777133554307.84413436181131731437110619212914119023412587138176
Percentage of InterestBearingDepositsInBanks100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:InterestReceivable

us-gaap:InterestReceivable


None
Period End2020-06-302020-03-312019-12-31
Value251514
Percentage of InterestReceivable100.0100.0100.0

us-gaap:Investments

us-gaap:Investments


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302010-12-31
Value120311621208119412011173122312901337138313721371141312881323125813251103994937976953949778674641650672649656603579593668635636462
Percentage of Investments100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:LoansHeldForSaleFairValueDisclosure

us-gaap:LoansHeldForSaleFairValueDisclosure


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302014-12-31
Value542920261713111614202429221615202019231612
Percentage of LoansHeldForSaleFairValueDisclosure100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

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

us-gaap:FairValueInputsLevel2, us-gaap:FairValueMeasurementsRecurring


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302015-12-312014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-31
Value54292026171311161420242922161520202311131426243628118.214
Percentage of LoansHeldForSaleFairValueDisclosure100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.00.00.00.00.00.00.00.00.0

us-gaap:LoansHeldForSaleFairValueDisclosure us-gaap:FairValueByMeasurementBasis

us-gaap:CarryingReportedAmountFairValueDisclosure


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302018-12-31
Value532819251611
Percentage of LoansHeldForSaleFairValueDisclosure97.597.697.196.496.097.4

us-gaap:LoansHeldForSaleFairValueDisclosure us-gaap:FairValueByMeasurementFrequency

us-gaap:FairValueMeasurementsRecurring


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-31
Value542920261713111614202429221615202019231619181211131426243628118.214
Percentage of LoansHeldForSaleFairValueDisclosure100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.00.0100.00.00.00.00.00.00.00.00.00.0

us-gaap:LoansReceivableFairValueDisclosure us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementFrequency

us-gaap:LoansReceivableFairValueDisclosure

us-gaap:FairValueInputsLevel2, us-gaap:FairValueMeasurementsNonrecurring


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302015-12-312014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-30
Value1.4481.5961.4191.7372.0232.1022.292.2552.8226.6073.4542.973107.6533.173.8054.3576.0521010101110121012119.4231010
Percentage of LoansReceivableFairValueDisclosure100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:FairValueInputsLevel3, us-gaap:FairValueMeasurementsNonrecurring


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302015-12-312014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-30
Value6.5267.5093.7042.8695.6836.216.35.0138.7030.5320.7381.1870.4060.7560.950.8990.8451.4591.0556.9987.9679.64311111221219.4721121
Percentage of LoansReceivableFairValueDisclosure450.7470.5261.0165.2280.9295.4275.1222.3308.48.121.439.93.99.930.023.619.424.110.467.873.787.3107.691.8116.2169.2182.6100.5103.6195.4

us-gaap:LoansReceivableFairValueDisclosure us-gaap:FairValueByMeasurementFrequency

us-gaap:FairValueMeasurementsNonrecurring


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-30
Value7.9749.1055.1234.6067.7068.3128.597.268117.1394.1924.16108.4094.124.7045.2025.5297.5118.2267.9139.2410201718202224223433182232
Percentage of LoansReceivableFairValueDisclosure550.7570.5361.0265.2380.9395.4375.1322.3408.4108.1121.4139.9103.9109.9130.0123.6119.40.0124.10.00.00.00.0204.5167.8173.7187.3207.6191.8216.2269.2282.6200.5203.6295.4

us-gaap:NotesReceivableGross

us-gaap:NotesReceivableGross


None
Period End2020-06-302020-03-312019-12-31
Value577253175198
Percentage of NotesReceivableGross100.0100.0100.0

us-gaap:NotesReceivableGross us-gaap:AccountsNotesLoansAndFinancingReceivableByReceivableType

sbcf:PortfolioLoans


None
Period End2020-06-302020-03-312019-12-31
Value489243734317
Percentage of NotesReceivableGross84.882.283.1

us-gaap:NotesReceivableGross us-gaap:AccountsNotesLoansAndFinancingReceivableByReceivableType, us-gaap:FinancingReceivablePortfolioSegment

sbcf:PortfolioLoans, sbcf:CommercialRealEstatePortfolioSegmentNonOwnerOccupied


None
Period End2020-06-302020-03-31
Value10741058
Percentage of NotesReceivableGross18.619.9

sbcf:PortfolioLoans, sbcf:CommercialRealEstatePortfolioSegmentOwnerOccupied


None
Period End2020-06-302020-03-31
Value832824
Percentage of NotesReceivableGross14.415.5

sbcf:PortfolioLoans, sbcf:ConstructionAndLandDevelopmentPortfolioSegment


None
Period End2020-06-302020-03-312019-12-31
Value270257281
Percentage of NotesReceivableGross4.74.85.4

sbcf:PortfolioLoans, sbcf:CoronavirusAidReliefAndEconomicSecurityActPaycheckProtectionProgramLoan


