CLBK


Line plots across dimensions of each concept
Line plots across concepts
Tables

Table of contents



us-gaap:CommonStockValue

us-gaap:WeightedAverageNumberOfDilutedSharesOutstanding

us-gaap:WeightedAverageNumberOfSharesOutstandingBasic

us-gaap:WeightedAverageNumberOfShareOutstandingBasicAndDiluted

us-gaap:AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount

us-gaap:EarningsPerShareBasic

us-gaap:EarningsPerShareDiluted

us-gaap:EarningsPerShareBasicAndDiluted
us-gaap:ConsolidatedEntities
us-gaap:TierOneRiskBasedCapitalToRiskWeightedAssets
us-gaap:ConsolidatedEntities
us-gaap:CapitalToRiskWeightedAssets
us-gaap:AwardType
us-gaap:AllocatedShareBasedCompensationExpense

us-gaap:ComprehensiveIncomeNetOfTax

us-gaap:GainsLossesOnExtinguishmentOfDebt

us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments
us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncome

us-gaap:IncomeTaxExpenseBenefit
us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncome

us-gaap:IncomeTaxesPaidNet

us-gaap:InterestAndFeeIncomeLoansAndLeases

us-gaap:InterestExpense

us-gaap:InterestIncomeExpenseNet

us-gaap:InterestPaidNet

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

us-gaap:OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationAndTax
us-gaap:ProductOrService
us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax

us-gaap:Assets
us-gaap:ConsolidatedEntities

us-gaap:Liabilities
us-gaap:ConsolidatedEntities

us-gaap:LiabilitiesAndStockholdersEquity
us-gaap:ConsolidatedEntities

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

us-gaap:CashAndCashEquivalentsAtCarryingValue
us-gaap:ConsolidatedEntities

us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents
us-gaap:ConsolidatedEntities

us-gaap:PropertyPlantAndEquipmentGross
us-gaap:PropertyPlantAndEquipmentByType

us-gaap:AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment

us-gaap:AmortizationOfIntangibleAssets

us-gaap:PropertyPlantAndEquipmentNet
us-gaap:ConsolidatedEntities
us-gaap:InvestmentsInAffiliatesSubsidiariesAssociatesAndJointVentures

us-gaap:Goodwill
us-gaap:BusinessAcquisition

us-gaap:FiniteLivedIntangibleAssetsNet
us-gaap:FiniteLivedIntangibleAssetsByMajorClass

us-gaap:IntangibleAssetsNetIncludingGoodwill

us-gaap:DeferredTaxAssetsLiabilitiesNet

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

us-gaap:OtherAssets
us-gaap:ConsolidatedEntities

us-gaap:TimeDepositMaturitiesYearOne

us-gaap:LongTermDebt
us-gaap:ConsolidatedEntities
us-gaap:LongtermDebtType

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearTwo

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearThree

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearFour

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearFive

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFive

us-gaap:OperatingLeaseLiability

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDue

us-gaap:LesseeOperatingLeaseLiabilityUndiscountedExcessAmount

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

us-gaap:CommonStockValue

us-gaap:AdditionalPaidInCapital

us-gaap:RetainedEarningsAccumulatedDeficit

us-gaap:AccumulatedOtherComprehensiveIncomeLossNetOfTax

us-gaap:TreasuryStockValue

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:DeferredIncomeTaxExpenseBenefit

us-gaap:NetCashProvidedByUsedInOperatingActivities

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

us-gaap:ShareBasedCompensation

us-gaap:NetCashProvidedByUsedInInvestingActivities

us-gaap:PaymentsToAcquirePropertyPlantAndEquipment

us-gaap:NetCashProvidedByUsedInFinancingActivities

us-gaap:ProceedsFromIssuanceOfLongTermDebt

us-gaap:PaymentsForRepurchaseOfCommonStock

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice

us-gaap:DeferredTaxAssetsNet

us-gaap:DeferredTaxAssetsValuationAllowance

us-gaap:ProceedsFromRepaymentsOfShortTermDebt

clbk:AdjustmentstoAdditionalPaidinCapitalSharebasedCompensationEmployeeStockPurchaseProgramSharesCommittedToBeReleased
us-gaap:StatementEquityComponents

clbk:BankOwnedLifeInsuranceIncome1
us-gaap:BusinessAcquisition
clbk:BusinessCombinationProvisionalInformationInitialAccountingIncompleteAdjustmentDeferredTaxAssets

clbk:CallsOfDebtSecuritiesAvailableforsaleRealizedGain

clbk:FundingofDeferredCompensationObligations
us-gaap:StatementEquityComponents
us-gaap:RestructuringCostAndReserve
clbk:GainLossOnRestructuring
us-gaap:FinancingReceivablePortfolioSegment
clbk:GainOnSaleOfLoansHeldForInvestment
us-gaap:FinancingReceivablePortfolioSegment, us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable
us-gaap:FinancingReceivablePortfolioSegment
clbk:GainOnSaleOfLoansHeldForSale
us-gaap:FinancingReceivablePortfolioSegment, us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable
us-gaap:CounterpartyName
clbk:GainOnSaleOfLoansReceivable

clbk:NoncashInvestingandFinancingOperatingLeaseLiability

clbk:OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAndHeldToMaturityAdjustmentNetofTaxPortionAttributableToParent

clbk:PaymentsForRepurchaseOfRestrictedStock

clbk:ProceedsFromCallsOfDebtSecuritiesAvailableForSale

clbk:SecuritizationOfLoans

clbk:ServicingFeesNet1

clbk:StockRepurchaseProgramPercentOfCommonStock

us-gaap:AccretionAmortizationOfDiscountsAndPremiumsInvestments

us-gaap:AdvertisingExpense

us-gaap:AllowanceForLoanAndLeaseLossRecoveryOfBadDebts
us-gaap:FinancingReceivablePortfolioSegment
us-gaap:FinancingReceivablePortfolioSegment, us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable

us-gaap:AllowanceForLoanAndLeaseLossesWriteOffs
us-gaap:FinancingReceivablePortfolioSegment
us-gaap:FinancingReceivablePortfolioSegment, us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable

us-gaap:AmortizationOfDeferredLoanOriginationFeesNet

us-gaap:AmortizationOfMortgageServicingRightsMSRs

us-gaap:BankOwnedLifeInsuranceIncome

us-gaap:BusinessCombinationAcquisitionRelatedCosts
us-gaap:BusinessAcquisition

us-gaap:CashAcquiredFromAcquisition

us-gaap:CertainLoansAcquiredInTransferNotAccountedForAsDebtSecuritiesAccretableYieldAccretion

us-gaap:CertainLoansAcquiredInTransferNotAccountedForAsDebtSecuritiesAccretableYieldAdditions

us-gaap:CertainLoansAcquiredInTransferNotAccountedForAsDebtSecuritiesAccretableYieldPeriodIncreaseDecrease

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

us-gaap:DebtSecuritiesAvailableForSaleRealizedGain

us-gaap:DebtSecuritiesAvailableForSaleRealizedLoss
us-gaap:RetirementPlanType
us-gaap:DefinedBenefitPlanAmortizationOfGainsLosses
us-gaap:RetirementPlanType
us-gaap:DefinedBenefitPlanExpectedReturnOnPlanAssets
us-gaap:RetirementPlanType
us-gaap:DefinedBenefitPlanInterestCost
us-gaap:RetirementPlanType
us-gaap:DefinedBenefitPlanNetPeriodicBenefitCost
us-gaap:TitleOfIndividual, us-gaap:RetirementPlanType
us-gaap:RetirementPlanType
us-gaap:DefinedBenefitPlanServiceCost

us-gaap:DepreciationNonproduction
us-gaap:DerivativeInstrumentRisk
us-gaap:DerivativeGainLossOnDerivativeNet

us-gaap:DividendIncomeOperating

us-gaap:EmployeeStockOwnershipPlanESOPCompensationExpense

us-gaap:FederalDepositInsuranceCorporationPremiumExpense

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

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

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

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

us-gaap:GainLossOnSaleOfLoansAndLeases

us-gaap:GainLossOnSaleOfNotesReceivable

us-gaap:GainLossOnSaleOfPropertyPlantEquipment

us-gaap:GainLossOnSalesOfLoansNet

us-gaap:GainLossOnSecuritizationOfFinancialAssets

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

us-gaap:ImpairedFinancingReceivableInterestIncomeAccrualMethod
us-gaap:FinancingReceivablePortfolioSegment
us-gaap:FinancingReceivablePortfolioSegment, us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable

us-gaap:IncreaseDecreaseInAccruedInterestReceivableNet

us-gaap:IncreaseDecreaseInAccruedLiabilitiesAndOtherOperatingLiabilities

us-gaap:IncreaseDecreaseInAdvancePaymentsByBorrowersForTaxesAndInsurance

us-gaap:IncreaseDecreaseInDeferredCompensation

us-gaap:IncreaseDecreaseInDeposits

us-gaap:IncreaseDecreaseInEquitySecuritiesFvNi

us-gaap:IncreaseDecreaseInOtherOperatingAssets

us-gaap:InformationTechnologyAndDataProcessing

us-gaap:InterestAndDividendIncomeOperating

us-gaap:InterestAndDividendIncomeSecuritiesHeldToMaturity

us-gaap:InterestExpenseBorrowings

us-gaap:InterestExpenseDeposits

us-gaap:InterestIncomeDebtSecuritiesAvailableForSaleOperating

us-gaap:InterestIncomeExpenseAfterProvisionForLoanLoss

us-gaap:InterestIncomeFederalFundsSold

us-gaap:LaborAndRelatedExpense

us-gaap:LeaseCost

us-gaap:MarketableSecuritiesGainLossExcludingOtherThanTemporaryImpairments

us-gaap:MortgageServicingRightsMSRImpairmentRecovery

us-gaap:NoncashOrPartNoncashAcquisitionNetNonmonetaryAssetsAcquiredLiabilitiesAssumed1

us-gaap:NoncashOrPartNoncashAcquisitionOtherAssetsAcquired1

us-gaap:NoncashOrPartNoncashAcquisitionValueOfAssetsAcquired1

us-gaap:NoninterestExpense

us-gaap:NoninterestIncome

us-gaap:NoninterestIncomeOtherOperatingIncome

us-gaap:OccupancyNet
us-gaap:StatementEquityComponents
us-gaap:OciBeforeReclassificationsBeforeTaxAttributableToParent
us-gaap:StatementEquityComponents
us-gaap:OciBeforeReclassificationsNetOfTaxAttributableToParent

us-gaap:OperatingLeaseRightOfUseAssetAmortizationExpense

us-gaap:OtherComprehensiveIncomeDefinedBenefitPlansAdjustmentNetOfTaxPortionAttributableToParent

us-gaap:OtherComprehensiveIncomeLossAmortizationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetPriorServiceCostCreditNetOfTax
us-gaap:StatementEquityComponents
us-gaap:OtherComprehensiveIncomeLossBeforeReclassificationsTax

us-gaap:OtherComprehensiveIncomeLossBeforeTaxPortionAttributableToParent
us-gaap:StatementEquityComponents

us-gaap:OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationAndTaxParent

us-gaap:OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent
us-gaap:StatementEquityComponents

us-gaap:OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentBeforeReclassificationAdjustmentsNetOfTax

us-gaap:OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesNetOfTax

us-gaap:OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetGainLossNetOfTax

us-gaap:OtherComprehensiveIncomeLossTax
us-gaap:StatementEquityComponents

us-gaap:OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax

us-gaap:OtherComprehensiveLossHeldToMaturitySecurityAdjustmentFromAociForAccretionOfNoncreditPortionOfOttiAfterTax

us-gaap:OtherNoninterestExpense
us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncome, us-gaap:StatementEquityComponents

us-gaap:PaymentsToAcquireAvailableForSaleSecuritiesDebt

us-gaap:PaymentsToAcquireFederalHomeLoanBankStock

us-gaap:PaymentsToAcquireHeldToMaturitySecurities

us-gaap:PaymentsToAcquireLoansHeldForInvestment

us-gaap:ProceedsFromLifeInsurancePolicies

us-gaap:ProceedsFromMaturitiesPrepaymentsAndCallsOfAvailableForSaleSecurities

us-gaap:ProceedsFromMaturitiesPrepaymentsAndCallsOfHeldToMaturitySecurities

us-gaap:ProceedsFromSaleAndMaturityOfAvailableForSaleSecurities

us-gaap:ProceedsFromSaleAndMaturityOfHeldToMaturitySecurities

us-gaap:ProceedsFromSaleOfAvailableForSaleSecuritiesDebt

us-gaap:ProceedsFromSaleOfFederalHomeLoanBankStock
us-gaap:FinancingReceivablePortfolioSegment
us-gaap:ProceedsFromSaleOfLoansHeldForInvestment
us-gaap:FinancingReceivablePortfolioSegment, us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable

us-gaap:ProceedsFromSaleOfLoansHeldForSale
us-gaap:FinancingReceivablePortfolioSegment
us-gaap:FinancingReceivablePortfolioSegment, us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable

us-gaap:ProceedsFromSaleOfLoansReceivable
us-gaap:CounterpartyName

us-gaap:ProfessionalFees

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

us-gaap:ProvisionForLoanLossesExpensed
us-gaap:FinancingReceivablePortfolioSegment
us-gaap:FinancingReceivablePortfolioSegment, us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable
us-gaap:StatementEquityComponents
us-gaap:ReclassificationFromAociCurrentPeriodBeforeTaxAttributableToParent
us-gaap:StatementEquityComponents
us-gaap:ReclassificationFromAociCurrentPeriodNetOfTaxAttributableToParent
us-gaap:StatementEquityComponents
us-gaap:ReclassificationFromAociCurrentPeriodTax

us-gaap:RepaymentsOfOtherLongTermDebt

us-gaap:RevenueNotFromContractWithCustomer

us-gaap:RightOfUseAssetObtainedInExchangeForOperatingLeaseLiability
us-gaap:AwardType
us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeituresWeightedAverageGrantDateFairValue
us-gaap:AwardType
us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue
us-gaap:AwardType
us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodWeightedAverageGrantDateFairValue
us-gaap:AwardType
us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRate
us-gaap:AwardType
us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRate

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisesInPeriodTotalIntrinsicValue

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageGrantDateFairValue

us-gaap:ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExercisesInPeriodWeightedAverageExercisePrice

us-gaap:ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsForfeituresInPeriodWeightedAverageExercisePrice

us-gaap:ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageExercisePrice

us-gaap:StockIssuedDuringPeriodValueRestrictedStockAwardForfeitures
us-gaap:StatementEquityComponents
us-gaap:StatementEquityComponents
us-gaap:StockIssuedDuringPeriodValueRestrictedStockAwardGross

us-gaap:StockIssuedDuringPeriodValueStockOptionsExercised
us-gaap:StatementEquityComponents
us-gaap:StatementEquityComponents
us-gaap:StockRepurchasedDuringPeriodValue

us-gaap:TransferOfPortfolioLoansAndLeasesToHeldForSale1

us-gaap:TreasuryStockAcquiredAverageCostPerShare

us-gaap:TreasuryStockValueAcquiredCostMethod
us-gaap:StatementEquityComponents

clbk:AccruedInterestOnDerivativesAtFairValue
us-gaap:ConsolidatedEntities
clbk:CapitalRequiredForCapitalAdequacyWithCapitalBuffer
us-gaap:ConsolidatedEntities
clbk:CommonEquityTierOneRiskBasedCapitalRequiredforCapitalAdequacywithCapitalBuffer

clbk:DeferredCompensationObligation

clbk:DeferredTaxAssetsOperatingLeaseLiability

clbk:DeferredTaxAssetsPurchaseAccounting

clbk:DeferredTaxAssetsRetirementIncomeMaintenancePlan

clbk:DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsEmployeeStockOwnershipPlan

clbk:DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsUncollectedInterest

clbk:DeferredTaxAssetsUnrealizedLossesOnTradingSecuritiesAndDefinedBenefitPlans

clbk:DeferredTaxLiabilitiesDepreciation

clbk:DeferredTaxLiabilitiesPensionExpense

clbk:LesseeOperatingLeaseLiabilitytobePaidafterYearFour
us-gaap:LongtermDebtType
clbk:LongtermDebtMaturitiesRepaymentsOfPrincipalAfterYearFour
us-gaap:BusinessAcquisition
clbk:OperatingLossCarryforwardsSubjectToAnnualLimitation
us-gaap:ConsolidatedEntities
clbk:TierOneLeverageCapitalRequiredforCapitalAdequacywithCapitalBuffertoAverageAssets
us-gaap:ConsolidatedEntities
clbk:TierOneLeverageCapitalRequirementforCapitalAdequacyWithCapitalBuffertoAverageAssets
us-gaap:ConsolidatedEntities
clbk:TierOneRiskBasedCapitalRequiredforCapitalAdequacywithCapitalBuffer

clbk:TimeDepositmaturitiesMoreThanFourYears

us-gaap:AccruedLiabilitiesAndOtherLiabilities
us-gaap:ConsolidatedEntities

us-gaap:AdvancePaymentsByBorrowersForTaxesAndInsurance

us-gaap:AdvancesFromFederalHomeLoanBanks
us-gaap:LongtermDebtType
us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementFrequency
us-gaap:AssetsFairValueDisclosure
us-gaap:FairValueByMeasurementFrequency
us-gaap:LongLivedAssetsHeldForSaleByAssetType
us-gaap:AssetsHeldForSaleLongLivedFairValueDisclosure

us-gaap:AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedGainBeforeTax
us-gaap:FinancialInstrument

us-gaap:AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedLossBeforeTax
us-gaap:FinancialInstrument

us-gaap:AvailableForSaleDebtSecuritiesAmortizedCostBasis
us-gaap:FinancialInstrument
us-gaap:FinancialInstrument
us-gaap:AvailableForSaleSecuritiesDebtMaturitiesAfterFiveThroughTenYearsAmortizedCost
us-gaap:FinancialInstrument
us-gaap:AvailableForSaleSecuritiesDebtMaturitiesAfterFiveThroughTenYearsFairValue
us-gaap:FinancialInstrument
us-gaap:AvailableForSaleSecuritiesDebtMaturitiesAfterOneThroughFiveYearsAmortizedCost
us-gaap:FinancialInstrument
us-gaap:AvailableForSaleSecuritiesDebtMaturitiesAfterOneThroughFiveYearsFairValue
us-gaap:FinancialInstrument
us-gaap:AvailableForSaleSecuritiesDebtMaturitiesAfterTenYearsAmortizedCost
us-gaap:FinancialInstrument
us-gaap:AvailableForSaleSecuritiesDebtMaturitiesAfterTenYearsFairValue
us-gaap:FinancialInstrument
us-gaap:AvailableForSaleSecuritiesDebtMaturitiesWithinOneYearAmortizedCost
us-gaap:FinancialInstrument
us-gaap:AvailableForSaleSecuritiesDebtMaturitiesWithinOneYearFairValue

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

us-gaap:BankOwnedLifeInsurance
us-gaap:ConsolidatedEntities
us-gaap:Capital
us-gaap:ConsolidatedEntities
us-gaap:CapitalRequiredForCapitalAdequacy
us-gaap:ConsolidatedEntities
us-gaap:CapitalRequiredToBeWellCapitalized
us-gaap:ConsolidatedEntities
us-gaap:CapitalRequiredToBeWellCapitalizedToRiskWeightedAssets
us-gaap:FairValueByFairValueHierarchyLevel
us-gaap:CashAndCashEquivalentsFairValueDisclosure
us-gaap:FairValueByMeasurementBasis

us-gaap:CashAndDueFromBanks
us-gaap:ConsolidatedEntities

us-gaap:CashReserveDepositRequiredAndMade

us-gaap:CertainLoansAcquiredInTransferNotAccountedForAsDebtSecuritiesAccretableYield
us-gaap:ConsolidatedEntities
us-gaap:CommonEquityTierOneCapital
us-gaap:ConsolidatedEntities
us-gaap:CommonEquityTierOneCapitalRatio
us-gaap:ConsolidatedEntities
us-gaap:CommonEquityTierOneCapitalRequiredForCapitalAdequacy
us-gaap:ConsolidatedEntities
us-gaap:CommonEquityTierOneCapitalRequiredToBeWellCapitalized

us-gaap:CommonStockHeldInTrust
us-gaap:FairValueByFairValueHierarchyLevel
us-gaap:DebtInstrumentFairValue
us-gaap:FairValueByMeasurementBasis

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

us-gaap:DebtSecuritiesAvailableForSaleRestricted

us-gaap:DebtSecuritiesAvailableForSaleUnrealizedLossPosition
us-gaap:FinancialInstrument

us-gaap:DebtSecuritiesAvailableForSaleUnrealizedLossPositionAccumulatedLoss
us-gaap:FinancialInstrument

us-gaap:DebtWeightedAverageInterestRate
us-gaap:LongtermDebtType

us-gaap:DeferredIncomeTaxLiabilities

us-gaap:DeferredTaxAssetsCharitableContributionCarryforwards

us-gaap:DeferredTaxAssetsGross

us-gaap:DeferredTaxAssetsOperatingLossCarryforwards
us-gaap:BusinessAcquisition
us-gaap:DeferredTaxAssetsOperatingLossCarryforwardsSubjectToExpiration

us-gaap:DeferredTaxAssetsOther

us-gaap:DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsEmployeeCompensation

us-gaap:DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsPostretirementBenefits

us-gaap:DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsShareBasedCompensationCost

us-gaap:DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsProvisionForLoanLosses

us-gaap:DeferredTaxLiabilitiesFinancingArrangements

us-gaap:DeferredTaxLiabilitiesGoodwillAndIntangibleAssetsIntangibleAssets

us-gaap:DeferredTaxLiabilitiesLeasingArrangements

us-gaap:DeferredTaxLiabilitiesOther
us-gaap:RetirementPlanType
us-gaap:DefinedBenefitPlanAccumulatedOtherComprehensiveIncomeBeforeTax
us-gaap:RetirementPlanType
us-gaap:DefinedBenefitPlanAccumulatedOtherComprehensiveIncomeNetGainsLossesBeforeTax
us-gaap:RetirementPlanType
us-gaap:DefinedBenefitPlanAccumulatedOtherComprehensiveIncomeNetPriorServiceCostCreditBeforeTax
us-gaap:RetirementPlanType
us-gaap:DefinedBenefitPlanAssumptionsUsedCalculatingBenefitObligationDiscountRate
us-gaap:RetirementPlanType
us-gaap:DefinedBenefitPlanAssumptionsUsedCalculatingBenefitObligationRateOfCompensationIncrease
us-gaap:RetirementPlanType
us-gaap:DefinedBenefitPlanBenefitObligation
us-gaap:RetirementPlanType
us-gaap:DefinedBenefitPlanExpectedFutureBenefitPaymentsFiveFiscalYearsThereafter
us-gaap:RetirementPlanType
us-gaap:DefinedBenefitPlanExpectedFutureBenefitPaymentsNextTwelveMonths
us-gaap:RetirementPlanType
us-gaap:DefinedBenefitPlanExpectedFutureBenefitPaymentsYearFive
us-gaap:RetirementPlanType
us-gaap:DefinedBenefitPlanExpectedFutureBenefitPaymentsYearFour
us-gaap:RetirementPlanType
us-gaap:DefinedBenefitPlanExpectedFutureBenefitPaymentsYearThree
us-gaap:RetirementPlanType
us-gaap:DefinedBenefitPlanExpectedFutureBenefitPaymentsYearTwo
us-gaap:DefinedBenefitPlanByPlanAssetCategories, us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:RetirementPlanType
us-gaap:DefinedBenefitPlanFairValueOfPlanAssets
us-gaap:DefinedBenefitPlanByPlanAssetCategories, us-gaap:RetirementPlanType
us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:RetirementPlanType
us-gaap:RetirementPlanType
us-gaap:RetirementPlanType
us-gaap:DefinedBenefitPlanFundedStatusOfPlan
us-gaap:DefinedBenefitPlanByPlanAssetCategories, us-gaap:RetirementPlanType
us-gaap:DefinedBenefitPlanWeightedAverageAssetAllocations
us-gaap:RetirementPlanType

us-gaap:Deposits
us-gaap:FairValueByFairValueHierarchyLevel
us-gaap:DepositsFairValueDisclosure
us-gaap:FairValueByMeasurementBasis

us-gaap:DepositsMoneyMarketDeposits

us-gaap:DepositsSavingsDeposits
us-gaap:BalanceSheetLocation, us-gaap:DerivativeInstrumentRisk, us-gaap:HedgingDesignation
us-gaap:DerivativeAssets
us-gaap:FairValueByFairValueHierarchyLevel
us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementFrequency
us-gaap:FairValueByMeasurementBasis
us-gaap:FairValueByMeasurementFrequency

us-gaap:DerivativeAssetsLiabilitiesAtFairValueNet

us-gaap:DerivativeCollateralRightToReclaimCash
us-gaap:BalanceSheetLocation, us-gaap:DerivativeInstrumentRisk, us-gaap:HedgingDesignation
us-gaap:DerivativeLiabilities
us-gaap:FairValueByFairValueHierarchyLevel
us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementFrequency
us-gaap:FairValueByMeasurementBasis
us-gaap:FairValueByMeasurementFrequency

us-gaap:DerivativeNetLiabilityPositionAggregateFairValue
us-gaap:DerivativeInstrumentRisk, us-gaap:HedgingDesignation
us-gaap:DerivativeNotionalAmount
us-gaap:DerivativeInstrumentRisk, us-gaap:HedgingDesignation, us-gaap:LongtermDebtType
us-gaap:DerivativeInstrumentRisk, us-gaap:LongtermDebtType
us-gaap:AwardType
us-gaap:EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedShareBasedAwardsOtherThanOptions

us-gaap:EmployeeStockOwnershipPlanESOPDeferredSharesFairValue

us-gaap:EmployeeStockOwnershipPlanESOPNumberOfAllocatedShares

us-gaap:EmployeeStockOwnershipPlanESOPNumberOfCommittedToBeReleasedShares

us-gaap:EmployeeStockOwnershipPlanESOPSharesInESOP
us-gaap:FinancialInstrument
us-gaap:FairValueDisclosureOffbalanceSheetRisksAmountLiability

us-gaap:FederalHomeLoanBankAdvancesGeneralDebtObligationsDisclosuresAmountOfAvailableUnusedFunds

us-gaap:FederalHomeLoanBankStock

us-gaap:FinancingReceivableAllowanceForCreditLossExcludingAccruedInterest
us-gaap:FinancingReceivablePortfolioSegment
us-gaap:FinancingReceivablePortfolioSegment, us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable

us-gaap:FinancingReceivableAllowanceForCreditLosses
us-gaap:FinancingReceivablePortfolioSegment
us-gaap:FinancingReceivablePortfolioSegment, us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable
us-gaap:CreditLossStatus
us-gaap:FinancingReceivableAllowanceForCreditLossesCollectivelyEvaluatedForImpairment
us-gaap:CreditLossStatus, us-gaap:FinancingReceivablePortfolioSegment
us-gaap:CreditLossStatus, us-gaap:FinancingReceivablePortfolioSegment, us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable
us-gaap:CreditLossStatus
us-gaap:FinancingReceivableAllowanceForCreditLossesIndividuallyEvaluatedForImpairment1
us-gaap:CreditLossStatus, us-gaap:FinancingReceivablePortfolioSegment
us-gaap:CreditLossStatus, us-gaap:FinancingReceivablePortfolioSegment, us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable

us-gaap:FinancingReceivableBeforeAllowanceForCreditLossAndFee
us-gaap:CreditLossStatus
us-gaap:CreditLossStatus, us-gaap:FinancingReceivablePortfolioSegment
us-gaap:CreditLossStatus, us-gaap:FinancingReceivablePortfolioSegment, us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable
us-gaap:CreditLossStatus, us-gaap:FinancingReceivablePortfolioSegment, us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable, us-gaap:FinancingReceivablesPeriodPastDue
us-gaap:CreditLossStatus, us-gaap:FinancingReceivablePortfolioSegment, us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable, us-gaap:InternalCreditAssessment
us-gaap:CreditLossStatus, us-gaap:FinancingReceivablePortfolioSegment, us-gaap:FinancingReceivablesPeriodPastDue
us-gaap:CreditLossStatus, us-gaap:FinancingReceivablePortfolioSegment, us-gaap:InternalCreditAssessment
us-gaap:CreditLossStatus, us-gaap:FinancingReceivablesPeriodPastDue
us-gaap:CreditLossStatus, us-gaap:InternalCreditAssessment
us-gaap:FinancingReceivablePortfolioSegment
us-gaap:FinancingReceivablePortfolioSegment, us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable
us-gaap:CreditLossStatus
us-gaap:FinancingReceivableCollectivelyEvaluatedForImpairment
us-gaap:CreditLossStatus, us-gaap:FinancingReceivablePortfolioSegment
us-gaap:CreditLossStatus, us-gaap:FinancingReceivablePortfolioSegment, us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable

us-gaap:FinancingReceivableExcludingAccruedInterestAfterAllowanceForCreditLoss

us-gaap:FinancingReceivableExcludingAccruedInterestBeforeAllowanceForCreditLoss
us-gaap:BusinessAcquisition, us-gaap:CreditLossStatus
us-gaap:FinancingReceivablePortfolioSegment, us-gaap:UnusualOrInfrequentItem
us-gaap:CreditLossStatus
us-gaap:FinancingReceivableIndividuallyEvaluatedForImpairment
us-gaap:CreditLossStatus, us-gaap:FinancingReceivablePortfolioSegment
us-gaap:CreditLossStatus, us-gaap:FinancingReceivablePortfolioSegment, us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable

us-gaap:FinancingReceivableModificationsRecordedInvestment
us-gaap:FinancingReceivablesPeriodPastDue
us-gaap:CreditLossStatus
us-gaap:FinancingReceivableRecordedInvestmentCurrent
us-gaap:CreditLossStatus, us-gaap:FinancingReceivablePortfolioSegment
us-gaap:CreditLossStatus, us-gaap:FinancingReceivablePortfolioSegment, us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable

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

us-gaap:FinancingReceivableUnamortizedLoanCommitmentOriginationFeeAndPremiumDiscount
us-gaap:FinancingReceivablePortfolioSegment, us-gaap:UnusualOrInfrequentItem
us-gaap:FinancingReceivableUnamortizedLoanFeeCost
us-gaap:FiniteLivedIntangibleAssetsByMajorClass
us-gaap:FiniteLivedIntangibleAssetsAmortizationExpenseAfterYearFive
us-gaap:FiniteLivedIntangibleAssetsByMajorClass
us-gaap:FiniteLivedIntangibleAssetsAmortizationExpenseNextTwelveMonths
us-gaap:FiniteLivedIntangibleAssetsByMajorClass
us-gaap:FiniteLivedIntangibleAssetsAmortizationExpenseYearFive
us-gaap:FiniteLivedIntangibleAssetsByMajorClass
us-gaap:FiniteLivedIntangibleAssetsAmortizationExpenseYearFour
us-gaap:FiniteLivedIntangibleAssetsByMajorClass
us-gaap:FiniteLivedIntangibleAssetsAmortizationExpenseYearThree
us-gaap:FiniteLivedIntangibleAssetsByMajorClass
us-gaap:FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo

us-gaap:HeldToMaturitySecurities
us-gaap:FinancialInstrument

us-gaap:HeldToMaturitySecuritiesAccumulatedUnrecognizedHoldingGain
us-gaap:FinancialInstrument

us-gaap:HeldToMaturitySecuritiesAccumulatedUnrecognizedHoldingLoss
us-gaap:FinancialInstrument
us-gaap:FinancialInstrument
us-gaap:HeldToMaturitySecuritiesContinuousUnrealizedLossPosition12MonthsOrLongerAccumulatedLoss

us-gaap:HeldToMaturitySecuritiesContinuousUnrealizedLossPositionAccumulatedLoss
us-gaap:FinancialInstrument

us-gaap:HeldToMaturitySecuritiesContinuousUnrealizedLossPositionFairValue
us-gaap:FinancialInstrument

us-gaap:HeldToMaturitySecuritiesContinuousUnrealizedLossPositionLessThan12MonthsAccumulatedLoss
us-gaap:FinancialInstrument

us-gaap:HeldToMaturitySecuritiesContinuousUnrealizedLossPositionLessThanTwelveMonthsFairValue
us-gaap:FinancialInstrument
us-gaap:FinancialInstrument
us-gaap:HeldToMaturitySecuritiesContinuousUnrealizedLossPositionTwelveMonthsOrLongerFairValue
us-gaap:FinancialInstrument
us-gaap:HeldToMaturitySecuritiesDebtMaturitiesAfterFiveThroughTenYearsFairValue

us-gaap:HeldToMaturitySecuritiesDebtMaturitiesAfterOneThroughFiveYearsFairValue
us-gaap:FinancialInstrument
us-gaap:FinancialInstrument
us-gaap:HeldToMaturitySecuritiesDebtMaturitiesAfterOneThroughFiveYearsNetCarryingAmount
us-gaap:FinancialInstrument
us-gaap:HeldToMaturitySecuritiesDebtMaturitiesSingleMaturityDateFairValue
us-gaap:FinancialInstrument
us-gaap:HeldToMaturitySecuritiesDebtMaturitiesWithoutSingleMaturityDateNetCarryingAmount

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

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

us-gaap:ImpairedFinancingReceivableRelatedAllowance
us-gaap:FinancingReceivablePortfolioSegment
us-gaap:FinancingReceivablePortfolioSegment, us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable

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

us-gaap:ImpairedFinancingReceivableWithNoRelatedAllowanceRecordedInvestment
us-gaap:FinancingReceivablePortfolioSegment
us-gaap:FinancingReceivablePortfolioSegment, us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable

us-gaap:ImpairedFinancingReceivableWithNoRelatedAllowanceUnpaidPrincipalBalance
us-gaap:FinancingReceivablePortfolioSegment
us-gaap:FinancingReceivablePortfolioSegment, us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable

us-gaap:ImpairedFinancingReceivableWithRelatedAllowanceRecordedInvestment
us-gaap:FinancingReceivablePortfolioSegment
us-gaap:FinancingReceivablePortfolioSegment, us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable

us-gaap:ImpairedFinancingReceivableWithRelatedAllowanceUnpaidPrincipalBalance
us-gaap:FinancingReceivablePortfolioSegment
us-gaap:FinancingReceivablePortfolioSegment, us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable

us-gaap:InterestBearingDepositLiabilities
us-gaap:BusinessAcquisition

us-gaap:InterestBearingDepositsInBanks
us-gaap:ConsolidatedEntities

us-gaap:InterestReceivable
us-gaap:FairValueByFairValueHierarchyLevel
us-gaap:InvestmentInFederalHomeLoanBankStockFairValueDisclosure
us-gaap:FairValueByMeasurementBasis

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueNextTwelveMonths

us-gaap:LesseeOperatingLeaseLiabilityPaymentsRemainderOfFiscalYear

us-gaap:LoansAndLeasesReceivableAllowance
us-gaap:FinancingReceivablePortfolioSegment
us-gaap:FinancingReceivablePortfolioSegment, us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable

us-gaap:LoansAndLeasesReceivableBeforeFeesGross
us-gaap:CreditLossStatus
us-gaap:CreditLossStatus, us-gaap:FinancingReceivablePortfolioSegment
us-gaap:CreditLossStatus, us-gaap:FinancingReceivablePortfolioSegment, us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable
us-gaap:CreditLossStatus, us-gaap:FinancingReceivablePortfolioSegment, us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable, us-gaap:InternalCreditAssessment
us-gaap:CreditLossStatus, us-gaap:FinancingReceivablePortfolioSegment, us-gaap:InternalCreditAssessment
us-gaap:CreditLossStatus, us-gaap:InternalCreditAssessment
us-gaap:FinancingReceivablePortfolioSegment
us-gaap:FinancingReceivablePortfolioSegment, us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable

us-gaap:LoansAndLeasesReceivableGrossCarryingAmount
us-gaap:BusinessAcquisition, us-gaap:CreditLossStatus

us-gaap:LoansAndLeasesReceivableNetReportedAmount

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

us-gaap:LoansReceivableHeldForSaleAmount

us-gaap:LoansReceivableHeldForSaleNetNotPartOfDisposalGroup
us-gaap:LongtermDebtType
us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalInNextTwelveMonths
us-gaap:LongtermDebtType
us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFour
us-gaap:LongtermDebtType
us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalInYearThree
us-gaap:LongtermDebtType
us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalInYearTwo

us-gaap:MortgageLoansInProcessOfForeclosureAmount

us-gaap:NoninterestBearingDepositLiabilities

us-gaap:NotesReceivableGross
us-gaap:BusinessAcquisition, us-gaap:CreditLossStatus
us-gaap:FinancingReceivablePortfolioSegment, us-gaap:UnusualOrInfrequentItem
us-gaap:RelatedPartyTransactionsByRelatedParty

us-gaap:NotesReceivableNet

us-gaap:OperatingLeaseWeightedAverageDiscountRatePercent

us-gaap:OperatingLossCarryforwards
us-gaap:BusinessAcquisition

us-gaap:SecuritiesLoanedOrSoldUnderAgreementsToRepurchaseFairValueDisclosure
us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementFrequency
us-gaap:ServicingAssetAtFairValueAmount
us-gaap:FairValueByMeasurementFrequency
us-gaap:Range, us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementFrequency, us-gaap:MeasurementInputType, us-gaap:ValuationTechnique
us-gaap:ServicingAssetMeasurementInput

us-gaap:ServicingLiabilityAtAmortizedValueBalance
us-gaap:AwardType
us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableWeightedAverageExercisePrice

