BRKL


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

Table of contents



us-gaap:CommonStockValue
us-gaap:ConsolidatedEntities

us-gaap:WeightedAverageNumberOfDilutedSharesOutstanding

us-gaap:WeightedAverageNumberOfSharesOutstandingBasic

us-gaap:EarningsPerShareBasic

us-gaap:EarningsPerShareDiluted

us-gaap:TierOneRiskBasedCapitalToRiskWeightedAssets
dei:LegalEntity
us-gaap:ConsolidatedEntities

us-gaap:CapitalToRiskWeightedAssets
dei:LegalEntity
us-gaap:ConsolidatedEntities

us-gaap:AllocatedShareBasedCompensationExpense
us-gaap:PlanName

us-gaap:ComprehensiveIncomeNetOfTax

us-gaap:ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest

us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments

us-gaap:IncomeTaxExpenseBenefit

us-gaap:IncomeTaxesPaid

us-gaap:InterestAndFeeIncomeLoansAndLeases

us-gaap:InterestExpense

us-gaap:InterestIncomeExpenseNet

us-gaap:InterestPaidNet

us-gaap:MarketingAndAdvertisingExpense

us-gaap:NetIncomeLoss
us-gaap:StatementEquityComponents

us-gaap:NetIncomeLossAvailableToCommonStockholdersBasic
us-gaap:StatementEquityComponents

us-gaap:OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationAndTax

us-gaap:OtherComprehensiveIncomeLossNetOfTax
us-gaap:StatementEquityComponents

us-gaap:ProfitLoss
us-gaap:ProductOrService
us-gaap:RevenueFromContractWithCustomerIncludingAssessedTax

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:TierOneRiskBasedCapital
dei:LegalEntity
us-gaap:ConsolidatedEntities

us-gaap:CashAndCashEquivalentsAtCarryingValue
us-gaap:ConsolidatedEntities

us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents

us-gaap:PropertyPlantAndEquipmentGross
us-gaap:PropertyPlantAndEquipmentByType

us-gaap:AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment

us-gaap:AmortizationOfIntangibleAssets

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

us-gaap:Goodwill

us-gaap:IntangibleAssetsNetExcludingGoodwill
us-gaap:FiniteLivedIntangibleAssetsByMajorClass

us-gaap:FiniteLivedIntangibleAssetsNet

us-gaap:IntangibleAssetsNetIncludingGoodwill

us-gaap:DeferredTaxAssetsLiabilitiesNet

us-gaap:OperatingLeaseRightOfUseAsset

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

us-gaap:OtherAssets
us-gaap:ConsolidatedEntities
us-gaap:InvestmentType

us-gaap:LongTermDebt
us-gaap:ConsolidatedEntities

us-gaap:DebtAndCapitalLeaseObligations
us-gaap:DebtInstrument
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:StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest
us-gaap:StatementEquityComponents

us-gaap:CommonStockValue
us-gaap:ConsolidatedEntities

us-gaap:AdditionalPaidInCapitalCommonStock
us-gaap:ConsolidatedEntities

us-gaap:AccumulatedOtherComprehensiveIncomeLossNetOfTax
us-gaap:ConsolidatedEntities

us-gaap:TreasuryStockValue
us-gaap:ConsolidatedEntities

us-gaap:AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue
us-gaap:StatementEquityComponents

us-gaap:NetCashProvidedByUsedInOperatingActivities

us-gaap:NetCashProvidedByUsedInInvestingActivities

us-gaap:NetCashProvidedByUsedInFinancingActivities

us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect

us-gaap:AmortizationOfFinancingCosts

us-gaap:DeferredIncomeTaxExpenseBenefit

us-gaap:NetCashProvidedByUsedInOperatingActivities

us-gaap:NetIncomeLoss
us-gaap:StatementEquityComponents

us-gaap:ProfitLoss

us-gaap:NetCashProvidedByUsedInInvestingActivities

us-gaap:PaymentsToAcquirePropertyPlantAndEquipment

us-gaap:NetCashProvidedByUsedInFinancingActivities

us-gaap:PaymentsOfDividendsCommonStock

us-gaap:PaymentsForRepurchaseOfCommonStock

brkl:AccretionOfAcquisitionFairValueAdjustmentCosts

brkl:CommitmentsToLendFundsToDebtorsOwingReceivablesWhoseTermsHadBeenModifiedInTroubledDebtRestructurings

brkl:DepreciationAndAmortizationOfBankPremisesAndEquipment

brkl:EquipmentAndDataProcessingExpense

brkl:FinancingReceivableModificationRecordedInvestment
brkl:AccountsNotesLoansAndFinancingReceivableByReceivableNature
brkl:AccountsNotesLoansAndFinancingReceivableByReceivableNature, us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable
us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable
brkl:FinancingReceivableTroubledDebtRestructuringPayoffs

brkl:FinancingReceivableWithTypesOfModificationRecordedInvestment
us-gaap:LoanRestructuringModification

brkl:GainLossOnSaleOfLoansAndLeasesHeldForSale

brkl:IncreaseDecreaseInDemandDepositsAndSavingDeposits

brkl:IncreaseDecreaseInFinancingReceivableModificationsRecordedInvestment

brkl:IncreaseDecreaseInMortgagorsEscrowAccounts

brkl:IncreaseDecreaseInTimeDepositsRetail

brkl:InterestAndDividendIncomeMarketableEquitySecurities

brkl:InterestAndDividendIncomeShortTermInvestment

brkl:InterestExpenseDepositsExcludingBrokeredDeposits

brkl:InterestIncomeDebtSecurities

brkl:LesseeOperatingLeaseLiabilityAmount

brkl:NoninterestExpenseOther

brkl:PercentageOfLoansAndLeasesReceivableToAggregateOutstandingAmountInNewYorkNewJerseyAndOtherNorthEasternStates

brkl:PercentageOfLoansAndLeasesReceivableToAggregateOutstandingAmountInStatesOutsideOfNortheastRegionInUnitedStates

brkl:ProceedsFromSaleOfAvailableForSaleAndRestrictedSecurities

brkl:SpecificAllowanceForLoanAndLeaseLossesPeriodIncreaseDecrease
us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable

brkl:StockRepurchaseProgramWeightedAverageSharePrice

brkl:WeightedAverageInterestRateFinancingReceivable
us-gaap:FinancingReceivablePortfolioSegment
us-gaap:FinancingReceivablePortfolioSegment, us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable

us-gaap:AccretionAmortizationOfDiscountsAndPremiumsInvestments

us-gaap:AmortizationOfDeferredLoanOriginationFeesNet

us-gaap:AmortizationOfESOPAward
us-gaap:StatementEquityComponents

us-gaap:AssetImpairmentCharges

us-gaap:DebtSecuritiesAvailableForSaleRealizedGain

us-gaap:DebtSecuritiesAvailableForSaleRealizedGainLoss

us-gaap:DebtSecuritiesAvailableForSaleRealizedLoss

us-gaap:DividendsCommonStock
us-gaap:StatementEquityComponents

us-gaap:EmployeeStockOwnershipPlanESOPCompensationExpense

us-gaap:FederalDepositInsuranceCorporationPremiumExpense

us-gaap:FinancingReceivableAllowanceForCreditLossesRecovery
us-gaap:FinancingReceivablePortfolioSegment

us-gaap:FinancingReceivableAllowanceForCreditLossesWriteOffs
us-gaap:FinancingReceivablePortfolioSegment

us-gaap:FinancingReceivableModificationsPostModificationRecordedInvestment2
brkl:AccountsNotesLoansAndFinancingReceivableByReceivableNature
brkl:AccountsNotesLoansAndFinancingReceivableByReceivableNature, us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable

us-gaap:FinancingReceivableModificationsPreModificationRecordedInvestment2
brkl:AccountsNotesLoansAndFinancingReceivableByReceivableNature
brkl:AccountsNotesLoansAndFinancingReceivableByReceivableNature, us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable

us-gaap:FinancingReceivableModificationsSubsequentDefaultRecordedInvestment1
brkl:AccountsNotesLoansAndFinancingReceivableByReceivableNature
brkl:AccountsNotesLoansAndFinancingReceivableByReceivableNature, us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable
us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable
us-gaap:FinancingReceivableTroubledDebtRestructuringIncreaseDecreaseFromModification

us-gaap:FinancingReceivablesImpairedTroubledDebtRestructuringWriteDown

us-gaap:GainsLossesOnSalesOfInvestmentRealEstate

us-gaap:IncreaseDecreaseInEquitySecuritiesFvNi

us-gaap:IncreaseDecreaseInLifeInsuranceLiabilities

us-gaap:IncreaseDecreaseInOtherOperatingAssets

us-gaap:IncreaseDecreaseInOtherOperatingLiabilities

us-gaap:InterestAndDividendIncomeOperating

us-gaap:InterestExpenseBorrowings

us-gaap:InterestIncomeExpenseAfterProvisionForLoanLoss

us-gaap:LaborAndRelatedExpense

us-gaap:MarketableSecuritiesRealizedGainLossExcludingOtherThanTemporaryImpairments

us-gaap:NoninterestExpense

us-gaap:NoninterestIncome

us-gaap:NoninterestIncomeOther

us-gaap:NoninterestIncomeOtherOperatingIncome

us-gaap:OccupancyNet

us-gaap:OperatingLeaseCost

us-gaap:OperatingLeasePayments

us-gaap:OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax

us-gaap:OtherComprehensiveIncomeLossBeforeReclassificationsNetOfTax
us-gaap:StatementEquityComponents

us-gaap:OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationBeforeTax

us-gaap:OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationTax

us-gaap:OtherComprehensiveIncomeLossCashFlowHedgeGainLossBeforeReclassificationAndTax

us-gaap:OtherComprehensiveIncomeLossCashFlowHedgeGainLossReclassificationBeforeTax

us-gaap:OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesBeforeTax

us-gaap:OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesNetOfTax

us-gaap:OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesTax
us-gaap:FinancialInstrument
us-gaap:OtherComprehensiveIncomeReclassificationAdjustmentForHeldToMaturityTransferredToAvailableForSaleSecuritiesBeforeTax

us-gaap:OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodBeforeTax

us-gaap:OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax

us-gaap:OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodTax

us-gaap:OtherNoninterestExpense

us-gaap:PaymentsRelatedToTaxWithholdingForShareBasedCompensation

us-gaap:PaymentsToAcquireAvailableForSaleSecuritiesDebt
us-gaap:FinancialInstrument

us-gaap:PaymentsToAcquireReceivables

us-gaap:PaymentsToAcquireRestrictedInvestments

us-gaap:ProceedsFromFederalHomeLoanBankBorrowings

us-gaap:ProceedsFromMaturitiesPrepaymentsAndCallsOfAvailableForSaleSecurities

us-gaap:ProceedsFromMaturitiesPrepaymentsAndCallsOfHeldToMaturitySecurities

us-gaap:ProceedsFromPaymentsForTradingSecurities

us-gaap:ProceedsFromRepaymentsOfOtherDebt

us-gaap:ProceedsFromSaleOfAvailableForSaleSecuritiesDebt

us-gaap:ProceedsFromSaleOfLoansHeldForInvestment

us-gaap:ProceedsFromSaleOfOtherRealEstate

us-gaap:ProceedsFromSaleOfRestrictedInvestments

us-gaap:ProfessionalFees

us-gaap:ProvisionForLoanLeaseAndOtherLosses

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

us-gaap:ProvisionForOtherCreditLosses

us-gaap:RealEstateTaxExpense

us-gaap:ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax
us-gaap:StatementEquityComponents

us-gaap:RepaymentsOfFederalHomeLoanBankBorrowings

us-gaap:RestrictedStockExpense
us-gaap:AwardType, us-gaap:Vesting
us-gaap:SharebasedCompensationArrangementBySharebasedPaymentAwardAwardVestingRightsPercentage

us-gaap:StockIssuedDuringPeriodValueRestrictedStockAwardNetOfForfeitures
us-gaap:StatementEquityComponents

us-gaap:TransferOfOtherRealEstate

us-gaap:TreasuryStockValueAcquiredCostMethod
us-gaap:StatementEquityComponents

us-gaap:WeightedAverageNumberDilutedSharesOutstandingAdjustment

brkl:AccruedExpensesAndOtherLiabilities
us-gaap:ConsolidatedEntities

brkl:AvailableForSaleAndHeldToMaturitySecuritiesContinuousUnrealizedLossPosition12MonthsOrLongerAccumulatedLoss

brkl:AvailableForSaleAndHeldToMaturitySecuritiesContinuousUnrealizedLossPositionAccumulatedLoss

brkl:AvailableForSaleAndHeldToMaturitySecuritiesContinuousUnrealizedLossPositionFairValue

brkl:AvailableForSaleAndHeldToMaturitySecuritiesContinuousUnrealizedLossPositionLessThan12MonthsAccumulatedLoss

brkl:AvailableForSaleAndHeldToMaturitySecuritiesContinuousUnrealizedLossPositionLessThanTwelveMonthsFairValue

brkl:AvailableForSaleAndHeldToMaturitySecuritiesContinuousUnrealizedLossPositionTwelveMonthsOrLongerFairValue

brkl:AvailableForSaleSecuritiesAndLoansPledgedAsCollateral

brkl:AvailableForSaleSecuritiesDebtMaturitiesWeightedAverageRate

brkl:CallableSecuritiesDebtMaturitiesAfterFiveThroughTenYearsFairValue

brkl:CallableSecuritiesDebtMaturitiesAfterOneThroughFiveYearsFairValue

brkl:CallableSecuritiesDebtMaturitiesAfterTenYearsFairValue

brkl:CertainLoansAcquiredInTransferAccountedForAsDebtSecuritiesRightToCallOrPrepayTheObligationsEstimatedFairValue
brkl:LoanCommitmentsByNatureOfCommitments
brkl:CommitmentsToOriginateLoansAndLeases

brkl:CommitmentsToUnadvancedPortionOfLoans

brkl:DebtSecuritiesAvailableForSaleSecuritiesInUnrealizedLossPositionsAsPercentageOfAmortizedCostOfSecurities

brkl:DeferredTaxAssetsNonAccrualInterestAndPartialWriteDownOnLoans

brkl:DeferredTaxAssetsOperatingLeaseLiabilities

brkl:DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsEmployeeStockOwnershipPlan

brkl:DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsSupplementalExecutiveRetirementPlans

brkl:DeferredTaxAssetsUnamortizedSBAPPPFeeIncome

brkl:DeferredTaxLiabilitiesAcquisitionFairValueAdjustments

brkl:DeferredTaxLiabilitiesOperatingRightOfUseAssets

brkl:DepositsBrokeredDeposits

brkl:DepositsExcludingTimeDepositsFairValueDisclosure

brkl:DepositsMoneyMarketDepositsWeightedAverageRate

brkl:DepositsNegotiableOrderOfWithdrawalNOWWeightedAverageRate

brkl:DepositsPledgedAsCollateral

brkl:DepositsSavingsDepositsWeightedAverageRate
us-gaap:DerivativeInstrumentRisk, us-gaap:HedgingDesignation
brkl:DerivativeNotionalAmountMaturingAfterFourYears
us-gaap:DerivativeInstrumentRisk, us-gaap:HedgingDesignation
brkl:DerivativeNotionalAmountMaturingInFourYears
us-gaap:DerivativeInstrumentRisk, us-gaap:HedgingDesignation
brkl:DerivativeNotionalAmountMaturingInNextTwelveMonths
us-gaap:DerivativeInstrumentRisk, us-gaap:HedgingDesignation, us-gaap:Position
us-gaap:DerivativeInstrumentRisk, us-gaap:HedgingDesignation, us-gaap:Position
brkl:DerivativeNotionalAmountMaturingInOneYear
us-gaap:DerivativeInstrumentRisk, us-gaap:HedgingDesignation
brkl:DerivativeNotionalAmountMaturingInThreeYears
us-gaap:DerivativeInstrumentRisk, us-gaap:HedgingDesignation
brkl:DerivativeNotionalAmountMaturingInTwoYears
us-gaap:ConsolidatedEntities
brkl:EmployeeStockOwnershipPlanESOPOutstandingLoanAmount
us-gaap:EmployeeStockOwnershipPlanESOPDisclosuresByPlan

brkl:FederalHomeLoanBankOvernightBorrowings

brkl:FinancingReceivableModificationsAllowanceForCreditLosses
brkl:AccountsNotesLoansAndFinancingReceivableByReceivableNature
brkl:AccountsNotesLoansAndFinancingReceivableByReceivableNature, us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable

brkl:FinancingReceivableModificationsAmountModifiedToTroubleDebtRestructurings

brkl:FinancingReceivableModificationsRecordedInvestmentOnAccrual

brkl:FinancingReceivableModificationsRecordedInvestmentOnNonaccrual
us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable, us-gaap:SubsequentEventType
brkl:FinancingReceivableNumberOfLoans
us-gaap:RelatedPartyTransactionsByRelatedParty
brkl:FinancingReceivableRelatedParties

brkl:GeneralAllowanceForLoanAndLeaseLosses
us-gaap:ConsolidatedEntities
brkl:IntercompanyLoans

brkl:LetterOfCreditFacilityRemainingBorrowingCapacityForCommercialLettersOfCredit

brkl:LetterOfCreditFacilityRemainingBorrowingCapacityForFinancialStandbyLettersOfCredit

brkl:LetterOfCreditFacilityRemainingBorrowingCapacityForPerformanceStandbyLettersOfCredit

brkl:LineOfCreditFacilityRemainingBorrowingCapacityForEquity

brkl:LineOfCreditFacilityRemainingBorrowingCapacityForOther

brkl:LineOfCreditFacilityRemainingBorrowingCapacityForOtherCommercial

brkl:LossContingencyLiabilityForUnfundedCreditCommitments
us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable
brkl:PercentageOfLoansAndLeasesReceivableToAggregateOutstandingAmount
us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable, us-gaap:SubsequentEventType

brkl:RestrictedRetainedEarningLiquidationAmount

brkl:RetainedEarningsPartiallyRestricted
us-gaap:ConsolidatedEntities

brkl:SpecificAllowanceForLoanAndLeaseLosses

brkl:TierOneCommonCapitalRatio
dei:LegalEntity
us-gaap:ConsolidatedEntities

brkl:TierOneCommonEquityCapital
dei:LegalEntity
us-gaap:ConsolidatedEntities

brkl:TierOneCommonEquityCapitalRequiredForCapitalAdequacy
dei:LegalEntity
us-gaap:ConsolidatedEntities

brkl:TierOneCommonEquityCapitalRequiredForFullyPhasedInCapitalAdequacyPurposesPlusCapitalConservationBuffer
dei:LegalEntity
us-gaap:ConsolidatedEntities
dei:LegalEntity
brkl:TierOneCommonEquityCapitalRequiredToBeWellCapitalized
us-gaap:ConsolidatedEntities

brkl:TierOneLeverageCapitalRequiredForFullyPhasedInCapitalAdequacyPurposesPlusCapitalConservationBuffer
dei:LegalEntity
us-gaap:ConsolidatedEntities

brkl:TierOneRiskBasedCapitalRequiredForFullyPhasedInCapitalAdequacyPurposesPlusCapitalConservationBuffer
dei:LegalEntity
us-gaap:ConsolidatedEntities

brkl:TimeDepositMaturitiesSixMonths

brkl:TimeDepositMaturitiesSixToTwelveMonths

brkl:TimeDepositsWeightedAverageInterestRateMaturities

brkl:TimeDepositsWeightedAverageInterestRateMaturitiesBrokeredDepositAccounts

brkl:TimeDepositsWeightedAverageInterestRateMaturitiesSixMonths

brkl:TimeDepositsWeightedAverageInterestRateMaturitiesSixToTwelveMonths

brkl:TotalRiskBasedCapitalRatioRequiredForFullyPhasedInCapitalAdequacyPurposesPlusCapitalConservationBuffer
dei:LegalEntity
us-gaap:ConsolidatedEntities

brkl:TotalSecurities
us-gaap:RelatedPartyTransactionsByRelatedParty
brkl:UnfundedCommitmentsOnExtensionsOfCredit

brkl:UnfundedCreditCommitmentsLiability
us-gaap:InvestmentType

brkl:WeightedAverageRateDeposits

brkl:WeightedAverageRateTransactionDeposits

us-gaap:AdvancePaymentsByBorrowersForTaxesAndInsurance

us-gaap:AdvancesFromFederalHomeLoanBanks
us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementFrequency
us-gaap:AssetsFairValueDisclosure
us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementFrequency, us-gaap:FinancialInstrument
us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementFrequency, us-gaap:FinancialInstrument, us-gaap:ValuationTechnique
us-gaap:FairValueByMeasurementFrequency
us-gaap:FairValueByMeasurementFrequency, us-gaap:FinancialInstrument

us-gaap:AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedGainBeforeTax
us-gaap:FinancialInstrument

us-gaap:AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedLossBeforeTax
us-gaap:FinancialInstrument

us-gaap:AvailableForSaleDebtSecuritiesAmortizedCostBasis
us-gaap:FinancialInstrument

us-gaap:AvailableForSaleSecuritiesDebtMaturitiesAfterFiveThroughTenYearsAmortizedCost

us-gaap:AvailableForSaleSecuritiesDebtMaturitiesAfterFiveThroughTenYearsFairValue

us-gaap:AvailableForSaleSecuritiesDebtMaturitiesAfterOneThroughFiveYearsAmortizedCost

us-gaap:AvailableForSaleSecuritiesDebtMaturitiesAfterOneThroughFiveYearsFairValue

us-gaap:AvailableForSaleSecuritiesDebtMaturitiesAfterTenYearsAmortizedCost

us-gaap:AvailableForSaleSecuritiesDebtMaturitiesAfterTenYearsFairValue

us-gaap:AvailableForSaleSecuritiesDebtMaturitiesWithinOneYearAmortizedCost

us-gaap:AvailableForSaleSecuritiesDebtMaturitiesWithinOneYearFairValue

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

us-gaap:Capital
dei:LegalEntity
us-gaap:ConsolidatedEntities

us-gaap:CapitalRequiredForCapitalAdequacy
dei:LegalEntity
us-gaap:ConsolidatedEntities
dei:LegalEntity
us-gaap:CapitalRequiredToBeWellCapitalized
us-gaap:ConsolidatedEntities

us-gaap:CashAndDueFromBanks
us-gaap:ConsolidatedEntities

us-gaap:CashEquivalentsAtCarryingValue
us-gaap:ConsolidatedEntities
us-gaap:BusinessAcquisition
us-gaap:CashSurrenderValueOfLifeInsurance

us-gaap:CollateralAlreadyPostedAggregateFairValue

us-gaap:DebtSecuritiesAvailableForSaleAccumulatedGrossUnrealizedGainLossBeforeTax
us-gaap:FinancialInstrument

us-gaap:DebtSecuritiesAvailableForSaleAmortizedCostExcludingAccruedInterestAfterAllowanceForCreditLoss
us-gaap:FinancialInstrument

us-gaap:DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPosition12MonthsOrLonger
us-gaap:InvestmentType

us-gaap:DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPosition12MonthsOrLongerAccumulatedLoss
us-gaap:InvestmentType

us-gaap:DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12Months
us-gaap:InvestmentType

us-gaap:DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12MonthsAccumulatedLoss
us-gaap:InvestmentType

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

us-gaap:DebtSecuritiesAvailableForSaleMaturityAfter10YearsWeightedAverageYield

us-gaap:DebtSecuritiesAvailableForSaleMaturityAfterFiveThroughTenYearsWeightedAverageYield

us-gaap:DebtSecuritiesAvailableForSaleMaturityAfterOneThroughFiveYearsWeightedAverageYield

us-gaap:DebtSecuritiesAvailableForSaleMaturityWithinOneYearWeightedAverageYield
us-gaap:Collateral
us-gaap:DebtSecuritiesAvailableForSaleRestricted

us-gaap:DebtSecuritiesAvailableForSaleUnrealizedLossPosition
us-gaap:InvestmentType

us-gaap:DebtSecuritiesAvailableForSaleUnrealizedLossPositionAccumulatedLoss
us-gaap:InvestmentType

us-gaap:DeferredCompensationArrangementWithIndividualRecordedLiability
us-gaap:DebtInstrument, us-gaap:LongtermDebtType
us-gaap:DeferredFinanceCostsGross

us-gaap:DeferredIncomeTaxAssetsNet
us-gaap:ConsolidatedEntities

us-gaap:DeferredIncomeTaxLiabilities

us-gaap:DeferredTaxAssetsGoodwillAndIntangibleAssets

us-gaap:DeferredTaxAssetsGross

us-gaap:DeferredTaxAssetsOther

us-gaap:DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsEmployeeBenefits

us-gaap:DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsEmployeeCompensation

us-gaap:DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsPostretirementBenefits

us-gaap:DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsAllowanceForDoubtfulAccounts

us-gaap:DeferredTaxLiabilitiesDeferredExpense

us-gaap:DeferredTaxLiabilitiesDeferredExpenseDeferredFinancingCosts

us-gaap:DeferredTaxLiabilitiesGoodwillAndIntangibleAssets

us-gaap:DeferredTaxLiabilitiesPrepaidExpenses

us-gaap:DeferredTaxLiabilitiesPropertyPlantAndEquipment

us-gaap:DeferredTaxLiabilitiesUnrealizedGainsOnTradingSecurities
us-gaap:RetirementPlanType
us-gaap:DefinedBenefitPlanAccumulatedBenefitObligation
us-gaap:RetirementPlanType
us-gaap:DefinedBenefitPlanAssumptionsUsedCalculatingBenefitObligationDiscountRate
us-gaap:RetirementPlanType
us-gaap:DefinedBenefitPlanBenefitObligation
us-gaap:RetirementPlanType
us-gaap:DefinedBenefitPlanExpectedAmortizationOfPriorServiceCostCreditNextFiscalYear
us-gaap:RetirementPlanType
us-gaap:DefinedBenefitPlanFundedStatusOfPlan
us-gaap:PlanName, us-gaap:RetirementPlanType
us-gaap:DefinedBenefitPlanHealthCareCostTrendRateAssumedNextFiscalYear
us-gaap:RetirementPlanType
us-gaap:DefinedBenefitPlanUltimateHealthCareCostTrendRate1

us-gaap:DemandDepositAccounts

us-gaap:Deposits

us-gaap:DepositsMoneyMarketDeposits

us-gaap:DepositsNegotiableOrderOfWithdrawalNOW

us-gaap:DepositsSavingsDeposits

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

us-gaap:DerivativeAverageFixedInterestRate

us-gaap:DerivativeCollateralRightToReclaimCash
us-gaap:DerivativeInstrumentRisk

us-gaap:DerivativeCollateralRightToReclaimSecurities
us-gaap:DerivativeInstrumentRisk
us-gaap:DerivativeInstrumentRisk, us-gaap:HedgingDesignation

us-gaap:DerivativeFairValueOfDerivativeAsset
us-gaap:DerivativeInstrumentRisk
us-gaap:DerivativeInstrumentRisk, us-gaap:HedgingDesignation
us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementFrequency, us-gaap:FinancialInstrument
us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementFrequency, us-gaap:FinancialInstrument, us-gaap:HedgingDesignation
us-gaap:FairValueByMeasurementFrequency, us-gaap:FinancialInstrument
us-gaap:FairValueByMeasurementFrequency, us-gaap:FinancialInstrument, us-gaap:HedgingDesignation

us-gaap:DerivativeFairValueOfDerivativeAssetAmountOffsetAgainstCollateral
us-gaap:DerivativeInstrumentRisk
us-gaap:DerivativeInstrumentRisk, us-gaap:HedgingDesignation

us-gaap:DerivativeFairValueOfDerivativeLiability
us-gaap:DerivativeInstrumentRisk
us-gaap:DerivativeInstrumentRisk, us-gaap:HedgingDesignation
us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementFrequency, us-gaap:FinancialInstrument
us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementFrequency, us-gaap:FinancialInstrument, us-gaap:HedgingDesignation
us-gaap:FairValueByMeasurementFrequency, us-gaap:FinancialInstrument
us-gaap:FairValueByMeasurementFrequency, us-gaap:FinancialInstrument, us-gaap:HedgingDesignation

us-gaap:DerivativeFairValueOfDerivativeLiabilityAmountOffsetAgainstCollateral
us-gaap:DerivativeInstrumentRisk
us-gaap:DerivativeInstrumentRisk, us-gaap:HedgingDesignation
us-gaap:DerivativeInstrumentRisk, us-gaap:HedgingDesignation
us-gaap:DerivativeFairValueOfDerivativeNet
us-gaap:DerivativeInstrumentRisk, us-gaap:HedgingDesignation, us-gaap:Position

us-gaap:DerivativeLiabilities
us-gaap:DerivativeInstrumentRisk
us-gaap:DerivativeInstrumentRisk, us-gaap:HedgingDesignation
us-gaap:DerivativeInstrumentRisk
us-gaap:DerivativeNotionalAmount
us-gaap:DerivativeInstrumentRisk, us-gaap:HedgingDesignation
us-gaap:DerivativeInstrumentRisk, us-gaap:HedgingDesignation, us-gaap:Position
us-gaap:DerivativeInstrumentRisk, us-gaap:Position
us-gaap:AwardType
us-gaap:EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized

us-gaap:EmployeeStockOwnershipPlanESOPDeferredShares
us-gaap:ConsolidatedEntities
us-gaap:EmployeeStockOwnershipPlanESOPDisclosuresByPlan
us-gaap:EmployeeStockOwnershipPlanESOPDisclosuresByPlan
us-gaap:EmployeeStockOwnershipPlanESOPDeferredSharesFairValue

us-gaap:FederalHomeLoanBankAdvancesGeneralDebtObligationsDisclosuresAmountOfAvailableUnusedFunds

us-gaap:FederalHomeLoanBankAdvancesGeneralDebtObligationsDisclosuresInterestRateAtPeriodEnd

us-gaap:FederalHomeLoanBankAdvancesGeneralDebtObligationsDisclosuresMaximumAmountAvailable

us-gaap:FederalHomeLoanBankAdvancesLongTerm

us-gaap:FederalHomeLoanBankAdvancesMaturitiesSummaryAverageInterestRateAfterFiveYearsFromBalanceSheetDate

us-gaap:FederalHomeLoanBankAdvancesMaturitiesSummaryAverageInterestRateFourToFiveYearsFromBalanceSheetDate

us-gaap:FederalHomeLoanBankAdvancesMaturitiesSummaryAverageInterestRateOfAmountsDueWithinOneYearOfBalanceSheetDate

us-gaap:FederalHomeLoanBankAdvancesMaturitiesSummaryAverageInterestRateOneToTwoYearsFromBalanceSheetDate

us-gaap:FederalHomeLoanBankAdvancesMaturitiesSummaryAverageInterestRateThreeToFourYearsFromBalanceSheetDate

us-gaap:FederalHomeLoanBankAdvancesMaturitiesSummaryAverageInterestRateTwoToThreeYearsFromBalanceSheetDate

us-gaap:FederalHomeLoanBankAdvancesMaturitiesSummaryDueAfterFiveYearsOfBalanceSheetDate

us-gaap:FederalHomeLoanBankAdvancesMaturitiesSummaryDueFromFourToFiveYearsOfBalanceSheetDate

us-gaap:FederalHomeLoanBankAdvancesMaturitiesSummaryDueFromOneToTwoYearsOfBalanceSheetDate

us-gaap:FederalHomeLoanBankAdvancesMaturitiesSummaryDueFromThreeToFourYearsOfBalanceSheetDate

us-gaap:FederalHomeLoanBankAdvancesMaturitiesSummaryDueFromTwoToThreeYearsOfBalanceSheetDate

us-gaap:FederalHomeLoanBankAdvancesMaturitiesSummaryDueWithinOneYearOfBalanceSheetDate
us-gaap:FinancialInstrument
us-gaap:FinancingReceivableAccruedInterestAfterAllowanceForCreditLoss

us-gaap:FinancingReceivableAllowanceForCreditLossExcludingAccruedInterest
us-gaap:FinancingReceivablePortfolioSegment

us-gaap:FinancingReceivableAllowanceForCreditLosses
brkl:AccountsNotesLoansAndFinancingReceivableByReceivableNature
brkl:AccountsNotesLoansAndFinancingReceivableByReceivableNature, us-gaap:FinancingReceivablePortfolioSegment
us-gaap:CreditLossStatus
us-gaap:CreditLossStatus, us-gaap:FinancingReceivablePortfolioSegment
us-gaap:FinancingReceivablePortfolioSegment
us-gaap:InternalCreditAssessment

us-gaap:FinancingReceivableAllowanceForCreditLossesCollectivelyEvaluatedForImpairment
brkl:AccountsNotesLoansAndFinancingReceivableByReceivableNature
brkl:AccountsNotesLoansAndFinancingReceivableByReceivableNature, us-gaap:FinancingReceivablePortfolioSegment
us-gaap:CreditLossStatus
us-gaap:CreditLossStatus, us-gaap:FinancingReceivablePortfolioSegment
us-gaap:FinancingReceivablePortfolioSegment

us-gaap:FinancingReceivableAllowanceForCreditLossesIndividuallyEvaluatedForImpairment1
brkl:AccountsNotesLoansAndFinancingReceivableByReceivableNature
brkl:AccountsNotesLoansAndFinancingReceivableByReceivableNature, us-gaap:FinancingReceivablePortfolioSegment
us-gaap:CreditLossStatus
us-gaap:CreditLossStatus, us-gaap:FinancingReceivablePortfolioSegment
us-gaap:FinancingReceivablePortfolioSegment

us-gaap:FinancingReceivableCollectivelyEvaluatedForImpairment
brkl:AccountsNotesLoansAndFinancingReceivableByReceivableNature
brkl:AccountsNotesLoansAndFinancingReceivableByReceivableNature, us-gaap:FinancingReceivablePortfolioSegment
us-gaap:CreditLossStatus
us-gaap:CreditLossStatus, us-gaap:FinancingReceivablePortfolioSegment
us-gaap:FinancingReceivablePortfolioSegment

us-gaap:FinancingReceivableExcludingAccruedInterestAfterAllowanceForCreditLoss

us-gaap:FinancingReceivableExcludingAccruedInterestBeforeAllowanceForCreditLoss
brkl:FinancingReceivableInformationByCreditScore, us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable
us-gaap:FinancingReceivableExcludingAccruedInterestOriginatedMoreThanFiveYearsBeforeCurrentFiscalYear
us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable
us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable, us-gaap:InternalCreditAssessment
brkl:FinancingReceivableInformationByCreditScore, us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable
us-gaap:FinancingReceivableExcludingAccruedInterestRevolving
us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable
us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable, us-gaap:InternalCreditAssessment
brkl:FinancingReceivableInformationByCreditScore, us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable
us-gaap:FinancingReceivableExcludingAccruedInterestRevolvingConvertedToTermLoan
us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable
us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable, us-gaap:InternalCreditAssessment
brkl:FinancingReceivableInformationByCreditScore, us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable
us-gaap:FinancingReceivableExcludingAccruedInterestYearFiveOriginatedFourYearsBeforeCurrentFiscalYear
us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable
us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable, us-gaap:InternalCreditAssessment
brkl:FinancingReceivableInformationByCreditScore, us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable
us-gaap:FinancingReceivableExcludingAccruedInterestYearFourOriginatedThreeYearsBeforeCurrentFiscalYear
us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable
us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable, us-gaap:InternalCreditAssessment
brkl:FinancingReceivableInformationByCreditScore, us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable
us-gaap:FinancingReceivableExcludingAccruedInterestYearOneOriginatedCurrentFiscalYear
us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable
us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable, us-gaap:InternalCreditAssessment
brkl:FinancingReceivableInformationByCreditScore, us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable
us-gaap:FinancingReceivableExcludingAccruedInterestYearThreeOriginatedTwoYearsBeforeCurrentFiscalYear
us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable
us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable, us-gaap:InternalCreditAssessment
brkl:FinancingReceivableInformationByCreditScore, us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable
us-gaap:FinancingReceivableExcludingAccruedInterestYearTwoOriginatedFiscalYearBeforeCurrentFiscalYear
us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable
us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable, us-gaap:InternalCreditAssessment

us-gaap:FinancingReceivableIndividuallyEvaluatedForImpairment
brkl:AccountsNotesLoansAndFinancingReceivableByReceivableNature
brkl:AccountsNotesLoansAndFinancingReceivableByReceivableNature, us-gaap:FinancingReceivablePortfolioSegment
us-gaap:CreditLossStatus
us-gaap:CreditLossStatus, us-gaap:FinancingReceivablePortfolioSegment
us-gaap:FinancingReceivablePortfolioSegment

us-gaap:FinancingReceivableModificationsRecordedInvestment
us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable

us-gaap:FinancingReceivableNonaccrualNoAllowance
us-gaap:FinancingReceivablePortfolioSegment
us-gaap:FinancingReceivablePortfolioSegment, us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable
brkl:FinancingReceivableInformationByCreditScore, us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable
us-gaap:FinancingReceivableOriginatedFiveOrMoreYearsBeforeLatestFiscalYear
us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable
us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable, us-gaap:InternalCreditAssessment
brkl:FinancingReceivableInformationByCreditScore, us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable
us-gaap:FinancingReceivableOriginatedFourYearsBeforeLatestFiscalYear
us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable
us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable, us-gaap:InternalCreditAssessment
brkl:FinancingReceivableInformationByCreditScore, us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable
us-gaap:FinancingReceivableOriginatedInCurrentFiscalYear
us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable
us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable, us-gaap:InternalCreditAssessment
brkl:FinancingReceivableInformationByCreditScore, us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable
us-gaap:FinancingReceivableOriginatedInFiscalYearBeforeLatestFiscalYear
us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable
us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable, us-gaap:InternalCreditAssessment
brkl:FinancingReceivableInformationByCreditScore, us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable
us-gaap:FinancingReceivableOriginatedThreeYearsBeforeLatestFiscalYear
us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable
us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable, us-gaap:InternalCreditAssessment
brkl:FinancingReceivableInformationByCreditScore, us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable
us-gaap:FinancingReceivableOriginatedTwoYearsBeforeLatestFiscalYear
us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable
us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable, us-gaap:InternalCreditAssessment

us-gaap:FinancingReceivableRecordedInvestment90DaysPastDueAndStillAccruing
us-gaap:FinancingReceivablePortfolioSegment
us-gaap:FinancingReceivablePortfolioSegment, us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable

us-gaap:FinancingReceivableRecordedInvestmentCurrent

us-gaap:FinancingReceivableRecordedInvestmentNonaccrualStatus

us-gaap:FinancingReceivableRecordedInvestmentPastDue
brkl:FinancingReceivableInformationByCreditScore, us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable
us-gaap:FinancingReceivableRevolving
us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable
us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable, us-gaap:InternalCreditAssessment
brkl:FinancingReceivableInformationByCreditScore, us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable
us-gaap:FinancingReceivableRevolvingConvertedToTermLoan
us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable
us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable, us-gaap:InternalCreditAssessment

us-gaap:FiniteLivedIntangibleAssetsAccumulatedAmortization
us-gaap:FiniteLivedIntangibleAssetsByMajorClass

us-gaap:FiniteLivedIntangibleAssetsAmortizationExpenseAfterYearFive

us-gaap:FiniteLivedIntangibleAssetsAmortizationExpenseNextTwelveMonths

us-gaap:FiniteLivedIntangibleAssetsAmortizationExpenseRemainderOfFiscalYear

us-gaap:FiniteLivedIntangibleAssetsAmortizationExpenseYearFive

us-gaap:FiniteLivedIntangibleAssetsAmortizationExpenseYearFour

us-gaap:FiniteLivedIntangibleAssetsAmortizationExpenseYearThree

us-gaap:FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo

us-gaap:FiniteLivedIntangibleAssetsGross
us-gaap:FiniteLivedIntangibleAssetsByMajorClass

us-gaap:HedgedAssetFairValueHedge

us-gaap:HeldToMaturitySecuritiesFairValue

us-gaap:InterestBearingDepositLiabilities

us-gaap:InterestBearingDepositsInBanks

us-gaap:InterestBearingDomesticDepositCertificatesOfDeposits
us-gaap:FinancialInstrument
us-gaap:InterestReceivable