None
Period End2020-06-30
Value576
Percentage of NotesReceivableGross10.0

sbcf:PortfolioLoans, us-gaap:CommercialPortfolioSegment


None
Period End2020-06-302020-03-312019-12-31
Value692721697
Percentage of NotesReceivableGross12.013.613.4

sbcf:PortfolioLoans, us-gaap:ConsumerPortfolioSegment


None
Period End2020-06-302020-03-312019-12-31
Value195195200
Percentage of NotesReceivableGross3.43.73.9

sbcf:PortfolioLoans, us-gaap:ResidentialPortfolioSegment


None
Period End2020-06-302020-03-312019-12-31
Value124913151304
Percentage of NotesReceivableGross21.624.725.1

us-gaap:NotesReceivableGross us-gaap:CreditLossStatus

us-gaap:FinancialAssetAcquiredAndNoCreditDeterioration


None
Period End2020-06-302020-03-31
Value828888
Percentage of NotesReceivableGross14.416.7

us-gaap:FinancialAssetAcquiredWithCreditDeterioration


None
Period End2020-06-302020-03-31
Value5155
Percentage of NotesReceivableGross0.91.0

us-gaap:NotesReceivableGross us-gaap:CreditLossStatus, us-gaap:FinancingReceivablePortfolioSegment

us-gaap:FinancialAssetAcquiredAndNoCreditDeterioration, sbcf:CommercialRealEstatePortfolioSegmentNonOwnerOccupied


None
Period End2020-06-302020-03-31
Value306310
Percentage of NotesReceivableGross5.35.8

us-gaap:FinancialAssetAcquiredAndNoCreditDeterioration, sbcf:CommercialRealEstatePortfolioSegmentOwnerOccupied


None
Period End2020-06-302020-03-31
Value216230
Percentage of NotesReceivableGross3.84.3

us-gaap:FinancialAssetAcquiredAndNoCreditDeterioration, sbcf:ConstructionAndLandDevelopmentPortfolioSegment


None
Period End2020-06-302020-03-31
Value2534
Percentage of NotesReceivableGross0.40.7

us-gaap:FinancialAssetAcquiredAndNoCreditDeterioration, sbcf:CoronavirusAidReliefAndEconomicSecurityActPaycheckProtectionProgramLoan


None
Period End2020-06-30
Value0.0
Percentage of NotesReceivableGross0.0

us-gaap:FinancialAssetAcquiredAndNoCreditDeterioration, us-gaap:CommercialPortfolioSegment


None
Period End2020-06-302020-03-31
Value6373
Percentage of NotesReceivableGross1.11.4

us-gaap:FinancialAssetAcquiredAndNoCreditDeterioration, us-gaap:ConsumerPortfolioSegment


None
Period End2020-06-302020-03-31
Value5.76.478
Percentage of NotesReceivableGross0.10.1

us-gaap:FinancialAssetAcquiredAndNoCreditDeterioration, us-gaap:ResidentialPortfolioSegment


None
Period End2020-06-302020-03-31
Value210233
Percentage of NotesReceivableGross3.64.4

us-gaap:FinancialAssetAcquiredWithCreditDeterioration, sbcf:CommercialRealEstatePortfolioSegmentNonOwnerOccupied


None
Period End2020-06-302020-03-31
Value1111
Percentage of NotesReceivableGross0.20.2

us-gaap:FinancialAssetAcquiredWithCreditDeterioration, sbcf:CommercialRealEstatePortfolioSegmentOwnerOccupied


None
Period End2020-06-302020-03-31
Value2727
Percentage of NotesReceivableGross0.50.5

us-gaap:FinancialAssetAcquiredWithCreditDeterioration, sbcf:ConstructionAndLandDevelopmentPortfolioSegment


None
Period End2020-06-302020-03-31
Value2.4292.99
Percentage of NotesReceivableGross0.00.1

us-gaap:FinancialAssetAcquiredWithCreditDeterioration, sbcf:CoronavirusAidReliefAndEconomicSecurityActPaycheckProtectionProgramLoan