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue

us-gaap:SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableIntrinsicValue1
us-gaap:ConsolidatedEntities
us-gaap:TierOneLeverageCapital
us-gaap:ConsolidatedEntities
us-gaap:TierOneLeverageCapitalRequiredForCapitalAdequacy
us-gaap:ConsolidatedEntities
us-gaap:TierOneLeverageCapitalRequiredToBeWellCapitalized
us-gaap:ConsolidatedEntities
us-gaap:TierOneLeverageCapitalRequiredToBeWellCapitalizedToAverageAssets
us-gaap:ConsolidatedEntities
us-gaap:TierOneLeverageCapitalToAverageAssets
us-gaap:ConsolidatedEntities
us-gaap:TierOneRiskBasedCapitalRequiredForCapitalAdequacy
us-gaap:ConsolidatedEntities
us-gaap:TierOneRiskBasedCapitalRequiredToBeWellCapitalized
us-gaap:ConsolidatedEntities
us-gaap:TierOneRiskBasedCapitalRequiredToBeWellCapitalizedToRiskWeightedAssets

us-gaap:TimeDepositMaturitiesYearFour

us-gaap:TimeDepositMaturitiesYearThree

us-gaap:TimeDepositMaturitiesYearTwo

us-gaap:TimeDeposits

us-gaap:TimeDeposits100000OrMore

us-gaap:UnamortizedLoanCommitmentAndOriginationFeesAndUnamortizedDiscountsOrPremiums

us-gaap:UnearnedESOPShares

us-gaap:WeightedAverageRateDomesticDepositCertificatesOfDeposit

us-gaap:WeightedAverageRateDomesticDepositDemand

us-gaap:WeightedAverageRateDomesticDepositMoneyMarket

us-gaap:WeightedAverageRateDomesticDepositSavings

Plots across concepts


IncomeStatement
Net Income Loss
Expenses
Interest Expense
Balance Sheet
Finite Lived Intangible Assets Net
Assets
Property Plant And Equipment Net
Current Assets
Cash And Cash Equivalents At Carrying Value
NonCurrent Assets
Finite Lived Intangible Assets Net
PropertyPlantAndEquipmentNet
Accumulated Depreciation Depletion And Amortization Property Plant And Equipment
Liabilities
Operating Lease Liability
Noncurrent Liabilities
Long Term Debt
Stockholders Equity
Accumulated Other Comprehensive Income Loss Net Of Tax
CashFlow
Net Cash Provided By Used In Operating Activities
NetCashProvidedByUsedInOperatingActivities
Net Cash Provided By Used In Operating Activities
NetCashProvidedByUsedInInvestingActivities
Payments To Acquire Property Plant And Equipment
NetCashProvidedByUsedInFinancingActivities
Proceeds From Issuance Of Long Term Debt
Shares
Weighted Average Number Of Diluted Shares Outstanding
LesseeOperatingLeaseLiabilityPaymentsDue
Lessee Operating Lease Liability Undiscounted Excess Amount
BanksAndOrInsurance
Interest And Dividend Income Operating
AssetsBanks
Interest Bearing Deposits In Banks
LiabilitiesBanks
Deposits

Tables

  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-31
us-gaap:CommonStockValue █████▃▃▃▁▁▁▁▁1.221.221.221.221.221.1731.1731.1731.1591.1591.1591.1591.159NA0.0NANANANANANANANA
us-gaap:WeightedAverageNumberOfDilutedSharesOutstanding ▁█104.537656105.977621NA110.983871111.102306108.438173NA111.371754111.553203111.536577NA111.391704111.346897NANANANANANANANANANA
us-gaap:WeightedAverageNumberOfSharesOutstandingBasic ▁█104.537656105.977621NA110.983871111.102306108.438173NA111.371754111.553203111.536577NA111.391704111.346897NANANANANANANANANANA
us-gaap:WeightedAverageNumberOfShareOutstandingBasicAndDiluted NA105.977621108.499658110.983871111.102306108.438173109.958999111.371754111.553203111.536577111.423361111.391704111.346897NANANANANANANANANANA
us-gaap:AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount ▁█0.4662650.468156NA2.272061.4943670.811853NA0.790.00.0NA0.0NANA0.0NANANANANANANANA
us-gaap:EarningsPerShareBasic █▇▇▆▆▄▅▆▅▆▆▅▁0.260.20.180.140.140.060.120.130.110.130.130.1-0.13NANANANANANANANANANA
us-gaap:EarningsPerShareDiluted █▇▇▆▆▄▅▆▅▆▆▅▁0.260.20.180.140.140.060.120.130.110.130.130.1-0.13NANANANANANANANANANA
us-gaap:EarningsPerShareBasicAndDiluted NA0.20.190.140.140.060.120.130.110.130.130.1-0.13NANANANANANANANANANA
 us-gaap:TierOneRiskBasedCapitalToRiskWeightedAssets us-gaap:ConsolidatedEntities srt:ParentCompanyNANA1.729e-05NANANA1.6050000000000001e-07NANANA2.219e-07NANANA1.376e-07NANANANANANANANA
 us-gaap:TierOneRiskBasedCapitalToRiskWeightedAssets us-gaap:ConsolidatedEntities srt:SubsidiariesNANA1.48e-05NANANA1.321e-07NANANA1.779e-07NANANA1.364e-07NANANANANANANANA
 us-gaap:CapitalToRiskWeightedAssets us-gaap:ConsolidatedEntities srt:ParentCompanyNANA1.854e-05NANANA1.725e-07NANANA2.345e-07NANANA1.501e-07NANANANANANANANA
 us-gaap:CapitalToRiskWeightedAssets us-gaap:ConsolidatedEntities srt:SubsidiariesNANA1.605e-05NANANA1.4249999999999999e-07NANANA1.904e-07NANANA1.49e-07NANANANANANANANA
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-31
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-31
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-31
 us-gaap:AllocatedShareBasedCompensationExpense us-gaap:AwardType us-gaap:EmployeeStockOption█▇█████▆▁▁▁▁0.8220.7610.80.8080.80420.79850.7990.6010.00.00.00.0NANA0.0NANANANANANANANA
 us-gaap:AllocatedShareBasedCompensationExpense us-gaap:AwardType us-gaap:RestrictedStock█▇▇▇▇▇▇▅▁▁▁▁1.61.41.41.41.41.41.31.00.00.00.00.0NANA0.0NANANANANANANANA
us-gaap:ComprehensiveIncomeNetOfTax █▅▆▁▅▄▃▅▄▅▅▃▁▃▁▅▄▄▂55.92818.16338.958-19.63521.55515.8350.78619.56516.53221.54424.744.793-15.1181.835-15.55219.47211.04410.546-4.811NANANANA
us-gaap:GainsLossesOnExtinguishmentOfDebt █▁0.0-0.742NANANANANANANANANANANANANANANANANANANANANA
us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments █▇▇▆▆▄▆▆▅▆▆▆▁▅▅▄▅▅▅36.62228.91227.20120.33919.79.01717.38119.6115.66518.42617.9917.783-17.70315.58912.661.70815.20615.30614.859NANANANA
us-gaap:IncomeTaxExpenseBenefit █▇▆▅▅▄▅▆▅▅▄▆▁▅▇▃▆▅▅▅▅▅▅9.9347.8676.5475.2524.6032.2523.8325.3923.6343.5073.1236.956-2.9613.8059.00.1945.9345.0124.8664.6114.0524.2813.859
us-gaap:IncomeTaxesPaidNet ▇▃▂▇▄▃▄▃▁▃▆▅▄▅▄▅█▄▆9.215-0.687-1.72310.9491.30.01.40.881-5.2740.17.894.03.5255.911.3935.39912.4093.4946.297NANANANA
us-gaap:InterestAndFeeIncomeLoansAndLeases ▆▆▇▇██▇▅▄▄▄▃▃▂▂▂▂▁▁57.68358.76862.72563.25865.23564.01860.21153.59451.70952.2651.57848.58545.86543.84143.04342.89141.98140.60239.374NANANANA
us-gaap:InterestExpense ▁▂▃▄▆██▇▇▆▅▅▃▂▂▂▂▁▁▂▂▂▂9.80110.89713.82516.60919.71623.98823.59822.72221.88920.50318.4117.11214.00412.73212.24111.8611.21110.65110.72411.12311.00310.8410.996
us-gaap:InterestIncomeExpenseNet ███▇▇▆▅▄▄▄▄▃▄▃▃▂▂▂▂▁▁▁▁58.0856.7458.67656.32455.87150.70247.42841.71640.84342.38443.37540.58341.01539.06236.92735.9635.63934.77833.40431.88831.41831.08930.62
us-gaap:InterestPaidNet ▂▃▃▄▄▅▅█▁▄▄▄▃▃▃10.00510.88714.78516.97120.60423.19722.47843.4011.21920.27216.68118.35912.39214.55511.484NANANANANANANANA
us-gaap:NetIncomeLoss █▇▇▆▆▅▆▆▆▆▆▅▁▅▄▄▅▅▅▅▅▅▅26.68821.04520.65415.08715.0976.76513.54914.21812.03114.91914.86710.827-14.74211.7843.6781.5149.27210.2949.9938.4978.2338.3137.91
us-gaap:OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationAndTax ▆█▆▆▅▁▇▅▄▅0.9485.6831.9321.785-0.75-11.3492.267-1.279-4.676-2.78NANANANANANANANANANANANANA
 us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:ProductOrService clbk:DepositAccountTitleInsuranceAndOtherNonInterestIncome█▇█▅▁▆█▄▃▁▃▃4.3174.2024.33.7543.1433.9474.233.6453.3643.0633.4073.333NANANANANANANANANANANA
 us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:ProductOrService clbk:OtherNonInterestIncome█▆▇▆▅▄▃▂▂▁▃▂▂▁1.9561.7441.7841.7491.5271.4171.3771.1891.2141.0631.2611.1441.1841.09NANANANANANANANANA
 us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:ProductOrService clbk:TitleInsurance▇██▅▃▅▇▆▄▃▄▄▅▁▃1.5031.621.5891.2180.9961.2311.4911.351.0991.0411.0791.1891.2550.7741.017NANANANANANANANA
 us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:ProductOrService us-gaap:DepositAccount▃▃▄▃▁▇█▆▅▄▅▅▄▄▄0.8580.8380.9270.7870.621.2991.3621.1061.0510.9591.0671.00.9760.9440.96NANANANANANANANA
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-31
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-31
us-gaap:Assets ██▇██▇▆▄▄▄▃▃▃▃▂▁9067.4359039.9318798.5368865.4738963.1928325.0518188.6947070.256980.7436816.9646691.6186567.8536277.4036564.8815766.55429.328NANANANANANANA
us-gaap:Liabilities ██▇██▆▆▄▃▃▃▃▂▄▂▁8034.3898040.2827787.2497848.1437922.2047363.9257206.1776078.4155972.8345822.4625719.5585620.8075336.1066090.9775294.434953.414NANANANANANANA
us-gaap:LiabilitiesAndStockholdersEquity ██▇██▇▆▄▄▄▃▃▃▃▂▁9067.4359039.9318798.5368865.4738963.1928325.0518188.6947070.256980.7436816.9646691.6186567.8536277.4036564.8815766.55429.328NANANANANANANA
us-gaap:StockholdersEquity █████▇▇▇█▇▇▇▇▁▁▁▁▁▁▁1033.046999.6491011.2871017.331040.988961.126982.517991.8351007.909994.502972.06947.046941.297473.904472.07475.914456.443445.398434.853439.664NANANA
 us-gaap:TierOneRiskBasedCapital us-gaap:ConsolidatedEntities srt:ParentCompanyNANA998.172NANANA988.172NANANA1035.477NANANA579.08NANANANANANANANA
 us-gaap:TierOneRiskBasedCapital us-gaap:ConsolidatedEntities srt:SubsidiariesNANA852.897NANANA782.881NANANA828.257NANANA572.617NANANANANANANANA
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-31
us-gaap:CashAndCashEquivalentsAtCarryingValue ▇▇█▅▄▁▁387.231359.716422.957265.896225.88188.32475.547NANANA42.06554.70667.055634.32165.334100.914NANANANANANANA
us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents ▅▅▆▄▃▂▁▁▁▁▁▁▁█▁▂387.231359.716422.957265.896225.88188.32475.54757.95254.37765.14142.20154.83467.183634.38165.498100.975NANANA45.694NANANA
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-31
us-gaap:PropertyPlantAndEquipmentGross NANA133.141NANANA130.795NANANA106.528NANANA93.287NANANANANANANANA
 us-gaap:PropertyPlantAndEquipmentGross us-gaap:PropertyPlantAndEquipmentByType clbk:LandandBuildingImprovementsNANA35.307NANANA31.52NANANA24.864NANANA15.583NANANANANANANANA
 us-gaap:PropertyPlantAndEquipmentGross us-gaap:PropertyPlantAndEquipmentByType us-gaap:BuildingNANA31.523NANANA27.34NANANA24.018NANANA24.018NANANANANANANANA
 us-gaap:PropertyPlantAndEquipmentGross us-gaap:PropertyPlantAndEquipmentByType us-gaap:FurnitureAndFixturesNANA33.971NANANA36.828NANANA28.538NANANA26.036NANANANANANANANA
 us-gaap:PropertyPlantAndEquipmentGross us-gaap:PropertyPlantAndEquipmentByType us-gaap:LandNANA10.174NANANA11.069NANANA7.829NANANA7.829NANANANANANANANA
 us-gaap:PropertyPlantAndEquipmentGross us-gaap:PropertyPlantAndEquipmentByType us-gaap:LeaseholdImprovementsNANA22.166NANANA24.038NANANA21.279NANANA19.821NANANANANANANANA
us-gaap:AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment NANA57.167NANANA57.828NANANA54.478NANANA50.667NANANANANANANANA
us-gaap:AmortizationOfIntangibleAssets ▅▆▆▇█▁0.2580.2620.2650.2690.2730.241NANA0.00.0NANANANA0.0NANANANANANANANA
us-gaap:PropertyPlantAndEquipmentNet █████▇▇▅▅▄▃▂▂▂▁▁75.4576.7975.97476.85377.58872.38572.96763.72361.26758.29152.0548.67146.62343.70642.6240.835NANANANANANANA
 us-gaap:InvestmentsInAffiliatesSubsidiariesAssociatesAndJointVentures us-gaap:ConsolidatedEntities srt:ParentCompanyNANA873.629NANANA785.964NANANA764.663NANANA516.607NANANANANANANANA
us-gaap:Goodwill NANA80.285NA0.0NA60.763NANANA5.716NANANA5.716NANANANANANANANA
 us-gaap:Goodwill us-gaap:BusinessAcquisition clbk:RoselleEntities▁▁█17.617.618.7NANANANANANANANANANANANANANANANANANANANA
us-gaap:FiniteLivedIntangibleAssetsNet NANA6.197NANANANANANANA0.369NANANA0.281NANANANANANANANA
 us-gaap:FiniteLivedIntangibleAssetsNet us-gaap:FiniteLivedIntangibleAssetsByMajorClass clbk:MortgageServicingRightsNANA0.902NANANA0.574NANANA0.369NANANANANANANANANANANANA
 us-gaap:FiniteLivedIntangibleAssetsNet us-gaap:FiniteLivedIntangibleAssetsByMajorClass us-gaap:CoreDepositsNANA6.197NANANA7.245NANANA0.0NANANANANANANANANANANANA
us-gaap:IntangibleAssetsNetIncludingGoodwill ▇▇███▆▆▁▁▁▁▁▁▁▁▁86.18986.33187.38492.50692.64268.27968.5826.1636.1916.1066.0855.945.9575.9765.9976.019NANANANANANANA
us-gaap:DeferredTaxAssetsLiabilitiesNet NANA7.184NANANA10.309NANANA16.214NANANA9.884NANANANANANANANA
us-gaap:EquitySecuritiesFvNi ▆▇█▇▇▃▄▂▂▁▂4.0534.835.4184.7064.712.2712.8551.81.91.41.89NANANANANANANANANANANANA
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-31
us-gaap:TimeDepositMaturitiesYearOne ▆▇▇██▆▆▅▅▄▄▃▂▁▁▁1364.2451457.6411494.1291543.0881572.3281358.1361293.6131216.4911126.9211114.2761107.667907.82743.577693.173669.61657.741NANANANANANANA
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-31
us-gaap:LongTermDebt ▁▁▂▄▅██▅▆▅▆749.683722.615799.3641015.211129.9791376.9411407.0221129.1171163.2711098.6351189.18NANANA929.057NANANANANANANANA
us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearTwo ▇▁██3.593.4373.6243.624NANANANANANANANANANANANANANANANANANANA
us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearThree ▃▁██2.8662.7123.313.31NANANANANANANANANANANANANANANANANANANA
us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearFour ▃▁██2.1942.0412.5862.586NANANANANANANANANANANANANANANANANANANA
us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearFive NANA1.914NANANANANANANANANANANANANANANANANANANANA
us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFive NANA6.62NANANANANANANANANANANANANANANANANANANANA
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-31
us-gaap:StockholdersEquity █████▇▇▇█▇▇▇▇▁▁▁▁▁▁▁1033.046999.6491011.2871017.331040.988961.126982.517991.8351007.909994.502972.06947.046941.297473.904472.07475.914456.443445.398434.853439.664NANANA
us-gaap:CommonStockValue █████▃▃▃▁▁▁▁▁1.221.221.221.221.221.1731.1731.1731.1591.1591.1591.1591.159NA0.0NANANANANANANANA
us-gaap:AdditionalPaidInCapital ███▇▇▂▁▁▁▁▁▁▁614.381611.549609.531607.735605.124534.213531.667529.588527.65527.346527.037526.716526.332NA0.0NANANANANANANANA
us-gaap:RetainedEarningsAccumulatedDeficit █▇▆▆▅▅▄▄▃▃▂▂▁▂▂▁720.817694.129673.084652.43637.343622.246615.481601.932587.714575.683560.216545.349534.522549.264537.48522.094NANANANANANANA
us-gaap:AccumulatedOtherComprehensiveIncomeLossNetOfTax █▃▄▁▆▅▄▆▅▄▄▂▃▃▅█-43.267-72.507-69.625-87.929-53.207-59.665-68.735-55.972-61.319-65.82-71.897-81.77-75.736-75.36-65.41-46.18NANANANANANANA
us-gaap:TreasuryStockValue █▇▆▅▄▄▃▂▁221.072195.361163.015115.58108.32795.32654.9542.0843.867NA0.0NANANANANANANANANANANANA
us-gaap:StockIssuedDuringPeriodValueNewIssues NANA0.00.068.53NANA0.014NANANANANANANANANANANANANANANA
 us-gaap:StockIssuedDuringPeriodValueNewIssues us-gaap:StatementEquityComponents us-gaap:AdditionalPaidInCapitalNANA0.00.068.483NANANANANANANANANANANANANANANANANANA
 us-gaap:StockIssuedDuringPeriodValueNewIssues us-gaap:StatementEquityComponents us-gaap:CommonStockNANA0.00.00.047NANA0.014NANANANANANANANANANANANANANANA
us-gaap:AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue █▆▆▆▆▆▅▁2.3972.1432.2052.1762.2052.2042.0641.63NANANANANANANANANANANANANANANA
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-31
us-gaap:NetCashProvidedByUsedInOperatingActivities ▁█▅▄▃▅▆▄▃▄▄▄▄▄▄▄▄▄▄-100.059172.33539.7564.958-39.99543.16793.9930.555-18.52817.7539.95816.84719.69210.0972.3268.77913.3414.2629.876NANANANA
us-gaap:NetCashProvidedByUsedInInvestingActivities ▃▁▅▄▃▃▁▃▂▃█▁▂▂▁▃▂▃▃40.215-343.486233.921110.6640.83-87.77-339.102-69.424-116.684-97.75825.339-312.98-276.831-236.471-372.135-11.762-118.666-99.849-100.257NANANANA
us-gaap:NetCashProvidedByUsedInFinancingActivities ▄▄▂▂▄▃▅▃▄▄▄▅▁█▅▃▄▄▄87.359107.91-116.616-75.607176.72257.38262.70742.444124.448102.93794.276283.784-310.059795.257334.33250.043113.278100.98885.248NANANANA
us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect ▅▄▅▅▅▅▅▅▄▅▄▄▁█▄27.515-63.241157.06140.015137.55712.77717.5953.575-10.76422.94-12.633-12.349-567.198568.883-35.477NANANANANANANANA
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-31
us-gaap:DeferredIncomeTaxExpenseBenefit ▄▄█▁▄▆█▄▂▄▁▄▆▄▅█▅▃█0.00.73613.602-11.084-0.3077.52714.6870.0-7.3080.148-12.254-0.0476.6190.1923.36312.8094.287-5.61413.608NANANANA
us-gaap:NetCashProvidedByUsedInOperatingActivities ▁█▅▄▃▅▆▄▃▄▄▄▄▄▄▄▄▄▄-100.059172.33539.7564.958-39.99543.16793.9930.555-18.52817.7539.95816.84719.69210.0972.3268.77913.3414.2629.876NANANANA
us-gaap:NetIncomeLoss █▇▇▆▆▅▆▆▆▆▆▅▁▅▄▄▅▅▅▅▅▅▅26.68821.04520.65415.08715.0976.76513.54914.21812.03114.91914.86710.827-14.74211.7843.6781.5149.27210.2949.9938.4978.2338.3137.91
us-gaap:ShareBasedCompensation █▇▇▇▇▇▇▆▁▁▁2.3972.1432.2052.1762.2052.2042.0641.630.00.00.0NANANA0.0NANANANANANANANA
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-31
us-gaap:NetCashProvidedByUsedInInvestingActivities ▃▁▅▄▃▃▁▃▂▃█▁▂▂▁▃▂▃▃40.215-343.486233.921110.6640.83-87.77-339.102-69.424-116.684-97.75825.339-312.98-276.831-236.471-372.135-11.762-118.666-99.849-100.257NANANANA
us-gaap:PaymentsToAcquirePropertyPlantAndEquipment ▁▃▁▁▁▂▅▄▅█▅▃▄▂▃▂▃▂▁1.1032.4810.8740.8981.1491.7034.3053.6524.0897.2984.4732.9623.8531.9842.6481.5942.2821.7310.918NANANANA
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-31
us-gaap:NetCashProvidedByUsedInFinancingActivities ▄▄▂▂▄▃▅▃▄▄▄▅▁█▅▃▄▄▄87.359107.91-116.616-75.607176.72257.38262.70742.444124.448102.93794.276283.784-310.059795.257334.33250.043113.278100.98885.248NANANANA
us-gaap:ProceedsFromIssuanceOfLongTermDebt NANA0.00.040.050.012.66348.34625.53653.45540.85-3.919157.68926.360.0-12.8NANANANANANANA
us-gaap:PaymentsForRepurchaseOfCommonStock ▅▆█▂▃▇▃▇▂▁▁▁25.70932.83747.886.92512.99840.36313.22538.2173.8670.00.00.0NANA0.0NANANANANANANANA
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-31

Common Stock Value

us-gaap:CommonStockValue

us-gaap:CommonStockValue


Common
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-31
Value1220000.01220000.01220000.01220000.01220000.01173000.01173000.01173000.01159000.01159000.01159000.01159000.01159000.00
Percentage of CommonStockValue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0
Percentage of Assets0.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Weighted Average Number Of Diluted Shares Outstanding

us-gaap:WeightedAverageNumberOfDilutedSharesOutstanding

us-gaap:WeightedAverageNumberOfDilutedSharesOutstanding


Weighted
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-30
Value104105110111108111111111111111
Percentage of WeightedAverageNumberOfDilutedSharesOutstanding100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Weighted Average Number Of Shares Outstanding Basic

us-gaap:WeightedAverageNumberOfSharesOutstandingBasic

us-gaap:WeightedAverageNumberOfSharesOutstandingBasic


Weighted
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-30
Value104105110111108111111111111111
Percentage of WeightedAverageNumberOfSharesOutstandingBasic100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Weighted Average Number Of Share Outstanding Basic And Diluted

us-gaap:WeightedAverageNumberOfShareOutstandingBasicAndDiluted

us-gaap:WeightedAverageNumberOfShareOutstandingBasicAndDiluted


Weighted
Period End2021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-30
Value105108110111108109111111111111111111
Percentage of WeightedAverageNumberOfShareOutstandingBasicAndDiluted100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount

us-gaap:AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount

us-gaap:AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount


Antidilutive
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302017-12-31
Value466260.0468160.02272100.01494400.0811850.0790000.00000
Percentage of AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount100.0100.0100.0100.0100.0100.00.00.00.00.0

Earnings Per Share Basic

us-gaap:EarningsPerShareBasic

us-gaap:EarningsPerShareBasic


Earnings
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-30
Value0.260.20.180.140.140.060.120.130.110.130.130.1-0.13
Percentage of EarningsPerShareBasic100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Earnings Per Share Diluted

us-gaap:EarningsPerShareDiluted

us-gaap:EarningsPerShareDiluted


Earnings
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-30
Value0.260.20.180.140.140.060.120.130.110.130.130.1-0.13
Percentage of EarningsPerShareDiluted100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Earnings Per Share Basic And Diluted

us-gaap:EarningsPerShareBasicAndDiluted

us-gaap:EarningsPerShareBasicAndDiluted


Earnings
Period End2021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-30
Value0.20.190.140.140.060.120.130.110.130.130.1-0.13
Percentage of EarningsPerShareBasicAndDiluted100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Tier One Risk Based Capital To Risk Weighted Assets

us-gaap:TierOneRiskBasedCapitalToRiskWeightedAssets us-gaap:ConsolidatedEntities

us-gaap:TierOneRiskBasedCapitalToRiskWeightedAssets

srt:ParentCompany


Tier
Period End2020-12-312019-12-312018-12-312017-12-31
Value17.290.16050.22190.1376
Percentage of TierOneRiskBasedCapitalToRiskWeightedAssets100.0100.0100.0100.0

srt:Subsidiaries


Tier
Period End2020-12-312019-12-312018-12-312017-12-31
Value14.80.13210.17790.1364
Percentage of TierOneRiskBasedCapitalToRiskWeightedAssets85.682.380.299.1

Capital To Risk Weighted Assets

us-gaap:CapitalToRiskWeightedAssets us-gaap:ConsolidatedEntities

us-gaap:CapitalToRiskWeightedAssets

srt:ParentCompany


Capital
Period End2020-12-312019-12-312018-12-312017-12-31
Value18.540.17250.23450.1501
Percentage of CapitalToRiskWeightedAssets100.0100.0100.0100.0

srt:Subsidiaries


Capital
Period End2020-12-312019-12-312018-12-312017-12-31
Value16.050.14250.19040.149
Percentage of CapitalToRiskWeightedAssets86.682.681.299.3

Allocated Share Based Compensation Expense

us-gaap:AllocatedShareBasedCompensationExpense us-gaap:AwardType

us-gaap:AllocatedShareBasedCompensationExpense

us-gaap:EmployeeStockOption


Allocated
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302017-12-31
Value822000.0761000.0800000.0808000.0804200.0798500.0799000.0601000.000000
Percentage of AllocatedShareBasedCompensationExpense100.0100.0100.0100.0100.0100.0100.0100.00.00.00.00.00.0
Percentage of InterestAndDividendIncomeOperating1.21.11.11.11.11.11.10.90.00.00.00.00.0
Percentage of InterestAndDividendIncomeOperating us-gaap:EmployeeStockOption0.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:RestrictedStock


Allocated
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302017-12-31
Value1600000.01400000.01400000.01400000.01400000.01400000.01300000.01000000.000000
Percentage of AllocatedShareBasedCompensationExpense194.6184.0175.0173.3174.1175.3162.7166.40.00.00.00.00.0
Percentage of InterestAndDividendIncomeOperating2.42.11.91.91.91.91.81.60.00.00.00.00.0
Percentage of InterestAndDividendIncomeOperating us-gaap:RestrictedStock0.00.00.00.00.00.00.00.00.00.00.00.00.0

Comprehensive Income Net Of Tax

us-gaap:ComprehensiveIncomeNetOfTax

us-gaap:ComprehensiveIncomeNetOfTax


Comprehensive
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-31
Value551838-19.63521150.786191621244.793-15.1181.835-15.552191110-4.811
Percentage of ComprehensiveIncomeNetOfTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of InterestAndDividendIncomeOperating82.426.953.7-26.928.521.21.130.426.434.340.08.3-27.53.5-31.640.723.623.2-10.9

Gains Losses On Extinguishment Of Debt

us-gaap:GainsLossesOnExtinguishmentOfDebt

us-gaap:GainsLossesOnExtinguishmentOfDebt


Gains
Period End2021-06-302021-03-31
Value0-742000.0
Percentage of GainsLossesOnExtinguishmentOfDebt0.0100.0
Percentage of InterestAndDividendIncomeOperating0.0-1.1

Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments

us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments

us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments


Income
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-31
Value36282720199.017171915181717-17.70315121.708151514
Percentage of IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of InterestAndDividendIncomeOperating54.042.737.527.926.112.124.530.425.029.329.130.8-32.230.125.73.632.533.733.7

us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncome

us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncome


Income
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-30
Value-1.792-1.511-1.071-1.071-1.0713.008-0.0390.326-0.5860.29-1.6310.00.00.108-0.0510.00.0
Percentage of IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments-4.9-5.2-3.9-5.3-5.433.4-0.21.7-3.71.6-9.10.0-0.00.7-0.40.00.0
Percentage of InterestAndDividendIncomeOperating-2.6-2.2-1.5-1.5-1.44.0-0.10.5-0.90.5-2.60.00.00.2-0.10.00.0
Percentage of InterestAndDividendIncomeOperating us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncome0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Income Tax Expense Benefit

us-gaap:IncomeTaxExpenseBenefit

us-gaap:IncomeTaxExpenseBenefit


Income
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-31
Value9.9347.8676.5475.2524.6032.2523.8325.3923.6343.5073.1236.956-2.9613.8059.00.1945.9345.0124.8664.6114.0524.2813.859
Percentage of IncomeTaxExpenseBenefit100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of InterestAndDividendIncomeOperating14.611.69.07.26.13.05.48.45.85.65.112.1-5.47.318.30.412.711.011.010.79.610.29.3

us-gaap:IncomeTaxExpenseBenefit us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncome

us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncome


Income
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-30
Value-0.501-0.422-0.226-0.225-0.2260.6350.0090.096-0.1150.06-0.3360.0030.00.122-0.1070.025-0.002
Percentage of IncomeTaxExpenseBenefit-5.0-5.4-3.5-4.3-4.928.20.21.8-3.21.7-10.80.0-0.03.2-1.212.9-0.0
Percentage of InterestAndDividendIncomeOperating-0.7-0.6-0.3-0.3-0.30.90.00.1-0.20.1-0.50.00.00.2-0.20.1-0.0
Percentage of InterestAndDividendIncomeOperating us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncome0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Income Taxes Paid Net

us-gaap:IncomeTaxesPaidNet

us-gaap:IncomeTaxesPaidNet


Income
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-31
Value9.215-0.687-1.723101.30.01.40.881-5.2740.17.894.03.5255.911.3935.399123.4946.297
Percentage of IncomeTaxesPaidNet100.0100.0100.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of InterestAndDividendIncomeOperating13.6-1.0-2.415.01.70.02.01.4-8.40.212.86.96.411.42.811.326.57.714.3

Interest And Fee Income Loans And Leases

us-gaap:InterestAndFeeIncomeLoansAndLeases

us-gaap:InterestAndFeeIncomeLoansAndLeases


Interest
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-31
Value57586263656460535152514845434342414039
Percentage of InterestAndFeeIncomeLoansAndLeases100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of InterestAndDividendIncomeOperating85.086.986.586.786.385.784.883.282.483.183.584.283.484.687.589.789.689.489.2

Interest Expense

us-gaap:InterestExpense

us-gaap:InterestExpense


Interest
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-31
Value9.80110131619232322212018171412121111101011111010
Percentage of InterestExpense100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of InterestAndDividendIncomeOperating14.416.119.122.826.132.133.235.334.932.629.829.725.524.624.924.823.923.424.325.925.925.926.4

Interest Income Expense Net

us-gaap:InterestIncomeExpenseNet

us-gaap:InterestIncomeExpenseNet


Interest
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-31
Value5856585655504741404243404139363535343331313130
Percentage of InterestIncomeExpenseNet100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of InterestAndDividendIncomeOperating85.683.980.977.273.967.966.864.765.167.470.270.374.575.475.175.276.176.675.774.174.174.173.6

Interest Paid Net

us-gaap:InterestPaidNet

us-gaap:InterestPaidNet


Interest
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-31
Value10101416202322431.219201618121411
Percentage of InterestPaidNet100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of InterestAndDividendIncomeOperating14.716.120.423.327.331.131.667.41.932.227.031.822.528.123.4

Net Income Loss

us-gaap:NetIncomeLoss

us-gaap:NetIncomeLoss


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-31
Value26212015156.765131412141410-14.742113.6781.5149.272109.9938.4978.2338.3137.91
Percentage of NetIncomeLoss100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of InterestAndDividendIncomeOperating39.331.128.520.720.09.119.122.119.223.724.118.8-26.822.87.53.219.822.722.619.819.419.819.0

us-gaap:NetIncomeLoss us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncome

us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncome


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-30
Value-1.291-1.089-0.845-0.846-0.8452.373-0.0480.23-0.4710.23-1.295-0.0030.0-0.0140.056-0.0250.002
Percentage of NetIncomeLoss-4.8-5.2-4.1-5.6-5.635.1-0.41.6-3.91.5-8.7-0.0-0.0-0.11.5-1.70.0
Percentage of InterestAndDividendIncomeOperating-1.9-1.6-1.2-1.2-1.13.2-0.10.4-0.80.4-2.1-0.00.0-0.00.1-0.10.0
Percentage of InterestAndDividendIncomeOperating us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncome0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:NetIncomeLoss us-gaap:StatementEquityComponents

us-gaap:RetainedEarnings


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-31
Value26212015156.765131412141410-14.742113.6781.5139.274109.993
Percentage of NetIncomeLoss100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.099.9100.0100.0100.0
Percentage of InterestAndDividendIncomeOperating39.331.128.520.720.09.119.122.119.223.724.118.8-26.822.87.53.219.822.722.6
Percentage of InterestAndDividendIncomeOperating us-gaap:RetainedEarnings0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Other Comprehensive Income Loss Cash Flow Hedge Gain Loss After Reclassification And Tax

us-gaap:OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationAndTax

us-gaap:OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationAndTax


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value948000.05683000.01932000.01785000.0-750000.0-11349000.02267000.0-1279000.0-4676000.0-2780000.0
Percentage of OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationAndTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of InterestAndDividendIncomeOperating1.48.42.72.4-1.0-15.23.2-2.0-7.5-4.4