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueNextTwelveMonths

us-gaap:LesseeOperatingLeaseLiabilityPaymentsRemainderOfFiscalYear
us-gaap:CreditFacility, us-gaap:DebtInstrument
us-gaap:LineOfCredit

us-gaap:MortgageLoansInProcessOfForeclosureAmount

us-gaap:NotesReceivableGross

us-gaap:NotesReceivableNet

us-gaap:OffBalanceSheetCreditLossLiability

us-gaap:OperatingLeaseWeightedAverageDiscountRatePercent

us-gaap:OtherBorrowings
us-gaap:FairValueByFairValueHierarchyLevel
us-gaap:FairValueByMeasurementBasis

us-gaap:OtherRealEstateAndForeclosedAssets
us-gaap:RetirementPlanType
us-gaap:PensionAndOtherPostretirementDefinedBenefitPlansLiabilitiesCurrentAndNoncurrent

us-gaap:PledgedFinancialInstrumentsNotSeparatelyReportedLoansReceivablePledgedAsCollateral

us-gaap:RelatedPartyDepositLiabilities

us-gaap:RestrictedCashAndCashEquivalents

us-gaap:RestrictedInvestments
us-gaap:ConsolidatedEntities
us-gaap:FairValueByFairValueHierarchyLevel
us-gaap:FairValueByMeasurementBasis
us-gaap:InvestmentType
us-gaap:AwardType
us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue
us-gaap:LongtermDebtType
us-gaap:ShortTermDebtWeightedAverageInterestRate

us-gaap:SubordinatedDebt

us-gaap:TierOneLeverageCapital
dei:LegalEntity
us-gaap:ConsolidatedEntities

us-gaap:TierOneLeverageCapitalRequiredForCapitalAdequacy
dei:LegalEntity
us-gaap:ConsolidatedEntities
dei:LegalEntity
us-gaap:TierOneLeverageCapitalRequiredToBeWellCapitalized
us-gaap:ConsolidatedEntities

us-gaap:TierOneLeverageCapitalToAverageAssets
dei:LegalEntity
us-gaap:ConsolidatedEntities

us-gaap:TierOneRiskBasedCapitalRequiredForCapitalAdequacy
dei:LegalEntity
us-gaap:ConsolidatedEntities
dei:LegalEntity
us-gaap:TierOneRiskBasedCapitalRequiredToBeWellCapitalized
us-gaap:ConsolidatedEntities

us-gaap:TimeDepositMaturitiesAfterYearFive

us-gaap:TimeDepositMaturitiesYearFive

us-gaap:TimeDepositMaturitiesYearFour

us-gaap:TimeDepositMaturitiesYearThree

us-gaap:TimeDepositMaturitiesYearTwo

us-gaap:TimeDeposits
us-gaap:FairValueByFairValueHierarchyLevel
us-gaap:FairValueByMeasurementBasis

us-gaap:TimeDeposits100000OrMore

us-gaap:TimeDepositsWeightedAverageInterestRateMaturitiesGreaterThanFiveYears

us-gaap:TimeDepositsWeightedAverageInterestRateMaturitiesYearFive

us-gaap:TimeDepositsWeightedAverageInterestRateMaturitiesYearFour

us-gaap:TimeDepositsWeightedAverageInterestRateMaturitiesYearThree

us-gaap:TimeDepositsWeightedAverageInterestRateMaturitiesYearTwo

us-gaap:UnamortizedLoanCommitmentAndOriginationFeesAndUnamortizedDiscountsOrPremiums

Plots across concepts


IncomeStatement
Other Comprehensive Income Loss Net Of Tax
Expenses
Allocated Share Based Compensation Expense
Balance Sheet
Intangible Assets Net Excluding Goodwill
Assets
Operating Lease Right Of Use Asset
Current Assets
Cash And Cash Equivalents At Carrying Value
NonCurrent Assets
Intangible Assets Net Excluding Goodwill
PropertyPlantAndEquipmentNet
Property Plant And Equipment Net
Liabilities
Operating Lease Liability
Noncurrent Liabilities
Long Term Debt
Stockholders Equity
Common Stock Value
CashFlow
Net Cash Provided By Used In Financing Activities
NetCashProvidedByUsedInOperatingActivities
Net Income Loss
NetCashProvidedByUsedInInvestingActivities
Payments To Acquire Property Plant And Equipment
NetCashProvidedByUsedInFinancingActivities
Net Cash Provided By Used In Financing Activities
Shares
Weighted Average Number Of Shares Outstanding Basic
DividendsAndRepurchase
Dividends Common Stock
LesseeOperatingLeaseLiabilityPaymentsDue
Lessee Operating Lease Liability Undiscounted Excess Amount
FiniteLivedIntangibleAssets
Finite Lived Intangible Assets Net
BanksAndOrInsurance
Interest And Dividend Income Operating
AssetsBanks
Cash And Due From Banks
LiabilitiesBanks
Deposits

Tables

  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
us-gaap:CommonStockValue ██████████████▇▇▇▅▅▅▅▅▅▅▅▅▅▅▅▅▅▅▅▅▅▅▅▅▁▁▁▁▁0.8520.8520.8520.8520.8520.8520.8520.8520.8520.8520.8520.8520.8520.8520.8170.8170.8170.7570.7570.7570.7570.7570.7570.7570.7570.7570.7570.7570.7570.7570.7570.7570.7540.7540.7540.7540.7540.7540.6440.6440.6440.6440.644NANANA
us-gaap:WeightedAverageNumberOfDilutedSharesOutstanding ▇▇▇██████████▇▇▇▆▅▅▅▅▅▅▅▅▅▅▅▅▅▅▅▅▅▅▅▅▅▁▁▁▁▁▁▁▁78.47045178.40406378.68087379.05590179.01527479.66577479.84544779.8835179.88629279.84357880.40755880.51546780.50561478.167876.86830776.7594374.81008870.84409670.59220470.4507670.38843870.34340870.31865770.2400270.2158570.16410570.13024370.08898770.01237769.98399969.95168369.91376569.83354169.8306369.79932469.75447369.7158969.66587358.6527658.64097358.63090858.61830958.60428558.58853658.57952958.559786
us-gaap:WeightedAverageNumberOfSharesOutstandingBasic ▇▇▇██████████▇▇▇▆▅▅▅▅▅▅▅▅▅▅▅▅▅▅▅▅▅▅▅▅▅▁▁▁▁▁▁▁▁78.15036478.14375278.53335178.94813978.84928279.48146279.68272479.70040379.66992279.65858380.25848980.3150580.18497777.87959376.58371276.45253974.32501370.38676670.36270270.29972270.1969570.18692170.17738270.12905670.04982970.0360970.02449569.98990969.88657669.87547369.86217569.83095369.77470369.76278469.74222569.71628369.67765669.66461958.6523758.64077558.62926558.61148858.59836358.58627458.5742358.554922
us-gaap:EarningsPerShareBasic █▇▇▆▆▁▇▇▆▇▆▇▆▆▄▆▆▆▆▆▆▆▆▆▅▅▅▅▅▅▅▅▅▅▅▅▅▄▅▅▅▅▅▅▅▅0.40.340.340.240.25-0.220.280.280.260.280.260.280.260.240.090.20.20.190.190.190.180.180.190.180.170.170.150.170.140.150.110.140.140.130.170.160.110.090.120.110.120.120.110.120.120.11
us-gaap:EarningsPerShareDiluted █▇▇▆▆▁▇▇▆▇▆▇▆▆▄▆▆▆▆▆▆▆▆▆▅▅▅▅▅▅▅▅▅▅▅▅▅▄▅▅▅▅▅▅▅▅0.40.340.340.240.25-0.220.280.280.260.280.260.280.260.240.090.20.20.190.190.190.180.180.190.180.170.170.150.170.140.150.110.130.140.130.170.160.110.090.120.110.120.120.110.120.120.11
us-gaap:TierOneRiskBasedCapitalToRiskWeightedAssets NANA1.118e-05NANANA1.158e-07NANANA1.226e-07NANANA1.234e-07NANANA1.079e-07NANANA1.091e-07NANANA1.055e-07NANANA1.1e-07NANANA1.09e-07NANANA1.59e-07NANANANANANANA
 us-gaap:TierOneRiskBasedCapitalToRiskWeightedAssets dei:LegalEntity brkl:BankRhodeIslandNANA1.103e-05NANANA1.1749999999999999e-07NANANA1.1369999999999999e-07NANANA1.138e-07NANANA1.094e-07NANANA1.063e-07NANANA1.0699999999999999e-07NANANA1.06e-07NANANA1.1500000000000001e-07NANANANANANANANANANANA
 us-gaap:TierOneRiskBasedCapitalToRiskWeightedAssets us-gaap:ConsolidatedEntities srt:SubsidiariesNANA1.1720000000000001e-05NANANA1.144e-07NANANA1.232e-07NANANA1.1809999999999999e-07NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:CapitalToRiskWeightedAssets NANA1.351e-05NANANA1.359e-07NANANA1.442e-07NANANA1.475e-07NANANA1.3200000000000002e-07NANANA1.3539999999999998e-07NANANA1.324e-07NANANA1.22e-07NANANA1.18e-07NANANA1.7000000000000001e-07NANANANANANANA
 us-gaap:CapitalToRiskWeightedAssets dei:LegalEntity brkl:BankRhodeIslandNANA1.229e-05NANANA1.265e-07NANANA1.235e-07NANANA1.233e-07NANANA1.187e-07NANANA1.174e-07NANANA1.182e-07NANANA1.14e-07NANANA1.2e-07NANANANANANANANANANANA
 us-gaap:CapitalToRiskWeightedAssets us-gaap:ConsolidatedEntities srt:SubsidiariesNANA1.2970000000000001e-05NANANA1.2379999999999998e-07NANANA1.3270000000000002e-07NANANA1.2950000000000001e-07NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
us-gaap:AllocatedShareBasedCompensationExpense 0.6NANANA0.7NANANANANANANANANANANANANANA0.60.20.6NA0.40.10.4NA0.40.20.4NA0.4NANANANANANANA0.135NANANA0.02NANA
us-gaap:ComprehensiveIncomeNetOfTax █▄▆▅▆▁▅▆▆▇▆▅▅▄▂▄▄▄▂▄▄▅▃▄▃▄▄▃▄▄▂▃▂▃▄▄▃▃▃▂▃▃▂▃▃▃35.60912.04624.37117.92322.162-2.61221.69124.2326.00527.53427.27720.27619.08212.9173.83315.64815.96614.0024.56512.54415.27118.649.65915.8548.34315.07213.84510.10912.70312.4014.6398.972.8167.56311.77713.0017.0416.8436.485.5618.2486.9264.9187.6097.4017.091
us-gaap:ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest NANA24.37117.92322.162-2.61221.69124.2326.00527.57728.29921.0519.9813.7124.81216.44916.71914.575.22413.19915.98919.4710.38816.4159.03715.67414.32210.77113.17912.8235.1349.463.1917.9912.14413.3227.2957.1286.7835.8688.5747.2095.1267.8447.5647.253
us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments █▇▇▆▆▁▇▇▆▇▇▇▇▆▆▆▆▆▆▆▆▆▆▆▆▆▅▆▅▅▅▅▅▅▆▅▅▅▅▅▅▅▅▅▅▅42.38135.23934.50725.32526.067-23.82229.2730.10327.25129.40529.21529.37429.07125.0826.51824.49724.39221.84821.46222.07620.83721.24122.29220.34619.67419.40917.46419.02216.22616.83912.47414.56415.24714.36919.09816.89812.10311.3912.64210.90612.612.55811.52412.19612.12210.954
us-gaap:IncomeTaxExpenseBenefit ▆▅▅▅▅▁▅▅▅▅▅▅▅▄█▅▅▅▅▅▅▅▅▅▅▅▅▅▄▄▄▄▄▄▅▄▄▄▄▄▄▄▄▄▄▄10.7798.7857.8466.6466.496-6.5467.0877.5076.786.8957.0556.147.3425.65218.7128.338.7597.8357.5247.8047.4657.5998.2376.8977.1157.1046.2016.7795.7745.9954.3254.6455.3825.1296.8685.1764.324.7565.2814.3245.2735.0084.9184.9234.8764.439
us-gaap:IncomeTaxesPaid ▅▂▂▆▅▂▃▃▄▄▃▃▅▁▄▃█▃▄▃▅▄▃▃▇▂▄▃▄▁▃▂▄▂▂▄▃▂▃▃▅▂▃▃▄▂9.5082.2123.13713.09511.092.076.0755.8846.6128.7746.0314.3799.7910.9287.8854.26317.0174.8616.8215.6079.0568.2865.0084.67313.7973.2167.5185.1997.8910.5994.1473.6898.6872.6143.5157.785.5043.7715.0654.6628.8682.0124.5555.3258.3762.077
us-gaap:InterestAndFeeIncomeLoansAndLeases ▇▇▇▇▇▇████▇▇▇▆▅▅▅▅▅▅▄▄▄▄▄▄▄▄▄▄▃▃▄▄▄▄▄▄▂▁▁▁▁▁▁▁75.02675.00976.58376.2477.41679.55983.30983.56682.79880.67278.79175.87773.32967.27264.27263.05461.13858.55857.24757.85855.36954.24754.81452.72551.68453.38152.63751.76950.43351.94248.57348.46250.64449.41950.66253.27150.13549.64335.20733.72333.61731.39130.23430.48830.77430.868
us-gaap:InterestExpense ▁▂▃▄▅▇███▇▆▅▄▃▂▂▂▂▂▂▂▂▂▁▁▁▂▁▁▁▁▁▁▁▂▂▂▂▁▁▁▁▁▂▂▂7.3169.35812.24214.76617.83621.8123.51924.6724.0522.08720.38518.30415.35712.14810.6810.3339.6039.2539.1299.1818.9798.6958.378.17.9948.0818.257.2926.9126.967.2757.4117.5377.9438.4128.9839.089.3577.3687.6427.8237.5037.6528.1839.0479.685
us-gaap:InterestIncomeExpenseNet ███▇▇▇▇▇▇▇▇▇▇▆▆▆▆▅▅▅▅▅▅▅▅▅▅▅▄▅▄▄▄▄▄▄▄▄▂▂▂▁▁▁▁▁71.10669.10968.22565.93864.28861.71263.93163.23663.13462.99963.15962.33262.71759.49157.65756.84355.58353.09851.85452.3550.25749.20350.07848.58747.17248.52847.57647.32446.43447.73443.77443.41245.36343.66944.56446.41142.75943.63428.51327.64427.62925.70624.5824.26823.72823.145
us-gaap:InterestPaidNet ▁▃▃▅▅▇▇█▇▇▆▆▄▃▂6.56511.00711.4916.44317.3523.22722.48625.92222.89523.2319.04919.38713.86612.889.374NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:MarketingAndAdvertisingExpense ██▇▇▇█▆▇██▆███▆▆▆▆▆▆▆▆▆▆▆▅▆▅▆▅▆▅▆▅▆▅▆▅▂▃▃▂▂▃▃▁1.111.11.011.0241.0171.0750.8281.0351.1121.0690.7731.0681.1181.0570.8560.8390.8570.8170.8230.8440.8530.8610.9030.8780.8230.7480.8720.7450.7760.6650.8070.7580.7680.670.8180.6890.7740.7030.2010.4140.4070.3210.3240.3590.4120.129
us-gaap:NetIncomeLoss █▇▇▆▆▁▇▇▆▇▇▇▆▆▄▆▆▅▅▅▅▅▅▅▅▅▅▅▅▅▅▅▅▅31.60226.45426.66118.67919.571-17.27622.18322.59620.47122.46721.13822.4620.83118.6336.82715.36614.8813.44513.27913.61712.65412.81213.32712.88811.86511.70310.78611.5819.97610.4227.6549.4299.498.813NANANANANANA7.0017.267NANA7.0836.353
us-gaap:NetIncomeLossAvailableToCommonStockholdersBasic NA26.45426.66318.67919.571-17.27622.18322.59620.47122.46721.13822.4620.83118.6336.82715.36614.8813.44513.27913.61712.65412.81213.32612.88811.86511.70310.78611.5819.97610.4227.6549.4299.498.81311.86311.4017.5296.3497.0586.2757.0017.2676.3987.0387.0836.353
 us-gaap:NetIncomeLossAvailableToCommonStockholdersBasic us-gaap:StatementEquityComponents us-gaap:ParentNANA26.66318.67919.571-17.27622.18322.59620.47122.46721.13822.4620.83118.6336.82715.36614.8813.44513.27913.61712.65412.81213.32612.88811.86511.70310.78611.5819.97610.4227.6549.4289.4918.81311.86311.4017.5296.3497.0576.2767.07.2676.398NANANA
 us-gaap:NetIncomeLossAvailableToCommonStockholdersBasic us-gaap:StatementEquityComponents us-gaap:RetainedEarningsNA26.45426.66318.67919.571-17.27622.18322.59620.47122.46721.13822.4620.83118.6336.82715.36614.8813.44513.27913.61712.65412.81213.32612.88811.86511.70310.78611.5819.97610.4227.6549.4289.4918.81311.86311.4017.5296.3497.0576.2767.07.2676.398NANANA
us-gaap:OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationAndTax 0.004NA0.00.007NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:OtherComprehensiveIncomeLossNetOfTax ▅▁▄▄▅█▄▅▆▆▆▄▄▃▄▅▅▅▂▄▅▆▄▅▄▅▅▄▅▅▄▄▃▄▄▅▄4.007-14.408-2.292-0.7562.59114.664-0.4921.6345.5345.0676.139-2.184-1.749-5.716-2.9940.2821.0860.557-8.714-1.0732.6175.828-3.6672.966-3.5223.3693.059-1.4722.7271.979-3.015-0.459-6.674-1.25-0.0861.6-0.488NANANANANANANANANA
us-gaap:ProfitLoss NA26.45426.66318.67919.571-17.27622.18322.59620.47122.5122.1623.23421.72919.4287.80616.16715.63314.01313.93814.27213.37213.64214.05513.44912.55912.30511.26312.24310.45210.8448.1499.9199.8659.2412.2311.7227.7836.6347.3616.5827.3277.556.6067.2737.2466.515
 us-gaap:RevenueFromContractWithCustomerIncludingAssessedTax us-gaap:ProductOrService us-gaap:DepositAccount█▃▄▃▁▄▆▆▆▅▆▆▅▄▅▅▅3.0152.2812.3582.3051.9292.4582.712.712.682.5232.6692.6482.622.4632.5422.5472.552NANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:RevenueFromContractWithCustomerIncludingAssessedTax us-gaap:ProductOrService us-gaap:FinancialServiceOther▆▆▆▃▅▆▆█▃▄▃▄▂▂▃▂▁0.6070.5990.5880.3970.5130.550.5670.7190.3980.4130.390.4170.330.290.3380.2820.229NANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
us-gaap:Assets ▇▇███▇▇▇▆▆▆▆▆▆▅▅▅▅▅▅▅▅▅▄▄▄▄▄▄▄▄▄▄▄▄▄▃▃▂▁▁▁▁8461.9648559.818942.4249000.1929069.6678461.5917856.8537878.4367636.987519.137392.8057320.5967285.717248.1146780.2496686.2846658.0676497.7216438.1296380.3126296.5026181.036042.3385839.5295782.9345755.1465799.885717.9655587.4865418.7855325.1065236.2295150.485110.3785147.5345061.4444972.3814877.1243299.0133157.4983114.5823057.7722720.542NANANA
us-gaap:Liabilities ▇▇███▇▇▇▆▆▆▆▆▆▅▅▅▅▅▅▅▅▅▄▄▄▄▄▄▄▄▄▄▄▄▄▄▃▂▂▁▁▁7489.7127614.4118000.6468064.6348143.2547549.0236911.2476946.1256718.5126618.5586482.1866420.7716399.3426373.3685967.6665873.7485855.0085786.4725735.385677.3955600.5535494.2365368.8525170.7895124.3425099.185154.3435081.2564955.9214794.0654706.9354617.6084535.6094493.1284531.7254451.2274369.5774275.9082792.0112652.5112610.8662557.4022222.594NANANA
us-gaap:LiabilitiesAndStockholdersEquity ▇▇███▇▇▇▆▆▆▆▆▆▅▅▅▅▅▅▅▅▅▄▄▄▄▄▄▄▄▄▄▄▄▄▃▃▂▁▁▁▁8461.9648559.818942.4249000.1929069.6678461.5917856.8537878.4367636.987519.137392.8057320.5967285.717248.1146780.2496686.2846658.0676497.7216438.1296380.3126296.5026181.036042.3385839.5295782.9345755.1465799.885717.9655587.4865418.7855325.1065236.2295150.485110.3785147.5345061.4444972.3814877.1243299.0133157.4983114.5823057.7722720.542NANANA
us-gaap:StockholdersEquity █▂▁972.252945.399941.778NA926.413912.568945.606932.311918.468900.572900.14890.368877.283865.777803.83804.762795.618703.873695.544696.371689.656680.417667.485663.468653.516651.319640.75632.4627.663620.799613.867614.811611.284614.039612.097605.962598.865597.531503.602501.89501.077497.582495.443NANANA
us-gaap:TierOneRiskBasedCapital NANA773.777NANANA790.527NANANA765.089NANANA687.299NANANA575.83NANANA545.035NANANA504.964NANANA480.472NANANA465.142NANANA450.525NANANANANANANA
 us-gaap:TierOneRiskBasedCapital dei:LegalEntity brkl:BankRhodeIslandNANA239.337NANANA240.362NANANA209.67NANANA193.849NANANA182.202NANANA171.967NANANA150.403NANANA134.904NANANA136.1NANANANANANANANANANANA
 us-gaap:TierOneRiskBasedCapital us-gaap:ConsolidatedEntities srt:SubsidiariesNANA557.31NANANA513.311NANANA506.277NANANA423.035NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
us-gaap:CashAndCashEquivalentsAtCarryingValue ▆▃█▆▅▆▂▃▂▂▂▁▁▂▁▁▂▁▁▁▁▁▂▁▂▄▁▂▂▁▂▂▂▂▂▂▄▃▂▂▂▂▁▁▂▁320.449130.927434.917317.333254.916340.76877.79178.5392.796112.33989.58453.87655.47884.45661.00563.363113.59562.74367.65764.54769.94273.92275.48947.04491.876197.12162.72388.13879.73372.93692.50595.41599.79592.096117.09776.272217.088133.266106.296105.881117.27396.40665.90868.21988.21470.805
us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents ▆▂█▆▅▆▁▃▂▂▂▁▁▂▁320.449130.927434.917317.333254.916340.76877.79178.5392.796112.33989.58453.87655.47884.45661.005NANANA67.657NANANANANANANANANANANANANANANANANANANANANANANANANANANA
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
us-gaap:PropertyPlantAndEquipmentGross NANA153.801NANANA151.113NANANA146.522NANANA143.706NANANA134.966NANANA129.878NANANA125.287NANANA124.925NANANA109.776NANANA58.221NANANA23.106NANANA
 us-gaap:PropertyPlantAndEquipmentGross us-gaap:PropertyPlantAndEquipmentByType brkl:CoreProcessingSystemandSoftwareNANA21.096NANANA20.748NANANA20.466NANANA19.791NANANA19.433NANANA18.933NANANA18.496NANANA16.539NANANANANANANANANANANANANANANA
 us-gaap:PropertyPlantAndEquipmentGross us-gaap:PropertyPlantAndEquipmentByType brkl:FineArtNANA0.553NANANA0.545NANANA0.533NANANA0.495NANANA0.472NANANA0.349NANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:PropertyPlantAndEquipmentGross us-gaap:PropertyPlantAndEquipmentByType brkl:FurnitureFixturesAndEquipmentNANA15.732NANANA15.393NANANA14.696NANANA14.226NANANA13.439NANANA13.019NANANA12.224NANANA25.633NANANA22.537NANANA11.947NANANA9.474NANANA
 us-gaap:PropertyPlantAndEquipmentGross us-gaap:PropertyPlantAndEquipmentByType us-gaap:BuildingAndBuildingImprovementsNANA91.66NANANA90.086NANANA87.913NANANA88.283NANANA84.835NANANA81.466NANANA78.461NANANA75.271NANANA67.672NANANA37.607NANANA13.57NANANA
 us-gaap:PropertyPlantAndEquipmentGross us-gaap:PropertyPlantAndEquipmentByType us-gaap:ComputerEquipmentNANA12.296NANANA11.886NANANA10.488NANANA9.728NANANA9.004NANANA8.677NANANA8.4NANANA4.715NANANANANANANANANANANANANANANA
 us-gaap:PropertyPlantAndEquipmentGross us-gaap:PropertyPlantAndEquipmentByType us-gaap:LandNANA12.329NANANA12.32NANANA12.3NANANA11.057NANANA7.562NANANA7.562NANANA7.562NANANA7.481NANANA7.553NANANA7.5NANANA0.062NANANA
 us-gaap:PropertyPlantAndEquipmentGross us-gaap:PropertyPlantAndEquipmentByType us-gaap:VehiclesNANA0.135NANANA0.135NANANA0.126NANANA0.126NANANA0.221NANANA0.221NANANA0.144NANANA0.212NANANANANANANANANANANANANANANA
us-gaap:AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment █████▇▇▇▇▇▆▆▆▆▆▆▆▅▅▅▅▅▄▄▄▄▄▄▃▃▄▄▃▃▃▁▁▁▁84.19183.2982.23381.04179.78878.34376.76375.15473.41771.83170.1468.77166.99165.1563.42361.71661.83160.06858.7957.03255.28753.50551.72249.97348.21646.4644.66842.85841.06740.23144.4242.8741.51440.09838.98522.34221.42620.36519.726NANANA11.98NANANA
us-gaap:AmortizationOfIntangibleAssets ▁▁▁▁▁▁▂▂▂▂▂▂▂▂▂▂▂▂▃▃▃▃▃▃▃▃▄▄▄▄▅▅▅▅█▆▆▆▂▂▂▁▁▁▁▁0.2280.2320.3120.3120.3110.3360.420.4210.420.4020.5370.5370.5390.4670.5190.5190.5190.5320.6210.6230.6210.6350.7240.7250.7240.7380.8270.8280.8270.8611.1271.1541.1771.1651.7971.2711.2711.2830.3770.4430.4550.2960.3060.3060.3060.306
us-gaap:PropertyPlantAndEquipmentNet ▇▇▇▇▇▇▇▇▇▇▇██████▇▇▇▇███████████▇▇▇▆▅▅▄▃▃▂▁71.2472.52471.56872.44173.12773.78674.3575.22975.37375.5276.38277.88679.19480.26880.28381.15981.05276.97376.17675.46276.13177.12878.15677.47277.89279.25280.61981.47982.16681.39680.50579.50476.86774.22370.79166.81456.24848.90838.49535.85934.72720.06311.126NANANA
 us-gaap:InvestmentsInAffiliatesSubsidiariesAssociatesAndJointVentures us-gaap:ConsolidatedEntities srt:ParentCompanyNANA939.0NANANA924.352NANANA864.798NANANA753.056NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:Goodwill ██████████████▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇▁▁▁▁▁160.427160.427160.427160.427160.427160.427160.427160.427160.427160.427160.427160.427160.427160.896137.89137.89137.89137.89137.89137.89137.89137.89137.89137.89137.89137.89137.89137.89137.89137.89137.89137.89137.89137.89137.89137.89137.89138.91445.79946.20345.96646.85443.241NANANA
us-gaap:IntangibleAssetsNetExcludingGoodwill ▁▁▁▁▂▂▂▂▂▂▃▃▃▃▃▃▃▃▄▄▄▅▅▅▆▆▆▇▇██2.6922.923.1523.4643.7764.0874.4234.8435.2645.6846.0866.6237.167.6976.0446.5637.0827.6018.1338.7549.3779.99810.63311.35712.08212.80613.54414.37115.19916.02616.887NANANA21.51NANANANANANANANANANANA
us-gaap:FiniteLivedIntangibleAssetsNet ▁▃▅█1.6031.8312.0632.375NANANANANANANANANANANANANANANANANANANANANANANANANANANA18.01519.16820.34521.5123.30724.57825.8495.2145.5916.0345.5691.871NANANA
us-gaap:IntangibleAssetsNetIncludingGoodwill ▆▇▇▇▇▇▇▇▇▇▇███▁▁▁▁▂▂▂▂▂▃▃▃▃▃▄▄▄▄▅163.119163.347163.579163.891164.203164.514164.85165.27165.691166.111166.513167.05167.587168.593143.934144.453144.972145.491146.023146.644147.267147.888148.523149.247149.972150.696151.434152.261153.089153.916154.777155.905157.058NA159.4NANANANANANANANANANANA
us-gaap:DeferredTaxAssetsLiabilitiesNet NANA40.129NANANA25.017NANANA21.495NANANA15.061NANANA25.247NANANA26.817NANANA27.687NANANA31.71NANANA27.197NANANA12.681NANANA10.206NANANA
us-gaap:OperatingLeaseRightOfUseAsset ▁▂▄▃▄▅▅█▇22.68223.1824.14323.49224.34324.78924.87626.21625.928NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:EquitySecuritiesFvNi NA0.5180.5260.5251.9922.5583.5814.5814.6984.34.2074.169NANA0.0NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:EquitySecuritiesFvNi us-gaap:FairValueByFairValueHierarchyLevel,us-gaap:FairValueByMeasurementFrequency us-gaap:FairValueInputsLevel2,us-gaap:FairValueMeasurementsRecurringNA0.5180.5260.5250.5231.0311.0121.0141.0040.9860.9720.0NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:EquitySecuritiesFvNi us-gaap:FairValueByMeasurementFrequency us-gaap:FairValueMeasurementsRecurringNA0.5180.5260.5251.9922.5583.5814.5814.6984.3414.2074.169NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
us-gaap:LongTermDebt ▁▂▄▅█▇▅▅▅▄▅▆▆▆▅▅▆▆▆▅▅▅▅▅▅▅▆▆▆▅▄▄▄▄▄▄▄▄▂363.014546.003820.2471005.0451406.6691291.804902.749986.405930.764866.005920.5421082.8861110.9231099.4291020.819985.8951066.6431056.7851044.0861022.6531028.4391028.309983.029960.22937.648924.9251126.4041132.8651041.004892.016812.555828.802830.066820.447853.969828.256794.101758.536506.919NANANANANANANA
us-gaap:DebtAndCapitalLeaseObligations NANA820.247NANANA902.749NANANA920.542NANANA1020.819NANANA1044.086NANANA983.029NANANA1126.404NANANANANANANANANANANANANANANANANANANA
 us-gaap:DebtAndCapitalLeaseObligations us-gaap:DebtInstrument brkl:OtherDebtNANA87.652NANANA60.689NANANA52.734NANANA47.639NANANA50.207NANANA38.227NANANA39.615NANANANANANANANANANANANANANANANANANANA
 us-gaap:DebtAndCapitalLeaseObligations us-gaap:DebtInstrument brkl:SubordinatedDebentureSeptember2029NANA74.126NANANA74.026NANANA73.926NANANA73.825NANANA73.725NANANA73.624NANANA73.524NANANANANANANANANANANANANANANANANANANA
 us-gaap:DebtAndCapitalLeaseObligations us-gaap:DebtInstrument brkl:SubordinatedDebenturesMaturingJune262033March172034andSeptember152029NANA83.746NANANA83.591NANANA83.433NANANA83.271NANANA83.105NANANA82.936NANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:DebtAndCapitalLeaseObligations us-gaap:DebtInstrument brkl:SubordinatedDebtMatureJune2033NANA4.848NANANA4.826NANANA4.803NANANA4.778NANANA4.752NANANA4.725NANANA4.696NANANANANANANANANANANANANANANANANANANA
 us-gaap:DebtAndCapitalLeaseObligations us-gaap:DebtInstrument brkl:SubordinatedDebtMatureMarch2034NANA4.772NANANA4.739NANANA4.704NANANA4.668NANANA4.628NANANA4.589NANANA4.543NANANANANANANANANANANANANANANANANANANA
 us-gaap:DebtAndCapitalLeaseObligations us-gaap:DebtInstrument us-gaap:FederalHomeLoanBankAdvancesNANA648.849NANANA758.469NANANA784.375NANANA889.909NANANA910.774NANANA861.866NANANA1004.026NANANANANANANANANANANANANANANANANANANA
 us-gaap:DebtAndCapitalLeaseObligations us-gaap:DebtInstrument us-gaap:RepurchaseAgreementsNANA57.7NANANA42.7NANANA52.7NANANA37.6NANANA50.207NANANA38.227NANANA39.633NANANANANANANANANANANANANANANANANANANA
 us-gaap:DebtAndCapitalLeaseObligations us-gaap:DebtInstrument us-gaap:SubordinatedDebtNANA83.746NANANA83.591NANANA83.433NANANA83.271NANANA83.105NANANA82.936NANANA82.763NANANANANANANANANANANANANANANANANANANA
 us-gaap:DebtAndCapitalLeaseObligations us-gaap:LongtermDebtType brkl:OtherDebtNANA87.652NANANA60.689NANANA52.734NANANA47.639NANANA50.207NANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearTwo ▃▁█▅4.9354.6435.4975.166NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearThree ▂▁█▆3.5813.3664.5694.147NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearFour ▂▁█▄2.472.3433.2912.747NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearFive ▂▁█▂1.6971.5592.2661.708NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFive ▁▁█▇3.6563.5715.0644.924NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
us-gaap:StockholdersEquity █▂▁972.252945.399941.778NA926.413912.568945.606932.311918.468900.572900.14890.368877.283865.777803.83804.762795.618703.873695.544696.371689.656680.417667.485663.468653.516651.319640.75632.4627.663620.799613.867614.811611.284614.039612.097605.962598.865597.531503.602501.89501.077497.582495.443NANANA
us-gaap:StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest NA945.399941.778935.558926.413912.568945.606932.311918.468900.572910.619899.825886.368874.746812.583812.536803.059711.249702.749702.917695.949686.794673.486668.74658.592655.966645.537636.709631.565624.72618.171618.621614.871617.25615.809610.217602.804601.216507.002504.987503.716500.37497.948497.554494.478492.047
 us-gaap:StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest us-gaap:StatementEquityComponents brkl:CommonStockHeldByEmployeeStockOptionPlanUnallocatedNA-0.255-0.291-0.33-0.368-0.395-0.433-0.503-0.535-0.567-0.599-0.643-0.688-0.732-0.776-0.823-0.869-0.916-0.963-1.013-1.062-1.112-1.162-1.214-1.266-1.318-1.37-1.425-1.48-1.535-1.59-1.648-1.705-1.763-1.82-1.881-1.941-2.002-2.062-2.125-2.188-2.251-2.314-2.381-2.445-2.511
 us-gaap:StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest us-gaap:StatementEquityComponents us-gaap:AccumulatedDefinedBenefitPlansAdjustmentNA-0.099-0.0990.0840.0840.0840.0840.2520.2520.2520.2520.1630.1630.1630.1630.3950.3950.3950.395NANANA0.351NANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest us-gaap:StatementEquityComponents us-gaap:AccumulatedNetUnrealizedInvestmentGainLossNA2.17416.58218.69119.45416.8632.1992.5230.889-4.645-9.712-15.762-13.578-11.829-6.113-2.288-2.57-3.656-4.213NANANA-2.827NANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest us-gaap:StatementEquityComponents us-gaap:AccumulatedOtherComprehensiveIncomeNA2.08216.4918.78219.53816.9472.2832.7751.141-4.393-9.46-15.599-13.415-11.666-5.95-1.893-2.175-3.261-3.8184.8965.9693.352-2.4761.191-1.7751.747-1.622-4.681-3.209-5.936-7.915-4.9-4.4412.2333.4833.5691.9692.4571.9632.543.2542.0072.3483.8283.2572.939
 us-gaap:StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest us-gaap:StatementEquityComponents us-gaap:AdditionalPaidInCapitalNA737.882737.178736.294738.155737.422736.601735.928737.584736.872755.629753.941756.254755.843699.976697.888699.923617.364616.734616.142617.738617.477616.899616.252618.044617.845617.475616.997617.709617.978617.538616.968619.036618.711618.429618.176618.184618.031525.171525.012524.841524.671524.515524.336524.191524.058
 us-gaap:StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest us-gaap:StatementEquityComponents us-gaap:CommonStockNA0.8520.8520.8520.8520.8520.8520.8520.8520.8520.8520.8520.8520.8520.8170.8170.8170.7570.7570.7570.7570.7570.7570.7570.7570.7570.7570.7570.7570.7570.7570.7570.7540.7540.7540.7540.7540.7540.6440.6440.6440.6440.6440.6440.6440.644
 us-gaap:StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest us-gaap:StatementEquityComponents us-gaap:ParentNANA941.778935.558926.413912.568945.606932.311918.468900.572900.14890.368877.283865.777803.83804.762795.618703.873695.544696.371689.656680.417667.485663.468653.516651.319640.75632.4627.663620.799613.867614.811611.284614.039612.097605.962598.865597.531503.602501.89501.077497.582495.443495.257492.416489.779
 us-gaap:StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest us-gaap:StatementEquityComponents us-gaap:RetainedEarningsNA282.301264.892247.336237.808227.359265.376252.435238.625226.929212.838200.151185.734172.934161.217160.225151.759143.766136.671129.74122.469116.151109.675102.68496.12890.58983.79278.9873.37369.36164.90363.2159.74756.21153.35847.45142.00640.39839.99337.92636.63334.61832.35730.93728.87626.756
 us-gaap:StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest us-gaap:StatementEquityComponents us-gaap:TreasuryStockNA-77.463-77.343-67.376-69.572-69.617-59.073-59.176-59.199-59.121-59.12-48.334-51.454-51.454-51.454-51.452-53.837-53.837-53.837-54.151-56.215-56.208-56.208-56.202-58.372-58.301-58.282-58.228-59.487-59.826-59.826-59.576-62.107-62.107-62.107-62.107-62.107-62.107-62.107-62.107-62.107-62.107-62.107-62.107-62.107-62.107
us-gaap:CommonStockValue ██████████████▇▇▇▅▅▅▅▅▅▅▅▅▅▅▅▅▅▅▅▅▅▅▅▅▁▁▁▁▁0.8520.8520.8520.8520.8520.8520.8520.8520.8520.8520.8520.8520.8520.8520.8170.8170.8170.7570.7570.7570.7570.7570.7570.7570.7570.7570.7570.7570.7570.7570.7570.7570.7540.7540.7540.7540.7540.7540.6440.6440.6440.6440.644NANANA
us-gaap:AdditionalPaidInCapitalCommonStock ▇▇▇▇▇▇▇▇▇▇████▆▆▆▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▁▁▁738.557737.882737.178736.294738.155737.422736.601735.928737.584736.872755.629753.941756.254755.843699.976697.888699.923617.364616.734616.142617.738617.477616.899616.252618.044617.845617.475616.997617.709617.978617.538616.968619.036618.711618.429618.176618.184618.031525.171525.012524.841NA524.515NANANA
us-gaap:AccumulatedOtherComprehensiveIncomeLossNetOfTax ▅▅▇██▇▅▅▄▃▂▁▁▂▃▄▄▃▃▅▅▅▄▄▄▄▄▃▃▃▃▃▃▅▅▅▄▅▄▅▅▅▅6.0892.08216.4918.78219.53816.9472.2832.7751.141-4.393-9.46-15.599-13.415-11.666-5.95-1.893-2.175-3.261-3.8184.8965.9693.352-2.4761.191-1.7751.747-1.622-4.681-3.209-5.936-7.915-4.9-4.4412.2333.4833.5691.9692.4571.9632.543.2542.0072.348NANANA
us-gaap:TreasuryStockValue ███▆▆▆▄▄▄▄▄▁▂▂▂▂▂▂▂▂▃▃▃▃▃▃▃▃▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄77.49377.46377.34367.37669.57269.61759.07359.17659.19959.12159.1248.33451.45451.45451.45451.45253.83753.83753.83754.15156.21556.20856.20856.20258.37258.30158.28258.22859.48759.82659.82659.57662.10762.10762.10762.10762.10762.10762.10762.10762.10762.10762.107NANANA
us-gaap:AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue ▄▃▁▆█▅0.530.4840.4160.6250.70.579NANA0.5780.813NA0.7020.3130.6332.0590.2780.5320.5590.9760.3020.2030.5290.5440.3810.0760.310.3620.4080.0340.4010.320.5370.2540.2820.258-0.0130.1530.1480.1270.1350.0430.0590.0790.020.020.02
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
us-gaap:NetCashProvidedByUsedInOperatingActivities ▆▅▆▅▁█▄▆▅▄▅▅▅▅▅▅▄▅▅▅▅▄▅▅51.89219.41841.71737.707-59.42192.4857.16456.67722.89915.97933.97432.83626.85429.36526.65724.00615.31818.96630.34222.52124.9120.32333.81419.408NANANANANANANANANANANANANANANANA2.77418.733NANA7.96813.063
us-gaap:NetCashProvidedByUsedInInvestingActivities █▆▇▆▁▄▅▅▅▅▆▆▅▃▅▅▅▅▅▅▅▅▅▅302.3773.149161.70383.624-681.503-259.353-115.861-122.921-99.439-60.801-37.227-33.107-65.793-451.895-123.545-82.482-106.429-71.518-88.875-96.529-113.724-128.835-183.478-96.497NANANANANANANANANANANANANANANANA-35.935-65.489NANA-6.571-22.328
us-gaap:NetCashProvidedByUsedInFinancingActivities ▂▁▃▃█▆▃▄▄▄▄▃▃▇▄▃▄▄▄▄▄▄▅▄-164.747-326.557-85.836-58.914655.072429.8467.957151.97856.99767.57738.961-1.3319.961445.98194.538.244141.96347.63861.64368.61384.832126.945178.10932.257NANANANANANANANANANANANANANANANA54.02877.254NANA16.01213.549
us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect ▇▁▆▆▄█▄▆▅▅▅▅▄▅189.522-303.99117.58462.417-85.852262.978-100.7485.734-19.54322.75535.708-1.602-28.97823.451NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
us-gaap:AmortizationOfFinancingCosts ▅▅▅▅▅▅▅▅▅▅▅▅▅▅▅▅▅▅█▂▅▅█▂▅▅▅▂▁▁▁0.0250.0250.0260.0240.0250.0260.0250.0250.0250.0250.0250.0250.0250.0250.0250.0250.0250.0250.0450.0050.0260.0250.0440.0060.0250.0250.0250.0040.00.00.0NANANANANANANANANANANANANANANA
us-gaap:DeferredIncomeTaxExpenseBenefit ▅▅▆▅▄▁▅▅▅▅▅▅▅▄█▅▅▄▅▅▅▅▅▅▅▅▅▅▅▅▆▄▄▅▆▄▅▅▅▅▅▅▅▅▅▅0.4011.3456.8040.65-5.269-17.270.536-0.039-0.109-0.39-0.997-0.803-1.133-2.5214.721-1.2682.27-4.9252.5130.0080.412-0.6110.9641.094-0.67-0.149-0.387-0.479-0.2151.2614.429-1.309-1.5970.9213.647-2.785-1.1840.985-0.0481.287-0.324-0.131-0.3390.0080.347-0.129
us-gaap:NetCashProvidedByUsedInOperatingActivities ▆▅▆▅▁█▄▆▅▄▅▅▅▅▅▅▄▅▅▅▅▄▅▅51.89219.41841.71737.707-59.42192.4857.16456.67722.89915.97933.97432.83626.85429.36526.65724.00615.31818.96630.34222.52124.9120.32333.81419.408NANANANANANANANANANANANANANANANA2.77418.733NANA7.96813.063
us-gaap:NetIncomeLoss █▇▇▆▆▁▇▇▆▇▇▇▆▆▄▆▆▅▅▅▅▅▅▅▅▅▅▅▅▅▅▅▅▅31.60226.45426.66118.67919.571-17.27622.18322.59620.47122.46721.13822.4620.83118.6336.82715.36614.8813.44513.27913.61712.65412.81213.32712.88811.86511.70310.78611.5819.97610.4227.6549.4299.498.813NANANANANANA7.0017.267NANA7.0836.353
us-gaap:ProfitLoss NA26.45426.66318.67919.571-17.27622.18322.59620.47122.5122.1623.23421.72919.4287.80616.16715.63314.01313.93814.27213.37213.64214.05513.44912.55912.30511.26312.24310.45210.8448.1499.9199.8659.2412.2311.7227.7836.6347.3616.5827.3277.556.6067.2737.2466.515
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
us-gaap:NetCashProvidedByUsedInInvestingActivities █▆▇▆▁▄▅▅▅▅▆▆▅▃▅▅▅▅▅▅▅▅▅▅302.3773.149161.70383.624-681.503-259.353-115.861-122.921-99.439-60.801-37.227-33.107-65.793-451.895-123.545-82.482-106.429-71.518-88.875-96.529-113.724-128.835-183.478-96.497NANANANANANANANANANANANANANANANA-35.935-65.489NANA-6.571-22.328
us-gaap:PaymentsToAcquirePropertyPlantAndEquipment ▁▂▁▂▂▂▂▂▂▂▁▂▂▂▂▂▄▂▂▂▂▂▂▂▁▁▂▂▂▃▂▃▃▃▁▆▅▃▃▂█▁▁▁▂▁0.2912.3470.3850.6180.8351.0710.7751.6321.6290.9610.0320.6990.7941.8270.9531.9875.9582.6592.5151.1250.8260.7962.4861.3720.4510.4660.9971.152.5663.0692.684.6914.1644.908-0.46211.2458.1974.6843.2331.71714.6310.3290.1940.3211.1160.464
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
us-gaap:NetCashProvidedByUsedInFinancingActivities ▂▁▃▃█▆▃▄▄▄▄▃▃▇▄▃▄▄▄▄▄▄▅▄-164.747-326.557-85.836-58.914655.072429.8467.957151.97856.99767.57738.961-1.3319.961445.98194.538.244141.96347.63861.64368.61384.832126.945178.10932.257NANANANANANANANANANANANANANANANA54.02877.254NANA16.01213.549
us-gaap:PaymentsOfDividendsCommonStock █▇▇████▇▇▆▇▆▆▄▄▄▄▃▃▃▃▃▃▃▃▃▃▃▃▃▃▃▃▃▃▃▃▃▁▁▁▁▁▁▁▁9.3838.9929.0549.0939.0769.1739.1738.7868.7758.3768.4518.0438.0316.9166.8986.96.8876.356.3486.3466.3366.3366.3356.3326.3265.9745.9745.9745.9645.9645.9615.9655.9555.965.9565.9565.9215.9444.994.9834.9855.0064.9784.9774.9635.017
us-gaap:PaymentsForRepurchaseOfCommonStock NANA9.590.00.010.410.0011.870.00.010.0NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31