None
Period End2020-06-30
Value0.0
Percentage of NotesReceivableGross0.0

us-gaap:FinancialAssetAcquiredWithCreditDeterioration, us-gaap:CommercialPortfolioSegment


None
Period End2020-06-302020-03-31
Value1.0271.524
Percentage of NotesReceivableGross0.00.0

us-gaap:FinancialAssetAcquiredWithCreditDeterioration, us-gaap:ConsumerPortfolioSegment


None
Period End2020-06-302020-03-31
Value0.3640.368
Percentage of NotesReceivableGross0.00.0

us-gaap:FinancialAssetAcquiredWithCreditDeterioration, us-gaap:ResidentialPortfolioSegment


None
Period End2020-06-302020-03-31
Value8.55610
Percentage of NotesReceivableGross0.10.2

us-gaap:NotesReceivableGross us-gaap:FinancingReceivablePortfolioSegment

sbcf:CommercialRealEstatePortfolioSegmentNonOwnerOccupied


None
Period End2020-06-302020-03-31
Value13921381
Percentage of NotesReceivableGross24.126.0

sbcf:CommercialRealEstatePortfolioSegmentOwnerOccupied


None
Period End2020-06-302020-03-312019-12-31
Value107610821000
Percentage of NotesReceivableGross18.720.419.2

sbcf:ConstructionAndLandDevelopmentPortfolioSegment


None
Period End2020-06-302020-03-312019-12-31
Value298295325
Percentage of NotesReceivableGross5.25.66.3

sbcf:CoronavirusAidReliefAndEconomicSecurityActPaycheckProtectionProgramLoan


None
Period End2020-06-30
Value576
Percentage of NotesReceivableGross10.0

us-gaap:CommercialPortfolioSegment


None
Period End2020-06-302020-03-312019-12-31
Value757796778
Percentage of NotesReceivableGross13.115.015.0

us-gaap:ConsumerPortfolioSegment


None
Period End2020-06-302020-03-312019-12-31
Value201202208
Percentage of NotesReceivableGross3.53.84.0

us-gaap:ResidentialPortfolioSegment


None
Period End2020-06-302020-03-312019-12-31
Value146815591507
Percentage of NotesReceivableGross25.429.329.0

us-gaap:NotesReceivableGross us-gaap:FinancingReceivablePortfolioSegment, us-gaap:InternalCreditAssessment

sbcf:CommercialRealEstatePortfolioSegmentNonOwnerOccupied, sbcf:SubstandardImpaired


None
Period End2020-06-302020-03-31
Value4.175.053
Percentage of NotesReceivableGross0.10.1

sbcf:CommercialRealEstatePortfolioSegmentNonOwnerOccupied, us-gaap:Pass


None
Period End2020-06-302020-03-31
Value13561336
Percentage of NotesReceivableGross23.525.1

sbcf:CommercialRealEstatePortfolioSegmentNonOwnerOccupied, us-gaap:SpecialMention


None
Period End2020-06-302020-03-31
Value1032
Percentage of NotesReceivableGross0.20.6

sbcf:CommercialRealEstatePortfolioSegmentNonOwnerOccupied, us-gaap:Substandard


None
Period End2020-06-302020-03-31
Value216.695
Percentage of NotesReceivableGross0.40.1

sbcf:CommercialRealEstatePortfolioSegmentOwnerOccupied, sbcf:SubstandardImpaired


None
Period End2020-06-302020-03-31
Value4.064.186
Percentage of NotesReceivableGross0.10.1

sbcf:CommercialRealEstatePortfolioSegmentOwnerOccupied, us-gaap:Doubtful


None
Period End2020-06-302020-03-31
Value0.3210.32
Percentage of NotesReceivableGross0.00.0

sbcf:CommercialRealEstatePortfolioSegmentOwnerOccupied, us-gaap:Pass


None
Period End2020-06-302020-03-31
Value10501058
Percentage of NotesReceivableGross18.219.9

sbcf:CommercialRealEstatePortfolioSegmentOwnerOccupied, us-gaap:SpecialMention


None
Period End2020-06-302020-03-31
Value1111
Percentage of NotesReceivableGross0.20.2

sbcf:CommercialRealEstatePortfolioSegmentOwnerOccupied, us-gaap:Substandard


None
Period End2020-06-302020-03-31
Value108.21
Percentage of NotesReceivableGross0.20.2

