COLB


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

Table of contents



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

us-gaap:CommonStockSharesIssued

us-gaap:CommonStockSharesAuthorized

us-gaap:PreferredStockSharesAuthorized

us-gaap:CommonStockSharesOutstanding

us-gaap:WeightedAverageNumberOfDilutedSharesOutstanding

us-gaap:WeightedAverageNumberOfSharesOutstandingBasic

us-gaap:AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount

us-gaap:EarningsPerShareBasic

us-gaap:EarningsPerShareDiluted

us-gaap:ComprehensiveIncomeNetOfTax

us-gaap:GainLossOnInvestments

us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments
us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncome, us-gaap:StatementEquityComponents

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

us-gaap:IncomeTaxesPaid

us-gaap:IncomeTaxesPaidNet

us-gaap:InterestAndFeeIncomeLoansAndLeases

us-gaap:InterestExpense

us-gaap:InterestIncomeExpenseNet
us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncome, us-gaap:StatementEquityComponents

us-gaap:InterestPaidNet

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

us-gaap:OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationAndTax

us-gaap:OtherComprehensiveIncomeLossNetOfTax
us-gaap:StatementEquityComponents

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:CashAndCashEquivalentsAtCarryingValue
us-gaap:ConsolidatedEntities

us-gaap:PropertyPlantAndEquipmentGross
us-gaap:PropertyPlantAndEquipmentByType

us-gaap:AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment

us-gaap:AmortizationOfIntangibleAssets
us-gaap:FiniteLivedIntangibleAssetsByMajorClass

us-gaap:PropertyPlantAndEquipmentNet
us-gaap:FinancialInstrument

us-gaap:Goodwill

us-gaap:IndefiniteLivedIntangibleAssetsExcludingGoodwill

us-gaap:IntangibleAssetsNetExcludingGoodwill

us-gaap:FiniteLivedIntangibleAssetsNet
us-gaap:FiniteLivedIntangibleAssetsByMajorClass
us-gaap:BalanceSheetLocation
us-gaap:OperatingLeaseRightOfUseAsset

us-gaap:OtherAssets
us-gaap:ConsolidatedEntities

us-gaap:TimeDepositMaturitiesYearOne

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearTwo

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearThree

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearFour

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearFive

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFive
us-gaap:BalanceSheetLocation
us-gaap:OperatingLeaseLiability

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDue

us-gaap:LesseeOperatingLeaseLiabilityUndiscountedExcessAmount

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

us-gaap:CommonStockValue

us-gaap:RetainedEarningsAccumulatedDeficit

us-gaap:AccumulatedOtherComprehensiveIncomeLossNetOfTax
us-gaap:StatementEquityComponents

us-gaap:TreasuryStockValue

us-gaap:NetCashProvidedByUsedInOperatingActivities

us-gaap:NetCashProvidedByUsedInInvestingActivities

us-gaap:NetCashProvidedByUsedInFinancingActivities

us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect

us-gaap:NetCashProvidedByUsedInOperatingActivities

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

us-gaap:ShareBasedCompensation

us-gaap:NetCashProvidedByUsedInInvestingActivities

us-gaap:PaymentsToAcquirePropertyPlantAndEquipment

us-gaap:NetCashProvidedByUsedInFinancingActivities

us-gaap:PaymentsOfDividendsCommonStock

us-gaap:PaymentsForRepurchaseOfCommonStock

us-gaap:DeferredTaxLiabilities

colb:AllowanceForLoanAndLeaseLossesNetChangesInUnfundedCommitmentsAndLettersOfCreditAllowance

colb:BasicEarningsAllocatedToCommonShareholders

colb:Cardrevenue

colb:Changeindividendspayableonunvestedshares

colb:Depositaccountandtreasurymanagementfees

colb:DilutedEarningsAllocatedToCommonShareholders

colb:Earningsallocatedtoparticipatingsecuritiesnonvestedrestrictedshares
us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementFrequency, us-gaap:FinancialInstrument
colb:FairValueNetDerivativeAssetLiabilityMeasuredOnRecurringBasisWithUnobservedInputsReconciliationSalesAndSettlements

colb:Financialservicesandtrustrevenue

colb:FinancingReceivableAccruedInterestReversedThroughInterestIncome
us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable

colb:GainOnTerminationOfInterestRateCollar
us-gaap:SubsequentEventType

colb:Gainonbankownedlifeinsurancedeathbenefit

colb:LoanModificationsShortTermDefermentsNotClassifiedAsTDRNetOfUnearnedIncome

colb:Loanrevenue

colb:Netcostbenefitofoperationofotherrealestateowned

colb:NetgainlossonsaleandvaluationadjustmentsofOREO

colb:Noninterestincomeexcludingrevenuefromcontractswithcustomers

colb:RealEstateAcquiredThroughForeclosureTransfersInNetOfWriteDowns

colb:Revenuefromcontractswithcustomers
us-gaap:FinancialInstrument
colb:SecuritiesTransferFromAFSToHTMFairValue

colb:StockAdjustmentValueDeferredCompensation
us-gaap:StatementEquityComponents

colb:TaxesLicensesAndFees

colb:TransferOtherRealEstateWriteDown
us-gaap:FinancialInstrument
colb:UnrealizedGainOnAFSSecuritiesTransferredToHTMNetOfTax

us-gaap:AdvertisingExpense

us-gaap:AvailableForSaleSecuritiesGrossRealizedGainLossNet
us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncome, us-gaap:StatementEquityComponents

us-gaap:AvailableForSaleSecuritiesGrossRealizedGains

us-gaap:AvailableForSaleSecuritiesGrossRealizedLosses

us-gaap:BankOwnedLifeInsuranceIncome

us-gaap:CapitalExpendituresIncurredButNotYetPaid

us-gaap:CommonStockDividendsPerShareCashPaid

us-gaap:CommonStockDividendsPerShareDeclared
us-gaap:SubsequentEventType

us-gaap:CommunicationsAndInformationTechnology

us-gaap:DepreciationAmortizationAndAccretionNet

us-gaap:DividendsCommonStockCash
us-gaap:StatementEquityComponents

us-gaap:EquitySecuritiesFvNiGainLoss

us-gaap:EquitySecuritiesFvNiRealizedGainLoss

us-gaap:EquitySecuritiesFvNiUnrealizedGainLoss

us-gaap:EquitySecuritiesWithoutReadilyDeterminableFairValueUpwardPriceAdjustmentAnnualAmount
us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementFrequency, us-gaap:FinancialInstrument
us-gaap:FairValueNetDerivativeAssetLiabilityMeasuredOnRecurringBasisUnobservableInputsReconciliationGainLossIncludedInEarnings

us-gaap:FairValueOptionChangesInFairValueGainLoss1
us-gaap:FairValueByMeasurementFrequency, us-gaap:FinancialInstrument

us-gaap:FederalDepositInsuranceCorporationPremiumExpense

us-gaap:FinancingReceivableAllowanceForCreditLossesPeriodIncreaseDecrease

us-gaap:FinancingReceivableAllowanceForCreditLossesRecovery
us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable

us-gaap:FinancingReceivableAllowanceForCreditLossesWriteOffs
us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable

us-gaap:FinancingReceivableModificationsNumberOfContracts2
us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable

us-gaap:FinancingReceivableModificationsPostModificationRecordedInvestment2
us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable

us-gaap:FinancingReceivableModificationsPreModificationRecordedInvestment2
us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable
us-gaap:DerivativeInstrumentRisk, us-gaap:FinancialInstrument, us-gaap:HedgingDesignation
us-gaap:GainLossOnDerivativeInstrumentsNetPretax
us-gaap:DerivativeInstrumentRisk, us-gaap:HedgingDesignation
us-gaap:HedgingDesignation

us-gaap:GainLossOnSaleOfOtherAssets

us-gaap:GainsLossesOnSalesOfOtherRealEstate

us-gaap:IncreaseDecreaseInDeposits

us-gaap:IncreaseDecreaseInFederalFundsPurchasedAndSecuritiesSoldUnderAgreementsToRepurchaseNet

us-gaap:IncreaseDecreaseInInterestAndDividendsReceivable

us-gaap:IncreaseDecreaseInInterestPayableNet

us-gaap:IncreaseDecreaseInMortgageLoansHeldForSale

us-gaap:IncreaseDecreaseInOtherOperatingAssets

us-gaap:IncreaseDecreaseInOtherOperatingLiabilities

us-gaap:InterestAndDividendIncomeOperating

us-gaap:InterestExpenseDeposits

us-gaap:InterestExpenseFederalHomeLoanBankAndFederalReserveBankAdvancesLongTerm

us-gaap:InterestExpenseOtherShortTermBorrowings

us-gaap:InterestExpenseSubordinatedNotesAndDebentures

us-gaap:InterestIncomeDepositsWithFinancialInstitutions

us-gaap:InterestIncomeExpenseAfterProvisionForLoanLoss

us-gaap:InterestIncomeSecuritiesTaxExempt

us-gaap:InterestIncomeSecuritiesTaxable
us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncome, us-gaap:StatementEquityComponents
us-gaap:InterestRateCashFlowHedgeGainLossReclassifiedToEarningsNet

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

us-gaap:NoninterestExpense

us-gaap:NoninterestIncome

us-gaap:NoninterestIncomeOther

us-gaap:OccupancyNet

us-gaap:OciDebtSecuritiesAvailableForSaleTransferToHeldToMaturityAdjustmentFromAociForAmortizationOfGainLossAfterTax

us-gaap:OciDebtSecuritiesAvailableForSaleTransferToHeldToMaturityAdjustmentFromAociForAmortizationOfGainLossTax

us-gaap:OtherComprehensiveIncomeLossAmortizationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetPriorServiceCostCreditNetOfTax

us-gaap:OtherComprehensiveIncomeLossAmortizationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetPriorServiceCostCreditTax

us-gaap:OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax

us-gaap:OtherComprehensiveIncomeLossBeforeReclassificationsNetOfTax
us-gaap:StatementEquityComponents

us-gaap:OtherComprehensiveIncomeLossCashFlowHedgeGainLossBeforeReclassificationAfterTax

us-gaap:OtherComprehensiveIncomeLossCashFlowHedgeGainLossBeforeReclassificationTax

us-gaap:OtherComprehensiveIncomeLossCashFlowHedgeGainLossReclassificationAfterTax

us-gaap:OtherComprehensiveIncomeLossCashFlowHedgeGainLossReclassificationBeforeTax

us-gaap:OtherComprehensiveIncomeLossCashFlowHedgeGainLossReclassificationTax

us-gaap:OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent
us-gaap:StatementEquityComponents

us-gaap:OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax

us-gaap:OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesNetOfTax

us-gaap:OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesTax

us-gaap:OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax

us-gaap:OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodTax

us-gaap:OtherNoninterestExpense

us-gaap:PaymentsForFederalHomeLoanBankAdvances

us-gaap:PaymentsForOriginationAndPurchasesOfLoansHeldForSale

us-gaap:PaymentsForProceedsFromLoansAndLeases

us-gaap:PaymentsRelatedToTaxWithholdingForShareBasedCompensation

us-gaap:PaymentsToAcquireAvailableForSaleSecurities

us-gaap:PaymentsToAcquireFederalHomeLoanBankStock

us-gaap:PaymentsToAcquireLoansReceivable

us-gaap:ProceedsFromFederalHomeLoanBankAdvances

us-gaap:ProceedsFromFederalHomeLoanBankBorrowings

us-gaap:ProceedsFromLifeInsurancePolicies

us-gaap:ProceedsFromMaturitiesPrepaymentsAndCallsOfAvailableForSaleSecurities

us-gaap:ProceedsFromOtherDebt

us-gaap:ProceedsFromSaleOfAvailableForSaleSecuritiesDebt

us-gaap:ProceedsFromSaleOfAvailableForSaleSecuritiesEquity

us-gaap:ProceedsFromSaleOfFederalHomeLoanBankStock

us-gaap:ProceedsFromSaleOfForeclosedAssets

us-gaap:ProceedsFromSaleOfLoansHeldForSale

us-gaap:ProceedsFromSaleOfWhollyOwnedRealEstateAndRealEstateAcquiredInSettlementOfLoans

us-gaap:ProceedsFromSalesOfAssetsInvestingActivities

us-gaap:ProceedsFromStockOptionsExercised

us-gaap:ProfessionalFees

us-gaap:ProvisionForLoanAndLeaseLosses
us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable

us-gaap:ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax
us-gaap:StatementEquityComponents

us-gaap:RepaymentsOfFederalHomeLoanBankBorrowings
us-gaap:StatementEquityComponents
us-gaap:StockIssuedDuringPeriodSharesRestrictedStockAwardNetOfForfeitures
us-gaap:StatementEquityComponents
us-gaap:StockIssuedDuringPeriodSharesStockOptionsExercised

us-gaap:StockIssuedDuringPeriodValueRestrictedStockAwardNetOfForfeitures
us-gaap:StatementEquityComponents

us-gaap:StockIssuedDuringPeriodValueStockOptionsExercised
us-gaap:StatementEquityComponents
us-gaap:StatementEquityComponents
us-gaap:StockRepurchasedAndRetiredDuringPeriodShares

us-gaap:StockRepurchasedAndRetiredDuringPeriodValue
us-gaap:StatementEquityComponents

us-gaap:TransferToOtherRealEstate

us-gaap:TreasuryStockAcquiredAverageCostPerShare

us-gaap:TreasuryStockSharesAcquired
us-gaap:StatementEquityComponents

us-gaap:TreasuryStockValueAcquiredCostMethod
us-gaap:StatementEquityComponents

us-gaap:UnrealizedGainLossOnInterestRateCashFlowHedgesPretaxAccumulatedOtherComprehensiveIncomeLoss

us-gaap:WeightedAverageNumberDilutedSharesOutstandingAdjustment

colb:AllowanceForUnfundedLoanCommitmentsAndLettersOfCredit
us-gaap:AssetsSoldUnderAgreementsToRepurchase, us-gaap:DebtInstrument
colb:AssetsSoldunderAgreementstoRepurchaseSweepCarryingAmount
us-gaap:AssetsSoldUnderAgreementsToRepurchase, us-gaap:DebtInstrument
colb:AssetsSoldunderAgreementstoRepurchaseSweepInterestrate
us-gaap:AssetsSoldUnderAgreementsToRepurchase
colb:AssetsSoldunderAgreementstoRepurchaseTermCarryingAmount
us-gaap:AssetsSoldUnderAgreementsToRepurchase
colb:AssetsSoldunderAgreementstoRepurchaseTermInterestrate

colb:AvailableforsaleSecuritiesContinuousUnrealizedLossPosition12MonthsorLongerAggregateLossinstant
us-gaap:FinancialInstrument

colb:AvailableforsaleSecuritiesContinuousUnrealizedLossPositionLessthan12MonthsAggregateLossInstant
us-gaap:FinancialInstrument

colb:BrokeredMoneyMarketAccounts

colb:CapitalRequiredforCapitalAdequacypluscapitalconservationbufferfullyphasedin
dei:LegalEntity

colb:CertificatesOfDeposit250000OrMore

colb:CertificatesOfDepositInsuredByCdars

colb:CertificatesOfDepositLessThan250000
us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementFrequency
colb:CollateraldependentloansFairValue
us-gaap:FairValueByMeasurementFrequency
us-gaap:Range, us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementFrequency, us-gaap:ValuationTechnique
colb:CollateraldependentloansMeasurementInput
dei:LegalEntity
colb:CommonEquityTier1RiskBasedCapitalRequiredtobeWellCapitalizedtoRiskWeightedAssets

colb:CommonEquityTierOneCapitalRequiredforCapitalAdequacyminimumrequiredplusfullyphasedincapitalconservationbuffer
dei:LegalEntity
dei:LegalEntity
colb:CommonEquityTierOneRiskBasedCapitalRequiredtobeWellCapitalized

colb:DeferredTaxAssetOtherRealEstateOwnedCosts

colb:DeferredTaxAssetsLeasingArrangements

colb:DeferredTaxLiabilitesUnrealizedGainsOnEquitySecurities

colb:DeferredTaxLiabilitiesAssetPurchaseTaxBasisDifference

colb:DeferredTaxLiabilitiesStockDividends

colb:Deferredtaxliabilitiespurchaseaccounting

colb:Deferredtaxliabilitiesunrealizedgainsonavailableforsalesecurities
colb:EmployeeBenefit
colb:DefinedBenefitPlanExpectedFutureBenefitPayments

colb:DepositsBeforeValuationAdjustment

colb:FHLBmembershipstockpurchaserequirementcap

colb:FairValueFVOptionAggregateUnpaidBalanceLoansAndLongTermReceivables

colb:FairValueLoansHeldForSaleMandatoryDeliveryMethodFVOption

colb:FederalHomeLoanBankAdvancesMaturitiesSummaryAverageInterestRateAfterTenYearsFromBalanceSheetDate

colb:FederalHomeLoanBankAdvancesMaturitiesSummaryAverageInterestRateOneToFiveYearsFromBalanceSheetDate

colb:FederalHomeLoanBankAdvancesMaturitiesSummaryByInterestRateTypeFixedRateAfterTenYears

colb:FederalHomeLoanBankAdvancesMaturitiesSummaryByInterestRateTypeFixedRateBeforeValuationAdjustment

colb:FederalHomeLoanBankFixedRateAdvancesValuationAdjustmentFromAcquisitionAccounting

colb:FederalHomeLoanBankstockparvalue

colb:FederalReserveBankAdvancesMaximumAmountAvailable

colb:Federaloperatinglosscarryforwardssettobegintoexpirein2024

colb:FinancingReceivableModificationsAdditionalCommitmentToLend

colb:FinancingReceivableRevolvingConvertedtoTermLoans
us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable
us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable, us-gaap:InternalCreditAssessment

colb:GoodwillAndIntangibleAssetsTotal

colb:Idahostateoperatinglosscarryforwardssettobegintoexpirein2024
us-gaap:Range, us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FinancialInstrument, us-gaap:MeasurementInputType, us-gaap:ValuationTechnique
colb:InterestRateDerivativeAssetMeasurementInput

colb:Interestbearingpublicfundsotherthancertificatesofdeposit
us-gaap:FinancialInstrument
colb:LoanspledgedtocollateralizeFederalHomeLoanBankAdvances
us-gaap:FinancialInstrument
colb:LoanspledgedtocollateralizeFederalReserveBankBorrowings

colb:NumberOfBranchLocations
us-gaap:StatementGeographical

colb:Oregonstateoperatinglosscarryforwardssettobegintoexpirein2024
us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementFrequency
colb:OtherRealEstateOwnedFairValueDisclosure
us-gaap:FairValueByMeasurementFrequency

colb:Otherbrokeredcertificatesofdeposit

colb:PaycheckProtectionProgramPPPloansnetofunearnedincome

colb:Repurchaseagreementsnetamountpresentedinstatementoffinancialposition

colb:TierOneRiskBasedCapitalRequiredforCapitalAdequacypluscapitalconservationbufferfullyphasedin
dei:LegalEntity

colb:VisaClassBsharesremainingshares

dei:EntityCommonStockSharesOutstanding

us-gaap:AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedGainBeforeTax
us-gaap:FinancialInstrument

us-gaap:AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedLossBeforeTax
us-gaap:FinancialInstrument

us-gaap:AvailableForSaleDebtSecuritiesAmortizedCostBasis
us-gaap:FinancialInstrument
us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementFrequency
us-gaap:AvailableForSaleSecurities
us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementFrequency, us-gaap:FinancialInstrument
us-gaap:FairValueByMeasurementFrequency
us-gaap:FairValueByMeasurementFrequency, us-gaap:FinancialInstrument

us-gaap:AvailableForSaleSecuritiesContinuousUnrealizedLossPositionAccumulatedLoss
us-gaap:FinancialInstrument

us-gaap:AvailableForSaleSecuritiesContinuousUnrealizedLossPositionFairValue
us-gaap:FinancialInstrument

us-gaap:AvailableForSaleSecuritiesContinuousUnrealizedLossPositionLessThanTwelveMonthsFairValue
us-gaap:FinancialInstrument

us-gaap:AvailableForSaleSecuritiesContinuousUnrealizedLossPositionTwelveMonthsOrLongerFairValue
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:FairValueByMeasurementBasis
us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementFrequency
us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementFrequency, us-gaap:FinancialInstrument
us-gaap:FairValueByMeasurementBasis
us-gaap:FairValueByMeasurementFrequency
us-gaap:FairValueByMeasurementFrequency, us-gaap:FinancialInstrument
us-gaap:FinancialInstrument
us-gaap:FinancialInstrument
us-gaap:AvailableforsaleSecuritiesInUnrealizedLossPositionsQualitativeDisclosureNumberOfPositions1

us-gaap:Capital
dei:LegalEntity

us-gaap:CapitalRequiredForCapitalAdequacy
dei:LegalEntity
dei:LegalEntity
us-gaap:CapitalRequiredToBeWellCapitalized
dei:LegalEntity
us-gaap:CapitalRequiredToBeWellCapitalizedToRiskWeightedAssets
us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementBasis
us-gaap:CashAndCashEquivalentsFairValueDisclosure
us-gaap:FairValueByMeasurementBasis