Common Stock Value

us-gaap:CommonStockValue

us-gaap:CommonStockValue


Common
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value852000.0852000.0852000.0852000.0852000.0852000.0852000.0852000.0852000.0852000.0852000.0852000.0852000.0852000.0817000.0817000.0817000.0757000.0757000.0757000.0757000.0757000.0757000.0757000.0757000.0757000.0757000.0757000.0757000.0757000.0757000.0757000.0754000.0754000.0754000.0754000.0754000.0754000.0644000.0644000.0644000.0644000.0644000.0644000.0
Percentage of CommonStockValue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:CommonStockValue us-gaap:ConsolidatedEntities

srt:ParentCompany


Common
Period End2020-12-312019-12-312018-12-312017-12-31
Value852000.0852000.0852000.0817000.0
Percentage of CommonStockValue100.0100.0100.0100.0
Percentage of Assets0.00.00.00.0
Percentage of Assets srt:ParentCompany0.10.10.10.1

Weighted Average Number Of Diluted Shares Outstanding

us-gaap:WeightedAverageNumberOfDilutedSharesOutstanding

us-gaap:WeightedAverageNumberOfDilutedSharesOutstanding


Weighted
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value78787879797979797979808080787676747070707070707070707070706969696969696969695858585858585858
Percentage of WeightedAverageNumberOfDilutedSharesOutstanding100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Weighted Average Number Of Shares Outstanding Basic

us-gaap:WeightedAverageNumberOfSharesOutstandingBasic

us-gaap:WeightedAverageNumberOfSharesOutstandingBasic


Weighted
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value78787878787979797979808080777676747070707070707070707069696969696969696969695858585858585858
Percentage of WeightedAverageNumberOfSharesOutstandingBasic100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Earnings Per Share Basic

us-gaap:EarningsPerShareBasic

us-gaap:EarningsPerShareBasic


Earnings
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value0.40.340.340.240.25-0.220.280.280.260.280.260.280.260.240.090.20.20.190.190.190.180.180.190.180.170.170.150.170.140.150.110.140.140.130.170.160.110.090.120.110.120.120.110.120.120.11
Percentage of EarningsPerShareBasic100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Earnings Per Share Diluted

us-gaap:EarningsPerShareDiluted

us-gaap:EarningsPerShareDiluted


Earnings
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value0.40.340.340.240.25-0.220.280.280.260.280.260.280.260.240.090.20.20.190.190.190.180.180.190.180.170.170.150.170.140.150.110.130.140.130.170.160.110.090.120.110.120.120.110.120.120.11
Percentage of EarningsPerShareDiluted100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Tier One Risk Based Capital To Risk Weighted Assets

us-gaap:TierOneRiskBasedCapitalToRiskWeightedAssets

us-gaap:TierOneRiskBasedCapitalToRiskWeightedAssets


Tier
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-31
Value11.180.11580.12260.12340.10790.10910.10550.110.1090.159
Percentage of TierOneRiskBasedCapitalToRiskWeightedAssets100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:TierOneRiskBasedCapitalToRiskWeightedAssets dei:LegalEntity

brkl:BankRhodeIsland


Tier
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-31
Value11.030.11750.11370.11380.10940.10630.1070.1060.115
Percentage of TierOneRiskBasedCapitalToRiskWeightedAssets98.7101.592.792.2101.497.4101.496.4105.5

us-gaap:TierOneRiskBasedCapitalToRiskWeightedAssets us-gaap:ConsolidatedEntities

srt:Subsidiaries


Tier
Period End2020-12-312019-12-312018-12-312017-12-31
Value11.720.11440.12320.1181
Percentage of TierOneRiskBasedCapitalToRiskWeightedAssets104.898.8100.595.7

Capital To Risk Weighted Assets

us-gaap:CapitalToRiskWeightedAssets

us-gaap:CapitalToRiskWeightedAssets


Capital
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-31
Value13.510.13590.14420.14750.1320.13540.13240.1220.1180.17
Percentage of CapitalToRiskWeightedAssets100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:CapitalToRiskWeightedAssets dei:LegalEntity

brkl:BankRhodeIsland


Capital
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-31
Value12.290.12650.12350.12330.11870.11740.11820.1140.12
Percentage of CapitalToRiskWeightedAssets91.093.185.683.689.986.789.393.4101.7

us-gaap:CapitalToRiskWeightedAssets us-gaap:ConsolidatedEntities

srt:Subsidiaries


Capital
Period End2020-12-312019-12-312018-12-312017-12-31
Value12.970.12380.13270.1295
Percentage of CapitalToRiskWeightedAssets96.091.192.087.8

Allocated Share Based Compensation Expense

us-gaap:AllocatedShareBasedCompensationExpense

us-gaap:AllocatedShareBasedCompensationExpense


Allocated
Period End2021-06-302020-06-302016-09-302016-06-302016-03-312015-09-302015-06-302015-03-312014-09-302014-06-302014-03-312013-09-302011-09-302010-09-30
Value600000.0700000.0600000.0200000.0600000.0400000.0100000.0400000.0400000.0200000.0400000.0400000.0135000.020000.0
Percentage of AllocatedShareBasedCompensationExpense100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of InterestAndDividendIncomeOperating0.80.91.00.31.00.70.20.70.70.40.70.80.40.1

us-gaap:AllocatedShareBasedCompensationExpense us-gaap:PlanName

brkl:SharebasedCompensationPlans200320112014


Allocated
Period End2021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-31
Value500000.0400000.0700000.0700000.0600000.0-100000.0800000.0700000.0900000.0700000.0700000.0400000.0700000.0500000.0700000.0600000.0600000.0400000.0600000.0200000.0600000.0
Percentage of AllocatedShareBasedCompensationExpense0.00.00.0100.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0100.0100.0100.0
Percentage of InterestAndDividendIncomeOperating0.60.50.90.90.7-0.10.90.81.10.80.90.51.00.71.00.91.00.71.00.31.0
Percentage of InterestAndDividendIncomeOperating brkl:SharebasedCompensationPlans2003201120140.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Comprehensive Income Net Of Tax

us-gaap:ComprehensiveIncomeNetOfTax

us-gaap:ComprehensiveIncomeNetOfTax


Comprehensive
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value3512241722-2.61221242627272019123.8331515144.5651215189.659158.34315131012124.6398.972.8167.56311137.0416.8436.485.5618.2486.9264.9187.6097.4017.091
Percentage of ComprehensiveIncomeNetOfTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of InterestAndDividendIncomeOperating45.415.430.322.227.0-3.124.827.629.832.432.625.124.418.05.623.324.522.57.520.425.832.216.528.015.126.624.818.523.822.79.117.65.314.722.223.513.612.918.115.823.320.915.323.422.621.6

Comprehensive Income Net Of Tax Including Portion Attributable To Noncontrolling Interest

us-gaap:ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest

us-gaap:ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest


Comprehensive
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value241722-2.61221242627282119134.8121616145.22413151910169.03715141013125.1349.463.1917.9912137.2957.1286.7835.8688.5747.2095.1267.8447.5647.253
Percentage of ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of InterestAndDividendIncomeOperating30.322.227.0-3.124.827.629.832.433.926.125.619.17.024.525.623.48.621.527.033.617.829.016.427.725.719.724.723.410.118.66.015.522.924.014.113.518.916.624.221.715.924.223.122.1

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 End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value4235342526-23.82229302729292929252624242121222021222019191719161612141514191612111210121211121210
Percentage of IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of InterestAndDividendIncomeOperating54.044.942.931.431.7-28.533.534.231.334.635.036.437.235.038.836.537.435.035.235.935.236.738.135.935.734.331.334.830.430.824.428.728.827.836.130.523.321.535.230.935.537.835.837.637.033.4

Income Tax Expense Benefit

us-gaap:IncomeTaxExpenseBenefit

us-gaap:IncomeTaxExpenseBenefit


Income
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value108.7857.8466.6466.496-6.5467.0877.5076.786.8957.0556.147.3425.652188.338.7597.8357.5247.8047.4657.5998.2376.8977.1157.1046.2016.7795.7745.9954.3254.6455.3825.1296.8685.1764.324.7565.2814.3245.2735.0084.9184.9234.8764.439
Percentage of IncomeTaxExpenseBenefit100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of InterestAndDividendIncomeOperating13.711.29.88.27.9-7.88.18.57.88.18.47.69.47.927.412.413.412.612.312.712.613.114.112.212.912.511.112.410.811.08.59.110.29.913.09.38.39.014.712.314.915.115.315.214.913.5

Income Taxes Paid

us-gaap:IncomeTaxesPaid

us-gaap:IncomeTaxesPaid


Income
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value9.5082.2123.13713112.076.0755.8846.6128.7746.0314.3799.7910.9287.8854.263174.8616.8215.6079.0568.2865.0084.673133.2167.5185.1997.8910.5994.1473.6898.6872.6143.5157.785.5043.7715.0654.6628.8682.0124.5555.3258.3762.077
Percentage of IncomeTaxesPaid100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of InterestAndDividendIncomeOperating12.12.83.916.213.52.56.96.77.610.37.25.412.51.311.56.326.17.811.29.115.314.38.68.225.05.713.59.514.81.18.17.316.45.16.614.010.67.114.113.225.06.114.116.425.66.3

Interest And Fee Income Loans And Leases

us-gaap:InterestAndFeeIncomeLoansAndLeases

us-gaap:InterestAndFeeIncomeLoansAndLeases


Interest
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value75757676777983838280787573676463615857575554545251535251505148485049505350493533333130303030
Percentage of InterestAndFeeIncomeLoansAndLeases100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of InterestAndDividendIncomeOperating95.795.695.294.594.395.395.395.195.094.894.394.193.993.994.193.993.893.993.994.093.593.793.893.093.794.394.394.894.595.095.195.495.795.895.696.296.793.798.195.694.894.593.894.093.994.0

Interest Expense

us-gaap:InterestExpense

us-gaap:InterestExpense


Interest
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value7.3169.35812141721232424222018151210109.6039.2539.1299.1818.9798.6958.378.17.9948.0818.257.2926.9126.967.2757.4117.5377.9438.4128.9839.089.3577.3687.6427.8237.5037.6528.1839.0479.685
Percentage of InterestExpense100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of InterestAndDividendIncomeOperating9.311.915.218.321.726.126.928.127.626.024.422.719.717.015.615.414.714.815.014.915.215.014.314.314.514.314.813.413.012.714.314.614.215.415.916.217.517.720.521.722.122.623.725.227.629.5

Interest Income Expense Net

us-gaap:InterestIncomeExpenseNet

us-gaap:InterestIncomeExpenseNet


Interest
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value71696865646163636362636262595756555351525049504847484747464743434543444642432827272524242323
Percentage of InterestIncomeExpenseNet100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of InterestAndDividendIncomeOperating90.788.184.881.778.373.973.171.972.474.075.677.380.383.084.484.685.385.285.085.184.885.085.785.785.585.785.286.687.087.385.785.485.884.684.183.882.582.379.578.377.977.476.374.872.470.5

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
Value6.565111116172322252223191913129.374
Percentage of InterestPaidNet100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of InterestAndDividendIncomeOperating8.414.014.320.421.127.825.729.526.327.322.824.017.818.013.7

Marketing And Advertising Expense

us-gaap:MarketingAndAdvertisingExpense

us-gaap:MarketingAndAdvertisingExpense


Marketing
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value1110000.01100000.01010000.01024000.01017000.01075000.0828000.01035000.01112000.01069000.0773000.01068000.01118000.01057000.0856000.0839000.0857000.0817000.0823000.0844000.0853000.0861000.0903000.0878000.0823000.0748000.0872000.0745000.0776000.0665000.0807000.0758000.0768000.0670000.0818000.0689000.0774000.0703000.0201000.0414000.0407000.0321000.0324000.0359000.0412000.0129000.0
Percentage of MarketingAndAdvertisingExpense100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of InterestAndDividendIncomeOperating1.41.41.31.31.21.30.91.21.31.30.91.31.41.51.31.21.31.31.31.41.41.51.51.51.51.31.61.41.51.21.61.51.51.31.51.21.51.30.61.21.11.01.01.11.30.4

Net Income Loss

us-gaap:NetIncomeLoss

us-gaap:NetIncomeLoss


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312011-06-302011-03-312010-06-302010-03-31
Value3126261819-17.27622222022212220186.827151413131312121312111110119.976107.6549.4299.498.8137.0017.2677.0836.353
Percentage of NetIncomeLoss100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of InterestAndDividendIncomeOperating40.333.733.123.123.8-20.725.425.723.526.425.327.926.726.010.022.922.821.621.822.121.422.122.822.721.520.719.321.218.719.115.018.617.917.119.721.921.619.4

us-gaap:NetIncomeLoss us-gaap:StatementEquityComponents

us-gaap:RetainedEarnings


Net
Period End2021-06-302020-06-302011-06-302011-03-312010-06-302010-03-31
Value31197.07.2677.0836.353
Percentage of NetIncomeLoss100.0100.0100.0100.0100.0100.0
Percentage of InterestAndDividendIncomeOperating40.323.819.721.921.619.4
Percentage of InterestAndDividendIncomeOperating us-gaap:RetainedEarnings0.00.00.00.00.00.0

Net Income Loss Available To Common Stockholders Basic

us-gaap:NetIncomeLossAvailableToCommonStockholdersBasic

us-gaap:NetIncomeLossAvailableToCommonStockholdersBasic


Net
Period End2021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value26261819-17.27622222022212220186.827151413131312121312111110119.976107.6549.4299.498.81311117.5296.3497.0586.2757.0017.2676.3987.0387.0836.353
Percentage of NetIncomeLossAvailableToCommonStockholdersBasic100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of InterestAndDividendIncomeOperating33.733.123.123.8-20.725.425.723.526.425.327.926.726.010.022.922.821.621.822.121.422.122.822.721.520.719.321.218.719.115.018.617.917.122.420.614.512.019.717.819.721.919.821.721.619.4

us-gaap:NetIncomeLossAvailableToCommonStockholdersBasic us-gaap:StatementEquityComponents

us-gaap:Parent


Net
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-31
Value261819-17.27622222022212220186.827151413131312121312111110119.976107.6549.4289.4918.81311117.5296.3497.0576.2767.07.2676.398
Percentage of NetIncomeLossAvailableToCommonStockholdersBasic100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of InterestAndDividendIncomeOperating33.123.123.8-20.725.425.723.526.425.327.926.726.010.022.922.821.621.822.121.422.122.822.721.520.719.321.218.719.115.018.617.917.122.420.614.512.019.717.819.721.919.8
Percentage of InterestAndDividendIncomeOperating us-gaap:Parent0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:RetainedEarnings


Net
Period End2021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-31
Value26261819-17.27622222022212220186.827151413131312121312111110119.976107.6549.4289.4918.81311117.5296.3497.0576.2767.07.2676.398
Percentage of NetIncomeLossAvailableToCommonStockholdersBasic100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of InterestAndDividendIncomeOperating33.733.123.123.8-20.725.425.723.526.425.327.926.726.010.022.922.821.621.822.121.422.122.822.721.520.719.321.218.719.115.018.617.917.122.420.614.512.019.717.819.721.919.8
Percentage of InterestAndDividendIncomeOperating us-gaap:RetainedEarnings0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

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

us-gaap:OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationAndTax

us-gaap:OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationAndTax


Other
Period End2021-06-302020-12-312020-09-30
Value4000.007000.0
Percentage of OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationAndTax100.00.0100.0
Percentage of InterestAndDividendIncomeOperating0.00.00.0

Other Comprehensive Income Loss Net Of Tax

us-gaap:OtherComprehensiveIncomeLossNetOfTax

us-gaap:OtherComprehensiveIncomeLossNetOfTax


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-30
Value4.007-14.408-2.292-0.7562.59114-0.4921.6345.5345.0676.139-2.184-1.749-5.716-2.9940.2821.0860.557-8.714-1.0732.6175.828-3.6672.966-3.5223.3693.059-1.4722.7271.979-3.015-0.459-6.674-1.25-0.0861.6-0.488
Percentage of OtherComprehensiveIncomeLossNetOfTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of InterestAndDividendIncomeOperating5.1-18.4-2.8-0.93.217.6-0.61.96.36.07.3-2.7-2.2-8.0-4.40.41.70.9-14.3-1.74.410.1-6.35.2-6.46.05.5-2.75.13.6-5.9-0.9-12.6-2.4-0.22.9-0.9

us-gaap:OtherComprehensiveIncomeLossNetOfTax us-gaap:StatementEquityComponents

us-gaap:AccumulatedOtherComprehensiveIncome


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-30
Value4.007-14.408-2.292-0.7562.59114-0.4921.6345.5345.0676.139-2.184-1.749-5.716-2.9940.2821.0860.557-8.714-1.0732.6175.828-3.6672.966-3.5223.3693.059-1.4722.7271.979-3.015-0.459-6.674-1.25-0.0861.6
Percentage of OtherComprehensiveIncomeLossNetOfTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of InterestAndDividendIncomeOperating5.1-18.4-2.8-0.93.217.6-0.61.96.36.07.3-2.7-2.2-8.0-4.40.41.70.9-14.3-1.74.410.1-6.35.2-6.46.05.5-2.75.13.6-5.9-0.9-12.6-2.4-0.22.9
Percentage of InterestAndDividendIncomeOperating us-gaap:AccumulatedOtherComprehensiveIncome0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:Parent


Other
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-30
Value-2.292-0.7562.59114-0.4921.6345.5345.0676.139-2.184-1.749-5.716-2.9940.2821.0860.557-8.714-1.0732.6175.828-3.6672.966-3.5223.3693.059-1.4722.7271.979-3.015-0.459-6.674-1.25-0.0861.6
Percentage of OtherComprehensiveIncomeLossNetOfTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of InterestAndDividendIncomeOperating-2.8-0.93.217.6-0.61.96.36.07.3-2.7-2.2-8.0-4.40.41.70.9-14.3-1.74.410.1-6.35.2-6.46.05.5-2.75.13.6-5.9-0.9-12.6-2.4-0.22.9
Percentage of InterestAndDividendIncomeOperating us-gaap:Parent0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Profit Loss

us-gaap:ProfitLoss

us-gaap:ProfitLoss


Profit
Period End2021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value26261819-17.27622222022222321197.8061615141314131314131212111210108.1499.9199.8659.2412117.7836.6347.3616.5827.3277.556.6067.2737.2466.515
Percentage of ProfitLoss100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of InterestAndDividendIncomeOperating33.733.123.123.8-20.725.425.723.526.526.528.827.827.111.424.124.022.522.923.222.623.624.023.722.821.720.222.419.619.816.019.518.617.923.121.215.012.520.518.720.722.720.522.422.119.8

Revenue From Contract With Customer Including Assessed Tax

us-gaap:RevenueFromContractWithCustomerIncludingAssessedTax us-gaap:ProductOrService

us-gaap:RevenueFromContractWithCustomerIncludingAssessedTax

us-gaap:DepositAccount


Revenue
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-30
Value3.0152.2812.3582.3051.9292.4582.712.712.682.5232.6692.6482.622.4632.5422.5472.552
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of InterestAndDividendIncomeOperating3.82.92.92.92.32.93.13.13.13.03.23.33.43.43.73.83.9
Percentage of InterestAndDividendIncomeOperating us-gaap:DepositAccount0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:FinancialServiceOther