sbcf:ConstructionAndLandDevelopmentPortfolioSegment, sbcf:SubstandardImpaired


None
Period End2020-06-302020-03-31
Value0.7250.728
Percentage of NotesReceivableGross0.00.0

sbcf:ConstructionAndLandDevelopmentPortfolioSegment, us-gaap:Pass


None
Period End2020-06-302020-03-312019-12-31
Value292290317
Percentage of NotesReceivableGross5.15.56.1

sbcf:ConstructionAndLandDevelopmentPortfolioSegment, us-gaap:SpecialMention


None
Period End2020-06-302020-03-312019-12-31
Value4.2644.6322.235
Percentage of NotesReceivableGross0.10.10.0

sbcf:ConstructionAndLandDevelopmentPortfolioSegment, us-gaap:Substandard


None
Period End2020-06-302020-03-312019-12-31
Value1.0460.0325.113
Percentage of NotesReceivableGross0.00.00.1

sbcf:CoronavirusAidReliefAndEconomicSecurityActPaycheckProtectionProgramLoan, us-gaap:Pass


None
Period End2020-06-30
Value576
Percentage of NotesReceivableGross10.0

us-gaap:CommercialPortfolioSegment, sbcf:SubstandardImpaired


None
Period End2020-06-302020-03-31
Value9.3226.479
Percentage of NotesReceivableGross0.20.1

us-gaap:CommercialPortfolioSegment, us-gaap:Doubtful


None
Period End2020-06-302020-03-312019-12-31
Value0.0482.1310.874
Percentage of NotesReceivableGross0.00.00.0

us-gaap:CommercialPortfolioSegment, us-gaap:Pass


None
Period End2020-06-302020-03-312019-12-31
Value738775755
Percentage of NotesReceivableGross12.814.614.5

us-gaap:CommercialPortfolioSegment, us-gaap:SpecialMention


None
Period End2020-06-302020-03-312019-12-31
Value4.3625.55511
Percentage of NotesReceivableGross0.10.10.2

us-gaap:CommercialPortfolioSegment, us-gaap:Substandard


None
Period End2020-06-302020-03-312019-12-31
Value4.9665.8779.496
Percentage of NotesReceivableGross0.10.10.2

us-gaap:ConsumerPortfolioSegment, sbcf:SubstandardImpaired


None
Period End2020-06-302020-03-31
Value0.6810.779
Percentage of NotesReceivableGross0.00.0

us-gaap:ConsumerPortfolioSegment, us-gaap:Pass


None
Period End2020-06-302020-03-312019-12-31
Value198196203
Percentage of NotesReceivableGross3.43.73.9

us-gaap:ConsumerPortfolioSegment, us-gaap:SpecialMention


None
Period End2020-06-302020-03-312019-12-31
Value1.9953.3473.209
Percentage of NotesReceivableGross0.00.10.1

us-gaap:ConsumerPortfolioSegment, us-gaap:Substandard


None
Period End2020-06-302020-03-312019-12-31
Value0.4061.1541.03
Percentage of NotesReceivableGross0.00.00.0

us-gaap:ResidentialPortfolioSegment, sbcf:SubstandardImpaired


None
Period End2020-06-302020-03-31
Value1814
Percentage of NotesReceivableGross0.30.3

us-gaap:ResidentialPortfolioSegment, us-gaap:Pass


None
Period End2020-06-302020-03-312019-12-31
Value144015331482
Percentage of NotesReceivableGross25.028.828.5

us-gaap:ResidentialPortfolioSegment, us-gaap:SpecialMention


None
Period End2020-06-302020-03-312019-12-31
Value5.2643.8397.364
Percentage of NotesReceivableGross0.10.10.1

us-gaap:ResidentialPortfolioSegment, us-gaap:Substandard


None
Period End2020-06-302020-03-312019-12-31
Value4.5217.94318
Percentage of NotesReceivableGross0.10.10.4

us-gaap:NotesReceivableGross us-gaap:InternalCreditAssessment

sbcf:SubstandardImpaired


None
Period End2020-06-302020-03-31
Value3731
Percentage of NotesReceivableGross0.60.6

us-gaap:Doubtful


None
Period End2020-06-302020-03-312019-12-31
Value0.3692.4511.195
Percentage of NotesReceivableGross0.00.00.0

us-gaap:Pass


None
Period End2020-06-302020-03-312019-12-31
Value565351905091
Percentage of NotesReceivableGross97.997.697.9