us-gaap:CashAndDueFromBanks
us-gaap:ConsolidatedEntities
us-gaap:LossContingenciesByNatureOfContingency
us-gaap:CommitmentsAndContingencies

us-gaap:CommonEquityTierOneCapital
dei:LegalEntity

us-gaap:CommonEquityTierOneCapitalRequiredForCapitalAdequacy
dei:LegalEntity

us-gaap:DebtSecuritiesAvailableForSaleRestricted
colb:SecuritiesPledgedAsCollateral

us-gaap:DebtSecuritiesHeldToMaturityAmortizedCostAfterAllowanceForCreditLoss
us-gaap:FairValueByMeasurementBasis
us-gaap:FinancialInstrument
colb:EmployeeBenefit
us-gaap:DeferredCompensationArrangementWithIndividualRecordedLiability

us-gaap:DeferredIncomeTaxLiabilities

us-gaap:DeferredTaxAssetsGross

us-gaap:DeferredTaxAssetsOperatingLossCarryforwards

us-gaap:DeferredTaxAssetsOther

us-gaap:DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsPostretirementBenefits

us-gaap:DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsShareBasedCompensationCost

us-gaap:DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsAllowanceForDoubtfulAccounts

us-gaap:DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsProvisionForLoanLosses

us-gaap:DeferredTaxLiabilitiesDeferredExpenseDeferredFinancingCosts

us-gaap:DeferredTaxLiabilitiesDerivatives

us-gaap:DeferredTaxLiabilitiesLeasingArrangements

us-gaap:DeferredTaxLiabilitiesOther

us-gaap:DeferredTaxLiabilitiesPropertyPlantAndEquipment
colb:EmployeeBenefit
us-gaap:DefinedBenefitPlanAssumptionsUsedCalculatingBenefitObligationDiscountRate

us-gaap:DefinedBenefitPlanBenefitObligation
colb:EmployeeBenefit
us-gaap:DefinedBenefitPlanExpectedFutureBenefitPaymentsFiveFiscalYearsThereafter
colb:EmployeeBenefit
us-gaap:DefinedBenefitPlanExpectedFutureBenefitPaymentsNextTwelveMonths
colb:EmployeeBenefit
us-gaap:DefinedBenefitPlanExpectedFutureBenefitPaymentsYearFive
colb:EmployeeBenefit
us-gaap:DefinedBenefitPlanExpectedFutureBenefitPaymentsYearFour
colb:EmployeeBenefit
us-gaap:DefinedBenefitPlanExpectedFutureBenefitPaymentsYearThree
colb:EmployeeBenefit
us-gaap:DefinedBenefitPlanExpectedFutureBenefitPaymentsYearTwo

us-gaap:DepositLiabilitiesReclassifiedAsLoansReceivable1

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

us-gaap:DepositsMoneyMarketDeposits

us-gaap:DepositsSavingsDeposits
us-gaap:DerivativeInstrumentRisk
us-gaap:DerivativeAssets
us-gaap:DerivativeInstrumentRisk
us-gaap:DerivativeCollateralObligationToReturnCash
us-gaap:DerivativeInstrumentRisk
us-gaap:DerivativeCollateralRightToReclaimCash
us-gaap:DerivativeInstrumentRisk
us-gaap:DerivativeCollateralRightToReclaimSecurities
us-gaap:BalanceSheetLocation, us-gaap:DerivativeInstrumentRisk, us-gaap:FinancialInstrument, us-gaap:HedgingDesignation
us-gaap:DerivativeFairValueOfDerivativeAsset
us-gaap:BalanceSheetLocation, us-gaap:DerivativeInstrumentRisk, us-gaap:HedgingDesignation
us-gaap:DerivativeInstrumentRisk, us-gaap:HedgingDesignation
us-gaap:DerivativeInstrumentRisk
us-gaap:DerivativeFairValueOfDerivativeAssetAmountNotOffsetAgainstCollateral
us-gaap:BalanceSheetLocation, us-gaap:DerivativeInstrumentRisk, us-gaap:FinancialInstrument, us-gaap:HedgingDesignation
us-gaap:DerivativeFairValueOfDerivativeLiability
us-gaap:BalanceSheetLocation, us-gaap:DerivativeInstrumentRisk, us-gaap:HedgingDesignation
us-gaap:DerivativeInstrumentRisk, us-gaap:HedgingDesignation
us-gaap:DerivativeInstrumentRisk
us-gaap:DerivativeFairValueOfDerivativeLiabilityAmountNotOffsetAgainstCollateral
us-gaap:DerivativeInstrumentRisk
us-gaap:DerivativeLiabilities
us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementFrequency, us-gaap:FinancialInstrument
us-gaap:FairValueByMeasurementFrequency, us-gaap:FinancialInstrument
us-gaap:DerivativeInstrumentRisk, us-gaap:HedgingDesignation
us-gaap:DerivativeNotionalAmount

us-gaap:EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized
us-gaap:ConsolidatedEntities, us-gaap:ScheduleOfEquityMethodInvestmentEquityMethodInvesteeName
us-gaap:EquityMethodInvestments

us-gaap:EquitySecuritiesWithoutReadilyDeterminableFairValueAmount
us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementFrequency
us-gaap:FinancialInstrument
us-gaap:FairValueDisclosureOffbalanceSheetRisksAmountLiability
us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementBasis
us-gaap:FairValueLiabilitiesMeasuredOnRecurringBasisSubordinatedDebtObligations
us-gaap:FairValueByMeasurementBasis
us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementFrequency, us-gaap:FinancialInstrument
us-gaap:FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetValue

us-gaap:FairValueOptionAggregateDifferencesLoansAndLongTermReceivables

us-gaap:FederalHomeLoanBankAdvancesActivityForYearAverageInterestRateAtPeriodEnd

us-gaap:FederalHomeLoanBankAdvancesActivityForYearMaximumOutstandingAtAnyMonthEnd
us-gaap:FinancialInstrument
us-gaap:FederalHomeLoanBankAdvancesGeneralDebtObligationsDisclosuresCollateralPledged1

us-gaap:FederalHomeLoanBankAdvancesGeneralDebtObligationsDisclosuresMaximumAmountAvailable

us-gaap:FederalHomeLoanBankAdvancesLongTerm

us-gaap:FederalHomeLoanBankAdvancesMaturitiesSummaryByInterestRateTypeFixedRate

us-gaap:FederalHomeLoanBankAdvancesMaturitiesSummaryByInterestRateTypeFixedRateOneToFiveYears
us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementBasis
us-gaap:FederalHomeLoanBankBorrowingsFairValueDisclosure
us-gaap:FairValueByMeasurementBasis

us-gaap:FederalHomeLoanBankStock

us-gaap:FinancingReceivableAllowanceForCreditLosses
us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable

us-gaap:FinancingReceivableNonaccrualNoAllowance
us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable

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

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

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

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

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

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

us-gaap:FinancingReceivableRecordedInvestmentCurrent
us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable

us-gaap:FinancingReceivableRecordedInvestmentNonaccrualStatus
us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable

us-gaap:FinancingReceivableRecordedInvestmentPastDue

us-gaap:FinancingReceivableRevolving
us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable
us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable, us-gaap:InternalCreditAssessment
us-gaap:FiniteLivedIntangibleAssetsByMajorClass
us-gaap:FiniteLivedIntangibleAssetsAccumulatedAmortization

us-gaap:FiniteLivedIntangibleAssetsAmortizationExpenseNextTwelveMonths

us-gaap:FiniteLivedIntangibleAssetsAmortizationExpenseYearFive

us-gaap:FiniteLivedIntangibleAssetsAmortizationExpenseYearFour

us-gaap:FiniteLivedIntangibleAssetsAmortizationExpenseYearThree

us-gaap:FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo
us-gaap:FiniteLivedIntangibleAssetsByMajorClass
us-gaap:FiniteLivedIntangibleAssetsGross

us-gaap:HeldToMaturitySecuritiesAccumulatedUnrecognizedHoldingGain
us-gaap:FinancialInstrument

us-gaap:HeldToMaturitySecuritiesAccumulatedUnrecognizedHoldingLoss
us-gaap:FinancialInstrument

us-gaap:HeldToMaturitySecuritiesDebtMaturitiesAfterFiveThroughTenYearsFairValue

us-gaap:HeldToMaturitySecuritiesDebtMaturitiesAfterFiveThroughTenYearsNetCarryingAmount

us-gaap:HeldToMaturitySecuritiesDebtMaturitiesAfterOneThroughFiveYearsFairValue

us-gaap:HeldToMaturitySecuritiesDebtMaturitiesAfterOneThroughFiveYearsNetCarryingAmount

us-gaap:HeldToMaturitySecuritiesDebtMaturitiesAfterTenYearsFairValue

us-gaap:HeldToMaturitySecuritiesDebtMaturitiesAfterTenYearsNetCarryingAmount

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

us-gaap:InterestBearingDepositLiabilities

us-gaap:InterestBearingDepositsInBanks
us-gaap:ConsolidatedEntities
us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementBasis
us-gaap:FairValueByMeasurementBasis

us-gaap:InterestBearingDomesticDepositDemand
us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementBasis
us-gaap:InterestRateCashFlowHedgeAssetAtFairValue
us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementFrequency
us-gaap:FairValueByMeasurementBasis
us-gaap:FairValueByMeasurementFrequency

us-gaap:InterestRateCashFlowHedgeGainLossToBeReclassifiedDuringNext12MonthsNet
us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementBasis
us-gaap:InterestRateDerivativeAssetsAtFairValue
us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementBasis, us-gaap:FinancialInstrument
us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementFrequency
us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementFrequency, us-gaap:FinancialInstrument
us-gaap:FairValueByMeasurementBasis
us-gaap:FairValueByMeasurementBasis, us-gaap:FinancialInstrument
us-gaap:FairValueByMeasurementFrequency
us-gaap:FairValueByMeasurementFrequency, us-gaap:FinancialInstrument
us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementBasis
us-gaap:InterestRateDerivativeLiabilitiesAtFairValue
us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementBasis, us-gaap:FinancialInstrument
us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementFrequency
us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementFrequency, us-gaap:FinancialInstrument
us-gaap:FairValueByMeasurementBasis
us-gaap:FairValueByMeasurementBasis, us-gaap:FinancialInstrument
us-gaap:FairValueByMeasurementFrequency
us-gaap:FairValueByMeasurementFrequency, us-gaap:FinancialInstrument

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

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueNextTwelveMonths

us-gaap:LoansAndLeasesReceivableNetOfDeferredIncome
us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable
us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable, us-gaap:InternalCreditAssessment

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

us-gaap:LoansReceivableHeldForSaleNetNotPartOfDisposalGroup

us-gaap:MortgageLoansInProcessOfForeclosureAmount

us-gaap:NoninterestBearingDepositLiabilities

us-gaap:NoninterestBearingDepositLiabilitiesDomestic

us-gaap:NotesReceivableGross
us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable
us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable, us-gaap:FinancingReceivablesPeriodPastDue
us-gaap:FinancingReceivablesPeriodPastDue

us-gaap:OperatingLeaseWeightedAverageDiscountRatePercent

us-gaap:OtherLiabilities
us-gaap:ConsolidatedEntities
us-gaap:DebtInstrument
us-gaap:PledgedFinancialInstrumentsNotSeparatelyReportedSecuritiesForRepurchaseAgreements

us-gaap:RealEstateAcquiredThroughForeclosure
us-gaap:RestrictedCashAndCashEquivalentsCashAndCashEquivalents
us-gaap:RestrictedCashAndCashEquivalents

us-gaap:SecuredBorrowingsGrossIncludingNotSubjectToMasterNettingArrangement
us-gaap:AssetsSoldUnderAgreementsToRepurchaseMaturityPeriods, us-gaap:FinancialInstrument
us-gaap:FinancialInstrument
us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementBasis
us-gaap:SecuritiesLoanedOrSoldUnderAgreementsToRepurchaseFairValueDisclosure
us-gaap:FairValueByMeasurementBasis

us-gaap:SecuritiesSoldUnderAgreementsToRepurchase

us-gaap:SecuritiesSoldUnderAgreementsToRepurchaseCollateralRightToReclaimSecurities
us-gaap:AssetsSoldUnderAgreementsToRepurchase
us-gaap:SecuritiesSoldUnderAgreementsToRepurchaseGross
us-gaap:AwardType
us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue

us-gaap:StockRepurchaseProgramAuthorizedAmount1
us-gaap:SubsequentEventType

us-gaap:StockRepurchaseProgramNumberOfSharesAuthorizedToBeRepurchased
us-gaap:SubsequentEventType