Revenue From Contract With Customer Excluding Assessed Tax

us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:ProductOrService

us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax

clbk:DepositAccountTitleInsuranceAndOtherNonInterestIncome


Revenue
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-30
Value4.3174.2024.33.7543.1433.9474.233.6453.3643.0633.4073.333
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of InterestAndDividendIncomeOperating6.46.25.95.14.25.36.05.75.44.95.55.8
Percentage of InterestAndDividendIncomeOperating clbk:DepositAccountTitleInsuranceAndOtherNonInterestIncome0.00.00.00.00.00.00.00.00.00.00.00.0

clbk:OtherNonInterestIncome


Revenue
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value1.9561.7441.7841.7491.5271.4171.3771.1891.2141.0631.2611.1441.1841.09
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax45.341.541.546.648.635.932.632.636.134.737.034.30.00.0
Percentage of InterestAndDividendIncomeOperating2.92.62.52.42.01.91.91.81.91.72.02.02.22.1
Percentage of InterestAndDividendIncomeOperating clbk:OtherNonInterestIncome0.00.00.00.00.00.00.00.00.00.00.00.00.00.0

clbk:TitleInsurance


Revenue
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-31
Value1.5031.621.5891.2180.9961.2311.4911.351.0991.0411.0791.1891.2550.7741.017
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax34.838.637.032.431.731.235.237.032.734.031.735.70.00.00.0
Percentage of InterestAndDividendIncomeOperating2.22.42.21.71.31.62.12.11.81.71.72.12.31.52.1
Percentage of InterestAndDividendIncomeOperating clbk:TitleInsurance0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:DepositAccount


Revenue
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-31
Value0.8580.8380.9270.7870.621.2991.3621.1061.0510.9591.0671.00.9760.9440.96
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax19.919.921.621.019.732.932.230.331.231.331.330.00.00.00.0
Percentage of InterestAndDividendIncomeOperating1.31.21.31.10.81.71.91.71.71.51.71.71.81.82.0
Percentage of InterestAndDividendIncomeOperating us-gaap:DepositAccount0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Assets

us-gaap:Assets

us-gaap:Assets


Assets
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value9067903987988865896383258188707069806816669165676277656457665429
Percentage of Assets100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:Assets us-gaap:ConsolidatedEntities

srt:ParentCompany


Assetsus-gaap:
Period End2020-12-312019-12-312018-12-312017-12-31
Value10201008972524
Percentage of Assets11.612.314.59.1
Percentage of Assets11.612.314.59.1
Percentage of Assets srt:ParentCompany100.0100.0100.0100.0

Liabilities

us-gaap:Liabilities

us-gaap:Liabilities


Liabilities
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value8034804077877848792273637206607859725822571956205336609052944953
Percentage of Liabilities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets88.688.988.588.588.488.588.086.085.685.485.585.685.092.891.891.2

us-gaap:Liabilities us-gaap:ConsolidatedEntities

srt:ParentCompany


Liabilitiesus-gaap:
Period End2020-12-312019-12-312018-12-312017-12-31
Value8.996260.14752
Percentage of Liabilities0.10.40.01.0
Percentage of Assets0.10.30.00.9
Percentage of Assets srt:ParentCompany0.92.60.010.0

Liabilities And Stockholders Equity

us-gaap:LiabilitiesAndStockholdersEquity

us-gaap:LiabilitiesAndStockholdersEquity


Liabilities
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value9067903987988865896383258188707069806816669165676277656457665429
Percentage of LiabilitiesAndStockholdersEquity100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:LiabilitiesAndStockholdersEquity us-gaap:ConsolidatedEntities

srt:ParentCompany


Liabilities
Period End2020-12-312019-12-312018-12-312017-12-31
Value10201008972524
Percentage of LiabilitiesAndStockholdersEquity11.612.314.59.1
Percentage of Assets11.612.314.59.1
Percentage of Assets srt:ParentCompany100.0100.0100.0100.0

Stockholders Equity

us-gaap:StockholdersEquity

us-gaap:StockholdersEquity


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302015-09-30
Value10339991011101710409619829911007994972947941473472475456445434439417
Percentage of StockholdersEquity100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets11.411.111.511.511.611.512.014.014.414.614.514.415.07.28.28.80.00.00.00.00.0

us-gaap:StockholdersEquity us-gaap:ConsolidatedEntities

srt:ParentCompany


Stockholders
Period End2020-12-312019-12-312018-12-312017-12-31
Value1011982972472
Percentage of StockholdersEquity100.0100.0100.0100.0
Percentage of Assets11.512.014.58.2
Percentage of Assets srt:ParentCompany99.197.4100.090.0

us-gaap:StockholdersEquity us-gaap:StatementEquityComponents

clbk:DeferredCompensationObligation


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302016-09-30
Value1.3411.4941.261.131.0361.2120.9650.8020.6890.7690.6390.00.00.00.00.00.0
Percentage of StockholdersEquity0.10.10.10.10.10.10.10.10.10.10.10.00.00.00.00.00.0
Percentage of Assets0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0
Percentage of Assets clbk:DeferredCompensationObligation0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

clbk:StockHeldbyRabbiTrust


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302016-09-30
Value-2.205-2.141-1.875-1.814-1.767-1.728-1.52-1.467-1.407-1.359-1.2590.00.00.00.00.00.0
Percentage of StockholdersEquity-0.2-0.2-0.2-0.2-0.2-0.2-0.2-0.1-0.1-0.1-0.10.00.00.00.00.00.0
Percentage of Assets-0.0-0.0-0.0-0.0-0.0-0.0-0.0-0.0-0.0-0.0-0.00.00.00.00.00.00.0
Percentage of Assets clbk:StockHeldbyRabbiTrust0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

clbk:UnallocatedCommonStockHeldByTheEmployeeStockOwnershipPlan


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302016-12-312016-09-302015-09-30
Value-38.169-38.734-39.293-39.862-40.434-40.999-41.564-42.137-42.71-43.276-43.835-44.408-44.980.00.00.00.00.00.00.0
Percentage of StockholdersEquity-3.7-3.9-3.9-3.9-3.9-4.3-4.2-4.2-4.2-4.4-4.5-4.7-4.80.00.00.00.00.00.00.0
Percentage of Assets-0.4-0.4-0.4-0.4-0.5-0.5-0.5-0.6-0.6-0.6-0.7-0.7-0.70.00.00.00.00.00.00.0
Percentage of Assets clbk:UnallocatedCommonStockHeldByTheEmployeeStockOwnershipPlan0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:AccumulatedDefinedBenefitPlansAdjustment


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302015-09-30
Value-51.624-75.342-83.797-101.449-67.859-68.717-69.638-61.094-61.838-56.665-56.729-58.288-56.38-58.703-58.355-42.105-56.961-57.031-56.883-57.022-41.416
Percentage of StockholdersEquity-5.0-7.5-8.3-10.0-6.5-7.1-7.1-6.2-6.1-5.7-5.8-6.2-6.0-12.4-12.4-8.8-12.5-12.8-13.1-13.0-9.9
Percentage of Assets-0.6-0.8-1.0-1.1-0.8-0.8-0.9-0.9-0.9-0.8-0.8-0.9-0.9-0.9-1.0-0.80.00.00.00.00.0
Percentage of Assets us-gaap:AccumulatedDefinedBenefitPlansAdjustment0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedges


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302015-09-30
Value-10.225-11.173-16.856-18.788-20.573-19.823-8.474-10.741-9.462-4.786-2.0061.970.730.5660.2240.06-0.0310.0060.00.00.0
Percentage of StockholdersEquity-1.0-1.1-1.7-1.8-2.0-2.1-0.9-1.1-0.9-0.5-0.20.20.10.10.00.0-0.00.00.00.00.0
Percentage of Assets-0.1-0.1-0.2-0.2-0.2-0.2-0.1-0.2-0.1-0.1-0.00.00.00.00.00.00.00.00.00.00.0
Percentage of Assets us-gaap:AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedges0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:AccumulatedNetUnrealizedInvestmentGainLoss


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302015-09-30
Value1814313235289.377159.981-4.369-13.162-25.452-20.086-17.223-7.279-4.135-7.146-8.885-9.2795.6641.345
Percentage of StockholdersEquity1.81.43.13.23.43.01.01.61.0-0.4-1.4-2.7-2.1-3.6-1.5-0.9-1.6-2.0-2.11.30.3
Percentage of Assets0.20.20.40.40.40.30.10.20.1-0.1-0.2-0.4-0.3-0.3-0.1-0.10.00.00.00.00.0
Percentage of Assets us-gaap:AccumulatedNetUnrealizedInvestmentGainLoss0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:AccumulatedOtherComprehensiveIncome


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302015-09-30
Value-43.267-72.507-69.625-87.929-53.207-59.665-68.735-55.972-61.319-65.82-71.897-81.77-75.736-75.36-65.41-46.18-64.138-65.91-66.162-51.358-40.071
Percentage of StockholdersEquity-4.2-7.3-6.9-8.6-5.1-6.2-7.0-5.6-6.1-6.6-7.4-8.6-8.0-15.9-13.9-9.7-14.1-14.8-15.2-11.7-9.6
Percentage of Assets-0.5-0.8-0.8-1.0-0.6-0.7-0.8-0.8-0.9-1.0-1.1-1.2-1.2-1.1-1.1-0.90.00.00.00.00.0
Percentage of Assets us-gaap:AccumulatedOtherComprehensiveIncome0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:AdditionalPaidInCapital


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302016-12-312016-09-302015-09-30
Value6146116096076055345315295275275275265260.00.00.00.00.00.00.0
Percentage of StockholdersEquity59.561.260.359.758.155.654.153.452.453.054.255.655.90.00.00.00.00.00.00.0
Percentage of Assets6.86.86.96.96.86.46.57.57.67.77.98.08.40.00.00.00.00.00.00.0
Percentage of Assets us-gaap:AdditionalPaidInCapital0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:CommonStock


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302016-12-312016-09-302015-09-30
Value1.221.221.221.221.221.1731.1731.1731.1591.1591.1591.1591.1590.00.00.00.00.00.00.0
Percentage of StockholdersEquity0.10.10.10.10.10.10.10.10.10.10.10.10.10.00.00.00.00.00.00.0
Percentage of Assets0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0
Percentage of Assets us-gaap:CommonStock0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:RetainedEarnings


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302015-09-30
Value720694673652637622615601587575560545534549537522520511501491458
Percentage of StockholdersEquity69.869.466.664.161.264.762.660.758.357.957.657.656.8115.9113.9109.7114.1114.8115.2111.7109.6
Percentage of Assets7.97.77.67.47.17.57.58.58.48.48.48.38.58.49.39.60.00.00.00.00.0
Percentage of Assets us-gaap:RetainedEarnings0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:TreasuryStock


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-31
Value-221.072-195.361-163.015-115.58-108.327-95.326-54.95-42.084-3.8670.00.00.00.00.00.0
Percentage of StockholdersEquity-21.4-19.5-16.1-11.4-10.4-9.9-5.6-4.2-0.40.00.00.00.00.00.0
Percentage of Assets-2.4-2.2-1.9-1.3-1.2-1.1-0.7-0.6-0.10.00.00.00.00.00.0
Percentage of Assets us-gaap:TreasuryStock0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Tier One Risk Based Capital

us-gaap:TierOneRiskBasedCapital us-gaap:ConsolidatedEntities

us-gaap:TierOneRiskBasedCapital

srt:ParentCompany


Tier
Period End2020-12-312019-12-312018-12-312017-12-31
Value9989881035579
Percentage of TierOneRiskBasedCapital100.0100.0100.0100.0
Percentage of Assets11.312.115.510.0
Percentage of Assets srt:ParentCompany97.898.0106.5110.4

srt:Subsidiaries


Tier
Period End2020-12-312019-12-312018-12-312017-12-31
Value852782828572
Percentage of TierOneRiskBasedCapital85.479.280.098.9
Percentage of Assets9.79.612.49.9
Percentage of Assets srt:Subsidiaries0.00.00.00.0

Cash And Cash Equivalents At Carrying Value

us-gaap:CashAndCashEquivalentsAtCarryingValue

us-gaap:CashAndCashEquivalentsAtCarryingValue


Cash
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value387359422265225887542546763465100
Percentage of CashAndCashEquivalentsAtCarryingValue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets4.34.04.83.02.51.10.90.60.81.19.71.11.9

us-gaap:CashAndCashEquivalentsAtCarryingValue us-gaap:ConsolidatedEntities

srt:ParentCompany


Cash
Period End2020-12-312019-12-312018-12-312017-12-31
Value941681531.537
Percentage of CashAndCashEquivalentsAtCarryingValue22.3222.9365.42.4
Percentage of Assets1.12.12.30.0
Percentage of Assets srt:ParentCompany9.216.715.80.3

Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents

us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents

us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents


Cash
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302016-09-30
Value38735942226522588755754654254676346510045
Percentage of CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets4.34.04.83.02.51.10.90.80.81.00.60.81.19.71.11.90.0

us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents us-gaap:ConsolidatedEntities

srt:ParentCompany


Cash
Period End2020-12-312019-12-312018-12-312017-12-312017-09-302016-09-30
Value941681531.7011.5981.301
Percentage of CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents22.3222.9364.52.61.62.8
Percentage of Assets1.12.12.30.00.00.0
Percentage of Assets srt:ParentCompany9.216.715.80.30.00.0

Property Plant And Equipment Gross

us-gaap:PropertyPlantAndEquipmentGross

us-gaap:PropertyPlantAndEquipmentGross


Property
Period End2020-12-312019-12-312018-12-312017-12-31
Value13313010693
Percentage of PropertyPlantAndEquipmentGross100.0100.0100.0100.0
Percentage of Assets1.51.61.61.6

us-gaap:PropertyPlantAndEquipmentGross us-gaap:PropertyPlantAndEquipmentByType

clbk:LandandBuildingImprovements


Property
Period End2020-12-312019-12-312018-12-312017-12-31
Value35312415
Percentage of PropertyPlantAndEquipmentGross26.524.123.316.7
Percentage of Assets0.40.40.40.3
Percentage of Assets clbk:LandandBuildingImprovements0.00.00.00.0

us-gaap:Building


Property
Period End2020-12-312019-12-312018-12-312017-12-31
Value31272424
Percentage of PropertyPlantAndEquipmentGross23.720.922.525.7
Percentage of Assets0.40.30.40.4
Percentage of Assets us-gaap:Building0.00.00.00.0

us-gaap:FurnitureAndFixtures


Property
Period End2020-12-312019-12-312018-12-312017-12-31
Value33362826
Percentage of PropertyPlantAndEquipmentGross25.528.226.827.9
Percentage of Assets0.40.40.40.5
Percentage of Assets us-gaap:FurnitureAndFixtures0.00.00.00.0

us-gaap:Land


Property
Period End2020-12-312019-12-312018-12-312017-12-31
Value10117.8297.829
Percentage of PropertyPlantAndEquipmentGross7.68.57.38.4
Percentage of Assets0.10.10.10.1
Percentage of Assets us-gaap:Land0.00.00.00.0

us-gaap:LeaseholdImprovements


Property
Period End2020-12-312019-12-312018-12-312017-12-31
Value22242119
Percentage of PropertyPlantAndEquipmentGross16.618.420.021.2
Percentage of Assets0.30.30.30.3
Percentage of Assets us-gaap:LeaseholdImprovements0.00.00.00.0

Accumulated Depreciation Depletion And Amortization Property Plant And Equipment

us-gaap:AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment

us-gaap:AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment


Accumulated
Period End2020-12-312019-12-312018-12-312017-12-31
Value57575450
Percentage of AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment100.0100.0100.0100.0
Percentage of Assets0.60.70.80.9

Amortization Of Intangible Assets

us-gaap:AmortizationOfIntangibleAssets

us-gaap:AmortizationOfIntangibleAssets


Amortization
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-06-302019-03-312017-12-31
Value258000.0262000.0265000.0269000.0273000.0241000.0000
Percentage of AmortizationOfIntangibleAssets100.0100.0100.0100.0100.0100.00.00.00.0
Percentage of Assets0.00.00.00.00.00.00.00.00.0

Property Plant And Equipment Net

us-gaap:PropertyPlantAndEquipmentNet

us-gaap:PropertyPlantAndEquipmentNet


Property
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value75767576777272636158524846434240
Percentage of PropertyPlantAndEquipmentNet100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.80.80.90.90.90.90.90.90.90.90.80.70.70.70.70.8

Investments In Affiliates Subsidiaries Associates And Joint Ventures

us-gaap:InvestmentsInAffiliatesSubsidiariesAssociatesAndJointVentures us-gaap:ConsolidatedEntities

us-gaap:InvestmentsInAffiliatesSubsidiariesAssociatesAndJointVentures

srt:ParentCompany


Investments
Period End2020-12-312019-12-312018-12-312017-12-31
Value873785764516
Percentage of InvestmentsInAffiliatesSubsidiariesAssociatesAndJointVentures100.0100.0100.0100.0
Percentage of Assets9.99.611.49.0
Percentage of Assets srt:ParentCompany85.677.978.798.5

Goodwill

us-gaap:Goodwill

us-gaap:Goodwill


Goodwill
Period End2020-12-312020-06-302019-12-312018-12-312017-12-31
Value800.0605.7165.716
Percentage of Goodwill100.00.0100.0100.0100.0
Percentage of Assets0.90.00.70.10.1

us-gaap:Goodwill us-gaap:BusinessAcquisition

clbk:RoselleEntities


Goodwillus-gaap:
Period End2021-06-302021-03-312020-12-312020-04-01
Value17171823
Percentage of Goodwill0.00.023.30.0
Percentage of Assets0.20.20.20.0
Percentage of Assets clbk:RoselleEntities0.00.00.00.0

Finite Lived Intangible Assets Net

us-gaap:FiniteLivedIntangibleAssetsNet

us-gaap:FiniteLivedIntangibleAssetsNet


Finite
Period End2020-12-312018-12-312017-12-31
Value6197000.0369000.0281000.0
Percentage of FiniteLivedIntangibleAssetsNet100.0100.0100.0
Percentage of Assets0.10.00.0

us-gaap:FiniteLivedIntangibleAssetsNet us-gaap:FiniteLivedIntangibleAssetsByMajorClass

clbk:MortgageServicingRights


Finite
Period End2020-12-312019-12-312018-12-31
Value902000.0574000.0369000.0
Percentage of FiniteLivedIntangibleAssetsNet14.60.0100.0
Percentage of Assets0.00.00.0
Percentage of Assets clbk:MortgageServicingRights0.00.00.0

us-gaap:CoreDeposits


Finite
Period End2020-12-312019-12-312018-12-31
Value6197000.07245000.00
Percentage of FiniteLivedIntangibleAssetsNet100.00.00.0
Percentage of Assets0.10.10.0
Percentage of Assets us-gaap:CoreDeposits0.00.00.0

Intangible Assets Net Including Goodwill

us-gaap:IntangibleAssetsNetIncludingGoodwill

us-gaap:IntangibleAssetsNetIncludingGoodwill


Intangible
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value868687929268686.1636.1916.1066.0855.945.9575.9765.9976.019
Percentage of IntangibleAssetsNetIncludingGoodwill100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets1.01.01.01.01.00.80.80.10.10.10.10.10.10.10.10.1

Deferred Tax Assets Liabilities Net

us-gaap:DeferredTaxAssetsLiabilitiesNet

us-gaap:DeferredTaxAssetsLiabilitiesNet


Deferred
Period End2020-12-312019-12-312018-12-312017-12-31
Value7.18410169.884
Percentage of DeferredTaxAssetsLiabilitiesNet100.0100.0100.0100.0
Percentage of Assets0.10.10.20.2

Equity Securities Fv Ni

us-gaap:EquitySecuritiesFvNi

us-gaap:EquitySecuritiesFvNi


Equity
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-31
Value4053000.04830000.05418000.04706000.04710000.02271000.02855000.01800000.01900000.01400000.01890000.0
Percentage of EquitySecuritiesFvNi100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.00.10.10.10.10.00.00.00.00.00.0

us-gaap:EquitySecuritiesFvNi us-gaap:ConsolidatedEntities

srt:ParentCompany


Equity
Period End2020-12-312019-12-312018-12-31
Value1167000.01282000.01420000.0
Percentage of EquitySecuritiesFvNi21.544.975.1
Percentage of Assets0.00.00.0
Percentage of Assets srt:ParentCompany0.10.10.1

us-gaap:EquitySecuritiesFvNi us-gaap:FairValueByFairValueHierarchyLevel

us-gaap:FairValueInputsLevel1


Equity
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-31
Value3707000.04484000.05072000.04379000.04385000.02018000.02587000.01765000.01915000.01428000.01890000.0
Percentage of EquitySecuritiesFvNi91.592.893.693.193.188.990.698.1100.8102.0100.0
Percentage of Assets0.00.00.10.00.00.00.00.00.00.00.0
Percentage of Assets us-gaap:FairValueInputsLevel10.00.00.00.00.00.00.00.00.00.00.0

us-gaap:FairValueInputsLevel2


Equity
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-31
Value346000.0346000.0346000.0327000.0325000.0253000.0268000.00000
Percentage of EquitySecuritiesFvNi8.57.26.46.96.911.19.40.00.00.00.0
Percentage of Assets0.00.00.00.00.00.00.00.00.00.00.0
Percentage of Assets us-gaap:FairValueInputsLevel20.00.00.00.00.00.00.00.00.00.00.0

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

us-gaap:FairValueInputsLevel1, us-gaap:FairValueMeasurementsRecurring


Equity
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-31
Value3707000.04484000.05072000.04379000.04385000.02018000.02587000.01765000.01915000.01428000.01890000.0
Percentage of EquitySecuritiesFvNi91.592.893.693.193.188.990.698.1100.8102.0100.0
Percentage of Assets0.00.00.10.00.00.00.00.00.00.00.0
Percentage of Assets us-gaap:FairValueInputsLevel1 us-gaap:FairValueMeasurementsRecurring0.00.00.00.00.00.00.00.00.00.00.0

us-gaap:FairValueInputsLevel2, us-gaap:FairValueMeasurementsRecurring


Equity
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-31
Value346000.0346000.0346000.0327000.0325000.0253000.0268000.00000
Percentage of EquitySecuritiesFvNi8.57.26.46.96.911.19.40.00.00.00.0
Percentage of Assets0.00.00.00.00.00.00.00.00.00.00.0
Percentage of Assets us-gaap:FairValueInputsLevel2 us-gaap:FairValueMeasurementsRecurring0.00.00.00.00.00.00.00.00.00.00.0

us-gaap:EquitySecuritiesFvNi us-gaap:FairValueByMeasurementBasis

us-gaap:CarryingReportedAmountFairValueDisclosure


Equity
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-31
Value4053000.04830000.05418000.04706000.04710000.02271000.02855000.01765000.01915000.01428000.01890000.0
Percentage of EquitySecuritiesFvNi100.0100.0100.0100.0100.0100.0100.098.1100.8102.0100.0
Percentage of Assets0.00.10.10.10.10.00.00.00.00.00.0
Percentage of Assets us-gaap:CarryingReportedAmountFairValueDisclosure0.00.00.00.00.00.00.00.00.00.00.0

us-gaap:EstimateOfFairValueFairValueDisclosure


Equity
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-31
Value4053000.04830000.05418000.04706000.04710000.02271000.02855000.01765000.01915000.01428000.01890000.0
Percentage of EquitySecuritiesFvNi100.0100.0100.0100.0100.0100.0100.098.1100.8102.0100.0
Percentage of Assets0.00.10.10.10.10.00.00.00.00.00.0
Percentage of Assets us-gaap:EstimateOfFairValueFairValueDisclosure0.00.00.00.00.00.00.00.00.00.00.0

us-gaap:EquitySecuritiesFvNi us-gaap:FairValueByMeasurementFrequency

us-gaap:FairValueMeasurementsRecurring


Equity
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-31
Value4053000.04830000.05418000.04706000.04710000.02271000.02855000.01765000.01915000.01428000.01890000.0
Percentage of EquitySecuritiesFvNi100.0100.0100.0100.0100.0100.0100.098.1100.8102.0100.0
Percentage of Assets0.00.10.10.10.10.00.00.00.00.00.0
Percentage of Assets us-gaap:FairValueMeasurementsRecurring0.00.00.00.00.00.00.00.00.00.00.0

Other Assets

us-gaap:OtherAssets

us-gaap:OtherAssets


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value21719020919221721914514713898107103107968983
Percentage of OtherAssets100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets2.42.12.42.22.42.61.82.12.01.51.61.61.71.51.61.5

us-gaap:OtherAssets us-gaap:ConsolidatedEntities

srt:ParentCompany


Other
Period End2020-12-312019-12-312018-12-312017-12-31
Value9.8038.4317.8523.281
Percentage of OtherAssets4.75.87.33.7
Percentage of Assets0.10.10.10.1
Percentage of Assets srt:ParentCompany1.00.80.80.6

Time Deposit Maturities Year One

us-gaap:TimeDepositMaturitiesYearOne

us-gaap:TimeDepositMaturitiesYearOne


Time
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value13641457149415431572135812931216112611141107907743693669657
Percentage of TimeDepositMaturitiesYearOne100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets15.016.117.017.417.516.315.817.216.116.316.613.811.810.611.612.1

Long Term Debt

us-gaap:LongTermDebt

us-gaap:LongTermDebt


Long
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312017-12-31
Value74972279910151129137614071129116310981189929
Percentage of LongTermDebt100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets8.38.09.111.512.616.517.216.016.716.117.816.1

us-gaap:LongTermDebt us-gaap:ConsolidatedEntities

srt:ParentCompany


Long
Period End2020-12-312019-12-312018-12-31
Value6.953230.0
Percentage of LongTermDebt0.91.70.0
Percentage of Assets0.10.30.0
Percentage of Assets srt:ParentCompany0.72.40.0

us-gaap:LongTermDebt us-gaap:LongtermDebtType

clbk:LineofCreditandFHLBAdvances


Long
Period End2020-12-312019-12-31
Value7921383
Percentage of LongTermDebt99.198.3
Percentage of Assets9.016.9
Percentage of Assets clbk:LineofCreditandFHLBAdvances0.00.0

us-gaap:FederalHomeLoanBankAdvances


Long
Period End2020-12-312019-12-312018-12-312017-12-31
Value79212751029822
Percentage of LongTermDebt99.190.686.688.5
Percentage of Assets9.015.615.414.3
Percentage of Assets us-gaap:FederalHomeLoanBankAdvances0.00.00.00.0

us-gaap:JuniorSubordinatedDebt


Long
Period End2020-12-312019-12-312018-12-312017-12-31
Value6.9526.9320.050
Percentage of LongTermDebt0.90.50.05.5
Percentage of Assets0.10.10.00.9
Percentage of Assets us-gaap:JuniorSubordinatedDebt0.00.00.00.0

Lessee Operating Lease Liability Payments Due Year Two

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearTwo

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearTwo


Lessee
Period End2021-06-302021-03-312020-12-312020-09-30
Value3590000.03437000.03624000.03624000.0
Percentage of LesseeOperatingLeaseLiabilityPaymentsDueYearTwo100.0100.0100.0100.0
Percentage of Assets0.00.00.00.0

Lessee Operating Lease Liability Payments Due Year Three

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearThree

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearThree


Lessee
Period End2021-06-302021-03-312020-12-312020-09-30
Value2866000.02712000.03310000.03310000.0
Percentage of LesseeOperatingLeaseLiabilityPaymentsDueYearThree100.0100.0100.0100.0
Percentage of Assets0.00.00.00.0

Lessee Operating Lease Liability Payments Due Year Four

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearFour

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearFour


Lessee
Period End2021-06-302021-03-312020-12-312020-09-30
Value2194000.02041000.02586000.02586000.0
Percentage of LesseeOperatingLeaseLiabilityPaymentsDueYearFour100.0100.0100.0100.0
Percentage of Assets0.00.00.00.0

Lessee Operating Lease Liability Payments Due Year Five

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearFive

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearFive


Lessee
Period End2020-12-31
Value1914000.0
Percentage of LesseeOperatingLeaseLiabilityPaymentsDueYearFive100.0
Percentage of Assets0.0

Lessee Operating Lease Liability Payments Due After Year Five

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFive

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFive


Lessee
Period End2020-12-31
Value6620000.0
Percentage of LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFive100.0
Percentage of Assets0.1

Operating Lease Liability

us-gaap:OperatingLeaseLiability

us-gaap:OperatingLeaseLiability


Operating
Period End2021-06-302021-03-312020-12-312020-09-302020-06-30
Value1919202121
Percentage of OperatingLeaseLiability100.0100.0100.0100.0100.0
Percentage of Assets0.20.20.20.20.2

Lessee Operating Lease Liability Payments Due

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDue

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDue


Lessee
Period End2021-06-302021-03-312020-12-312020-09-30
Value21212223
Percentage of LesseeOperatingLeaseLiabilityPaymentsDue100.0100.0100.0100.0
Percentage of Assets0.20.20.30.3

Lessee Operating Lease Liability Undiscounted Excess Amount

us-gaap:LesseeOperatingLeaseLiabilityUndiscountedExcessAmount

us-gaap:LesseeOperatingLeaseLiabilityUndiscountedExcessAmount


Lessee
Period End2021-06-302021-03-312020-12-312020-09-30
Value1736000.01903000.01992000.02093000.0
Percentage of LesseeOperatingLeaseLiabilityUndiscountedExcessAmount100.0100.0100.0100.0
Percentage of Assets0.00.00.00.0

Stockholders Equity

us-gaap:StockholdersEquity

us-gaap:StockholdersEquity


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302015-09-30
Value10339991011101710409619829911007994972947941473472475456445434439417
Percentage of StockholdersEquity100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets11.411.111.511.511.611.512.014.014.414.614.514.415.07.28.28.80.00.00.00.00.0

us-gaap:StockholdersEquity us-gaap:ConsolidatedEntities

srt:ParentCompany


Stockholders
Period End2020-12-312019-12-312018-12-312017-12-31
Value1011982972472
Percentage of StockholdersEquity100.0100.0100.0100.0
Percentage of Assets11.512.014.58.2
Percentage of Assets srt:ParentCompany99.197.4100.090.0

us-gaap:StockholdersEquity us-gaap:StatementEquityComponents

clbk:DeferredCompensationObligation


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302016-09-30
Value1.3411.4941.261.131.0361.2120.9650.8020.6890.7690.6390.00.00.00.00.00.0
Percentage of StockholdersEquity0.10.10.10.10.10.10.10.10.10.10.10.00.00.00.00.00.0
Percentage of Assets0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0
Percentage of Assets clbk:DeferredCompensationObligation0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

clbk:StockHeldbyRabbiTrust


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302016-09-30
Value-2.205-2.141-1.875-1.814-1.767-1.728-1.52-1.467-1.407-1.359-1.2590.00.00.00.00.00.0
Percentage of StockholdersEquity-0.2-0.2-0.2-0.2-0.2-0.2-0.2-0.1-0.1-0.1-0.10.00.00.00.00.00.0
Percentage of Assets-0.0-0.0-0.0-0.0-0.0-0.0-0.0-0.0-0.0-0.0-0.00.00.00.00.00.00.0
Percentage of Assets clbk:StockHeldbyRabbiTrust0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

clbk:UnallocatedCommonStockHeldByTheEmployeeStockOwnershipPlan


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302016-12-312016-09-302015-09-30
Value-38.169-38.734-39.293-39.862-40.434-40.999-41.564-42.137-42.71-43.276-43.835-44.408-44.980.00.00.00.00.00.00.0
Percentage of StockholdersEquity-3.7-3.9-3.9-3.9-3.9-4.3-4.2-4.2-4.2-4.4-4.5-4.7-4.80.00.00.00.00.00.00.0
Percentage of Assets-0.4-0.4-0.4-0.4-0.5-0.5-0.5-0.6-0.6-0.6-0.7-0.7-0.70.00.00.00.00.00.00.0
Percentage of Assets clbk:UnallocatedCommonStockHeldByTheEmployeeStockOwnershipPlan0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:AccumulatedDefinedBenefitPlansAdjustment


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302015-09-30
Value-51.624-75.342-83.797-101.449-67.859-68.717-69.638-61.094-61.838-56.665-56.729-58.288-56.38-58.703-58.355-42.105-56.961-57.031-56.883-57.022-41.416
Percentage of StockholdersEquity-5.0-7.5-8.3-10.0-6.5-7.1-7.1-6.2-6.1-5.7-5.8-6.2-6.0-12.4-12.4-8.8-12.5-12.8-13.1-13.0-9.9
Percentage of Assets-0.6-0.8-1.0-1.1-0.8-0.8-0.9-0.9-0.9-0.8-0.8-0.9-0.9-0.9-1.0-0.80.00.00.00.00.0
Percentage of Assets us-gaap:AccumulatedDefinedBenefitPlansAdjustment0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedges


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302015-09-30
Value-10.225-11.173-16.856-18.788-20.573-19.823-8.474-10.741-9.462-4.786-2.0061.970.730.5660.2240.06-0.0310.0060.00.00.0
Percentage of StockholdersEquity-1.0-1.1-1.7-1.8-2.0-2.1-0.9-1.1-0.9-0.5-0.20.20.10.10.00.0-0.00.00.00.00.0
Percentage of Assets-0.1-0.1-0.2-0.2-0.2-0.2-0.1-0.2-0.1-0.1-0.00.00.00.00.00.00.00.00.00.00.0
Percentage of Assets us-gaap:AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedges0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:AccumulatedNetUnrealizedInvestmentGainLoss


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302015-09-30
Value1814313235289.377159.981-4.369-13.162-25.452-20.086-17.223-7.279-4.135-7.146-8.885-9.2795.6641.345
Percentage of StockholdersEquity1.81.43.13.23.43.01.01.61.0-0.4-1.4-2.7-2.1-3.6-1.5-0.9-1.6-2.0-2.11.30.3
Percentage of Assets0.20.20.40.40.40.30.10.20.1-0.1-0.2-0.4-0.3-0.3-0.1-0.10.00.00.00.00.0
Percentage of Assets us-gaap:AccumulatedNetUnrealizedInvestmentGainLoss0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:AccumulatedOtherComprehensiveIncome


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302015-09-30
Value-43.267-72.507-69.625-87.929-53.207-59.665-68.735-55.972-61.319-65.82-71.897-81.77-75.736-75.36-65.41-46.18-64.138-65.91-66.162-51.358-40.071
Percentage of StockholdersEquity-4.2-7.3-6.9-8.6-5.1-6.2-7.0-5.6-6.1-6.6-7.4-8.6-8.0-15.9-13.9-9.7-14.1-14.8-15.2-11.7-9.6
Percentage of Assets-0.5-0.8-0.8-1.0-0.6-0.7-0.8-0.8-0.9-1.0-1.1-1.2-1.2-1.1-1.1-0.90.00.00.00.00.0
Percentage of Assets us-gaap:AccumulatedOtherComprehensiveIncome0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:AdditionalPaidInCapital


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302016-12-312016-09-302015-09-30
Value6146116096076055345315295275275275265260.00.00.00.00.00.00.0
Percentage of StockholdersEquity59.561.260.359.758.155.654.153.452.453.054.255.655.90.00.00.00.00.00.00.0
Percentage of Assets6.86.86.96.96.86.46.57.57.67.77.98.08.40.00.00.00.00.00.00.0
Percentage of Assets us-gaap:AdditionalPaidInCapital0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:CommonStock


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302016-12-312016-09-302015-09-30
Value1.221.221.221.221.221.1731.1731.1731.1591.1591.1591.1591.1590.00.00.00.00.00.00.0
Percentage of StockholdersEquity0.10.10.10.10.10.10.10.10.10.10.10.10.10.00.00.00.00.00.00.0
Percentage of Assets0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0
Percentage of Assets us-gaap:CommonStock0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:RetainedEarnings


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302015-09-30
Value720694673652637622615601587575560545534549537522520511501491458
Percentage of StockholdersEquity69.869.466.664.161.264.762.660.758.357.957.657.656.8115.9113.9109.7114.1114.8115.2111.7109.6
Percentage of Assets7.97.77.67.47.17.57.58.58.48.48.48.38.58.49.39.60.00.00.00.00.0
Percentage of Assets us-gaap:RetainedEarnings0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:TreasuryStock


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-31
Value-221.072-195.361-163.015-115.58-108.327-95.326-54.95-42.084-3.8670.00.00.00.00.00.0
Percentage of StockholdersEquity-21.4-19.5-16.1-11.4-10.4-9.9-5.6-4.2-0.40.00.00.00.00.00.0
Percentage of Assets-2.4-2.2-1.9-1.3-1.2-1.1-0.7-0.6-0.10.00.00.00.00.00.0
Percentage of Assets us-gaap:TreasuryStock0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Common Stock Value

us-gaap:CommonStockValue

us-gaap:CommonStockValue


Common
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-31
Value1220000.01220000.01220000.01220000.01220000.01173000.01173000.01173000.01159000.01159000.01159000.01159000.01159000.00
Percentage of CommonStockValue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0
Percentage of Assets0.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Additional Paid In Capital

us-gaap:AdditionalPaidInCapital

us-gaap:AdditionalPaidInCapital


Additional
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-31
Value6146116096076055345315295275275275265260.0
Percentage of AdditionalPaidInCapital100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0
Percentage of Assets6.86.86.96.96.86.46.57.57.67.77.98.08.40.0