Revenue
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-30
Value0.6070.5990.5880.3970.5130.550.5670.7190.3980.4130.390.4170.330.290.3380.2820.229
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax20.126.324.917.226.622.420.926.514.916.414.615.712.611.813.311.19.0
Percentage of InterestAndDividendIncomeOperating0.80.80.70.50.60.70.60.80.50.50.50.50.40.40.50.40.4
Percentage of InterestAndDividendIncomeOperating us-gaap:FinancialServiceOther0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Assets

us-gaap:Assets

us-gaap:Assets


Assets
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value84618559894290009069846178567878763675197392732072857248678066866658649764386380629661816042583957825755579957175587541853255236515051105147506149724877329931573114305727202615
Percentage of Assets100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:Assets us-gaap:ConsolidatedEntities

srt:ParentCompany


Assetsus-gaap:
Period End2020-12-312019-12-312018-12-312017-12-31
Value10421045989887
Percentage of Assets11.713.313.413.1
Percentage of Assets11.713.313.413.1
Percentage of Assets srt:ParentCompany100.0100.0100.0100.0

Liabilities

us-gaap:Liabilities

us-gaap:Liabilities


Liabilities
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value74897614800080648143754969116946671866186482642063996373596758735855578657355677560054945368517051245099515450814955479447064617453544934531445143694275279226522610255722222126
Percentage of Liabilities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets88.589.089.589.689.889.288.088.288.088.087.787.787.887.988.087.887.989.189.189.088.988.988.988.588.688.688.988.988.788.588.488.288.187.988.087.987.987.784.684.083.883.681.781.3

us-gaap:Liabilities us-gaap:ConsolidatedEntities

srt:ParentCompany


Liabilitiesus-gaap:
Period End2020-12-312019-12-312018-12-312017-12-31
Value100998984
Percentage of Liabilities1.31.41.41.4
Percentage of Assets1.11.31.21.2
Percentage of Assets srt:ParentCompany9.79.59.09.5

Liabilities And Stockholders Equity

us-gaap:LiabilitiesAndStockholdersEquity

us-gaap:LiabilitiesAndStockholdersEquity


Liabilities
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-31
Value8461855989429000906984617856787876367519739273207285724867806686665864976438638062966181604258395782575557995717558754185325523651505110514750614972487732993157311430572720
Percentage of LiabilitiesAndStockholdersEquity100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:LiabilitiesAndStockholdersEquity us-gaap:ConsolidatedEntities

srt:ParentCompany


Liabilities
Period End2020-12-312019-12-312018-12-312017-12-31
Value10421045989887
Percentage of LiabilitiesAndStockholdersEquity11.713.313.413.1
Percentage of Assets11.713.313.413.1
Percentage of Assets srt:ParentCompany100.0100.0100.0100.0

Stockholders Equity

us-gaap:StockholdersEquity

us-gaap:StockholdersEquity


Stockholders
Period End2021-06-302021-03-312020-12-312020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value972945941926912945932918900900890877865803804795703695696689680667663653651640632627620613614611614612605598597503501501497495487
Percentage of StockholdersEquity100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets11.511.010.510.210.812.011.812.012.012.212.212.011.911.912.011.910.810.810.911.011.011.011.411.311.311.011.111.211.511.511.711.912.011.912.012.012.315.315.916.116.318.218.6

us-gaap:StockholdersEquity us-gaap:ConsolidatedEntities

srt:ParentCompany


Stockholders
Period End2020-12-312019-12-312018-12-312017-12-31
Value941945900803
Percentage of StockholdersEquity100.0100.0100.0100.0
Percentage of Assets10.512.012.211.9
Percentage of Assets srt:ParentCompany90.390.591.090.5

us-gaap:StockholdersEquity us-gaap:StatementEquityComponents

brkl:CommonStockHeldByEmployeeStockOptionPlanUnallocated


Stockholders
Period End2021-06-302021-03-312020-12-312020-06-302020-03-312019-12-31
Value-0.219-0.255-0.291-0.368-0.395-0.433
Percentage of StockholdersEquity-0.0-0.0-0.0-0.0-0.0-0.0
Percentage of Assets-0.0-0.0-0.0-0.0-0.0-0.0
Percentage of Assets brkl:CommonStockHeldByEmployeeStockOptionPlanUnallocated0.00.00.00.00.00.0

us-gaap:AccumulatedDefinedBenefitPlansAdjustment


Stockholders
Period End2021-06-302021-03-312020-12-312020-06-302020-03-312019-12-312017-12-312016-12-312015-12-312014-12-31
Value-0.099-0.099-0.0990.0840.0840.0840.1430.3950.3510.111
Percentage of StockholdersEquity-0.0-0.0-0.00.00.00.00.00.10.10.0
Percentage of Assets-0.0-0.0-0.00.00.00.00.00.00.00.0
Percentage of Assets us-gaap:AccumulatedDefinedBenefitPlansAdjustment0.00.00.00.00.00.00.00.00.00.0

us-gaap:AccumulatedGainLossNetCashFlowHedgeParent


Stockholders
Period End2021-06-302021-03-312020-12-31
Value0.0110.0070.007
Percentage of StockholdersEquity0.00.00.0
Percentage of Assets0.00.00.0
Percentage of Assets us-gaap:AccumulatedGainLossNetCashFlowHedgeParent0.00.00.0

us-gaap:AccumulatedNetUnrealizedInvestmentGainLoss


Stockholders
Period End2021-06-302021-03-312020-12-312020-06-302020-03-312019-12-312017-12-312016-12-312015-12-312014-12-31
Value6.1772.1741619162.199-5.03-4.213-2.827-1.733
Percentage of StockholdersEquity0.60.21.82.11.80.2-0.6-0.6-0.4-0.3
Percentage of Assets0.10.00.20.20.20.0-0.1-0.1-0.0-0.0
Percentage of Assets us-gaap:AccumulatedNetUnrealizedInvestmentGainLoss0.00.00.00.00.00.00.00.00.00.0

us-gaap:AccumulatedOtherComprehensiveIncome


Stockholders
Period End2021-06-302021-03-312020-12-312020-06-302020-03-312019-12-312017-12-312016-12-312015-12-312014-12-31
Value6.0892.0821619162.283-4.887-3.818-2.476-1.622
Percentage of StockholdersEquity0.60.21.82.11.90.2-0.6-0.5-0.4-0.3
Percentage of Assets0.10.00.20.20.20.0-0.1-0.1-0.0-0.0
Percentage of Assets us-gaap:AccumulatedOtherComprehensiveIncome0.00.00.00.00.00.00.00.00.00.0

us-gaap:AdditionalPaidInCapital


Stockholders
Period End2021-06-302021-03-312020-12-312020-06-302020-03-312019-12-31
Value738737737738737736
Percentage of StockholdersEquity76.078.078.379.780.877.9
Percentage of Assets8.78.68.28.18.79.4
Percentage of Assets us-gaap:AdditionalPaidInCapital0.00.00.00.00.00.0

us-gaap:RetainedEarnings


Stockholders
Period End2021-06-302021-03-312020-12-312020-06-302020-03-312019-12-31
Value304282264237227265
Percentage of StockholdersEquity31.329.928.125.724.928.1
Percentage of Assets3.63.33.02.62.73.4
Percentage of Assets us-gaap:RetainedEarnings0.00.00.00.00.00.0

us-gaap:TreasuryStock


Stockholders
Period End2021-06-302021-03-312020-12-312020-06-302020-03-312019-12-31
Value-77.493-77.463-77.343-69.572-69.617-59.073
Percentage of StockholdersEquity-8.0-8.2-8.2-7.5-7.6-6.2
Percentage of Assets-0.9-0.9-0.9-0.8-0.8-0.8
Percentage of Assets us-gaap:TreasuryStock0.00.00.00.00.00.0

Tier One Risk Based Capital

us-gaap:TierOneRiskBasedCapital

us-gaap:TierOneRiskBasedCapital


Tier
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-31
Value773790765687575545504480465450
Percentage of TierOneRiskBasedCapital100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets8.710.110.310.18.99.08.79.09.013.7

us-gaap:TierOneRiskBasedCapital dei:LegalEntity

brkl:BankRhodeIsland


Tier
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-31
Value239240209193182171150134136
Percentage of TierOneRiskBasedCapital30.930.427.428.231.631.629.828.129.3
Percentage of Assets2.73.12.82.92.82.82.62.52.6
Percentage of Assets brkl:BankRhodeIsland0.00.00.00.00.00.00.00.00.0

us-gaap:TierOneRiskBasedCapital us-gaap:ConsolidatedEntities

srt:Subsidiaries


Tier
Period End2020-12-312019-12-312018-12-312017-12-31
Value557513506423
Percentage of TierOneRiskBasedCapital72.064.966.261.6
Percentage of Assets6.26.56.86.2
Percentage of Assets srt:Subsidiaries0.00.00.00.0

Cash And Cash Equivalents At Carrying Value

us-gaap:CashAndCashEquivalentsAtCarryingValue

us-gaap:CashAndCashEquivalentsAtCarryingValue


Cash
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312008-12-312007-12-31
Value32013043431725434077178921128953558461631136267646973754791197628879729295999211776217133106105117966568887066121153
Percentage of CashAndCashEquivalentsAtCarryingValue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets3.81.54.93.52.84.01.02.31.21.51.20.70.81.20.90.91.71.01.11.01.11.21.20.81.63.41.11.51.41.31.71.81.91.82.31.54.42.73.23.43.83.22.40.00.00.02.50.00.0

us-gaap:CashAndCashEquivalentsAtCarryingValue us-gaap:ConsolidatedEntities

srt:ParentCompany


Cash
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-31
Value4035335.5433228
Percentage of CashAndCashEquivalentsAtCarryingValue9.346.037.69.147.737.2
Percentage of Assets0.50.50.50.10.50.5
Percentage of Assets srt:ParentCompany3.93.43.40.60.00.0

Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents

us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents

us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents


Cash
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312016-12-31
Value3201304343172543407717892112895355846167
Percentage of CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets3.81.54.93.52.84.01.02.31.21.51.20.70.81.20.91.1

Property Plant And Equipment Gross

us-gaap:PropertyPlantAndEquipmentGross

us-gaap:PropertyPlantAndEquipmentGross


Property
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-31
Value1531511461431341291251241095823
Percentage of PropertyPlantAndEquipmentGross100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets1.71.92.02.12.12.12.22.32.11.80.8

us-gaap:PropertyPlantAndEquipmentGross us-gaap:PropertyPlantAndEquipmentByType

brkl:CoreProcessingSystemandSoftware


Property
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-31
Value2120201919181816
Percentage of PropertyPlantAndEquipmentGross13.713.714.013.814.414.614.813.2
Percentage of Assets0.20.30.30.30.30.30.30.3
Percentage of Assets brkl:CoreProcessingSystemandSoftware0.00.00.00.00.00.00.00.0

brkl:FineArt


Property
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-31
Value0.5530.5450.5330.4950.4720.349
Percentage of PropertyPlantAndEquipmentGross0.40.40.40.30.30.3
Percentage of Assets0.00.00.00.00.00.0
Percentage of Assets brkl:FineArt0.00.00.00.00.00.0

brkl:FurnitureFixturesAndEquipment


Property
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-31
Value151514141313122522119.474
Percentage of PropertyPlantAndEquipmentGross10.210.210.09.910.010.09.820.520.520.541.0
Percentage of Assets0.20.20.20.20.20.20.20.50.40.40.3
Percentage of Assets brkl:FurnitureFixturesAndEquipment0.00.00.00.00.00.00.00.00.00.00.0

us-gaap:BuildingAndBuildingImprovements


Property
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-31
Value9190878884817875673713
Percentage of PropertyPlantAndEquipmentGross59.659.660.061.462.962.762.660.361.664.658.7
Percentage of Assets1.01.11.21.31.31.31.41.41.31.10.5
Percentage of Assets us-gaap:BuildingAndBuildingImprovements0.00.00.00.00.00.00.00.00.00.00.0

us-gaap:ComputerEquipment


Property
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-31
Value1211109.7289.0048.6778.44.715
Percentage of PropertyPlantAndEquipmentGross8.07.97.26.86.76.76.73.8
Percentage of Assets0.10.20.10.10.10.10.10.1
Percentage of Assets us-gaap:ComputerEquipment0.00.00.00.00.00.00.00.0

us-gaap:Land


Property
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-31
Value121212117.5627.5627.5627.4817.5537.50.062
Percentage of PropertyPlantAndEquipmentGross8.08.28.47.75.65.86.06.06.912.90.3
Percentage of Assets0.10.20.20.20.10.10.10.10.10.20.0
Percentage of Assets us-gaap:Land0.00.00.00.00.00.00.00.00.00.00.0

us-gaap:Vehicles


Property
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-31
Value0.1350.1350.1260.1260.2210.2210.1440.212
Percentage of PropertyPlantAndEquipmentGross0.10.10.10.10.20.20.10.2
Percentage of Assets0.00.00.00.00.00.00.00.0
Percentage of Assets us-gaap:Vehicles0.00.00.00.00.00.00.00.0

Accumulated Depreciation Depletion And Amortization Property Plant And Equipment

us-gaap:AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment

us-gaap:AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment


Accumulated
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312010-12-31
Value84838281797876757371706866656361616058575553514948464442414044424140382221201911
Percentage of AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets1.01.00.90.90.90.91.01.01.01.00.90.90.90.90.90.90.90.90.90.90.90.90.90.90.80.80.80.70.70.70.80.80.80.80.80.40.40.40.60.4

Amortization Of Intangible Assets

us-gaap:AmortizationOfIntangibleAssets

us-gaap:AmortizationOfIntangibleAssets


Amortization
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value228000.0232000.0312000.0312000.0311000.0336000.0420000.0421000.0420000.0402000.0537000.0537000.0539000.0467000.0519000.0519000.0519000.0532000.0621000.0623000.0621000.0635000.0724000.0725000.0724000.0738000.0827000.0828000.0827000.0861000.01127000.01154000.01177000.01165000.01797000.01271000.01271000.01283000.0377000.0443000.0455000.0296000.0306000.0306000.0306000.0306000.0
Percentage of AmortizationOfIntangibleAssets100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Property Plant And Equipment Net

us-gaap:PropertyPlantAndEquipmentNet

us-gaap:PropertyPlantAndEquipmentNet


Property
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value7172717273737475757576777980808181767675767778777779808182818079767470665648383534201110
Percentage of PropertyPlantAndEquipmentNet100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.80.80.80.80.80.90.91.01.01.01.01.11.11.11.21.21.21.21.21.21.21.21.31.31.31.41.41.41.51.51.51.51.51.51.41.31.11.01.21.11.10.70.40.4

us-gaap:PropertyPlantAndEquipmentNet us-gaap:ConsolidatedEntities

srt:ParentCompany


Property
Period End2020-12-312019-12-312018-12-312017-12-31
Value1.4122.4034.3186.032
Percentage of PropertyPlantAndEquipmentNet2.03.25.77.5
Percentage of Assets0.00.00.10.1
Percentage of Assets srt:ParentCompany0.10.20.40.7

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
Value939924864753
Percentage of InvestmentsInAffiliatesSubsidiariesAssociatesAndJointVentures100.0100.0100.0100.0
Percentage of Assets10.511.811.711.1
Percentage of Assets srt:ParentCompany90.188.487.484.8

Goodwill

us-gaap:Goodwill

us-gaap:Goodwill


Goodwill
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value160160160160160160160160160160160160160160137137137137137137137137137137137137137137137137137137137137137137137138454645464343
Percentage of Goodwill100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets1.91.91.81.81.81.92.02.02.12.12.22.22.22.22.02.12.12.12.12.22.22.22.32.42.42.42.42.42.52.52.62.62.72.72.72.72.82.81.41.51.51.51.61.7

Intangible Assets Net Excluding Goodwill

us-gaap:IntangibleAssetsNetExcludingGoodwill

us-gaap:IntangibleAssetsNetExcludingGoodwill


Intangible
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312012-12-31
Value2.6922.923.1523.4643.7764.0874.4234.8435.2645.6846.0866.6237.167.6976.0446.5637.0827.6018.1338.7549.3779.99810111212131415161621
Percentage of IntangibleAssetsNetExcludingGoodwill100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.00.00.00.00.00.00.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.20.20.20.20.20.20.30.30.30.30.4

us-gaap:IntangibleAssetsNetExcludingGoodwill us-gaap:FiniteLivedIntangibleAssetsByMajorClass

us-gaap:CoreDeposits


Intangible
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312012-12-31
Value1.6031.8312.0632.3752.6872.9983.3343.7544.1754.5954.9975.5346.0716.6084.9555.4745.9936.5127.0447.6658.2888.9099.544101011121314141519
Percentage of IntangibleAssetsNetExcludingGoodwill59.562.765.568.671.273.475.477.579.380.882.183.684.885.982.083.484.685.786.687.688.489.189.890.491.091.592.092.492.893.293.491.9
Percentage of Assets0.00.00.00.00.00.00.00.00.10.10.10.10.10.10.10.10.10.10.10.10.10.10.20.20.20.20.20.20.30.30.30.4
Percentage of Assets us-gaap:CoreDeposits0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:TradeNames


Intangible
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312015-12-312014-12-312013-12-312012-12-31
Value1.0891.0891.0891.0891.0891.0891.0891.0891.0891.0891.0891.0891.0891.0891.0891.0891.0891.0891.0891.0891.0891.0891.333
Percentage of IntangibleAssetsNetExcludingGoodwill40.537.334.531.428.826.624.622.520.719.217.916.415.214.118.016.615.414.313.410.28.06.46.2
Percentage of Assets0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0
Percentage of Assets us-gaap:TradeNames0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Finite Lived Intangible Assets Net

us-gaap:FiniteLivedIntangibleAssetsNet

us-gaap:FiniteLivedIntangibleAssetsNet


Finite
Period End2021-06-302021-03-312020-12-312020-09-302013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value1.6031.8312.0632.375181920212324255.2145.5916.0345.5691.8713.095
Percentage of FiniteLivedIntangibleAssetsNet100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.00.00.00.00.30.40.40.40.50.50.50.20.20.20.20.10.1

Intangible Assets Net Including Goodwill

us-gaap:IntangibleAssetsNetIncludingGoodwill

us-gaap:IntangibleAssetsNetIncludingGoodwill


Intangible
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302012-12-31
Value163163163163164164164165165166166167167168143144144145146146147147148149149150151152153153154155157159
Percentage of IntangibleAssetsNetIncludingGoodwill100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets1.91.91.81.81.81.92.12.12.22.22.32.32.32.32.12.22.22.22.32.32.32.42.52.62.62.62.62.72.72.82.93.03.03.1

Deferred Tax Assets Liabilities Net

us-gaap:DeferredTaxAssetsLiabilitiesNet

us-gaap:DeferredTaxAssetsLiabilitiesNet


Deferred
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-31
Value4025211525262731271210
Percentage of DeferredTaxAssetsLiabilitiesNet100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.40.30.30.20.40.40.50.60.50.40.4

Operating Lease Right Of Use Asset

us-gaap:OperatingLeaseRightOfUseAsset

us-gaap:OperatingLeaseRightOfUseAsset


Operating
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-30
Value222324232424242625
Percentage of OperatingLeaseRightOfUseAsset100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.30.30.30.30.30.30.30.30.3

Equity Securities Fv Ni

us-gaap:EquitySecuritiesFvNi

us-gaap:EquitySecuritiesFvNi


Equity
Period End2021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302017-12-31
Value518000.0526000.0525000.01992000.02558000.03581000.04581000.04698000.04300000.04207000.04169000.00
Percentage of EquitySecuritiesFvNi100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0
Percentage of Assets0.00.00.00.00.00.00.10.10.10.10.10.0

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

us-gaap:FairValueInputsLevel2, us-gaap:FairValueMeasurementsRecurring


Equity
Period End2021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-30
Value518000.0526000.0525000.0523000.01031000.01012000.01014000.01004000.0986000.0972000.00
Percentage of EquitySecuritiesFvNi100.0100.0100.026.340.328.322.121.422.923.10.0
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:FairValueByMeasurementFrequency

us-gaap:FairValueMeasurementsRecurring


Equity
Period End2021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-30
Value518000.0526000.0525000.01992000.02558000.03581000.04581000.04698000.04341000.04207000.04169000.0
Percentage of EquitySecuritiesFvNi100.0100.0100.0100.0100.0100.0100.0100.0101.0100.0100.0
Percentage of Assets0.00.00.00.00.00.00.10.10.10.10.1
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 End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value2031922502562922751671931551151031081009391959686881081099786898079797776737768716983778080301615121410
Percentage of OtherAssets100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets2.42.22.82.93.23.32.12.52.01.51.41.51.41.31.41.41.41.31.41.71.71.61.41.51.41.41.41.41.41.41.41.31.41.41.61.51.61.60.90.50.50.40.50.4

us-gaap:OtherAssets us-gaap:ConsolidatedEntities

srt:ParentCompany


Other
Period End2020-12-312019-12-312018-12-312017-12-31
Value13125.46.627
Percentage of OtherAssets5.57.25.27.2
Percentage of Assets0.20.20.10.1
Percentage of Assets srt:ParentCompany1.31.20.50.7

us-gaap:OtherAssets us-gaap:InvestmentType

brkl:AffordableHousingProject


Other
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-31
Value26291011111110109.1676.7
Percentage of OtherAssets10.717.910.612.513.113.412.813.311.022.0
Percentage of Assets0.30.40.10.20.20.20.20.20.20.2
Percentage of Assets brkl:AffordableHousingProject0.00.00.00.00.00.00.00.00.00.0

Long Term Debt

us-gaap:LongTermDebt

us-gaap:LongTermDebt


Long
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-31
Value3635468201005140612919029869308669201082111010991020985106610561044102210281028983960937924112611321041892812828830820853828794758506
Percentage of LongTermDebt100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets4.36.49.211.215.515.311.512.512.211.512.514.815.215.215.114.716.016.316.216.016.316.616.316.416.216.119.419.818.616.515.315.816.116.116.616.416.015.615.4

us-gaap:LongTermDebt us-gaap:ConsolidatedEntities

srt:ParentCompany


Long
Period End2020-12-312019-12-312018-12-312017-12-31
Value83838383
Percentage of LongTermDebt10.29.39.18.2
Percentage of Assets0.91.11.11.2
Percentage of Assets srt:ParentCompany8.08.08.49.4

Debt And Capital Lease Obligations

us-gaap:DebtAndCapitalLeaseObligations

us-gaap:DebtAndCapitalLeaseObligations


Debt
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-31
Value820902920102010449831126
Percentage of DebtAndCapitalLeaseObligations100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets9.211.512.515.116.216.319.4

us-gaap:DebtAndCapitalLeaseObligations us-gaap:DebtInstrument

brkl:OtherDebt


Debt
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-31
Value87605247503839
Percentage of DebtAndCapitalLeaseObligations10.76.75.74.74.83.93.5
Percentage of Assets1.00.80.70.70.80.60.7
Percentage of Assets brkl:OtherDebt0.00.00.00.00.00.00.0

brkl:SubordinatedDebentureSeptember2029


Debt
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-31
Value74747373737373
Percentage of DebtAndCapitalLeaseObligations9.08.28.07.27.17.56.5
Percentage of Assets0.80.91.01.11.11.21.3
Percentage of Assets brkl:SubordinatedDebentureSeptember20290.00.00.00.00.00.00.0

brkl:SubordinatedDebenturesMaturingJune262033March172034andSeptember152029


Debt
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-31
Value838383838382
Percentage of DebtAndCapitalLeaseObligations10.29.39.18.28.08.4
Percentage of Assets0.91.11.11.21.31.4
Percentage of Assets brkl:SubordinatedDebenturesMaturingJune262033March172034andSeptember1520290.00.00.00.00.00.0

brkl:SubordinatedDebtMatureJune2033


Debt
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-31
Value4.8484.8264.8034.7784.7524.7254.696
Percentage of DebtAndCapitalLeaseObligations0.60.50.50.50.50.50.4
Percentage of Assets0.10.10.10.10.10.10.1
Percentage of Assets brkl:SubordinatedDebtMatureJune20330.00.00.00.00.00.00.0

brkl:SubordinatedDebtMatureMarch2034


Debt
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-31
Value4.7724.7394.7044.6684.6284.5894.543
Percentage of DebtAndCapitalLeaseObligations0.60.50.50.50.40.50.4
Percentage of Assets0.10.10.10.10.10.10.1
Percentage of Assets brkl:SubordinatedDebtMatureMarch20340.00.00.00.00.00.00.0

us-gaap:FederalHomeLoanBankAdvances


Debt
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-31
Value6487587848899108611004
Percentage of DebtAndCapitalLeaseObligations79.184.085.287.287.287.789.1
Percentage of Assets7.39.710.613.114.114.317.3
Percentage of Assets us-gaap:FederalHomeLoanBankAdvances0.00.00.00.00.00.00.0

us-gaap:RepurchaseAgreements


Debt
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-31
Value57425237503839
Percentage of DebtAndCapitalLeaseObligations7.04.75.73.74.83.93.5
Percentage of Assets0.60.50.70.60.80.60.7
Percentage of Assets us-gaap:RepurchaseAgreements0.00.00.00.00.00.00.0

us-gaap:SubordinatedDebt


Debt
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-31
Value83838383838282
Percentage of DebtAndCapitalLeaseObligations10.29.39.18.28.08.47.3
Percentage of Assets0.91.11.11.21.31.41.4
Percentage of Assets us-gaap:SubordinatedDebt0.00.00.00.00.00.00.0

us-gaap:DebtAndCapitalLeaseObligations us-gaap:LongtermDebtType

brkl:OtherDebt


Debt
Period End2020-12-312019-12-312018-12-312017-12-312016-12-31
Value8760524750
Percentage of DebtAndCapitalLeaseObligations10.76.75.74.74.8
Percentage of Assets1.00.80.70.70.8
Percentage of Assets brkl:OtherDebt0.00.00.00.00.0

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
Value4935000.04643000.05497000.05166000.0
Percentage of LesseeOperatingLeaseLiabilityPaymentsDueYearTwo100.0100.0100.0100.0
Percentage of Assets0.10.10.10.1

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
Value3581000.03366000.04569000.04147000.0
Percentage of LesseeOperatingLeaseLiabilityPaymentsDueYearThree100.0100.0100.0100.0
Percentage of Assets0.00.00.10.0

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
Value2470000.02343000.03291000.02747000.0
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 End2021-06-302021-03-312020-12-312020-09-30
Value1697000.01559000.02266000.01708000.0
Percentage of LesseeOperatingLeaseLiabilityPaymentsDueYearFive100.0100.0100.0100.0
Percentage of Assets0.00.00.00.0

Lessee Operating Lease Liability Payments Due After Year Five

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFive

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFive


Lessee
Period End2021-06-302021-03-312020-12-312020-09-30
Value3656000.03571000.05064000.04924000.0
Percentage of LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFive100.0100.0100.0100.0
Percentage of Assets0.00.00.10.1

Operating Lease Liability

us-gaap:OperatingLeaseLiability

us-gaap:OperatingLeaseLiability


Operating
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-30
Value222324232424242625
Percentage of OperatingLeaseLiability100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.30.30.30.30.30.30.30.30.3

Lessee Operating Lease Liability Payments Due

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDue

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDue


Lessee
Period End2021-06-302021-03-312020-12-312020-09-30
Value25252626
Percentage of LesseeOperatingLeaseLiabilityPaymentsDue100.0100.0100.0100.0
Percentage of Assets0.30.30.30.3

Lessee Operating Lease Liability Undiscounted Excess Amount

us-gaap:LesseeOperatingLeaseLiabilityUndiscountedExcessAmount

us-gaap:LesseeOperatingLeaseLiabilityUndiscountedExcessAmount


Lessee
Period End2021-06-302021-03-312020-12-312020-09-30
Value2370000.02467000.02621000.02613000.0
Percentage of LesseeOperatingLeaseLiabilityUndiscountedExcessAmount100.0100.0100.0100.0
Percentage of Assets0.00.00.00.0

Stockholders Equity

us-gaap:StockholdersEquity

us-gaap:StockholdersEquity


Stockholders
Period End2021-06-302021-03-312020-12-312020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value972945941926912945932918900900890877865803804795703695696689680667663653651640632627620613614611614612605598597503501501497495487
Percentage of StockholdersEquity100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets11.511.010.510.210.812.011.812.012.012.212.212.011.911.912.011.910.810.810.911.011.011.011.411.311.311.011.111.211.511.511.711.912.011.912.012.012.315.315.916.116.318.218.6

us-gaap:StockholdersEquity us-gaap:ConsolidatedEntities

srt:ParentCompany


Stockholders
Period End2020-12-312019-12-312018-12-312017-12-31
Value941945900803
Percentage of StockholdersEquity100.0100.0100.0100.0
Percentage of Assets10.512.012.211.9
Percentage of Assets srt:ParentCompany90.390.591.090.5

us-gaap:StockholdersEquity us-gaap:StatementEquityComponents

brkl:CommonStockHeldByEmployeeStockOptionPlanUnallocated


Stockholders
Period End2021-06-302021-03-312020-12-312020-06-302020-03-312019-12-31
Value-0.219-0.255-0.291-0.368-0.395-0.433
Percentage of StockholdersEquity-0.0-0.0-0.0-0.0-0.0-0.0
Percentage of Assets-0.0-0.0-0.0-0.0-0.0-0.0
Percentage of Assets brkl:CommonStockHeldByEmployeeStockOptionPlanUnallocated0.00.00.00.00.00.0

us-gaap:AccumulatedDefinedBenefitPlansAdjustment


Stockholders
Period End2021-06-302021-03-312020-12-312020-06-302020-03-312019-12-312017-12-312016-12-312015-12-312014-12-31
Value-0.099-0.099-0.0990.0840.0840.0840.1430.3950.3510.111
Percentage of StockholdersEquity-0.0-0.0-0.00.00.00.00.00.10.10.0
Percentage of Assets-0.0-0.0-0.00.00.00.00.00.00.00.0
Percentage of Assets us-gaap:AccumulatedDefinedBenefitPlansAdjustment0.00.00.00.00.00.00.00.00.00.0

us-gaap:AccumulatedGainLossNetCashFlowHedgeParent


Stockholders
Period End2021-06-302021-03-312020-12-31
Value0.0110.0070.007
Percentage of StockholdersEquity0.00.00.0
Percentage of Assets0.00.00.0
Percentage of Assets us-gaap:AccumulatedGainLossNetCashFlowHedgeParent0.00.00.0

us-gaap:AccumulatedNetUnrealizedInvestmentGainLoss


Stockholders
Period End2021-06-302021-03-312020-12-312020-06-302020-03-312019-12-312017-12-312016-12-312015-12-312014-12-31
Value6.1772.1741619162.199-5.03-4.213-2.827-1.733
Percentage of StockholdersEquity0.60.21.82.11.80.2-0.6-0.6-0.4-0.3
Percentage of Assets0.10.00.20.20.20.0-0.1-0.1-0.0-0.0
Percentage of Assets us-gaap:AccumulatedNetUnrealizedInvestmentGainLoss0.00.00.00.00.00.00.00.00.00.0

us-gaap:AccumulatedOtherComprehensiveIncome


Stockholders
Period End2021-06-302021-03-312020-12-312020-06-302020-03-312019-12-312017-12-312016-12-312015-12-312014-12-31
Value6.0892.0821619162.283-4.887-3.818-2.476-1.622
Percentage of StockholdersEquity0.60.21.82.11.90.2-0.6-0.5-0.4-0.3
Percentage of Assets0.10.00.20.20.20.0-0.1-0.1-0.0-0.0
Percentage of Assets us-gaap:AccumulatedOtherComprehensiveIncome0.00.00.00.00.00.00.00.00.00.0

us-gaap:AdditionalPaidInCapital


Stockholders
Period End2021-06-302021-03-312020-12-312020-06-302020-03-312019-12-31
Value738737737738737736
Percentage of StockholdersEquity76.078.078.379.780.877.9
Percentage of Assets8.78.68.28.18.79.4
Percentage of Assets us-gaap:AdditionalPaidInCapital0.00.00.00.00.00.0

us-gaap:RetainedEarnings


Stockholders
Period End2021-06-302021-03-312020-12-312020-06-302020-03-312019-12-31
Value304282264237227265
Percentage of StockholdersEquity31.329.928.125.724.928.1
Percentage of Assets3.63.33.02.62.73.4
Percentage of Assets us-gaap:RetainedEarnings0.00.00.00.00.00.0

us-gaap:TreasuryStock


Stockholders
Period End2021-06-302021-03-312020-12-312020-06-302020-03-312019-12-31
Value-77.493-77.463-77.343-69.572-69.617-59.073
Percentage of StockholdersEquity-8.0-8.2-8.2-7.5-7.6-6.2
Percentage of Assets-0.9-0.9-0.9-0.8-0.8-0.8
Percentage of Assets us-gaap:TreasuryStock0.00.00.00.00.00.0

Stockholders Equity Including Portion Attributable To Noncontrolling Interest

us-gaap:StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest

us-gaap:StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest


Stockholders
Period End2021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312008-12-312007-12-31
Value945941935926912945932918900910899886874812812803711702702695686673668658655645636631624618618614617615610602601507504503500497497494492489495520
Percentage of StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets11.010.510.410.210.812.011.812.012.012.312.312.212.112.012.212.110.910.911.011.111.111.111.511.411.411.111.111.311.511.611.811.912.112.012.112.112.315.416.016.216.418.30.00.00.018.70.00.0

us-gaap:StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest us-gaap:StatementEquityComponents

brkl:CommonStockHeldByEmployeeStockOptionPlanUnallocated


Stockholders
Period End2021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312008-12-312007-12-31
Value-0.255-0.291-0.33-0.368-0.395-0.433-0.503-0.535-0.567-0.599-0.643-0.688-0.732-0.776-0.823-0.869-0.916-0.963-1.013-1.062-1.112-1.162-1.214-1.266-1.318-1.37-1.425-1.48-1.535-1.59-1.648-1.705-1.763-1.82-1.881-1.941-2.002-2.062-2.125-2.188-2.251-2.314-2.381-2.445-2.511-2.577-2.85-3.135
Percentage of StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest-0.0-0.0-0.0-0.0-0.0-0.0-0.1-0.1-0.1-0.1-0.1-0.1-0.1-0.1-0.1-0.1-0.1-0.1-0.1-0.2-0.2-0.2-0.2-0.2-0.2-0.2-0.2-0.2-0.2-0.3-0.3-0.3-0.3-0.3-0.3-0.3-0.3-0.4-0.4-0.4-0.4-0.5-0.5-0.5-0.5-0.5-0.6-0.6
Percentage of Assets-0.0-0.0-0.0-0.0-0.0-0.0-0.0-0.0-0.0-0.0-0.0-0.0-0.0-0.0-0.0-0.0-0.0-0.0-0.0-0.0-0.0-0.0-0.0-0.0-0.0-0.0-0.0-0.0-0.0-0.0-0.0-0.0-0.0-0.0-0.0-0.0-0.0-0.1-0.1-0.1-0.1-0.10.00.00.0-0.10.00.0
Percentage of Assets brkl:CommonStockHeldByEmployeeStockOptionPlanUnallocated0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:AccumulatedDefinedBenefitPlansAdjustment


Stockholders
Period End2021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312015-12-31
Value-0.099-0.0990.0840.0840.0840.0840.2520.2520.2520.2520.1630.1630.1630.1630.3950.3950.3950.3950.351
Percentage of StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest-0.0-0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.10.10.1
Percentage of Assets-0.0-0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0
Percentage of Assets us-gaap:AccumulatedDefinedBenefitPlansAdjustment0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:AccumulatedNetUnrealizedInvestmentGainLoss