us-gaap:StockRepurchaseProgramRemainingNumberOfSharesAuthorizedToBeRepurchased

us-gaap:SubordinatedDebt
us-gaap:ConsolidatedEntities

us-gaap:TierOneLeverageCapital
dei:LegalEntity

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

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

us-gaap:TimeDepositMaturitiesAfterYearFive

us-gaap:TimeDepositMaturitiesYearFive

us-gaap:TimeDepositMaturitiesYearFour

us-gaap:TimeDepositMaturitiesYearThree

us-gaap:TimeDepositMaturitiesYearTwo

us-gaap:TimeDeposits

us-gaap:TreasuryStockShares

Plots across concepts


IncomeStatement
Other Comprehensive Income Loss Net Of Tax
Expenses
Interest Expense
Balance Sheet
Intangible Assets Net Excluding Goodwill
Assets
Property Plant And Equipment Net
Current Assets
Cash And Cash Equivalents At Carrying Value
NonCurrent Assets
Intangible Assets Net Excluding Goodwill
PropertyPlantAndEquipmentNet
Accumulated Depreciation Depletion And Amortization Property Plant And Equipment
Liabilities
Other Liabilities
Stockholders Equity
Treasury Stock Value
Per Share
Common Stock Dividends Per Share Cash Paid
CashFlow
Net Cash Provided By Used In Investing Activities
NetCashProvidedByUsedInOperatingActivities
Share Based Compensation
NetCashProvidedByUsedInInvestingActivities
Net Cash Provided By Used In Investing Activities
NetCashProvidedByUsedInFinancingActivities
Payments For Repurchase Of Common Stock
Shares
Treasury Stock Shares
DividendsAndRepurchase
Payments For Repurchase Of Common Stock
LesseeOperatingLeaseLiabilityPaymentsDue
Lessee Operating Lease Liability Undiscounted Excess Amount
BanksAndOrInsurance
Securities Sold Under Agreements To Repurchase
AssetsBanks
Financing Receivable Allowance For Credit Losses
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 ███████████████▄▄▄▄▄▄▄▄▄▄▄▄▃▃▃▃▃▃▁▁▁▁▁▁▁▁▁▁1664.9531661.1291660.9981658.2031654.1291651.3991650.7531648.3351644.9221642.9771642.2461640.141636.9031634.9161634.7051003.8871001.292999.702995.837994.098992.343991.026990.281989.088987.32986.348985.839862.912861.609861.125860.562858.596857.615582.348581.471581.001580.358579.894579.136578.828578.046577.588576.905NANANA
 us-gaap:SharesOutstanding us-gaap:StatementEquityComponents us-gaap:CommonStock▂▂▁▁▁▁▃▄▆█▇▇▇▇▆71.74271.73971.59871.61371.58671.57572.12472.28872.92473.56573.24973.2673.24573.2473.02NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:SharesIssued us-gaap:StatementEquityComponents us-gaap:CommonStockNANA71.598NANANA72.124NANA73.56573.24973.2673.24573.2473.0258.37658.35358.32958.04258.04358.02558.00857.72457.72957.70957.69957.43752.64952.63552.651.26551.27151.23739.84439.68639.68939.65539.6739.50639.50239.47539.48139.33839.32839.30428.242
us-gaap:CommonStockSharesIssued ███████████████▅▅▅▅▅▅▅▅▅▅▅▅▄▄▄▃▃▃▁▁▁▁▁▁73.92673.92373.78273.79773.7773.75973.57773.58873.54873.56573.24973.2673.24573.2473.0258.37658.35358.32958.04258.04358.02558.00857.72457.72957.70957.69957.43752.64952.63552.651.26551.27151.23739.84439.68639.68939.65539.6739.506NANANA39.338NANANA
us-gaap:CommonStockSharesAuthorized █████████████████████████▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁115.0115.0115.0115.0115.0115.0115.0115.0115.0115.0115.0115.0115.0115.0115.0115.0115.0115.0115.0115.0115.0115.0115.0115.0115.063.03363.03363.03363.03363.03363.03363.03363.03363.03363.03363.03363.03363.03363.03363.03363.03363.03363.033NANANA
us-gaap:PreferredStockSharesAuthorized ▄▄▄▄▄▄▄▄▄▄▄2.02.02.02.02.02.02.02.02.02.02.0NANANA2.02.02.02.02.02.02.02.02.02.02.02.02.02.02.02.02.02.02.0NA0.0NANANANANANANANANANANA
us-gaap:CommonStockSharesOutstanding ▂▂▁▁▁▁▄▅█71.74271.73971.59871.61371.58671.57572.12472.28872.924NA73.24973.2673.24573.2473.0258.37658.35358.32958.04258.04358.02558.00857.72457.72957.70957.69957.43752.64952.63552.651.26551.27151.23739.84439.68639.68939.65539.6739.506NANANA39.338NANANA
us-gaap:WeightedAverageNumberOfDilutedSharesOutstanding █▁71.16471.109NA70.76270.71171.264NA71.80372.45172.524NA72.43272.3972.305NA57.57157.52557.394NA57.22557.19557.125NA57.06457.06956.978NA52.51652.49452.433NA52.29752.12539.351NA39.29139.30839.298NA39.19239.16639.156NA39.13735.07728.098
us-gaap:WeightedAverageNumberOfSharesOutstandingBasic █▁70.98770.869NA70.72670.67971.206NA71.80372.45172.521NA72.42772.38572.3NA57.56657.5257.388NA57.21557.18557.114NA57.05157.05556.965NA52.11252.08851.097NA50.83450.78839.348NA39.28939.2639.195NA39.13139.10739.043NA38.97634.82927.886
us-gaap:AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount █▁0.2480.07NA0.5960.5710.006NA0.00.00.0NA0.00.0030.012NA0.0120.0120.014NA0.0150.0190.027NA0.0290.0370.053NA0.0580.0630.083NA0.1380.1430.009NA0.0530.0460.046NA0.0750.0620.054NA0.0620.054NA
us-gaap:EarningsPerShareBasic █▇█▆▅▂▆▇▇▆▆▆▆▆▃▇▅▅▅▅▄▄▅▅▄▄▄▄▄▄▄▃▃▃▄▃▃▂▄▅▂▂▃▁▁▃0.770.730.820.630.520.20.640.70.710.630.610.630.570.550.230.70.470.50.530.470.440.370.460.450.380.420.340.410.40.380.390.260.280.310.340.30.30.220.370.480.220.150.320.060.110.24
us-gaap:EarningsPerShareDiluted █▇█▆▅▂▆▇▇▆▆▆▆▆▃▇▅▅▅▅▄▄▅▅▄▄▄▄▄▄▄▃▃▃▄▃▃▂▄▅▂▂▃▁▁▃0.770.730.820.630.520.20.640.70.710.630.610.630.570.550.230.70.470.50.530.470.440.370.460.450.380.420.340.410.40.370.380.250.280.310.340.30.30.220.370.480.220.150.320.060.110.24
  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:ComprehensiveIncomeNetOfTax ▆▁▆▅▇█▄▆▇▇▇▅▅▄▃▅▅▅▃▄▅▅▄▅▄▅▄▄▅▄▄▄▃▄▃▄▄▄▄▄▄▄▃▄▄▄74.42-52.61462.89441.25880.452111.46821.61268.46195.82884.22279.45232.32733.96113.9053.51841.36433.2135.592-4.78623.17833.87339.8977.61935.81710.44933.02625.03617.52829.8326.84511.13719.278-11.3388.7465.13314.52414.2727.2314.223.87415.1137.7032.1139.7268.42510.985
us-gaap:GainLossOnInvestments 0.314NANA0.016.4250.249NA0.00.2851.847NA-0.062-0.0330.022NA0.00.00.0NANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments ▇▇█▆▅▂▆▇▇▆▆▆▆▅▅▆▄▄▅▄▄▃▄▄▄▄▃▄▃▃▃▂▃▂▂▂▂▂▂▃▂▁▁▁▁▁69.57664.40175.07454.68344.77717.85858.03263.10563.81856.65655.48257.82151.74846.78540.85159.10738.25239.77343.03539.60836.6530.48837.33837.29531.79935.18828.08731.18829.8728.6427.88420.0122.00517.11118.80416.53516.26612.120.41826.11611.3028.10610.3269.1755.7247.85
us-gaap:IncomeTaxExpenseBenefit ▅▅▆▄▄▂▅▅▅▄▄▄▄▃█▆▄▄▅▅▄▄▄▅▄▄▄▄▄▄▄▃▃▃▃▃▃▂▃▃▂▂▁▃▂▂14.53712.54816.7749.9498.1953.2311.90312.37812.09410.78510.73411.4069.9996.81525.12318.33811.1210.57412.31712.12411.2459.22910.59811.5159.85310.8279.1679.6058.6438.7967.9116.7347.4144.9355.3424.6554.3673.1985.6647.2442.672.327-2.2823.9710.668-0.066
us-gaap:IncomeTaxesPaid NANA10.54211.24421.4890.01214.24112.19421.086-0.14611.2999.1473.5970.02421.3714.8222.8810.011.8989.6954.786.3511.46811.7737.2680.01310.03.038.190.016.53310.6324.0895.52.3229.6050.00.010.15512.870.00.03.88NANANA
us-gaap:IncomeTaxesPaidNet █▁28.475-0.001NANA21.4890.012NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:InterestAndFeeIncomeLoansAndLeases ▇▇▇▇▇▇▇██▇▇▇▇▇▆▅▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▂▂▂▃▃▄▃▂▂▁▂▁▁99.712100.315107.402105.739105.496107.366110.384112.656116.585108.416110.01109.748105.412103.02795.88978.64175.57974.1274.54274.95671.65170.31671.35872.24271.74470.82269.83165.90367.00465.54169.29474.12574.83748.02850.55852.654.49861.77766.97459.65544.36247.42936.52344.88238.9436.947
us-gaap:InterestExpense ▂▂▂▂▄▇▆██▆▅▄▃▃▂▁▂▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▂▁▂▂▂▂▂▃▃▃▄▄▄▅1.9852.0482.1842.6584.3818.4758.29210.08310.3067.8665.9134.7793.8753.6632.6171.3741.6251.1410.9971.1861.1631.0040.950.9711.031.0531.1330.9130.9630.9851.0981.1842.2791.2792.3112.2042.4132.6492.7953.6443.9344.1624.5535.115.4166.013
us-gaap:InterestIncomeExpenseNet █▇██▇▇█▇█▇▇▇▇▇▆▅▅▅▅▅▄▄▄▄▄▄▄▄▄▄▄▄▄▂▂▂▃▃▄▃▂▂▁▂▁▁125.462123.994131.112124.726121.851122.422124.817122.45125.116121.022123.888122.796116.674115.481106.22488.92986.16186.67585.73785.57282.1480.1781.81981.69481.0180.36478.76476.2275.12473.9477.20980.41579.98953.48254.89857.26559.70167.06372.12464.78849.37550.44938.81646.96540.73238.274
us-gaap:InterestPaidNet ▂▁▂▂▅▅▆█▇▅▅▃▃▃▂▁▂▁▁▁▁▁▁▁▁▁▁▁▁▁▁▂▁▁▂▂▂▂▂▃▃▃▄▄▄▅2.5291.5532.7182.8386.9256.158.29311.0599.8526.7126.3674.1264.3623.2112.4651.431.5811.151.0071.1961.1821.0590.9561.0021.0561.1320.9820.9540.9690.9991.1322.6750.8361.3192.5662.3032.542.7972.9713.873.6844.4134.7125.2765.736.158
us-gaap:NetIncomeLoss █▇█▆▅▂▆▇▇▆▆▆▆▆▂▆▄▄▄▄▄▃▄▄▃▄▃▃▃▃▃▂▂▂▂▂▂▂▂▃▁▁▂▁▁▁55.03951.85358.344.73436.58214.62846.12950.72751.72445.87144.74846.41541.74939.9715.72840.76927.13229.19930.71827.48425.40521.25926.7425.7821.94624.36118.9221.58321.22719.84419.97313.27614.59112.17613.46211.8811.8998.90214.75418.8728.6325.77912.6085.2045.0567.916
us-gaap:OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationAndTax ▂▂▁▂▃█▁▃▅▄▂▂▂▂-1.998-1.977-2.521-2.1140.93117.255-3.8193.0797.2334.810.00.00.00.0NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:OtherComprehensiveIncomeLossNetOfTax ▅▁▅▅▆█▄▅▆▆▆▄▄▄▄▅▅▅▃▄▅▅▄▅▄▅▅▄▅▅▄▅▄▅▄▅▅▅▅19.381-104.4674.594-3.47643.8796.84-24.51717.73444.10438.35134.704-14.088-7.788-26.065-12.210.5956.0786.393-35.504-4.3068.46818.638-19.12110.037-11.4978.6656.116-4.0558.6037.001-8.8366.002-25.929-3.43-8.3292.6432.374-1.672-0.554NANANANANANANA
  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 ██▇▇▇▆▆▆▅▅▅▅▅▅▅▄▄▄▄▄▄▃▃▃▃▃▃▃▃▃▂▂▂▁▁▁▁▁▁▁▁▁▁18013.47717335.11616584.77916233.42415920.94414038.50314079.52413757.7613090.80813064.43613095.14512956.59612628.58612530.63612716.8869814.5789685.119527.2729509.6079586.7549353.6519035.9328951.6978755.9848518.0198552.9028578.8467466.0817297.4587237.0537161.5827150.2977070.4654905.0114906.3354903.0494789.4134815.4324785.9454755.8324429.1434264.3194256.363NANANA
us-gaap:Liabilities ██▇▇▇▆▆▆▅▅▅▅▅▅▅▄▄▄▄▄▄▃▃▃▃▃▃▃▃▃▂▂▂▁▁▁▁▁▁▁▁▁▁15680.23115060.05314237.17213931.44313644.18911824.90111919.56211596.18310957.1710975.81611061.49610975.20110663.70510582.71310766.9648486.158387.7968251.9298258.5958310.0198079.1727775.1447709.5697501.8487281.8057308.4597350.6716369.876205.3076162.5626108.3336104.56039.7914135.3514142.3274141.0724030.7014062.7294026.6074005.8663701.4633550.2363549.485NANANA
us-gaap:LiabilitiesAndStockholdersEquity ██▇▇▇▆▆▆▅▅▅▅▅▅▅▄▄▄▄▄▄▃▃▃▃▃▃▃▃▃▂▂▂▁▁▁▁▁▁▁▁▁▁18013.47717335.11616584.77916233.42415920.94414038.50314079.52413757.7613090.80813064.43613095.14512956.59612628.58612530.63612716.8869814.5789685.119527.2729509.6079586.7549353.6519035.9328951.6978755.9848518.0198552.9028578.8467466.0817297.4587237.0537161.5827150.2977070.4654905.0114906.3354903.0494789.4134815.4324785.9454755.8324429.1434264.3194256.363NANANA
us-gaap:StockholdersEquity █████▇▇▇▇▇▇▇▇▆▆▄▄▄▄▄▄▄▄▄▄▄▄▃▃▃▃▃▃▂▂▂▂▂▂▂▂▂▂▂▂▁2333.2462275.0632347.6072301.9812276.7552213.6022159.9622161.5772133.6382088.622033.6491981.3951964.8811947.9231949.9221328.4281297.3141275.3431251.0121276.7351274.4791260.7881242.1281254.1361236.2141244.4431228.1751096.2111092.1511074.4911053.2491045.7971030.674769.66764.008761.977758.712752.703759.338749.966727.68714.083706.878704.692775.295538.721
us-gaap:TierOneRiskBasedCapital NANA1390.958NANANA1317.202NANANA1253.394NANANA1165.903NANANA874.688NANANA853.182NANANA817.805NANANA695.489NANANA612.584NANANA598.485NANANA591.263NANANA
 us-gaap:TierOneRiskBasedCapital dei:LegalEntity colb:BankingSubsidiariesNANA1411.834NANANA1318.044NANANA1274.317NANANA1184.476NANANA862.381NANANA839.127NANANA788.531NANANANANANANANANANANANANANANANANANANA
  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 ▆▆▅▇█▁▂▂▂▁▂▂▂▂▂▂▁▁▁▁▁▁▁▁▁▂▁▂▁▁▁▂▁▃▄▄▂▃▂▂▂▃▄▄▃▂831.532884.485653.766930.2451097.693215.756247.673298.605258.659212.073277.587242.162263.539293.656342.533322.694212.048182.821224.238192.064178.388188.931175.302172.188177.703248.601188.17263.448224.462236.789179.561254.752192.709447.945513.926562.592369.813391.457294.289347.462269.499476.328514.13526.089496.948306.471
  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 NANA241.153NANANA243.329NANANA243.095NANANA240.253NANANA214.027NANANA221.401NANANA221.525NANANA205.625NANANA164.863NANANA150.708NANANA131.882NANANA
 us-gaap:PropertyPlantAndEquipmentGross us-gaap:PropertyPlantAndEquipmentByType us-gaap:BuildingNANA107.924NANANA107.371NANANA108.89NANANA110.216NANANA101.196NANANA102.808NANANA103.24NANANA94.878NANANA84.407NANANA78.165NANANA67.373NANANA
 us-gaap:PropertyPlantAndEquipmentGross us-gaap:PropertyPlantAndEquipmentByType us-gaap:ComputerSoftwareIntangibleAssetNANA12.581NANANA15.936NANANA19.358NANANA20.384NANANA18.657NANANA17.294NANANA15.666NANANA17.49NANANA13.783NANANANANANANANANANANA
 us-gaap:PropertyPlantAndEquipmentGross us-gaap:PropertyPlantAndEquipmentByType us-gaap:FurnitureAndFixturesNANA38.679NANANA37.929NANANA32.292NANANA30.486NANANA26.709NANANA28.662NANANA28.486NANANA29.465NANANA24.11NANANA23.097NANANA21.801NANANA
 us-gaap:PropertyPlantAndEquipmentGross us-gaap:PropertyPlantAndEquipmentByType us-gaap:LandNANA51.436NANANA53.124NANANA54.185NANANA54.51NANANA47.438NANANA51.446NANANA52.338NANANA48.992NANANA39.441NANANA34.24NANANA29.368NANANA
 us-gaap:PropertyPlantAndEquipmentGross us-gaap:PropertyPlantAndEquipmentByType us-gaap:LeaseholdImprovementsNANA30.094NANANA28.459NANANA27.859NANANA24.184NANANA19.491NANANA20.604NANANA21.199NANANA14.254NANANA2.684NANANA2.735NANANA2.918NANANA
 us-gaap:PropertyPlantAndEquipmentGross us-gaap:PropertyPlantAndEquipmentByType us-gaap:VehiclesNANA0.439NANANA0.51NANANA0.511NANANA0.473NANANA0.536NANANA0.587NANANA0.596NANANA0.546NANANA0.438NANANA0.428NANANA0.352NANANA
us-gaap:AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment NANA79.094NANANA77.921NANANA74.307NANANA70.763NANANA63.685NANANA57.162NANANA49.435NANANA50.893NANANA46.155NANANA42.809NANANA38.774NANANA
us-gaap:AmortizationOfIntangibleAssets ▄▄▅▅▅▅▆▆▆▇▇███▆▂▂▃▃▃▃▃▄▄▄▄▄▃▃▃▄▄▄▂▂▂▂▂▂▂▁▂▂▂▂▁1.8521.9242.0112.1932.212.312.452.6322.6492.7482.893.073.0883.1882.5471.1881.2491.3491.421.461.4831.5831.6521.6951.7181.8171.7771.4561.481.581.6571.6661.6931.0291.0831.0931.1191.151.2031.1770.9550.9841.0361.0441.0550.787
us-gaap:PropertyPlantAndEquipmentNet ▇▇▇▇▇▇▇▇███████▅▆▆▆▆▇▇▇████▆▇▇▆▇▇▃▃▃▃▃▂▂▂▁▁158.827160.179162.059164.049164.362164.626165.408165.431167.295168.139168.788169.681168.315168.366169.49143.351146.728148.541150.342152.908156.446158.101164.239168.495170.38172.958172.09152.311156.645156.836154.732158.375158.776120.665118.708115.506116.4113.071107.899104.97499.43994.13193.108NANANA
us-gaap:Goodwill ███████████████▄▄▄▄▄▄▄▄▄▄▄▄▃▃▃▃▄▄▁▁▁▁▁▁▁▁▁▁▁▁▁765.842765.842765.842765.842765.842765.842765.842765.842765.842765.842765.842765.842765.842765.842765.842382.762382.762382.762382.762382.762382.762382.762382.762382.762382.537382.537382.537343.952343.952343.952343.952345.231346.373115.554115.554115.554115.554115.554115.554118.434119.343109.639109.639109.639109.639109.639
us-gaap:IndefiniteLivedIntangibleAssetsExcludingGoodwill █████████████████████████████████▁▁▁▁0.9190.9190.9190.9190.9190.9190.9190.9190.9190.9190.9190.9190.9190.9190.9190.9190.9190.9190.9190.9190.9190.9190.9190.9190.9190.9190.9190.9190.9190.9190.9190.9190.9130.00.00.00.0NA0.0NANANANANANANA
us-gaap:IntangibleAssetsNetExcludingGoodwill ▂▃▃▃▄▄▄▅▅▆▆▇▇▇█▁▁▁▂▂▂▂▃▃▃▃▄▂▂▃▃▃▃▁▁▁▂22.95824.8126.73428.74530.93833.14835.45837.90840.5443.18945.93748.82751.89754.98558.17313.84515.03316.28217.63119.05120.51121.99423.57725.22926.92428.64230.45921.33622.79224.27325.85227.50929.1714.69315.72116.80317.896NA20.166NANANANANANANA
us-gaap:FiniteLivedIntangibleAssetsNet NANA26.734NANANA35.458NANANA45.937NANANA58.173NANANA17.631NANANA23.577NANANA30.459NANANA25.852NANA14.69315.72116.80317.89619.01620.16621.36918.60217.71218.69619.73320.77621.831
 us-gaap:FiniteLivedIntangibleAssetsNet us-gaap:FiniteLivedIntangibleAssetsByMajorClass us-gaap:CoreDeposits▂▃▃▃▄▄▄▅▅▆▆▇▇▇█▁▁▁▂▂▂▂▃▃▃▃▄▂▂▃▃▃▃▁▁▂▂▂▂▂▂▂▂22.03923.89125.81527.82630.01932.22934.53936.98939.62142.2745.01847.90850.97854.06657.25412.92614.11415.36316.71218.13219.59221.07522.65824.3126.00527.72329.5420.41721.87323.35424.93326.5928.25714.69315.72116.80317.89619.01620.16621.36918.60217.71218.696NANANA
 us-gaap:OperatingLeaseRightOfUseAsset us-gaap:BalanceSheetLocation us-gaap:OtherAssetsNANA61.863NANANA57.226NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
  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:TimeDepositMaturitiesYearOne NANA263.037NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
  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:LesseeOperatingLeaseLiabilityPaymentsDueYearTwo NANA10.86NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearThree NANA9.612NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearFour NANA8.689NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearFive NANA7.423NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFive NANA27.354NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
  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 █████▇▇▇▇▇▇▇▇▆▆▄▄▄▄▄▄▄▄▄▄▄▄▃▃▃▃▃▃▂▂▂▂▂▂▂▂▂▂▂▂▁2333.2462275.0632347.6072301.9812276.7552213.6022159.9622161.5772133.6382088.622033.6491981.3951964.8811947.9231949.9221328.4281297.3141275.3431251.0121276.7351274.4791260.7881242.1281254.1361236.2141244.4431228.1751096.2111092.1511074.4911053.2491045.7971030.674769.66764.008761.977758.712752.703759.338749.966727.68714.083706.878704.692775.295538.721
us-gaap:CommonStockValue ███████████████▄▄▄▄▄▄▄▄▄▄▄▄▃▃▃▃▃▃▁▁▁▁▁▁▁▁▁▁1664.9531661.1291660.9981658.2031654.1291651.3991650.7531648.3351644.9221642.9771642.2461640.141636.9031634.9161634.7051003.8871001.292999.702995.837994.098992.343991.026990.281989.088987.32986.348985.839862.912861.609861.125860.562858.596857.615582.348581.471581.001580.358579.894579.136578.828578.046577.588576.905NANANA
us-gaap:RetainedEarningsAccumulatedDeficit ██▇▇▆▆▆▆▆▅▅▅▅▄▄▄▃▃▃▃▃▃▃▃▃▃▃▃▂▂▂▂▂▂▂▁▁▁▁▁▁▁▁642.018607.04575.248537.011512.383495.83519.676493.738463.429442.597426.708411.264383.899361.14337.442330.474302.55288.247271.957263.915259.108255.202255.925250.005243.888241.592234.498231.577224.765216.192202.514188.192180.052170.593162.388152.498152.519149.348155.069145.451128.949122.29117.692NANANA
us-gaap:AccumulatedOtherComprehensiveIncomeLossNetOfTax ▆▅███▇▄▅▄▃▂▁▁▂▂▃▃▃▂▃▄▃▃▃▃▃▃▃▃▃▃▃▃▃▄▄▄▄▄▄▄▃▃97.10977.728182.195177.601181.077137.20740.36764.88447.153.046-35.305-70.009-55.921-48.133-22.225-5.933-6.528-12.606-18.99916.50520.81112.343-6.29512.8262.78914.2865.621-0.4953.56-5.043-12.044-3.208-9.2116.71920.14928.47825.83523.46125.13325.68720.68514.20512.281NANANA
us-gaap:TreasuryStockValue ██████▅▄▁70.83470.83470.83470.83470.83470.83450.83445.3821.863NA0.0NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
  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
us-gaap:NetCashProvidedByUsedInOperatingActivities █▇▅▇▂▇▆▆▅▆▇▆█▅▂▅▃▄▃▅▅▃▄▄▄▃▆▃▃▄▂▃▂▁▄▃▄▄▂▃▂▂▅▅▁▃68.3759.07248.52560.6617.74265.36549.93456.30346.03852.47265.95856.78870.9643.49517.34545.39729.80235.98127.36744.82944.34129.3133.88736.25637.65726.95650.41923.83127.85135.51719.8229.96216.17613.67834.61725.89739.00235.38316.2227.68322.86119.6642.65743.2979.7628.422
us-gaap:NetCashProvidedByUsedInInvestingActivities ▂▂▃▃▁▇▄▃▇▇▆▄▆▇▇▆▆▆▇▅▄▆▅▅▆▇▅▆▆▆▆▆▆▆▆▇▆▇▆█▆▆▆▇▇█-711.449-667.715-621.596-503.565-896.857103.233-405.309-589.20278.6450.421-87.38-363.219-150.56395.07916.95-13.996-134.206-68.23773.85-235.763-323.116-63.524-222.531-235.162-62.68997.328-274.827-148.069-72.118-26.947-102.971-19.269-78.352-80.468-76.57570.363-15.77930.394-71.945186.844-76.636-61.533-74.66351.28739.006262.835
us-gaap:NetCashProvidedByUsedInFinancingActivities ▄▅▃▃█▁▃▄▂▁▂▃▂▁▂▂▂▂▂▃▃▂▃▃▂▂▂▃▂▂▂▂▁▂▂▂▂▂▂▂▁▂▂▂▂▁590.126839.362296.592275.4571761.052-200.515304.443572.845-78.092-168.40756.847285.05449.486-187.451-14.45679.245133.631-9.161-69.043204.61268.23247.843191.758193.391-45.866-63.853149.13163.22431.9448.6587.9651.35-193.060.809-6.70896.519-44.86731.3912.552-136.564-153.0544.07120.047-65.443141.711-289.86
us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect ▂▄▁▂█▂▂▃▃▂-52.953230.719-276.479-167.448881.937-31.917-50.93239.94646.586-65.514NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
  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 █▇▅▇▂▇▆▆▅▆▇▆█▅▂▅▃▄▃▅▅▃▄▄▄▃▆▃▃▄▂▃▂▁▄▃▄▄▂▃▂▂▅▅▁▃68.3759.07248.52560.6617.74265.36549.93456.30346.03852.47265.95856.78870.9643.49517.34545.39729.80235.98127.36744.82944.34129.3133.88736.25637.65726.95650.41923.83127.85135.51719.8229.96216.17613.67834.61725.89739.00235.38316.2227.68322.86119.6642.65743.2979.7628.422
us-gaap:NetIncomeLoss █▇█▆▅▂▆▇▇▆▆▆▆▆▂▆▄▄▄▄▄▃▄▄▃▄▃▃▃▃▃▂▂▂▂▂▂▂▂▃▁▁▂▁▁▁55.03951.85358.344.73436.58214.62846.12950.72751.72445.87144.74846.41541.74939.9715.72840.76927.13229.19930.71827.48425.40521.25926.7425.7821.94624.36118.9221.58321.22719.84419.97313.27614.59112.17613.46211.8811.8998.90214.75418.8728.6325.77912.6085.2045.0567.916
us-gaap:ShareBasedCompensation █▆▆▆▆▅▅▅▅▅▅▅▄▄▄▄▄▅▃▃▃▃▃▃▂▂▂▂▂▂▂▂▂▂▁▁▁▁▁▁▁▁▁▁▁▁3.9083.0282.8193.0092.7372.1722.4442.2992.2432.2852.1232.1482.0192.0641.831.8011.7562.3581.3831.0751.3711.181.1561.0980.9740.8620.8180.8170.5440.680.9630.6010.7290.5510.470.2440.4580.450.4720.40.4280.3350.370.3490.3550.35
  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 ▂▂▃▃▁▇▄▃▇▇▆▄▆▇▇▆▆▆▇▅▄▆▅▅▆▇▅▆▆▆▆▆▆▆▆▇▆▇▆█▆▆▆▇▇█-711.449-667.715-621.596-503.565-896.857103.233-405.309-589.20278.6450.421-87.38-363.219-150.56395.07916.95-13.996-134.206-68.23773.85-235.763-323.116-63.524-222.531-235.162-62.68997.328-274.827-148.069-72.118-26.947-102.971-19.269-78.352-80.468-76.57570.363-15.77930.394-71.945186.844-76.636-61.533-74.66351.28739.006262.835
us-gaap:PaymentsToAcquirePropertyPlantAndEquipment ▂▁▁▂▂▁▂▂▁▁▂▂▂▁▁▂▁▁▁▁▁▁▁▂▁▂▁▁▂▂▂▁▂▂▂▁▂▂▂▃▁▂█▂▁▁2.2820.8051.1823.0482.841.652.6142.2931.7521.7883.0753.2422.9122.0992.1152.4331.6110.3361.8151.5060.7540.4450.232.5460.7734.0321.9552.1473.4534.933.0462.0164.4473.6244.7330.7744.9486.6824.4698.231-0.0732.46132.5932.8561.0440.01
  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 ▄▅▃▃█▁▃▄▂▁▂▃▂▁▂▂▂▂▂▃▃▂▃▃▂▂▂▃▂▂▂▂▁▂▂▂▂▂▂▂▁▂▂▂▂▁590.126839.362296.592275.4571761.052-200.515304.443572.845-78.092-168.40756.847285.05449.486-187.451-14.45679.245133.631-9.161-69.043204.61268.23247.843191.758193.391-45.866-63.853149.13163.22431.9448.6587.9651.35-193.060.809-6.70896.519-44.86731.3912.552-136.564-153.0544.07120.047-65.443141.711-289.86
us-gaap:PaymentsOfDividendsCommonStock ▅▅▅▅▅█▅▅▇▇▇▅▅▄▃▃▃▃▅▅▅▅▅▅▅▄▄▄▃▂▂▂▂▂▂▃▃▄▂▁▁▁▁▁▁▁20.13420.1119.87919.8819.8935.8620.08920.31130.76130.7529.29119.04419.03616.06912.84212.84512.82912.79222.63622.63721.46121.94320.78319.62919.61517.23615.96914.74212.6296.1545.6395.1265.1223.9713.57211.9018.72814.6235.1362.371.9731.1810.3930.3930.3930.282
us-gaap:PaymentsForRepurchaseOfCommonStock NANA0.00.00.020.05.45423.51719.4312.4320.0170.0330.0522.5750.0530.0310.1762.0390.0120.0210.0591.0330.0270.0050.0930.7810.0170.0040.0790.5220.0380.00.3910.00.00.00.00.00.00.00.00.0320.00.00.00.0
  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 End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-31
Value16641661166016581654165116501648164416421642164016361634163410031001999995994992991990989987986985862861861860858857582581581580579579578578577576
Percentage of CommonStockValue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets9.29.610.010.210.411.811.712.012.612.612.512.713.013.012.910.210.310.510.510.410.611.011.111.311.611.511.511.611.811.912.012.012.111.911.911.812.112.012.112.213.113.513.6