Retained Earnings Accumulated Deficit

us-gaap:RetainedEarningsAccumulatedDeficit

us-gaap:RetainedEarningsAccumulatedDeficit


Retained
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value720694673652637622615601587575560545534549537522
Percentage of RetainedEarningsAccumulatedDeficit100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets7.97.77.67.47.17.57.58.58.48.48.48.38.58.49.39.6

Accumulated Other Comprehensive Income Loss Net Of Tax

us-gaap:AccumulatedOtherComprehensiveIncomeLossNetOfTax

us-gaap:AccumulatedOtherComprehensiveIncomeLossNetOfTax


Accumulated
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value-43267000.0-72507000.0-69625000.0-87929000.0-53207000.0-59665000.0-68735000.0-55972000.0-61319000.0-65820000.0-71897000.0-81770000.0-75736000.0-75360000.0-65410000.0-46180000.0
Percentage of AccumulatedOtherComprehensiveIncomeLossNetOfTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets-0.5-0.8-0.8-1.0-0.6-0.7-0.8-0.8-0.9-1.0-1.1-1.2-1.2-1.1-1.1-0.9

Treasury Stock Value

us-gaap:TreasuryStockValue

us-gaap:TreasuryStockValue


Treasury
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302018-12-31
Value2211951631151089554423.8670.0
Percentage of TreasuryStockValue100.0100.0100.0100.0100.0100.0100.0100.0100.00.0
Percentage of Assets2.42.21.91.31.21.10.70.60.10.0

Stock Issued During Period Value New Issues

us-gaap:StockIssuedDuringPeriodValueNewIssues

us-gaap:StockIssuedDuringPeriodValueNewIssues


Stock
Period End2020-12-312020-09-302020-06-302019-09-30
Value0.00.0680.014
Percentage of StockIssuedDuringPeriodValueNewIssues0.00.0100.0100.0
Percentage of Assets0.00.00.00.0

us-gaap:StockIssuedDuringPeriodValueNewIssues us-gaap:StatementEquityComponents

us-gaap:AdditionalPaidInCapital


Stock
Period End2020-12-312020-09-302020-06-30
Value0.00.068
Percentage of StockIssuedDuringPeriodValueNewIssues0.00.099.9
Percentage of Assets0.00.00.0
Percentage of Assets us-gaap:AdditionalPaidInCapital0.00.00.0

us-gaap:CommonStock


Stock
Period End2020-12-312020-09-302020-06-302019-09-30
Value0.00.00.0470.014
Percentage of StockIssuedDuringPeriodValueNewIssues0.00.00.1100.0
Percentage of Assets0.00.00.00.0
Percentage of Assets us-gaap:CommonStock0.00.00.00.0

Adjustments To Additional Paid In Capital Sharebased Compensation Requisite Service Period Recognition Value

us-gaap:AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue

us-gaap:AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue


Adjustments
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-30
Value2397000.02143000.02205000.02176000.02205000.02204000.02064000.01630000.0
Percentage of AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.00.00.00.00.00.00.00.0

us-gaap:AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue us-gaap:StatementEquityComponents

us-gaap:AdditionalPaidInCapital


Adjustments
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-30
Value2397000.02143000.02205000.02176000.02205000.02204000.02064000.01630000.0
Percentage of AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.00.00.00.00.00.00.00.0
Percentage of Assets us-gaap:AdditionalPaidInCapital0.00.00.00.00.00.00.00.0

Net Cash Provided By Used In Operating Activities

us-gaap:NetCashProvidedByUsedInOperatingActivities

us-gaap:NetCashProvidedByUsedInOperatingActivities


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-31
Value-100.059172394.958-39.995439330-18.528179.9581619102.3268.779134.2629.876
Percentage of NetCashProvidedByUsedInOperatingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of InterestAndDividendIncomeOperating-147.4254.854.86.8-52.957.8132.347.4-29.528.216.129.235.819.54.718.428.59.422.4

Net Cash Provided By Used In Investing Activities

us-gaap:NetCashProvidedByUsedInInvestingActivities

us-gaap:NetCashProvidedByUsedInInvestingActivities


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-31
Value40-343.4862331100.83-87.77-339.102-69.424-116.684-97.75825-312.98-276.831-236.471-372.135-11.762-118.666-99.849-100.257
Percentage of NetCashProvidedByUsedInInvestingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of InterestAndDividendIncomeOperating59.2-507.8322.6151.71.1-117.5-477.4-107.7-186.0-155.41335.8-542.5-503.2-456.6-756.9-24.6-253.3-219.8-227.2

Net Cash Provided By Used In Financing Activities

us-gaap:NetCashProvidedByUsedInFinancingActivities

us-gaap:NetCashProvidedByUsedInFinancingActivities


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-31
Value87107-116.616-75.607176572624212410294283-310.0597953345011310085
Percentage of NetCashProvidedByUsedInFinancingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of InterestAndDividendIncomeOperating128.7159.5-160.8-103.7233.876.8369.965.9198.4163.7152.6491.9-563.51535.4680.0104.6241.8222.3193.2

Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Including Exchange Rate Effect

us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect

us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect


Cash
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-31
Value27-63.2411574013712173.575-10.76422-12.633-12.349-567.198568-35.477
Percentage of CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of InterestAndDividendIncomeOperating40.5-93.5216.654.9182.017.124.85.5-17.236.5-20.4-21.4-1030.91098.4-72.2

Deferred Income Tax Expense Benefit

us-gaap:DeferredIncomeTaxExpenseBenefit

us-gaap:DeferredIncomeTaxExpenseBenefit


Deferred
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-31
Value0.00.73613-11.084-0.3077.527140.0-7.3080.148-12.254-0.0476.6190.1923.363124.287-5.61413
Percentage of DeferredIncomeTaxExpenseBenefit0.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Net Cash Provided By Used In Operating Activities

us-gaap:NetCashProvidedByUsedInOperatingActivities

us-gaap:NetCashProvidedByUsedInOperatingActivities


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-31
Value-100.059172394.958-39.995439330-18.528179.9581619102.3268.779134.2629.876
Percentage of NetCashProvidedByUsedInOperatingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of InterestAndDividendIncomeOperating-147.4254.854.86.8-52.957.8132.347.4-29.528.216.129.235.819.54.718.428.59.422.4

Net Income Loss

us-gaap:NetIncomeLoss

us-gaap:NetIncomeLoss


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-31
Value26212015156.765131412141410-14.742113.6781.5149.272109.9938.4978.2338.3137.91
Percentage of NetIncomeLoss100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of InterestAndDividendIncomeOperating39.331.128.520.720.09.119.122.119.223.724.118.8-26.822.87.53.219.822.722.619.819.419.819.0

us-gaap:NetIncomeLoss us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncome

us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncome


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-30
Value-1.291-1.089-0.845-0.846-0.8452.373-0.0480.23-0.4710.23-1.295-0.0030.0-0.0140.056-0.0250.002
Percentage of NetIncomeLoss-4.8-5.2-4.1-5.6-5.635.1-0.41.6-3.91.5-8.7-0.0-0.0-0.11.5-1.70.0
Percentage of InterestAndDividendIncomeOperating-1.9-1.6-1.2-1.2-1.13.2-0.10.4-0.80.4-2.1-0.00.0-0.00.1-0.10.0
Percentage of InterestAndDividendIncomeOperating us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncome0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:NetIncomeLoss us-gaap:StatementEquityComponents

us-gaap:RetainedEarnings


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-31
Value26212015156.765131412141410-14.742113.6781.5139.274109.993
Percentage of NetIncomeLoss100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.099.9100.0100.0100.0
Percentage of InterestAndDividendIncomeOperating39.331.128.520.720.09.119.122.119.223.724.118.8-26.822.87.53.219.822.722.6
Percentage of InterestAndDividendIncomeOperating us-gaap:RetainedEarnings0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Share Based Compensation

us-gaap:ShareBasedCompensation

us-gaap:ShareBasedCompensation


Share
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312017-12-31
Value2397000.02143000.02205000.02176000.02205000.02204000.02064000.01630000.00000
Percentage of ShareBasedCompensation100.0100.0100.0100.0100.0100.0100.0100.00.00.00.00.0

Net Cash Provided By Used In Investing Activities

us-gaap:NetCashProvidedByUsedInInvestingActivities

us-gaap:NetCashProvidedByUsedInInvestingActivities


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-31
Value40-343.4862331100.83-87.77-339.102-69.424-116.684-97.75825-312.98-276.831-236.471-372.135-11.762-118.666-99.849-100.257
Percentage of NetCashProvidedByUsedInInvestingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of InterestAndDividendIncomeOperating59.2-507.8322.6151.71.1-117.5-477.4-107.7-186.0-155.41335.8-542.5-503.2-456.6-756.9-24.6-253.3-219.8-227.2

Payments To Acquire Property Plant And Equipment

us-gaap:PaymentsToAcquirePropertyPlantAndEquipment

us-gaap:PaymentsToAcquirePropertyPlantAndEquipment


Payments
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-31
Value1.1032.4810.8740.8981.1491.7034.3053.6524.0897.2984.4732.9623.8531.9842.6481.5942.2821.7310.918
Percentage of PaymentsToAcquirePropertyPlantAndEquipment100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Net Cash Provided By Used In Financing Activities

us-gaap:NetCashProvidedByUsedInFinancingActivities

us-gaap:NetCashProvidedByUsedInFinancingActivities


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-31
Value87107-116.616-75.607176572624212410294283-310.0597953345011310085
Percentage of NetCashProvidedByUsedInFinancingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of InterestAndDividendIncomeOperating128.7159.5-160.8-103.7233.876.8369.965.9198.4163.7152.6491.9-563.51535.4680.0104.6241.8222.3193.2

Proceeds From Issuance Of Long Term Debt

us-gaap:ProceedsFromIssuanceOfLongTermDebt

us-gaap:ProceedsFromIssuanceOfLongTermDebt


Proceeds
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value0.00.040501248255340-3.919157260.0-12.8
Percentage of ProceedsFromIssuanceOfLongTermDebt0.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0

Payments For Repurchase Of Common Stock

us-gaap:PaymentsForRepurchaseOfCommonStock

us-gaap:PaymentsForRepurchaseOfCommonStock


Payments
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302017-12-31
Value2532476.925124013383.8670.00.00.00.0
Percentage of PaymentsForRepurchaseOfCommonStock100.0100.0100.0100.0100.0100.0100.0100.0100.00.00.00.00.0

Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Weighted Average Exercise Price

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice


Share
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302018-12-31
Value15.7315.7315.6615.6715.6715.6715.6715.60
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice100.0100.0100.0100.0100.0100.0100.0100.00.0

Deferred Tax Assets Net

us-gaap:DeferredTaxAssetsNet

us-gaap:DeferredTaxAssetsNet


Deferred
Period End2020-12-312019-12-312018-12-312017-12-31
Value78514942
Percentage of DeferredTaxAssetsNet100.0100.0100.0100.0

Deferred Tax Assets Valuation Allowance

us-gaap:DeferredTaxAssetsValuationAllowance

us-gaap:DeferredTaxAssetsValuationAllowance


Deferred
Period End2020-12-312019-12-312018-12-312017-12-31
Value3411000.07442000.02388000.02786000.0
Percentage of DeferredTaxAssetsValuationAllowance100.0100.0100.0100.0

Proceeds From Repayments Of Short Term Debt

us-gaap:ProceedsFromRepaymentsOfShortTermDebt

us-gaap:ProceedsFromRepaymentsOfShortTermDebt


Proceeds
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-30
Value-10.052-23.323-53.252-33.289-264.325-23.981192-22.5
Percentage of ProceedsFromRepaymentsOfShortTermDebt100.0100.0100.0100.0100.0100.0100.0100.0

clbk:AdjustmentstoAdditionalPaidinCapitalSharebasedCompensationEmployeeStockPurchaseProgramSharesCommittedToBeReleased

clbk:AdjustmentstoAdditionalPaidinCapitalSharebasedCompensationEmployeeStockPurchaseProgramSharesCommittedToBeReleased


Adjustmentsto
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-30
Value997000.0925000.0787000.0679000.0788000.0907000.0947000.0881000.0870000.0868000.0894000.0956000.0744000.0
Percentage of AdjustmentstoAdditionalPaidinCapitalSharebasedCompensationEmployeeStockPurchaseProgramSharesCommittedToBeReleased100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

clbk:AdjustmentstoAdditionalPaidinCapitalSharebasedCompensationEmployeeStockPurchaseProgramSharesCommittedToBeReleased us-gaap:StatementEquityComponents

clbk:UnallocatedCommonStockHeldByTheEmployeeStockOwnershipPlan


Adjustmentsto
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-30
Value565000.0559000.0569000.0572000.0565000.0565000.0573000.0573000.0566000.0559000.0573000.0572000.0448000.0
Percentage of AdjustmentstoAdditionalPaidinCapitalSharebasedCompensationEmployeeStockPurchaseProgramSharesCommittedToBeReleased56.760.472.384.271.762.360.565.065.164.464.159.860.2

us-gaap:AdditionalPaidInCapital


Adjustmentsto
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-30
Value432000.0366000.0218000.0107000.0223000.0342000.0374000.0308000.0304000.0309000.0321000.0384000.0296000.0
Percentage of AdjustmentstoAdditionalPaidinCapitalSharebasedCompensationEmployeeStockPurchaseProgramSharesCommittedToBeReleased43.339.627.715.828.337.739.535.034.935.635.940.239.8

clbk:BankOwnedLifeInsuranceIncome1

clbk:BankOwnedLifeInsuranceIncome1


Bank
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-30
Value1497000.01474000.01531000.01519000.01417000.01784000.01345000.01320000.01309000.01493000.0
Percentage of BankOwnedLifeInsuranceIncome1100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

clbk:BusinessCombinationProvisionalInformationInitialAccountingIncompleteAdjustmentDeferredTaxAssets us-gaap:BusinessAcquisition

clbk:BusinessCombinationProvisionalInformationInitialAccountingIncompleteAdjustmentDeferredTaxAssets

clbk:RoselleEntities


Business
Period End2021-03-312020-12-312020-03-31
Value1100000.05100000.01100000.0
Percentage of BusinessCombinationProvisionalInformationInitialAccountingIncompleteAdjustmentDeferredTaxAssets100.0100.0100.0

clbk:CallsOfDebtSecuritiesAvailableforsaleRealizedGain

clbk:CallsOfDebtSecuritiesAvailableforsaleRealizedGain


Calls
Period End2020-12-312020-09-302020-06-302020-03-31
Value0001000.0
Percentage of CallsOfDebtSecuritiesAvailableforsaleRealizedGain0.00.00.0100.0

clbk:FundingofDeferredCompensationObligations

clbk:FundingofDeferredCompensationObligations


Fundingof
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value217000.032000.0-69000.0-47000.0215000.0-39000.0-110000.0-53000.0128000.0-30000.0
Percentage of FundingofDeferredCompensationObligations100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

clbk:FundingofDeferredCompensationObligations us-gaap:StatementEquityComponents

clbk:DeferredCompensationObligation


Fundingof
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value153000.0-234000.0-130000.0-94000.0176000.0-247000.0-163000.0-113000.080000.0-130000.0
Percentage of FundingofDeferredCompensationObligations70.5-731.2188.4200.081.9633.3148.2213.262.5433.3

clbk:StockHeldbyRabbiTrust


Fundingof
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value64000.0266000.061000.047000.039000.0208000.053000.060000.048000.0100000.0
Percentage of FundingofDeferredCompensationObligations29.5831.2-88.4-100.018.1-533.3-48.2-113.237.5-333.3

clbk:GainLossOnRestructuring us-gaap:RestructuringCostAndReserve

clbk:GainLossOnRestructuring

us-gaap:FacilityClosing


Gain
Period End2021-06-302021-03-312020-12-312020-09-30
Value-314000.0-770000.000
Percentage of GainLossOnRestructuring100.0100.00.00.0

clbk:GainOnSaleOfLoansHeldForInvestment us-gaap:FinancingReceivablePortfolioSegment

clbk:GainOnSaleOfLoansHeldForInvestment

us-gaap:CommercialPortfolioSegment


Gain
Period End2020-09-302020-06-30
Value23000.055000.0
Percentage of GainOnSaleOfLoansHeldForInvestment100.0100.0

clbk:GainOnSaleOfLoansHeldForInvestment us-gaap:FinancingReceivablePortfolioSegment, us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable

us-gaap:CommercialRealEstatePortfolioSegment, clbk:SingleFamilyRealEstateLoan


Gain
Period End2020-09-30
Value0
Percentage of GainOnSaleOfLoansHeldForInvestment0.0

clbk:GainOnSaleOfLoansHeldForSale us-gaap:FinancingReceivablePortfolioSegment

clbk:GainOnSaleOfLoansHeldForSale

us-gaap:CommercialPortfolioSegment


Gain
Period End2021-03-31
Value435000.0
Percentage of GainOnSaleOfLoansHeldForSale100.0

us-gaap:CommercialRealEstatePortfolioSegment


Gain
Period End2021-06-30
Value7700000.0
Percentage of GainOnSaleOfLoansHeldForSale0.0

clbk:GainOnSaleOfLoansHeldForSale us-gaap:FinancingReceivablePortfolioSegment, us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable

us-gaap:CommercialRealEstatePortfolioSegment, clbk:SingleFamilyRealEstateLoan


Gain
Period End2021-06-302020-12-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-31
Value277000.00327000.0740000.0672000.0382000.0196000.062000.0
Percentage of GainOnSaleOfLoansHeldForSale0.00.00.00.00.00.00.00.0

clbk:GainOnSaleOfLoansReceivable us-gaap:CounterpartyName

clbk:GainOnSaleOfLoansReceivable

clbk:FreddieMac


Gain
Period End2021-06-302021-03-312020-12-312020-09-30
Value544000.01700000.02000000.01500000.0
Percentage of GainOnSaleOfLoansReceivable100.0100.0100.0100.0

clbk:NoncashInvestingandFinancingOperatingLeaseLiability

clbk:NoncashInvestingandFinancingOperatingLeaseLiability


Noncash
Period End2020-09-302020-06-302020-03-31
Value0.00.023
Percentage of NoncashInvestingandFinancingOperatingLeaseLiability0.00.0100.0

clbk:OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAndHeldToMaturityAdjustmentNetofTaxPortionAttributableToParent

clbk:OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAndHeldToMaturityAdjustmentNetofTaxPortionAttributableToParent


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-31
Value4.574-17.02-1.344-2.9176.3519-6.555.882149.40512-5.366-2.863-9.878-3.1443.0081.7390.394-14.943
Percentage of OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAndHeldToMaturityAdjustmentNetofTaxPortionAttributableToParent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

clbk:PaymentsForRepurchaseOfRestrictedStock

clbk:PaymentsForRepurchaseOfRestrictedStock


Payments
Period End2020-12-312020-09-302020-06-302020-03-312019-06-302019-03-312017-12-31
Value8000.003000.013000.0000
Percentage of PaymentsForRepurchaseOfRestrictedStock100.00.0100.0100.00.00.00.0

clbk:ProceedsFromCallsOfDebtSecuritiesAvailableForSale

clbk:ProceedsFromCallsOfDebtSecuritiesAvailableForSale


Proceeds
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-30
Value0.05.05.00.05.51.1230.00.00.7970.01.50.0
Percentage of ProceedsFromCallsOfDebtSecuritiesAvailableForSale0.0100.0100.00.0100.0100.0100.00.00.0100.00.0100.00.0

clbk:SecuritizationOfLoans

clbk:SecuritizationOfLoans


Securitization
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302017-12-31
Value356468480.00.00.00.0156.0610.00.00.0
Percentage of SecuritizationOfLoans100.0100.0100.0100.00.00.00.00.0100.0100.00.00.00.0

clbk:ServicingFeesNet1

clbk:ServicingFeesNet1


Servicing
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-31
Value714000.0651000.0565000.0533000.0728000.03038000.01500000.0820000.0616000.0451000.0473000.0
Percentage of ServicingFeesNet1100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

clbk:StockRepurchaseProgramPercentOfCommonStock

clbk:StockRepurchaseProgramPercentOfCommonStock


Stock
Period End2021-02-012020-09-102019-06-13
Value4.54.33.5
Percentage of StockRepurchaseProgramPercentOfCommonStock100.0100.0100.0

us-gaap:AccretionAmortizationOfDiscountsAndPremiumsInvestments

us-gaap:AccretionAmortizationOfDiscountsAndPremiumsInvestments


Accretion
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-31
Value-1116000.0-1425000.0-935000.0-719000.0-502000.0-352000.0-373000.0-198000.0-280000.0-309000.0-195000.0-310000.0-334000.0-373000.0-328000.0-607000.0-816000.0129000.0-412000.0
Percentage of AccretionAmortizationOfDiscountsAndPremiumsInvestments100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:AdvertisingExpense

us-gaap:AdvertisingExpense


Advertising
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-31
Value663000.0535000.0566000.0484000.0447000.01144000.0621000.0533000.01390000.01388000.0995000.01003000.01292000.0847000.01408000.01564000.01122000.0681000.0711000.0
Percentage of AdvertisingExpense100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:AllowanceForLoanAndLeaseLossRecoveryOfBadDebts

us-gaap:AllowanceForLoanAndLeaseLossRecoveryOfBadDebts


Allowance
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-31
Value247000.0263000.098000.062000.035000.058000.0341000.0189000.0149000.0189000.0181000.0188000.0279000.0172000.0106000.028000.0
Percentage of AllowanceForLoanAndLeaseLossRecoveryOfBadDebts100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:AllowanceForLoanAndLeaseLossRecoveryOfBadDebts us-gaap:FinancingReceivablePortfolioSegment

us-gaap:CommercialPortfolioSegment


Allowance
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-31
Value128000.012000.071000.030000.08000.053000.0313000.0129000.024000.036000.052000.0171000.014000.073000.077000.019000.0
Percentage of AllowanceForLoanAndLeaseLossRecoveryOfBadDebts51.84.672.448.422.991.491.868.316.119.028.791.05.042.472.667.9

us-gaap:AllowanceForLoanAndLeaseLossRecoveryOfBadDebts us-gaap:FinancingReceivablePortfolioSegment, us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable

us-gaap:CommercialRealEstatePortfolioSegment, clbk:MultifamilyAndCommercialRealEstateLoan


Allowance
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-31
Value02000.010000.010000.00002000.0000075000.0000
Percentage of AllowanceForLoanAndLeaseLossRecoveryOfBadDebts0.00.810.216.10.00.00.01.10.00.00.00.026.90.00.00.0

us-gaap:CommercialRealEstatePortfolioSegment, clbk:SingleFamilyRealEstateLoan


Allowance
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-31
Value87000.0239000.03000.01000.04000.04000.021000.054000.0108000.051000.0120000.09000.0150000.093000.022000.03000.0
Percentage of AllowanceForLoanAndLeaseLossRecoveryOfBadDebts35.290.93.11.611.46.96.228.672.527.066.34.853.854.120.810.7

us-gaap:CommercialRealEstatePortfolioSegment, us-gaap:ConstructionLoans


Allowance
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-31
Value01000.0001000.01000.000003000.000000
Percentage of AllowanceForLoanAndLeaseLossRecoveryOfBadDebts0.00.40.00.02.91.70.00.00.00.01.70.00.00.00.00.0

us-gaap:ConsumerPortfolioSegment, us-gaap:HomeEquityLoan


Allowance
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-31
Value32000.09000.014000.021000.022000.007000.03000.017000.099000.05000.06000.040000.06000.07000.06000.0
Percentage of AllowanceForLoanAndLeaseLossRecoveryOfBadDebts13.03.414.333.962.90.02.11.611.452.42.83.214.33.56.621.4

us-gaap:AllowanceForLoanAndLeaseLossesWriteOffs

us-gaap:AllowanceForLoanAndLeaseLossesWriteOffs


Allowance
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-31
Value645000.03184000.0175000.03501000.0966000.0538000.0348000.02030000.0767000.017000.0407000.043000.03388000.0389000.0422000.046000.0
Percentage of AllowanceForLoanAndLeaseLossesWriteOffs100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:AllowanceForLoanAndLeaseLossesWriteOffs us-gaap:FinancingReceivablePortfolioSegment

us-gaap:CommercialPortfolioSegment


Allowance
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-31
Value367000.02800000.063000.02987000.0738000.01000.0268000.01776000.0197000.03000.0224000.03000.0435000.0148000.0023000.0
Percentage of AllowanceForLoanAndLeaseLossesWriteOffs56.987.936.085.376.40.277.087.525.717.655.07.012.838.00.050.0

us-gaap:AllowanceForLoanAndLeaseLossesWriteOffs us-gaap:FinancingReceivablePortfolioSegment, us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable

us-gaap:CommercialRealEstatePortfolioSegment, clbk:MultifamilyAndCommercialRealEstateLoan


Allowance
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-31
Value001000.0103000.00001000.000129000.02000.0874000.038000.0167000.00
Percentage of AllowanceForLoanAndLeaseLossesWriteOffs0.00.00.62.90.00.00.00.00.00.031.74.725.89.839.60.0

us-gaap:CommercialRealEstatePortfolioSegment, clbk:SingleFamilyRealEstateLoan


Allowance
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-31
Value187000.0353000.086000.0310000.0228000.0515000.00206000.0323000.06000.054000.024000.01010000.0197000.0183000.015000.0
Percentage of AllowanceForLoanAndLeaseLossesWriteOffs29.011.149.18.923.695.70.010.142.135.313.355.829.850.643.432.6

us-gaap:ConsumerPortfolioSegment, clbk:OtherLoans


Allowance
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-31
Value01000.01000.01000.001000.002000.01000.08000.005000.03000.06000.02000.04000.0
Percentage of AllowanceForLoanAndLeaseLossesWriteOffs0.00.00.60.00.00.20.00.10.147.10.011.60.11.50.58.7

us-gaap:ConsumerPortfolioSegment, us-gaap:HomeEquityLoan


Allowance
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-31
Value91000.030000.024000.0100000.0021000.080000.045000.0246000.0009000.01066000.0070000.04000.0
Percentage of AllowanceForLoanAndLeaseLossesWriteOffs14.10.913.72.90.03.923.02.232.10.00.020.931.50.016.68.7

us-gaap:AmortizationOfDeferredLoanOriginationFeesNet

us-gaap:AmortizationOfDeferredLoanOriginationFeesNet


Amortization
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-31
Value198000.01241000.02282000.0-162000.0168000.0-824000.0-150000.047000.0-788000.0-314000.0-545000.0-583000.0-445000.0-392000.0-439000.0-348000.0-357000.0-240000.0-168000.0
Percentage of AmortizationOfDeferredLoanOriginationFeesNet100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:AmortizationOfMortgageServicingRightsMSRs

us-gaap:AmortizationOfMortgageServicingRightsMSRs


Amortization
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-31
Value69000.060000.028000.029000.028000.0-26000.0-31000.0-21000.016000.017000.019000.021000.022000.023000.025000.028000.029000.0
Percentage of AmortizationOfMortgageServicingRightsMSRs100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:BankOwnedLifeInsuranceIncome

us-gaap:BankOwnedLifeInsuranceIncome


Bank
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-31
Value1497000.01474000.02153000.01531000.01519000.01417000.01397000.01784000.01345000.01320000.05200000.01309000.01493000.01064000.01089000.01091000.01059000.01698000.01087000.0
Percentage of BankOwnedLifeInsuranceIncome100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:BusinessCombinationAcquisitionRelatedCosts

us-gaap:BusinessCombinationAcquisitionRelatedCosts


Business
Period End2021-06-302020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-31
Value75000.00424000.0432000.01075000.01553000.0740000.0462000.000000
Percentage of BusinessCombinationAcquisitionRelatedCosts100.00.0100.0100.0100.0100.0100.0100.00.00.00.00.00.0

us-gaap:BusinessCombinationAcquisitionRelatedCosts us-gaap:BusinessAcquisition

clbk:Freehold


Business
Period End2021-06-30
Value75000.0
Percentage of BusinessCombinationAcquisitionRelatedCosts100.0

clbk:RoselleEntities


Business
Period End2020-12-312020-09-302020-06-302020-03-312019-06-30
Value-21000.0175000.0335000.0112000.00
Percentage of BusinessCombinationAcquisitionRelatedCosts0.041.377.510.40.0

clbk:StewardshipFinancialCorporation


Business
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-30
Value0248000.0102000.0962000.01600000.0740000.0462000.0
Percentage of BusinessCombinationAcquisitionRelatedCosts0.058.523.689.5103.0100.0100.0

us-gaap:CashAcquiredFromAcquisition

us-gaap:CashAcquiredFromAcquisition


Cash
Period End2020-09-30
Value0.0
Percentage of CashAcquiredFromAcquisition0.0

us-gaap:CertainLoansAcquiredInTransferNotAccountedForAsDebtSecuritiesAccretableYieldAccretion

us-gaap:CertainLoansAcquiredInTransferNotAccountedForAsDebtSecuritiesAccretableYieldAccretion


Certain
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-31
Value32000.032000.0-122000.058000.049000.049000.0
Percentage of CertainLoansAcquiredInTransferNotAccountedForAsDebtSecuritiesAccretableYieldAccretion100.0100.0100.0100.0100.0100.0

us-gaap:CertainLoansAcquiredInTransferNotAccountedForAsDebtSecuritiesAccretableYieldAdditions

us-gaap:CertainLoansAcquiredInTransferNotAccountedForAsDebtSecuritiesAccretableYieldAdditions


Certain
Period End2020-12-312020-09-302020-06-30
Value0058000.0
Percentage of CertainLoansAcquiredInTransferNotAccountedForAsDebtSecuritiesAccretableYieldAdditions0.00.0100.0

us-gaap:CertainLoansAcquiredInTransferNotAccountedForAsDebtSecuritiesAccretableYieldPeriodIncreaseDecrease

us-gaap:CertainLoansAcquiredInTransferNotAccountedForAsDebtSecuritiesAccretableYieldPeriodIncreaseDecrease


Certain
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-31
Value-1000.022000.0116000.01000.0-1000.01000.0
Percentage of CertainLoansAcquiredInTransferNotAccountedForAsDebtSecuritiesAccretableYieldPeriodIncreaseDecrease100.0100.0100.0100.0100.0100.0

us-gaap:DebtAndEquitySecuritiesGainLoss

us-gaap:DebtAndEquitySecuritiesGainLoss


Debt
Period End2021-06-302020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-31
Value-281000.0000370000.0891000.01256000.0339000.0126000.0000116000.0-60000.0
Percentage of DebtAndEquitySecuritiesGainLoss100.00.00.00.0100.0100.0100.0100.0100.00.00.00.0100.0100.0

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

us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncome, us-gaap:AccumulatedNetUnrealizedInvestmentGainLoss


Debt
Period End2021-06-302020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-31
Value-281000.0000370000.0891000.01256000.0339000.0126000.0000116000.0-60000.0
Percentage of DebtAndEquitySecuritiesGainLoss100.00.00.00.0100.0100.0100.0100.0100.00.00.00.0100.0100.0

us-gaap:DebtSecuritiesAvailableForSaleRealizedGain

us-gaap:DebtSecuritiesAvailableForSaleRealizedGain


Debt
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302018-12-312018-09-30
Value000369000.0700000.01200000.0339000.000
Percentage of DebtSecuritiesAvailableForSaleRealizedGain0.00.00.0100.0100.0100.0100.00.00.0

us-gaap:DebtSecuritiesAvailableForSaleRealizedLoss

us-gaap:DebtSecuritiesAvailableForSaleRealizedLoss


Debt
Period End2021-06-302019-12-312019-09-302019-06-302018-09-30
Value281000.022000.0000
Percentage of DebtSecuritiesAvailableForSaleRealizedLoss100.0100.00.00.00.0

us-gaap:DefinedBenefitPlanAmortizationOfGainsLosses us-gaap:RetirementPlanType

us-gaap:DefinedBenefitPlanAmortizationOfGainsLosses

us-gaap:DefinedBenefitPostretirementLifeInsurance


Defined
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value-191000.0-191000.0-115000.0-113000.0-113000.0-113000.0-61000.0-62000.0-62000.0-62000.0
Percentage of DefinedBenefitPlanAmortizationOfGainsLosses100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OtherPostretirementBenefitPlansDefinedBenefit


Defined
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-31
Value-153000.0-153000.0-78000.0-77000.0-77000.0-77000.0150000.0-99000.0-99000.0-99000.0-116000.0-69000.0-69000.0-69000.0-69000.0-81000.0-85000.0-81000.0-81000.0
Percentage of DefinedBenefitPlanAmortizationOfGainsLosses80.180.167.868.168.168.1-245.9159.7159.7159.70.00.00.00.00.00.00.00.00.0

us-gaap:PensionPlansDefinedBenefit


Defined
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-31
Value-1000000.0-1000000.0-1848000.0-1492000.0-781000.0-781000.0-770000.0-770000.0-765000.0-765000.0-996000.0-707000.0-707000.0-707000.0-707000.0-2750000.0-2123000.0-2750000.0-2750000.0
Percentage of DefinedBenefitPlanAmortizationOfGainsLosses523.6523.61607.01320.4691.2691.21262.31241.91233.91233.90.00.00.00.00.00.00.00.00.0

us-gaap:SupplementalEmployeeRetirementPlanDefinedBenefit


Defined
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-31
Value-166000.0-166000.0-100000.0-99000.0-99000.0-99000.0-61000.0-61000.0-61000.0-61000.0-104000.0-103000.0-103000.0-103000.0-103000.0-113000.0-71000.0-113000.0-113000.0
Percentage of DefinedBenefitPlanAmortizationOfGainsLosses86.986.987.087.687.687.6100.098.498.498.40.00.00.00.00.00.00.00.00.0

us-gaap:DefinedBenefitPlanExpectedReturnOnPlanAssets us-gaap:RetirementPlanType

us-gaap:DefinedBenefitPlanExpectedReturnOnPlanAssets

us-gaap:PensionPlansDefinedBenefit


Defined
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-31
Value6.3186.3185.9925.9085.7375.7375.8025.8024.7274.7276.3494.8154.8154.8154.8156.2025.6776.2026.202
Percentage of DefinedBenefitPlanExpectedReturnOnPlanAssets100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DefinedBenefitPlanInterestCost us-gaap:RetirementPlanType

us-gaap:DefinedBenefitPlanInterestCost

us-gaap:DefinedBenefitPostretirementLifeInsurance


Defined
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value125000.0125000.0123000.0135000.0131000.0114000.0115000.0114000.0114000.0114000.0
Percentage of DefinedBenefitPlanInterestCost100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OtherPostretirementBenefitPlansDefinedBenefit


Defined
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-31
Value141000.0141000.0170000.0171000.0171000.0171000.0-137000.0321000.0321000.0321000.0181000.0205000.0205000.0205000.0205000.0186000.0214000.0186000.0186000.0
Percentage of DefinedBenefitPlanInterestCost112.8112.8138.2126.7130.5150.0-119.1281.6281.6281.60.00.00.00.00.00.00.00.00.0

us-gaap:PensionPlansDefinedBenefit


Defined
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-31
Value1756000.01756000.01721000.01824000.02031000.02031000.02091000.02090000.02194000.02194000.02102000.02129000.02129000.02129000.02129000.02111000.02024000.02111000.02111000.0
Percentage of DefinedBenefitPlanInterestCost1404.81404.81399.21351.11550.41781.61818.31833.31924.61924.60.00.00.00.00.00.00.00.00.0

us-gaap:SupplementalEmployeeRetirementPlanDefinedBenefit


Defined
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-31
Value86000.086000.099000.0102000.0102000.0102000.0118000.0116000.0116000.0116000.0110000.0111000.0111000.0111000.0111000.0107000.096000.0107000.0107000.0
Percentage of DefinedBenefitPlanInterestCost68.868.880.575.677.989.5102.6101.8101.8101.80.00.00.00.00.00.00.00.00.0

us-gaap:DefinedBenefitPlanNetPeriodicBenefitCost us-gaap:RetirementPlanType

us-gaap:DefinedBenefitPlanNetPeriodicBenefitCost

us-gaap:DefinedBenefitPostretirementLifeInsurance


Defined
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value471000.0471000.0373000.0382000.0378000.0347000.0280000.0278000.0278000.0278000.0
Percentage of DefinedBenefitPlanNetPeriodicBenefitCost100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OtherPostretirementBenefitPlansDefinedBenefit