Stockholders
Period End2021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312015-12-31
Value2.174161819162.1992.5230.889-4.645-9.712-15.762-13.578-11.829-6.113-2.288-2.57-3.656-4.213-2.827
Percentage of StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest0.21.82.02.11.80.20.30.1-0.5-1.1-1.8-1.5-1.4-0.8-0.3-0.3-0.5-0.6-0.4
Percentage of Assets0.00.20.20.20.20.00.00.0-0.1-0.1-0.2-0.2-0.2-0.1-0.0-0.0-0.1-0.1-0.0
Percentage of Assets us-gaap:AccumulatedNetUnrealizedInvestmentGainLoss0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:AccumulatedOtherComprehensiveIncome


Stockholders
Period End2021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312008-12-312007-12-31
Value2.082161819162.2832.7751.141-4.393-9.46-15.599-13.415-11.666-5.95-1.893-2.175-3.261-3.8184.8965.9693.352-2.4761.191-1.7751.747-1.622-4.681-3.209-5.936-7.915-4.9-4.4412.2333.4833.5691.9692.4571.9632.543.2542.0072.3483.8283.2572.9392.2011.3850.121
Percentage of StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest0.21.82.02.11.90.20.30.1-0.5-1.0-1.7-1.5-1.3-0.7-0.2-0.3-0.5-0.50.70.90.5-0.40.2-0.30.3-0.3-0.7-0.5-1.0-1.3-0.8-0.70.40.60.60.30.40.40.50.60.40.50.80.70.60.40.30.0
Percentage of Assets0.00.20.20.20.20.00.00.0-0.1-0.1-0.2-0.2-0.2-0.1-0.0-0.0-0.1-0.10.10.10.1-0.00.0-0.00.0-0.0-0.1-0.1-0.1-0.1-0.1-0.10.00.10.10.00.10.10.10.10.10.10.00.00.00.10.00.0
Percentage of Assets us-gaap:AccumulatedOtherComprehensiveIncome0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:AdditionalPaidInCapital


Stockholders
Period End2021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312008-12-312007-12-31
Value737737736738737736735737736755753756755699697699617616616617617616616618617617616617617617616619618618618618618525525524524524524524524523518513
Percentage of StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest78.078.378.779.780.877.978.980.381.883.083.885.386.486.185.987.286.887.887.788.889.991.692.293.894.295.796.997.898.999.999.7100.7100.2100.4101.3102.6102.8103.6104.0104.2104.9105.3105.4106.0106.5107.0104.698.8
Percentage of Assets8.68.28.28.18.79.49.39.79.810.210.310.410.410.310.410.59.59.69.79.810.010.210.610.710.710.610.811.111.411.611.812.012.112.012.212.412.715.916.616.917.219.30.00.00.020.00.00.0
Percentage of Assets us-gaap:AdditionalPaidInCapital0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:CommonStock


Stockholders
Period End2021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312008-12-312007-12-31
Value0.8520.8520.8520.8520.8520.8520.8520.8520.8520.8520.8520.8520.8520.8170.8170.8170.7570.7570.7570.7570.7570.7570.7570.7570.7570.7570.7570.7570.7570.7570.7570.7540.7540.7540.7540.7540.7540.6440.6440.6440.6440.6440.6440.6440.6440.6440.6370.633
Percentage of StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest0.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.1
Percentage of Assets0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0
Percentage of Assets us-gaap:CommonStock0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:Parent


Stockholders
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312008-12-312007-12-31
Value941935926912945932918900900890877865803804795703695696689680667663653651640632627620613614611614612605598597503501501497495495492489487493518
Percentage of StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest100.0100.0100.0100.0100.0100.0100.0100.098.898.999.099.098.999.099.199.099.099.199.199.199.199.299.299.399.399.399.499.499.399.499.499.599.499.399.399.499.399.499.599.499.599.599.699.599.699.699.7
Percentage of Assets10.510.410.210.812.011.812.012.012.212.212.011.911.912.011.910.810.810.911.011.011.011.411.311.311.011.111.211.511.511.711.912.011.912.012.012.315.315.916.116.318.20.00.00.018.60.00.0
Percentage of Assets us-gaap:Parent0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:RetainedEarnings


Stockholders
Period End2021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312008-12-312007-12-31
Value28226424723722726525223822621220018517216116015114313612912211610910296908378736964635956534742403937363432302826253868
Percentage of StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest29.928.126.425.724.928.127.126.025.223.422.221.019.819.819.718.920.219.418.517.616.916.315.414.613.813.012.411.611.110.510.29.79.18.77.87.06.77.97.57.36.96.56.25.85.45.27.713.2
Percentage of Assets3.33.02.72.62.73.43.23.13.02.92.72.52.42.42.42.32.22.12.01.91.91.81.81.71.61.41.41.31.31.21.21.21.11.00.90.80.81.21.21.21.11.20.00.00.01.00.00.0
Percentage of Assets us-gaap:RetainedEarnings0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:TreasuryStock


Stockholders
Period End2021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312008-12-312007-12-31
Value-77.463-77.343-67.376-69.572-69.617-59.073-59.176-59.199-59.121-59.12-48.334-51.454-51.454-51.454-51.452-53.837-53.837-53.837-54.151-56.215-56.208-56.208-56.202-58.372-58.301-58.282-58.228-59.487-59.826-59.826-59.576-62.107-62.107-62.107-62.107-62.107-62.107-62.107-62.107-62.107-62.107-62.107-62.107-62.107-62.107-62.107-62.107-61.735
Percentage of StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest-8.2-8.2-7.2-7.5-7.6-6.2-6.3-6.4-6.6-6.5-5.4-5.8-5.9-6.3-6.3-6.7-7.6-7.7-7.7-8.1-8.2-8.3-8.4-8.9-8.9-9.0-9.1-9.4-9.6-9.7-9.6-10.1-10.1-10.1-10.2-10.3-10.3-12.2-12.3-12.3-12.4-12.5-12.5-12.6-12.6-12.7-12.5-11.9
Percentage of Assets-0.9-0.9-0.7-0.8-0.8-0.8-0.8-0.8-0.8-0.8-0.7-0.7-0.7-0.8-0.8-0.8-0.8-0.8-0.8-0.9-0.9-0.9-1.0-1.0-1.0-1.0-1.0-1.1-1.1-1.1-1.1-1.2-1.2-1.2-1.2-1.2-1.3-1.9-2.0-2.0-2.0-2.30.00.00.0-2.40.00.0
Percentage of Assets us-gaap:TreasuryStock0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Common Stock Value

us-gaap:CommonStockValue

us-gaap:CommonStockValue


Common
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value852000.0852000.0852000.0852000.0852000.0852000.0852000.0852000.0852000.0852000.0852000.0852000.0852000.0852000.0817000.0817000.0817000.0757000.0757000.0757000.0757000.0757000.0757000.0757000.0757000.0757000.0757000.0757000.0757000.0757000.0757000.0757000.0754000.0754000.0754000.0754000.0754000.0754000.0644000.0644000.0644000.0644000.0644000.0644000.0
Percentage of CommonStockValue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:CommonStockValue us-gaap:ConsolidatedEntities

srt:ParentCompany


Common
Period End2020-12-312019-12-312018-12-312017-12-31
Value852000.0852000.0852000.0817000.0
Percentage of CommonStockValue100.0100.0100.0100.0
Percentage of Assets0.00.00.00.0
Percentage of Assets srt:ParentCompany0.10.10.10.1

Additional Paid In Capital Common Stock

us-gaap:AdditionalPaidInCapitalCommonStock

us-gaap:AdditionalPaidInCapitalCommonStock


Additional
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302010-12-31
Value738737737736738737736735737736755753756755699697699617616616617617616616618617617616617617617616619618618618618618525525524524
Percentage of AdditionalPaidInCapitalCommonStock100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets8.78.68.28.28.18.79.49.39.79.810.210.310.410.410.310.410.59.59.69.79.810.010.210.610.710.710.610.811.111.411.611.812.012.112.012.212.412.715.916.616.919.3

us-gaap:AdditionalPaidInCapitalCommonStock us-gaap:ConsolidatedEntities

srt:ParentCompany


Additional
Period End2020-12-312019-12-312018-12-312017-12-31
Value737736755699
Percentage of AdditionalPaidInCapitalCommonStock100.0100.0100.0100.0
Percentage of Assets8.29.410.210.3
Percentage of Assets srt:ParentCompany70.770.576.478.8

Accumulated Other Comprehensive Income Loss Net Of Tax

us-gaap:AccumulatedOtherComprehensiveIncomeLossNetOfTax

us-gaap:AccumulatedOtherComprehensiveIncomeLossNetOfTax


Accumulated
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value6.0892.082161819162.2832.7751.141-4.393-9.46-15.599-13.415-11.666-5.95-1.893-2.175-3.261-3.8184.8965.9693.352-2.4761.191-1.7751.747-1.622-4.681-3.209-5.936-7.915-4.9-4.4412.2333.4833.5691.9692.4571.9632.543.2542.0072.3482.201
Percentage of AccumulatedOtherComprehensiveIncomeLossNetOfTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.10.00.20.20.20.20.00.00.0-0.1-0.1-0.2-0.2-0.2-0.1-0.0-0.0-0.1-0.10.10.10.1-0.00.0-0.00.0-0.0-0.1-0.1-0.1-0.1-0.1-0.10.00.10.10.00.10.10.10.10.10.10.1

us-gaap:AccumulatedOtherComprehensiveIncomeLossNetOfTax us-gaap:ConsolidatedEntities

srt:ParentCompany


Accumulated
Period End2020-12-312019-12-312018-12-312017-12-31
Value162.283-9.46-5.95
Percentage of AccumulatedOtherComprehensiveIncomeLossNetOfTax100.0100.0100.0100.0
Percentage of Assets0.20.0-0.1-0.1
Percentage of Assets srt:ParentCompany1.60.2-1.0-0.7

Treasury Stock Value

us-gaap:TreasuryStockValue

us-gaap:TreasuryStockValue


Treasury
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value7777776769695959595959485151515153535354565656565858585859595959626262626262626262626262
Percentage of TreasuryStockValue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.90.90.90.70.80.80.80.80.80.80.80.70.70.70.80.80.80.80.80.80.90.90.91.01.01.01.01.01.11.11.11.11.21.21.21.21.21.31.92.02.02.02.32.4

us-gaap:TreasuryStockValue us-gaap:ConsolidatedEntities

srt:ParentCompany


Treasury
Period End2020-12-312019-12-312018-12-312017-12-31
Value77595951
Percentage of TreasuryStockValue100.0100.0100.0100.0
Percentage of Assets0.90.80.80.8
Percentage of Assets srt:ParentCompany7.45.76.05.8

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

us-gaap:AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue

us-gaap:AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue


Adjustments
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-06-302019-03-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value530000.0484000.0416000.0625000.0700000.0579000.0578000.0813000.0702000.0313000.0633000.02059000.0278000.0532000.0559000.0976000.0302000.0203000.0529000.0544000.0381000.076000.0310000.0362000.0408000.034000.0401000.0320000.0537000.0254000.0282000.0258000.0-13000.0153000.0148000.0127000.0135000.043000.059000.079000.020000.020000.020000.0
Percentage of AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue us-gaap:StatementEquityComponents

us-gaap:AdditionalPaidInCapital


Adjustments
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-06-302019-03-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value584000.0537000.0469000.0681000.0701000.0758000.0656000.0814000.0-2418000.0313000.0633000.02061000.0-2107000.0532000.0559000.0662000.0-1762000.0210000.0529000.0550000.0-1789000.0147000.0329000.0416000.0-851000.0-305000.0401000.0320000.0537000.0254000.0282000.0253000.0-8000.0153000.0148000.0127000.0135000.043000.059000.079000.020000.020000.020000.0
Percentage of AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue110.2111.0112.7109.0100.1130.9113.5100.1-344.4100.0100.0100.1-757.9100.0100.067.8-583.4103.4100.0101.1-469.6193.4106.1114.9-208.6-897.1100.0100.0100.0100.0100.098.161.5100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0
Percentage of Assets us-gaap:AdditionalPaidInCapital0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:Parent


Adjustments
Period End2020-12-312020-09-302020-06-302020-03-312019-06-302019-03-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value416000.0625000.0700000.0579000.0578000.0813000.0702000.0313000.0633000.02059000.0278000.0532000.0559000.0976000.0302000.0203000.0529000.0544000.0381000.076000.0310000.0362000.0408000.034000.0401000.0320000.0537000.0254000.0282000.0253000.0-8000.0153000.0148000.0127000.0135000.043000.059000.079000.020000.020000.020000.0
Percentage of AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.098.161.5100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0
Percentage of Assets us-gaap:Parent0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:RetainedEarnings


Adjustments
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-31
Value-54000.0-53000.0-53000.0-56000.0-46000.0-45000.0
Percentage of AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue-10.2-11.0-12.7-9.0-6.6-7.8
Percentage of Assets0.00.00.00.00.00.0
Percentage of Assets us-gaap:RetainedEarnings0.00.00.00.00.00.0

Net Cash Provided By Used In Operating Activities

us-gaap:NetCashProvidedByUsedInOperatingActivities

us-gaap:NetCashProvidedByUsedInOperatingActivities


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302011-06-302011-03-312010-06-302010-03-31
Value51194137-59.421927.16456221533322629262415183022240.32333192.774187.96813
Percentage of NetCashProvidedByUsedInOperatingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of InterestAndDividendIncomeOperating66.224.751.846.7-72.4110.78.264.526.318.840.740.734.441.039.035.723.530.449.836.642.10.657.934.27.856.424.339.8

Net Cash Provided By Used In Investing Activities

us-gaap:NetCashProvidedByUsedInInvestingActivities

us-gaap:NetCashProvidedByUsedInInvestingActivities


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302011-06-302011-03-312010-06-302010-03-31
Value3023.14916183-681.503-259.353-115.861-122.921-99.439-60.801-37.227-33.107-65.793-451.895-123.545-82.482-106.429-71.518-88.875-96.529-113.724-128.835-183.478-96.497-35.935-65.489-6.571-22.328
Percentage of NetCashProvidedByUsedInInvestingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of InterestAndDividendIncomeOperating385.64.0201.0103.6-829.8-310.5-132.5-139.8-114.1-71.5-44.6-41.1-84.3-630.8-180.8-122.8-163.3-114.7-145.7-156.9-192.0-222.5-313.9-170.2-101.4-197.2-20.0-68.0

Net Cash Provided By Used In Financing Activities

us-gaap:NetCashProvidedByUsedInFinancingActivities

us-gaap:NetCashProvidedByUsedInFinancingActivities


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302011-06-302011-03-312010-06-302010-03-31
Value-164.747-326.557-85.836-58.9146554297.957151566738-1.3319.961445948.244141476168841261783254771613
Percentage of NetCashProvidedByUsedInFinancingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of InterestAndDividendIncomeOperating-210.1-416.2-106.7-73.0797.7514.79.1172.965.479.446.6-1.712.8622.5138.312.3217.876.4101.1111.5143.2219.3304.756.9152.4232.648.941.3

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

us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect

us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect


Cash
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value189-303.9911762-85.852262-100.7485-19.5432235-1.602-28.97823
Percentage of CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of InterestAndDividendIncomeOperating241.7-387.4146.177.3-104.5314.9-115.297.5-22.426.742.7-2.0-37.132.7

Amortization Of Financing Costs

us-gaap:AmortizationOfFinancingCosts

us-gaap:AmortizationOfFinancingCosts


Amortization
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-31
Value25000.025000.026000.024000.025000.026000.025000.025000.025000.025000.025000.025000.025000.025000.025000.025000.025000.025000.045000.05000.026000.025000.044000.06000.025000.025000.025000.04000.0000
Percentage of AmortizationOfFinancingCosts100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.00.00.0

Deferred Income Tax Expense Benefit

us-gaap:DeferredIncomeTaxExpenseBenefit

us-gaap:DeferredIncomeTaxExpenseBenefit


Deferred
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value0.4011.3456.8040.65-5.269-17.270.536-0.039-0.109-0.39-0.997-0.803-1.133-2.5214-1.2682.27-4.9252.5130.0080.412-0.6110.9641.094-0.67-0.149-0.387-0.479-0.2151.2614.429-1.309-1.5970.9213.647-2.785-1.1840.985-0.0481.287-0.324-0.131-0.3390.0080.347-0.129
Percentage of DeferredIncomeTaxExpenseBenefit100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Net Cash Provided By Used In Operating Activities

us-gaap:NetCashProvidedByUsedInOperatingActivities

us-gaap:NetCashProvidedByUsedInOperatingActivities


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302011-06-302011-03-312010-06-302010-03-31
Value51194137-59.421927.16456221533322629262415183022240.32333192.774187.96813
Percentage of NetCashProvidedByUsedInOperatingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of InterestAndDividendIncomeOperating66.224.751.846.7-72.4110.78.264.526.318.840.740.734.441.039.035.723.530.449.836.642.10.657.934.27.856.424.339.8

Net Income Loss

us-gaap:NetIncomeLoss

us-gaap:NetIncomeLoss


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312011-06-302011-03-312010-06-302010-03-31
Value3126261819-17.27622222022212220186.827151413131312121312111110119.976107.6549.4299.498.8137.0017.2677.0836.353
Percentage of NetIncomeLoss100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of InterestAndDividendIncomeOperating40.333.733.123.123.8-20.725.425.723.526.425.327.926.726.010.022.922.821.621.822.121.422.122.822.721.520.719.321.218.719.115.018.617.917.119.721.921.619.4

us-gaap:NetIncomeLoss us-gaap:StatementEquityComponents

us-gaap:RetainedEarnings


Net
Period End2021-06-302020-06-302011-06-302011-03-312010-06-302010-03-31
Value31197.07.2677.0836.353
Percentage of NetIncomeLoss100.0100.0100.0100.0100.0100.0
Percentage of InterestAndDividendIncomeOperating40.323.819.721.921.619.4
Percentage of InterestAndDividendIncomeOperating us-gaap:RetainedEarnings0.00.00.00.00.00.0

Profit Loss

us-gaap:ProfitLoss

us-gaap:ProfitLoss


Profit
Period End2021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value26261819-17.27622222022222321197.8061615141314131314131212111210108.1499.9199.8659.2412117.7836.6347.3616.5827.3277.556.6067.2737.2466.515
Percentage of ProfitLoss100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of InterestAndDividendIncomeOperating33.733.123.123.8-20.725.425.723.526.526.528.827.827.111.424.124.022.522.923.222.623.624.023.722.821.720.222.419.619.816.019.518.617.923.121.215.012.520.518.720.722.720.522.422.119.8

Net Cash Provided By Used In Investing Activities

us-gaap:NetCashProvidedByUsedInInvestingActivities

us-gaap:NetCashProvidedByUsedInInvestingActivities


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302011-06-302011-03-312010-06-302010-03-31
Value3023.14916183-681.503-259.353-115.861-122.921-99.439-60.801-37.227-33.107-65.793-451.895-123.545-82.482-106.429-71.518-88.875-96.529-113.724-128.835-183.478-96.497-35.935-65.489-6.571-22.328
Percentage of NetCashProvidedByUsedInInvestingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of InterestAndDividendIncomeOperating385.64.0201.0103.6-829.8-310.5-132.5-139.8-114.1-71.5-44.6-41.1-84.3-630.8-180.8-122.8-163.3-114.7-145.7-156.9-192.0-222.5-313.9-170.2-101.4-197.2-20.0-68.0

Payments To Acquire Property Plant And Equipment

us-gaap:PaymentsToAcquirePropertyPlantAndEquipment

us-gaap:PaymentsToAcquirePropertyPlantAndEquipment


Payments
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value0.2912.3470.3850.6180.8351.0710.7751.6321.6290.9610.0320.6990.7941.8270.9531.9875.9582.6592.5151.1250.8260.7962.4861.3720.4510.4660.9971.152.5663.0692.684.6914.1644.908-0.462118.1974.6843.2331.717140.3290.1940.3211.1160.464
Percentage of PaymentsToAcquirePropertyPlantAndEquipment100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Net Cash Provided By Used In Financing Activities

us-gaap:NetCashProvidedByUsedInFinancingActivities

us-gaap:NetCashProvidedByUsedInFinancingActivities


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302011-06-302011-03-312010-06-302010-03-31
Value-164.747-326.557-85.836-58.9146554297.957151566738-1.3319.961445948.244141476168841261783254771613
Percentage of NetCashProvidedByUsedInFinancingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of InterestAndDividendIncomeOperating-210.1-416.2-106.7-73.0797.7514.79.1172.965.479.446.6-1.712.8622.5138.312.3217.876.4101.1111.5143.2219.3304.756.9152.4232.648.941.3

Payments Of Dividends Common Stock

us-gaap:PaymentsOfDividendsCommonStock

us-gaap:PaymentsOfDividendsCommonStock


Payments
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value9.3838.9929.0549.0939.0769.1739.1738.7868.7758.3768.4518.0438.0316.9166.8986.96.8876.356.3486.3466.3366.3366.3356.3326.3265.9745.9745.9745.9645.9645.9615.9655.9555.965.9565.9565.9215.9444.994.9834.9855.0064.9784.9774.9635.017
Percentage of PaymentsOfDividendsCommonStock100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Payments For Repurchase Of Common Stock

us-gaap:PaymentsForRepurchaseOfCommonStock

us-gaap:PaymentsForRepurchaseOfCommonStock


Payments
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-31
Value9.590.00.0100.0011.870.00.010.0
Percentage of PaymentsForRepurchaseOfCommonStock100.00.00.0100.0100.0100.00.00.0100.0

brkl:AccretionOfAcquisitionFairValueAdjustmentCosts

brkl:AccretionOfAcquisitionFairValueAdjustmentCosts


Accretion
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value-0.0030.0510.0170.0140.0170.3720.127-0.011-0.0110.704-0.1630.0210.973-1.1850.1160.1140.7360.6170.8551.4810.8350.7892.4131.4961.4581.8752.1072.2262.0434.8410.6751.511.2442.7642.9833.5913.1552.392-0.164-0.448-0.2830.1370.0010.0130.001-0.004
Percentage of AccretionOfAcquisitionFairValueAdjustmentCosts100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

brkl:CommitmentsToLendFundsToDebtorsOwingReceivablesWhoseTermsHadBeenModifiedInTroubledDebtRestructurings

brkl:CommitmentsToLendFundsToDebtorsOwingReceivablesWhoseTermsHadBeenModifiedInTroubledDebtRestructurings


Commitments
Period End2021-06-302021-03-312020-09-302020-06-302020-03-31
Value02100000.0-100000.0-500000.02300000.0
Percentage of CommitmentsToLendFundsToDebtorsOwingReceivablesWhoseTermsHadBeenModifiedInTroubledDebtRestructurings0.0100.0100.0100.0100.0

brkl:DepreciationAndAmortizationOfBankPremisesAndEquipment

brkl:DepreciationAndAmortizationOfBankPremisesAndEquipment


Depreciation
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value1487000.01318000.01208000.01253000.01444000.01581000.01609000.01738000.01732000.01782000.01788000.01966000.01827000.01801000.01786000.01831000.01820000.01795000.01760000.01755000.01782000.01783000.01761000.01751000.01770000.01792000.01813000.01791000.01746000.01670000.01704000.01765000.01346000.01476000.01037000.01000000.0801000.0895000.0571000.0559000.0521000.0410000.0426000.0408000.0382000.0374000.0
Percentage of DepreciationAndAmortizationOfBankPremisesAndEquipment100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

brkl:EquipmentAndDataProcessingExpense

brkl:EquipmentAndDataProcessingExpense


Equipment
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value4.6974.4934.1934.2934.1554.7034.6014.7494.6414.6614.6264.6014.3684.6184.4174.214.1644.0634.0283.8263.8983.7143.5373.63.684.024.1024.1934.3484.3774.4764.0614.153.8613.2524.0723.6323.6452.4172.3622.292.0751.9321.8741.8861.825
Percentage of EquipmentAndDataProcessingExpense100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

brkl:FinancingReceivableModificationRecordedInvestment

brkl:FinancingReceivableModificationRecordedInvestment


Financing
Period End2021-06-302020-06-302020-03-312019-12-312019-09-302018-12-312018-09-302018-06-302017-06-302016-12-312016-09-302016-06-302015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-30
Value0.4831.160.2951.3550.3921.4540.1362.1215.348-3.3971.0521.575-0.020.4930.2580.261-0.1080.2360.2780.881.7560.00.793
Percentage of FinancingReceivableModificationRecordedInvestment100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0

brkl:FinancingReceivableModificationRecordedInvestment brkl:AccountsNotesLoansAndFinancingReceivableByReceivableNature

brkl:OriginatedFinancingReceivable


Financing
Period End2021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-09-302012-06-30
Value0.2340.5660.4881.160.2951.2220.3920.4970.4251.3320.1361.9960.635-3.6181.1545.3480.741-3.3960.9061.5758.7750.0150.4930.2450.2480.0990.1910.0170.880.8420.00.3722.0320.01.05
Percentage of FinancingReceivableModificationRecordedInvestment0.00.00.0100.0100.090.2100.00.00.091.6100.094.10.00.00.0100.00.0100.086.1100.00.0-75.0100.095.095.0-91.780.96.1100.047.90.046.90.00.00.0

brkl:FinancingReceivableModificationRecordedInvestment brkl:AccountsNotesLoansAndFinancingReceivableByReceivableNature, us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable

brkl:OriginatedFinancingReceivable, brkl:CommercialLoansEquipmentFinancingLoans


Financing
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-31
Value0.4830.2340.5770.2121.160.0-0.6640.0490.4970.4251.152-0.010.2090.0-0.6960.8040.994-0.2620.4330.00.3640.00.00.00.0-0.0220.1910.00.382
Percentage of FinancingReceivableModificationRecordedInvestment100.00.00.00.0100.00.0-49.012.50.00.079.2-7.49.90.00.00.018.67.741.20.00.0-0.00.00.00.020.480.90.043.4

brkl:OriginatedFinancingReceivable, us-gaap:HomeEquity


Financing
Period End2020-12-312020-09-302019-12-312019-09-302018-12-312018-09-302018-06-302016-06-302015-12-312015-09-30
Value-0.0110.2760.00.00.00.00.00.0-0.0020.101
Percentage of FinancingReceivableModificationRecordedInvestment0.00.00.00.00.00.00.00.010.020.5

brkl:FinancingReceivableTroubledDebtRestructuringPayoffs us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable

brkl:FinancingReceivableTroubledDebtRestructuringPayoffs

us-gaap:CommercialLoan


Financing
Period End2020-12-31
Value0
Percentage of FinancingReceivableTroubledDebtRestructuringPayoffs0.0

us-gaap:ConstructionLoans


Financing
Period End2020-12-31
Value0
Percentage of FinancingReceivableTroubledDebtRestructuringPayoffs0.0

brkl:FinancingReceivableWithTypesOfModificationRecordedInvestment

brkl:FinancingReceivableWithTypesOfModificationRecordedInvestment


Financing
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-30
Value2.3984.9931.5861.160.4957.684
Percentage of FinancingReceivableWithTypesOfModificationRecordedInvestment100.0100.0100.0100.0100.0100.0

brkl:FinancingReceivableWithTypesOfModificationRecordedInvestment us-gaap:LoanRestructuringModification

brkl:AdjustedPrincipal


Financing
Period End2020-09-302020-06-30
Value0.00.044
Percentage of FinancingReceivableWithTypesOfModificationRecordedInvestment0.03.8

brkl:CombinationOfExtendedMaturityAdjustedPrincipalAndAdjustedInterestRate


Financing
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-30
Value1.2550.6930.4720.7820.22.513
Percentage of FinancingReceivableWithTypesOfModificationRecordedInvestment52.313.929.867.440.432.7

us-gaap:ExtendedMaturity


Financing
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-30
Value1.1434.31.1140.3340.2954.919
Percentage of FinancingReceivableWithTypesOfModificationRecordedInvestment47.786.170.228.859.664.0

brkl:GainLossOnSaleOfLoansAndLeasesHeldForSale

brkl:GainLossOnSaleOfLoansAndLeasesHeldForSale


Gain
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value538000.0709000.067000.0632000.0299000.0120000.0309000.0550000.0561000.0289000.0
Percentage of GainLossOnSaleOfLoansAndLeasesHeldForSale100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

brkl:IncreaseDecreaseInDemandDepositsAndSavingDeposits

brkl:IncreaseDecreaseInDemandDepositsAndSavingDeposits


Increase
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value332296221116621579079-75.3654889-82.37-172.177165254828-8.7981111244867137-6.3235129203129112103532578537310675345610848505465
Percentage of IncreaseDecreaseInDemandDepositsAndSavingDeposits100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

brkl:IncreaseDecreaseInFinancingReceivableModificationsRecordedInvestment

brkl:IncreaseDecreaseInFinancingReceivableModificationsRecordedInvestment


Increase
Period End2021-06-302021-03-312020-12-31
Value-2300000.04100000.010400000.0
Percentage of IncreaseDecreaseInFinancingReceivableModificationsRecordedInvestment100.0100.0100.0

brkl:IncreaseDecreaseInMortgagorsEscrowAccounts

brkl:IncreaseDecreaseInMortgagorsEscrowAccounts


Increase
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value-252000.0582000.0-528000.0-38000.0-974000.0209000.0160000.0249000.0-694000.091000.0-801000.0105000.0-273000.0709000.0-465000.0437000.0-318000.0387000.0-521000.0747000.0-486000.0389000.0-480000.0502000.0-920000.0-87000.0-256000.0398000.0-337000.0807000.0-119000.0543000.0-358000.0877000.0-120000.0124000.0-214000.0643000.0-430000.096000.0454000.03000.0-382000.0146000.0-351000.0492000.0
Percentage of IncreaseDecreaseInMortgagorsEscrowAccounts100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

brkl:IncreaseDecreaseInTimeDepositsRetail

brkl:IncreaseDecreaseInTimeDepositsRetail


Increase
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value-304.399-340.207-103.559235-71.6892.3339.954277711813011717915340472849-64.999-44.93242202321-8.613104397.53-17.623-16.961-15.691-22.212-23.722-14.995-30.35-6.667-11.764-32.098-2.318-14.299-15.239-12.8782.3747.153-6.493-44.641
Percentage of IncreaseDecreaseInTimeDepositsRetail100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

brkl:InterestAndDividendIncomeMarketableEquitySecurities

brkl:InterestAndDividendIncomeMarketableEquitySecurities


Interest
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-31
Value233000.0301000.0490000.0672000.0908000.0778000.0813000.0876000.0877000.0911000.01008000.01029000.01003000.0924000.0751000.0788000.0797000.0726000.0762000.0804000.0729000.0680000.0668000.01079000.0491000.0524000.0564000.0520000.0539000.044000.0301000.0298000.0303000.0310000.0439000.0103000.095000.092000.054000.048000.055000.037000.0
Percentage of InterestAndDividendIncomeMarketableEquitySecurities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

brkl:InterestAndDividendIncomeShortTermInvestment

brkl:InterestAndDividendIncomeShortTermInvestment


Interest
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value42000.039000.059000.046000.099000.0209000.0418000.0487000.0351000.0267000.0256000.0145000.0179000.0120000.0100000.0180000.095000.067000.093000.047000.063000.039000.030000.017000.060000.021000.029000.015000.014000.0449000.039000.022000.019000.031000.042000.071000.068000.027000.028000.028000.026000.024000.024000.032000.029000.015000.0
Percentage of InterestAndDividendIncomeShortTermInvestment100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

brkl:InterestExpenseDepositsExcludingBrokeredDeposits

brkl:InterestExpenseDepositsExcludingBrokeredDeposits


Interest
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-31
Value5.386.7078.8251012161718171513119.2197.0996.6815.9845.5435.085.1955.1125.0184.7454.5544.3264.2964.3044.324.2484.2014.2914.5594.6374.7434.8345.0775.3755.4635.5174.7544.9715.1384.895
Percentage of InterestExpenseDepositsExcludingBrokeredDeposits100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

brkl:InterestIncomeDebtSecurities

brkl:InterestIncomeDebtSecurities


Interest
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value3.1213.1183.3353.7463.7012.9762.912.9773.1583.2363.4893.5853.5633.3233.2143.1543.1563.02.8812.8223.0752.9322.9362.8662.9312.6832.5962.3122.362.2592.1362.0411.9341.8521.8321.9491.5413.2291.2991.4871.7541.7571.7911.9271.961.923
Percentage of InterestIncomeDebtSecurities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

brkl:LesseeOperatingLeaseLiabilityAmount

brkl:LesseeOperatingLeaseLiabilityAmount


Lessee
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-31
Value1500000.01500000.01500000.01600000.01600000.01500000.01600000.01400000.0
Percentage of LesseeOperatingLeaseLiabilityAmount100.0100.0100.0100.0100.0100.0100.0100.0

brkl:NoninterestExpenseOther

brkl:NoninterestExpenseOther


Noninterest
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value3940384038393938
Percentage of NoninterestExpenseOther100.0100.0100.0100.0100.0100.0100.0100.0

brkl:PercentageOfLoansAndLeasesReceivableToAggregateOutstandingAmountInNewYorkNewJerseyAndOtherNorthEasternStates

brkl:PercentageOfLoansAndLeasesReceivableToAggregateOutstandingAmountInNewYorkNewJerseyAndOtherNorthEasternStates


Percentage
Period End2021-06-302021-03-31
Value15.012.7
Percentage of PercentageOfLoansAndLeasesReceivableToAggregateOutstandingAmountInNewYorkNewJerseyAndOtherNorthEasternStates100.0100.0

brkl:PercentageOfLoansAndLeasesReceivableToAggregateOutstandingAmountInStatesOutsideOfNortheastRegionInUnitedStates

brkl:PercentageOfLoansAndLeasesReceivableToAggregateOutstandingAmountInStatesOutsideOfNortheastRegionInUnitedStates