Shares Outstanding

us-gaap:SharesOutstanding us-gaap:StatementEquityComponents

us-gaap:SharesOutstanding

us-gaap:CommonStock


Shares
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-31
Value717171717171727272737373737373
Percentage of SharesOutstanding100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Shares Issued

us-gaap:SharesIssued us-gaap:StatementEquityComponents

us-gaap:SharesIssued

us-gaap:CommonStock


Shares
Period End2020-12-312019-12-312019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312008-12-31
Value7172737373737373585858585858585757575757525252515151393939393939393939393939282818
Percentage of SharesIssued100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Common Stock Shares Issued

us-gaap:CommonStockSharesIssued

us-gaap:CommonStockSharesIssued


Common
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312010-12-31
Value73737373737373737373737373737358585858585858575757575752525251515139393939393939
Percentage of CommonStockSharesIssued100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Common Stock Shares Authorized

us-gaap:CommonStockSharesAuthorized

us-gaap:CommonStockSharesAuthorized


Common
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-31
Value115115115115115115115115115115115115115115115115115115115115115115115115115636363636363636363636363636363636363
Percentage of CommonStockSharesAuthorized100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Preferred Stock Shares Authorized

us-gaap:PreferredStockSharesAuthorized

us-gaap:PreferredStockSharesAuthorized


Preferred
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302012-12-31
Value2000000.02000000.02000000.02000000.02000000.02000000.02000000.02000000.02000000.02000000.02000000.02000000.02000000.02000000.02000000.02000000.02000000.02000000.02000000.02000000.02000000.02000000.02000000.02000000.02000000.02000000.02000000.02000000.02000000.02000000.00
Percentage of PreferredStockSharesAuthorized100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0

Common Stock Shares Outstanding

us-gaap:CommonStockSharesOutstanding

us-gaap:CommonStockSharesOutstanding


Common
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312010-12-31
Value717171717171727272737373737358585858585858575757575752525251515139393939393939
Percentage of CommonStockSharesOutstanding100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Weighted Average Number Of Diluted Shares Outstanding

us-gaap:WeightedAverageNumberOfDilutedSharesOutstanding

us-gaap:WeightedAverageNumberOfDilutedSharesOutstanding


Weighted
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-09-302016-06-302016-03-312015-09-302015-06-302015-03-312014-09-302014-06-302014-03-312013-09-302013-06-302013-03-312012-09-302012-06-302012-03-312011-09-302011-06-302011-03-312010-09-302010-06-302010-03-31
Value7171707071717272727272575757575757575756525252525239393939393939393528
Percentage of WeightedAverageNumberOfDilutedSharesOutstanding100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Weighted Average Number Of Shares Outstanding Basic

us-gaap:WeightedAverageNumberOfSharesOutstandingBasic

us-gaap:WeightedAverageNumberOfSharesOutstandingBasic


Weighted
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-09-302016-06-302016-03-312015-09-302015-06-302015-03-312014-09-302014-06-302014-03-312013-09-302013-06-302013-03-312012-09-302012-06-302012-03-312011-09-302011-06-302011-03-312010-09-302010-06-302010-03-31
Value7070707071717272727272575757575757575756525251505039393939393939383427
Percentage of WeightedAverageNumberOfSharesOutstandingBasic100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount

us-gaap:AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount

us-gaap:AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount


Antidilutive
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-09-302016-06-302016-03-312015-09-302015-06-302015-03-312014-09-302014-06-302014-03-312013-09-302013-06-302013-03-312012-09-302012-06-302012-03-312011-09-302011-06-302011-03-312010-09-302010-06-30
Value248000.070000.0596000.0571000.06000.000003000.012000.012000.012000.014000.015000.019000.027000.029000.037000.053000.058000.063000.083000.0138000.0143000.09000.053000.046000.046000.075000.062000.054000.062000.054000.0
Percentage of AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount100.0100.0100.0100.0100.00.00.00.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

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
Value0.770.730.820.630.520.20.640.70.710.630.610.630.570.550.230.70.470.50.530.470.440.370.460.450.380.420.340.410.40.380.390.260.280.310.340.30.30.220.370.480.220.150.320.060.110.24
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
Value0.770.730.820.630.520.20.640.70.710.630.610.630.570.550.230.70.470.50.530.470.440.370.460.450.380.420.340.410.40.370.380.250.280.310.340.30.30.220.370.480.220.150.320.060.110.24
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

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
Value74-52.61462418011121689584793233133.518413335-4.7862333397.619351033251729261119-11.3388.7465.13314147.231423157.7032.1139.7268.42510
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 InterestAndDividendIncomeOperating58.4-41.747.232.463.785.216.251.770.865.361.225.328.211.73.245.837.840.5-5.526.740.749.19.243.312.740.631.322.739.235.814.223.6-13.816.09.024.423.010.419.034.928.314.14.918.718.324.8

Gain Loss On Investments

us-gaap:GainLossOnInvestments

us-gaap:GainLossOnInvestments


Gain
Period End2021-06-302020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-31
Value0.3140.0160.2490.00.2851.847-0.062-0.0330.0220.00.00.0
Percentage of GainLossOnInvestments100.00.0100.0100.00.0100.0100.0100.0100.0100.00.00.00.0
Percentage of InterestAndDividendIncomeOperating0.20.013.00.20.00.21.4-0.0-0.00.00.00.00.0

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
Value69647554441758636356555751464059383943393630373731352831292827202217181616122026118.106109.1755.7247.85
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 InterestAndDividendIncomeOperating54.651.156.342.935.513.643.647.647.144.042.745.342.939.337.565.543.645.349.645.744.037.645.145.138.843.235.240.439.338.235.624.526.731.232.927.826.217.427.338.221.214.823.817.612.417.7

us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncome, us-gaap:StatementEquityComponents

us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncome, us-gaap:AccumulatedDefinedBenefitPlansAdjustment


Income
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-31
Value-0.149-0.15-0.103-0.104-0.103-0.104-0.079-0.081-0.08-0.08-0.08-0.08-0.08-0.08-0.071-0.072-0.071-0.136-0.167-0.167-0.167-0.167-0.096-0.097-0.098-0.044-0.038-0.036-0.037-0.037-0.124-0.092-0.092-0.092
Percentage of IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments-0.2-0.2-0.1-0.2-0.2-0.6-0.1-0.1-0.1-0.1-0.1-0.1-0.2-0.2-0.2-0.1-0.2-0.3-0.4-0.4-0.5-0.5-0.3-0.3-0.3-0.1-0.1-0.1-0.1-0.1-0.4-0.5-0.4-0.5
Percentage of InterestAndDividendIncomeOperating-0.1-0.1-0.1-0.1-0.1-0.1-0.1-0.1-0.1-0.1-0.1-0.1-0.1-0.1-0.1-0.1-0.1-0.2-0.2-0.2-0.2-0.2-0.1-0.1-0.1-0.1-0.0-0.0-0.0-0.0-0.2-0.1-0.1-0.2
Percentage of InterestAndDividendIncomeOperating us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncome us-gaap:AccumulatedDefinedBenefitPlansAdjustment0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncome, us-gaap:AccumulatedGainLossNetCashFlowHedgeParent


Income
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-30
Value2.6022.5762.6152.6732.190.940.5190.0760.00.00.00.0
Percentage of IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments3.74.03.54.94.95.30.90.10.00.00.00.0
Percentage of InterestAndDividendIncomeOperating2.02.02.02.11.70.70.40.10.00.00.00.0
Percentage of InterestAndDividendIncomeOperating us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncome us-gaap:AccumulatedGainLossNetCashFlowHedgeParent0.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncome, us-gaap:AccumulatedNetUnrealizedInvestmentGainLoss


Income
Period End2021-06-302020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-31
Value0.7640.0360.00.00.2490.00.00.285-1.8470.00.00.0050.102-0.0110.00.00.00.0070.5720.2290.3730.2810.2360.3430.7210.00.0330.2960.2230.00.00.0920.37
Percentage of IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments1.10.00.00.01.40.00.00.4-3.30.00.00.00.2-0.00.00.00.00.01.40.61.20.80.61.12.00.00.11.00.80.00.00.42.2
Percentage of InterestAndDividendIncomeOperating0.60.00.00.00.20.00.00.2-1.40.00.00.00.1-0.00.00.00.00.00.70.30.50.30.30.40.90.00.00.40.30.00.00.10.7
Percentage of InterestAndDividendIncomeOperating us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncome us-gaap:AccumulatedNetUnrealizedInvestmentGainLoss0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Income Tax Expense Benefit

us-gaap:IncomeTaxExpenseBenefit

us-gaap:IncomeTaxExpenseBenefit


Income
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value1412169.9498.1953.231112121010119.9996.815251811101212119.22910119.853109.1679.6058.6438.7967.9116.7347.4144.9355.3424.6554.3673.1985.6647.2442.672.327-2.2823.9710.668-0.066
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 InterestAndDividendIncomeOperating11.410.012.67.86.52.58.99.38.98.48.38.98.35.723.120.312.712.014.214.013.511.412.813.912.013.311.512.511.411.710.18.39.09.09.37.87.04.67.610.65.04.3-5.37.61.4-0.1

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

us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncome, us-gaap:AccumulatedDefinedBenefitPlansAdjustment


Income
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-31
Value-0.034-0.035-0.024-0.024-0.024-0.024-0.018-0.019-0.019-0.019-0.018-0.019-0.019-0.019-0.026-0.026-0.026-0.049-0.061-0.06-0.061-0.061-0.035-0.035-0.035-0.016-0.014-0.013-0.013-0.013-0.037-0.033-0.032-0.032
Percentage of IncomeTaxExpenseBenefit-0.2-0.3-0.1-0.2-0.3-0.7-0.2-0.2-0.2-0.2-0.2-0.2-0.2-0.3-0.1-0.1-0.2-0.5-0.5-0.5-0.5-0.7-0.3-0.3-0.4-0.1-0.2-0.1-0.2-0.1-0.5-0.5-0.4-0.6
Percentage of InterestAndDividendIncomeOperating-0.0-0.0-0.0-0.0-0.0-0.0-0.0-0.0-0.0-0.0-0.0-0.0-0.0-0.0-0.0-0.0-0.0-0.1-0.1-0.1-0.1-0.1-0.0-0.0-0.0-0.0-0.0-0.0-0.0-0.0-0.0-0.0-0.0-0.1
Percentage of InterestAndDividendIncomeOperating us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncome us-gaap:AccumulatedDefinedBenefitPlansAdjustment0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncome, us-gaap:AccumulatedGainLossNetCashFlowHedgeParent


Income
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-30
Value0.6040.5990.6080.6210.510.2180.120.0180.00.00.00.0
Percentage of IncomeTaxExpenseBenefit4.24.83.66.26.26.71.00.10.00.00.00.0
Percentage of InterestAndDividendIncomeOperating0.50.50.50.50.40.20.10.00.00.00.00.0
Percentage of InterestAndDividendIncomeOperating us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncome us-gaap:AccumulatedGainLossNetCashFlowHedgeParent0.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncome, us-gaap:AccumulatedNetUnrealizedInvestmentGainLoss


Income
Period End2021-06-302020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-31
Value0.1780.0080.00.00.0580.00.00.066-0.430.00.00.0010.024-0.0040.00.00.00.0030.2080.0830.1350.1030.0850.1240.2620.00.0120.1070.0810.00.00.0330.13
Percentage of IncomeTaxExpenseBenefit1.20.00.00.01.80.00.00.5-4.00.00.00.00.4-0.00.00.00.00.01.70.71.51.00.71.32.40.00.11.20.90.00.00.42.6
Percentage of InterestAndDividendIncomeOperating0.10.00.00.00.00.00.00.0-0.30.00.00.00.0-0.00.00.00.00.00.20.10.20.10.10.20.30.00.00.10.10.00.00.00.2
Percentage of InterestAndDividendIncomeOperating us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncome us-gaap:AccumulatedNetUnrealizedInvestmentGainLoss0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Income Taxes Paid

us-gaap:IncomeTaxesPaid

us-gaap:IncomeTaxesPaid


Income
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
Value1011210.012141221-0.146119.1473.5970.0242114220.0119.6954.786.3511117.2680.01310.03.038.190.016.533104.0895.52.3229.6050.00.010120.00.03.88
Percentage of IncomeTaxesPaid100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.00.0100.0100.00.00.0100.0
Percentage of InterestAndDividendIncomeOperating7.98.817.00.010.79.215.6-0.18.77.23.00.019.616.426.10.013.711.25.77.813.914.28.90.012.53.910.80.08.313.05.010.04.116.20.00.013.618.80.00.08.9

Income Taxes Paid Net

us-gaap:IncomeTaxesPaidNet

us-gaap:IncomeTaxesPaidNet


Income
Period End2021-06-302021-03-312020-06-302020-03-31
Value28-0.001210.012
Percentage of IncomeTaxesPaidNet100.0100.0100.0100.0
Percentage of InterestAndDividendIncomeOperating22.3-0.017.00.0

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
Value991001071051051071101121161081101091051039578757474747170717271706965676569747448505254616659444736443836
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 InterestAndDividendIncomeOperating78.279.680.683.083.682.082.985.086.184.184.886.087.486.588.187.186.184.485.986.486.086.686.287.487.587.087.485.488.187.588.590.891.087.788.488.487.788.689.487.283.286.884.286.284.483.4

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
Value1.9852.0482.1842.6584.3818.4758.29210107.8665.9134.7793.8753.6632.6171.3741.6251.1410.9971.1861.1631.0040.950.9711.031.0531.1330.9130.9630.9851.0981.1842.2791.2792.3112.2042.4132.6492.7953.6443.9344.1624.5535.115.4166.013
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 InterestAndDividendIncomeOperating1.61.61.62.13.56.56.27.67.66.14.63.73.23.12.41.51.91.31.11.41.41.21.11.21.31.31.41.21.31.31.41.52.82.34.03.73.93.83.75.37.47.610.59.811.713.6

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
Value12512313112412112212412212512112312211611510688868685858280818181807876757377807953545759677264495038464038
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 InterestAndDividendIncomeOperating98.498.498.497.996.593.593.892.492.493.995.496.396.896.997.698.598.198.798.998.698.698.898.998.898.798.798.698.898.798.798.698.597.297.796.096.396.196.296.394.792.692.489.590.288.386.4

us-gaap:InterestIncomeExpenseNet us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncome, us-gaap:StatementEquityComponents

us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncome, colb:AmortizationOfUnrealizedGainsAndLossesRelatedToAvailableForSaleSecuritiesTransfer


Interest
Period End2021-06-30
Value0.45
Percentage of InterestIncomeExpenseNet0.4
Percentage of InterestAndDividendIncomeOperating0.4
Percentage of InterestAndDividendIncomeOperating us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncome colb:AmortizationOfUnrealizedGainsAndLossesRelatedToAvailableForSaleSecuritiesTransfer0.0

Interest Paid Net

us-gaap:InterestPaidNet

us-gaap:InterestPaidNet


Interest
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value2.5291.5532.7182.8386.9256.158.293119.8526.7126.3674.1264.3623.2112.4651.431.5811.151.0071.1961.1821.0590.9561.0021.0561.1320.9820.9540.9690.9991.1322.6750.8361.3192.5662.3032.542.7972.9713.873.6844.4134.7125.2765.736.158
Percentage of InterestPaidNet100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of InterestAndDividendIncomeOperating2.01.22.02.25.54.76.28.37.35.24.93.23.62.72.31.61.81.31.21.41.41.31.21.21.31.41.21.21.31.31.43.31.02.44.53.94.14.04.05.76.98.110.910.112.413.9

Net Income Loss

us-gaap:NetIncomeLoss

us-gaap:NetIncomeLoss


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value555158443614465051454446413915402729302725212625212418212119191314121311118.90214188.6325.779125.2045.0567.916
Percentage of NetIncomeLoss100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of InterestAndDividendIncomeOperating43.241.143.735.129.011.234.738.338.235.634.536.434.633.514.545.130.933.335.431.730.526.232.331.226.829.923.728.027.926.525.516.317.722.223.520.019.212.819.727.616.210.629.110.011.017.9

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

us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncome, us-gaap:AccumulatedDefinedBenefitPlansAdjustment


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-31
Value-0.115-0.115-0.079-0.08-0.079-0.08-0.061-0.062-0.061-0.061-0.062-0.061-0.061-0.061-0.045-0.046-0.045-0.087-0.106-0.107-0.106-0.106-0.061-0.062-0.063-0.028-0.024-0.023-0.024-0.024-0.087-0.059-0.06-0.06
Percentage of NetIncomeLoss-0.2-0.2-0.1-0.2-0.2-0.5-0.1-0.1-0.1-0.1-0.1-0.1-0.1-0.2-0.3-0.1-0.2-0.3-0.3-0.4-0.4-0.5-0.2-0.2-0.3-0.1-0.1-0.1-0.1-0.1-0.4-0.4-0.4-0.5
Percentage of InterestAndDividendIncomeOperating-0.1-0.1-0.1-0.1-0.1-0.1-0.0-0.0-0.0-0.0-0.0-0.0-0.1-0.1-0.0-0.1-0.1-0.1-0.1-0.1-0.1-0.1-0.1-0.1-0.1-0.0-0.0-0.0-0.0-0.0-0.1-0.1-0.1-0.1
Percentage of InterestAndDividendIncomeOperating us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncome us-gaap:AccumulatedDefinedBenefitPlansAdjustment0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncome, us-gaap:AccumulatedGainLossNetCashFlowHedgeParent


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-30
Value1.9981.9772.0072.0521.680.7220.3990.0580.00.00.00.0
Percentage of NetIncomeLoss3.63.83.44.64.64.90.90.10.00.00.00.0
Percentage of InterestAndDividendIncomeOperating1.61.61.51.61.30.60.30.00.00.00.00.0
Percentage of InterestAndDividendIncomeOperating us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncome us-gaap:AccumulatedGainLossNetCashFlowHedgeParent0.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncome, us-gaap:AccumulatedNetUnrealizedInvestmentGainLoss