Defined
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-31
Value424000.0424000.0345000.0347000.0347000.0347000.0-506000.0606000.0606000.0606000.0431000.0333000.0333000.0333000.0333000.0268000.0377000.0351000.0351000.0
Percentage of DefinedBenefitPlanNetPeriodicBenefitCost90.090.092.590.891.8100.0-180.7218.0218.0218.00.00.00.00.00.00.00.00.00.0

us-gaap:PensionPlansDefinedBenefit


Defined
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-31
Value-1412000.0-1412000.0-344000.0-560000.0-988000.0-988000.0-1195000.0-1196000.0-267000.0-267000.0-786000.0-199000.0-199000.0-199000.0-199000.0564000.017000.0564000.0564000.0
Percentage of DefinedBenefitPlanNetPeriodicBenefitCost-299.8-299.8-92.2-146.6-261.4-284.7-426.8-430.2-96.0-96.00.00.00.00.00.00.00.00.00.0

us-gaap:SupplementalEmployeeRetirementPlanDefinedBenefit


Defined
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-31
Value352000.0352000.0265000.0268000.0268000.0268000.0230000.0230000.0230000.0230000.0313000.0275000.0275000.0275000.0275000.0279000.0202000.0279000.0279000.0
Percentage of DefinedBenefitPlanNetPeriodicBenefitCost74.774.771.070.270.977.282.182.782.782.70.00.00.00.00.00.00.00.00.0

us-gaap:DefinedBenefitPlanNetPeriodicBenefitCost us-gaap:TitleOfIndividual, us-gaap:RetirementPlanType

clbk:FormerBankPresident, us-gaap:SupplementalEmployeeRetirementPlanDefinedBenefit


Defined
Period End2021-06-302021-03-312020-09-302020-06-30
Value2000.02000.04000000.04000.0
Percentage of DefinedBenefitPlanNetPeriodicBenefitCost0.40.41047.11.1

us-gaap:DefinedBenefitPlanServiceCost us-gaap:RetirementPlanType

us-gaap:DefinedBenefitPlanServiceCost

us-gaap:DefinedBenefitPostretirementLifeInsurance


Defined
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value141000.0141000.0121000.0120000.0120000.0106000.090000.088000.088000.088000.0
Percentage of DefinedBenefitPlanServiceCost100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OtherPostretirementBenefitPlansDefinedBenefit


Defined
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-31
Value130000.0130000.097000.099000.099000.099000.0-177000.0172000.0172000.0172000.0138000.093000.093000.093000.093000.035000.0112000.0118000.0118000.0
Percentage of DefinedBenefitPlanServiceCost92.292.280.282.582.593.4-196.7195.5195.5195.50.00.00.00.00.00.00.00.00.0

us-gaap:PensionPlansDefinedBenefit


Defined
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-31
Value2150000.02150000.02079000.02032000.01937000.01937000.01746000.01746000.01501000.01501000.02465000.01780000.01780000.01780000.01780000.01905000.01547000.01905000.01905000.0
Percentage of DefinedBenefitPlanServiceCost1524.81524.81718.21693.31614.21827.41940.01984.11705.71705.70.00.00.00.00.00.00.00.00.0

us-gaap:SupplementalEmployeeRetirementPlanDefinedBenefit


Defined
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-31
Value100000.0100000.066000.067000.067000.067000.051000.053000.053000.053000.099000.061000.061000.061000.061000.059000.035000.059000.059000.0
Percentage of DefinedBenefitPlanServiceCost70.970.954.555.855.863.256.760.260.260.20.00.00.00.00.00.00.00.00.0

us-gaap:DepreciationNonproduction

us-gaap:DepreciationNonproduction


Depreciation
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-31
Value1704000.01658000.01596000.01633000.01699000.01615000.01514000.01196000.01113000.01057000.01091000.0914000.0937000.0897000.0863000.0837000.01027000.0822000.0862000.0
Percentage of DepreciationNonproduction100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DerivativeGainLossOnDerivativeNet us-gaap:DerivativeInstrumentRisk

us-gaap:DerivativeGainLossOnDerivativeNet

us-gaap:InterestRateSwap


Derivative
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-31
Value167000.0-368000.0-712000.0-44000.024000.0426000.0-84000.075000.0146000.067000.0-66000.014000.0000
Percentage of DerivativeGainLossOnDerivativeNet100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.00.00.0

us-gaap:DividendIncomeOperating

us-gaap:DividendIncomeOperating


Dividend
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-31
Value487000.0635000.0710000.0821000.01040000.01090000.0893000.0858000.0874000.0972000.0900000.0617000.0657000.0586000.0567000.0512000.0449000.0466000.0413000.0
Percentage of DividendIncomeOperating100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:EmployeeStockOwnershipPlanESOPCompensationExpense

us-gaap:EmployeeStockOwnershipPlanESOPCompensationExpense


Employee
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value997000.0925000.0787000.0679000.0788000.0907000.0947000.0881000.0870000.0868000.0894000.0956000.0744000.0000
Percentage of EmployeeStockOwnershipPlanESOPCompensationExpense100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.00.00.0

us-gaap:FederalDepositInsuranceCorporationPremiumExpense

us-gaap:FederalDepositInsuranceCorporationPremiumExpense


Federal
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-31
Value567000.0580000.0551000.0614000.0626000.0110000.0-32000.040000.0462000.0425000.0489000.0503000.0473000.0428000.0414000.0415000.0412000.0413000.0412000.0
Percentage of FederalDepositInsuranceCorporationPremiumExpense100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:FinancingReceivableAllowanceForCreditLossesRecovery

us-gaap:FinancingReceivableAllowanceForCreditLossesRecovery


Financing
Period End2021-06-302021-03-312020-06-302020-03-31
Value1087000.037000.0263000.098000.0
Percentage of FinancingReceivableAllowanceForCreditLossesRecovery100.0100.0100.0100.0

us-gaap:FinancingReceivableAllowanceForCreditLossesRecovery us-gaap:FinancingReceivablePortfolioSegment

us-gaap:CommercialPortfolioSegment


Financing
Period End2021-06-302021-03-312020-06-302020-03-31
Value111000.016000.012000.071000.0
Percentage of FinancingReceivableAllowanceForCreditLossesRecovery10.243.24.672.4

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

us-gaap:CommercialRealEstatePortfolioSegment, clbk:MultifamilyAndCommercialRealEstateLoan


Financing
Period End2021-06-302021-03-312020-06-302020-03-31
Value931000.06000.02000.010000.0
Percentage of FinancingReceivableAllowanceForCreditLossesRecovery85.616.20.810.2

us-gaap:CommercialRealEstatePortfolioSegment, clbk:SingleFamilyRealEstateLoan


Financing
Period End2021-06-302021-03-312020-06-302020-03-31
Value11000.03000.0239000.03000.0
Percentage of FinancingReceivableAllowanceForCreditLossesRecovery1.08.190.93.1

us-gaap:CommercialRealEstatePortfolioSegment, us-gaap:ConstructionLoans


Financing
Period End2021-06-302021-03-312020-06-30
Value01000.01000.0
Percentage of FinancingReceivableAllowanceForCreditLossesRecovery0.02.70.4

us-gaap:ConsumerPortfolioSegment, us-gaap:HomeEquityLoan


Financing
Period End2021-06-302021-03-312020-06-302020-03-31
Value34000.011000.09000.014000.0
Percentage of FinancingReceivableAllowanceForCreditLossesRecovery3.129.73.414.3

us-gaap:FinancingReceivableAllowanceForCreditLossesWriteOffs

us-gaap:FinancingReceivableAllowanceForCreditLossesWriteOffs


Financing
Period End2021-06-302021-03-312020-06-302020-03-31
Value1332000.01529000.03184000.0175000.0
Percentage of FinancingReceivableAllowanceForCreditLossesWriteOffs100.0100.0100.0100.0

us-gaap:FinancingReceivableAllowanceForCreditLossesWriteOffs us-gaap:FinancingReceivablePortfolioSegment

us-gaap:CommercialPortfolioSegment


Financing
Period End2021-06-302021-03-312020-06-302020-03-31
Value617000.01087000.02800000.063000.0
Percentage of FinancingReceivableAllowanceForCreditLossesWriteOffs46.371.187.936.0

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

us-gaap:CommercialRealEstatePortfolioSegment, clbk:MultifamilyAndCommercialRealEstateLoan


Financing
Period End2021-06-302021-03-312020-06-302020-03-31
Value396000.0166000.001000.0
Percentage of FinancingReceivableAllowanceForCreditLossesWriteOffs29.710.90.00.6

us-gaap:CommercialRealEstatePortfolioSegment, clbk:SingleFamilyRealEstateLoan


Financing
Period End2021-06-302021-03-312020-06-302020-03-31
Value290000.0216000.0353000.086000.0
Percentage of FinancingReceivableAllowanceForCreditLossesWriteOffs21.814.111.149.1

us-gaap:ConsumerPortfolioSegment, clbk:OtherLoans


Financing
Period End2021-06-302021-03-312020-06-302020-03-31
Value02000.01000.01000.0
Percentage of FinancingReceivableAllowanceForCreditLossesWriteOffs0.00.10.00.6

us-gaap:ConsumerPortfolioSegment, us-gaap:HomeEquityLoan


Financing
Period End2021-06-302021-03-312020-06-302020-03-31
Value29000.058000.030000.024000.0
Percentage of FinancingReceivableAllowanceForCreditLossesWriteOffs2.23.80.913.7

us-gaap:FinancingReceivableModificationsPostModificationRecordedInvestment2

us-gaap:FinancingReceivableModificationsPostModificationRecordedInvestment2


Financing
Period End2021-06-302020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-31
Value0.5330.635170.0110.00.00.04.0950.4040.00.380.6720.04.1920.50.0830.365
Percentage of FinancingReceivableModificationsPostModificationRecordedInvestment2100.0100.0100.00.0100.00.00.00.0100.0100.00.0100.0100.00.0100.0100.0100.0100.0

us-gaap:FinancingReceivableModificationsPostModificationRecordedInvestment2 us-gaap:FinancingReceivablePortfolioSegment

us-gaap:CommercialPortfolioSegment


Financing
Period End2020-12-312020-09-302019-12-31
Value0.01.2950.0
Percentage of FinancingReceivableModificationsPostModificationRecordedInvestment20.07.30.0

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

us-gaap:CommercialRealEstatePortfolioSegment, clbk:MultifamilyAndCommercialRealEstateLoan


Financing
Period End2021-06-302020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302017-12-312017-09-30
Value0.2110.635160.011-4.0950.00.04.0950.0650.00.03.964
Percentage of FinancingReceivableModificationsPostModificationRecordedInvestment239.6100.092.70.0100.00.00.00.0100.016.10.00.094.6

us-gaap:CommercialRealEstatePortfolioSegment, clbk:SingleFamilyRealEstateLoan


Financing
Period End2021-06-302019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-31
Value0.3220.00.00.00.00.3390.00.380.5880.00.00.4610.0830.257
Percentage of FinancingReceivableModificationsPostModificationRecordedInvestment260.40.00.00.00.083.90.0100.087.50.00.092.2100.070.4

us-gaap:FinancingReceivableModificationsPreModificationRecordedInvestment2

us-gaap:FinancingReceivableModificationsPreModificationRecordedInvestment2


Financing
Period End2021-06-302020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-31
Value0.4130.635170.0100.00.00.04.0950.4040.00.3780.6720.04.1920.50.0830.365
Percentage of FinancingReceivableModificationsPreModificationRecordedInvestment2100.0100.0100.00.0100.00.00.00.0100.0100.00.0100.0100.00.0100.0100.0100.0100.0

us-gaap:FinancingReceivableModificationsPreModificationRecordedInvestment2 us-gaap:FinancingReceivablePortfolioSegment

us-gaap:CommercialPortfolioSegment


Financing
Period End2020-12-312020-09-302019-12-31
Value0.01.2950.0
Percentage of FinancingReceivableModificationsPreModificationRecordedInvestment20.07.30.0

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

us-gaap:CommercialRealEstatePortfolioSegment, clbk:MultifamilyAndCommercialRealEstateLoan


Financing
Period End2021-06-302020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302017-12-312017-09-30
Value0.1920.635160.010-4.0950.00.04.0950.0650.0-3.9643.964
Percentage of FinancingReceivableModificationsPreModificationRecordedInvestment246.5100.092.70.0100.00.00.00.0100.016.10.00.094.6

us-gaap:CommercialRealEstatePortfolioSegment, clbk:SingleFamilyRealEstateLoan


Financing
Period End2021-06-302019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-31
Value0.2210.00.00.00.00.3390.00.3780.5880.00.00.4610.0830.257
Percentage of FinancingReceivableModificationsPreModificationRecordedInvestment253.50.00.00.00.083.90.0100.087.50.00.092.2100.070.4

us-gaap:GainLossOnSaleOfLoansAndLeases

us-gaap:GainLossOnSaleOfLoansAndLeases


Gain
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302016-12-31
Value350000.0795000.0754000.075000.0382000.0196000.0132000.0603000.0015000.000-959000.0409000.0
Percentage of GainLossOnSaleOfLoansAndLeases100.0100.0100.0100.0100.0100.0100.0100.00.0100.00.00.0100.0100.0

us-gaap:GainLossOnSaleOfNotesReceivable

us-gaap:GainLossOnSaleOfNotesReceivable


Gain
Period End2021-06-302021-03-312020-06-302020-03-31
Value7980000.0435000.0795000.0754000.0
Percentage of GainLossOnSaleOfNotesReceivable100.0100.0100.0100.0

us-gaap:GainLossOnSaleOfPropertyPlantEquipment

us-gaap:GainLossOnSaleOfPropertyPlantEquipment


Gain
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value-54000.0-7000.0-43000.00-21000.0-670000.0005000.013000.0-13000.000-234000.039000.0209000.0
Percentage of GainLossOnSaleOfPropertyPlantEquipment100.0100.0100.00.0100.0100.00.00.0100.0100.0100.00.00.0100.0100.0100.0

us-gaap:GainLossOnSalesOfLoansNet

us-gaap:GainLossOnSalesOfLoansNet


Gain
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-31
Value8.5242.15-2.6551.8730.7950.754-0.4050.3820.1960.1320.6030.00.0150.00.0-0.9590.0690.1020.409
Percentage of GainLossOnSalesOfLoansNet100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.00.00.0100.0100.0100.0100.0

us-gaap:GainLossOnSecuritizationOfFinancialAssets

us-gaap:GainLossOnSecuritizationOfFinancialAssets


Gain
Period End2021-06-302021-03-312020-12-31
Value544000.01715000.02021000.0
Percentage of GainLossOnSecuritizationOfFinancialAssets100.0100.0100.0

us-gaap:ImpairedFinancingReceivableAverageRecordedInvestment

us-gaap:ImpairedFinancingReceivableAverageRecordedInvestment


Impaired
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-31
Value43443831252222211919212526252729
Percentage of ImpairedFinancingReceivableAverageRecordedInvestment100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ImpairedFinancingReceivableAverageRecordedInvestment us-gaap:FinancingReceivablePortfolioSegment

us-gaap:CommercialPortfolioSegment


Impaired
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-31
Value2.2952.9574.9795.8715.8147.4616.6165.4093.0983.183.8363.873.5083.2373.7973.861
Percentage of ImpairedFinancingReceivableAverageRecordedInvestment5.36.712.918.622.933.429.725.215.616.018.215.113.312.513.713.3

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

us-gaap:CommercialRealEstatePortfolioSegment, clbk:MultifamilyAndCommercialRealEstateLoan


Impaired
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-31
Value333223148.782.6372.6662.6832.7172.7183.1364.0875.0843.2953.8254.879
Percentage of ImpairedFinancingReceivableAverageRecordedInvestment76.973.961.247.434.611.812.012.513.713.714.916.019.312.713.816.8

us-gaap:CommercialRealEstatePortfolioSegment, clbk:SingleFamilyRealEstateLoan


Impaired
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-31
Value6.1496.9448.028.6478.6888.7738.6118.8071010111414151616
Percentage of ImpairedFinancingReceivableAverageRecordedInvestment14.215.720.927.434.239.338.641.153.453.953.454.853.858.657.856.4

us-gaap:ConsumerPortfolioSegment, us-gaap:HomeEquityLoan


Impaired
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-31
Value1.5231.6111.9352.0622.132.6292.6992.8473.4473.262.8373.6183.564.2214.1223.952
Percentage of ImpairedFinancingReceivableAverageRecordedInvestment3.53.65.06.58.411.812.113.317.316.413.514.113.516.314.813.6

us-gaap:ImpairedFinancingReceivableInterestIncomeAccrualMethod

us-gaap:ImpairedFinancingReceivableInterestIncomeAccrualMethod


Impaired
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-31
Value536000.0550000.0552000.0381000.0299000.0367000.0362000.0261000.0290000.0300000.0693000.0200000.0197000.0190000.0230000.0226000.0298000.0217000.0271000.0
Percentage of ImpairedFinancingReceivableInterestIncomeAccrualMethod100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ImpairedFinancingReceivableInterestIncomeAccrualMethod us-gaap:FinancingReceivablePortfolioSegment

us-gaap:CommercialPortfolioSegment


Impaired
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-31
Value41000.029000.020000.052000.0157000.072000.0211000.088000.098000.080000.093000.024000.025000.026000.046000.031000.028000.026000.049000.0
Percentage of ImpairedFinancingReceivableInterestIncomeAccrualMethod7.65.33.613.652.519.658.333.733.826.713.412.012.713.720.013.79.412.018.1

us-gaap:ImpairedFinancingReceivableInterestIncomeAccrualMethod us-gaap:FinancingReceivablePortfolioSegment, us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable

us-gaap:CommercialRealEstatePortfolioSegment, clbk:MultifamilyAndCommercialRealEstateLoan


Impaired
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-31
Value375000.0425000.0438000.0227000.032000.0166000.036000.037000.037000.037000.0126000.030000.030000.026000.039000.039000.041000.014000.070000.0
Percentage of ImpairedFinancingReceivableInterestIncomeAccrualMethod70.077.379.359.610.745.29.914.212.812.318.215.015.213.717.017.313.86.525.8

us-gaap:CommercialRealEstatePortfolioSegment, clbk:SingleFamilyRealEstateLoan


Impaired
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-31
Value102000.074000.079000.074000.081000.099000.094000.0101000.0108000.0106000.0340000.0107000.0103000.0102000.0110000.0113000.0169000.0142000.0118000.0
Percentage of ImpairedFinancingReceivableInterestIncomeAccrualMethod19.013.514.319.427.127.026.038.737.235.349.153.552.353.747.850.056.765.443.5

us-gaap:ConsumerPortfolioSegment, us-gaap:HomeEquityLoan


Impaired
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-31
Value18000.022000.015000.028000.029000.030000.021000.035000.047000.052000.0134000.039000.039000.036000.035000.043000.060000.035000.034000.0
Percentage of ImpairedFinancingReceivableInterestIncomeAccrualMethod3.44.02.77.39.78.25.813.416.217.319.319.519.818.915.219.020.116.112.5

us-gaap:IncreaseDecreaseInAccruedInterestReceivableNet

us-gaap:IncreaseDecreaseInAccruedInterestReceivableNet


Increase
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-31
Value-374000.0-786000.0-1796000.02838000.04965000.0678000.0430000.0-887000.0218000.01198000.0300000.01527000.0453000.0699000.01228000.0288000.0380000.0-39000.0902000.0
Percentage of IncreaseDecreaseInAccruedInterestReceivableNet100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:IncreaseDecreaseInAccruedLiabilitiesAndOtherOperatingLiabilities

us-gaap:IncreaseDecreaseInAccruedLiabilitiesAndOtherOperatingLiabilities


Increase
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-31
Value-117.039117-0.796-2.82-9.42245-33.3352316-3.5534.4750.3392.2680.8983.905-1.6441.425-1.2770.839
Percentage of IncreaseDecreaseInAccruedLiabilitiesAndOtherOperatingLiabilities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:IncreaseDecreaseInAdvancePaymentsByBorrowersForTaxesAndInsurance

us-gaap:IncreaseDecreaseInAdvancePaymentsByBorrowersForTaxesAndInsurance


Increase
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-31
Value3053000.0532000.0-1684000.0-2452000.0-1044000.01261000.0608000.0124000.01662000.0727000.0-702000.01737000.02473000.02959000.0-1555000.0-657000.01709000.02127000.0-5235000.0
Percentage of IncreaseDecreaseInAdvancePaymentsByBorrowersForTaxesAndInsurance100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:IncreaseDecreaseInDeferredCompensation

us-gaap:IncreaseDecreaseInDeferredCompensation


Increase
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-31
Value-217000.0-32000.069000.047000.0-215000.039000.0110000.053000.0-128000.030000.0-620000.00000
Percentage of IncreaseDecreaseInDeferredCompensation100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.00.00.00.0

us-gaap:IncreaseDecreaseInDeposits

us-gaap:IncreaseDecreaseInDeposits


Increase
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-31
Value822171484847512679114621924177-1100.4211131139120448648
Percentage of IncreaseDecreaseInDeposits100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:IncreaseDecreaseInEquitySecuritiesFvNi

us-gaap:IncreaseDecreaseInEquitySecuritiesFvNi


Increase
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-31
Value-778000.0-588000.0712000.0-4000.0643000.0-584000.0116000.0-59000.071000.0176000.000000
Percentage of IncreaseDecreaseInEquitySecuritiesFvNi100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.00.00.00.00.0

us-gaap:IncreaseDecreaseInOtherOperatingAssets

us-gaap:IncreaseDecreaseInOtherOperatingAssets


Increase
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-31
Value6.445-29.6-4.983-0.542-1.87827.8199.71540-6.197-2.748-3.673124.59411132.201-0.31613
Percentage of IncreaseDecreaseInOtherOperatingAssets100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:InformationTechnologyAndDataProcessing

us-gaap:InformationTechnologyAndDataProcessing


Information
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-31
Value2612000.02771000.0922000.0839000.0816000.0765000.01036000.0658000.0669000.0638000.0656000.0630000.0672000.0642000.0595000.0570000.0577000.0568000.0531000.0
Percentage of InformationTechnologyAndDataProcessing100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:InterestAndDividendIncomeOperating

us-gaap:InterestAndDividendIncomeOperating


Interest
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-31
Value6767727275747164626261575551494746454443424141
Percentage of InterestAndDividendIncomeOperating100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:InterestAndDividendIncomeSecuritiesHeldToMaturity

us-gaap:InterestAndDividendIncomeSecuritiesHeldToMaturity


Interest
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-31
Value2151000.01752000.02218000.01749000.01993000.02065000.02090000.02068000.02115000.01907000.01894000.01798000.02991000.0464000.0381000.068000.0000
Percentage of InterestAndDividendIncomeSecuritiesHeldToMaturity100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.00.00.0

us-gaap:InterestExpenseBorrowings

us-gaap:InterestExpenseBorrowings


Interest
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-31
Value1.9462.0223.1483.7834.8057.1567.0316.6676.6396.8246.5996.6924.814.6334.6094.9494.8294.5794.508
Percentage of InterestExpenseBorrowings100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:InterestExpenseDeposits

us-gaap:InterestExpenseDeposits


Interest
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-31
Value7.8558.875101214161616151311109.1948.0997.6326.9116.3826.0726.216
Percentage of InterestExpenseDeposits100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:InterestIncomeDebtSecuritiesAvailableForSaleOperating

us-gaap:InterestIncomeDebtSecuritiesAvailableForSaleOperating


Interest
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-31
Value7.5216.3786.7227.0347.2927.3287.6437.7367.97.6597.3516.6514.9226.4155.074
Percentage of InterestIncomeDebtSecuritiesAvailableForSaleOperating100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:InterestIncomeExpenseAfterProvisionForLoanLoss

us-gaap:InterestIncomeExpenseAfterProvisionForLoanLoss


Interest
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-31
Value5958585350414440404142393837333035343331313030
Percentage of InterestIncomeExpenseAfterProvisionForLoanLoss100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:InterestIncomeFederalFundsSold

us-gaap:InterestIncomeFederalFundsSold


Interest
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-31
Value39000.0104000.0126000.071000.027000.0189000.0189000.0182000.0134000.089000.059000.044000.0584000.0488000.0103000.0185000.066000.023000.034000.0
Percentage of InterestIncomeFederalFundsSold100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:LaborAndRelatedExpense

us-gaap:LaborAndRelatedExpense


Labor
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-31
Value23232426252422212019191616161516151515
Percentage of LaborAndRelatedExpense100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:LeaseCost

us-gaap:LeaseCost


Lease
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-31
Value563000.0681000.0500000.0603000.0601000.0694000.0
Percentage of LeaseCost100.0100.0100.0100.0100.0100.0

us-gaap:MarketableSecuritiesGainLossExcludingOtherThanTemporaryImpairments

us-gaap:MarketableSecuritiesGainLossExcludingOtherThanTemporaryImpairments


Marketable
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-31
Value000370000.0891000.01256000.0339000.0126000.0000116000.0-60000.0-2099000.000411000.0
Percentage of MarketableSecuritiesGainLossExcludingOtherThanTemporaryImpairments0.00.00.0100.0100.0100.0100.0100.00.00.00.0100.0100.0100.00.00.0100.0

us-gaap:MortgageServicingRightsMSRImpairmentRecovery

us-gaap:MortgageServicingRightsMSRImpairmentRecovery


Mortgage
Period End2020-12-312020-09-302020-06-302020-03-312019-06-302019-03-31
Value041000.0034000.000
Percentage of MortgageServicingRightsMSRImpairmentRecovery0.0100.00.0100.00.00.0

us-gaap:NoncashOrPartNoncashAcquisitionNetNonmonetaryAssetsAcquiredLiabilitiesAssumed1

us-gaap:NoncashOrPartNoncashAcquisitionNetNonmonetaryAssetsAcquiredLiabilitiesAssumed1


Noncash
Period End2020-12-312020-09-302017-12-31
Value5141000.000
Percentage of NoncashOrPartNoncashAcquisitionNetNonmonetaryAssetsAcquiredLiabilitiesAssumed1100.00.00.0

us-gaap:NoncashOrPartNoncashAcquisitionOtherAssetsAcquired1

us-gaap:NoncashOrPartNoncashAcquisitionOtherAssetsAcquired1


Noncash
Period End2020-12-312020-09-302017-12-31
Value-1334000.000
Percentage of NoncashOrPartNoncashAcquisitionOtherAssetsAcquired1100.00.00.0

us-gaap:NoncashOrPartNoncashAcquisitionValueOfAssetsAcquired1

us-gaap:NoncashOrPartNoncashAcquisitionValueOfAssetsAcquired1


Noncash
Period End2020-12-312020-09-302017-12-31
Value5.1410.00.0
Percentage of NoncashOrPartNoncashAcquisitionValueOfAssetsAcquired1100.00.00.0

us-gaap:NoninterestExpense

us-gaap:NoninterestExpense


Noninterest
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-31
Value3737404137383631312931266125253024242423232223
Percentage of NoninterestExpense100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:NoninterestIncome

us-gaap:NoninterestIncome


Noninterest
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-31
Value148.5959.9627.9097.0086.3918.709106.7756.0376.4055.295.414.4854.6741.634.7685.7585.5074.7024.5254.7384.537
Percentage of NoninterestIncome100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:NoninterestIncomeOtherOperatingIncome

us-gaap:NoninterestIncomeOtherOperatingIncome


Noninterest
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-31
Value2354000.02450000.01966000.01939000.01902000.01176000.02027000.01258000.01174000.01463000.01345000.01208000.01233000.01134000.01125000.01189000.01198000.01373000.0960000.0
Percentage of NoninterestIncomeOtherOperatingIncome100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OccupancyNet

us-gaap:OccupancyNet


Occupancy
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-31
Value4.8145.2524.8514.8234.7014.7954.5523.9733.8243.8313.7843.5293.5183.7163.3863.383.4653.4313.222
Percentage of OccupancyNet100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OciBeforeReclassificationsBeforeTaxAttributableToParent us-gaap:StatementEquityComponents

us-gaap:OciBeforeReclassificationsBeforeTaxAttributableToParent

us-gaap:AccumulatedDefinedBenefitPlansAdjustment


Oci
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-30
Value343.0523-41.4342.17-1.595-9.7911.887-5.61
Percentage of OciBeforeReclassificationsBeforeTaxAttributableToParent100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:AccumulatedGainLossNetCashFlowHedgeParent


Oci
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-30
Value1.3155.8322.4452.256-0.945-14.362.866-1.619-5.92
Percentage of OciBeforeReclassificationsBeforeTaxAttributableToParent3.8191.210.4-5.4-43.5900.3-29.3-85.8105.5

us-gaap:AccumulatedNetUnrealizedInvestmentGainLoss


Oci
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-30
Value6.645-19.84-1.86-3.6888.04124-9.186.18617
Percentage of OciBeforeReclassificationsBeforeTaxAttributableToParent19.3-650.5-7.98.9370.6-1528.793.8327.8-317.8

us-gaap:OciBeforeReclassificationsNetOfTaxAttributableToParent us-gaap:StatementEquityComponents

us-gaap:OciBeforeReclassificationsNetOfTaxAttributableToParent

us-gaap:AccumulatedDefinedBenefitPlansAdjustment


Oci
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-30
Value249.55418-32.7331.714-1.26-7.7351.49-4.431
Percentage of OciBeforeReclassificationsNetOfTaxAttributableToParent100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:AccumulatedGainLossNetCashFlowHedgeParent


Oci
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-30
Value0.9485.6831.9321.785-0.75-11.3492.267-1.279-4.676
Percentage of OciBeforeReclassificationsNetOfTaxAttributableToParent3.859.510.4-5.5-43.8900.7-29.3-85.8105.5

us-gaap:AccumulatedNetUnrealizedInvestmentGainLoss


Oci
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-30
Value4.788-17.034-1.469-2.9136.35219-7.2354.91514
Percentage of OciBeforeReclassificationsNetOfTaxAttributableToParent19.3-178.3-7.98.9370.6-1529.193.5329.9-318.0

us-gaap:OperatingLeaseRightOfUseAssetAmortizationExpense

us-gaap:OperatingLeaseRightOfUseAssetAmortizationExpense


Operating
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-31
Value907000.0904000.001201000.0511000.0929000.0
Percentage of OperatingLeaseRightOfUseAssetAmortizationExpense100.0100.00.0100.0100.0100.0

us-gaap:OtherComprehensiveIncomeDefinedBenefitPlansAdjustmentNetOfTaxPortionAttributableToParent

us-gaap:OtherComprehensiveIncomeDefinedBenefitPlansAdjustmentNetOfTaxPortionAttributableToParent


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-31
Value-23.718-8.455-17.71633-0.858-0.8578.48-0.7445.1730.0-1.6241.908-2.3230.41316-14.857-0.070.148-0.139
Percentage of OtherComprehensiveIncomeDefinedBenefitPlansAdjustmentNetOfTaxPortionAttributableToParent100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OtherComprehensiveIncomeLossAmortizationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetPriorServiceCostCreditNetOfTax

us-gaap:OtherComprehensiveIncomeLossAmortizationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetPriorServiceCostCreditNetOfTax


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-31
Value-11000.0-10000.0-12000.0-11000.0-11000.033000.0-11000.0-11000.0-11000.0-25000.0-589000.000-43000.0-43000.000-18000.0-18000.0
Percentage of OtherComprehensiveIncomeLossAmortizationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetPriorServiceCostCreditNetOfTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.00.0100.0100.00.00.0100.0100.0

us-gaap:OtherComprehensiveIncomeLossBeforeReclassificationsTax us-gaap:StatementEquityComponents

us-gaap:OtherComprehensiveIncomeLossBeforeReclassificationsTax

us-gaap:AccumulatedDefinedBenefitPlansAdjustment


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312017-12-31
Value9623000.0-6504000.04937000.0-8701000.0456000.0-335000.0-2056000.0397000.0-1179000.0-27000.0-3354000.0
Percentage of OtherComprehensiveIncomeLossBeforeReclassificationsTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:AccumulatedGainLossNetCashFlowHedgeParent


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value367000.0149000.0513000.0471000.0-195000.0-3011000.0599000.0-340000.0-1244000.0-740000.0
Percentage of OtherComprehensiveIncomeLossBeforeReclassificationsTax3.8-2.310.4-5.4-42.8898.8-29.1-85.6105.52740.7

us-gaap:AccumulatedNetUnrealizedInvestmentGainLoss


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312017-12-31
Value1857000.0-2806000.0-391000.0-775000.01689000.05116000.0-1945000.01271000.03737000.02471000.0119000.0
Percentage of OtherComprehensiveIncomeLossBeforeReclassificationsTax19.343.1-7.98.9370.4-1527.294.6320.2-317.0-9151.9-3.5

us-gaap:OtherComprehensiveIncomeLossBeforeTaxPortionAttributableToParent

us-gaap:OtherComprehensiveIncomeLossBeforeTaxPortionAttributableToParent


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-31
Value40-12.48723-43.9558.17911-16.166.7685.6978.38513-4.437-5.246-11.112-11.819272.6320.66-23.214
Percentage of OtherComprehensiveIncomeLossBeforeTaxPortionAttributableToParent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OtherComprehensiveIncomeLossBeforeTaxPortionAttributableToParent us-gaap:StatementEquityComponents

us-gaap:AccumulatedDefinedBenefitPlansAdjustment


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-30
Value321.52522-42.5191.0851.085-10.7350.943-6.549
Percentage of OtherComprehensiveIncomeLossBeforeTaxPortionAttributableToParent81.1-12.296.896.713.39.466.413.9-115.0

us-gaap:AccumulatedNetUnrealizedInvestmentGainLoss


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-30
Value6.347-19.844-1.701-3.6928.03924-8.2917.44418
Percentage of OtherComprehensiveIncomeLossBeforeTaxPortionAttributableToParent15.6158.9-7.38.498.3215.651.3110.0318.9

us-gaap:OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationAndTaxParent

us-gaap:OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationAndTaxParent


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value948000.05683000.01932000.01785000.0-750000.0-11349000.02267000.0-1279000.0-4676000.0-2780000.0
Percentage of OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationAndTaxParent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent

us-gaap:OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-31
Value29-2.88218-34.7226.4589.07-12.7635.3474.5016.6259.873-6.034-0.376-9.949-19.23171.7720.252-14.804
Percentage of OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent us-gaap:StatementEquityComponents

us-gaap:AccumulatedDefinedBenefitPlansAdjustment


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value238.45517-33.590.8580.857-8.480.744-5.1730.01.623-1.9082.323-0.413
Percentage of OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent81.1-293.496.896.713.39.466.413.9-114.90.016.431.6-617.84.2

us-gaap:AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedges


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value0.9485.6831.9321.785-0.75-11.3492.267-1.279-4.676-2.78-3.9761.240.1640.342
Percentage of OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent3.2-197.210.6-5.1-11.6-125.1-17.8-23.9-103.9-42.0-40.3-20.6-43.6-3.4

us-gaap:AccumulatedNetUnrealizedInvestmentGainLoss


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value4.574-17.02-1.344-2.9176.3519-6.555.882149.40512-5.366-2.863-9.878
Percentage of OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent15.6590.6-7.38.498.3215.751.3110.0318.8142.0123.888.9761.499.3

us-gaap:AccumulatedOtherComprehensiveIncome


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-12-31
Value29-2.88218-34.7226.4589.07-12.7635.3474.5016.6259.873-6.034-0.376-9.949171.7720.252-14.804
Percentage of OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentBeforeReclassificationAdjustmentsNetOfTax

us-gaap:OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentBeforeReclassificationAdjustmentsNetOfTax