us-gaap:SpecialMention


None
Period End2020-06-302020-03-312019-12-31
Value376251
Percentage of NotesReceivableGross0.71.21.0

us-gaap:Substandard


None
Period End2020-06-302020-03-312019-12-31
Value432953
Percentage of NotesReceivableGross0.70.61.0

us-gaap:NotesReceivableNet

us-gaap:NotesReceivableNet


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-31
Value56805231519849864888482848254059397438973817338433302973287927690.02455215620991937185418211391133513121304
Percentage of NotesReceivableNet100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OtherRealEstate

us-gaap:OtherRealEstate


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302010-12-31
Value151412131111124.7158.417107.647.1428.4977.8859.949128.6948.0917.0397.4335.9086.1697.4625.0186.1986.3696.865.5891010118.8887.2191520232525
Percentage of OtherRealEstate100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

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

us-gaap:FairValueInputsLevel2, us-gaap:FairValueMeasurementsNonrecurring


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302015-12-312014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-30
Value2.3681.3210.2410.2410.2660.3130.2970.0643.7663.8260.060.00.00.00.00.6620.5820.5980.8831.3011.0462.0223.3893.4573.7461.7832.392.5091.7062.553
Percentage of OtherRealEstate14.99.01.91.82.42.62.31.444.737.20.80.00.00.00.05.26.78.513.919.018.720.131.229.142.124.715.412.07.29.9

us-gaap:FairValueInputsLevel3, us-gaap:FairValueMeasurementsNonrecurring


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302015-12-312014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-30
Value131312131011124.6514.6516.4627.587.1428.4977.8859.949128.1126.4415.4865.5594.5438.0417.4618.435.1425.43613182123
Percentage of OtherRealEstate85.191.098.198.297.697.497.798.655.362.899.2100.0100.0100.0100.094.893.391.586.181.081.379.968.870.957.975.384.688.092.890.1

us-gaap:OtherRealEstate us-gaap:FairValueByMeasurementFrequency

us-gaap:FairValueMeasurementsNonrecurring


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-30
Value151412131111124.7158.417107.647.1428.4977.8859.949128.6948.0917.0397.4335.9086.1697.4626.3696.865.5891010118.8887.21915202325
Percentage of OtherRealEstate100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:SecuritiesSoldUnderAgreementsToRepurchase

us-gaap:SecuritiesSoldUnderAgreementsToRepurchase


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312017-12-312016-12-31
Value9264867082148214216204
Percentage of SecuritiesSoldUnderAgreementsToRepurchase100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:SecurityOwnedAndPledgedAsCollateralFairValue us-gaap:CustomerSecuritiesForWhichEntityHasRightToSellOrRepledge, us-gaap:FairValueByMeasurementBasis, us-gaap:FinancialInstrument

us-gaap:SecurityOwnedAndPledgedAsCollateralFairValue

us-gaap:MortgageBackedSecuritiesIssuedByUSGovernmentSponsoredEnterprises, us-gaap:CarryingReportedAmountFairValueDisclosure, sbcf:RepurchaseAgreement


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302018-12-31
Value97889499106246
Percentage of SecurityOwnedAndPledgedAsCollateralFairValue100.0100.0100.0100.0100.0100.0

us-gaap:SecurityOwnedAndPledgedAsCollateralFairValue us-gaap:FairValueByMeasurementBasis, us-gaap:FinancialInstrument

us-gaap:CarryingReportedAmountFairValueDisclosure, sbcf:PublicDepositsAndSecuredBorrowings


None
Period End2020-06-302020-03-31
Value330319
Percentage of SecurityOwnedAndPledgedAsCollateralFairValue339.3361.1

us-gaap:SubordinatedDebt

us-gaap:SubordinatedDebt


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302010-12-31
Value7171717170707070707070707070707070706969646464535353535353535353535353535353
Percentage of SubordinatedDebt100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Line plots across dimensions of each concept


us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax
us-gaap:ProductOrService
(None,)
None
us-gaap:ComprehensiveIncomeNetOfTax
us-gaap:StatementEquityComponents
(None,)
None
us-gaap:StockholdersEquity
us-gaap:StatementEquityComponents
(None,)
None
us-gaap:StockholdersEquity
us-gaap:StatementEquityComponents
(None,)
None
us-gaap:StockIssuedDuringPeriodValueNewIssues
us-gaap:StatementEquityComponents
(None,)
None