Net
Period End2021-06-302020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-31
Value0.5860.0280.00.00.1910.00.00.219-1.4170.00.00.0040.078-0.0070.00.00.00.0040.3640.1460.2380.1780.1510.2190.4590.00.0210.1890.1420.00.00.0590.24
Percentage of NetIncomeLoss1.10.00.00.01.30.00.00.4-3.10.00.00.00.2-0.00.00.00.00.01.30.61.10.70.61.01.90.00.10.90.70.00.00.42.0
Percentage of InterestAndDividendIncomeOperating0.50.00.00.00.10.00.00.2-1.10.00.00.00.1-0.00.00.00.00.00.40.20.30.20.20.30.60.00.00.20.20.00.00.10.4
Percentage of InterestAndDividendIncomeOperating us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncome us-gaap:AccumulatedNetUnrealizedInvestmentGainLoss0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:NetIncomeLoss us-gaap:StatementEquityComponents

us-gaap:RetainedEarnings


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value555158443614465051454446413915402729302725212625212418212119191314121311118.90214188.6325.779125.2045.0567.916
Percentage of NetIncomeLoss100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of InterestAndDividendIncomeOperating43.241.143.735.129.011.234.738.338.235.634.536.434.633.514.545.130.933.335.431.730.526.232.331.226.829.923.728.027.926.525.516.317.722.223.520.019.212.819.727.616.210.629.110.011.017.9
Percentage of InterestAndDividendIncomeOperating us-gaap:RetainedEarnings0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

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

us-gaap:OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationAndTax

us-gaap:OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationAndTax


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value-1.998-1.977-2.521-2.1140.93117-3.8193.0797.2334.810.00.00.00.0
Percentage of OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationAndTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.00.00.00.0
Percentage of InterestAndDividendIncomeOperating-1.6-1.6-1.9-1.70.713.2-2.92.35.33.70.00.00.00.0

Other Comprehensive Income Loss Net Of Tax

us-gaap:OtherComprehensiveIncomeLossNetOfTax

us-gaap:OtherComprehensiveIncomeLossNetOfTax


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-31
Value19-104.4674.594-3.4764396-24.51717443834-14.088-7.788-26.065-12.210.5956.0786.393-35.504-4.3068.46818-19.12110-11.4978.6656.116-4.0558.6037.001-8.8366.002-25.929-3.43-8.3292.6432.374-1.672-0.554
Percentage of OtherComprehensiveIncomeLossNetOfTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of InterestAndDividendIncomeOperating15.2-82.93.4-2.734.874.0-18.413.432.629.826.7-11.0-6.5-21.9-11.20.76.97.3-40.9-5.010.223.0-23.112.1-14.010.67.7-5.311.39.3-11.37.4-31.5-6.3-14.64.43.8-2.4-0.7

us-gaap:OtherComprehensiveIncomeLossNetOfTax us-gaap:StatementEquityComponents

us-gaap:AccumulatedOtherComprehensiveIncome


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-31
Value19-104.4674.594-3.4764396-24.51717443834-14.088-7.788-26.065-12.210.5956.0786.393-35.504-4.3068.46818-19.12110-11.4978.6656.116-4.0558.6037.001-8.8366.002-25.929-3.43-8.3292.6432.374-1.672-0.554
Percentage of OtherComprehensiveIncomeLossNetOfTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of InterestAndDividendIncomeOperating15.2-82.93.4-2.734.874.0-18.413.432.629.826.7-11.0-6.5-21.9-11.20.76.97.3-40.9-5.010.223.0-23.112.1-14.010.67.7-5.311.39.3-11.37.4-31.5-6.3-14.64.43.8-2.4-0.7
Percentage of InterestAndDividendIncomeOperating us-gaap:AccumulatedOtherComprehensiveIncome0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Assets

us-gaap:Assets

us-gaap:Assets


Assets
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-31
Value1801317335165841623315920140381407913757130901306413095129561262812530127169814968595279509958693539035895187558518855285787466729772377161715070704905490649034789481547854755442942644256
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
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:Assets us-gaap:ConsolidatedEntities

srt:ParentCompany


Assetsus-gaap:
Period End2020-12-312019-12-312018-12-312017-12-31
Value2383219520691994
Percentage of Assets14.415.615.815.7
Percentage of Assets14.415.615.815.7
Percentage of Assets srt:ParentCompany100.0100.0100.0100.0

Liabilities

us-gaap:Liabilities

us-gaap:Liabilities


Liabilities
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-31
Value1568015060142371393113644118241191911596109571097511061109751066310582107668486838782518258831080797775770975017281730873506369620561626108610460394135414241414030406240264005370135503549
Percentage of Liabilities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets87.086.985.885.885.784.284.784.383.784.084.584.784.484.584.786.586.686.686.886.786.486.086.185.785.585.585.785.385.085.285.385.485.484.384.484.584.284.484.184.283.683.383.4

us-gaap:Liabilities us-gaap:ConsolidatedEntities

srt:ParentCompany


Liabilitiesus-gaap:
Period End2020-12-312019-12-312018-12-312017-12-31
Value35353644
Percentage of Liabilities0.30.30.30.4
Percentage of Assets0.20.30.30.3
Percentage of Assets srt:ParentCompany1.51.61.72.2

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
Value1801317335165841623315920140381407913757130901306413095129561262812530127169814968595279509958693539035895187558518855285787466729772377161715070704905490649034789481547854755442942644256
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
Value2383219520691994
Percentage of LiabilitiesAndStockholdersEquity14.415.615.815.7
Percentage of Assets14.415.615.815.7
Percentage of Assets srt:ParentCompany100.0100.0100.0100.0

Stockholders Equity

us-gaap:StockholdersEquity

us-gaap:StockholdersEquity


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312008-12-31
Value233322752347230122762213215921612133208820331981196419471949132812971275125112761274126012421254123612441228109610921074105310451030769764761758752759749727714706704775538528415
Percentage of StockholdersEquity100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets13.013.114.214.214.315.815.315.716.316.015.515.315.615.515.313.513.413.413.213.313.614.013.914.314.514.514.314.715.014.814.714.614.615.715.615.515.815.615.915.816.416.716.60.00.00.00.00.0

us-gaap:StockholdersEquity us-gaap:ConsolidatedEntities

srt:ParentCompany


Stockholders
Period End2020-12-312019-12-312018-12-312017-12-31
Value2347215920331949
Percentage of StockholdersEquity100.0100.0100.0100.0
Percentage of Assets14.215.315.515.3
Percentage of Assets srt:ParentCompany98.598.498.397.8

us-gaap:StockholdersEquity us-gaap:StatementEquityComponents

us-gaap:AccumulatedOtherComprehensiveIncome


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312008-12-31
Value97771821771811374064473.046-35.305-70.009-55.921-48.133-22.225-5.933-6.528-12.606-18.999162012-6.295122.789145.621-0.4953.56-5.043-12.044-3.208-9.2116202825232525201412221814115.389
Percentage of StockholdersEquity4.23.47.87.78.06.21.93.02.20.1-1.7-3.5-2.8-2.5-1.1-0.4-0.5-1.0-1.51.31.61.0-0.51.00.21.10.5-0.00.3-0.5-1.1-0.3-0.92.22.63.73.43.13.33.42.82.01.73.22.42.82.21.3
Percentage of Assets0.50.41.11.11.11.00.30.50.40.0-0.3-0.5-0.4-0.4-0.2-0.1-0.1-0.1-0.20.20.20.1-0.10.10.00.20.1-0.00.0-0.1-0.2-0.0-0.10.30.40.60.50.50.50.50.50.30.30.00.00.00.00.0
Percentage of Assets us-gaap:AccumulatedOtherComprehensiveIncome0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:CommonStock


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312008-12-31
Value16641661166016581654165116501648164416421642164016361634163410031001999995994992991990989987986985862861861860858857582581581580579579578578577576576579349348233
Percentage of StockholdersEquity71.473.070.872.072.774.676.476.377.178.780.882.883.383.983.875.677.278.479.677.977.978.679.778.979.979.380.378.778.980.181.782.183.275.776.176.276.577.076.377.279.480.981.681.874.764.966.056.1
Percentage of Assets9.29.610.010.210.411.811.712.012.612.612.512.713.013.012.910.210.310.510.510.410.611.011.111.311.611.511.511.611.811.912.012.012.111.911.911.812.112.012.112.213.113.513.60.00.00.00.00.0
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:RetainedEarnings


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312008-12-31
Value6426075755375124955194934634424264113833613373303022882712632592552552502432412342312242162021881801701621521521491551451281221171051039993103
Percentage of StockholdersEquity27.526.724.523.322.522.424.122.821.721.221.020.819.518.517.324.923.322.621.720.720.320.220.619.919.719.419.121.120.620.119.218.017.522.221.320.020.119.820.419.417.717.116.615.013.318.517.724.8
Percentage of Assets3.63.53.53.33.23.53.73.63.53.43.33.23.02.92.73.43.13.02.92.82.82.82.92.92.92.82.73.13.13.02.82.62.53.53.33.13.23.13.23.12.92.92.80.00.00.00.00.0
Percentage of Assets us-gaap:RetainedEarnings0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:TreasuryStock


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-30
Value-70.834-70.834-70.834-70.834-70.834-70.834-50.834-45.38-21.8630.00.00.00.0
Percentage of StockholdersEquity-3.0-3.1-3.0-3.1-3.1-3.2-2.4-2.1-1.00.00.00.00.0
Percentage of Assets-0.4-0.4-0.4-0.4-0.4-0.5-0.4-0.3-0.20.00.00.00.0
Percentage of Assets us-gaap:TreasuryStock0.00.00.00.00.00.00.00.00.00.00.00.00.0

Tier One Risk Based Capital

us-gaap:TierOneRiskBasedCapital

us-gaap:TierOneRiskBasedCapital


Tier
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-31
Value1390131712531165874853817695612598591
Percentage of TierOneRiskBasedCapital100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets8.49.49.69.29.29.59.59.712.512.513.9

us-gaap:TierOneRiskBasedCapital dei:LegalEntity

colb:BankingSubsidiaries


Tier
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-31
Value1411131812741184862839788
Percentage of TierOneRiskBasedCapital101.5100.1101.7101.698.698.496.4
Percentage of Assets8.59.49.79.39.19.49.2
Percentage of Assets colb:BankingSubsidiaries0.00.00.00.00.00.00.0

Cash And Cash Equivalents At Carrying Value

us-gaap:CashAndCashEquivalentsAtCarryingValue

us-gaap:CashAndCashEquivalentsAtCarryingValue


Cash
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312008-12-31
Value831884653930109721524729825821227724226329334232221218222419217818817517217724818826322423617925419244751356236939129434726947651452649630630588
Percentage of CashAndCashEquivalentsAtCarryingValue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets4.65.13.95.76.91.51.82.22.01.62.11.92.12.32.73.32.21.92.42.01.92.12.02.02.12.92.23.53.13.32.53.62.79.110.511.57.78.16.17.36.111.212.10.00.00.00.00.0

us-gaap:CashAndCashEquivalentsAtCarryingValue us-gaap:ConsolidatedEntities

srt:ParentCompany


Cash
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-31
Value7.234278.1719.2982.4473.989
Percentage of CashAndCashEquivalentsAtCarryingValue1.111.22.92.71.12.3
Percentage of Assets0.00.20.10.10.00.0
Percentage of Assets srt:ParentCompany0.31.30.40.50.00.0

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
Value241243243240214221221205164150131
Percentage of PropertyPlantAndEquipmentGross100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets1.51.71.91.92.32.52.62.93.43.13.1

us-gaap:PropertyPlantAndEquipmentGross us-gaap:PropertyPlantAndEquipmentByType

us-gaap:Building


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
Value10710710811010110210394847867
Percentage of PropertyPlantAndEquipmentGross44.844.144.845.947.346.446.646.151.251.951.1
Percentage of Assets0.70.80.80.91.11.11.21.31.71.61.6
Percentage of Assets us-gaap:Building0.00.00.00.00.00.00.00.00.00.00.0

us-gaap:ComputerSoftwareIntangibleAsset


Property
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-31
Value121519201817151713
Percentage of PropertyPlantAndEquipmentGross5.26.58.08.58.77.87.18.58.4
Percentage of Assets0.10.10.10.20.20.20.20.20.3
Percentage of Assets us-gaap:ComputerSoftwareIntangibleAsset0.00.00.00.00.00.00.00.00.0

us-gaap:FurnitureAndFixtures


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
Value3837323026282829242321
Percentage of PropertyPlantAndEquipmentGross16.015.613.312.712.512.912.914.314.615.316.5
Percentage of Assets0.20.30.20.20.30.30.30.40.50.50.5
Percentage of Assets us-gaap:FurnitureAndFixtures0.00.00.00.00.00.00.00.00.00.00.0

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
Value5153545447515248393429
Percentage of PropertyPlantAndEquipmentGross21.321.822.322.722.223.223.623.823.922.722.3
Percentage of Assets0.30.40.40.40.50.60.60.70.80.70.7
Percentage of Assets us-gaap:Land0.00.00.00.00.00.00.00.00.00.00.0

us-gaap:LeaseholdImprovements


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
Value30282724192021142.6842.7352.918
Percentage of PropertyPlantAndEquipmentGross12.511.711.510.19.19.39.66.91.61.82.2
Percentage of Assets0.20.20.20.20.20.20.20.20.10.10.1
Percentage of Assets us-gaap:LeaseholdImprovements0.00.00.00.00.00.00.00.00.00.00.0

us-gaap:Vehicles


Property
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-31
Value0.4390.510.5110.4730.5360.5870.5960.5460.4380.4280.352
Percentage of PropertyPlantAndEquipmentGross0.20.20.20.20.30.30.30.30.30.30.3
Percentage of Assets0.00.00.00.00.00.00.00.00.00.00.0
Percentage of Assets us-gaap:Vehicles0.00.00.00.00.00.00.00.00.00.00.0

Accumulated Depreciation Depletion And Amortization Property Plant And Equipment

us-gaap:AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment

us-gaap:AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment


Accumulated
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-31
Value7977747063574950464238
Percentage of AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.50.60.60.60.70.60.60.70.90.90.9

Amortization Of Intangible Assets

us-gaap:AmortizationOfIntangibleAssets

us-gaap:AmortizationOfIntangibleAssets


Amortization
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value1.8521.9242.0112.1932.212.312.452.6322.6492.7482.893.073.0883.1882.5471.1881.2491.3491.421.461.4831.5831.6521.6951.7181.8171.7771.4561.481.581.6571.6661.6931.0291.0831.0931.1191.151.2031.1770.9550.9841.0361.0441.0550.787
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

us-gaap:AmortizationOfIntangibleAssets us-gaap:FiniteLivedIntangibleAssetsByMajorClass

us-gaap:CoreDeposits


Amortization
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-31
Value1.8521.9242.0112.1932.212.312.452.6322.6492.7482.893.073.0883.1882.5471.1881.2491.3491.421.461.4831.5831.6521.6951.7181.8171.7771.4561.4811.5791.6571.6671.6931.0281.0821.0931.121.151.203
Percentage of AmortizationOfIntangibleAssets100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.199.9100.0100.1100.099.999.9100.0100.1100.0100.0
Percentage of Assets0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0
Percentage of Assets us-gaap:CoreDeposits0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Property Plant And Equipment Net

us-gaap:PropertyPlantAndEquipmentNet

us-gaap:PropertyPlantAndEquipmentNet


Property
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-31
Value158160162164164164165165167168168169168168169143146148150152156158164168170172172152156156154158158120118115116113107104999493
Percentage of PropertyPlantAndEquipmentNet100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.90.91.01.01.01.21.21.21.31.31.31.31.31.31.31.51.51.61.61.61.71.71.81.92.02.02.02.02.12.22.22.22.22.52.42.42.42.32.32.22.22.22.2

us-gaap:PropertyPlantAndEquipmentNet us-gaap:FinancialInstrument

us-gaap:USGovernmentCorporationsAndAgenciesSecurities


Property
Period End2020-12-31
Value162
Percentage of PropertyPlantAndEquipmentNet100.0
Percentage of Assets1.0
Percentage of Assets us-gaap:USGovernmentCorporationsAndAgenciesSecurities0.0

Goodwill

us-gaap:Goodwill

us-gaap:Goodwill


Goodwill
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312008-12-31
Value7657657657657657657657657657657657657657657653823823823823823823823823823823823823433433433433453461151151151151151151181191091091091091099595
Percentage of Goodwill100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets4.34.44.64.74.85.55.45.65.95.95.85.96.16.16.03.94.04.04.04.04.14.24.34.44.54.54.54.64.74.84.84.84.92.42.42.42.42.42.42.52.72.62.60.00.00.00.00.0

Indefinite Lived Intangible Assets Excluding Goodwill

us-gaap:IndefiniteLivedIntangibleAssetsExcludingGoodwill

us-gaap:IndefiniteLivedIntangibleAssetsExcludingGoodwill


Indefinite
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302011-12-31
Value919000.0919000.0919000.0919000.0919000.0919000.0919000.0919000.0919000.0919000.0919000.0919000.0919000.0919000.0919000.0919000.0919000.0919000.0919000.0919000.0919000.0919000.0919000.0919000.0919000.0919000.0919000.0919000.0919000.0919000.0919000.0919000.0913000.000000
Percentage of IndefiniteLivedIntangibleAssetsExcludingGoodwill100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.00.00.00.00.0
Percentage of Assets0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Intangible Assets Net Excluding Goodwill

us-gaap:IntangibleAssetsNetExcludingGoodwill

us-gaap:IntangibleAssetsNetExcludingGoodwill


Intangible
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302011-12-31
Value2224262830333537404345485154581315161719202123252628302122242527291415161720
Percentage of IntangibleAssetsNetExcludingGoodwill100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.10.10.20.20.20.20.30.30.30.30.40.40.40.40.50.10.20.20.20.20.20.20.30.30.30.30.40.30.30.30.40.40.40.30.30.30.40.4

Finite Lived Intangible Assets Net

us-gaap:FiniteLivedIntangibleAssetsNet

us-gaap:FiniteLivedIntangibleAssetsNet


Finite
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-31
Value2635455817233025141516171920211817181920214.863
Percentage of FiniteLivedIntangibleAssetsNet100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.20.30.40.50.20.30.40.40.30.30.30.40.40.40.40.40.40.40.00.00.00.0

us-gaap:FiniteLivedIntangibleAssetsNet us-gaap:FiniteLivedIntangibleAssetsByMajorClass

us-gaap:CoreDeposits


Finite
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-312008-12-31
Value222325273032343639424547505457121415161819212224262729202123242628141516171920211817184.8635.908
Percentage of FiniteLivedIntangibleAssetsNet0.00.096.60.00.00.097.40.00.00.098.00.00.00.098.40.00.00.094.80.00.00.096.10.00.00.097.00.00.00.096.40.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0
Percentage of Assets0.10.10.20.20.20.20.20.30.30.30.30.40.40.40.50.10.10.20.20.20.20.20.30.30.30.30.30.30.30.30.30.40.40.30.30.30.40.40.40.40.40.40.40.00.0
Percentage of Assets us-gaap:CoreDeposits0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Operating Lease Right Of Use Asset

us-gaap:OperatingLeaseRightOfUseAsset us-gaap:BalanceSheetLocation

us-gaap:OperatingLeaseRightOfUseAsset

us-gaap:OtherAssets


Operating
Period End2020-12-312019-12-31
Value6157
Percentage of OperatingLeaseRightOfUseAsset100.0100.0
Percentage of Assets0.40.4
Percentage of Assets us-gaap:OtherAssets0.00.0

Other Assets

us-gaap:OtherAssets

us-gaap:OtherAssets


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-31
Value37937238242542940134635433732728029528228928424525525525623022722823522722922823121520320521720720411311311311111512610310599103
Percentage of OtherAssets100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets2.12.12.32.62.72.92.52.62.62.52.12.32.22.32.22.52.62.72.72.42.42.52.62.62.72.72.72.92.82.83.02.92.92.32.32.32.32.42.72.22.42.32.4

us-gaap:OtherAssets us-gaap:ConsolidatedEntities

srt:ParentCompany


Other
Period End2020-12-312019-12-312018-12-312017-12-31
Value1.6681.6751.5953.426
Percentage of OtherAssets0.40.50.61.2
Percentage of Assets0.00.00.00.0
Percentage of Assets srt:ParentCompany0.10.10.10.2

Time Deposit Maturities Year One

us-gaap:TimeDepositMaturitiesYearOne

us-gaap:TimeDepositMaturitiesYearOne


Time
Period End2020-12-31
Value263
Percentage of TimeDepositMaturitiesYearOne100.0
Percentage of Assets1.6

Lessee Operating Lease Liability Payments Due Year Two

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearTwo

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearTwo


Lessee
Period End2020-12-31
Value10
Percentage of LesseeOperatingLeaseLiabilityPaymentsDueYearTwo100.0
Percentage of Assets0.1

Lessee Operating Lease Liability Payments Due Year Three

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearThree

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearThree


Lessee
Period End2020-12-31
Value9612000.0
Percentage of LesseeOperatingLeaseLiabilityPaymentsDueYearThree100.0
Percentage of Assets0.1

Lessee Operating Lease Liability Payments Due Year Four

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearFour

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearFour


Lessee
Period End2020-12-31
Value8689000.0
Percentage of LesseeOperatingLeaseLiabilityPaymentsDueYearFour100.0
Percentage of Assets0.1