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-31
Value-24.818-9.554-18.57332-1.7141.267.735-1.494.4310.105-0.7361.908-2.3230.26816-14.832-0.0720.135-0.152
Percentage of OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentBeforeReclassificationAdjustmentsNetOfTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesNetOfTax

us-gaap:OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesNetOfTax


Other
Period End2021-06-302020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-31
Value202000.0000-289000.0-686000.0-965000.0-260000.0-100000.0182000.0-3000.00-88000.047000.0000-264000.0
Percentage of OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesNetOfTax100.00.00.00.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.00.00.00.0100.0

us-gaap:OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetGainLossNetOfTax

us-gaap:OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetGainLossNetOfTax


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-31
Value1089000.01089000.0845000.0846000.0845000.0-2084000.0734000.0735000.0731000.0-130000.0-1477000.000102000.0103000.0-25000.02000.0-5000.0-5000.0
Percentage of OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetGainLossNetOfTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.00.0100.0100.0100.0100.0100.0100.0

us-gaap:OtherComprehensiveIncomeLossTax

us-gaap:OtherComprehensiveIncomeLossTax


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312017-12-31
Value11-9.6054.865-9.2331.7212.416-3.3971.4211.1961.767.411
Percentage of OtherComprehensiveIncomeLossTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OtherComprehensiveIncomeLossTax us-gaap:StatementEquityComponents

us-gaap:AccumulatedDefinedBenefitPlansAdjustment


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312017-12-31
Value9.198-6.934.709-8.9290.2270.228-2.2550.199-1.3760.07.193
Percentage of OtherComprehensiveIncomeLossTax81.172.196.896.713.29.466.414.0-115.10.097.1

us-gaap:AccumulatedNetUnrealizedInvestmentGainLoss


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312017-12-31
Value1.773-2.824-0.357-0.7751.6895.199-1.7411.5623.8162.50.188
Percentage of OtherComprehensiveIncomeLossTax15.629.4-7.38.498.1215.251.3109.9319.1142.02.5

us-gaap:OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax

us-gaap:OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-31
Value4.788-17.034-1.469-2.9136.35219-7.2354.915149.29512-5.358-2.86-9.985-3.0393.2661.7390.394-15.207
Percentage of OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OtherComprehensiveLossHeldToMaturitySecurityAdjustmentFromAociForAccretionOfNoncreditPortionOfOttiAfterTax

us-gaap:OtherComprehensiveLossHeldToMaturitySecurityAdjustmentFromAociForAccretionOfNoncreditPortionOfOttiAfterTax


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-31
Value-12000.014000.0125000.0-4000.0-2000.06000.0-1000.02000.0-2000.010000.0-1000.0-11000.0-3000.019000.0-58000.0-258000.0000
Percentage of OtherComprehensiveLossHeldToMaturitySecurityAdjustmentFromAociForAccretionOfNoncreditPortionOfOttiAfterTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.00.00.0

us-gaap:OtherNoninterestExpense

us-gaap:OtherNoninterestExpense


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-31
Value3.6272.646.7435.8484.124.7883.8422.2173.262.454.6333.933.8573.5863.6593.7493.4133.6023.827
Percentage of OtherNoninterestExpense100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OtherNoninterestExpense us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncome, us-gaap:StatementEquityComponents

us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncome, us-gaap:AccumulatedDefinedBenefitPlansAdjustment


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-31
Value-1.511-1.511-1.071-1.071-1.0712.638-0.93-0.93-0.9250.1641.8620.00.0-0.008-0.009
Percentage of OtherNoninterestExpense-41.7-57.2-15.9-18.3-26.055.1-24.2-41.9-28.46.740.20.00.0-0.2-0.2

us-gaap:PaymentsToAcquireAvailableForSaleSecuritiesDebt

us-gaap:PaymentsToAcquireAvailableForSaleSecuritiesDebt


Payments
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-31
Value20720891906050326215655282103174163
Percentage of PaymentsToAcquireAvailableForSaleSecuritiesDebt100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:PaymentsToAcquireFederalHomeLoanBankStock

us-gaap:PaymentsToAcquireFederalHomeLoanBankStock


Payments
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-31
Value0.00.633.991173313171417222812153.2136.6271410
Percentage of PaymentsToAcquireFederalHomeLoanBankStock0.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:PaymentsToAcquireHeldToMaturitySecurities

us-gaap:PaymentsToAcquireHeldToMaturitySecurities


Payments
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-31
Value171427.8155.00.00.04.9551719280.0113.25516108300.00.00.0
Percentage of PaymentsToAcquireHeldToMaturitySecurities100.0100.0100.0100.00.00.0100.0100.0100.0100.00.0100.0100.0100.0100.0100.00.00.00.0

us-gaap:PaymentsToAcquireLoansHeldForInvestment

us-gaap:PaymentsToAcquireLoansHeldForInvestment


Payments
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-31
Value7.789117-213.542-115.287287122206128123458419817577414716379177
Percentage of PaymentsToAcquireLoansHeldForInvestment100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ProceedsFromLifeInsurancePolicies

us-gaap:ProceedsFromLifeInsurancePolicies


Proceeds
Period End2021-06-302021-03-312019-12-312019-09-302018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value1000.04000.001015000.0430000.00811000.0000
Percentage of ProceedsFromLifeInsurancePolicies100.0100.00.0100.0100.00.0100.00.00.00.0

us-gaap:ProceedsFromMaturitiesPrepaymentsAndCallsOfAvailableForSaleSecurities

us-gaap:ProceedsFromMaturitiesPrepaymentsAndCallsOfAvailableForSaleSecurities


Proceeds
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-31
Value7594856758366138232520198.246217.00915191617
Percentage of ProceedsFromMaturitiesPrepaymentsAndCallsOfAvailableForSaleSecurities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ProceedsFromMaturitiesPrepaymentsAndCallsOfHeldToMaturitySecurities

us-gaap:ProceedsFromMaturitiesPrepaymentsAndCallsOfHeldToMaturitySecurities


Proceeds
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312017-12-31
Value6.50214176.01712128.165287.0392.9250.0
Percentage of ProceedsFromMaturitiesPrepaymentsAndCallsOfHeldToMaturitySecurities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0

us-gaap:ProceedsFromSaleAndMaturityOfAvailableForSaleSecurities

us-gaap:ProceedsFromSaleAndMaturityOfAvailableForSaleSecurities


Proceeds
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-06-302019-03-312018-12-312018-09-302018-03-312017-12-31
Value0.00.215.10.7975.10.6350.00.7972.40.09.70.0
Percentage of ProceedsFromSaleAndMaturityOfAvailableForSaleSecurities0.0100.0100.0100.0100.0100.00.0100.0100.00.0100.00.0

us-gaap:ProceedsFromSaleAndMaturityOfHeldToMaturitySecurities

us-gaap:ProceedsFromSaleAndMaturityOfHeldToMaturitySecurities


Proceeds
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-09-302017-12-31
Value0.1255.00.0202010.05.0235.00.00.00.0
Percentage of ProceedsFromSaleAndMaturityOfHeldToMaturitySecurities100.0100.00.0100.0100.0100.0100.0100.0100.00.00.00.0

us-gaap:ProceedsFromSaleOfAvailableForSaleSecuritiesDebt

us-gaap:ProceedsFromSaleOfAvailableForSaleSecuritiesDebt


Proceeds
Period End2021-06-302020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-31
Value4.70.00.00.0203316150.0110.00.00.00.092
Percentage of ProceedsFromSaleOfAvailableForSaleSecuritiesDebt100.00.00.00.0100.0100.0100.0100.00.0100.00.00.00.0100.0

us-gaap:ProceedsFromSaleOfFederalHomeLoanBankStock

us-gaap:ProceedsFromSaleOfFederalHomeLoanBankStock


Proceeds
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-31
Value4.1513.4799.6575.057161925151319151112276.4767.3683.501137.758
Percentage of ProceedsFromSaleOfFederalHomeLoanBankStock100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ProceedsFromSaleOfLoansHeldForInvestment us-gaap:FinancingReceivablePortfolioSegment

us-gaap:ProceedsFromSaleOfLoansHeldForInvestment

us-gaap:CommercialPortfolioSegment


Proceeds
Period End2020-12-312020-09-302020-06-302020-03-31
Value0.00.2740.5796.7
Percentage of ProceedsFromSaleOfLoansHeldForInvestment0.0100.0100.0100.0

us-gaap:ProceedsFromSaleOfLoansHeldForInvestment us-gaap:FinancingReceivablePortfolioSegment, us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable

us-gaap:CommercialRealEstatePortfolioSegment, clbk:SingleFamilyRealEstateLoan


Proceeds
Period End2020-12-312020-09-30
Value6.30.0
Percentage of ProceedsFromSaleOfLoansHeldForInvestment0.00.0

us-gaap:CommercialRealEstatePortfolioSegment, us-gaap:ConstructionLoans


Proceeds
Period End2020-12-312020-09-302020-06-30
Value0.55.86.7
Percentage of ProceedsFromSaleOfLoansHeldForInvestment0.02116.81157.2

us-gaap:ProceedsFromSaleOfLoansHeldForSale

us-gaap:ProceedsFromSaleOfLoansHeldForSale


Proceeds
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-31
Value259150.07.77252517.11249368.0813.6150.00.00.00.0
Percentage of ProceedsFromSaleOfLoansHeldForSale100.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.00.00.00.00.0

us-gaap:ProceedsFromSaleOfLoansHeldForSale us-gaap:FinancingReceivablePortfolioSegment

us-gaap:CommercialPortfolioSegment


Proceeds
Period End2021-06-302021-03-31
Value2444.2
Percentage of ProceedsFromSaleOfLoansHeldForSale94.426.5

us-gaap:ProceedsFromSaleOfLoansHeldForSale us-gaap:FinancingReceivablePortfolioSegment, us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable

us-gaap:CommercialRealEstatePortfolioSegment, clbk:MultifamilyAndCommercialRealEstateLoan


Proceeds
Period End2021-06-302021-03-31
Value0.04.1
Percentage of ProceedsFromSaleOfLoansHeldForSale0.025.9

us-gaap:CommercialRealEstatePortfolioSegment, clbk:SingleFamilyRealEstateLoan


Proceeds
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value141.20.07.852513.349278.1
Percentage of ProceedsFromSaleOfLoansHeldForSale5.67.60.0100.4100.1100.046.498.574.8100.2

us-gaap:CommercialRealEstatePortfolioSegment, us-gaap:ConstructionLoans


Proceeds
Period End2021-06-302021-03-31
Value0.0316.4
Percentage of ProceedsFromSaleOfLoansHeldForSale0.040.5

us-gaap:ProceedsFromSaleOfLoansReceivable

us-gaap:ProceedsFromSaleOfLoansReceivable


Proceeds
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302016-12-31
Value6.696.0477.321151.3987.79-6.8289.311283.73.70.00.0463127
Percentage of ProceedsFromSaleOfLoansReceivable100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.00.0100.0100.0100.0

us-gaap:ProceedsFromSaleOfLoansReceivable us-gaap:CounterpartyName

clbk:FreddieMac


Proceeds
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-31
Value356468480.00.00.00.0156.10.00.00.00.00.0
Percentage of ProceedsFromSaleOfLoansReceivable0.00.01028.4802.10.00.00.00.0-228.565.50.00.00.00.00.0

us-gaap:ProfessionalFees

us-gaap:ProfessionalFees


Professional
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-31
Value1651000.01790000.01681000.01680000.01083000.01366000.01694000.01541000.01431000.01247000.0478000.0341000.0399000.0214000.0398000.0577000.0379000.0180000.0219000.0
Percentage of ProfessionalFees100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ProvisionForLoanAndLeaseLosses

us-gaap:ProvisionForLoanAndLeaseLosses


Provision
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-31
Value2.5165.7369.5682.5191.1570.1120.4360.7771.52.42.03.45.6760.3750.3750.0
Percentage of ProvisionForLoanAndLeaseLosses100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0

us-gaap:ProvisionForLoanAndLeaseLosses us-gaap:FinancingReceivablePortfolioSegment

us-gaap:CommercialPortfolioSegment


Provision
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-31
Value-0.5733.9111.3474.7652.040.441-1.9963.9581.1180.0872.697-0.3732.338-0.3760.5790.641
Percentage of ProvisionForLoanAndLeaseLosses-22.868.214.1189.2176.3393.8-457.8509.474.53.6134.8-11.041.2-100.3154.40.0

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

us-gaap:CommercialRealEstatePortfolioSegment, clbk:MultifamilyAndCommercialRealEstateLoan


Provision
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-31
Value3.6591.2433.0960.1040.291.693-2.265-0.5170.9653.705-0.7071.9060.7430.4850.1890.226
Percentage of ProvisionForLoanAndLeaseLosses145.421.732.44.125.11511.6-519.5-66.564.3154.4-35.456.113.1129.350.40.0

us-gaap:CommercialRealEstatePortfolioSegment, clbk:SingleFamilyRealEstateLoan


Provision
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-31
Value-0.758-0.0513.101-1.6440.347-1.2542.122-2.141-0.809-0.324-1.2291.4730.6310.0480.38-0.027
Percentage of ProvisionForLoanAndLeaseLosses-30.1-0.932.4-65.330.0-1119.6486.7-275.5-53.9-13.5-61.543.311.112.8101.30.0

us-gaap:CommercialRealEstatePortfolioSegment, us-gaap:ConstructionLoans


Provision
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-31
Value0.3170.8171.964-0.325-1.047-0.2281.8160.0690.420.1541.354-0.0820.7010.345-0.345-1.362
Percentage of ProvisionForLoanAndLeaseLosses12.614.220.5-12.9-90.5-203.6416.58.928.06.467.7-2.412.492.0-92.00.0

us-gaap:ConsumerPortfolioSegment, us-gaap:HomeEquityLoan


Provision
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-31
Value-0.129-0.1830.059-0.383-0.474-0.5420.761-0.3420.202-1.153-0.6570.3891.251-0.17-0.0390.177
Percentage of ProvisionForLoanAndLeaseLosses-5.1-3.20.6-15.2-41.0-483.9174.5-44.013.5-48.0-32.911.422.0-45.3-10.40.0

us-gaap:ProvisionForLoanLossesExpensed

us-gaap:ProvisionForLoanLossesExpensed


Provision
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value-1.761-1.280.6272.5165.7369.5682.5191.1570.1120.4360.7771.52.42.0
Percentage of ProvisionForLoanLossesExpensed100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ProvisionForLoanLossesExpensed us-gaap:FinancingReceivablePortfolioSegment

us-gaap:CommercialPortfolioSegment


Provision
Period End2021-06-302021-03-312020-06-302020-03-31
Value1.6-1.5093.9111.347
Percentage of ProvisionForLoanLossesExpensed-90.9117.968.214.1

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

us-gaap:CommercialRealEstatePortfolioSegment, clbk:MultifamilyAndCommercialRealEstateLoan


Provision
Period End2021-06-302021-03-312020-06-302020-03-31
Value1.872-6.6721.2433.096
Percentage of ProvisionForLoanLossesExpensed-106.3521.221.732.4

us-gaap:CommercialRealEstatePortfolioSegment, clbk:SingleFamilyRealEstateLoan


Provision
Period End2021-06-302021-03-312020-06-302020-03-31
Value-2.4636.477-0.0513.101
Percentage of ProvisionForLoanLossesExpensed139.9-506.0-0.932.4

us-gaap:CommercialRealEstatePortfolioSegment, us-gaap:ConstructionLoans


Provision
Period End2021-06-302021-03-312020-06-302020-03-31
Value-2.3040.1920.8171.964
Percentage of ProvisionForLoanLossesExpensed130.8-15.014.220.5

us-gaap:ConsumerPortfolioSegment, clbk:OtherLoans


Provision
Period End2021-06-302021-03-312020-06-302020-03-31
Value-0.0010.002-0.0010.001
Percentage of ProvisionForLoanLossesExpensed0.1-0.2-0.00.0

us-gaap:ConsumerPortfolioSegment, us-gaap:HomeEquityLoan


Provision
Period End2021-06-302021-03-312020-06-302020-03-31
Value-0.4650.23-0.1830.059
Percentage of ProvisionForLoanLossesExpensed26.4-18.0-3.20.6

us-gaap:ReclassificationFromAociCurrentPeriodBeforeTaxAttributableToParent us-gaap:StatementEquityComponents

us-gaap:ReclassificationFromAociCurrentPeriodBeforeTaxAttributableToParent

clbk:AOCIAccumulatedGainLossDebtSecuritiesAvailableforsaleAccretionOfUnrealizedGainsLossesParent


Reclassification
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-30
Value17000.04000.0-159000.04000.02000.0-8000.02000.0-2000.02000.0
Percentage of ReclassificationFromAociCurrentPeriodBeforeTaxAttributableToParent100.0100.0100.0100.0100.0100.0100.0100.0100.0

clbk:AOCIAccumulatedGainLossDebtSecuritiesAvailableforsaleOtherReclassificationsParent


Reclassification
Period End2021-06-302020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-30
Value281000.0000-370000.0-891000.0-1256000.0-339000.0
Percentage of ReclassificationFromAociCurrentPeriodBeforeTaxAttributableToParent1652.9-0.00.00.04625.0-44550.062800.0-16950.0

us-gaap:AccumulatedDefinedBenefitPlansAdjustmentNetPriorServiceCostCredit


Reclassification
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-30
Value14000.014000.014000.014000.014000.0-42000.014000.014000.014000.0
Percentage of ReclassificationFromAociCurrentPeriodBeforeTaxAttributableToParent82.4350.0-8.8350.0700.0525.0700.0-700.0700.0

us-gaap:AccumulatedDefinedBenefitPlansAdjustmentNetUnamortizedGainLoss


Reclassification
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-30
Value1511000.01511000.01071000.01071000.01071000.0-2638000.0930000.0930000.0925000.0
Percentage of ReclassificationFromAociCurrentPeriodBeforeTaxAttributableToParent8888.237775.0-673.626775.053550.032975.046500.0-46500.046250.0

us-gaap:ReclassificationFromAociCurrentPeriodNetOfTaxAttributableToParent us-gaap:StatementEquityComponents

us-gaap:ReclassificationFromAociCurrentPeriodNetOfTaxAttributableToParent

clbk:AOCIAccumulatedGainLossDebtSecuritiesAvailableforsaleAccretionOfUnrealizedGainsLossesParent


Reclassification
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-30
Value0.012-0.014-0.1250.0040.002-0.0060.001-0.0020.002
Percentage of ReclassificationFromAociCurrentPeriodNetOfTaxAttributableToParent100.0100.0100.0100.0100.0100.0100.0100.0100.0

clbk:AOCIAccumulatedGainLossDebtSecuritiesAvailableforsaleOtherReclassificationsParent


Reclassification
Period End2021-06-302020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-30
Value0.2020.00.00.0-0.289-0.686-0.965-0.26
Percentage of ReclassificationFromAociCurrentPeriodNetOfTaxAttributableToParent1683.3-0.00.00.04816.7-68600.048250.0-13000.0

us-gaap:AccumulatedDefinedBenefitPlansAdjustmentNetPriorServiceCostCredit


Reclassification
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-30
Value0.0110.010.0120.0110.011-0.0330.0110.0110.011
Percentage of ReclassificationFromAociCurrentPeriodNetOfTaxAttributableToParent91.7-71.4-9.6275.0550.0550.01100.0-550.0550.0

us-gaap:AccumulatedDefinedBenefitPlansAdjustmentNetUnamortizedGainLoss


Reclassification
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-30
Value1.0891.0890.8450.8460.845-2.0840.7340.7350.731
Percentage of ReclassificationFromAociCurrentPeriodNetOfTaxAttributableToParent9075.0-7778.6-676.021150.042250.034733.373400.0-36750.036550.0

us-gaap:ReclassificationFromAociCurrentPeriodTax us-gaap:StatementEquityComponents

us-gaap:ReclassificationFromAociCurrentPeriodTax

clbk:AOCIAccumulatedGainLossDebtSecuritiesAvailableforsaleAccretionOfUnrealizedGainsLossesParent


Reclassification
Period End2021-06-302021-03-312020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312017-12-31
Value5000.018000.00-2000.01000.000-3000.0-56000.0
Percentage of ReclassificationFromAociCurrentPeriodTax100.0100.00.0100.0100.00.00.0100.0100.0

clbk:AOCIAccumulatedGainLossDebtSecuritiesAvailableforsaleOtherReclassificationsParent


Reclassification
Period End2021-06-302020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312017-12-31
Value79000.0000-81000.0-205000.0-291000.0-79000.0-26000.0-13000.0
Percentage of ReclassificationFromAociCurrentPeriodTax1580.00.00.00.04050.0-20500.00.00.0866.723.2

us-gaap:AccumulatedDefinedBenefitPlansAdjustmentNetPriorServiceCostCredit


Reclassification
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312017-12-31
Value3000.04000.02000.03000.03000.0-9000.03000.03000.03000.07000.0-19000.0
Percentage of ReclassificationFromAociCurrentPeriodTax60.022.20.00.00.0450.0300.00.00.0-233.333.9

us-gaap:AccumulatedDefinedBenefitPlansAdjustmentNetUnamortizedGainLoss


Reclassification
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312017-12-31
Value422000.0422000.0226000.0225000.0226000.0-554000.0196000.0195000.0194000.0-34000.0-94000.0
Percentage of ReclassificationFromAociCurrentPeriodTax8440.02344.40.00.00.027700.019600.00.00.01133.3167.9

us-gaap:RepaymentsOfOtherLongTermDebt

us-gaap:RepaymentsOfOtherLongTermDebt


Repayments
Period End2021-06-302021-03-312020-09-302020-06-302020-03-31
Value0.054646056
Percentage of RepaymentsOfOtherLongTermDebt0.0100.0100.0100.0100.0

us-gaap:RevenueNotFromContractWithCustomer

us-gaap:RevenueNotFromContractWithCustomer


Revenue
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-30
Value104.3935.6624.1553.8652.4444.4786.473.4112.9743.0011.9572.035
Percentage of RevenueNotFromContractWithCustomer100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:RightOfUseAssetObtainedInExchangeForOperatingLeaseLiability

us-gaap:RightOfUseAssetObtainedInExchangeForOperatingLeaseLiability


Right
Period End2020-12-312020-09-302020-06-302020-03-31
Value0.00.00.022
Percentage of RightOfUseAssetObtainedInExchangeForOperatingLeaseLiability0.00.00.0100.0

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeituresWeightedAverageGrantDateFairValue us-gaap:AwardType

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeituresWeightedAverageGrantDateFairValue

us-gaap:RestrictedStock


Share
Period End2021-06-302021-03-312020-09-302020-06-302020-03-31
Value15.615.616.0715.616.6
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeituresWeightedAverageGrantDateFairValue100.0100.0100.0100.0100.0

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue us-gaap:AwardType

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue

us-gaap:RestrictedStock


Share
Period End2021-03-222021-03-212021-03-312020-12-142020-03-312019-12-162019-12-312019-07-23
Value17.8617.8617.8615.08017.00.0715.6
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue100.0100.0100.0100.00.0100.0100.0100.0

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodWeightedAverageGrantDateFairValue us-gaap:AwardType

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodWeightedAverageGrantDateFairValue

us-gaap:RestrictedStock


Share
Period End2020-09-30
Value15.62
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodWeightedAverageGrantDateFairValue100.0

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRate us-gaap:AwardType

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRate

us-gaap:EmployeeStockOption


Share
Period End2021-03-222019-12-162019-07-23
Value25.980.22230.2212
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRate100.0100.0100.0

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRate us-gaap:AwardType

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRate

us-gaap:EmployeeStockOption


Share
Period End2021-03-222019-12-162019-07-23
Value1.110.01790.019
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRate100.0100.0100.0

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisesInPeriodTotalIntrinsicValue

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisesInPeriodTotalIntrinsicValue


Share
Period End2021-06-30
Value3805000.0
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisesInPeriodTotalIntrinsicValue100.0

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageGrantDateFairValue

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageGrantDateFairValue


Share
Period End2021-03-222019-12-162019-07-23
Value4.914.594.25
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageGrantDateFairValue100.0100.0100.0

us-gaap:ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExercisesInPeriodWeightedAverageExercisePrice

us-gaap:ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExercisesInPeriodWeightedAverageExercisePrice


Share
Period End2021-06-30
Value15.6
Percentage of ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExercisesInPeriodWeightedAverageExercisePrice100.0

us-gaap:ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsForfeituresInPeriodWeightedAverageExercisePrice

us-gaap:ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsForfeituresInPeriodWeightedAverageExercisePrice


Share
Period End2021-06-302021-03-312020-09-302020-06-302020-03-31
Value15.615.615.9515.615.6
Percentage of ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsForfeituresInPeriodWeightedAverageExercisePrice100.0100.0100.0100.0100.0

us-gaap:ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageExercisePrice

us-gaap:ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageExercisePrice


Share
Period End2021-03-222021-03-312020-03-312019-12-162019-12-312019-07-23
Value17.8617.86017.00.0715.6
Percentage of ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageExercisePrice100.0100.00.0100.0100.0100.0

us-gaap:StockIssuedDuringPeriodValueRestrictedStockAwardForfeitures

us-gaap:StockIssuedDuringPeriodValueRestrictedStockAwardForfeitures


Stock
Period End2020-12-312020-09-302020-06-302020-03-31
Value8000.003000.013000.0
Percentage of StockIssuedDuringPeriodValueRestrictedStockAwardForfeitures100.00.0100.0100.0

us-gaap:StockIssuedDuringPeriodValueRestrictedStockAwardForfeitures us-gaap:StatementEquityComponents

us-gaap:AdditionalPaidInCapital


Stock
Period End2021-06-302021-03-312020-12-312020-09-30
Value-2000.0-242000.0-2000.0-173000.0
Percentage of StockIssuedDuringPeriodValueRestrictedStockAwardForfeitures0.00.0-25.00.0

us-gaap:TreasuryStock


Stock
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-31
Value2000.0242000.010000.0173000.03000.013000.0
Percentage of StockIssuedDuringPeriodValueRestrictedStockAwardForfeitures0.00.0125.00.0100.0100.0

us-gaap:StockIssuedDuringPeriodValueRestrictedStockAwardGross us-gaap:StatementEquityComponents

us-gaap:StockIssuedDuringPeriodValueRestrictedStockAwardGross

us-gaap:AdditionalPaidInCapital


Stock
Period End2021-06-302021-03-31
Value0-733000.0
Percentage of StockIssuedDuringPeriodValueRestrictedStockAwardGross0.0100.0

us-gaap:TreasuryStock


Stock
Period End2021-06-302021-03-31
Value0733000.0
Percentage of StockIssuedDuringPeriodValueRestrictedStockAwardGross0.0-100.0

us-gaap:StockIssuedDuringPeriodValueStockOptionsExercised

us-gaap:StockIssuedDuringPeriodValueStockOptionsExercised


Stock
Period End2021-06-30
Value1000.0
Percentage of StockIssuedDuringPeriodValueStockOptionsExercised100.0

us-gaap:StockIssuedDuringPeriodValueStockOptionsExercised us-gaap:StatementEquityComponents

us-gaap:AdditionalPaidInCapital


Stock
Period End2021-06-30
Value1000.0
Percentage of StockIssuedDuringPeriodValueStockOptionsExercised100.0

us-gaap:StockRepurchasedDuringPeriodValue us-gaap:StatementEquityComponents

us-gaap:StockRepurchasedDuringPeriodValue

us-gaap:AdditionalPaidInCapital


Stock
Period End2020-12-312020-09-30
Value0.148-0.155
Percentage of StockRepurchasedDuringPeriodValue100.0100.0

us-gaap:TreasuryStock


Stock
Period End2020-12-312020-09-30
Value0.0260.155
Percentage of StockRepurchasedDuringPeriodValue17.6-100.0

us-gaap:TransferOfPortfolioLoansAndLeasesToHeldForSale1

us-gaap:TransferOfPortfolioLoansAndLeasesToHeldForSale1


Transfer
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-31
Value251110.01.9526150-86.04347326.0610.01.90.00.00.0
Percentage of TransferOfPortfolioLoansAndLeasesToHeldForSale1100.0100.00.0100.0100.0100.0100.0100.0100.0100.00.0100.00.00.00.0

us-gaap:TreasuryStockAcquiredAverageCostPerShare

us-gaap:TreasuryStockAcquiredAverageCostPerShare


Treasury
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-30
Value17.4716.43-0.5211.0814.4615.780.2615.4214.65
Percentage of TreasuryStockAcquiredAverageCostPerShare100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:TreasuryStockValueAcquiredCostMethod

us-gaap:TreasuryStockValueAcquiredCostMethod


Treasury
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-30
Value2532476.925124013383.867
Percentage of TreasuryStockValueAcquiredCostMethod100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:TreasuryStockValueAcquiredCostMethod us-gaap:StatementEquityComponents

us-gaap:TreasuryStock


Treasury
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-30
Value2532476.925124013383.867
Percentage of TreasuryStockValueAcquiredCostMethod100.0100.0100.0100.0100.0100.0100.0100.0100.0

clbk:AccruedInterestOnDerivativesAtFairValue

clbk:AccruedInterestOnDerivativesAtFairValue


Accrued
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value1000000.0971000.01000000.01100000.0846000.0383000.0344000.0210000.063000.014000.065000.0123000.045000.02000.07000.09000.0
Percentage of AccruedInterestOnDerivativesAtFairValue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

clbk:CapitalRequiredForCapitalAdequacyWithCapitalBuffer us-gaap:ConsolidatedEntities

clbk:CapitalRequiredForCapitalAdequacyWithCapitalBuffer

srt:ParentCompany


Capital
Period End2020-12-312019-12-312018-12-312017-12-31
Value606646460389
Percentage of CapitalRequiredForCapitalAdequacyWithCapitalBuffer100.0100.0100.0100.0

srt:Subsidiaries


Capital
Period End2020-12-312019-12-312018-12-312017-12-31
Value604622459388
Percentage of CapitalRequiredForCapitalAdequacyWithCapitalBuffer99.896.399.899.7

clbk:CommonEquityTierOneRiskBasedCapitalRequiredforCapitalAdequacywithCapitalBuffer us-gaap:ConsolidatedEntities

clbk:CommonEquityTierOneRiskBasedCapitalRequiredforCapitalAdequacywithCapitalBuffer

srt:ParentCompany


Common
Period End2020-12-312019-12-312018-12-312017-12-31
Value404430297242
Percentage of CommonEquityTierOneRiskBasedCapitalRequiredforCapitalAdequacywithCapitalBuffer100.0100.0100.0100.0

srt:Subsidiaries


Common
Period End2020-12-312019-12-312018-12-312017-12-31
Value403414296241
Percentage of CommonEquityTierOneRiskBasedCapitalRequiredforCapitalAdequacywithCapitalBuffer99.896.399.899.7

clbk:DeferredCompensationObligation

clbk:DeferredCompensationObligation


Deferred
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312017-12-31
Value1341000.01494000.01260000.01130000.01036000.01212000.0965000.0802000.0689000.0769000.0639000.00
Percentage of DeferredCompensationObligation100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0

clbk:DeferredTaxAssetsOperatingLeaseLiability

clbk:DeferredTaxAssetsOperatingLeaseLiability


Deferred
Period End2020-12-31
Value5609000.0
Percentage of DeferredTaxAssetsOperatingLeaseLiability100.0

clbk:DeferredTaxAssetsPurchaseAccounting

clbk:DeferredTaxAssetsPurchaseAccounting


Deferred
Period End2020-12-312019-12-312018-12-31
Value1024000.0665000.00
Percentage of DeferredTaxAssetsPurchaseAccounting100.0100.00.0

clbk:DeferredTaxAssetsRetirementIncomeMaintenancePlan

clbk:DeferredTaxAssetsRetirementIncomeMaintenancePlan


Deferred
Period End2020-12-312019-12-312018-12-312017-12-31
Value2471000.01725000.01602000.01455000.0
Percentage of DeferredTaxAssetsRetirementIncomeMaintenancePlan100.0100.0100.0100.0

clbk:DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsEmployeeStockOwnershipPlan

clbk:DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsEmployeeStockOwnershipPlan


Deferred
Period End2020-12-312019-12-312018-12-312017-12-31
Value624000.0301000.0128000.00
Percentage of DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsEmployeeStockOwnershipPlan100.0100.0100.00.0

clbk:DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsUncollectedInterest

clbk:DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsUncollectedInterest


Deferred
Period End2020-12-312019-12-312018-12-312017-12-31
Value126000.054000.024000.062000.0
Percentage of DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsUncollectedInterest100.0100.0100.0100.0

clbk:DeferredTaxAssetsUnrealizedLossesOnTradingSecuritiesAndDefinedBenefitPlans

clbk:DeferredTaxAssetsUnrealizedLossesOnTradingSecuritiesAndDefinedBenefitPlans


Deferred
Period End2020-12-312019-12-312018-12-312017-12-31
Value18181918
Percentage of DeferredTaxAssetsUnrealizedLossesOnTradingSecuritiesAndDefinedBenefitPlans100.0100.0100.0100.0

clbk:DeferredTaxLiabilitiesDepreciation

clbk:DeferredTaxLiabilitiesDepreciation


Deferred
Period End2020-12-31
Value6118000.0
Percentage of DeferredTaxLiabilitiesDepreciation100.0

clbk:DeferredTaxLiabilitiesPensionExpense

clbk:DeferredTaxLiabilitiesPensionExpense


Deferred
Period End2020-12-312019-12-312018-12-312017-12-31
Value49332626
Percentage of DeferredTaxLiabilitiesPensionExpense100.0100.0100.0100.0

clbk:LesseeOperatingLeaseLiabilitytobePaidafterYearFour

clbk:LesseeOperatingLeaseLiabilitytobePaidafterYearFour


Lessee
Period End2021-06-302021-03-312020-09-30
Value6402000.06709000.08534000.0
Percentage of LesseeOperatingLeaseLiabilitytobePaidafterYearFour100.0100.0100.0

clbk:LongtermDebtMaturitiesRepaymentsOfPrincipalAfterYearFour us-gaap:LongtermDebtType

clbk:LongtermDebtMaturitiesRepaymentsOfPrincipalAfterYearFour

clbk:LineofCreditandFHLBAdvances


Longterm
Period End2020-12-31
Value25
Percentage of LongtermDebtMaturitiesRepaymentsOfPrincipalAfterYearFour100.0

clbk:OperatingLossCarryforwardsSubjectToAnnualLimitation us-gaap:BusinessAcquisition

clbk:OperatingLossCarryforwardsSubjectToAnnualLimitation

clbk:StewardshipFinancialCorporation


Operating
Period End2020-12-31
Value1100000.0
Percentage of OperatingLossCarryforwardsSubjectToAnnualLimitation100.0

clbk:TierOneLeverageCapitalRequiredforCapitalAdequacywithCapitalBuffertoAverageAssets us-gaap:ConsolidatedEntities

clbk:TierOneLeverageCapitalRequiredforCapitalAdequacywithCapitalBuffertoAverageAssets

srt:ParentCompany


Tier
Period End2020-12-312019-12-312018-12-312017-12-31
Value350305263219
Percentage of TierOneLeverageCapitalRequiredforCapitalAdequacywithCapitalBuffertoAverageAssets100.0100.0100.0100.0

srt:Subsidiaries


Tier
Period End2020-12-312019-12-312018-12-312017-12-31
Value350305263221
Percentage of TierOneLeverageCapitalRequiredforCapitalAdequacywithCapitalBuffertoAverageAssets100.099.9100.0100.6

clbk:TierOneLeverageCapitalRequirementforCapitalAdequacyWithCapitalBuffertoAverageAssets us-gaap:ConsolidatedEntities

clbk:TierOneLeverageCapitalRequirementforCapitalAdequacyWithCapitalBuffertoAverageAssets

srt:ParentCompany


Tier
Period End2020-12-312019-12-312018-12-312017-12-31
Value4.00.040.040.04
Percentage of TierOneLeverageCapitalRequirementforCapitalAdequacyWithCapitalBuffertoAverageAssets100.0100.0100.0100.0

srt:Subsidiaries


Tier
Period End2020-12-312019-12-312018-12-312017-12-31
Value4.00.040.040.04
Percentage of TierOneLeverageCapitalRequirementforCapitalAdequacyWithCapitalBuffertoAverageAssets100.0100.0100.0100.0

clbk:TierOneRiskBasedCapitalRequiredforCapitalAdequacywithCapitalBuffer us-gaap:ConsolidatedEntities

clbk:TierOneRiskBasedCapitalRequiredforCapitalAdequacywithCapitalBuffer

srt:ParentCompany


Tier
Period End2020-12-312019-12-312018-12-312017-12-31
Value490523367305
Percentage of TierOneRiskBasedCapitalRequiredforCapitalAdequacywithCapitalBuffer100.0100.0100.0100.0

srt:Subsidiaries


Tier
Period End2020-12-312019-12-312018-12-312017-12-31
Value489503366304
Percentage of TierOneRiskBasedCapitalRequiredforCapitalAdequacywithCapitalBuffer99.896.399.899.7

clbk:TimeDepositmaturitiesMoreThanFourYears

clbk:TimeDepositmaturitiesMoreThanFourYears


Time
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value7048504743201613119.912101215192231
Percentage of TimeDepositmaturitiesMoreThanFourYears100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:AccruedLiabilitiesAndOtherLiabilities

us-gaap:AccruedLiabilitiesAndOtherLiabilities


Accrued
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value16928817616917417711713110684848079777669
Percentage of AccruedLiabilitiesAndOtherLiabilities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:AccruedLiabilitiesAndOtherLiabilities us-gaap:ConsolidatedEntities

srt:ParentCompany


Accrued
Period End2020-12-312019-12-312018-12-312017-12-31
Value2.0432.1760.1471.645
Percentage of AccruedLiabilitiesAndOtherLiabilities1.21.80.22.2

us-gaap:AdvancePaymentsByBorrowersForTaxesAndInsurance

us-gaap:AdvancePaymentsByBorrowersForTaxesAndInsurance


Advance
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value36333234363635343432323230282527
Percentage of AdvancePaymentsByBorrowersForTaxesAndInsurance100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:AdvancesFromFederalHomeLoanBanks

us-gaap:AdvancesFromFederalHomeLoanBanks


Advances
Period End2020-12-312019-12-312018-12-312017-12-31
Value2100190017001600
Percentage of AdvancesFromFederalHomeLoanBanks100.0100.0100.0100.0

us-gaap:AdvancesFromFederalHomeLoanBanks us-gaap:LongtermDebtType

us-gaap:SecuritiesSoldUnderAgreementsToRepurchase


Advances
Period End2020-12-312019-12-312018-12-31
Value222246246
Percentage of AdvancesFromFederalHomeLoanBanks10.613.014.5