Percentage
Period End2021-06-302021-03-312020-12-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-31
Value-15.087.3-44.20.0170.0020.0140.6710.0080.0090.010.6450.007
Percentage of PercentageOfLoansAndLeasesReceivableToAggregateOutstandingAmountInStatesOutsideOfNortheastRegionInUnitedStates100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

brkl:ProceedsFromSaleOfAvailableForSaleAndRestrictedSecurities

brkl:ProceedsFromSaleOfAvailableForSaleAndRestrictedSecurities


Proceeds
Period End2020-12-312020-09-302020-06-302020-03-31
Value142-0.018-85.91786
Percentage of ProceedsFromSaleOfAvailableForSaleAndRestrictedSecurities100.0100.0100.0100.0

brkl:SpecificAllowanceForLoanAndLeaseLossesPeriodIncreaseDecrease

brkl:SpecificAllowanceForLoanAndLeaseLossesPeriodIncreaseDecrease


Specific
Period End2021-06-302021-03-312020-09-302020-06-302020-03-31
Value0-1200000.0-3500000.01800000.03500000.0
Percentage of SpecificAllowanceForLoanAndLeaseLossesPeriodIncreaseDecrease0.0100.0100.0100.0100.0

brkl:SpecificAllowanceForLoanAndLeaseLossesPeriodIncreaseDecrease us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable

brkl:CommercialRealEstateMortgage


Specific
Period End2020-09-302020-06-302020-03-31
Value0600000.01700000.0
Percentage of SpecificAllowanceForLoanAndLeaseLossesPeriodIncreaseDecrease-0.033.348.6

brkl:StockRepurchaseProgramWeightedAverageSharePrice

brkl:StockRepurchaseProgramWeightedAverageSharePrice


Stock
Period End2020-12-31
Value-0.61
Percentage of StockRepurchaseProgramWeightedAverageSharePrice100.0

brkl:WeightedAverageInterestRateFinancingReceivable

brkl:WeightedAverageInterestRateFinancingReceivable


Weighted
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-31
Value0.093.84-0.023.9496-0.00620.0466-0.0015-0.00150.00010.05170.00130.00090.00160.04730.00070.00030.00090.04450.0005-0.0001-0.00010.04350.0003-0.0002-0.00040.0439-0.0002-0.0003-0.00050.045-0.0005-0.0008-0.00070.0475
Percentage of WeightedAverageInterestRateFinancingReceivable100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

brkl:WeightedAverageInterestRateFinancingReceivable us-gaap:FinancingReceivablePortfolioSegment

us-gaap:CommercialPortfolioSegment


Weighted
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value0.54.610.034.7812-0.01340.0622-0.0004-0.00090.00040.0650.00170.0010.00150.06010.00070.00050.00020.0578
Percentage of WeightedAverageInterestRateFinancingReceivable555.6120.1-150.0121.1216.1133.526.760.0400.0125.7130.8111.193.8127.1100.0166.722.2129.9

us-gaap:CommercialRealEstatePortfolioSegment


Weighted
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value-0.033.49-0.043.5637-0.00540.0417-0.0018-0.0015-0.00030.0470.00120.00070.00190.04260.00060.00030.00090.04
Percentage of WeightedAverageInterestRateFinancingReceivable-33.390.9200.090.287.189.5120.0100.0-300.090.992.377.8118.890.185.7100.0100.089.9

us-gaap:ConsumerPortfolioSegment


Weighted
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value-0.043.53-0.063.6028-0.00150.0387-0.0014-0.00190.00010.04540.00120.00120.00070.04170.00060.00060.0010.0378
Percentage of WeightedAverageInterestRateFinancingReceivable-44.491.9300.091.224.283.093.3126.7100.087.892.3133.343.888.285.7200.0111.184.9

brkl:WeightedAverageInterestRateFinancingReceivable us-gaap:FinancingReceivablePortfolioSegment, us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable

us-gaap:CommercialPortfolioSegment, brkl:CommercialLoansCondominiumAssociationReceivable


Weighted
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value-0.084.54-0.054.5531-0.00090.0478-0.00030.00010.00080.04780.0010.00040.00040.04520.00050.0007-0.00020.0439
Percentage of WeightedAverageInterestRateFinancingReceivable-88.9118.2250.0115.314.5102.620.0-6.7800.092.576.944.425.095.671.4233.3-22.298.7

us-gaap:CommercialPortfolioSegment, brkl:CommercialLoansEquipmentFinancingLoans


Weighted
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value-0.17.17-0.177.3547-0.0010.0763-0.0002-0.00010.00060.07680.00090.00060.00110.07340.00040.00060.00060.0711
Percentage of WeightedAverageInterestRateFinancingReceivable-111.1186.7850.0186.216.1163.713.36.7600.0148.569.266.768.7155.257.1200.066.7159.8

us-gaap:CommercialPortfolioSegment, us-gaap:CommercialLoan


Weighted
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value0.512.350.032.4946-0.01720.0426-0.0018-0.00210.00030.05020.00150.00120.00150.04550.001100.00040.0422
Percentage of WeightedAverageInterestRateFinancingReceivable566.761.2-150.063.2277.491.4120.0140.0300.097.1115.4133.393.896.2157.10.044.494.8

us-gaap:CommercialRealEstatePortfolioSegment, brkl:CommercialRealEstateMortgage


Weighted
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value-0.033.48-0.073.6135-0.00540.0419-0.0017-0.0014-0.00020.04660.00110.00080.00130.04290.00060.00010.00080.0403
Percentage of WeightedAverageInterestRateFinancingReceivable-33.390.6350.091.587.189.9113.393.3-200.090.184.688.981.390.785.733.388.990.6

us-gaap:CommercialRealEstatePortfolioSegment, brkl:CommercialRealEstateMultiFamilyReceivable


Weighted
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value-0.043.480.043.4548-0.00540.0406-0.0018-0.0016-0.00020.04560.00120.00040.00120.04230.00040.00080.0010.0388
Percentage of WeightedAverageInterestRateFinancingReceivable-44.490.6-200.087.587.187.1120.0106.7-200.088.292.344.475.089.457.1266.7111.187.2

us-gaap:CommercialRealEstatePortfolioSegment, us-gaap:ConstructionLoans


Weighted
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value0.053.6-0.073.522-0.00630.0443-0.0027-0.0032-0.00040.05720.00290.0010.01480.03890.00250.00050.00080.042
Percentage of WeightedAverageInterestRateFinancingReceivable55.693.8350.089.2101.695.1180.0213.3-400.0110.6223.1111.1925.082.2357.1166.788.994.4

us-gaap:ConsumerPortfolioSegment, brkl:OtherConsumer


Weighted
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value0.012.92-0.073.0795-0.00940.0399-0.0035-0.0035-0.00050.05230.00390.00210.00030.04980.00150-0.00130.0558
Percentage of WeightedAverageInterestRateFinancingReceivable11.176.0350.078.0151.685.6233.3233.3-500.0101.2300.0233.318.8105.3214.30.0-144.4125.4

us-gaap:ConsumerPortfolioSegment, us-gaap:HomeEquity


Weighted
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value0.013.25-0.013.2373-0.00250.0352-0.0031-0.0038-0.00010.05160.00210.0020.00210.04470.0010.00090.00210.0381
Percentage of WeightedAverageInterestRateFinancingReceivable11.184.650.082.040.375.5206.7253.3-100.099.8161.5222.2131.394.5142.9300.0233.385.6

us-gaap:ConsumerPortfolioSegment, us-gaap:ResidentialMortgage


Weighted
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value-0.073.68-0.093.7905-0.00080.0403-0.0005-0.00060.00010.0420.00090.0008-0.00020.040.00050.00030.00050.0372
Percentage of WeightedAverageInterestRateFinancingReceivable-77.895.8450.096.012.986.533.340.0100.081.269.288.9-12.584.671.4100.055.683.6

us-gaap:AccretionAmortizationOfDiscountsAndPremiumsInvestments

us-gaap:AccretionAmortizationOfDiscountsAndPremiumsInvestments


Accretion
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value-873000.0-770000.0-829000.0-932000.0-664000.0-384000.0-404000.0-490000.0-471000.0-445000.0-654000.0-671000.0-368000.0-507000.0-722000.0-574000.0-330000.0-416000.0-371000.0-565000.0-722000.0-500000.0-460000.0-559000.0-313000.0-509000.0-470000.0-738000.0-750000.0-698000.0-636000.0-755000.0-896000.0-913000.0-937000.0-847000.0-1895000.0-807000.0-599000.0-583000.0-589000.0-573000.0-531000.0-534000.0-498000.0-608000.0
Percentage of AccretionAmortizationOfDiscountsAndPremiumsInvestments100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:AmortizationOfDeferredLoanOriginationFeesNet

us-gaap:AmortizationOfDeferredLoanOriginationFeesNet


Amortization
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value-1473000.0-1584000.0-1649000.0-1754000.0-1759000.0-2154000.0-1818000.0-1706000.0-1739000.0-1782000.0-1784000.0-1770000.0-1792000.0-1625000.0-1786000.0-1644000.0-1639000.0-1626000.0-1445000.0-1509000.0-1476000.0-1453000.0-967000.0-984000.0-964000.0-1860000.0-2365000.0-2534000.0-2552000.0-2439000.00-2589000.0-2734000.0-2426000.0-2515000.0-2435000.0-2608000.0-2563000.0-2557000.0-2464000.0-2395000.0-2359000.0-2373000.0-2347000.0-2404000.0-2292000.0
Percentage of AmortizationOfDeferredLoanOriginationFeesNet100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:AmortizationOfESOPAward

us-gaap:AmortizationOfESOPAward


Amortization
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value97000.083000.077000.067000.059000.0101000.0197000.085000.088000.088000.0121000.0148000.0142000.0132000.0134000.0124000.0125000.0118000.0-20000.0215000.0101000.099000.0149000.049000.0104000.093000.0117000.0194000.091000.094000.058000.0-14000.0129000.057000.061000.060000.061000.060000.093000.096000.0106000.0123000.0123000.0114000.0123000.0122000.0
Percentage of AmortizationOfESOPAward100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:AmortizationOfESOPAward us-gaap:StatementEquityComponents

brkl:CommonStockHeldByEmployeeStockOptionPlanUnallocated


Amortization
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value36000.036000.039000.038000.027000.038000.070000.032000.032000.032000.044000.045000.044000.044000.047000.046000.047000.047000.050000.049000.050000.050000.052000.052000.052000.052000.055000.055000.055000.055000.058000.057000.058000.057000.061000.060000.061000.060000.063000.063000.063000.063000.067000.064000.066000.066000.0
Percentage of AmortizationOfESOPAward37.143.450.656.745.837.635.537.636.436.436.430.431.033.335.137.137.639.8-250.022.849.550.534.9106.150.055.947.028.460.458.5100.0-407.145.0100.0100.0100.0100.0100.067.765.659.451.254.556.153.754.1

us-gaap:AdditionalPaidInCapital


Amortization
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value61000.047000.038000.029000.032000.063000.0127000.053000.056000.056000.077000.0103000.098000.088000.087000.078000.078000.071000.0-70000.0166000.051000.049000.097000.0-3000.052000.041000.062000.0139000.036000.039000.0-2281000.0-71000.030000.033000.043000.060000.056000.050000.057000.056000.0
Percentage of AmortizationOfESOPAward62.956.649.443.354.262.464.562.463.663.663.669.669.066.764.962.962.460.2350.077.250.549.565.1-6.150.044.153.071.639.641.5-3932.8507.132.334.440.648.845.543.946.345.9

us-gaap:Parent


Amortization
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value77000.067000.059000.0101000.0197000.085000.088000.088000.0121000.0148000.0142000.0132000.0134000.0124000.0125000.0118000.0-20000.0215000.0101000.099000.0149000.049000.0104000.093000.0117000.0194000.091000.094000.058000.0-14000.0129000.057000.061000.060000.061000.060000.093000.096000.0106000.0123000.0123000.0114000.0123000.0122000.0
Percentage of AmortizationOfESOPAward100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:AssetImpairmentCharges

us-gaap:AssetImpairmentCharges


Asset
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-31
Value36000.0129000.0172000.034000.0476000.0354000.0437000.0247000.0170000.049000.0859000.0123000.055000.0197000.028000.0237000.0137000.056000.0139000.01000.05000.045000.086000.011000.094000.038000.0146000.046000.078000.0111000.075000.010000.0-577000.0755000.013000.0-41000.097000.04000.0
Percentage of AssetImpairmentCharges100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DebtSecuritiesAvailableForSaleRealizedGain

us-gaap:DebtSecuritiesAvailableForSaleRealizedGain


Debt
Period End2020-12-312020-09-302020-06-302020-03-31
Value11000.0259000.0707000.02446000.0
Percentage of DebtSecuritiesAvailableForSaleRealizedGain100.0100.0100.0100.0

us-gaap:DebtSecuritiesAvailableForSaleRealizedGainLoss

us-gaap:DebtSecuritiesAvailableForSaleRealizedGainLoss


Debt
Period End2020-12-312020-09-302020-06-302020-03-31
Value-1287000.0250000.0634000.02353000.0
Percentage of DebtSecuritiesAvailableForSaleRealizedGainLoss100.0100.0100.0100.0

us-gaap:DebtSecuritiesAvailableForSaleRealizedLoss

us-gaap:DebtSecuritiesAvailableForSaleRealizedLoss


Debt
Period End2020-12-312020-09-302020-06-302020-03-31
Value1298000.09000.073000.093000.0
Percentage of DebtSecuritiesAvailableForSaleRealizedLoss100.0100.0100.0100.0

us-gaap:DividendsCommonStock

us-gaap:DividendsCommonStock


Dividends
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value9.3838.9929.0549.0939.0769.1739.1738.7868.7758.3768.4518.0438.0316.9166.8986.9130.06.3486.3466.3366.3366.3356.3326.3265.9745.9745.9745.9645.9645.9615.9655.9555.965.9565.9565.9215.9444.994.9834.9855.0064.9784.9774.9635.017
Percentage of DividendsCommonStock100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DividendsCommonStock us-gaap:StatementEquityComponents

us-gaap:Parent


Dividends
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value9.0549.0939.0769.1739.1738.7868.7758.3768.4518.0438.0316.9166.8986.9130.06.3486.3466.3366.3366.3356.3326.3265.9745.9745.9745.9645.9645.9615.9655.9555.965.9565.9565.9215.9444.994.9834.9855.0064.9784.9774.9635.017
Percentage of DividendsCommonStock100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:RetainedEarnings


Dividends
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value9.3838.9929.0549.0939.0769.1739.1738.7868.7758.3768.4518.0438.0316.9166.8986.9130.06.3486.3466.3366.3366.3356.3326.3265.9745.9745.9745.9645.9645.9615.9655.9555.965.9565.9565.9215.9444.994.9834.9855.0064.9784.9774.9635.017
Percentage of DividendsCommonStock100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:EmployeeStockOwnershipPlanESOPCompensationExpense

us-gaap:EmployeeStockOwnershipPlanESOPCompensationExpense


Employee
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value97000.083000.077000.067000.059000.0101000.0197000.085000.088000.088000.0121000.0148000.0142000.0132000.0134000.0124000.0125000.0118000.0-20000.0215000.0101000.099000.0149000.049000.0104000.093000.0117000.0194000.091000.094000.058000.0-14000.0129000.057000.061000.060000.061000.060000.093000.096000.0106000.0123000.0123000.0114000.0123000.0122000.0
Percentage of EmployeeStockOwnershipPlanESOPCompensationExpense100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:FederalDepositInsuranceCorporationPremiumExpense

us-gaap:FederalDepositInsuranceCorporationPremiumExpense


Federal
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value657000.01044000.01630000.01363000.0858000.0378000.053000.054000.0745000.0593000.0727000.0846000.0514000.0635000.0678000.0842000.0951000.0855000.0655000.0956000.0843000.0878000.0883000.0929000.0831000.0867000.0782000.0873000.0847000.0860000.0724000.0508000.0936000.0934000.01089000.0973000.0671000.0630000.0324000.0536000.0324000.0434000.0428000.0418000.0411000.0416000.0
Percentage of FederalDepositInsuranceCorporationPremiumExpense100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:FinancingReceivableAllowanceForCreditLossesRecovery

us-gaap:FinancingReceivableAllowanceForCreditLossesRecovery


Financing
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-30
Value626000.0383000.0429000.0548000.0420000.0305000.0272000.0824000.0330000.0
Percentage of FinancingReceivableAllowanceForCreditLossesRecovery100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:FinancingReceivableAllowanceForCreditLossesRecovery us-gaap:FinancingReceivablePortfolioSegment

us-gaap:CommercialPortfolioSegment


Financing
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-30
Value489000.0331000.0352000.0512000.0296000.0247000.0234000.0772000.0294000.0
Percentage of FinancingReceivableAllowanceForCreditLossesRecovery78.186.482.193.470.581.086.093.789.1

us-gaap:CommercialRealEstatePortfolioSegment


Financing
Period End2021-06-302020-12-312020-09-302020-06-302019-06-30
Value11000.00094000.00
Percentage of FinancingReceivableAllowanceForCreditLossesRecovery1.80.00.022.40.0

us-gaap:ConsumerPortfolioSegment


Financing
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-30
Value126000.052000.077000.036000.030000.058000.038000.052000.036000.0
Percentage of FinancingReceivableAllowanceForCreditLossesRecovery20.113.617.96.67.119.014.06.310.9

us-gaap:FinancingReceivableAllowanceForCreditLossesWriteOffs

us-gaap:FinancingReceivableAllowanceForCreditLossesWriteOffs


Financing
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-30
Value1.2212.1434.815.5111.8032.5391.8941.193.412
Percentage of FinancingReceivableAllowanceForCreditLossesWriteOffs100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:FinancingReceivableAllowanceForCreditLossesWriteOffs us-gaap:FinancingReceivablePortfolioSegment

us-gaap:CommercialPortfolioSegment


Financing
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-30
Value1.1842.141.3635.4291.7942.5271.8231.1753.401
Percentage of FinancingReceivableAllowanceForCreditLossesWriteOffs97.099.928.398.599.599.596.398.799.7

us-gaap:CommercialRealEstatePortfolioSegment


Financing
Period End2021-06-302020-12-312020-09-302020-06-302019-06-30
Value0.0283.4440.070.00.0
Percentage of FinancingReceivableAllowanceForCreditLossesWriteOffs2.371.61.30.00.0

us-gaap:ConsumerPortfolioSegment


Financing
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-30
Value0.0090.0030.0030.0120.0090.0120.0710.0150.011
Percentage of FinancingReceivableAllowanceForCreditLossesWriteOffs0.70.10.10.20.50.53.71.30.3

us-gaap:FinancingReceivableModificationsPostModificationRecordedInvestment2

us-gaap:FinancingReceivableModificationsPostModificationRecordedInvestment2


Financing
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-30
Value2.3985.02.11.61.20.5-3.2577.6841.074170.8430.32.72.2-2.31.28.120.8-3.7681.5681.6528.775-0.2176.4751.1212.8330.2513.5931.2061.8312.8111.8150.919
Percentage of FinancingReceivableModificationsPostModificationRecordedInvestment2100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:FinancingReceivableModificationsPostModificationRecordedInvestment2 brkl:AccountsNotesLoansAndFinancingReceivableByReceivableNature

brkl:OriginatedFinancingReceivable


Financing
Period End2021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-09-302012-06-30
Value4.9922.1321.5861.160.495-1.462.5171.074170.7130.3452.5782.19-2.3021.1548.120.765-3.7641.2451.6038.775-0.2145.9290.732.68-0.1922.6690.9451.8310.6270.5580.4982.0320.91.05
Percentage of FinancingReceivableModificationsPostModificationRecordedInvestment299.8101.599.196.799.044.832.8100.0100.184.6115.095.599.5100.196.2100.095.699.979.497.0100.098.691.665.194.6-76.574.378.4100.022.330.754.20.00.00.0

us-gaap:FinancingReceivableModificationsPostModificationRecordedInvestment2 brkl:AccountsNotesLoansAndFinancingReceivableByReceivableNature, us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable

brkl:OriginatedFinancingReceivable, brkl:CommercialLoansEquipmentFinancingLoans


Financing
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-31
Value1.2221.7310.5740.2121.160.2-0.1921.3990.5540.8150.535-0.1770.7051.5550.580.8041.184-0.2620.4330.00.364-0.3030.305-0.0060.112-0.4160.6990.2890.382
Percentage of FinancingReceivableModificationsPostModificationRecordedInvestment251.034.627.313.296.740.05.918.251.64.663.5-59.026.170.7-25.267.014.67.027.60.04.1139.64.7-0.54.0-165.719.524.020.9

brkl:OriginatedFinancingReceivable, brkl:CommercialRealEstateMortgage


Financing
Period End2021-06-302021-03-312020-06-302019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-312017-09-302017-06-302016-09-302016-06-302016-03-312014-12-312014-09-302014-06-302014-03-31
Value0.00.4970.00.22-0.001-0.0010.072-0.0010.00.6530.0-0.0010.19-0.0280.01.155-0.007-0.0050.3650.951
Percentage of FinancingReceivableModificationsPostModificationRecordedInvestment20.09.90.0-6.8-0.0-0.10.4-0.10.024.2-0.0-0.12.3-1.80.013.2-2.8-0.130.351.9

brkl:OriginatedFinancingReceivable, us-gaap:CommercialLoan


Financing
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-30
Value1.5691.0980.0070.295-1.6890.00.5216-0.1610.1361.1340.635-2.8820.356.7460.765-3.4890.8121.6037.2560.0685.1970.732.5680.6121.97
Percentage of FinancingReceivableModificationsPostModificationRecordedInvestment274.768.60.659.051.90.048.495.1-19.145.342.028.9125.329.283.195.692.651.897.082.7-31.380.365.190.6243.854.8

brkl:OriginatedFinancingReceivable, us-gaap:ConstructionLoans


Financing
Period End2021-03-31
Value2.764
Percentage of FinancingReceivableModificationsPostModificationRecordedInvestment255.3

brkl:OriginatedFinancingReceivable, us-gaap:HomeEquity


Financing
Period End2021-06-302020-12-312020-09-302019-12-312019-09-302018-12-312018-09-302018-06-302016-06-302015-12-312015-09-302014-12-31
Value0.312-0.0110.2760.2010.252-0.001-0.0020.0860.00.0240.2740.11
Percentage of FinancingReceivableModificationsPostModificationRecordedInvestment213.0-0.517.2-6.23.3-0.1-0.73.20.0-11.14.243.8

brkl:OriginatedFinancingReceivable, us-gaap:ResidentialMortgage


Financing
Period End2021-06-302019-12-312019-09-302019-03-312018-12-312018-09-302016-06-302015-12-312015-09-302014-12-312014-09-302014-06-302014-03-31
Value0.8640.00.8660.00.3410.2090.0-0.0030.153-0.491-0.2950.2910.498
Percentage of FinancingReceivableModificationsPostModificationRecordedInvestment236.0-0.011.30.040.569.70.01.42.4-195.6-8.224.127.2

us-gaap:FinancingReceivableModificationsPreModificationRecordedInvestment2

us-gaap:FinancingReceivableModificationsPreModificationRecordedInvestment2


Financing
Period End2021-06-302020-06-302020-03-312019-12-312019-09-302018-12-312018-09-302018-06-302017-06-302016-12-312016-09-302016-06-302015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-30
Value2.4121.1740.4970.5567.6920.5680.3462.7398.120.01.5681.675-0.2686.8971.1242.8340.7013.5171.2231.8353.0321.8480.912
Percentage of FinancingReceivableModificationsPreModificationRecordedInvestment2100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:FinancingReceivableModificationsPreModificationRecordedInvestment2 brkl:AccountsNotesLoansAndFinancingReceivableByReceivableNature

brkl:OriginatedFinancingReceivable


Financing
Period End2021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-09-302012-06-30
Value4.9791.5881.5861.1740.4970.4232.5251.074170.4440.3462.6142.190.2851.1678.120.7650.01.2451.6258.787-0.2686.3430.7322.6810.2462.6660.971.8350.80.5580.4882.0720.91.05
Percentage of FinancingReceivableModificationsPreModificationRecordedInvestment20.00.00.0100.0100.076.132.80.00.078.2100.095.40.00.00.0100.00.00.079.497.00.0100.092.065.194.635.175.879.3100.026.430.253.50.00.00.0

us-gaap:FinancingReceivableModificationsPreModificationRecordedInvestment2 brkl:AccountsNotesLoansAndFinancingReceivableByReceivableNature, us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable

brkl:OriginatedFinancingReceivable, brkl:CommercialLoansEquipmentFinancingLoans


Financing
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-31
Value1.2361.718-0.040.2121.1740.2-0.0011.4050.5540.8160.2390.0010.7161.5550.2860.8171.1840.00.4330.00.364-0.3180.3180.00.112-0.3850.6960.2890.384
Percentage of FinancingReceivableModificationsPreModificationRecordedInvestment251.20.00.00.0100.040.2-0.218.30.00.042.10.326.10.00.00.014.60.027.60.00.0118.74.60.04.0-54.919.823.620.9

brkl:OriginatedFinancingReceivable, brkl:CommercialRealEstateMortgage


Financing
Period End2021-06-302021-03-312020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-312017-09-302017-06-302016-09-302016-06-302016-03-312014-12-312014-09-302014-06-302014-03-31
Value0.00.4970.00.00.2220.00.00.0730.00.00.673-0.0010.00.19-0.0010.0011.1550.00.00.390.953
Percentage of FinancingReceivableModificationsPreModificationRecordedInvestment20.00.00.00.039.90.00.00.00.00.024.60.00.02.3-0.10.10.00.00.031.951.9

brkl:OriginatedFinancingReceivable, us-gaap:CommercialLoan


Financing
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-30
Value1.6281.0980.00.2970.0010.00.5216-0.1360.1371.1390.6350.00.356.7460.7650.00.8121.6257.2680.0225.60.7322.5690.5241.97
Percentage of FinancingReceivableModificationsPreModificationRecordedInvestment20.00.00.059.80.20.00.00.0-23.939.641.60.00.00.083.10.00.051.897.00.0-8.281.265.190.674.856.0

brkl:OriginatedFinancingReceivable, us-gaap:ConstructionLoans


Financing
Period End2021-03-31
Value2.764
Percentage of FinancingReceivableModificationsPreModificationRecordedInvestment20.0

brkl:OriginatedFinancingReceivable, us-gaap:HomeEquity


Financing
Period End2021-06-302020-12-312020-09-302019-12-312019-09-302018-12-312018-09-302018-06-302016-06-302015-12-312015-09-302014-12-31
Value0.3120.00.2760.2020.2510.00.00.0860.00.080.2730.108
Percentage of FinancingReceivableModificationsPreModificationRecordedInvestment212.90.00.036.33.30.00.03.10.0-29.94.015.4

brkl:OriginatedFinancingReceivable, us-gaap:ResidentialMortgage


Financing
Period End2021-06-302019-12-312019-09-302019-03-312018-12-312018-09-302016-06-302015-12-312015-09-302014-12-312014-09-302014-06-302014-03-31
Value0.864-0.0010.8690.00.3410.2090.0-0.0520.152-0.001-0.2920.2910.498
Percentage of FinancingReceivableModificationsPreModificationRecordedInvestment235.8-0.211.30.060.060.40.019.42.2-0.1-8.323.827.1

us-gaap:FinancingReceivableModificationsSubsequentDefaultRecordedInvestment1

us-gaap:FinancingReceivableModificationsSubsequentDefaultRecordedInvestment1


Financing
Period End2021-06-302020-06-302020-03-312019-12-312019-09-302018-12-312018-09-302018-06-302017-06-302016-12-312016-09-302016-06-302015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-31
Value211000.0221000.0228000.01910000.0522000.0330000.01086000.0379000.04254000.0-720000.0701000.01334000.0-99000.0399000.0651000.01145000.0-1502000.01335000.0259000.0266000.0
Percentage of FinancingReceivableModificationsSubsequentDefaultRecordedInvestment1100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:FinancingReceivableModificationsSubsequentDefaultRecordedInvestment1 brkl:AccountsNotesLoansAndFinancingReceivableByReceivableNature

brkl:OriginatedFinancingReceivable


Financing
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-30
Value-6000.0221000.0221000.0228000.01910000.0522000.002102000.0330000.01086000.0379000.0929000.0-1882000.004162000.0800000.0-24000.0701000.0640000.00265000.00245000.0739000.0-314000.00259000.0
Percentage of FinancingReceivableModificationsSubsequentDefaultRecordedInvestment10.00.0100.0100.0100.0100.00.00.0100.0100.0100.00.00.00.097.80.03.3100.048.00.0-267.70.037.664.520.90.0100.0

us-gaap:FinancingReceivableModificationsSubsequentDefaultRecordedInvestment1 brkl:AccountsNotesLoansAndFinancingReceivableByReceivableNature, us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable

brkl:OriginatedFinancingReceivable, brkl:CommercialLoansEquipmentFinancingLoans


Financing
Period End2021-06-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-31
Value211000.000365000.0155000.0052000.00000188000.00149000.0-12000.0353000.0364000.0000-491000.0491000.0-438000.00259000.0266000.0
Percentage of FinancingReceivableModificationsSubsequentDefaultRecordedInvestment1100.00.00.019.129.70.00.00.00.00.00.00.00.03.51.750.427.30.0-0.00.0-75.442.929.20.0100.0100.0

brkl:OriginatedFinancingReceivable, brkl:CommercialRealEstateMortgage


Financing
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-312017-09-302017-06-302016-09-302016-06-302016-03-312014-12-312014-09-302014-06-302014-03-31
Value-6000.0221000.0221000.0228000.000-635000.0635000.00000000000000
Percentage of FinancingReceivableModificationsSubsequentDefaultRecordedInvestment10.00.0100.0100.00.00.00.00.00.00.00.00.00.00.00.00.00.0-0.00.00.00.0

us-gaap:FinancingReceivableTroubledDebtRestructuringIncreaseDecreaseFromModification us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable

us-gaap:FinancingReceivableTroubledDebtRestructuringIncreaseDecreaseFromModification

us-gaap:HomeEquity


Financing
Period End2021-06-30
Value300000.0
Percentage of FinancingReceivableTroubledDebtRestructuringIncreaseDecreaseFromModification100.0

us-gaap:ResidentialMortgage


Financing
Period End2021-06-30
Value900000.0
Percentage of FinancingReceivableTroubledDebtRestructuringIncreaseDecreaseFromModification300.0

us-gaap:FinancingReceivablesImpairedTroubledDebtRestructuringWriteDown

us-gaap:FinancingReceivablesImpairedTroubledDebtRestructuringWriteDown


Financing
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-30
Value-100000.0600000.00200000.0500000.0134000.0100000.0100000.0800000.0878000.0477000.035000.0584000.0103000.02200000.0600000.098700.07000.04190000.028000.098000.00186000.0-3000.0030000.0100000.0100000.0100000.00300000.0100000.0300000.0
Percentage of FinancingReceivablesImpairedTroubledDebtRestructuringWriteDown100.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.00.0100.0100.0100.0100.00.0100.0100.0100.0

us-gaap:GainsLossesOnSalesOfInvestmentRealEstate

us-gaap:GainsLossesOnSalesOfInvestmentRealEstate


Gains
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-30
Value7000.0474000.0145000.0527000.01440000.02156000.02494000.02251000.01772000.01745000.01811000.02192000.0571000.0866000.0755000.0844000.0186000.0402000.0265000.0858000.01210000.01629000.01556000.0900000.0941000.00562000.0-543000.0-539000.0-504000.0-318000.0-558000.0-624000.0-312000.0-239000.0-73000.0-244000.0-138000.0-171000.0-500000.0
Percentage of GainsLossesOnSalesOfInvestmentRealEstate100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:IncreaseDecreaseInEquitySecuritiesFvNi

us-gaap:IncreaseDecreaseInEquitySecuritiesFvNi


Increase
Period End2020-12-312020-09-302019-12-312019-09-302018-12-312017-12-31
Value1000.0-1264000.0-1215000.001202000.00
Percentage of IncreaseDecreaseInEquitySecuritiesFvNi100.0100.0100.00.0100.00.0

us-gaap:IncreaseDecreaseInLifeInsuranceLiabilities

us-gaap:IncreaseDecreaseInLifeInsuranceLiabilities


Increase
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-31
Value-254000.0-251000.0-240000.0-258000.0-255000.0-254000.0-258000.0-260000.0-258000.0-254000.0-264000.0-263000.0-258000.0-254000.0-261000.0-263000.0-261000.0-256000.0-268000.0-250000.0-273000.0-259000.0-270000.0-258000.0-258000.0-263000.0-249000.0-286000.0-261000.0-258000.0-269000.0-273000.0-275000.0-276000.0-279000.0-296000.0-295000.0-295000.0
Percentage of IncreaseDecreaseInLifeInsuranceLiabilities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:IncreaseDecreaseInOtherOperatingAssets

us-gaap:IncreaseDecreaseInOtherOperatingAssets


Increase
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value10-58.48-6.848-36.05416103-25.969373912-5.1117.7566.8131.397-3.704-1.4249.527-1.986-20.206-1.7351110-3.1459.1690.327-1.2161.671.4193.137-2.9898.265-2.0360.056-11.6836.909-3.7910.8987.1056.544-0.5693.017-5.5663.5940.354-0.240.937
Percentage of IncreaseDecreaseInOtherOperatingAssets100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:IncreaseDecreaseInOtherOperatingLiabilities

us-gaap:IncreaseDecreaseInOtherOperatingLiabilities


Increase
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value31-68.3873.123-27.424-67.148173-51.1146434-1.9263.573138.0836.143-6.6792.7211.361-2.781-9.71.89615-8.332148.153-1.366-10.525104.809-0.386-5.8938.4241.7012.222-15.7815.2371.705-3.046-1.3195.1321.893-3.192-1.964-0.9021.1580.11-0.126
Percentage of IncreaseDecreaseInOtherOperatingLiabilities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:InterestAndDividendIncomeOperating

us-gaap:InterestAndDividendIncomeOperating


Interest
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value78788080828387878785838078716867656260615957585655565554535451505251525551523535353332323232
Percentage of InterestAndDividendIncomeOperating100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:InterestExpenseBorrowings

us-gaap:InterestExpenseBorrowings


Interest
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-30
Value1.9362.6513.4174.1835.0585.575.8646.376.3386.1396.6416.3886.1385.0493.9994.3494.064.1733.9344.0693.9613.953.8163.7743.6983.7773.933.0442.7112.6692.7162.7742.7943.1093.3353.6083.6173.842.6142.6712.6852.6082.5873.0873.699
Percentage of InterestExpenseBorrowings100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:InterestIncomeExpenseAfterProvisionForLoanLoss

us-gaap:InterestIncomeExpenseAfterProvisionForLoanLoss


Interest
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value74717061587.59860625961635961585553543948504746484645464545444539404241414336402726262423232321
Percentage of InterestIncomeExpenseAfterProvisionForLoanLoss100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:LaborAndRelatedExpense

us-gaap:LaborAndRelatedExpense


Labor
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value25252526242523242323242222222021201919201918181717171818171816151616151414148.0928.0917.7956.8115.9275.8955.4825.632
Percentage of LaborAndRelatedExpense100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:MarketableSecuritiesRealizedGainLossExcludingOtherThanTemporaryImpairments

us-gaap:MarketableSecuritiesRealizedGainLossExcludingOtherThanTemporaryImpairments