Lessee Operating Lease Liability Payments Due Year Five

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearFive

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearFive


Lessee
Period End2020-12-31
Value7423000.0
Percentage of LesseeOperatingLeaseLiabilityPaymentsDueYearFive100.0
Percentage of Assets0.0

Lessee Operating Lease Liability Payments Due After Year Five

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFive

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFive


Lessee
Period End2020-12-31
Value27
Percentage of LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFive100.0
Percentage of Assets0.2

Operating Lease Liability

us-gaap:OperatingLeaseLiability us-gaap:BalanceSheetLocation

us-gaap:OperatingLeaseLiability

us-gaap:OtherLiabilities


Operating
Period End2020-12-312019-12-31
Value6763
Percentage of OperatingLeaseLiability100.0100.0
Percentage of Assets0.40.4
Percentage of Assets us-gaap:OtherLiabilities0.00.0

Lessee Operating Lease Liability Payments Due

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDue

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDue


Lessee
Period End2020-12-31
Value75
Percentage of LesseeOperatingLeaseLiabilityPaymentsDue100.0
Percentage of Assets0.5

Lessee Operating Lease Liability Undiscounted Excess Amount

us-gaap:LesseeOperatingLeaseLiabilityUndiscountedExcessAmount

us-gaap:LesseeOperatingLeaseLiabilityUndiscountedExcessAmount


Lessee
Period End2020-12-31
Value7659000.0
Percentage of LesseeOperatingLeaseLiabilityUndiscountedExcessAmount100.0
Percentage of Assets0.0

Stockholders Equity

us-gaap:StockholdersEquity

us-gaap:StockholdersEquity


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312008-12-31
Value233322752347230122762213215921612133208820331981196419471949132812971275125112761274126012421254123612441228109610921074105310451030769764761758752759749727714706704775538528415
Percentage of StockholdersEquity100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets13.013.114.214.214.315.815.315.716.316.015.515.315.615.515.313.513.413.413.213.313.614.013.914.314.514.514.314.715.014.814.714.614.615.715.615.515.815.615.915.816.416.716.60.00.00.00.00.0

us-gaap:StockholdersEquity us-gaap:ConsolidatedEntities

srt:ParentCompany


Stockholders
Period End2020-12-312019-12-312018-12-312017-12-31
Value2347215920331949
Percentage of StockholdersEquity100.0100.0100.0100.0
Percentage of Assets14.215.315.515.3
Percentage of Assets srt:ParentCompany98.598.498.397.8

us-gaap:StockholdersEquity us-gaap:StatementEquityComponents

us-gaap:AccumulatedOtherComprehensiveIncome


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312008-12-31
Value97771821771811374064473.046-35.305-70.009-55.921-48.133-22.225-5.933-6.528-12.606-18.999162012-6.295122.789145.621-0.4953.56-5.043-12.044-3.208-9.2116202825232525201412221814115.389
Percentage of StockholdersEquity4.23.47.87.78.06.21.93.02.20.1-1.7-3.5-2.8-2.5-1.1-0.4-0.5-1.0-1.51.31.61.0-0.51.00.21.10.5-0.00.3-0.5-1.1-0.3-0.92.22.63.73.43.13.33.42.82.01.73.22.42.82.21.3
Percentage of Assets0.50.41.11.11.11.00.30.50.40.0-0.3-0.5-0.4-0.4-0.2-0.1-0.1-0.1-0.20.20.20.1-0.10.10.00.20.1-0.00.0-0.1-0.2-0.0-0.10.30.40.60.50.50.50.50.50.30.30.00.00.00.00.0
Percentage of Assets us-gaap:AccumulatedOtherComprehensiveIncome0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:CommonStock


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312008-12-31
Value16641661166016581654165116501648164416421642164016361634163410031001999995994992991990989987986985862861861860858857582581581580579579578578577576576579349348233
Percentage of StockholdersEquity71.473.070.872.072.774.676.476.377.178.780.882.883.383.983.875.677.278.479.677.977.978.679.778.979.979.380.378.778.980.181.782.183.275.776.176.276.577.076.377.279.480.981.681.874.764.966.056.1
Percentage of Assets9.29.610.010.210.411.811.712.012.612.612.512.713.013.012.910.210.310.510.510.410.611.011.111.311.611.511.511.611.811.912.012.012.111.911.911.812.112.012.112.213.113.513.60.00.00.00.00.0
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:RetainedEarnings


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312008-12-31
Value6426075755375124955194934634424264113833613373303022882712632592552552502432412342312242162021881801701621521521491551451281221171051039993103
Percentage of StockholdersEquity27.526.724.523.322.522.424.122.821.721.221.020.819.518.517.324.923.322.621.720.720.320.220.619.919.719.419.121.120.620.119.218.017.522.221.320.020.119.820.419.417.717.116.615.013.318.517.724.8
Percentage of Assets3.63.53.53.33.23.53.73.63.53.43.33.23.02.92.73.43.13.02.92.82.82.82.92.92.92.82.73.13.13.02.82.62.53.53.33.13.23.13.23.12.92.92.80.00.00.00.00.0
Percentage of Assets us-gaap:RetainedEarnings0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:TreasuryStock


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-30
Value-70.834-70.834-70.834-70.834-70.834-70.834-50.834-45.38-21.8630.00.00.00.0
Percentage of StockholdersEquity-3.0-3.1-3.0-3.1-3.1-3.2-2.4-2.1-1.00.00.00.00.0
Percentage of Assets-0.4-0.4-0.4-0.4-0.4-0.5-0.4-0.3-0.20.00.00.00.0
Percentage of Assets us-gaap:TreasuryStock0.00.00.00.00.00.00.00.00.00.00.00.00.0

Common Stock Value

us-gaap:CommonStockValue

us-gaap:CommonStockValue


Common
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-31
Value16641661166016581654165116501648164416421642164016361634163410031001999995994992991990989987986985862861861860858857582581581580579579578578577576
Percentage of CommonStockValue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets9.29.610.010.210.411.811.712.012.612.612.512.713.013.012.910.210.310.510.510.410.611.011.111.311.611.511.511.611.811.912.012.012.111.911.911.812.112.012.112.213.113.513.6

Retained Earnings Accumulated Deficit

us-gaap:RetainedEarningsAccumulatedDeficit

us-gaap:RetainedEarningsAccumulatedDeficit


Retained
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-31
Value642607575537512495519493463442426411383361337330302288271263259255255250243241234231224216202188180170162152152149155145128122117
Percentage of RetainedEarningsAccumulatedDeficit100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets3.63.53.53.33.23.53.73.63.53.43.33.23.02.92.73.43.13.02.92.82.82.82.92.92.92.82.73.13.13.02.82.62.53.53.33.13.23.13.23.12.92.92.8

Accumulated Other Comprehensive Income Loss Net Of Tax

us-gaap:AccumulatedOtherComprehensiveIncomeLossNetOfTax

us-gaap:AccumulatedOtherComprehensiveIncomeLossNetOfTax


Accumulated
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-31
Value97771821771811374064473.046-35.305-70.009-55.921-48.133-22.225-5.933-6.528-12.606-18.999162012-6.295122.789145.621-0.4953.56-5.043-12.044-3.208-9.2116202825232525201412
Percentage of AccumulatedOtherComprehensiveIncomeLossNetOfTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.50.41.11.11.11.00.30.50.40.0-0.3-0.5-0.4-0.4-0.2-0.1-0.1-0.1-0.20.20.20.1-0.10.10.00.20.1-0.00.0-0.1-0.2-0.0-0.10.30.40.60.50.50.50.50.50.30.3

us-gaap:AccumulatedOtherComprehensiveIncomeLossNetOfTax us-gaap:StatementEquityComponents

us-gaap:AccumulatedDefinedBenefitPlansAdjustment


Accumulated
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-31
Value-5.603-5.718-5.833-3.735-3.815-3.894-3.974-1.993-2.055-2.116-2.177-2.263-2.324-2.385-2.446-1.513-1.559-1.604-6.295-6.362-6.469-6.575-6.681-1.968-2.03-2.093-1.841-1.865-1.888-1.912-1.936-1.347-1.406-1.466-0.769
Percentage of AccumulatedOtherComprehensiveIncomeLossNetOfTax-5.8-7.4-3.2-2.1-2.1-2.8-9.8-3.1-4.4-69.56.23.24.25.011.025.523.912.733.1-38.5-31.1-53.3106.1-15.3-72.8-14.7-32.8376.8-53.037.916.142.015.3-8.8-3.8
Percentage of Assets-0.0-0.0-0.0-0.0-0.0-0.0-0.0-0.0-0.0-0.0-0.0-0.0-0.0-0.0-0.0-0.0-0.0-0.0-0.1-0.1-0.1-0.1-0.1-0.0-0.0-0.0-0.0-0.0-0.0-0.0-0.0-0.0-0.0-0.0-0.0
Percentage of Assets us-gaap:AccumulatedDefinedBenefitPlansAdjustment0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:AccumulatedGainLossNetCashFlowHedgeParent


Accumulated
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312016-12-31
Value2022242729281115124.810.00.00.00.00.00.0
Percentage of AccumulatedOtherComprehensiveIncomeLossNetOfTax21.529.413.615.416.320.828.023.325.5157.9-0.0-0.0-0.0-0.0-0.0-0.0
Percentage of Assets0.10.10.10.20.20.20.10.10.10.00.00.00.00.00.00.0
Percentage of Assets us-gaap:AccumulatedGainLossNetCashFlowHedgeParent0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:AccumulatedNetUnrealizedInvestmentGainLoss


Accumulated
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-31
Value81601631531551123351370.352-33.128-67.746-53.597-45.748-19.779-4.42-4.969-11.002-12.7042227180.386144.819167.4621.375.448-3.131-10.108-1.861-7.8041820
Percentage of AccumulatedOtherComprehensiveIncomeLossNetOfTax84.377.989.686.785.882.081.879.878.811.693.896.895.895.089.074.576.187.366.9138.5131.1153.3-6.1115.3172.8114.7132.8-276.8153.062.183.958.084.7108.8103.8
Percentage of Assets0.50.31.00.91.00.80.20.40.30.0-0.3-0.5-0.4-0.4-0.2-0.0-0.1-0.1-0.10.20.30.20.00.20.10.20.10.00.1-0.0-0.1-0.0-0.10.40.4
Percentage of Assets us-gaap:AccumulatedNetUnrealizedInvestmentGainLoss0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Treasury Stock Value

us-gaap:TreasuryStockValue

us-gaap:TreasuryStockValue


Treasury
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302018-12-31
Value7070707070705045210.0
Percentage of TreasuryStockValue100.0100.0100.0100.0100.0100.0100.0100.0100.00.0
Percentage of Assets0.40.40.40.40.40.50.40.30.20.0

Net Cash Provided By Used In Operating Activities

us-gaap:NetCashProvidedByUsedInOperatingActivities

us-gaap:NetCashProvidedByUsedInOperatingActivities


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value68594860176549564652655670431745293527444429333637265023273519291613342539351627221942439.7628
Percentage of NetCashProvidedByUsedInOperatingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of InterestAndDividendIncomeOperating53.646.936.447.614.149.937.542.534.040.750.844.558.936.515.950.333.941.031.651.753.236.140.943.945.933.163.130.936.647.425.336.719.725.060.543.562.850.821.740.542.936.098.483.121.164.2

Net Cash Provided By Used In Investing Activities

us-gaap:NetCashProvidedByUsedInInvestingActivities

us-gaap:NetCashProvidedByUsedInInvestingActivities


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value-711.449-667.715-621.596-503.565-896.857103-405.309-589.2027850-87.38-363.219-150.5639516-13.996-134.206-68.23773-235.763-323.116-63.524-222.531-235.162-62.68997-274.827-148.069-72.118-26.947-102.971-19.269-78.352-80.468-76.57570-15.77930-71.945186-76.636-61.533-74.6635139262
Percentage of NetCashProvidedByUsedInInvestingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of InterestAndDividendIncomeOperating-558.2-529.8-466.3-395.3-710.578.9-304.5-444.658.139.1-67.3-284.7-124.979.815.6-15.5-152.9-77.785.1-271.7-387.9-78.3-268.9-284.5-76.4119.5-344.0-192.0-94.8-36.0-131.5-23.6-95.2-146.9-133.9118.3-25.443.6-96.0273.0-143.8-112.7-172.298.584.5593.5

Net Cash Provided By Used In Financing Activities

us-gaap:NetCashProvidedByUsedInFinancingActivities

us-gaap:NetCashProvidedByUsedInFinancingActivities


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value5908392962751761-200.515304572-78.092-168.4075628549-187.451-14.45679133-9.161-69.04320426847191193-45.866-63.85314916331487.9651-193.060.809-6.70896-44.867312.552-136.564-153.0544.07120-65.443141-289.86
Percentage of NetCashProvidedByUsedInFinancingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of InterestAndDividendIncomeOperating463.0665.9222.5216.21395.1-153.2228.7432.2-57.7-130.743.8223.441.1-157.3-13.387.8152.2-10.4-79.6235.8322.058.9231.7233.9-55.9-78.4186.7211.642.064.910.262.9-234.71.5-11.7162.3-72.245.03.4-199.6-287.17.546.2-125.7307.1-654.5

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

us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect

us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect


Cash
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value-52.953230-276.479-167.448881-31.917-50.9323946-65.514
Percentage of CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of InterestAndDividendIncomeOperating-41.5183.0-207.4-131.5698.7-24.4-38.330.134.4-50.8

Net Cash Provided By Used In Operating Activities

us-gaap:NetCashProvidedByUsedInOperatingActivities

us-gaap:NetCashProvidedByUsedInOperatingActivities


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value68594860176549564652655670431745293527444429333637265023273519291613342539351627221942439.7628
Percentage of NetCashProvidedByUsedInOperatingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of InterestAndDividendIncomeOperating53.646.936.447.614.149.937.542.534.040.750.844.558.936.515.950.333.941.031.651.753.236.140.943.945.933.163.130.936.647.425.336.719.725.060.543.562.850.821.740.542.936.098.483.121.164.2

Net Income Loss

us-gaap:NetIncomeLoss

us-gaap:NetIncomeLoss


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value555158443614465051454446413915402729302725212625212418212119191314121311118.90214188.6325.779125.2045.0567.916
Percentage of NetIncomeLoss100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of InterestAndDividendIncomeOperating43.241.143.735.129.011.234.738.338.235.634.536.434.633.514.545.130.933.335.431.730.526.232.331.226.829.923.728.027.926.525.516.317.722.223.520.019.212.819.727.616.210.629.110.011.017.9

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

us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncome, us-gaap:AccumulatedDefinedBenefitPlansAdjustment


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-31
Value-0.115-0.115-0.079-0.08-0.079-0.08-0.061-0.062-0.061-0.061-0.062-0.061-0.061-0.061-0.045-0.046-0.045-0.087-0.106-0.107-0.106-0.106-0.061-0.062-0.063-0.028-0.024-0.023-0.024-0.024-0.087-0.059-0.06-0.06
Percentage of NetIncomeLoss-0.2-0.2-0.1-0.2-0.2-0.5-0.1-0.1-0.1-0.1-0.1-0.1-0.1-0.2-0.3-0.1-0.2-0.3-0.3-0.4-0.4-0.5-0.2-0.2-0.3-0.1-0.1-0.1-0.1-0.1-0.4-0.4-0.4-0.5
Percentage of InterestAndDividendIncomeOperating-0.1-0.1-0.1-0.1-0.1-0.1-0.0-0.0-0.0-0.0-0.0-0.0-0.1-0.1-0.0-0.1-0.1-0.1-0.1-0.1-0.1-0.1-0.1-0.1-0.1-0.0-0.0-0.0-0.0-0.0-0.1-0.1-0.1-0.1
Percentage of InterestAndDividendIncomeOperating us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncome us-gaap:AccumulatedDefinedBenefitPlansAdjustment0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncome, us-gaap:AccumulatedGainLossNetCashFlowHedgeParent


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-30
Value1.9981.9772.0072.0521.680.7220.3990.0580.00.00.00.0
Percentage of NetIncomeLoss3.63.83.44.64.64.90.90.10.00.00.00.0
Percentage of InterestAndDividendIncomeOperating1.61.61.51.61.30.60.30.00.00.00.00.0
Percentage of InterestAndDividendIncomeOperating us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncome us-gaap:AccumulatedGainLossNetCashFlowHedgeParent0.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncome, us-gaap:AccumulatedNetUnrealizedInvestmentGainLoss


Net
Period End2021-06-302020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-31
Value0.5860.0280.00.00.1910.00.00.219-1.4170.00.00.0040.078-0.0070.00.00.00.0040.3640.1460.2380.1780.1510.2190.4590.00.0210.1890.1420.00.00.0590.24
Percentage of NetIncomeLoss1.10.00.00.01.30.00.00.4-3.10.00.00.00.2-0.00.00.00.00.01.30.61.10.70.61.01.90.00.10.90.70.00.00.42.0
Percentage of InterestAndDividendIncomeOperating0.50.00.00.00.10.00.00.2-1.10.00.00.00.1-0.00.00.00.00.00.40.20.30.20.20.30.60.00.00.20.20.00.00.10.4
Percentage of InterestAndDividendIncomeOperating us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncome us-gaap:AccumulatedNetUnrealizedInvestmentGainLoss0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:NetIncomeLoss us-gaap:StatementEquityComponents

us-gaap:RetainedEarnings


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value555158443614465051454446413915402729302725212625212418212119191314121311118.90214188.6325.779125.2045.0567.916
Percentage of NetIncomeLoss100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of InterestAndDividendIncomeOperating43.241.143.735.129.011.234.738.338.235.634.536.434.633.514.545.130.933.335.431.730.526.232.331.226.829.923.728.027.926.525.516.317.722.223.520.019.212.819.727.616.210.629.110.011.017.9
Percentage of InterestAndDividendIncomeOperating us-gaap:RetainedEarnings0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Share Based Compensation

us-gaap:ShareBasedCompensation

us-gaap:ShareBasedCompensation


Share
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value3.9083.0282.8193.0092.7372.1722.4442.2992.2432.2852.1232.1482.0192.0641.831.8011.7562.3581.3831.0751.3711.181.1561.0980.9740.8620.8180.8170.5440.680.9630.6010.7290.5510.470.2440.4580.450.4720.40.4280.3350.370.3490.3550.35
Percentage of ShareBasedCompensation100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Net Cash Provided By Used In Investing Activities

us-gaap:NetCashProvidedByUsedInInvestingActivities

us-gaap:NetCashProvidedByUsedInInvestingActivities


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value-711.449-667.715-621.596-503.565-896.857103-405.309-589.2027850-87.38-363.219-150.5639516-13.996-134.206-68.23773-235.763-323.116-63.524-222.531-235.162-62.68997-274.827-148.069-72.118-26.947-102.971-19.269-78.352-80.468-76.57570-15.77930-71.945186-76.636-61.533-74.6635139262
Percentage of NetCashProvidedByUsedInInvestingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of InterestAndDividendIncomeOperating-558.2-529.8-466.3-395.3-710.578.9-304.5-444.658.139.1-67.3-284.7-124.979.815.6-15.5-152.9-77.785.1-271.7-387.9-78.3-268.9-284.5-76.4119.5-344.0-192.0-94.8-36.0-131.5-23.6-95.2-146.9-133.9118.3-25.443.6-96.0273.0-143.8-112.7-172.298.584.5593.5

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
Value2.2820.8051.1823.0482.841.652.6142.2931.7521.7883.0753.2422.9122.0992.1152.4331.6110.3361.8151.5060.7540.4450.232.5460.7734.0321.9552.1473.4534.933.0462.0164.4473.6244.7330.7744.9486.6824.4698.231-0.0732.461322.8561.0440.01
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 End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value5908392962751761-200.515304572-78.092-168.4075628549-187.451-14.45679133-9.161-69.04320426847191193-45.866-63.85314916331487.9651-193.060.809-6.70896-44.867312.552-136.564-153.0544.07120-65.443141-289.86
Percentage of NetCashProvidedByUsedInFinancingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of InterestAndDividendIncomeOperating463.0665.9222.5216.21395.1-153.2228.7432.2-57.7-130.743.8223.441.1-157.3-13.387.8152.2-10.4-79.6235.8322.058.9231.7233.9-55.9-78.4186.7211.642.064.910.262.9-234.71.5-11.7162.3-72.245.03.4-199.6-287.17.546.2-125.7307.1-654.5

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
Value20201919193520203030291919161212121222222121201919171514126.1545.6395.1265.1223.9713.572118.728145.1362.371.9731.1810.3930.3930.3930.282
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 End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value0.00.00.0205.45423192.4320.0170.0330.0522.5750.0530.0310.1762.0390.0120.0210.0591.0330.0270.0050.0930.7810.0170.0040.0790.5220.0380.00.3910.00.00.00.00.00.00.00.00.0320.00.00.00.0
Percentage of PaymentsForRepurchaseOfCommonStock0.00.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.00.00.00.00.00.00.00.00.0100.00.00.00.00.0

Deferred Tax Liabilities

us-gaap:DeferredTaxLiabilities

us-gaap:DeferredTaxLiabilities


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
Value2751242315192323363534
Percentage of DeferredTaxLiabilities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

colb:AllowanceForLoanAndLeaseLossesNetChangesInUnfundedCommitmentsAndLettersOfCreditAllowance

colb:AllowanceForLoanAndLeaseLossesNetChangesInUnfundedCommitmentsAndLettersOfCreditAllowance