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

us-gaap:AssetsFairValueDisclosure

us-gaap:FairValueInputsLevel1, us-gaap:FairValueMeasurementsRecurring


Assets
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value39443035414444465255565456574228
Percentage of AssetsFairValueDisclosure100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:FairValueInputsLevel2, us-gaap:FairValueMeasurementsRecurring


Assets
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value1620144413111237114110741056107910531037979934876795668529
Percentage of AssetsFairValueDisclosure4151.73263.24281.93530.32780.52429.22349.02301.92019.61855.21747.81705.41544.01394.81560.21881.8

us-gaap:FairValueInputsLevel3, us-gaap:FairValueMeasurementsNonrecurring


Assets
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value3.5513.5651.3381.4820.4430.511.7440.5820.6644.0732.0591.50810101114
Percentage of AssetsFairValueDisclosure9.18.14.44.21.11.23.91.21.37.33.72.818.118.226.251.7

us-gaap:AssetsFairValueDisclosure us-gaap:FairValueByMeasurementFrequency

us-gaap:FairValueMeasurementsNonrecurring


Assets
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value3.5513.5651.3381.4820.4430.511.7440.5820.6644.0732.0591.50810101114
Percentage of AssetsFairValueDisclosure9.18.14.44.21.11.23.91.21.37.33.72.818.118.226.251.7

us-gaap:FairValueMeasurementsRecurring


Assets
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value16591489134112721182111811011126110510931035989933852711557
Percentage of AssetsFairValueDisclosure4251.73363.24381.93630.32880.52529.22449.02401.92119.61955.21847.81805.41644.01494.81660.21981.8

us-gaap:AssetsHeldForSaleLongLivedFairValueDisclosure us-gaap:LongLivedAssetsHeldForSaleByAssetType

us-gaap:AssetsHeldForSaleLongLivedFairValueDisclosure

clbk:StewardshipProperty


Assets
Period End2020-12-312019-12-31
Value1900000.01800000.0
Percentage of AssetsHeldForSaleLongLivedFairValueDisclosure100.0100.0

us-gaap:AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedGainBeforeTax

us-gaap:AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedGainBeforeTax


Available
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-31
Value3129404246401422156.5832.994
Percentage of AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedGainBeforeTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedGainBeforeTax us-gaap:FinancialInstrument

us-gaap:CorporateDebtSecurities


Available
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-31
Value2.4242.2122.2642.0962.0380.5630.9450.7740.4860.1030.129
Percentage of AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedGainBeforeTax7.77.55.64.94.41.46.63.53.01.64.3

us-gaap:MortgageBackedSecurities


Available
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-31
Value2826373943381220146.242.812
Percentage of AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedGainBeforeTax89.489.391.692.293.095.591.193.792.794.893.9

us-gaap:MunicipalBonds


Available
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-31
Value0.0220.0160.0170.0150.0140.0030.0010.00.00.00.0
Percentage of AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedGainBeforeTax0.10.10.00.00.00.00.00.00.00.00.0

us-gaap:USGovernmentAgenciesDebtSecurities


Available
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-31
Value0.9130.9421.1241.2471.2381.2830.3210.6210.6840.240.053
Percentage of AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedGainBeforeTax2.93.22.82.92.63.22.32.84.33.61.8

us-gaap:AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedLossBeforeTax

us-gaap:AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedLossBeforeTax


Available
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-31
Value5.626101.3071.4881.8273.7792.0551.6542.9381120
Percentage of AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedLossBeforeTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedLossBeforeTax us-gaap:FinancialInstrument

us-gaap:CorporateDebtSecurities


Available
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-31
Value0.150.3140.4150.5050.7492.0440.3780.6690.7860.7921.155
Percentage of AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedLossBeforeTax2.73.131.833.941.054.118.440.426.86.85.8

us-gaap:MortgageBackedSecurities


Available
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-31
Value5.3969.2680.5620.4430.3770.8171.2650.5041.6131017
Percentage of AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedLossBeforeTax95.992.343.029.820.621.661.630.554.986.386.9

us-gaap:TrustPreferredSecuritiesSubjectToMandatoryRedemption


Available
Period End2021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-31
Value0.3040.330.540.7010.9180.3950.4590.4930.4630.75
Percentage of AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedLossBeforeTax3.025.236.338.424.319.227.816.84.03.7

us-gaap:USGovernmentAgenciesDebtSecurities


Available
Period End2021-06-302021-03-312020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-31
Value0.080.1550.00.00.0160.0220.0460.3440.717
Percentage of AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedLossBeforeTax1.41.50.00.00.81.31.62.93.6

us-gaap:AvailableForSaleDebtSecuritiesAmortizedCostBasis

us-gaap:AvailableForSaleDebtSecuritiesAmortizedCostBasis


Available
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-31
Value161614541277120411321079108610951086109510491018955870717
Percentage of AvailableForSaleDebtSecuritiesAmortizedCostBasis100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:AvailableForSaleDebtSecuritiesAmortizedCostBasis us-gaap:FinancialInstrument

clbk:DebtSecuritiesExcludingMortgageBasedSecurities


Available
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-31
Value121123113108119115117114121124115
Percentage of AvailableForSaleDebtSecuritiesAmortizedCostBasis7.58.58.99.010.610.710.910.411.211.311.0

us-gaap:CorporateDebtSecurities


Available
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-31
Value6262677277686864646454
Percentage of AvailableForSaleDebtSecuritiesAmortizedCostBasis3.94.35.36.06.86.46.35.95.95.95.2

us-gaap:MortgageBackedSecurities


Available
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-31
Value14951331116310951013963968981965970934
Percentage of AvailableForSaleDebtSecuritiesAmortizedCostBasis92.591.591.191.089.489.389.189.688.888.789.0

us-gaap:MunicipalBonds


Available
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-31
Value1916161.871.8730.9562.2840.192.420.190.987
Percentage of AvailableForSaleDebtSecuritiesAmortizedCostBasis1.21.11.30.20.20.10.20.00.20.00.1

us-gaap:USGovernmentAgenciesDebtSecurities


Available
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-31
Value3939242935404244495454
Percentage of AvailableForSaleDebtSecuritiesAmortizedCostBasis2.42.71.92.43.13.83.94.14.65.05.2

us-gaap:AvailableForSaleSecuritiesDebtMaturitiesAfterFiveThroughTenYearsAmortizedCost us-gaap:FinancialInstrument

us-gaap:AvailableForSaleSecuritiesDebtMaturitiesAfterFiveThroughTenYearsAmortizedCost

clbk:DebtSecuritiesExcludingMortgageBasedSecurities


Available
Period End2021-06-302021-03-312020-12-312020-09-30
Value36474549
Percentage of AvailableForSaleSecuritiesDebtMaturitiesAfterFiveThroughTenYearsAmortizedCost100.0100.0100.0100.0

us-gaap:AvailableForSaleSecuritiesDebtMaturitiesAfterFiveThroughTenYearsFairValue us-gaap:FinancialInstrument

us-gaap:AvailableForSaleSecuritiesDebtMaturitiesAfterFiveThroughTenYearsFairValue

clbk:DebtSecuritiesExcludingMortgageBasedSecurities


Available
Period End2021-06-302021-03-312020-12-312020-09-30
Value37474550
Percentage of AvailableForSaleSecuritiesDebtMaturitiesAfterFiveThroughTenYearsFairValue100.0100.0100.0100.0

us-gaap:AvailableForSaleSecuritiesDebtMaturitiesAfterOneThroughFiveYearsAmortizedCost us-gaap:FinancialInstrument

us-gaap:AvailableForSaleSecuritiesDebtMaturitiesAfterOneThroughFiveYearsAmortizedCost

clbk:DebtSecuritiesExcludingMortgageBasedSecurities


Available
Period End2021-06-302021-03-312020-12-312020-09-30
Value69604742
Percentage of AvailableForSaleSecuritiesDebtMaturitiesAfterOneThroughFiveYearsAmortizedCost100.0100.0100.0100.0

us-gaap:AvailableForSaleSecuritiesDebtMaturitiesAfterOneThroughFiveYearsFairValue us-gaap:FinancialInstrument

us-gaap:AvailableForSaleSecuritiesDebtMaturitiesAfterOneThroughFiveYearsFairValue

clbk:DebtSecuritiesExcludingMortgageBasedSecurities


Available
Period End2021-06-302021-03-312020-12-312020-09-30
Value71614944
Percentage of AvailableForSaleSecuritiesDebtMaturitiesAfterOneThroughFiveYearsFairValue100.0100.0100.0100.0

us-gaap:AvailableForSaleSecuritiesDebtMaturitiesAfterTenYearsAmortizedCost us-gaap:FinancialInstrument

us-gaap:AvailableForSaleSecuritiesDebtMaturitiesAfterTenYearsAmortizedCost

clbk:DebtSecuritiesExcludingMortgageBasedSecurities


Available
Period End2020-09-30
Value470000.0
Percentage of AvailableForSaleSecuritiesDebtMaturitiesAfterTenYearsAmortizedCost100.0

us-gaap:AvailableForSaleSecuritiesDebtMaturitiesAfterTenYearsFairValue us-gaap:FinancialInstrument

us-gaap:AvailableForSaleSecuritiesDebtMaturitiesAfterTenYearsFairValue

clbk:DebtSecuritiesExcludingMortgageBasedSecurities


Available
Period End2020-09-30
Value483000.0
Percentage of AvailableForSaleSecuritiesDebtMaturitiesAfterTenYearsFairValue100.0

us-gaap:AvailableForSaleSecuritiesDebtMaturitiesWithinOneYearAmortizedCost us-gaap:FinancialInstrument

us-gaap:AvailableForSaleSecuritiesDebtMaturitiesWithinOneYearAmortizedCost

clbk:DebtSecuritiesExcludingMortgageBasedSecurities


Available
Period End2021-06-302021-03-312020-12-312020-09-30
Value15162116
Percentage of AvailableForSaleSecuritiesDebtMaturitiesWithinOneYearAmortizedCost100.0100.0100.0100.0

us-gaap:AvailableForSaleSecuritiesDebtMaturitiesWithinOneYearFairValue us-gaap:FinancialInstrument

us-gaap:AvailableForSaleSecuritiesDebtMaturitiesWithinOneYearFairValue

clbk:DebtSecuritiesExcludingMortgageBasedSecurities


Available
Period End2021-06-302021-03-312020-12-312020-09-30
Value15162116
Percentage of AvailableForSaleSecuritiesDebtMaturitiesWithinOneYearFairValue100.0100.0100.0100.0

us-gaap:AvailableForSaleSecuritiesDebtSecurities

us-gaap:AvailableForSaleSecuritiesDebtSecurities


Available
Period End2021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-31
Value1474131612451177111610981115109910901032985928849707
Percentage of AvailableForSaleSecuritiesDebtSecurities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:AvailableForSaleSecuritiesDebtSecurities us-gaap:FairValueByFairValueHierarchyLevel

us-gaap:FairValueInputsLevel1


Available
Period End2021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-31
Value39253036424245505454
Percentage of AvailableForSaleSecuritiesDebtSecurities2.71.92.53.13.83.94.04.65.05.2

us-gaap:FairValueInputsLevel2


Available
Period End2021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-31
Value143412911214114110741055107010491035978
Percentage of AvailableForSaleSecuritiesDebtSecurities97.398.197.596.996.296.196.095.495.094.8

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

us-gaap:FairValueInputsLevel1, us-gaap:FairValueMeasurementsRecurring


Available
Period End2021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-31
Value39253036424245505454
Percentage of AvailableForSaleSecuritiesDebtSecurities2.71.92.53.13.83.94.04.65.05.2

us-gaap:FairValueInputsLevel2, us-gaap:FairValueMeasurementsRecurring


Available
Period End2021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-31
Value143412911214114110741055107010491035978
Percentage of AvailableForSaleSecuritiesDebtSecurities97.398.197.596.996.296.196.095.495.094.8

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

us-gaap:FairValueInputsLevel1, us-gaap:FairValueMeasurementsRecurring, us-gaap:USGovernmentAgenciesDebtSecurities


Available
Period End2021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-31
Value39253036424245505454
Percentage of AvailableForSaleSecuritiesDebtSecurities2.71.92.53.13.83.94.04.65.05.2

us-gaap:FairValueInputsLevel2, us-gaap:FairValueMeasurementsRecurring, us-gaap:CorporateDebtSecurities


Available
Period End2021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-31
Value64697478676964646353
Percentage of AvailableForSaleSecuritiesDebtSecurities4.45.36.06.76.06.35.85.85.95.2

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


Available
Period End2021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-31
Value134812001134105610029791001978967920
Percentage of AvailableForSaleSecuritiesDebtSecurities91.591.191.189.789.889.289.789.088.789.1

us-gaap:FairValueInputsLevel2, us-gaap:FairValueMeasurementsRecurring, us-gaap:MunicipalBonds


Available
Period End2021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-31
Value16161.8851.8870.9592.2840.192.420.190.987
Percentage of AvailableForSaleSecuritiesDebtSecurities1.11.30.20.20.10.20.00.20.00.1

us-gaap:FairValueInputsLevel2, us-gaap:FairValueMeasurementsRecurring, us-gaap:TrustPreferredSecuritiesSubjectToMandatoryRedemption


Available
Period End2021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-31
Value4.6964.674.464.2994.0824.6054.5414.5074.5374.25
Percentage of AvailableForSaleSecuritiesDebtSecurities0.30.40.40.40.40.40.40.40.40.4

us-gaap:AvailableForSaleSecuritiesDebtSecurities us-gaap:FairValueByMeasurementBasis

us-gaap:CarryingReportedAmountFairValueDisclosure


Available
Period End2021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-31
Value1474131612451177111610981115109910901032
Percentage of AvailableForSaleSecuritiesDebtSecurities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:EstimateOfFairValueFairValueDisclosure


Available
Period End2021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-31
Value1474131612451177111610981115109910901032
Percentage of AvailableForSaleSecuritiesDebtSecurities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:AvailableForSaleSecuritiesDebtSecurities us-gaap:FairValueByMeasurementFrequency

us-gaap:FairValueMeasurementsRecurring


Available
Period End2021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-31
Value1474131612451177111610981115109910901032
Percentage of AvailableForSaleSecuritiesDebtSecurities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

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

us-gaap:FairValueMeasurementsRecurring, us-gaap:CorporateDebtSecurities


Available
Period End2021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-31
Value64697478676964646353
Percentage of AvailableForSaleSecuritiesDebtSecurities4.45.36.06.76.06.35.85.85.95.2

us-gaap:FairValueMeasurementsRecurring, us-gaap:MortgageBackedSecurities


Available
Period End2021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-31
Value134812001134105610029791001978967920
Percentage of AvailableForSaleSecuritiesDebtSecurities91.591.191.189.789.889.289.789.088.789.1

us-gaap:FairValueMeasurementsRecurring, us-gaap:MunicipalBonds


Available
Period End2021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-31
Value16161.8851.8870.9592.2840.192.420.190.987
Percentage of AvailableForSaleSecuritiesDebtSecurities1.11.30.20.20.10.20.00.20.00.1

us-gaap:FairValueMeasurementsRecurring, us-gaap:TrustPreferredSecuritiesSubjectToMandatoryRedemption


Available
Period End2021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-31
Value4.6964.674.464.2994.0824.6054.5414.5074.5374.25
Percentage of AvailableForSaleSecuritiesDebtSecurities0.30.40.40.40.40.40.40.40.40.4

us-gaap:FairValueMeasurementsRecurring, us-gaap:USGovernmentAgenciesDebtSecurities


Available
Period End2021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-31
Value39253036424245505454
Percentage of AvailableForSaleSecuritiesDebtSecurities2.71.92.53.13.83.94.04.65.05.2

us-gaap:AvailableForSaleSecuritiesDebtSecurities us-gaap:FinancialInstrument

clbk:DebtSecuritiesExcludingMortgageBasedSecurities


Available
Period End2021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-31
Value125116111121114118114121123112
Percentage of AvailableForSaleSecuritiesDebtSecurities8.58.98.910.310.210.810.311.011.310.9

us-gaap:CorporateDebtSecurities


Available
Period End2021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-31
Value64697478676964646353
Percentage of AvailableForSaleSecuritiesDebtSecurities4.45.36.06.76.06.35.85.85.95.2

us-gaap:MortgageBackedSecurities


Available
Period End2021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-31
Value134812001134105610029791001978967920
Percentage of AvailableForSaleSecuritiesDebtSecurities91.591.191.189.789.889.289.789.088.789.1

us-gaap:MunicipalBonds


Available
Period End2021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-31
Value16161.8851.8870.9592.2840.192.420.190.987
Percentage of AvailableForSaleSecuritiesDebtSecurities1.11.30.20.20.10.20.00.20.00.1

us-gaap:TrustPreferredSecuritiesSubjectToMandatoryRedemption


Available
Period End2021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-31
Value4.6964.674.464.2994.0824.6054.5414.5074.5374.25
Percentage of AvailableForSaleSecuritiesDebtSecurities0.30.40.40.40.40.40.40.40.40.4

us-gaap:USGovernmentAgenciesDebtSecurities


Available
Period End2021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-31
Value39253036424245505454
Percentage of AvailableForSaleSecuritiesDebtSecurities2.71.92.53.13.83.94.04.65.05.2

us-gaap:BankOwnedLifeInsurance

us-gaap:BankOwnedLifeInsurance


Bank
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value235234232233231212211187187185184183151151150149
Percentage of BankOwnedLifeInsurance100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:Capital us-gaap:ConsolidatedEntities

us-gaap:Capital

srt:ParentCompany


Capitalus-gaap:
Period End2020-12-312019-12-312018-12-312017-12-31
Value107010611094631
Percentage of Capital100.0100.0100.0100.0

srt:Subsidiaries


Capitalus-gaap:
Period End2020-12-312019-12-312018-12-312017-12-31
Value924844886625
Percentage of Capital86.479.681.099.0

us-gaap:CapitalRequiredForCapitalAdequacy us-gaap:ConsolidatedEntities

us-gaap:CapitalRequiredForCapitalAdequacy

srt:ParentCompany


Capital
Period End2020-12-312019-12-312018-12-312017-12-31
Value461492373336
Percentage of CapitalRequiredForCapitalAdequacy100.0100.0100.0100.0

srt:Subsidiaries


Capital
Period End2020-12-312019-12-312018-12-312017-12-31
Value460474372335
Percentage of CapitalRequiredForCapitalAdequacy99.896.399.899.7

us-gaap:CapitalRequiredToBeWellCapitalized us-gaap:ConsolidatedEntities

us-gaap:CapitalRequiredToBeWellCapitalized

srt:Subsidiaries


Capital
Period End2020-12-312019-12-312018-12-312017-12-31
Value576592465419
Percentage of CapitalRequiredToBeWellCapitalized100.0100.0100.0100.0

us-gaap:CapitalRequiredToBeWellCapitalizedToRiskWeightedAssets us-gaap:ConsolidatedEntities

us-gaap:CapitalRequiredToBeWellCapitalizedToRiskWeightedAssets

srt:Subsidiaries


Capital
Period End2020-12-312019-12-312018-12-312017-12-31
Value10.00.10.10.1
Percentage of CapitalRequiredToBeWellCapitalizedToRiskWeightedAssets100.0100.0100.0100.0

us-gaap:CashAndCashEquivalentsFairValueDisclosure us-gaap:FairValueByFairValueHierarchyLevel

us-gaap:CashAndCashEquivalentsFairValueDisclosure

us-gaap:FairValueInputsLevel1


Cash
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value387359422265225887557546542546763465100
Percentage of CashAndCashEquivalentsFairValueDisclosure100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:CashAndCashEquivalentsFairValueDisclosure us-gaap:FairValueByMeasurementBasis

us-gaap:CarryingReportedAmountFairValueDisclosure


Cash
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value387359422265225887557546542546763465100
Percentage of CashAndCashEquivalentsFairValueDisclosure100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:EstimateOfFairValueFairValueDisclosure


Cash
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value387359422265225887557546542546763465100
Percentage of CashAndCashEquivalentsFairValueDisclosure100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:CashAndDueFromBanks

us-gaap:CashAndDueFromBanks


Cash
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-31
Value387359422265225887557546542
Percentage of CashAndDueFromBanks100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:CashAndDueFromBanks us-gaap:ConsolidatedEntities

srt:ParentCompany


Cash
Period End2020-12-312019-12-312018-12-31
Value94168153
Percentage of CashAndDueFromBanks22.2223.1365.4

us-gaap:CashReserveDepositRequiredAndMade

us-gaap:CashReserveDepositRequiredAndMade


Cash
Period End2020-12-312019-12-312018-12-312017-12-31
Value4900000.08800000.05900000.04100000.0
Percentage of CashReserveDepositRequiredAndMade100.0100.0100.0100.0

us-gaap:CertainLoansAcquiredInTransferNotAccountedForAsDebtSecuritiesAccretableYield

us-gaap:CertainLoansAcquiredInTransferNotAccountedForAsDebtSecuritiesAccretableYield


Certain
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-11-012018-12-31
Value375000.0408000.0418000.0414000.0471000.0463000.0511000.0-556000.00
Percentage of CertainLoansAcquiredInTransferNotAccountedForAsDebtSecuritiesAccretableYield100.0100.0100.0100.0100.0100.0100.0100.00.0

us-gaap:CommonEquityTierOneCapital us-gaap:ConsolidatedEntities

us-gaap:CommonEquityTierOneCapital

srt:ParentCompany


Common
Period End2020-12-312019-12-312018-12-312017-12-31
Value9909801035528
Percentage of CommonEquityTierOneCapital100.0100.0100.0100.0

srt:Subsidiaries


Common
Period End2020-12-312019-12-312018-12-312017-12-31
Value852782828572
Percentage of CommonEquityTierOneCapital86.179.880.0108.4

us-gaap:CommonEquityTierOneCapitalRatio us-gaap:ConsolidatedEntities

us-gaap:CommonEquityTierOneCapitalRatio

srt:ParentCompany


Common
Period End2020-12-312019-12-312018-12-312017-12-31
Value17.170.15940.22190.1255
Percentage of CommonEquityTierOneCapitalRatio100.0100.0100.0100.0

srt:Subsidiaries


Common
Period End2020-12-312019-12-312018-12-312017-12-31
Value14.80.13210.17790.1364
Percentage of CommonEquityTierOneCapitalRatio86.282.980.2108.7

us-gaap:CommonEquityTierOneCapitalRequiredForCapitalAdequacy us-gaap:ConsolidatedEntities

us-gaap:CommonEquityTierOneCapitalRequiredForCapitalAdequacy

srt:ParentCompany


Common
Period End2020-12-312019-12-312018-12-312017-12-31
Value259276209189
Percentage of CommonEquityTierOneCapitalRequiredForCapitalAdequacy100.0100.0100.0100.0

srt:Subsidiaries


Common
Period End2020-12-312019-12-312018-12-312017-12-31
Value259266209188
Percentage of CommonEquityTierOneCapitalRequiredForCapitalAdequacy99.896.399.899.7

us-gaap:CommonEquityTierOneCapitalRequiredToBeWellCapitalized us-gaap:ConsolidatedEntities

us-gaap:CommonEquityTierOneCapitalRequiredToBeWellCapitalized

srt:Subsidiaries


Common
Period End2020-12-312019-12-312018-12-312017-12-31
Value374385302272
Percentage of CommonEquityTierOneCapitalRequiredToBeWellCapitalized100.0100.0100.0100.0

us-gaap:CommonStockHeldInTrust

us-gaap:CommonStockHeldInTrust


Common
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-31
Value2.2052.1411.8751.8141.7671.7281.521.4671.4071.3591.25944440.0
Percentage of CommonStockHeldInTrust100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0

us-gaap:DebtInstrumentFairValue us-gaap:FairValueByFairValueHierarchyLevel

us-gaap:DebtInstrumentFairValue

us-gaap:FairValueInputsLevel2


Debt
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value755729808102711431390141111331166109711851127923532925732
Percentage of DebtInstrumentFairValue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DebtInstrumentFairValue us-gaap:FairValueByMeasurementBasis

us-gaap:CarryingReportedAmountFairValueDisclosure


Debt
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value749722799101511291376140711291163109811891135930589929733
Percentage of DebtInstrumentFairValue99.399.198.898.898.899.099.799.699.7100.1100.4100.7100.8110.8100.4100.0

us-gaap:EstimateOfFairValueFairValueDisclosure


Debt
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value755729808102711431390141111331166109711851127923532925732
Percentage of DebtInstrumentFairValue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPosition12MonthsOrLonger

us-gaap:DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPosition12MonthsOrLonger


Debt
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-31
Value2619344540497288232613552
Percentage of DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPosition12MonthsOrLonger100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPosition12MonthsOrLonger us-gaap:FinancialInstrument

us-gaap:CorporateDebtSecurities


Debt
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-31
Value4.854.845.744.5034.343.9934.6279.37114149.358
Percentage of DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPosition12MonthsOrLonger18.624.916.79.810.88.16.410.66.22.31.7

us-gaap:MortgageBackedSecurities


Debt
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-31
Value219.898243631415859193559509
Percentage of DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPosition12MonthsOrLonger81.450.969.880.578.683.780.467.483.391.392.2

us-gaap:TrustPreferredSecuritiesSubjectToMandatoryRedemption


Debt
Period End2021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-31
Value4.6974.674.4594.2984.0814.6054.5414.5074.5374.25
Percentage of DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPosition12MonthsOrLonger24.213.69.710.78.36.45.11.90.70.8

us-gaap:DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPosition12MonthsOrLongerAccumulatedLoss

us-gaap:DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPosition12MonthsOrLongerAccumulatedLoss


Debt
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-31
Value0.540.4910.6711.1141.4722.2851.091.4542.5721118
Percentage of DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPosition12MonthsOrLongerAccumulatedLoss100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPosition12MonthsOrLongerAccumulatedLoss us-gaap:FinancialInstrument

us-gaap:CorporateDebtSecurities


Debt
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-31
Value0.150.160.260.4980.6611.0080.3730.630.5780.60.643
Percentage of DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPosition12MonthsOrLongerAccumulatedLoss27.832.638.744.744.944.134.243.322.55.33.5

us-gaap:MortgageBackedSecurities


Debt
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-31
Value0.390.0270.0810.0760.110.3590.3190.3431.4559.90216
Percentage of DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPosition12MonthsOrLongerAccumulatedLoss72.25.512.16.87.515.729.323.656.687.689.6

us-gaap:TrustPreferredSecuritiesSubjectToMandatoryRedemption


Debt
Period End2021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-31
Value0.3040.330.540.7010.9180.3950.4590.4930.4630.75
Percentage of DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPosition12MonthsOrLongerAccumulatedLoss61.949.248.547.640.236.231.619.24.14.1

us-gaap:DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12Months

us-gaap:DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12Months


Debt
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-31
Value3874501271395977187753844217
Percentage of DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12Months100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12Months us-gaap:FinancialInstrument

us-gaap:CorporateDebtSecurities


Debt
Period End2021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-31
Value4.8469.8450.99315262.5884.9619.7942126
Percentage of DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12Months1.17.70.726.634.31.46.625.148.612.2

us-gaap:MortgageBackedSecurities


Debt
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-31
Value3824311171384350178702923176
Percentage of DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12Months98.795.792.399.373.465.795.593.474.951.481.1

us-gaap:USGovernmentAgenciesDebtSecurities


Debt
Period End2021-06-302021-03-312020-03-312019-12-312019-09-302019-06-302019-03-312018-12-31
Value4.902140.05.1060.00.00.014
Percentage of DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12Months1.33.20.02.70.00.00.06.7

us-gaap:DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12MonthsAccumulatedLoss

us-gaap:DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12MonthsAccumulatedLoss


Debt
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-31
Value5086000.09550000.0636000.0374000.0355000.01494000.0965000.0200000.0366000.0379000.01748000.0
Percentage of DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12MonthsAccumulatedLoss100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12MonthsAccumulatedLoss us-gaap:FinancialInstrument

us-gaap:CorporateDebtSecurities


Debt
Period End2021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-31
Value154000.0155000.07000.088000.01036000.05000.039000.0208000.0192000.0512000.0
Percentage of DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12MonthsAccumulatedLoss1.624.41.924.869.30.519.556.850.729.3

us-gaap:MortgageBackedSecurities


Debt
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-31
Value5006000.09241000.0481000.0367000.0267000.0458000.0946000.0161000.0158000.0187000.01034000.0
Percentage of DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12MonthsAccumulatedLoss98.496.875.698.175.230.798.080.543.249.359.2

us-gaap:USGovernmentAgenciesDebtSecurities


Debt
Period End2021-06-302021-03-312020-03-312019-12-312019-09-302019-06-302019-03-312018-12-31
Value80000.0155000.0013000.0000202000.0
Percentage of DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12MonthsAccumulatedLoss1.61.60.01.30.00.00.011.6

us-gaap:DebtSecuritiesAvailableForSaleExcludingAccruedInterest

us-gaap:DebtSecuritiesAvailableForSaleExcludingAccruedInterest


Debt
Period End2021-06-302020-12-31
Value16421316
Percentage of DebtSecuritiesAvailableForSaleExcludingAccruedInterest100.0100.0

us-gaap:DebtSecuritiesAvailableForSaleExcludingAccruedInterest us-gaap:FairValueByFairValueHierarchyLevel

us-gaap:FairValueInputsLevel1


Debt
Period End2021-06-302020-12-31
Value3525
Percentage of DebtSecuritiesAvailableForSaleExcludingAccruedInterest2.21.9

us-gaap:FairValueInputsLevel2


Debt
Period End2021-06-302020-12-31
Value16071291
Percentage of DebtSecuritiesAvailableForSaleExcludingAccruedInterest97.898.1

us-gaap:DebtSecuritiesAvailableForSaleExcludingAccruedInterest us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementFrequency

us-gaap:FairValueInputsLevel1, us-gaap:FairValueMeasurementsRecurring


Debt
Period End2021-06-302020-12-31
Value3525
Percentage of DebtSecuritiesAvailableForSaleExcludingAccruedInterest2.21.9

us-gaap:FairValueInputsLevel2, us-gaap:FairValueMeasurementsRecurring


Debt
Period End2021-06-302020-12-31
Value16071291
Percentage of DebtSecuritiesAvailableForSaleExcludingAccruedInterest97.898.1

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

us-gaap:FairValueInputsLevel1, us-gaap:FairValueMeasurementsRecurring, us-gaap:USGovernmentAgenciesDebtSecurities


Debt
Period End2021-06-302020-12-31
Value3525
Percentage of DebtSecuritiesAvailableForSaleExcludingAccruedInterest2.21.9

us-gaap:FairValueInputsLevel2, us-gaap:FairValueMeasurementsRecurring, us-gaap:CorporateDebtSecurities


Debt
Period End2021-06-302020-12-31
Value6469
Percentage of DebtSecuritiesAvailableForSaleExcludingAccruedInterest4.05.3

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


Debt
Period End2021-06-302020-12-31
Value15181200
Percentage of DebtSecuritiesAvailableForSaleExcludingAccruedInterest92.491.1

us-gaap:FairValueInputsLevel2, us-gaap:FairValueMeasurementsRecurring, us-gaap:MunicipalBonds


Debt
Period End2021-06-302020-12-31
Value1916
Percentage of DebtSecuritiesAvailableForSaleExcludingAccruedInterest1.21.3

us-gaap:FairValueInputsLevel2, us-gaap:FairValueMeasurementsRecurring, us-gaap:TrustPreferredSecuritiesSubjectToMandatoryRedemption


Debt
Period End2020-12-31
Value4.67
Percentage of DebtSecuritiesAvailableForSaleExcludingAccruedInterest0.4

us-gaap:FairValueInputsLevel2, us-gaap:FairValueMeasurementsRecurring, us-gaap:USGovernmentAgenciesDebtSecurities


Debt
Period End2021-06-30
Value4.538
Percentage of DebtSecuritiesAvailableForSaleExcludingAccruedInterest0.3

us-gaap:DebtSecuritiesAvailableForSaleExcludingAccruedInterest us-gaap:FairValueByMeasurementBasis

us-gaap:CarryingReportedAmountFairValueDisclosure


Debt
Period End2021-06-302020-12-31
Value16421316
Percentage of DebtSecuritiesAvailableForSaleExcludingAccruedInterest100.0100.0

us-gaap:EstimateOfFairValueFairValueDisclosure


Debt
Period End2021-06-302020-12-31
Value16421316
Percentage of DebtSecuritiesAvailableForSaleExcludingAccruedInterest100.0100.0

us-gaap:DebtSecuritiesAvailableForSaleExcludingAccruedInterest us-gaap:FairValueByMeasurementFrequency

us-gaap:FairValueMeasurementsRecurring


Debt
Period End2021-06-302020-12-31
Value16421316
Percentage of DebtSecuritiesAvailableForSaleExcludingAccruedInterest100.0100.0

us-gaap:DebtSecuritiesAvailableForSaleExcludingAccruedInterest us-gaap:FairValueByMeasurementFrequency, us-gaap:FinancialInstrument

us-gaap:FairValueMeasurementsRecurring, us-gaap:CorporateDebtSecurities


Debt
Period End2021-06-302020-12-31
Value6469
Percentage of DebtSecuritiesAvailableForSaleExcludingAccruedInterest4.05.3

us-gaap:FairValueMeasurementsRecurring, us-gaap:MortgageBackedSecurities


Debt
Period End2021-06-302020-12-31
Value15181200
Percentage of DebtSecuritiesAvailableForSaleExcludingAccruedInterest92.491.1

us-gaap:FairValueMeasurementsRecurring, us-gaap:MunicipalBonds


Debt
Period End2021-06-302020-12-31
Value1916
Percentage of DebtSecuritiesAvailableForSaleExcludingAccruedInterest1.21.3

us-gaap:FairValueMeasurementsRecurring, us-gaap:TrustPreferredSecuritiesSubjectToMandatoryRedemption


Debt
Period End2020-12-31
Value4.67
Percentage of DebtSecuritiesAvailableForSaleExcludingAccruedInterest0.4

us-gaap:FairValueMeasurementsRecurring, us-gaap:USGovernmentAgenciesDebtSecurities