Marketable
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-06-30
Value0.001-0.0070.00.0540.5861.330.133-0.1160.3570.134-0.6920.00.01.1620.00.00.0110.00.00.00.00.00.00.00.0780.0-0.0130.00.3970.00.00.00.1290.00.7970.00.00.00.00.080.834
Percentage of MarketableSecuritiesRealizedGainLossExcludingOtherThanTemporaryImpairments100.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.00.00.0100.00.00.00.0100.00.00.00.00.00.00.00.0100.00.0100.00.0100.00.00.00.0100.00.0100.00.00.00.00.0100.0100.0

us-gaap:NoninterestExpense

us-gaap:NoninterestExpense


Noninterest
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value37404040394038403938403737393535343332333232323130313231313331293030283028321617151312111111
Percentage of NoninterestExpense100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:NoninterestIncome

us-gaap:NoninterestIncome


Noninterest
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value5.914.7944.2194.8626.2359.3287.7567.9297.4786.636.4617.0695.5266.1685.8155.9734.477155.4645.3295.3756.4696.0634.7844.8674.474.0755.6563.295.1243.9073.4533.1383.3276.5043.7854.7213.5950.7841.2321.6871.361.0360.3721.0530.776
Percentage of NoninterestIncome100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:NoninterestIncomeOther

us-gaap:NoninterestIncomeOther


Noninterest
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-31
Value1742000.0738000.01061000.0947000.01468000.02714000.01543000.01815000.01710000.01526000.02199000.01277000.01283000.01088000.01245000.01251000.01203000.01247000.01344000.01264000.01317000.01460000.01317000.0972000.01181000.01193000.01130000.02710000.01466000.01121000.01155000.01592000.01286000.0854000.0
Percentage of NoninterestIncomeOther100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:NoninterestIncomeOtherOperatingIncome

us-gaap:NoninterestIncomeOtherOperatingIncome


Noninterest
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value4007000.03649000.03910000.05722000.04820000.05244000.04788000.04462000.05015000.04585000.04233000.03841000.04125000.04080000.03984000.03760000.03895000.03883000.03820000.03935000.03893000.03438000.03647000.03601000.04148000.05661000.03788000.05026000.03828000.04011000.03762000.03639000.04716000.03858000.04168000.03733000.01662000.01428000.01518000.01046000.0857000.0757000.0755000.0668000.0
Percentage of NoninterestIncomeOtherOperatingIncome100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OccupancyNet

us-gaap:OccupancyNet


Occupancy
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value3.8324.0043.8063.8023.8253.9534.1023.8953.7523.9473.243.9133.8793.9593.5943.653.6573.6453.5543.4113.3913.5263.4823.5353.4373.4723.4013.3343.1544.4053.3563.3122.8653.0832.7592.6732.5032.6761.6281.6371.4991.3741.2151.1281.1441.101
Percentage of OccupancyNet100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OperatingLeaseCost

us-gaap:OperatingLeaseCost


Operating
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value1556000.01563000.01558000.01595000.01622000.01611000.01817000.01611000.01574000.01459000.0
Percentage of OperatingLeaseCost100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OperatingLeasePayments

us-gaap:OperatingLeasePayments


Operating
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value1600000.01579000.01609000.01607000.01644000.01658000.01857000.01552000.01581000.01525000.0
Percentage of OperatingLeasePayments100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax

us-gaap:OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax


Other
Period End2021-06-302020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312015-12-312015-09-302015-06-302014-12-312014-09-302014-06-302013-12-312013-09-302013-06-302012-12-312012-09-302012-06-30
Value4.003-2.109-0.7632.59114-0.3241.6345.5345.0676.05-2.184-1.749-5.716-2.7420.2821.0860.557-3.9072.966-3.5223.248-1.4072.727-3.301-0.459-6.68-0.0861.6-0.485
Percentage of OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OtherComprehensiveIncomeLossBeforeReclassificationsNetOfTax

us-gaap:OtherComprehensiveIncomeLossBeforeReclassificationsNetOfTax


Other
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-30
Value4.011-14.406-0.5613.085141.6345.5345.067-2.184-1.749-5.716-2.9940.2821.0860.557-8.714-1.0732.6175.828-3.6672.966-3.5223.3693.059-1.4722.7271.979-3.015-0.459-6.674-1.25-0.0861.6-0.488
Percentage of OtherComprehensiveIncomeLossBeforeReclassificationsNetOfTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OtherComprehensiveIncomeLossBeforeReclassificationsNetOfTax us-gaap:StatementEquityComponents

us-gaap:AccumulatedGainLossNetCashFlowHedgeParent


Other
Period End2021-06-302021-03-312020-09-30
Value0.0080.0020.007
Percentage of OtherComprehensiveIncomeLossBeforeReclassificationsNetOfTax0.2-0.0-1.2

us-gaap:AccumulatedNetUnrealizedInvestmentGainLoss


Other
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-30
Value4.003-14.408-0.5683.085141.6345.5345.067-2.184-1.749-5.716-2.7420.2821.0860.557-8.758-1.0732.6175.828-3.9072.966-3.5223.3693.248-1.4072.7272.031-3.301-0.459-6.68-1.25-0.0861.6-0.485
Percentage of OtherComprehensiveIncomeLossBeforeReclassificationsNetOfTax99.8100.0101.2100.0100.0100.0100.0100.0100.0100.0100.091.6100.0100.0100.0100.5100.0100.0100.0106.5100.0100.0100.0106.295.6100.0102.6109.5100.0100.1100.0100.0100.099.4

us-gaap:OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationBeforeTax

us-gaap:OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationBeforeTax


Other
Period End2021-06-302021-03-31
Value8000.02000.0
Percentage of OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationBeforeTax100.0100.0

us-gaap:OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationTax

us-gaap:OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationTax


Other
Period End2021-06-302021-03-31
Value4000.02000.0
Percentage of OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationTax100.0100.0

us-gaap:OtherComprehensiveIncomeLossCashFlowHedgeGainLossBeforeReclassificationAndTax

us-gaap:OtherComprehensiveIncomeLossCashFlowHedgeGainLossBeforeReclassificationAndTax


Other
Period End2021-06-302021-03-312020-12-312020-09-30
Value4000.07000.0012000.0
Percentage of OtherComprehensiveIncomeLossCashFlowHedgeGainLossBeforeReclassificationAndTax100.0100.00.0100.0

us-gaap:OtherComprehensiveIncomeLossCashFlowHedgeGainLossReclassificationBeforeTax

us-gaap:OtherComprehensiveIncomeLossCashFlowHedgeGainLossReclassificationBeforeTax


Other
Period End2021-06-302021-03-312020-12-31
Value3000.02000.0500.0
Percentage of OtherComprehensiveIncomeLossCashFlowHedgeGainLossReclassificationBeforeTax100.0100.0100.0

us-gaap:OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesBeforeTax

us-gaap:OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesBeforeTax


Other
Period End2020-12-312020-09-302020-06-302019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312015-12-312015-09-302015-06-302014-12-312014-09-302014-06-302013-12-312013-09-302013-06-302012-06-30
Value8000.0250000.0634000.00000241000.000-68000.0000000078000.00-13000.0397000.000797000.0
Percentage of OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesBeforeTax100.0100.0100.00.00.00.00.0100.00.00.0100.00.00.00.00.00.00.00.0100.00.0100.0100.00.00.0100.0

us-gaap:OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesNetOfTax

us-gaap:OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesNetOfTax


Other
Period End2020-12-312020-09-302020-06-302019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312015-12-312015-09-302015-06-302014-12-312014-09-302014-06-302013-12-312013-09-302013-06-302012-06-30
Value8000.0195000.0494000.00000188000.000-53000.0000000050000.00-8000.0255000.000515000.0
Percentage of OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesNetOfTax100.0100.0100.00.00.00.00.0100.00.00.0100.00.00.00.00.00.00.00.0100.00.0100.0100.00.00.0100.0

us-gaap:OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesTax

us-gaap:OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesTax


Other
Period End2020-12-312020-09-302020-06-302019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312015-12-312015-09-302015-06-302014-12-312014-09-302014-06-302013-12-312013-09-302013-06-30
Value055000.0140000.0000053000.000-15000.0000000028000.00-5000.0142000.000
Percentage of OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesTax0.0100.0100.00.00.00.00.0100.00.00.0100.00.00.00.00.00.00.00.0100.00.0100.0100.00.00.0

us-gaap:OtherComprehensiveIncomeReclassificationAdjustmentForHeldToMaturityTransferredToAvailableForSaleSecuritiesBeforeTax us-gaap:FinancialInstrument

us-gaap:OtherComprehensiveIncomeReclassificationAdjustmentForHeldToMaturityTransferredToAvailableForSaleSecuritiesBeforeTax

us-gaap:CorporateDebtSecurities


Other
Period End2020-12-312020-09-302020-06-302020-03-31
Value0.00.00.00.5
Percentage of OtherComprehensiveIncomeReclassificationAdjustmentForHeldToMaturityTransferredToAvailableForSaleSecuritiesBeforeTax0.00.00.0100.0

us-gaap:MortgageBackedSecurities


Other
Period End2020-12-312020-09-302020-06-302020-03-31
Value0.00.00.09.0
Percentage of OtherComprehensiveIncomeReclassificationAdjustmentForHeldToMaturityTransferredToAvailableForSaleSecuritiesBeforeTax0.00.00.01800.0

us-gaap:USTreasuryAndGovernment


Other
Period End2020-12-312020-09-302020-06-302020-03-31
Value0.00.00.025
Percentage of OtherComprehensiveIncomeReclassificationAdjustmentForHeldToMaturityTransferredToAvailableForSaleSecuritiesBeforeTax0.00.00.05100.0

us-gaap:OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodBeforeTax

us-gaap:OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodBeforeTax


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value5.135-18.481-2.697-0.7353.95218-0.4062.0987.0996.58.005-2.803-2.244-7.401-4.2760.4391.6930.87-13.653-1.6724.0849.074-6.0684.608-5.4845.3715.313-2.2574.353.293-0.735-10.773-2.0180.0022.5920.0720.764-0.891-1.131.973-0.429-2.2620.8811.3561.13
Percentage of OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodBeforeTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax

us-gaap:OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value4.003-14.408-2.101-0.5683.08514-0.3241.6345.5345.0676.238-2.184-1.749-5.769-2.7420.2821.0860.557-8.758-1.0732.6175.828-3.9072.966-3.5223.3693.298-1.4072.7192.031-3.046-0.459-6.68-1.25-0.0031.60.030.495-0.552-0.7111.25-0.287-1.4380.5740.8560.709
Percentage of OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodTax

us-gaap:OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodTax


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value1132000.0-4073000.0-596000.0-167000.0867000.04146000.0-82000.0464000.01565000.01433000.01767000.0-619000.0-495000.0-1632000.0-1534000.0157000.0607000.0313000.0-4895000.0-599000.01467000.03246000.0-2161000.01642000.0-1962000.02002000.02015000.0-850000.01631000.01262000.0-2138000.0-276000.0-4093000.0-768000.05000.0992000.042000.0269000.0-339000.0-419000.0723000.0-142000.0-824000.0307000.0500000.0421000.0
Percentage of OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OtherNoninterestExpense

us-gaap:OtherNoninterestExpense


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value1.0362.8912.6952.9493.2683.433382.9583.8943.38392.913.332.839343.1032.7012.954312.3622.5992.746312.7442.7092.863312.6922.4882.649302.842.7093.26274.1623.0562.514161.4711.6491.349121.2451.3621.355
Percentage of OtherNoninterestExpense100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:PaymentsRelatedToTaxWithholdingForShareBasedCompensation

us-gaap:PaymentsRelatedToTaxWithholdingForShareBasedCompensation


Payments
Period End2020-12-312020-09-302019-12-312019-09-302018-12-312018-09-302017-12-312016-12-31
Value0410000.00-3000.081000.0058000.00
Percentage of PaymentsRelatedToTaxWithholdingForShareBasedCompensation0.0100.00.0100.0100.00.0100.00.0

us-gaap:PaymentsToAcquireAvailableForSaleSecuritiesDebt

us-gaap:PaymentsToAcquireAvailableForSaleSecuritiesDebt


Payments
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-31
Value22491450165273
Percentage of PaymentsToAcquireAvailableForSaleSecuritiesDebt100.0100.0100.0100.0100.0100.0

us-gaap:PaymentsToAcquireAvailableForSaleSecuritiesDebt us-gaap:FinancialInstrument

us-gaap:MortgageBackedSecurities


Payments
Period End2020-12-312020-09-302020-06-302020-03-312019-06-302019-03-31
Value0.010711760.00.0
Percentage of PaymentsToAcquireAvailableForSaleSecuritiesDebt0.020.543.264.70.00.0

us-gaap:USTreasuryAndGovernment


Payments
Period End2020-12-312020-09-302020-06-302020-03-312019-06-302019-03-31
Value0.03993750.00.0
Percentage of PaymentsToAcquireAvailableForSaleSecuritiesDebt0.079.656.727.50.00.0

us-gaap:USTreasurySecurities


Payments
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-06-302019-03-31
Value224914210.00.00.021
Percentage of PaymentsToAcquireAvailableForSaleSecuritiesDebt99.9100.0100.142.30.00.00.00.0

us-gaap:PaymentsToAcquireReceivables

us-gaap:PaymentsToAcquireReceivables


Payments
Period End2021-03-312020-09-302020-06-302020-03-312019-09-30
Value0.995-3.76458996145
Percentage of PaymentsToAcquireReceivables100.0100.0100.0100.0100.0

us-gaap:PaymentsToAcquireRestrictedInvestments

us-gaap:PaymentsToAcquireRestrictedInvestments


Payments
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302014-12-312014-09-302013-12-312013-09-302012-12-312012-09-302011-12-312011-09-30
Value0.6057.8083.884171.315.3365.8790.3990.771.9283.7696.7953.5850.00.6663.6761.6342.3830.00.00.4880.00.03.358-0.0690.00.07.515-0.1820.0
Percentage of PaymentsToAcquireRestrictedInvestments100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.0100.00.00.0100.00.00.0100.0100.00.00.0100.0100.00.0

us-gaap:ProceedsFromFederalHomeLoanBankBorrowings

us-gaap:ProceedsFromFederalHomeLoanBankBorrowings


Proceeds
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value5063706914891736381895113116216781331134732501527738112512947671533136022448899011264918107912462
Percentage of ProceedsFromFederalHomeLoanBankBorrowings100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ProceedsFromMaturitiesPrepaymentsAndCallsOfAvailableForSaleSecurities

us-gaap:ProceedsFromMaturitiesPrepaymentsAndCallsOfAvailableForSaleSecurities


Proceeds
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value624639118302518161319182021211618171924242427202630192425171628393831494149673435492538613546
Percentage of ProceedsFromMaturitiesPrepaymentsAndCallsOfAvailableForSaleSecurities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ProceedsFromMaturitiesPrepaymentsAndCallsOfHeldToMaturitySecurities

us-gaap:ProceedsFromMaturitiesPrepaymentsAndCallsOfHeldToMaturitySecurities


Proceeds
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-31
Value0.00.00.06.3029.1478.2589.9781.4750.7670.7330.6321.1580.6631.0710.7831.31.1114.17123133.6855.6530.2410.00.00.00.00.52.1070.00.00.0
Percentage of ProceedsFromMaturitiesPrepaymentsAndCallsOfHeldToMaturitySecurities0.00.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.00.00.00.0100.0100.00.00.00.0

us-gaap:ProceedsFromPaymentsForTradingSecurities

us-gaap:ProceedsFromPaymentsForTradingSecurities


Proceeds
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value1145861.20.00.00.0
Percentage of ProceedsFromPaymentsForTradingSecurities100.0100.0100.0100.00.00.00.0

us-gaap:ProceedsFromRepaymentsOfOtherDebt

us-gaap:ProceedsFromRepaymentsOfOtherDebt


Proceeds
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-03-31
Value-8.535-4.0787.48324-15.3121012-7.323.178-0.219123.5682.895-14.05417-23.349.79-6.5711-2.0941.3551.1519.793-2.912-4.282-3.98716-3.268-0.76-7.7-0.3-16.0945.345-5.3456.01121
Percentage of ProceedsFromRepaymentsOfOtherDebt100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ProceedsFromSaleOfAvailableForSaleSecuritiesDebt

us-gaap:ProceedsFromSaleOfAvailableForSaleSecuritiesDebt


Proceeds
Period End2020-12-312020-09-302020-06-302020-03-31
Value9.6980.2514586
Percentage of ProceedsFromSaleOfAvailableForSaleSecuritiesDebt100.0100.0100.0100.0

us-gaap:ProceedsFromSaleOfLoansHeldForInvestment

us-gaap:ProceedsFromSaleOfLoansHeldForInvestment


Proceeds
Period End2021-06-302021-03-312020-09-302020-06-302020-03-31
Value670000.050000.0902000.0101000.05800000.0
Percentage of ProceedsFromSaleOfLoansHeldForInvestment100.0100.0100.0100.0100.0

us-gaap:ProceedsFromSaleOfOtherRealEstate

us-gaap:ProceedsFromSaleOfOtherRealEstate


Proceeds
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312011-12-31
Value8.4530.3850.6130.6751.1761.9722.3770.1793.3630.5630.1850.760.3880.8530.8891.4990.9610.4130.8830.4070.5251.5471.3081.7041.4932.6473.3512.1712.9163.8793.9092.4534.5170.9781.4271.451
Percentage of ProceedsFromSaleOfOtherRealEstate100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ProceedsFromSaleOfRestrictedInvestments

us-gaap:ProceedsFromSaleOfRestrictedInvestments


Proceeds
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-03-31
Value9.7349.38612170.7182.9445.3882.714.8017.9582.9826.3081.591.236.3514.853130.02.8061.3770.7610.6799.9240.00.00.00.00.00.00.0-2.1080.00.02.1080.02.003
Percentage of ProceedsFromSaleOfRestrictedInvestments100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.0100.0100.00.00.00.00.00.00.00.0100.00.00.0100.00.0100.0

us-gaap:ProfessionalFees

us-gaap:ProfessionalFees


Professional
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value1.2451.2261.3381.1121.0561.6511.121.0831.0871.0761.131.0751.0551.1441.20.9731.0361.1060.9270.9970.9620.9660.9510.9841.1631.0941.1671.0011.4871.7271.3521.3291.5131.5011.5361.9322.5546.4531.7221.4061.4580.7891.1190.6680.9950.936
Percentage of ProfessionalFees100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ProvisionForLoanLeaseAndOtherLosses

us-gaap:ProvisionForLoanLeaseAndOtherLosses


Provision
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value-3.331-2.147-2.1034.5285.347543.6020.8713.7571.3530.1232.7171.470.6411.8022.9110.873133.2152.2152.5452.3781.521.7551.9132.2631.7242.0342.2762.4433.8872.7482.4391.8553.1012.8626.6783.2470.8420.8910.8391.0591.3170.5510.6611.267
Percentage of ProvisionForLoanLeaseAndOtherLosses100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ProvisionForLoanLossesExpensed

us-gaap:ProvisionForLoanLossesExpensed


Provision
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-30
Value-2.768-2.782-1.2115.3817.755473.5690.8663.676
Percentage of ProvisionForLoanLossesExpensed100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ProvisionForLoanLossesExpensed us-gaap:FinancingReceivablePortfolioSegment

us-gaap:CommercialPortfolioSegment


Provision
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-30
Value3.234-1.8641.9318.557-0.3386.92.0220.4633.2
Percentage of ProvisionForLoanLossesExpensed-116.867.0-159.5159.0-4.414.556.753.587.1

us-gaap:CommercialRealEstatePortfolioSegment


Provision
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-30
Value-5.903-0.203-3.644-2.7217.738401.2560.3610.319
Percentage of ProvisionForLoanLossesExpensed213.37.3300.9-50.699.884.335.241.78.7

us-gaap:ConsumerPortfolioSegment


Provision
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-30
Value-0.099-0.7150.502-0.4550.3550.6010.2910.0420.157
Percentage of ProvisionForLoanLossesExpensed3.625.7-41.5-8.54.61.38.24.84.3

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

us-gaap:CommercialPortfolioSegment, brkl:CommercialLoansEquipmentFinancingLoans, brkl:SpecificAllowance


Provision
Period End2021-03-31
Value0.1
Percentage of ProvisionForLoanLossesExpensed-3.6

us-gaap:CommercialPortfolioSegment, us-gaap:CommercialLoan, brkl:SpecificAllowance


Provision
Period End2021-03-31
Value0.3
Percentage of ProvisionForLoanLossesExpensed-10.8

us-gaap:ProvisionForLoanLossesExpensed us-gaap:FinancingReceivablePortfolioSegment, us-gaap:InternalCreditAssessment

us-gaap:CommercialPortfolioSegment, brkl:SpecificAllowance


Provision
Period End2021-03-31
Value0.7
Percentage of ProvisionForLoanLossesExpensed-25.2

us-gaap:ProvisionForOtherCreditLosses

us-gaap:ProvisionForOtherCreditLosses


Provision
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-30
Value-563000.0635000.0-892000.0-853000.0-2408000.06413000.033000.05000.081000.0
Percentage of ProvisionForOtherCreditLosses100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:RealEstateTaxExpense

us-gaap:RealEstateTaxExpense


Real
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-31
Value500000.0500000.0500000.0400000.0500000.0500000.0400000.0500000.0500000.0400000.0500000.0
Percentage of RealEstateTaxExpense100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax

us-gaap:ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax


Reclassification
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312016-09-302016-06-302016-03-312015-09-302015-06-302015-03-312014-09-302014-03-31
Value-4000.0-2000.0195000.0494000.0000000000000000
Percentage of ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax100.0100.0100.0100.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax us-gaap:StatementEquityComponents

us-gaap:AccumulatedGainLossNetCashFlowHedgeParent


Reclassification
Period End2021-06-302021-03-31
Value-4000.0-2000.0
Percentage of ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax100.0100.0

us-gaap:AccumulatedNetUnrealizedInvestmentGainLoss


Reclassification
Period End2020-09-302020-06-302018-09-30
Value195000.0494000.00
Percentage of ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax100.0100.00.0

us-gaap:RepaymentsOfFederalHomeLoanBankBorrowings

us-gaap:RepaymentsOfFederalHomeLoanBankBorrowings


Repayments
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value2243332621118358135747783210701675853136313393157151079611241274757153613602199680150218917841394681236132212397101175968676876776982988412359169.16114415065
Percentage of RepaymentsOfFederalHomeLoanBankBorrowings100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:RestrictedStockExpense

us-gaap:RestrictedStockExpense


Restricted
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value584000.0536000.0451000.0540000.0746000.0624000.0501000.0662000.0659000.0861000.0914000.0600000.0350000.0682000.0588000.0573000.0568000.0579000.0594000.0474000.0206000.0570000.034000.0401000.0320000.0537000.0254000.0282000.0258000.0-13000.0153000.0148000.0127000.0135000.043000.059000.079000.020000.020000.020000.0
Percentage of RestrictedStockExpense100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:SharebasedCompensationArrangementBySharebasedPaymentAwardAwardVestingRightsPercentage us-gaap:AwardType, us-gaap:Vesting

us-gaap:SharebasedCompensationArrangementBySharebasedPaymentAwardAwardVestingRightsPercentage

brkl:TimebasedAwards, brkl:VestingFirstAnniversary


Sharebased
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-09-302016-06-302016-03-31
Value033.3332.99700.3333000.3333000.3333000.3333000.3333
Percentage of SharebasedCompensationArrangementBySharebasedPaymentAwardAwardVestingRightsPercentage0.0100.0100.00.0100.00.00.0100.00.00.0100.00.00.0100.00.00.0100.0

brkl:TimebasedAwards, brkl:VestingSecondAnniversary


Sharebased
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-09-302016-06-302016-03-31
Value033.3332.99700.3333000.3333000.3333000.3333000.3333
Percentage of SharebasedCompensationArrangementBySharebasedPaymentAwardAwardVestingRightsPercentage0.0100.0100.00.0100.00.00.0100.00.00.0100.00.00.0100.00.00.0100.0

brkl:TimebasedAwards, brkl:VestingThirdAnniversary


Sharebased
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-09-302016-06-302016-03-31
Value033.3332.99700.3333000.3333000.3333000.3333000.3333
Percentage of SharebasedCompensationArrangementBySharebasedPaymentAwardAwardVestingRightsPercentage0.0100.0100.00.0100.00.00.0100.00.00.0100.00.00.0100.00.00.0100.0

us-gaap:StockIssuedDuringPeriodValueRestrictedStockAwardNetOfForfeitures

us-gaap:StockIssuedDuringPeriodValueRestrictedStockAwardNetOfForfeitures


Stock
Period End2020-12-312020-09-302019-12-312019-09-302018-12-312018-09-302013-12-31
Value0-375000.0354000.0185000.0825000.0702000.00
Percentage of StockIssuedDuringPeriodValueRestrictedStockAwardNetOfForfeitures0.0100.0100.0100.0100.0100.00.0

us-gaap:StockIssuedDuringPeriodValueRestrictedStockAwardNetOfForfeitures us-gaap:StatementEquityComponents

us-gaap:AdditionalPaidInCapital


Stock
Period End2021-06-302021-03-312020-12-312020-09-302019-12-312019-09-302018-12-312018-09-302013-12-31
Value30000.0120000.0377000.0-2571000.0319000.0-1708000.01611000.0-2418000.0250000.0
Percentage of StockIssuedDuringPeriodValueRestrictedStockAwardNetOfForfeitures0.00.00.0685.690.1-923.2195.3-344.40.0

us-gaap:Parent


Stock
Period End2020-12-312020-09-302019-12-312019-09-302018-12-312018-09-30
Value0-375000.0354000.0185000.0825000.0702000.0
Percentage of StockIssuedDuringPeriodValueRestrictedStockAwardNetOfForfeitures0.0100.0100.0100.0100.0100.0

us-gaap:TreasuryStock


Stock
Period End2021-06-302021-03-312020-12-312020-09-302019-12-312019-09-302018-12-312013-12-31
Value-30000.0-120000.0-377000.02196000.0104000.01893000.0-786000.0-250000.0
Percentage of StockIssuedDuringPeriodValueRestrictedStockAwardNetOfForfeitures0.00.00.0-585.629.41023.2-95.30.0

us-gaap:TransferOfOtherRealEstate

us-gaap:TransferOfOtherRealEstate


Transfer
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-31
Value0.370.3825.8870.6681.0681.7333.3220.5611.7170.5051.1290.4650.8320.5940.9381.1573.721.3461.2690.90.7160.8071.4720.671.9763.2522.5273.4352.9393.6864.2062.3494.1851.465
Percentage of TransferOfOtherRealEstate100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:TreasuryStockValueAcquiredCostMethod

us-gaap:TreasuryStockValueAcquiredCostMethod


Treasury
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-30
Value9.590.001-0.001100.0011.87
Percentage of TreasuryStockValueAcquiredCostMethod100.0100.0100.0100.0100.0100.0

us-gaap:TreasuryStockValueAcquiredCostMethod us-gaap:StatementEquityComponents

us-gaap:Parent


Treasury
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-30
Value9.590.001-0.001100.0011.87
Percentage of TreasuryStockValueAcquiredCostMethod100.0100.0100.0100.0100.0100.0

us-gaap:TreasuryStock


Treasury
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-30
Value9.590.001-0.001100.0011.87
Percentage of TreasuryStockValueAcquiredCostMethod100.0100.0100.0100.0100.0100.0

us-gaap:WeightedAverageNumberDilutedSharesOutstandingAdjustment

us-gaap:WeightedAverageNumberDilutedSharesOutstandingAdjustment


Weighted
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-09-302016-06-302016-03-312015-09-302015-06-302015-03-312014-09-302014-06-302014-03-312013-09-302013-06-302013-03-312012-09-302012-06-302012-03-312011-09-302011-06-302011-03-31
Value320090.0260310.0107760.0165990.0184310.0183110.0216370.0185000.0200420.0320640.0288210.0306890.0485080.0457330.0151040.0191490.0156490.0110960.0166020.0128020.099078.0125800.0108530.082812.058838.067846.038190.038234.01254.0198.01643.06821.0
Percentage of WeightedAverageNumberDilutedSharesOutstandingAdjustment100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

brkl:AccruedExpensesAndOtherLiabilities

brkl:AccruedExpensesAndOtherLiabilities


Accrued
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312015-12-312014-12-312013-12-312013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value1891582392372653171461971329810096827467747169727261513854474750262118211716
Percentage of AccruedExpensesAndOtherLiabilities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

brkl:AccruedExpensesAndOtherLiabilities us-gaap:ConsolidatedEntities

srt:ParentCompany


Accrued
Period End2020-12-312019-12-312018-12-312017-12-31
Value16165.7430.168
Percentage of AccruedExpensesAndOtherLiabilities7.011.05.70.2

brkl:AvailableForSaleAndHeldToMaturitySecuritiesContinuousUnrealizedLossPosition12MonthsOrLongerAccumulatedLoss

brkl:AvailableForSaleAndHeldToMaturitySecuritiesContinuousUnrealizedLossPosition12MonthsOrLongerAccumulatedLoss


Available
Period End2021-06-302021-03-312020-12-312020-09-302019-12-31
Value205000.07000.09000.016000.01364000.0
Percentage of AvailableForSaleAndHeldToMaturitySecuritiesContinuousUnrealizedLossPosition12MonthsOrLongerAccumulatedLoss100.0100.0100.0100.0100.0

brkl:AvailableForSaleAndHeldToMaturitySecuritiesContinuousUnrealizedLossPositionAccumulatedLoss

brkl:AvailableForSaleAndHeldToMaturitySecuritiesContinuousUnrealizedLossPositionAccumulatedLoss


Available
Period End2021-06-302021-03-312020-12-312020-09-302019-12-31
Value5.61100.7310.2411.922
Percentage of AvailableForSaleAndHeldToMaturitySecuritiesContinuousUnrealizedLossPositionAccumulatedLoss100.0100.0100.0100.0100.0

brkl:AvailableForSaleAndHeldToMaturitySecuritiesContinuousUnrealizedLossPositionFairValue

brkl:AvailableForSaleAndHeldToMaturitySecuritiesContinuousUnrealizedLossPositionFairValue


Available
Period End2021-06-302021-03-312020-12-312020-09-302019-12-31
Value2142618672227
Percentage of AvailableForSaleAndHeldToMaturitySecuritiesContinuousUnrealizedLossPositionFairValue100.0100.0100.0100.0100.0

brkl:AvailableForSaleAndHeldToMaturitySecuritiesContinuousUnrealizedLossPositionLessThan12MonthsAccumulatedLoss

brkl:AvailableForSaleAndHeldToMaturitySecuritiesContinuousUnrealizedLossPositionLessThan12MonthsAccumulatedLoss


Available
Period End2021-06-302021-03-312020-12-312020-09-302019-12-31
Value5.405100.7220.2250.558
Percentage of AvailableForSaleAndHeldToMaturitySecuritiesContinuousUnrealizedLossPositionLessThan12MonthsAccumulatedLoss100.0100.0100.0100.0100.0

brkl:AvailableForSaleAndHeldToMaturitySecuritiesContinuousUnrealizedLossPositionLessThanTwelveMonthsFairValue

brkl:AvailableForSaleAndHeldToMaturitySecuritiesContinuousUnrealizedLossPositionLessThanTwelveMonthsFairValue


Available
Period End2021-06-302021-03-312020-12-312020-09-302019-12-31
Value2042608568117
Percentage of AvailableForSaleAndHeldToMaturitySecuritiesContinuousUnrealizedLossPositionLessThanTwelveMonthsFairValue100.0100.0100.0100.0100.0

brkl:AvailableForSaleAndHeldToMaturitySecuritiesContinuousUnrealizedLossPositionTwelveMonthsOrLongerFairValue

brkl:AvailableForSaleAndHeldToMaturitySecuritiesContinuousUnrealizedLossPositionTwelveMonthsOrLongerFairValue


Available
Period End2021-06-302021-03-312020-12-312020-09-302019-12-31
Value9.6691.2981.4654.312110
Percentage of AvailableForSaleAndHeldToMaturitySecuritiesContinuousUnrealizedLossPositionTwelveMonthsOrLongerFairValue100.0100.0100.0100.0100.0

brkl:AvailableForSaleSecuritiesAndLoansPledgedAsCollateral

brkl:AvailableForSaleSecuritiesAndLoansPledgedAsCollateral


Available
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-31
Value2900250024001900180023002100160018001200
Percentage of AvailableForSaleSecuritiesAndLoansPledgedAsCollateral100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

brkl:AvailableForSaleSecuritiesDebtMaturitiesWeightedAverageRate

brkl:AvailableForSaleSecuritiesDebtMaturitiesWeightedAverageRate


Available
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312011-12-31
Value1.771.841.811.840.01890.02040.02130.02150.02150.02160.02160.02180.02180.02150.02070.02030.02030.02050.02040.020.01960.020.02030.020.02020.01980.01990.020.01960.01980.020.02040.01970.01970.01970.0229
Percentage of AvailableForSaleSecuritiesDebtMaturitiesWeightedAverageRate100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

brkl:CallableSecuritiesDebtMaturitiesAfterFiveThroughTenYearsFairValue

brkl:CallableSecuritiesDebtMaturitiesAfterFiveThroughTenYearsFairValue


Callable
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312015-12-312014-12-31
Value4566686893460.00.67.81110101313256.5152423319.9
Percentage of CallableSecuritiesDebtMaturitiesAfterFiveThroughTenYearsFairValue100.0100.0100.0100.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

brkl:CallableSecuritiesDebtMaturitiesAfterOneThroughFiveYearsFairValue

brkl:CallableSecuritiesDebtMaturitiesAfterOneThroughFiveYearsFairValue


Callable
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-31
Value1212121313193441128.58.4118.917321514173.03.13.16.1153.09.58.05.0
Percentage of CallableSecuritiesDebtMaturitiesAfterOneThroughFiveYearsFairValue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

brkl:CallableSecuritiesDebtMaturitiesAfterTenYearsFairValue

brkl:CallableSecuritiesDebtMaturitiesAfterTenYearsFairValue


Callable
Period End2021-06-302021-03-312020-12-312020-09-302019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312014-12-312014-06-302013-12-312012-12-31
Value9900000.09400000.09800000.09900000.00000000900000.000900000.01400000.01300000.001200000.01300000.01200000.01300000.03000000.03900000.0
Percentage of CallableSecuritiesDebtMaturitiesAfterTenYearsFairValue100.0100.0100.0100.00.00.00.00.00.00.00.0100.00.00.0100.0100.0100.00.0100.0100.0100.0100.0100.0100.0

brkl:CertainLoansAcquiredInTransferAccountedForAsDebtSecuritiesRightToCallOrPrepayTheObligationsEstimatedFairValue

brkl:CertainLoansAcquiredInTransferAccountedForAsDebtSecuritiesRightToCallOrPrepayTheObligationsEstimatedFairValue


Certain
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312012-12-31
Value678890911309737451919192121305821304227281034485.03512163.95.22.93.78.9
Percentage of CertainLoansAcquiredInTransferAccountedForAsDebtSecuritiesRightToCallOrPrepayTheObligationsEstimatedFairValue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

brkl:CommitmentsToOriginateLoansAndLeases brkl:LoanCommitmentsByNatureOfCommitments

brkl:CommitmentsToOriginateLoansAndLeases

us-gaap:CommercialLoan


Commitments
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-31
Value12610580851029378779575758614310683899776717486747871647410211214613214366766111610712012338
Percentage of CommitmentsToOriginateLoansAndLeases100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:CommercialRealEstate


Commitments
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-31
Value118107174115454050751551087613051347695562627683418361084856107456746485558105158501569185
Percentage of CommitmentsToOriginateLoansAndLeases94.2102.1217.0135.244.443.764.197.3161.9143.8101.2151.435.731.992.1107.258.434.638.791.539.525.346.1152.475.176.4104.740.746.035.234.283.876.2171.7136.647.3129.374.0218.1

us-gaap:ResidentialMortgage


Commitments
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-31
Value398230293252256321181622252428191428285.0199.00715198.65119.878201510108.0278.1616.1747.6298.9264.73433158.946
Percentage of CommitmentsToOriginateLoansAndLeases31.578.137.934.031.656.533.381.722.324.921.625.718.022.634.522.114.637.839.36.710.420.624.912.217.413.320.014.17.28.05.612.38.012.47.74.428.112.522.9

brkl:CommitmentsToUnadvancedPortionOfLoans

brkl:CommitmentsToUnadvancedPortionOfLoans


Commitments
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312010-12-31
Value883826759812823713808795797720707611607608571526536544580585628643648564533534629610549577592539519427299345444419197154
Percentage of CommitmentsToUnadvancedPortionOfLoans100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

brkl:DebtSecuritiesAvailableForSaleSecuritiesInUnrealizedLossPositionsAsPercentageOfAmortizedCostOfSecurities

brkl:DebtSecuritiesAvailableForSaleSecuritiesInUnrealizedLossPositionsAsPercentageOfAmortizedCostOfSecurities