Allowance
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-31
Value200000.01500000.0-1300000.0800000.02800000.01000000.0-150000.0-400000.0200000.0-550000.0375000.0275000.0-650000.01200000.0-350000.0-75000.00850000.0-200000.0125000.0-150000.0000275000.00150000.0150000.0-100000.0-50000.0-160000.0200000.0550000.000250000.00130000.075000.00-200000.0495000.0
Percentage of AllowanceForLoanAndLeaseLossesNetChangesInUnfundedCommitmentsAndLettersOfCreditAllowance100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.0100.00.00.00.0100.00.0100.0100.0100.0100.0100.0100.0100.00.00.0100.00.0100.0100.00.0100.0100.0

colb:BasicEarningsAllocatedToCommonShareholders

colb:BasicEarningsAllocatedToCommonShareholders


Basic
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-30
Value545158443614455051454445413915402628302725202625212418212019191314121311118.7714188.555.726122.4523.908
Percentage of BasicEarningsAllocatedToCommonShareholders100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

colb:Cardrevenue

colb:Cardrevenue


Cardrevenue
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-31
Value4.7733.7333.4973.8343.0793.5183.7674.0063.7633.6623.5763.7146.6165.8136.9676.7356.2025.7235.8036.1146.0515.6525.7765.8495.7025.363
Percentage of Cardrevenue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

colb:Changeindividendspayableonunvestedshares

colb:Changeindividendspayableonunvestedshares


Changeindividendspayableonunvestedshares
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-31
Value-73000.0-49000.0184000.0226000.0139000.0157000.0102000.0107000.0131000.014000.013000.06000.0000
Percentage of Changeindividendspayableonunvestedshares100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.00.00.0

colb:Depositaccountandtreasurymanagementfees

colb:Depositaccountandtreasurymanagementfees


Depositaccountandtreasurymanagementfees
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-30
Value6.7016.3586.4816.6586.0927.7888.6659.0159.0358.989.3839.2668.6838.748.0137.6857.396
Percentage of Depositaccountandtreasurymanagementfees100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

colb:DilutedEarningsAllocatedToCommonShareholders

colb:DilutedEarningsAllocatedToCommonShareholders


Diluted
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-09-302016-06-302016-03-312015-09-302015-06-302015-03-312014-09-302014-06-302014-03-312013-09-302013-06-302013-03-312012-09-302012-06-302012-03-312011-09-302011-06-302011-03-312010-09-302010-06-30
Value545144361450514545413940262827252025212421201913141211118.77188.555.7262.4523.908
Percentage of DilutedEarningsAllocatedToCommonShareholders100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

colb:Earningsallocatedtoparticipatingsecuritiesnonvestedrestrictedshares

colb:Earningsallocatedtoparticipatingsecuritiesnonvestedrestrictedshares


Earningsallocatedtoparticipatingsecuritiesnonvestedrestrictedshares
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-30
Value70000.0155000.0225000.0164000.0139000.0249000.0326000.0358000.0378000.0456000.0479000.0504000.0473000.0437000.0176000.0558000.0362000.0397000.0418000.0378000.0343000.0247000.0303000.0296000.0248000.0225000.0182000.0216000.0206000.0169000.0168000.0109000.0124000.0123000.0107000.0113000.0122000.0
Percentage of Earningsallocatedtoparticipatingsecuritiesnonvestedrestrictedshares100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

colb:FairValueNetDerivativeAssetLiabilityMeasuredOnRecurringBasisWithUnobservedInputsReconciliationSalesAndSettlements us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementFrequency, us-gaap:FinancialInstrument

colb:FairValueNetDerivativeAssetLiabilityMeasuredOnRecurringBasisWithUnobservedInputsReconciliationSalesAndSettlements

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


Fair
Period End2021-06-302021-03-31
Value-2474000.0-1881000.0
Percentage of FairValueNetDerivativeAssetLiabilityMeasuredOnRecurringBasisWithUnobservedInputsReconciliationSalesAndSettlements100.0100.0

colb:Financialservicesandtrustrevenue

colb:Financialservicesandtrustrevenue


Financialservicesandtrustrevenue
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-31
Value4.2453.3813.3493.2533.1633.0653.1913.2263.4252.9573.2112.9753.2192.732.9582.6453.0362.8392.9192.7462.782.8212.9393.3163.2173.124
Percentage of Financialservicesandtrustrevenue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

colb:FinancingReceivableAccruedInterestReversedThroughInterestIncome

colb:FinancingReceivableAccruedInterestReversedThroughInterestIncome


Financing
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-30
Value214000.0218000.0146000.0393000.0673000.0788000.0209000.0175000.0662000.0
Percentage of FinancingReceivableAccruedInterestReversedThroughInterestIncome100.0100.0100.0100.0100.0100.0100.0100.0100.0

colb:FinancingReceivableAccruedInterestReversedThroughInterestIncome us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable

us-gaap:CommercialPortfolioSegment


Financing
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value212000.0211000.0137000.0387000.0665000.0783000.0159000.0149000.0623000.0539000.0
Percentage of FinancingReceivableAccruedInterestReversedThroughInterestIncome99.196.893.898.598.899.476.185.194.10.0

us-gaap:ConsumerPortfolioSegment


Financing
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value2000.07000.09000.06000.08000.05000.050000.026000.039000.079000.0
Percentage of FinancingReceivableAccruedInterestReversedThroughInterestIncome0.93.26.21.51.20.623.914.95.90.0

colb:GainOnTerminationOfInterestRateCollar

colb:GainOnTerminationOfInterestRateCollar


Gain
Period End2021-06-302021-03-31
Value0.034
Percentage of GainOnTerminationOfInterestRateCollar0.0100.0

colb:GainOnTerminationOfInterestRateCollar us-gaap:SubsequentEventType

us-gaap:SubsequentEvent


Gain
Period End2020-10-20
Value34
Percentage of GainOnTerminationOfInterestRateCollar0.0

colb:Gainonbankownedlifeinsurancedeathbenefit

colb:Gainonbankownedlifeinsurancedeathbenefit


Gainonbankownedlifeinsurancedeathbenefit
Period End2021-06-302021-03-312019-09-302018-09-302017-09-30
Value0209000.0001035000.0
Percentage of Gainonbankownedlifeinsurancedeathbenefit0.0100.00.00.0100.0

colb:LoanModificationsShortTermDefermentsNotClassifiedAsTDRNetOfUnearnedIncome

colb:LoanModificationsShortTermDefermentsNotClassifiedAsTDRNetOfUnearnedIncome


Loan
Period End2021-06-302021-03-312020-12-31
Value-30.77132
Percentage of LoanModificationsShortTermDefermentsNotClassifiedAsTDRNetOfUnearnedIncome100.0100.0100.0

colb:Loanrevenue

colb:Loanrevenue


Loanrevenue
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-31
Value4.5147.3697.966.6455.6074.593.6253.8553.5962.3892.3443.2823.0543.1862.6633.1542.9893.5932.9542.9492.8022.2622.8073.22.3222.603
Percentage of Loanrevenue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

colb:Netcostbenefitofoperationofotherrealestateowned

colb:Netcostbenefitofoperationofotherrealestateowned


Netcostbenefitofoperationofotherrealestateowned
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-31
Value111000.0-63000.033000.0-160000.0-200000.012000.0-10000.0-90000.0-705000.0113000.0-26000.0485000.0758000.01000.046000.0271000.0-1000.0152000.0612000.0-249000.084000.0104000.0-60000.0240000.0-563000.0-1246000.0
Percentage of Netcostbenefitofoperationofotherrealestateowned100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

colb:NetgainlossonsaleandvaluationadjustmentsofOREO

colb:NetgainlossonsaleandvaluationadjustmentsofOREO


Netgainlossonsaleandvaluationadjustmentsof
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-31
Value-140000.0100000.082000.0-18000.0095000.0716000.0-209000.0-496000.0-668000.0-135000.0
Percentage of NetgainlossonsaleandvaluationadjustmentsofOREO100.0100.0100.0100.00.0100.0100.0100.0100.0100.0100.0

colb:Noninterestincomeexcludingrevenuefromcontractswithcustomers

colb:Noninterestincomeexcludingrevenuefromcontractswithcustomers


Noninterestincomeexcludingrevenuefromcontractswithcustomers
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value7.0119.694108.727246.8366.184119.4256.0974.2325.0645.1745.86
Percentage of Noninterestincomeexcludingrevenuefromcontractswithcustomers100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

colb:RealEstateAcquiredThroughForeclosureTransfersInNetOfWriteDowns

colb:RealEstateAcquiredThroughForeclosureTransfersInNetOfWriteDowns


Real
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-31
Value0.00.4750.5580.00.00.00.00.3860.00.7940.00.4060.0320.0740.00.0-0.1550.8910.2060.105-0.0630.9153.1434.6921.271.0892.095.751
Percentage of RealEstateAcquiredThroughForeclosureTransfersInNetOfWriteDowns0.0100.0100.00.00.00.00.0100.00.0100.00.0100.0100.0100.00.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

colb:Revenuefromcontractswithcustomers

colb:Revenuefromcontractswithcustomers


Revenuefromcontractswithcustomers
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value1513131312141516161516151817
Percentage of Revenuefromcontractswithcustomers100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

colb:SecuritiesTransferFromAFSToHTMFairValue us-gaap:FinancialInstrument

colb:SecuritiesTransferFromAFSToHTMFairValue

colb:USGovernmentAgencyAndGovernmentSponsoredEnterpriseMortgageBackedSecuritiesAndCollateralizedMortgageObligations


Securities
Period End2021-06-30
Value2009
Percentage of SecuritiesTransferFromAFSToHTMFairValue100.0

colb:StockAdjustmentValueDeferredCompensation

colb:StockAdjustmentValueDeferredCompensation


Stock
Period End2021-06-302020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302018-12-312018-09-302018-06-302018-03-312014-12-312014-09-302013-12-31
Value-8000.00-2000.01000.03000.01000.01000.01000.001000.03000.03000.0-2000.02000.00
Percentage of StockAdjustmentValueDeferredCompensation100.00.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.0100.0100.00.0

colb:StockAdjustmentValueDeferredCompensation us-gaap:StatementEquityComponents

us-gaap:CommonStock


Stock
Period End2021-06-302020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302018-12-312018-09-302018-06-302018-03-312014-09-30
Value-8000.00-2000.01000.03000.01000.01000.01000.001000.03000.03000.00
Percentage of StockAdjustmentValueDeferredCompensation100.00.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.00.0

colb:TaxesLicensesAndFees

colb:TaxesLicensesAndFees


Taxes
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value1490000.01259000.01559000.01244000.0624000.01325000.01411000.01876000.01514000.01562000.01560000.01425000.01279000.01505000.0748000.01241000.01106000.01491000.01298000.01290000.01392000.01344000.01427000.01232000.01165000.01156000.01051000.01180000.0996000.01446000.01204000.01387000.01142000.01124000.01115000.01355000.01463000.01211000.0907000.0865000.0803000.0803000.0688000.0564000.0
Percentage of TaxesLicensesAndFees100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

colb:TransferOtherRealEstateWriteDown

colb:TransferOtherRealEstateWriteDown


Transfer
Period End2021-06-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-31
Value140000.000000195000.01000.0495000.0110000.092000.00138000.033000.0193000.0570000.014000.0139000.0137000.0529000.0664000.0596000.0197000.0819000.0667000.0974000.01580000.0
Percentage of TransferOtherRealEstateWriteDown100.00.00.00.00.00.0100.0100.0100.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

colb:UnrealizedGainOnAFSSecuritiesTransferredToHTMNetOfTax us-gaap:FinancialInstrument

colb:UnrealizedGainOnAFSSecuritiesTransferredToHTMNetOfTax

colb:USGovernmentAgencyAndGovernmentSponsoredEnterpriseMortgageBackedSecuritiesAndCollateralizedMortgageObligations


Unrealized
Period End2021-06-30
Value15
Percentage of UnrealizedGainOnAFSSecuritiesTransferredToHTMNetOfTax100.0

us-gaap:AdvertisingExpense

us-gaap:AdvertisingExpense


Advertising
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value588000.0760000.01644000.0680000.0837000.01305000.01329000.01752000.0870000.0974000.01061000.01472000.01622000.01429000.01543000.0969000.01137000.0817000.0720000.01993000.01043000.0842000.01233000.01354000.01195000.0931000.01218000.01027000.0950000.0769000.0895000.01165000.01160000.0870000.0308000.01341000.01119000.0882000.0636000.01137000.01012000.0901000.0828000.0630000.0785000.0838000.0
Percentage of AdvertisingExpense100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:AvailableForSaleSecuritiesGrossRealizedGainLossNet

us-gaap:AvailableForSaleSecuritiesGrossRealizedGainLossNet


Available
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-31
Value0.0360.0160.2490.00.00.2851.847-0.016-0.062-0.0330.022-0.0110.00.00.00.0070.5720.2290.3730.2810.2360.3430.7210.00.0330.2960.2230.00.00.0920.373.6710.00.00.0620.1340.00.00.0
Percentage of AvailableForSaleSecuritiesGrossRealizedGainLossNet100.00.0100.0100.00.00.0100.0100.0100.0100.0100.0100.0100.00.00.00.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.00.00.0100.0100.0100.00.00.0100.0100.00.00.00.0

us-gaap:AvailableForSaleSecuritiesGrossRealizedGainLossNet us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncome, us-gaap:StatementEquityComponents

us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncome, us-gaap:AccumulatedNetUnrealizedInvestmentGainLoss


Available
Period End2021-06-302020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-31
Value0.3140.0360.00.00.2490.00.00.285-1.8470.00.00.0050.102-0.0110.00.00.00.0070.5720.2290.3730.2810.2360.3430.7210.00.0330.2960.2230.00.00.0920.37
Percentage of AvailableForSaleSecuritiesGrossRealizedGainLossNet0.0100.00.00.0100.00.00.0100.0-100.0-0.0-0.0-15.2463.6100.00.00.00.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.00.00.0100.0100.0

us-gaap:AvailableForSaleSecuritiesGrossRealizedGains

us-gaap:AvailableForSaleSecuritiesGrossRealizedGains


Available
Period End2021-06-302020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-30
Value751000.036000.000435000.0001510000.01847000.00087000.0148000.0111000.00007000.0572000.0229000.0373000.0281000.0236000.0343000.0730000.01000.033000.0296000.0223000.000
Percentage of AvailableForSaleSecuritiesGrossRealizedGains100.0100.00.00.0100.00.00.0100.0100.00.00.0100.0100.0100.00.00.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.00.0

us-gaap:AvailableForSaleSecuritiesGrossRealizedLosses

us-gaap:AvailableForSaleSecuritiesGrossRealizedLosses


Available
Period End2021-06-302020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-30
Value437000.0000186000.0001225000.000083000.046000.0122000.000000000009000.01000.000000
Percentage of AvailableForSaleSecuritiesGrossRealizedLosses100.00.00.00.0100.00.00.0100.00.00.00.0100.0100.0100.00.00.00.00.00.00.00.00.00.00.0100.0100.00.00.00.00.00.0

us-gaap:BankOwnedLifeInsuranceIncome

us-gaap:BankOwnedLifeInsuranceIncome


Bank
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value1635000.01560000.01619000.01585000.01618000.01596000.01650000.01528000.01597000.01519000.01467000.01402000.01712000.01426000.01377000.01290000.01433000.01280000.01087000.01073000.01270000.01116000.01071000.01086000.01206000.01078000.0926000.0956000.0976000.0965000.0960000.0904000.01008000.0698000.0684000.0747000.0719000.0711000.0632000.0523000.0528000.0505000.0500000.0521000.0516000.0504000.0
Percentage of BankOwnedLifeInsuranceIncome100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:CapitalExpendituresIncurredButNotYetPaid

us-gaap:CapitalExpendituresIncurredButNotYetPaid


Capital
Period End2021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value43000.01000.0292000.0-229000.0238000.0299000.096000.021000.035000.0-269000.0424000.040000.0000
Percentage of CapitalExpendituresIncurredButNotYetPaid100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.00.00.0

us-gaap:CommonStockDividendsPerShareCashPaid

us-gaap:CommonStockDividendsPerShareCashPaid


Common
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-08-252011-08-242011-09-302011-05-262011-05-252011-06-302011-03-042011-03-032011-03-312010-12-312010-09-302010-06-302010-03-31
Value0.280.280.280.280.280.50.280.280.420.420.40.260.260.220.220.220.220.220.390.390.370.380.360.340.340.30.30.280.240.120.110.10.10.10.090.30.220.370.130.060.060.060.050.050.050.030.030.030.010.010.010.01
Percentage of CommonStockDividendsPerShareCashPaid100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:CommonStockDividendsPerShareDeclared

us-gaap:CommonStockDividendsPerShareDeclared


Common
Period End2021-04-292021-01-282020-10-292020-07-232020-04-302020-01-232019-10-242019-07-252019-04-252019-01-242018-10-252018-07-252018-04-252018-01-252017-10-192017-07-272017-04-272017-01-262016-10-272016-07-282016-04-272016-01-282015-10-292015-07-232015-04-222015-01-292014-10-232014-07-232014-04-232014-01-232013-10-242013-07-262013-04-252013-01-242012-10-252012-07-262012-04-252012-01-262011-10-272011-07-282011-04-272011-02-03
Value0.280.280.280.280.280.280.280.280.280.280.260.260.260.220.220.220.220.220.20.20.190.180.180.180.180.160.160.140.120.120.110.10.10.10.090.090.080.080.080.060.050.03
Percentage of CommonStockDividendsPerShareDeclared100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:CommonStockDividendsPerShareDeclared us-gaap:SubsequentEventType

us-gaap:SubsequentEvent


Common
Period End2021-07-292021-04-292021-01-282020-10-292020-07-232020-04-302020-01-232019-10-242019-07-252019-04-252019-01-242018-10-252018-07-252018-04-252018-01-252017-10-192017-07-272017-04-272017-01-262016-10-272016-07-28
Value0.280.280.280.280.280.280.280.280.280.280.280.260.260.260.220.220.220.220.220.20.2
Percentage of CommonStockDividendsPerShareDeclared0.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:CommunicationsAndInformationTechnology

us-gaap:CommunicationsAndInformationTechnology


Communications
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value7.4028.4514.5664.515.4544.844.7925.1024.6014.6695.2784.4665.2215.275.1344.1224.7414.2084.1384.2753.9294.1464.3993.7964.2424.9843.94.2693.683.523.5734.2853.6382.582.4512.4992.5512.2132.4522.1951.9131.9241.8462.4772.5671.879
Percentage of CommunicationsAndInformationTechnology100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DepreciationAmortizationAndAccretionNet

us-gaap:DepreciationAmortizationAndAccretionNet


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
Value5.6231.4330.4374.074-2.769138.0638.8529.1168.1827.1649.0199.177.6189.6187.5157.8946.0746.7468.8988.1108.427.2626.8957.735224.8998.0858.972107.6899.512131115141643-4.2883.1263.7741.2474.0213.1812.903
Percentage of DepreciationAmortizationAndAccretionNet100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DividendsCommonStockCash

us-gaap:DividendsCommonStockCash


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
Value20202020203620203030291919161212121222222121201919171514126.1545.6395.1265.1223.9713.572118.728145.1362.371.9731.1810.3930.3930.3930.282
Percentage of DividendsCommonStockCash100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DividendsCommonStockCash us-gaap:StatementEquityComponents

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
Value20202020203620203030291919161212121222222121201919171514126.1545.6395.1265.1223.9713.572118.728145.1362.371.9731.1810.3930.3930.3930.282
Percentage of DividendsCommonStockCash100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:EquitySecuritiesFvNiGainLoss

us-gaap:EquitySecuritiesFvNiGainLoss


Equity
Period End2020-12-312020-09-302020-06-302019-06-30
Value0.00.0160.0
Percentage of EquitySecuritiesFvNiGainLoss0.00.0100.00.0

us-gaap:EquitySecuritiesFvNiRealizedGainLoss

us-gaap:EquitySecuritiesFvNiRealizedGainLoss


Equity
Period End2020-12-312020-09-302020-06-302019-06-30
Value00-3000000.00
Percentage of EquitySecuritiesFvNiRealizedGainLoss0.00.0100.00.0

us-gaap:EquitySecuritiesFvNiUnrealizedGainLoss

us-gaap:EquitySecuritiesFvNiUnrealizedGainLoss


Equity
Period End2020-12-312020-09-302020-06-302019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-30
Value0.00.0130.00.00.0-0.062-0.037-0.080.00.0
Percentage of EquitySecuritiesFvNiUnrealizedGainLoss0.00.0100.00.00.00.0100.0100.0100.00.00.0

us-gaap:EquitySecuritiesWithoutReadilyDeterminableFairValueUpwardPriceAdjustmentAnnualAmount

us-gaap:EquitySecuritiesWithoutReadilyDeterminableFairValueUpwardPriceAdjustmentAnnualAmount