Debt
Period End2021-06-302020-12-31
Value3925
Percentage of DebtSecuritiesAvailableForSaleExcludingAccruedInterest2.41.9

us-gaap:DebtSecuritiesAvailableForSaleExcludingAccruedInterest us-gaap:FinancialInstrument

clbk:DebtSecuritiesExcludingMortgageBasedSecurities


Debt
Period End2021-06-30
Value124
Percentage of DebtSecuritiesAvailableForSaleExcludingAccruedInterest7.6

us-gaap:CorporateDebtSecurities


Debt
Period End2021-06-302020-12-31
Value6469
Percentage of DebtSecuritiesAvailableForSaleExcludingAccruedInterest4.05.3

us-gaap:MortgageBackedSecurities


Debt
Period End2021-06-302020-12-31
Value15181200
Percentage of DebtSecuritiesAvailableForSaleExcludingAccruedInterest92.491.1

us-gaap:MunicipalBonds


Debt
Period End2021-06-302020-12-31
Value1916
Percentage of DebtSecuritiesAvailableForSaleExcludingAccruedInterest1.21.3

us-gaap:TrustPreferredSecuritiesSubjectToMandatoryRedemption


Debt
Period End2020-12-31
Value4.67
Percentage of DebtSecuritiesAvailableForSaleExcludingAccruedInterest0.4

us-gaap:USGovernmentAgenciesDebtSecurities


Debt
Period End2021-06-302020-12-31
Value3925
Percentage of DebtSecuritiesAvailableForSaleExcludingAccruedInterest2.41.9

us-gaap:DebtSecuritiesAvailableForSaleRestricted

us-gaap:DebtSecuritiesAvailableForSaleRestricted


Debt
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-31
Value626788822800769649462203210246232
Percentage of DebtSecuritiesAvailableForSaleRestricted100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DebtSecuritiesAvailableForSaleUnrealizedLossPosition

us-gaap:DebtSecuritiesAvailableForSaleUnrealizedLossPosition


Debt
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-31
Value413469162185100126259163270657770
Percentage of DebtSecuritiesAvailableForSaleUnrealizedLossPosition100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DebtSecuritiesAvailableForSaleUnrealizedLossPosition us-gaap:FinancialInstrument

us-gaap:CorporateDebtSecurities


Debt
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-31
Value4.859.686155.49620307.21514243635
Percentage of DebtSecuritiesAvailableForSaleUnrealizedLossPosition1.22.19.63.020.224.12.88.78.95.54.7

us-gaap:MortgageBackedSecurities


Debt
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-31
Value4034401411757592236130222582686
Percentage of DebtSecuritiesAvailableForSaleUnrealizedLossPosition97.693.887.594.675.572.791.379.482.088.689.1

us-gaap:TrustPreferredSecuritiesSubjectToMandatoryRedemption


Debt
Period End2021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-31
Value4.6974.674.4594.2984.0814.6054.5414.5074.5374.25
Percentage of DebtSecuritiesAvailableForSaleUnrealizedLossPosition1.02.92.44.33.21.82.81.70.70.6

us-gaap:USGovernmentAgenciesDebtSecurities


Debt
Period End2021-06-302021-03-312020-03-312019-12-312019-09-302019-06-302019-03-312018-12-31
Value4.902140.01014193444
Percentage of DebtSecuritiesAvailableForSaleUnrealizedLossPosition1.23.10.03.99.17.45.25.7

us-gaap:DebtSecuritiesAvailableForSaleUnrealizedLossPositionAccumulatedLoss

us-gaap:DebtSecuritiesAvailableForSaleUnrealizedLossPositionAccumulatedLoss


Debt
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-31
Value5.626101.3071.4881.8273.7792.0551.6542.9381120
Percentage of DebtSecuritiesAvailableForSaleUnrealizedLossPositionAccumulatedLoss100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DebtSecuritiesAvailableForSaleUnrealizedLossPositionAccumulatedLoss us-gaap:FinancialInstrument

us-gaap:CorporateDebtSecurities


Debt
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-31
Value0.150.3140.4150.5050.7492.0440.3780.6690.7860.7921.155
Percentage of DebtSecuritiesAvailableForSaleUnrealizedLossPositionAccumulatedLoss2.73.131.833.941.054.118.440.426.86.85.8

us-gaap:MortgageBackedSecurities


Debt
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-31
Value5.3969.2680.5620.4430.3770.8171.2650.5041.6131017
Percentage of DebtSecuritiesAvailableForSaleUnrealizedLossPositionAccumulatedLoss95.992.343.029.820.621.661.630.554.986.386.9

us-gaap:TrustPreferredSecuritiesSubjectToMandatoryRedemption


Debt
Period End2021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-31
Value0.3040.330.540.7010.9180.3950.4590.4930.4630.75
Percentage of DebtSecuritiesAvailableForSaleUnrealizedLossPositionAccumulatedLoss3.025.236.338.424.319.227.816.84.03.7

us-gaap:USGovernmentAgenciesDebtSecurities


Debt
Period End2021-06-302021-03-312020-03-312019-12-312019-09-302019-06-302019-03-312018-12-31
Value0.080.1550.00.0160.0220.0460.3440.717
Percentage of DebtSecuritiesAvailableForSaleUnrealizedLossPositionAccumulatedLoss1.41.50.00.81.31.62.93.6

us-gaap:DebtWeightedAverageInterestRate

us-gaap:DebtWeightedAverageInterestRate


Debt
Period End2020-12-312019-12-312018-12-312017-12-31
Value1.20.02140.02430.0225
Percentage of DebtWeightedAverageInterestRate100.0100.0100.0100.0

us-gaap:DebtWeightedAverageInterestRate us-gaap:LongtermDebtType

us-gaap:FederalHomeLoanBankAdvances


Debt
Period End2020-12-312019-12-312018-12-312017-12-31
Value1.180.02090.0240.0192
Percentage of DebtWeightedAverageInterestRate98.397.798.885.3

us-gaap:JuniorSubordinatedDebt


Debt
Period End2020-12-312019-12-312018-12-312017-12-31
Value3.20.050900.08
Percentage of DebtWeightedAverageInterestRate266.7237.90.0355.6

us-gaap:DeferredIncomeTaxLiabilities

us-gaap:DeferredIncomeTaxLiabilities


Deferred
Period End2020-12-312019-12-312018-12-312017-12-31
Value71413332
Percentage of DeferredIncomeTaxLiabilities100.0100.0100.0100.0

us-gaap:DeferredTaxAssetsCharitableContributionCarryforwards

us-gaap:DeferredTaxAssetsCharitableContributionCarryforwards


Deferred
Period End2020-12-312019-12-312018-12-312017-12-31
Value6359000.05981000.06085000.00
Percentage of DeferredTaxAssetsCharitableContributionCarryforwards100.0100.0100.00.0

us-gaap:DeferredTaxAssetsGross

us-gaap:DeferredTaxAssetsGross


Deferred
Period End2020-12-312019-12-312018-12-312017-12-31
Value82585244
Percentage of DeferredTaxAssetsGross100.0100.0100.0100.0

us-gaap:DeferredTaxAssetsOperatingLossCarryforwards

us-gaap:DeferredTaxAssetsOperatingLossCarryforwards


Deferred
Period End2020-12-312019-12-312018-12-31
Value9719000.08333000.02063000.0
Percentage of DeferredTaxAssetsOperatingLossCarryforwards100.0100.0100.0

us-gaap:DeferredTaxAssetsOperatingLossCarryforwardsSubjectToExpiration us-gaap:BusinessAcquisition

us-gaap:DeferredTaxAssetsOperatingLossCarryforwardsSubjectToExpiration

clbk:StewardshipFinancialCorporation


Deferred
Period End2020-12-31
Value1000000.0
Percentage of DeferredTaxAssetsOperatingLossCarryforwardsSubjectToExpiration100.0

us-gaap:DeferredTaxAssetsOther

us-gaap:DeferredTaxAssetsOther


Deferred
Period End2020-12-312019-12-312018-12-312017-12-31
Value3215000.0332000.0670000.01595000.0
Percentage of DeferredTaxAssetsOther100.0100.0100.0100.0

us-gaap:DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsEmployeeCompensation

us-gaap:DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsEmployeeCompensation


Deferred
Period End2020-12-312019-12-312018-12-312017-12-31
Value2779000.02085000.02228000.01939000.0
Percentage of DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsEmployeeCompensation100.0100.0100.0100.0

us-gaap:DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsPostretirementBenefits

us-gaap:DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsPostretirementBenefits


Deferred
Period End2020-12-312019-12-312018-12-312017-12-31
Value5928000.04089000.03720000.03414000.0
Percentage of DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsPostretirementBenefits100.0100.0100.0100.0

us-gaap:DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsShareBasedCompensationCost

us-gaap:DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsShareBasedCompensationCost


Deferred
Period End2020-12-312019-12-312018-12-312017-12-31
Value2724000.0788000.035000.00
Percentage of DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsShareBasedCompensationCost100.0100.0100.00.0

us-gaap:DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsProvisionForLoanLosses

us-gaap:DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsProvisionForLoanLosses


Deferred
Period End2020-12-312019-12-312018-12-312017-12-31
Value20131312
Percentage of DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsProvisionForLoanLosses100.0100.0100.0100.0

us-gaap:DeferredTaxLiabilitiesFinancingArrangements

us-gaap:DeferredTaxLiabilitiesFinancingArrangements


Deferred
Period End2020-12-312019-12-312018-12-312017-12-31
Value8555000.05911000.05736000.04257000.0
Percentage of DeferredTaxLiabilitiesFinancingArrangements100.0100.0100.0100.0

us-gaap:DeferredTaxLiabilitiesGoodwillAndIntangibleAssetsIntangibleAssets

us-gaap:DeferredTaxLiabilitiesGoodwillAndIntangibleAssetsIntangibleAssets


Deferred
Period End2020-12-312019-12-312018-12-312017-12-31
Value1597000.01215000.01621000.01642000.0
Percentage of DeferredTaxLiabilitiesGoodwillAndIntangibleAssetsIntangibleAssets100.0100.0100.0100.0

us-gaap:DeferredTaxLiabilitiesLeasingArrangements

us-gaap:DeferredTaxLiabilitiesLeasingArrangements


Deferred
Period End2020-12-31
Value5317000.0
Percentage of DeferredTaxLiabilitiesLeasingArrangements100.0

us-gaap:DeferredTaxLiabilitiesOther

us-gaap:DeferredTaxLiabilitiesOther


Deferred
Period End2020-12-312019-12-312018-12-312017-12-31
Value716000.0266000.034000.048000.0
Percentage of DeferredTaxLiabilitiesOther100.0100.0100.0100.0

us-gaap:DefinedBenefitPlanAccumulatedOtherComprehensiveIncomeBeforeTax us-gaap:RetirementPlanType

us-gaap:DefinedBenefitPlanAccumulatedOtherComprehensiveIncomeBeforeTax

us-gaap:DefinedBenefitPostretirementLifeInsurance


Defined
Period End2020-12-312019-12-312018-12-31
Value-9146000.0-6519000.0-4175000.0
Percentage of DefinedBenefitPlanAccumulatedOtherComprehensiveIncomeBeforeTax100.0100.0100.0

us-gaap:OtherPostretirementBenefitPlansDefinedBenefit


Defined
Period End2020-12-312019-12-312018-12-312017-12-312017-09-302016-09-30
Value-12417000.0-7221000.0-4226000.0-6289000.0-4471000.0-8098000.0
Percentage of DefinedBenefitPlanAccumulatedOtherComprehensiveIncomeBeforeTax135.8110.8101.20.00.00.0

us-gaap:PensionPlansDefinedBenefit


Defined
Period End2020-12-312019-12-312018-12-312017-12-312017-09-302016-09-30
Value-76686000.0-68752000.0-59579000.0-61731000.0-55438000.0-74768000.0
Percentage of DefinedBenefitPlanAccumulatedOtherComprehensiveIncomeBeforeTax838.51054.61427.00.00.00.0

us-gaap:SupplementalEmployeeRetirementPlanDefinedBenefit


Defined
Period End2020-12-312019-12-312018-12-312017-12-312017-09-302016-09-30
Value-7686000.0-5577000.0-3748000.0-5515000.0-4725000.0-5154000.0
Percentage of DefinedBenefitPlanAccumulatedOtherComprehensiveIncomeBeforeTax84.085.589.80.00.00.0

us-gaap:DefinedBenefitPlanAccumulatedOtherComprehensiveIncomeNetGainsLossesBeforeTax us-gaap:RetirementPlanType

us-gaap:DefinedBenefitPlanAccumulatedOtherComprehensiveIncomeNetGainsLossesBeforeTax

us-gaap:DefinedBenefitPostretirementLifeInsurance


Defined
Period End2020-12-312019-12-312018-12-31
Value8.7416.0583.658
Percentage of DefinedBenefitPlanAccumulatedOtherComprehensiveIncomeNetGainsLossesBeforeTax100.0100.0100.0

us-gaap:OtherPostretirementBenefitPlansDefinedBenefit


Defined
Period End2020-12-312019-12-312018-12-312017-12-312017-09-302016-09-30
Value127.2214.2266.3954.6118.374
Percentage of DefinedBenefitPlanAccumulatedOtherComprehensiveIncomeNetGainsLossesBeforeTax142.1119.2115.50.00.00.0

us-gaap:PensionPlansDefinedBenefit


Defined
Period End2020-12-312019-12-312018-12-312017-12-312017-09-302016-09-30
Value766859615574
Percentage of DefinedBenefitPlanAccumulatedOtherComprehensiveIncomeNetGainsLossesBeforeTax877.31134.91628.70.00.00.0

us-gaap:SupplementalEmployeeRetirementPlanDefinedBenefit


Defined
Period End2020-12-312019-12-312018-12-312017-12-312017-09-302016-09-30
Value7.6865.5773.7485.5154.7255.154
Percentage of DefinedBenefitPlanAccumulatedOtherComprehensiveIncomeNetGainsLossesBeforeTax87.992.1102.50.00.00.0

us-gaap:DefinedBenefitPlanAccumulatedOtherComprehensiveIncomeNetPriorServiceCostCreditBeforeTax us-gaap:RetirementPlanType

us-gaap:DefinedBenefitPlanAccumulatedOtherComprehensiveIncomeNetPriorServiceCostCreditBeforeTax

us-gaap:DefinedBenefitPostretirementLifeInsurance


Defined
Period End2020-12-312019-12-312018-12-31
Value-405000.0-461000.0-517000.0
Percentage of DefinedBenefitPlanAccumulatedOtherComprehensiveIncomeNetPriorServiceCostCreditBeforeTax100.0100.0100.0

us-gaap:DefinedBenefitPlanAssumptionsUsedCalculatingBenefitObligationDiscountRate us-gaap:RetirementPlanType

us-gaap:DefinedBenefitPlanAssumptionsUsedCalculatingBenefitObligationDiscountRate

us-gaap:DefinedBenefitPostretirementLifeInsurance


Defined
Period End2020-12-312019-12-312018-12-31
Value3.013.544.63
Percentage of DefinedBenefitPlanAssumptionsUsedCalculatingBenefitObligationDiscountRate100.0100.0100.0

us-gaap:OtherPostretirementBenefitPlansDefinedBenefit


Defined
Period End2020-12-312019-12-312018-12-312017-12-312017-09-302016-09-30
Value2.590.03270.04410.03630.03880.0363
Percentage of DefinedBenefitPlanAssumptionsUsedCalculatingBenefitObligationDiscountRate86.00.91.00.00.00.0

us-gaap:PensionPlansDefinedBenefit


Defined
Period End2020-12-312019-12-312018-12-312017-12-312017-09-302016-09-30
Value2.920.03490.04570.03750.040.0388
Percentage of DefinedBenefitPlanAssumptionsUsedCalculatingBenefitObligationDiscountRate97.01.01.00.00.00.0

us-gaap:SupplementalEmployeeRetirementPlanDefinedBenefit


Defined
Period End2020-12-312019-12-312018-12-312017-12-312017-09-302016-09-30
Value2.670.03330.04470.03630.03880.0363
Percentage of DefinedBenefitPlanAssumptionsUsedCalculatingBenefitObligationDiscountRate88.70.91.00.00.00.0

us-gaap:DefinedBenefitPlanAssumptionsUsedCalculatingBenefitObligationRateOfCompensationIncrease us-gaap:RetirementPlanType

us-gaap:DefinedBenefitPlanAssumptionsUsedCalculatingBenefitObligationRateOfCompensationIncrease

us-gaap:DefinedBenefitPostretirementLifeInsurance


Defined
Period End2020-12-312019-12-312018-12-31
Value3.753.53.5
Percentage of DefinedBenefitPlanAssumptionsUsedCalculatingBenefitObligationRateOfCompensationIncrease100.0100.0100.0

us-gaap:PensionPlansDefinedBenefit


Defined
Period End2020-12-312019-12-312018-12-312017-12-312017-09-302016-09-30
Value3.750.0350.0350.0350.0350.035
Percentage of DefinedBenefitPlanAssumptionsUsedCalculatingBenefitObligationRateOfCompensationIncrease100.01.01.00.00.00.0

us-gaap:SupplementalEmployeeRetirementPlanDefinedBenefit


Defined
Period End2020-12-312019-12-312018-12-312017-12-312017-09-302016-09-30
Value3.750.0350.0350.0350.0350.035
Percentage of DefinedBenefitPlanAssumptionsUsedCalculatingBenefitObligationRateOfCompensationIncrease100.01.01.00.00.00.0

us-gaap:DefinedBenefitPlanBenefitObligation us-gaap:RetirementPlanType

us-gaap:DefinedBenefitPlanBenefitObligation

us-gaap:DefinedBenefitPostretirementLifeInsurance


Defined
Period End2020-12-312019-12-312018-12-31
Value191410
Percentage of DefinedBenefitPlanBenefitObligation100.0100.0100.0

us-gaap:OtherPostretirementBenefitPlansDefinedBenefit


Defined
Period End2020-12-312019-12-312018-12-312017-12-312016-12-31
Value3024202222
Percentage of DefinedBenefitPlanBenefitObligation153.3174.5200.40.00.0

us-gaap:PensionPlansDefinedBenefit


Defined
Period End2020-12-312019-12-312018-12-312017-12-312016-12-31
Value312263209229216
Percentage of DefinedBenefitPlanBenefitObligation1563.71871.11999.70.00.0

us-gaap:SupplementalEmployeeRetirementPlanDefinedBenefit


Defined
Period End2020-12-312019-12-312018-12-312017-12-312016-12-31
Value1613111211
Percentage of DefinedBenefitPlanBenefitObligation82.797.1107.90.00.0

us-gaap:DefinedBenefitPlanExpectedFutureBenefitPaymentsFiveFiscalYearsThereafter us-gaap:RetirementPlanType

us-gaap:DefinedBenefitPlanExpectedFutureBenefitPaymentsFiveFiscalYearsThereafter

us-gaap:DefinedBenefitPostretirementLifeInsurance


Defined
Period End2020-12-31
Value3.179
Percentage of DefinedBenefitPlanExpectedFutureBenefitPaymentsFiveFiscalYearsThereafter100.0

us-gaap:OtherPostretirementBenefitPlansDefinedBenefit


Defined
Period End2020-12-312019-12-312018-12-31
Value8.827.276.84
Percentage of DefinedBenefitPlanExpectedFutureBenefitPaymentsFiveFiscalYearsThereafter277.40.00.0

us-gaap:PensionPlansDefinedBenefit


Defined
Period End2020-12-312019-12-312018-12-31
Value685752
Percentage of DefinedBenefitPlanExpectedFutureBenefitPaymentsFiveFiscalYearsThereafter2169.80.00.0

us-gaap:SupplementalEmployeeRetirementPlanDefinedBenefit


Defined
Period End2020-12-312019-12-312018-12-31
Value4.4153.6053.318
Percentage of DefinedBenefitPlanExpectedFutureBenefitPaymentsFiveFiscalYearsThereafter138.90.00.0

us-gaap:DefinedBenefitPlanExpectedFutureBenefitPaymentsNextTwelveMonths us-gaap:RetirementPlanType

us-gaap:DefinedBenefitPlanExpectedFutureBenefitPaymentsNextTwelveMonths

us-gaap:DefinedBenefitPostretirementLifeInsurance


Defined
Period End2020-12-31
Value270000.0
Percentage of DefinedBenefitPlanExpectedFutureBenefitPaymentsNextTwelveMonths100.0

us-gaap:OtherPostretirementBenefitPlansDefinedBenefit


Defined
Period End2020-12-312019-12-312018-12-31
Value1490000.01246000.01079000.0
Percentage of DefinedBenefitPlanExpectedFutureBenefitPaymentsNextTwelveMonths551.90.00.0

us-gaap:PensionPlansDefinedBenefit


Defined
Period End2020-12-312019-12-312018-12-31
Value8568000.06675000.05791000.0
Percentage of DefinedBenefitPlanExpectedFutureBenefitPaymentsNextTwelveMonths3173.30.00.0

us-gaap:SupplementalEmployeeRetirementPlanDefinedBenefit


Defined
Period End2020-12-312019-12-312018-12-31
Value384000.0361000.0329000.0
Percentage of DefinedBenefitPlanExpectedFutureBenefitPaymentsNextTwelveMonths142.20.00.0

us-gaap:DefinedBenefitPlanExpectedFutureBenefitPaymentsYearFive us-gaap:RetirementPlanType

us-gaap:DefinedBenefitPlanExpectedFutureBenefitPaymentsYearFive

us-gaap:DefinedBenefitPostretirementLifeInsurance


Defined
Period End2020-12-31
Value0.461
Percentage of DefinedBenefitPlanExpectedFutureBenefitPaymentsYearFive100.0

us-gaap:OtherPostretirementBenefitPlansDefinedBenefit


Defined
Period End2020-12-312019-12-312018-12-31
Value1.6751.3461.249
Percentage of DefinedBenefitPlanExpectedFutureBenefitPaymentsYearFive363.30.00.0

us-gaap:PensionPlansDefinedBenefit


Defined
Period End2020-12-312019-12-312018-12-31
Value119.1128.167
Percentage of DefinedBenefitPlanExpectedFutureBenefitPaymentsYearFive2470.30.00.0

us-gaap:SupplementalEmployeeRetirementPlanDefinedBenefit


Defined
Period End2020-12-312019-12-312018-12-31
Value0.7780.5210.458
Percentage of DefinedBenefitPlanExpectedFutureBenefitPaymentsYearFive168.80.00.0

us-gaap:DefinedBenefitPlanExpectedFutureBenefitPaymentsYearFour us-gaap:RetirementPlanType

us-gaap:DefinedBenefitPlanExpectedFutureBenefitPaymentsYearFour

us-gaap:DefinedBenefitPostretirementLifeInsurance


Defined
Period End2020-12-31
Value0.412
Percentage of DefinedBenefitPlanExpectedFutureBenefitPaymentsYearFour100.0

us-gaap:OtherPostretirementBenefitPlansDefinedBenefit


Defined
Period End2020-12-312019-12-312018-12-31
Value1.6221.3511.212
Percentage of DefinedBenefitPlanExpectedFutureBenefitPaymentsYearFour393.70.00.0

us-gaap:PensionPlansDefinedBenefit


Defined
Period End2020-12-312019-12-312018-12-31
Value108.4127.471
Percentage of DefinedBenefitPlanExpectedFutureBenefitPaymentsYearFour2570.90.00.0

us-gaap:SupplementalEmployeeRetirementPlanDefinedBenefit


Defined
Period End2020-12-312019-12-312018-12-31
Value0.6730.4570.416
Percentage of DefinedBenefitPlanExpectedFutureBenefitPaymentsYearFour163.30.00.0

us-gaap:DefinedBenefitPlanExpectedFutureBenefitPaymentsYearThree us-gaap:RetirementPlanType

us-gaap:DefinedBenefitPlanExpectedFutureBenefitPaymentsYearThree

us-gaap:DefinedBenefitPostretirementLifeInsurance


Defined
Period End2020-12-31
Value363000.0
Percentage of DefinedBenefitPlanExpectedFutureBenefitPaymentsYearThree100.0

us-gaap:OtherPostretirementBenefitPlansDefinedBenefit


Defined
Period End2020-12-312019-12-312018-12-31
Value1559000.01337000.01171000.0
Percentage of DefinedBenefitPlanExpectedFutureBenefitPaymentsYearThree429.50.00.0

us-gaap:PensionPlansDefinedBenefit


Defined
Period End2020-12-312019-12-312018-12-31
Value9847000.07760000.06892000.0
Percentage of DefinedBenefitPlanExpectedFutureBenefitPaymentsYearThree2712.70.00.0

us-gaap:SupplementalEmployeeRetirementPlanDefinedBenefit


Defined
Period End2020-12-312019-12-312018-12-31
Value534000.0417000.0377000.0
Percentage of DefinedBenefitPlanExpectedFutureBenefitPaymentsYearThree147.10.00.0

us-gaap:DefinedBenefitPlanExpectedFutureBenefitPaymentsYearTwo us-gaap:RetirementPlanType

us-gaap:DefinedBenefitPlanExpectedFutureBenefitPaymentsYearTwo

us-gaap:DefinedBenefitPostretirementLifeInsurance


Defined
Period End2020-12-31
Value312000.0
Percentage of DefinedBenefitPlanExpectedFutureBenefitPaymentsYearTwo100.0

us-gaap:OtherPostretirementBenefitPlansDefinedBenefit


Defined
Period End2020-12-312019-12-312018-12-31
Value1525000.01293000.01114000.0
Percentage of DefinedBenefitPlanExpectedFutureBenefitPaymentsYearTwo488.80.00.0

us-gaap:PensionPlansDefinedBenefit


Defined
Period End2020-12-312019-12-312018-12-31
Value9141000.07209000.06301000.0
Percentage of DefinedBenefitPlanExpectedFutureBenefitPaymentsYearTwo2929.80.00.0

us-gaap:SupplementalEmployeeRetirementPlanDefinedBenefit


Defined
Period End2020-12-312019-12-312018-12-31
Value436000.0379000.0341000.0
Percentage of DefinedBenefitPlanExpectedFutureBenefitPaymentsYearTwo139.70.00.0

us-gaap:DefinedBenefitPlanFairValueOfPlanAssets us-gaap:DefinedBenefitPlanByPlanAssetCategories, us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:RetirementPlanType

us-gaap:DefinedBenefitPlanFairValueOfPlanAssets

clbk:DefinedBenefitPlanEquitySecuritiesUSInstitutionalStockIndex, us-gaap:FairValueInputsLevel1, us-gaap:PensionPlansDefinedBenefit


Defined
Period End2020-12-312019-12-312018-12-312017-12-31
Value1511137382
Percentage of DefinedBenefitPlanFairValueOfPlanAssets100.0100.0100.0100.0

clbk:DefinedBenefitPlanEquitySecuritiesUSValueStockFund, us-gaap:FairValueInputsLevel1, us-gaap:PensionPlansDefinedBenefit


Defined
Period End2020-12-312019-12-312018-12-312017-12-31
Value29272227
Percentage of DefinedBenefitPlanFairValueOfPlanAssets19.824.630.733.0

us-gaap:DefinedBenefitPlanCash, us-gaap:FairValueInputsLevel1, us-gaap:PensionPlansDefinedBenefit


Defined
Period End2020-12-312019-12-312018-12-312017-12-31
Value1.4341.4623.4595.236
Percentage of DefinedBenefitPlanFairValueOfPlanAssets0.91.34.76.3

us-gaap:DefinedBenefitPlanEquitySecuritiesNonUs, us-gaap:FairValueInputsLevel1, us-gaap:PensionPlansDefinedBenefit


Defined
Period End2020-12-312019-12-312018-12-312017-12-31
Value55342940
Percentage of DefinedBenefitPlanFairValueOfPlanAssets36.530.440.148.8

us-gaap:DefinedBenefitPlanRealEstate, us-gaap:FairValueInputsLevel2, us-gaap:PensionPlansDefinedBenefit


Defined
Period End2020-12-312019-12-312018-12-312017-12-31
Value17212826
Percentage of DefinedBenefitPlanFairValueOfPlanAssets11.919.138.932.4

us-gaap:FixedIncomeFunds, us-gaap:FairValueInputsLevel1, us-gaap:PensionPlansDefinedBenefit


Defined
Period End2020-12-312019-12-312018-12-312017-12-31
Value155158115106
Percentage of DefinedBenefitPlanFairValueOfPlanAssets102.9139.7157.2128.8

us-gaap:DefinedBenefitPlanFairValueOfPlanAssets us-gaap:DefinedBenefitPlanByPlanAssetCategories, us-gaap:RetirementPlanType

clbk:DefinedBenefitPlanEquitySecuritiesUSInstitutionalStockIndex, us-gaap:PensionPlansDefinedBenefit


Defined
Period End2020-12-312019-12-312018-12-312017-12-31
Value1511137382
Percentage of DefinedBenefitPlanFairValueOfPlanAssets100.0100.0100.0100.0

clbk:DefinedBenefitPlanEquitySecuritiesUSValueStockFund, us-gaap:PensionPlansDefinedBenefit


Defined
Period End2020-12-312019-12-312018-12-312017-12-31
Value29272227
Percentage of DefinedBenefitPlanFairValueOfPlanAssets19.824.630.733.0

us-gaap:DefinedBenefitPlanCash, us-gaap:PensionPlansDefinedBenefit


Defined
Period End2020-12-312019-12-312018-12-312017-12-31
Value1.4341.4623.4595.236
Percentage of DefinedBenefitPlanFairValueOfPlanAssets0.91.34.76.3

us-gaap:DefinedBenefitPlanEquitySecuritiesNonUs, us-gaap:PensionPlansDefinedBenefit


Defined
Period End2020-12-312019-12-312018-12-312017-12-31
Value55342940
Percentage of DefinedBenefitPlanFairValueOfPlanAssets36.530.440.148.8

us-gaap:DefinedBenefitPlanRealEstate, us-gaap:PensionPlansDefinedBenefit


Defined
Period End2020-12-312019-12-312018-12-312017-12-31
Value17212826
Percentage of DefinedBenefitPlanFairValueOfPlanAssets11.919.138.932.4

us-gaap:FixedIncomeFunds, us-gaap:PensionPlansDefinedBenefit


Defined
Period End2020-12-312019-12-312018-12-312017-12-31
Value155158115106
Percentage of DefinedBenefitPlanFairValueOfPlanAssets102.9139.7157.2128.8

us-gaap:DefinedBenefitPlanFairValueOfPlanAssets us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:RetirementPlanType

us-gaap:FairValueInputsLevel1, us-gaap:PensionPlansDefinedBenefit


Defined
Period End2020-12-312019-12-312018-12-312017-12-31
Value393334244262
Percentage of DefinedBenefitPlanFairValueOfPlanAssets260.1296.0332.7317.0

us-gaap:FairValueInputsLevel2, us-gaap:PensionPlansDefinedBenefit


Defined
Period End2020-12-312019-12-312018-12-312017-12-31
Value17212826
Percentage of DefinedBenefitPlanFairValueOfPlanAssets11.919.138.932.4

us-gaap:DefinedBenefitPlanFairValueOfPlanAssets us-gaap:RetirementPlanType

us-gaap:PensionPlansDefinedBenefit


Defined
Period End2020-12-312019-12-312018-12-312017-12-312016-12-31
Value411356272289257
Percentage of DefinedBenefitPlanFairValueOfPlanAssets272.0315.1371.6349.40.0

us-gaap:DefinedBenefitPlanFundedStatusOfPlan us-gaap:RetirementPlanType

us-gaap:DefinedBenefitPlanFundedStatusOfPlan

us-gaap:DefinedBenefitPostretirementLifeInsurance


Defined
Period End2020-12-312019-12-31
Value-19.981-14.1
Percentage of DefinedBenefitPlanFundedStatusOfPlan100.0100.0

us-gaap:OtherPostretirementBenefitPlansDefinedBenefit


Defined
Period End2020-12-312019-12-312018-12-312017-12-31
Value-30.621-24.603-20.964-22.078
Percentage of DefinedBenefitPlanFundedStatusOfPlan153.3174.50.00.0

us-gaap:PensionPlansDefinedBenefit


Defined
Period End2020-12-312019-12-312018-12-312017-12-31
Value99926360
Percentage of DefinedBenefitPlanFundedStatusOfPlan-497.8-656.20.00.0

us-gaap:SupplementalEmployeeRetirementPlanDefinedBenefit


Defined
Period End2020-12-312019-12-312018-12-312017-12-31
Value-16.53-13.696-11.285-12.243
Percentage of DefinedBenefitPlanFundedStatusOfPlan82.797.10.00.0

us-gaap:DefinedBenefitPlanWeightedAverageAssetAllocations us-gaap:DefinedBenefitPlanByPlanAssetCategories, us-gaap:RetirementPlanType

us-gaap:DefinedBenefitPlanWeightedAverageAssetAllocations

us-gaap:DefinedBenefitPlanCash, us-gaap:PensionPlansDefinedBenefit


Defined
Period End2020-12-312019-12-312018-12-312017-12-31
Value0.30.0040.0120.018
Percentage of DefinedBenefitPlanWeightedAverageAssetAllocations100.0100.0100.0100.0

us-gaap:DefinedBenefitPlanEquitySecuritiesNonUs, us-gaap:PensionPlansDefinedBenefit


Defined
Period End2020-12-312019-12-312018-12-312017-12-31
Value13.40.0960.1080.139
Percentage of DefinedBenefitPlanWeightedAverageAssetAllocations4466.72400.0900.0772.2

us-gaap:DefinedBenefitPlanEquitySecuritiesUs, us-gaap:PensionPlansDefinedBenefit


Defined
Period End2020-12-312019-12-312018-12-312017-12-31
Value44.10.3960.3520.381
Percentage of DefinedBenefitPlanWeightedAverageAssetAllocations14700.09900.02933.32116.7

us-gaap:DefinedBenefitPlanRealEstate, us-gaap:PensionPlansDefinedBenefit


Defined
Period End2020-12-312019-12-312018-12-312017-12-31
Value4.40.0610.1050.093
Percentage of DefinedBenefitPlanWeightedAverageAssetAllocations1466.71525.0875.0516.7

us-gaap:FixedIncomeFunds, us-gaap:PensionPlansDefinedBenefit


Defined
Period End2020-12-312019-12-312018-12-312017-12-31
Value37.80.4430.4230.369
Percentage of DefinedBenefitPlanWeightedAverageAssetAllocations12600.011075.03525.02050.0

us-gaap:DefinedBenefitPlanWeightedAverageAssetAllocations us-gaap:RetirementPlanType

us-gaap:PensionPlansDefinedBenefit


Defined
Period End2020-12-312019-12-312018-12-312017-12-31
Value100.01.01.01.0
Percentage of DefinedBenefitPlanWeightedAverageAssetAllocations33333.325000.08333.35555.6

us-gaap:Deposits

us-gaap:Deposits


Deposits
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value7079699667786629658157725645478346684606441343724294539542634123
Percentage of Deposits100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DepositsFairValueDisclosure us-gaap:FairValueByFairValueHierarchyLevel

us-gaap:DepositsFairValueDisclosure

us-gaap:FairValueInputsLevel2


Deposits
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value7084700467936649660557955654478946724601440243554282538239593880
Percentage of DepositsFairValueDisclosure100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DepositsFairValueDisclosure us-gaap:FairValueByMeasurementBasis

us-gaap:CarryingReportedAmountFairValueDisclosure


Deposits
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value7079699667786629658157725645478346684606441343724294539542634123
Percentage of DepositsFairValueDisclosure99.999.999.899.799.699.699.999.999.9100.1100.3100.4100.3100.2107.7106.3

us-gaap:EstimateOfFairValueFairValueDisclosure


Deposits
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value7084700467936649660557955654478946724601440243554282538239593880
Percentage of DepositsFairValueDisclosure100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DepositsMoneyMarketDeposits

us-gaap:DepositsMoneyMarketDeposits


Deposits
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value645621588540501423410262261259259281277358262273
Percentage of DepositsMoneyMarketDeposits100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DepositsSavingsDeposits

us-gaap:DepositsSavingsDeposits


Deposits
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value7497326886526525505434644864975105185371490544546
Percentage of DepositsSavingsDeposits100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

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

us-gaap:DerivativeAssets

us-gaap:OtherAssets, us-gaap:InterestRateSwap, us-gaap:DesignatedAsHedgingInstrument


Derivative
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302018-12-31
Value121019220.00.00.1858.741.342
Percentage of DerivativeAssets100.0100.0100.0100.00.00.0100.0100.0100.0

us-gaap:DerivativeAssets us-gaap:FairValueByFairValueHierarchyLevel

us-gaap:FairValueInputsLevel2


Derivative
Period End2021-06-302021-03-312020-12-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value1210190.1858.744.2272.2131.3422.6250.9650.6690.490.277
Percentage of DerivativeAssets100.0100.0100.0100.0100.00.00.0100.00.00.00.00.00.0

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

us-gaap:FairValueInputsLevel2, us-gaap:FairValueMeasurementsRecurring


Derivative
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-0