Debt
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-31
Value30.935.811.79.30.0170.0770.412
Percentage of DebtSecuritiesAvailableForSaleSecuritiesInUnrealizedLossPositionsAsPercentageOfAmortizedCostOfSecurities100.0100.0100.0100.0100.0100.0100.0

brkl:DeferredTaxAssetsNonAccrualInterestAndPartialWriteDownOnLoans

brkl:DeferredTaxAssetsNonAccrualInterestAndPartialWriteDownOnLoans


Deferred
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-31
Value634000.0557000.0482000.0551000.0621000.0352000.0814000.0878000.0948000.0307000.01346000.0
Percentage of DeferredTaxAssetsNonAccrualInterestAndPartialWriteDownOnLoans100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

brkl:DeferredTaxAssetsOperatingLeaseLiabilities

brkl:DeferredTaxAssetsOperatingLeaseLiabilities


Deferred
Period End2020-12-312019-12-31
Value6260000.06450000.0
Percentage of DeferredTaxAssetsOperatingLeaseLiabilities100.0100.0

brkl:DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsEmployeeStockOwnershipPlan

brkl:DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsEmployeeStockOwnershipPlan


Deferred
Period End2020-12-312019-12-31
Value55000.083000.0
Percentage of DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsEmployeeStockOwnershipPlan100.0100.0

brkl:DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsSupplementalExecutiveRetirementPlans

brkl:DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsSupplementalExecutiveRetirementPlans


Deferred
Period End2020-12-312019-12-31
Value3290000.03023000.0
Percentage of DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsSupplementalExecutiveRetirementPlans100.0100.0

brkl:DeferredTaxAssetsUnamortizedSBAPPPFeeIncome

brkl:DeferredTaxAssetsUnamortizedSBAPPPFeeIncome


Deferred
Period End2020-12-31
Value2534000.0
Percentage of DeferredTaxAssetsUnamortizedSBAPPPFeeIncome100.0

brkl:DeferredTaxLiabilitiesAcquisitionFairValueAdjustments

brkl:DeferredTaxLiabilitiesAcquisitionFairValueAdjustments


Deferred
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312011-12-312010-12-31
Value1097000.01077000.01001000.01192000.0975000.001116000.01258000.0
Percentage of DeferredTaxLiabilitiesAcquisitionFairValueAdjustments100.0100.0100.0100.0100.00.0100.0100.0

brkl:DeferredTaxLiabilitiesOperatingRightOfUseAssets

brkl:DeferredTaxLiabilitiesOperatingRightOfUseAssets


Deferred
Period End2020-12-312019-12-31
Value6260000.06450000.0
Percentage of DeferredTaxLiabilitiesOperatingRightOfUseAssets100.0100.0

brkl:DepositsBrokeredDeposits

brkl:DepositsBrokeredDeposits


Deposits
Period End2020-12-312019-12-31
Value693349
Percentage of DepositsBrokeredDeposits100.0100.0

brkl:DepositsExcludingTimeDepositsFairValueDisclosure

brkl:DepositsExcludingTimeDepositsFairValueDisclosure


Deposits
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-31
Value48263808366436633570321830112900260514461019
Percentage of DepositsExcludingTimeDepositsFairValueDisclosure100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

brkl:DepositsMoneyMarketDepositsWeightedAverageRate

brkl:DepositsMoneyMarketDepositsWeightedAverageRate


Deposits
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-31
Value0.310.01150.01180.00560.00470.00440.00520.00540.00630.00830.0101
Percentage of DepositsMoneyMarketDepositsWeightedAverageRate100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

brkl:DepositsNegotiableOrderOfWithdrawalNOWWeightedAverageRate

brkl:DepositsNegotiableOrderOfWithdrawalNOWWeightedAverageRate


Deposits
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-31
Value0.090.00110.0010.00070.00070.00070.00070.00070.00090.00180.0013
Percentage of DepositsNegotiableOrderOfWithdrawalNOWWeightedAverageRate100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

brkl:DepositsPledgedAsCollateral

brkl:DepositsPledgedAsCollateral


Deposits
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-31
Value2171842111651601709362868.3
Percentage of DepositsPledgedAsCollateral100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

brkl:DepositsSavingsDepositsWeightedAverageRate

brkl:DepositsSavingsDepositsWeightedAverageRate


Deposits
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-31
Value0.130.00460.00320.00250.0020.00250.00210.00250.00390.0040.0058
Percentage of DepositsSavingsDepositsWeightedAverageRate100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

brkl:DerivativeNotionalAmountMaturingAfterFourYears us-gaap:DerivativeInstrumentRisk, us-gaap:HedgingDesignation

brkl:DerivativeNotionalAmountMaturingAfterFourYears

brkl:LoanLevelDerivativePayFixedReceiveVariable, us-gaap:Nondesignated


Derivative
Period End2021-06-302021-03-312020-12-312020-09-302019-12-31
Value10101089109011411028
Percentage of DerivativeNotionalAmountMaturingAfterFourYears100.0100.0100.0100.0100.0

brkl:LoanLevelDerivativeReceiveFixedPayVariable, us-gaap:Nondesignated


Derivative
Period End2021-06-302021-03-312020-12-312020-09-302019-12-31
Value10101089109011411028
Percentage of DerivativeNotionalAmountMaturingAfterFourYears100.0100.0100.0100.0100.0

brkl:RiskParticipationinAgreement, us-gaap:Nondesignated


Derivative
Period End2021-06-302021-03-312020-12-312020-09-302019-12-31
Value4141414136
Percentage of DerivativeNotionalAmountMaturingAfterFourYears4.13.83.83.73.5

brkl:RiskParticipationoutAgreement, us-gaap:Nondesignated


Derivative
Period End2021-06-302021-03-312020-12-312020-09-302019-12-31
Value226233222234214
Percentage of DerivativeNotionalAmountMaturingAfterFourYears22.421.520.420.520.9

brkl:DerivativeNotionalAmountMaturingInFourYears us-gaap:DerivativeInstrumentRisk, us-gaap:HedgingDesignation

brkl:DerivativeNotionalAmountMaturingInFourYears

brkl:LoanLevelDerivativePayFixedReceiveVariable, us-gaap:Nondesignated


Derivative
Period End2021-06-302021-03-312020-12-312020-09-302019-12-31
Value160118994516
Percentage of DerivativeNotionalAmountMaturingInFourYears100.0100.0100.0100.0100.0

brkl:LoanLevelDerivativeReceiveFixedPayVariable, us-gaap:Nondesignated


Derivative
Period End2021-06-302021-03-312020-12-312020-09-302019-12-31
Value160118994516
Percentage of DerivativeNotionalAmountMaturingInFourYears100.0100.0100.0100.0100.0

brkl:RiskParticipationoutAgreement, us-gaap:Nondesignated


Derivative
Period End2021-06-302021-03-312020-12-312020-09-302019-12-31
Value2922227.0437.143
Percentage of DerivativeNotionalAmountMaturingInFourYears18.219.223.015.542.5

brkl:DerivativeNotionalAmountMaturingInNextTwelveMonths us-gaap:DerivativeInstrumentRisk, us-gaap:HedgingDesignation

brkl:DerivativeNotionalAmountMaturingInNextTwelveMonths

brkl:LoanLevelDerivativePayFixedReceiveVariable, us-gaap:Nondesignated


Derivative
Period End2021-06-302020-09-302019-12-31
Value8.3952324
Percentage of DerivativeNotionalAmountMaturingInNextTwelveMonths100.0100.0100.0

brkl:LoanLevelDerivativeReceiveFixedPayVariable, us-gaap:Nondesignated


Derivative
Period End2021-06-302020-09-302019-12-31
Value8.3952324
Percentage of DerivativeNotionalAmountMaturingInNextTwelveMonths100.0100.0100.0

brkl:RiskParticipationoutAgreement, us-gaap:Nondesignated


Derivative
Period End2020-09-302019-12-31
Value1313
Percentage of DerivativeNotionalAmountMaturingInNextTwelveMonths56.456.4

brkl:DerivativeNotionalAmountMaturingInNextTwelveMonths us-gaap:DerivativeInstrumentRisk, us-gaap:HedgingDesignation, us-gaap:Position

us-gaap:ForeignExchangeContract, us-gaap:Nondesignated, us-gaap:Long


Derivative
Period End2021-06-302021-03-312020-12-312020-09-302019-12-31
Value1.361.4161.2661.5111.125
Percentage of DerivativeNotionalAmountMaturingInNextTwelveMonths16.20.00.06.44.5

us-gaap:ForeignExchangeContract, us-gaap:Nondesignated, us-gaap:Short


Derivative
Period End2021-06-302021-03-312020-12-312020-09-302019-12-31
Value1.3621.4221.2731.5211.23
Percentage of DerivativeNotionalAmountMaturingInNextTwelveMonths16.20.00.06.55.0

brkl:DerivativeNotionalAmountMaturingInOneYear us-gaap:DerivativeInstrumentRisk, us-gaap:HedgingDesignation, us-gaap:Position

brkl:DerivativeNotionalAmountMaturingInOneYear

us-gaap:ForeignExchangeContract, us-gaap:Nondesignated, us-gaap:Long


Derivative
Period End2020-12-312019-12-31
Value1.2661.125
Percentage of DerivativeNotionalAmountMaturingInOneYear100.0100.0

us-gaap:ForeignExchangeContract, us-gaap:Nondesignated, us-gaap:Short


Derivative
Period End2020-12-312019-12-31
Value1.2731.23
Percentage of DerivativeNotionalAmountMaturingInOneYear100.6109.3

brkl:DerivativeNotionalAmountMaturingInThreeYears us-gaap:DerivativeInstrumentRisk, us-gaap:HedgingDesignation

brkl:DerivativeNotionalAmountMaturingInThreeYears

brkl:LoanLevelDerivativePayFixedReceiveVariable, us-gaap:Nondesignated


Derivative
Period End2021-06-302021-03-312020-12-312020-09-302019-12-31
Value4.65813162431
Percentage of DerivativeNotionalAmountMaturingInThreeYears100.0100.0100.0100.0100.0

brkl:LoanLevelDerivativeReceiveFixedPayVariable, us-gaap:Nondesignated


Derivative
Period End2021-06-302021-03-312020-12-312020-09-302019-12-31
Value4.65813162431
Percentage of DerivativeNotionalAmountMaturingInThreeYears100.0100.0100.0100.0100.0

brkl:RiskParticipationinAgreement, us-gaap:Nondesignated


Derivative
Period End2021-06-302021-03-312020-12-31
Value181819
Percentage of DerivativeNotionalAmountMaturingInThreeYears404.9135.7115.5

brkl:RiskParticipationoutAgreement, us-gaap:Nondesignated


Derivative
Period End2021-06-302021-03-312020-12-31
Value6.9396.9757.009
Percentage of DerivativeNotionalAmountMaturingInThreeYears149.050.042.6

brkl:DerivativeNotionalAmountMaturingInTwoYears us-gaap:DerivativeInstrumentRisk, us-gaap:HedgingDesignation

brkl:DerivativeNotionalAmountMaturingInTwoYears

brkl:LoanLevelDerivativePayFixedReceiveVariable, us-gaap:Nondesignated


Derivative
Period End2021-06-302021-03-312020-12-312020-09-30
Value2.387108.5418.614
Percentage of DerivativeNotionalAmountMaturingInTwoYears100.0100.0100.0100.0

brkl:LoanLevelDerivativeReceiveFixedPayVariable, us-gaap:Nondesignated


Derivative
Period End2021-06-302021-03-312020-12-312020-09-30
Value2.387108.5418.614
Percentage of DerivativeNotionalAmountMaturingInTwoYears100.0100.0100.0100.0

brkl:EmployeeStockOwnershipPlanESOPOutstandingLoanAmount us-gaap:ConsolidatedEntities

brkl:EmployeeStockOwnershipPlanESOPOutstandingLoanAmount

srt:ParentCompany


Employee
Period End2020-12-312019-12-312018-12-312017-12-31
Value502000.0752000.01002000.01252000.0
Percentage of EmployeeStockOwnershipPlanESOPOutstandingLoanAmount100.0100.0100.0100.0

brkl:EmployeeStockOwnershipPlanESOPOutstandingLoanAmount us-gaap:EmployeeStockOwnershipPlanESOPDisclosuresByPlan

brkl:EmployeeStockOwnershipPlanESOP


Employee
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312011-09-302011-06-302010-12-31
Value500000.0800000.01000000.01300000.01500000.01800000.02000000.02300000.0-2600000.02752000.02814000.02877000.03002000.0
Percentage of EmployeeStockOwnershipPlanESOPOutstandingLoanAmount99.6106.499.8103.80.00.00.00.00.00.00.00.00.0

brkl:FederalHomeLoanBankOvernightBorrowings

brkl:FederalHomeLoanBankOvernightBorrowings


Federal
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-31
Value0.6464.2374.6284.6762.1429.5735.70812
Percentage of FederalHomeLoanBankOvernightBorrowings100.0100.0100.0100.0100.0100.0100.0100.0

brkl:FinancingReceivableModificationsAllowanceForCreditLosses

brkl:FinancingReceivableModificationsAllowanceForCreditLosses


Financing
Period End2021-06-302019-12-312019-09-302018-12-312018-09-302018-06-302017-06-302016-12-312016-09-302016-06-302015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-30
Value9000.02028000.073000.0-115000.0114000.088000.02392000.0-3478000.0240000.0307000.00119000.0122000.012000.0-3000.018000.026000.0023000.012000.012000.0
Percentage of FinancingReceivableModificationsAllowanceForCreditLosses100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.0

brkl:FinancingReceivableModificationsAllowanceForCreditLosses brkl:AccountsNotesLoansAndFinancingReceivableByReceivableNature

brkl:OriginatedFinancingReceivable


Financing
Period End2020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-09-302016-06-302016-03-312015-09-302015-06-302015-03-312014-09-302014-06-302014-03-312013-09-302013-06-302013-03-312012-12-312012-06-302012-03-312011-12-31
Value11000.00061000.0192000.0191000.0114000.088000.041000.0152000.02392000.0364000.0220000.0307000.02156000.0119000.0122000.0018000.017000.0012000.012000.0160000.0774000.0159000.0172000.0391000.0
Percentage of FinancingReceivableModificationsAllowanceForCreditLosses0.00.00.083.60.00.0100.0100.00.00.0100.00.091.7100.00.0100.0100.00.0100.065.40.0100.0100.00.00.00.00.00.0

brkl:FinancingReceivableModificationsAllowanceForCreditLosses brkl:AccountsNotesLoansAndFinancingReceivableByReceivableNature, us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable

brkl:OriginatedFinancingReceivable, brkl:CommercialLoansEquipmentFinancingLoans


Financing
Period End2021-06-302020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-31
Value9000.0162000.011000.000-376000.030000.0192000.0182000.08000.0-3000.02000.00137000.0010000.000000000-3000.018000.000
Percentage of FinancingReceivableModificationsAllowanceForCreditLosses100.00.00.00.00.0-18.541.10.00.0-7.0-2.62.30.00.00.00.4-0.00.00.00.00.00.00.00.0100.0100.00.00.0

brkl:FinancingReceivableModificationsAmountModifiedToTroubleDebtRestructurings

brkl:FinancingReceivableModificationsAmountModifiedToTroubleDebtRestructurings


Financing
Period End2020-12-312019-12-31
Value2400000.03100000.0
Percentage of FinancingReceivableModificationsAmountModifiedToTroubleDebtRestructurings100.0100.0

brkl:FinancingReceivableModificationsRecordedInvestmentOnAccrual

brkl:FinancingReceivableModificationsRecordedInvestmentOnAccrual


Financing
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-31
Value141611111016172227281212121416141413131615161717141414
Percentage of FinancingReceivableModificationsRecordedInvestmentOnAccrual100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

brkl:FinancingReceivableModificationsRecordedInvestmentOnNonaccrual

brkl:FinancingReceivableModificationsRecordedInvestmentOnNonaccrual


Financing
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-31
Value6.416.2937.4765.7425.9725.8196.1045.7638.4317.5978.6848.7799.3918.619.77151611111515144.9655.965.9816.1265.625
Percentage of FinancingReceivableModificationsRecordedInvestmentOnNonaccrual100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

brkl:FinancingReceivableNumberOfLoans us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable, us-gaap:SubsequentEventType

brkl:FinancingReceivableNumberOfLoans

brkl:LoansWithShortTermDeferments, us-gaap:SubsequentEvent


Financing
Period End2020-08-062020-05-29
Value5422.05293.0
Percentage of FinancingReceivableNumberOfLoans100.0100.0

brkl:FinancingReceivableRelatedParties us-gaap:RelatedPartyTransactionsByRelatedParty

brkl:FinancingReceivableRelatedParties

srt:Management


Financing
Period End2020-12-312019-12-312018-12-31
Value787046
Percentage of FinancingReceivableRelatedParties100.0100.0100.0

brkl:GeneralAllowanceForLoanAndLeaseLosses

brkl:GeneralAllowanceForLoanAndLeaseLosses


General
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-31
Value1051081121161121075957565555565556555756565352525353515149504948454442393836
Percentage of GeneralAllowanceForLoanAndLeaseLosses100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

brkl:IntercompanyLoans us-gaap:ConsolidatedEntities

brkl:IntercompanyLoans

srt:ParentCompany


Intercompany
Period End2020-12-312019-12-312018-12-312017-12-31
Value10.0304080
Percentage of IntercompanyLoans100.0100.0100.0100.0

brkl:LetterOfCreditFacilityRemainingBorrowingCapacityForCommercialLettersOfCredit

brkl:LetterOfCreditFacilityRemainingBorrowingCapacityForCommercialLettersOfCredit


Letter
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302011-12-31
Value5369000.05369000.05105000.06211000.02447000.03823000.03823000.04648000.04573000.04573000.04573000.02385000.0184000.0184000.0184000.0855000.0840000.0842000.0785000.01717000.0821000.0878000.0821000.0227000.0223000.050000.050000.02057000.02302000.02316000.0440000.0228000.0158000.025000.0112000.025000.025000.0
Percentage of LetterOfCreditFacilityRemainingBorrowingCapacityForCommercialLettersOfCredit100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

brkl:LetterOfCreditFacilityRemainingBorrowingCapacityForFinancialStandbyLettersOfCredit

brkl:LetterOfCreditFacilityRemainingBorrowingCapacityForFinancialStandbyLettersOfCredit


Letter
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302011-12-31
Value15151413101110109.671101110109.9721211101111101112121117161618181820181919191918
Percentage of LetterOfCreditFacilityRemainingBorrowingCapacityForFinancialStandbyLettersOfCredit100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

brkl:LetterOfCreditFacilityRemainingBorrowingCapacityForPerformanceStandbyLettersOfCredit

brkl:LetterOfCreditFacilityRemainingBorrowingCapacityForPerformanceStandbyLettersOfCredit


Letter
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-31
Value126.6075.9036.1356.0686.1074.6523.6963.4283.3323.0751.0361.0360.7360.7360.6680.4840.4660.5160.4720.6220.6220.3920.4020.3420.013.1263.1163.1892.9892.9892.9162.9162.9162.916
Percentage of LetterOfCreditFacilityRemainingBorrowingCapacityForPerformanceStandbyLettersOfCredit100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

brkl:LineOfCreditFacilityRemainingBorrowingCapacityForEquity

brkl:LineOfCreditFacilityRemainingBorrowingCapacityForEquity


Line
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312010-12-31
Value60259158456456553752851551250348746645243540738337235734032831930628027125624923923421220720519718717916516293878263
Percentage of LineOfCreditFacilityRemainingBorrowingCapacityForEquity100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

brkl:LineOfCreditFacilityRemainingBorrowingCapacityForOther

brkl:LineOfCreditFacilityRemainingBorrowingCapacityForOther


Line
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312010-12-31
Value394138294825253537365026262934141112131411121212131110116.3866.3631.0353.5685.8043.8924.0173.71107.835.0954.072
Percentage of LineOfCreditFacilityRemainingBorrowingCapacityForOther100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

brkl:LineOfCreditFacilityRemainingBorrowingCapacityForOtherCommercial

brkl:LineOfCreditFacilityRemainingBorrowingCapacityForOtherCommercial


Line
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302011-12-31
Value408000.0431000.0408000.0440000.0447000.0406000.0380000.0393000.0423000.0455000.0347000.0330000.0388000.0336000.0323000.0306000.0279000.0481000.0208000.0188000.0164000.0117000.0529000.0630000.0816000.0859000.0728000.01081000.01138000.01317000.001015000.0972000.0945000.0965000.0880000.0838000.0
Percentage of LineOfCreditFacilityRemainingBorrowingCapacityForOtherCommercial100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.0100.0100.0100.0

brkl:LossContingencyLiabilityForUnfundedCreditCommitments

brkl:LossContingencyLiabilityForUnfundedCreditCommitments


Loss
Period End2020-12-312019-12-312018-12-312017-12-312017-06-302017-03-312016-12-312015-12-312014-12-312013-12-312013-06-302013-03-312012-12-312012-09-302011-12-31
Value131.91.91.71.51.41.51.31.31.00.90.80.70.70.8
Percentage of LossContingencyLiabilityForUnfundedCreditCommitments100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

brkl:PercentageOfLoansAndLeasesReceivableToAggregateOutstandingAmount us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable

brkl:PercentageOfLoansAndLeasesReceivableToAggregateOutstandingAmount

brkl:LoansWithShortTermDeferments


Percentage
Period End2021-06-302021-03-312020-12-312020-09-302020-06-30
Value1.41.71.23.80.16
Percentage of PercentageOfLoansAndLeasesReceivableToAggregateOutstandingAmount100.0100.0100.0100.0100.0

brkl:PercentageOfLoansAndLeasesReceivableToAggregateOutstandingAmount us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable, us-gaap:SubsequentEventType

brkl:LoansGrantedShortTermDefermentStatus, us-gaap:SubsequentEvent


Percentage
Period End2020-11-04
Value16.5
Percentage of PercentageOfLoansAndLeasesReceivableToAggregateOutstandingAmount0.0

brkl:LoansWithShortTermDeferments, us-gaap:SubsequentEvent


Percentage
Period End2020-08-06
Value0.166
Percentage of PercentageOfLoansAndLeasesReceivableToAggregateOutstandingAmount0.0

brkl:RestrictedRetainedEarningLiquidationAmount

brkl:RestrictedRetainedEarningLiquidationAmount


Restricted
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-31
Value11111315151618202224
Percentage of RestrictedRetainedEarningLiquidationAmount100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

brkl:RetainedEarningsPartiallyRestricted

brkl:RetainedEarningsPartiallyRestricted


Retained
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value3042822642472372272652522382262122001851721611601511431361291221161091029690837873696463595653474240393736343225
Percentage of RetainedEarningsPartiallyRestricted100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

brkl:RetainedEarningsPartiallyRestricted us-gaap:ConsolidatedEntities

srt:ParentCompany


Retained
Period End2020-12-312019-12-312018-12-312017-12-31
Value264265212161
Percentage of RetainedEarningsPartiallyRestricted100.0100.0100.0100.0

brkl:SpecificAllowanceForLoanAndLeaseLosses

brkl:SpecificAllowanceForLoanAndLeaseLosses


Specific
Period End2021-06-302021-03-312020-12-312020-09-302019-12-312015-12-312015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-31
Value1100000.01100000.02300000.03600000.01800000.03600000.02800000.02900000.01200000.0800000.01100000.01300000.01500000.01600000.01100000.01500000.01700000.0
Percentage of SpecificAllowanceForLoanAndLeaseLosses100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

brkl:TierOneCommonCapitalRatio

brkl:TierOneCommonCapitalRatio


Tier
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-31
Value11.040.11440.11940.12020.10480.1062
Percentage of TierOneCommonCapitalRatio100.0100.0100.0100.0100.0100.0

brkl:TierOneCommonCapitalRatio dei:LegalEntity

brkl:BankRhodeIsland


Tier
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-31
Value11.030.11750.11370.11380.10940.1063
Percentage of TierOneCommonCapitalRatio99.9102.795.294.7104.4100.1

brkl:TierOneCommonCapitalRatio us-gaap:ConsolidatedEntities

srt:Subsidiaries


Tier
Period End2020-12-312019-12-312018-12-312017-12-31
Value11.720.11440.12060.1156
Percentage of TierOneCommonCapitalRatio106.2100.0101.096.2

brkl:TierOneCommonEquityCapital

brkl:TierOneCommonEquityCapital


Tier
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-31
Value764780745669559530
Percentage of TierOneCommonEquityCapital100.0100.0100.0100.0100.0100.0

brkl:TierOneCommonEquityCapital dei:LegalEntity

brkl:BankRhodeIsland


Tier
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-31
Value239240209193182171
Percentage of TierOneCommonEquityCapital31.330.828.129.032.632.4

brkl:TierOneCommonEquityCapital us-gaap:ConsolidatedEntities

srt:Subsidiaries


Tier
Period End2020-12-312019-12-312018-12-312017-12-31
Value557513495414
Percentage of TierOneCommonEquityCapital72.965.766.561.9

brkl:TierOneCommonEquityCapitalRequiredForCapitalAdequacy

brkl:TierOneCommonEquityCapitalRequiredForCapitalAdequacy


Tier
Period End2020-12-312019-12-31
Value311307
Percentage of TierOneCommonEquityCapitalRequiredForCapitalAdequacy100.0100.0

brkl:TierOneCommonEquityCapitalRequiredForCapitalAdequacy dei:LegalEntity

brkl:BankRhodeIsland


Tier
Period End2020-12-312019-12-31
Value9792
Percentage of TierOneCommonEquityCapitalRequiredForCapitalAdequacy31.330.0

brkl:TierOneCommonEquityCapitalRequiredForCapitalAdequacy us-gaap:ConsolidatedEntities

srt:Subsidiaries


Tier
Period End2020-12-312019-12-31
Value213201
Percentage of TierOneCommonEquityCapitalRequiredForCapitalAdequacy68.765.7

brkl:TierOneCommonEquityCapitalRequiredForFullyPhasedInCapitalAdequacyPurposesPlusCapitalConservationBuffer

brkl:TierOneCommonEquityCapitalRequiredForFullyPhasedInCapitalAdequacyPurposesPlusCapitalConservationBuffer


Tier
Period End2020-12-312019-12-31
Value484477
Percentage of TierOneCommonEquityCapitalRequiredForFullyPhasedInCapitalAdequacyPurposesPlusCapitalConservationBuffer100.0100.0

brkl:TierOneCommonEquityCapitalRequiredForFullyPhasedInCapitalAdequacyPurposesPlusCapitalConservationBuffer dei:LegalEntity

brkl:BankRhodeIsland


Tier
Period End2020-12-312019-12-31
Value151143
Percentage of TierOneCommonEquityCapitalRequiredForFullyPhasedInCapitalAdequacyPurposesPlusCapitalConservationBuffer31.330.0

brkl:TierOneCommonEquityCapitalRequiredForFullyPhasedInCapitalAdequacyPurposesPlusCapitalConservationBuffer us-gaap:ConsolidatedEntities

srt:Subsidiaries


Tier
Period End2020-12-312019-12-31
Value332314
Percentage of TierOneCommonEquityCapitalRequiredForFullyPhasedInCapitalAdequacyPurposesPlusCapitalConservationBuffer68.765.7

brkl:TierOneCommonEquityCapitalRequiredToBeWellCapitalized dei:LegalEntity

brkl:TierOneCommonEquityCapitalRequiredToBeWellCapitalized

brkl:BankRhodeIsland


Tier
Period End2020-12-312019-12-31
Value141132
Percentage of TierOneCommonEquityCapitalRequiredToBeWellCapitalized100.0100.0

brkl:TierOneCommonEquityCapitalRequiredToBeWellCapitalized us-gaap:ConsolidatedEntities

srt:Subsidiaries


Tier
Period End2020-12-312019-12-31
Value309291
Percentage of TierOneCommonEquityCapitalRequiredToBeWellCapitalized219.1219.3

brkl:TierOneLeverageCapitalRequiredForFullyPhasedInCapitalAdequacyPurposesPlusCapitalConservationBuffer

brkl:TierOneLeverageCapitalRequiredForFullyPhasedInCapitalAdequacyPurposesPlusCapitalConservationBuffer


Tier
Period End2020-12-312019-12-31
Value346307
Percentage of TierOneLeverageCapitalRequiredForFullyPhasedInCapitalAdequacyPurposesPlusCapitalConservationBuffer100.0100.0

brkl:TierOneLeverageCapitalRequiredForFullyPhasedInCapitalAdequacyPurposesPlusCapitalConservationBuffer dei:LegalEntity

brkl:BankRhodeIsland


Tier
Period End2020-12-312019-12-31
Value12396
Percentage of TierOneLeverageCapitalRequiredForFullyPhasedInCapitalAdequacyPurposesPlusCapitalConservationBuffer35.531.4

brkl:TierOneLeverageCapitalRequiredForFullyPhasedInCapitalAdequacyPurposesPlusCapitalConservationBuffer us-gaap:ConsolidatedEntities

srt:Subsidiaries


Tier
Period End2020-12-312019-12-31
Value227197
Percentage of TierOneLeverageCapitalRequiredForFullyPhasedInCapitalAdequacyPurposesPlusCapitalConservationBuffer65.464.1

brkl:TierOneRiskBasedCapitalRequiredForFullyPhasedInCapitalAdequacyPurposesPlusCapitalConservationBuffer

brkl:TierOneRiskBasedCapitalRequiredForFullyPhasedInCapitalAdequacyPurposesPlusCapitalConservationBuffer


Tier
Period End2020-12-312019-12-31
Value588580
Percentage of TierOneRiskBasedCapitalRequiredForFullyPhasedInCapitalAdequacyPurposesPlusCapitalConservationBuffer100.0100.0

brkl:TierOneRiskBasedCapitalRequiredForFullyPhasedInCapitalAdequacyPurposesPlusCapitalConservationBuffer dei:LegalEntity

brkl:BankRhodeIsland


Tier
Period End2020-12-312019-12-31
Value184173
Percentage of TierOneRiskBasedCapitalRequiredForFullyPhasedInCapitalAdequacyPurposesPlusCapitalConservationBuffer31.430.0

brkl:TierOneRiskBasedCapitalRequiredForFullyPhasedInCapitalAdequacyPurposesPlusCapitalConservationBuffer us-gaap:ConsolidatedEntities

srt:Subsidiaries


Tier
Period End2020-12-312019-12-31
Value404381
Percentage of TierOneRiskBasedCapitalRequiredForFullyPhasedInCapitalAdequacyPurposesPlusCapitalConservationBuffer68.765.7

brkl:TimeDepositMaturitiesSixMonths

brkl:TimeDepositMaturitiesSixMonths


Time
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-31
Value676730475363345320363381392333326
Percentage of TimeDepositMaturitiesSixMonths100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

brkl:TimeDepositMaturitiesSixToTwelveMonths

brkl:TimeDepositMaturitiesSixToTwelveMonths


Time
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-31
Value461650562342233395258312359306287
Percentage of TimeDepositMaturitiesSixToTwelveMonths100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

brkl:TimeDepositsWeightedAverageInterestRateMaturities

brkl:TimeDepositsWeightedAverageInterestRateMaturities


Time
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-31
Value1.440.02260.01580.01270.01040.00930.00880.00910.01060.01260.0155
Percentage of TimeDepositsWeightedAverageInterestRateMaturities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

brkl:TimeDepositsWeightedAverageInterestRateMaturitiesBrokeredDepositAccounts

brkl:TimeDepositsWeightedAverageInterestRateMaturitiesBrokeredDepositAccounts


Time
Period End2020-12-312019-12-31
Value0.392.18
Percentage of TimeDepositsWeightedAverageInterestRateMaturitiesBrokeredDepositAccounts100.0100.0

brkl:TimeDepositsWeightedAverageInterestRateMaturitiesSixMonths

brkl:TimeDepositsWeightedAverageInterestRateMaturitiesSixMonths


Time
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-31
Value1.60.02240.0120.00930.00770.00650.0070.00720.00910.01160.0145
Percentage of TimeDepositsWeightedAverageInterestRateMaturitiesSixMonths100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

brkl:TimeDepositsWeightedAverageInterestRateMaturitiesSixToTwelveMonths

brkl:TimeDepositsWeightedAverageInterestRateMaturitiesSixToTwelveMonths


Time
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-31
Value1.080.02240.0140.01090.00830.00830.00720.00820.00950.01140.0147
Percentage of TimeDepositsWeightedAverageInterestRateMaturitiesSixToTwelveMonths100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

brkl:TotalRiskBasedCapitalRatioRequiredForFullyPhasedInCapitalAdequacyPurposesPlusCapitalConservationBuffer

brkl:TotalRiskBasedCapitalRatioRequiredForFullyPhasedInCapitalAdequacyPurposesPlusCapitalConservationBuffer


Total
Period End2020-12-312019-12-31
Value726716
Percentage of TotalRiskBasedCapitalRatioRequiredForFullyPhasedInCapitalAdequacyPurposesPlusCapitalConservationBuffer100.0100.0

brkl:TotalRiskBasedCapitalRatioRequiredForFullyPhasedInCapitalAdequacyPurposesPlusCapitalConservationBuffer dei:LegalEntity

brkl:BankRhodeIsland


Total
Period End2020-12-312019-12-31
Value227214
Percentage of TotalRiskBasedCapitalRatioRequiredForFullyPhasedInCapitalAdequacyPurposesPlusCapitalConservationBuffer31.330.0

brkl:TotalRiskBasedCapitalRatioRequiredForFullyPhasedInCapitalAdequacyPurposesPlusCapitalConservationBuffer us-gaap:ConsolidatedEntities

srt:Subsidiaries


Total
Period End2020-12-312019-12-31
Value499471
Percentage of TotalRiskBasedCapitalRatioRequiredForFullyPhasedInCapitalAdequacyPurposesPlusCapitalConservationBuffer68.865.7

brkl:TotalSecurities

brkl:TotalSecurities


Total
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312010-12-31
Value694730746784856764589567590607621654675675649630649629610601602619606589590565551528529527492480479487550535446515256340
Percentage of TotalSecurities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

brkl:UnfundedCommitmentsOnExtensionsOfCredit us-gaap:RelatedPartyTransactionsByRelatedParty

brkl:UnfundedCommitmentsOnExtensionsOfCredit

srt:Management


Unfunded
Period End2020-12-312019-12-312018-12-31
Value15125.9
Percentage of UnfundedCommitmentsOnExtensionsOfCredit100.0100.0100.0

brkl:UnfundedCreditCommitmentsLiability

brkl:UnfundedCreditCommitmentsLiability


Unfunded
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302010-12-31
Value1313131414171.91.81.81.81.91.71.51.71.71.51.51.41.51.31.31.41.31.41.41.21.31.31.21.11.00.90.90.80.70.70.90.90.7640.8140.8141.083
Percentage of UnfundedCreditCommitmentsLiability100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

brkl:UnfundedCreditCommitmentsLiability us-gaap:InvestmentType

brkl:AffordableHousingProject


Unfunded
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-31
Value14201.1151.9331.6863.1632.6082.9044.2912.9
Percentage of UnfundedCreditCommitmentsLiability110.51067.758.7113.7112.4243.3200.6290.4613.0379.6

brkl:WeightedAverageRateDeposits

brkl:WeightedAverageRateDeposits


Weighted
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-31
Value0.440.01170.00920.00550.00440.00430.00440.00470.00580.00840.011
Percentage of WeightedAverageRateDeposits100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

brkl:WeightedAverageRateTransactionDeposits

brkl:WeightedAverageRateTransactionDeposits