Equity
Period End2020-12-312020-09-302020-06-302019-06-30
Value0.00.0130.0
Percentage of EquitySecuritiesWithoutReadilyDeterminableFairValueUpwardPriceAdjustmentAnnualAmount0.00.0100.00.0

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

us-gaap:FairValueNetDerivativeAssetLiabilityMeasuredOnRecurringBasisUnobservableInputsReconciliationGainLossIncludedInEarnings

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


Fair
Period End2021-06-302021-03-31
Value2134000.01710000.0
Percentage of FairValueNetDerivativeAssetLiabilityMeasuredOnRecurringBasisUnobservableInputsReconciliationGainLossIncludedInEarnings100.0100.0

us-gaap:FairValueOptionChangesInFairValueGainLoss1

us-gaap:FairValueOptionChangesInFairValueGainLoss1


Fair
Period End2021-06-302021-03-31
Value-0.0570.088
Percentage of FairValueOptionChangesInFairValueGainLoss1100.0100.0

us-gaap:FairValueOptionChangesInFairValueGainLoss1 us-gaap:FairValueByMeasurementFrequency, us-gaap:FinancialInstrument

us-gaap:FairValueMeasurementsNonrecurring, colb:CollateraldependentloansDomain


Fair
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value0.3830.722-13.641-0.153-6.9465.138-10.8181.722-2.1242.597
Percentage of FairValueOptionChangesInFairValueGainLoss1-671.9820.50.00.00.00.00.00.00.00.0

us-gaap:FairValueMeasurementsNonrecurring, colb:OtherRealEstateOwned


Fair
Period End2021-06-302019-03-312018-09-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-30
Value0.140.1950.4450.051-0.3770.1380.0330.193-0.318-0.0140.1380.137-0.287-0.6460.611
Percentage of FairValueOptionChangesInFairValueGainLoss1-245.60.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:FederalDepositInsuranceCorporationPremiumExpense

us-gaap:FederalDepositInsuranceCorporationPremiumExpense


Federal
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value1112000.01105000.01062000.0826000.01034000.034000.018000.0-38000.0956000.0984000.0932000.0904000.0937000.0937000.0884000.0782000.0741000.0776000.0792000.0776000.01068000.01141000.01180000.01084000.01321000.01221000.01105000.01195000.01073000.01176000.01300000.01372000.01177000.0857000.0824000.0775000.0925000.0860000.0784000.0574000.01279000.02195000.01575000.01952000.01462000.01496000.0
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:FinancingReceivableAllowanceForCreditLossesPeriodIncreaseDecrease

us-gaap:FinancingReceivableAllowanceForCreditLossesPeriodIncreaseDecrease


Financing
Period End2021-06-302021-03-312020-09-30
Value-6.2-0.84673
Percentage of FinancingReceivableAllowanceForCreditLossesPeriodIncreaseDecrease100.0100.0100.0

us-gaap:FinancingReceivableAllowanceForCreditLossesRecovery

us-gaap:FinancingReceivableAllowanceForCreditLossesRecovery


Financing
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value2.1343.420.9532.6041.6121.7633.2625.2162.3121.531
Percentage of FinancingReceivableAllowanceForCreditLossesRecovery100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:FinancingReceivableAllowanceForCreditLossesRecovery us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable

colb:Agriculture


Financing
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value0.0050.0120.1030.0270.0010.0410.110.0670.0640.058
Percentage of FinancingReceivableAllowanceForCreditLossesRecovery0.20.410.81.00.12.33.41.32.83.8

colb:CommercialBusiness


Financing
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value0.8743.2140.6431.1240.8110.861.6980.3490.4920.527
Percentage of FinancingReceivableAllowanceForCreditLossesRecovery41.094.067.543.250.348.852.16.721.334.4

colb:OneToFourFamilyResidential


Financing
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value0.5030.0510.0781.3010.4220.2820.5490.440.450.334
Percentage of FinancingReceivableAllowanceForCreditLossesRecovery23.61.58.250.026.216.016.88.419.521.8

us-gaap:CommercialRealEstate


Financing
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value0.0160.0360.0390.0650.0130.0140.5761.7310.5560.514
Percentage of FinancingReceivableAllowanceForCreditLossesRecovery0.71.14.12.50.80.817.733.224.033.6

us-gaap:Construction


Financing
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value0.5210.0460.0210.0110.2350.4420.3122.5550.6910.083
Percentage of FinancingReceivableAllowanceForCreditLossesRecovery24.41.32.20.414.625.19.649.029.95.4

us-gaap:ConsumerLoan


Financing
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value0.2150.0610.0690.0760.130.1240.0170.0740.0590.015
Percentage of FinancingReceivableAllowanceForCreditLossesRecovery10.11.87.22.98.17.00.51.42.61.0

us-gaap:FinancingReceivableAllowanceForCreditLossesWriteOffs

us-gaap:FinancingReceivableAllowanceForCreditLossesWriteOffs


Financing
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value1.943.4664.0814.5825.646.7893.5683.3725.2872.988
Percentage of FinancingReceivableAllowanceForCreditLossesWriteOffs100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:FinancingReceivableAllowanceForCreditLossesWriteOffs us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable

colb:Agriculture


Financing
Period End2021-06-302020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value0.1220.4321.2690.04.7260.0510.0550.0610.078
Percentage of FinancingReceivableAllowanceForCreditLossesWriteOffs6.310.627.70.069.61.41.61.22.6

colb:CommercialBusiness


Financing
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value0.9713.3392.1063.1645.4421.6842.8452.6234.3161.506
Percentage of FinancingReceivableAllowanceForCreditLossesWriteOffs50.196.351.669.196.524.879.777.881.650.4

colb:OneToFourFamilyResidential


Financing
Period End2021-06-302020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value0.1460.0580.0160.00.010.1920.2020.3210.481
Percentage of FinancingReceivableAllowanceForCreditLossesWriteOffs7.51.40.30.00.15.46.06.116.1

us-gaap:CommercialRealEstate


Financing
Period End2021-06-302020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value0.3161.3180.00.00.1010.4520.4660.5640.678
Percentage of FinancingReceivableAllowanceForCreditLossesWriteOffs16.332.30.00.01.512.713.810.722.7

us-gaap:ConsumerLoan


Financing
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value0.3850.1270.1670.1330.1980.2680.0180.0090.0050.05
Percentage of FinancingReceivableAllowanceForCreditLossesWriteOffs19.83.74.12.93.53.90.50.30.11.7

us-gaap:FinancingReceivableModificationsNumberOfContracts2

us-gaap:FinancingReceivableModificationsNumberOfContracts2


Financing
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value4.010.01.09.05.04.03.011.07.03.0
Percentage of FinancingReceivableModificationsNumberOfContracts2100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:FinancingReceivableModificationsNumberOfContracts2 us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable

colb:Agriculture


Financing
Period End2020-12-312020-09-302020-06-302020-03-312019-06-302019-03-31
Value01.001.000
Percentage of FinancingReceivableModificationsNumberOfContracts20.011.10.025.00.00.0

colb:CommercialBusiness


Financing
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value4.07.01.04.04.02.005.03.02.0
Percentage of FinancingReceivableModificationsNumberOfContracts2100.070.0100.044.480.050.00.045.542.966.7

colb:OneToFourFamilyResidential


Financing
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value02.004.01.01.03.05.04.01.0
Percentage of FinancingReceivableModificationsNumberOfContracts20.020.00.044.420.025.0100.045.557.133.3

us-gaap:CommercialRealEstate


Financing
Period End2021-06-302021-03-31
Value01.0
Percentage of FinancingReceivableModificationsNumberOfContracts20.010.0

us-gaap:FinancingReceivableModificationsPostModificationRecordedInvestment2

us-gaap:FinancingReceivableModificationsPostModificationRecordedInvestment2


Financing
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value1.7571.6110.54.0131.8181.2350.0955.3841.0360.833
Percentage of FinancingReceivableModificationsPostModificationRecordedInvestment2100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:FinancingReceivableModificationsPostModificationRecordedInvestment2 us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable

colb:Agriculture


Financing
Period End2020-12-312020-09-302020-06-302020-03-312019-06-302019-03-31
Value0.02.60.00.8950.00.0
Percentage of FinancingReceivableModificationsPostModificationRecordedInvestment20.064.80.072.50.00.0

colb:CommercialBusiness


Financing
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value1.7570.8430.50.7951.690.2720.05.0260.9180.616
Percentage of FinancingReceivableModificationsPostModificationRecordedInvestment2100.052.3100.019.893.022.00.093.488.673.9

colb:OneToFourFamilyResidential


Financing
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value0.00.140.00.6180.1280.0680.0950.3570.1180.217
Percentage of FinancingReceivableModificationsPostModificationRecordedInvestment20.08.70.015.47.05.5100.06.611.426.1

us-gaap:CommercialRealEstate


Financing
Period End2021-06-302021-03-31
Value0.00.628
Percentage of FinancingReceivableModificationsPostModificationRecordedInvestment20.039.0

us-gaap:FinancingReceivableModificationsPreModificationRecordedInvestment2

us-gaap:FinancingReceivableModificationsPreModificationRecordedInvestment2


Financing
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value1.7571.6110.54.0131.8181.2350.0955.3841.0360.833
Percentage of FinancingReceivableModificationsPreModificationRecordedInvestment2100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:FinancingReceivableModificationsPreModificationRecordedInvestment2 us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable

colb:Agriculture


Financing
Period End2020-12-312020-09-302020-06-302020-03-312019-06-302019-03-31
Value0.02.60.00.8950.00.0
Percentage of FinancingReceivableModificationsPreModificationRecordedInvestment20.064.80.072.50.00.0

colb:CommercialBusiness


Financing
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value1.7570.8430.50.7951.690.2720.05.0260.9180.616
Percentage of FinancingReceivableModificationsPreModificationRecordedInvestment2100.052.3100.019.893.022.00.093.488.673.9

colb:OneToFourFamilyResidential


Financing
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value0.00.140.00.6180.1280.0680.0950.3570.1180.217
Percentage of FinancingReceivableModificationsPreModificationRecordedInvestment20.08.70.015.47.05.5100.06.611.426.1

us-gaap:CommercialRealEstate


Financing
Period End2021-06-302021-03-31
Value0.00.628
Percentage of FinancingReceivableModificationsPreModificationRecordedInvestment20.039.0

us-gaap:GainLossOnDerivativeInstrumentsNetPretax us-gaap:DerivativeInstrumentRisk, us-gaap:FinancialInstrument, us-gaap:HedgingDesignation

us-gaap:GainLossOnDerivativeInstrumentsNetPretax

us-gaap:InterestRateContract, colb:ForwardSalesContracts, us-gaap:Nondesignated


Gain
Period End2021-06-302021-03-31
Value-527000.0670000.0
Percentage of GainLossOnDerivativeInstrumentsNetPretax100.0100.0

us-gaap:InterestRateContract, us-gaap:InterestRateLockCommitments, us-gaap:Nondesignated


Gain
Period End2021-06-302021-03-31
Value-340000.0-171000.0
Percentage of GainLossOnDerivativeInstrumentsNetPretax64.5-25.5

us-gaap:InterestRateContract, us-gaap:InterestRateSwap, us-gaap:Nondesignated


Gain
Period End2021-06-302021-03-312020-06-30
Value-40000.0112000.0-473000.0
Percentage of GainLossOnDerivativeInstrumentsNetPretax7.616.70.0

us-gaap:GainLossOnDerivativeInstrumentsNetPretax us-gaap:DerivativeInstrumentRisk, us-gaap:HedgingDesignation

us-gaap:InterestRateContract, us-gaap:Nondesignated


Gain
Period End2020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-31
Value-2000.0-473000.000-2000.001000.02000.06000.0
Percentage of GainLossOnDerivativeInstrumentsNetPretax0.00.00.00.00.00.00.00.00.0

us-gaap:GainLossOnDerivativeInstrumentsNetPretax us-gaap:HedgingDesignation

us-gaap:Nondesignated


Gain
Period End2021-06-302021-03-312020-06-30
Value-907000.0611000.0-473000.0
Percentage of GainLossOnDerivativeInstrumentsNetPretax172.191.20.0

us-gaap:GainLossOnSaleOfOtherAssets

us-gaap:GainLossOnSaleOfOtherAssets


Gain
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value285000.0-6000.0381000.0248000.0680000.025000.0530000.06121000.0667000.0-1000.0-174000.0-1000.0-771000.0630000.0-50000.013000.0231000.0-55000.029000.0-16000.0-64000.0-106000.0-814000.0-48000.0-17000.0306000.02000.0-113000.0-445000.0-8000.0-59000.034000.0-7000.080000.0421000.0-6000.020000.021000.0-92000.010000.003000.017000.02000.0014000.0
Percentage of GainLossOnSaleOfOtherAssets100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.00.0100.0

us-gaap:GainsLossesOnSalesOfOtherRealEstate

us-gaap:GainsLossesOnSalesOfOtherRealEstate


Gains
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value0.00.10.040.082-0.0180.00.00.0950.716-0.0140.082-0.001-0.558-0.043-0.006-0.130.016-0.0110.0420.0730.0690.0470.8830.2631.2551.7360.9541.9831.3111.6591.7942.4543.5042.7873.032.3273.3232.9542.2411.6148.167-2.7121.7261.8831.4990.145
Percentage of GainsLossesOnSalesOfOtherRealEstate0.0100.0100.0100.0100.00.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:IncreaseDecreaseInDeposits

us-gaap:IncreaseDecreaseInDeposits


Increase
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value5778972694682318128-170.935644-157.377-89.027-145.742220-11.425-136.46671269-16.355291.62338476158124270-30.592150-56.474281-59.3478410201-182.0854.454103108-34.6284911-80.795-143.858.9442021-86.218-258.862
Percentage of IncreaseDecreaseInDeposits100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:IncreaseDecreaseInFederalFundsPurchasedAndSecuritiesSoldUnderAgreementsToRepurchaseNet

us-gaap:IncreaseDecreaseInFederalFundsPurchasedAndSecuritiesSoldUnderAgreementsToRepurchaseNet


Increase
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-31
Value32-35.23546-24.51322-35.18539-25.73727-38.076231521-54.81236-24.96218-33.90811-20.02915-25.8626-19.048-4.622-8.228210.00.00.0
Percentage of IncreaseDecreaseInFederalFundsPurchasedAndSecuritiesSoldUnderAgreementsToRepurchaseNet100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.00.00.0

us-gaap:IncreaseDecreaseInInterestAndDividendsReceivable

us-gaap:IncreaseDecreaseInInterestAndDividendsReceivable


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-0.32-2.164-1.887-2.43114-2.262-1.6641.6250.0431.512-3.1535.3711.310.914-3.1095.307-0.4891.271-1.5321.8680.4341.427-2.6093.003-1.6051.286-2.1483.115-1.4171.394-1.9080.9966.7972.053-2.3191.027-0.4770.75-2.1411.4443.665-1.725-0.277-3.7260.131-0.6
Percentage of IncreaseDecreaseInInterestAndDividendsReceivable100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:IncreaseDecreaseInInterestPayableNet

us-gaap:IncreaseDecreaseInInterestPayableNet


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-543000.0494000.0-534000.0-180000.0-2544000.02325000.00-976000.0454000.01154000.0-454000.0654000.0-488000.0452000.0152000.0-56000.044000.0-9000.0-9000.0-10000.0-19000.0-55000.0-6000.0-31000.0-26000.0-79000.0150000.0-41000.0-7000.0-13000.0-34000.0-76000.028000.0-40000.0-255000.0-99000.0-127000.0-148000.0-177000.0-225000.0250000.0-251000.0-159000.0-166000.0-314000.0-145000.0
Percentage of IncreaseDecreaseInInterestPayableNet100.0100.0100.0100.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:IncreaseDecreaseInMortgageLoansHeldForSale

us-gaap:IncreaseDecreaseInMortgageLoansHeldForSale


Increase
Period End2021-06-302021-03-31
Value-56000.0-89000.0
Percentage of IncreaseDecreaseInMortgageLoansHeldForSale100.0100.0

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
Value-1.058-11.525-5.457-39.9233063-8.37615115.244-4.7758.966-3.837-2.5328-9.3463.8232.1648.203-0.1044.0873.7313.8013.197-6.114.531-1.0888.6292.652-5.7145.194.48-3.093-3.192-3.11-2.2016.2581.16625-4.59912-13.736-18.675.9020.842-6.493
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
Value-4.073-10.6271.088-44.7973144-15.398216.3812.1791.0177.67912-15.014-7.936.606-5.389-3.841-4.6713.60714-4.619-12.2547.72-0.3883.68-11.8689.338-1.94-0.649-8.22210-0.923-11.7397.661.0643.458-8.403113.653-1.279-0.766-14.237105.0386.289
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
Value12712613312712613013313213512812912712011910890878786868381828282817977767478818254575962697468535443524644
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:InterestExpenseDeposits

us-gaap:InterestExpenseDeposits


Interest
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value1.4261.4851.6262.0052.0943.6425.8096.8634.9764.4983.8313.1932.5722.5092.0221.0830.9080.7870.7820.8230.7870.7420.7330.7560.740.7480.8110.7130.7290.7520.890.9291.0541.0891.2081.3391.5611.7791.9092.6422.8483.0793.4514.0074.3344.941
Percentage of InterestExpenseDeposits100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:InterestExpenseFederalHomeLoanBankAndFederalReserveBankAdvancesLongTerm

us-gaap:InterestExpenseFederalHomeLoanBankAndFederalReserveBankAdvancesLongTerm


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
Value0.0720.0720.0730.1661.7964.2291.8992.5694.7082.6851.3990.9660.8150.570.0990.1630.5910.2250.0770.2290.2410.1240.0830.0780.1540.1590.0870.080.1150.1140.0890.135-0.6990.0710.3790.7450.7340.750.7650.8070.7140.6940.710.7160.710.705
Percentage of InterestExpenseFederalHomeLoanBankAndFederalReserveBankAdvancesLongTerm100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:InterestExpenseOtherShortTermBorrowings

us-gaap:InterestExpenseOtherShortTermBorrowings


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
Value19000.023000.018000.019000.023000.0136000.0117000.0183000.0154000.0215000.0216000.0152000.020000.0116000.0192000.0128000.0126000.0129000.0138000.0134000.0135000.0138000.0134000.0137000.0136000.0146000.0235000.0120000.0119000.0119000.0119000.0120000.0376000.0119000.0121000.0120000.0118000.0120000.0121000.0120000.0119000.0138000.0132000.0121000.0118000.0118000.0
Percentage of InterestExpenseOtherShortTermBorrowings100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:InterestExpenseSubordinatedNotesAndDebentures

us-gaap:InterestExpenseSubordinatedNotesAndDebentures


Interest
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value468000.0468000.0467000.0468000.0468000.0468000.0467000.0468000.0468000.0468000.0467000.0468000.0468000.0468000.0304000.0000
Percentage of InterestExpenseSubordinatedNotesAndDebentures100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.00.00.0

us-gaap:InterestIncomeDepositsWithFinancialInstitutions

us-gaap:InterestIncomeDepositsWithFinancialInstitutions


Interest
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-30
Value159000.0152000.0181000.0203000.0136000.0141000.0153000.0864000.0207000.088000.0102000.0104000.0151000.0345000.0545000.0226000.023000.019000.0135000.015000.028000.038000.025000.031000.026000.027000.074000.061000.030000.014000.065000.056000.0
Percentage of InterestIncomeDepositsWithFinancialInstitutions100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

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
Value130124135117888012312212411912211911210910289828385837874797878797775737280777953505844467163445029372723
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:InterestIncomeSecuritiesTaxExempt

us-gaap:InterestIncomeSecuritiesTaxExempt


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
Value2.8262.7592.6682.342.2572.3022.4982.5562.7122.9693.0053.0693.0633.0642.922.7182.7162.6912.7242.7992.7952.8032.872.923.013.0422.9172.6242.6712.6182.5482.4832.5082.2982.4992.4222.4952.5252.6592.52.5162.4672.362.2522.292.446
Percentage of InterestIncomeSecuritiesTaxExempt100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:InterestIncomeSecuritiesTaxable

us-gaap:InterestIncomeSecuritiesTaxable


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
Value24222319182120161517161411129.4878.7189.468109.3338.9888.8298.0178.5167.4727.267.5267.0758.5456.3826.7526.44.9354.894.2343.8624.2184.9515.2455.1696.0376.2474.4174.1634.664.7084.745
Percentage of InterestIncomeSecuritiesTaxable100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:InterestRateCashFlowHedgeGainLossReclassifiedToEarningsNet us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncome, us-gaap:StatementEquityComponents

us-gaap:InterestRateCashFlowHedgeGainLossReclassifiedToEarningsNet

us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncome, us-gaap:AccumulatedGainLossNetCashFlowHedgeParent


Interest
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-30
Value2602000.02576000.02615000.02673000.02190000.0940000.0519000.076000.00000
Percentage of InterestRateCashFlowHedgeGainLossReclassifiedToEarningsNet100.0100.0100.0100.0100.0100.0100.0100.00.00.00.00.0

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
Value53515355465454545252514948505039384038383736363538393532313134333521202120212121191817171716
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:LaborAndRelatedExpense us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncome, us-gaap:StatementEquityComponents

us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncome, us-gaap:AccumulatedDefinedBenefitPlansAdjustment


Labor
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-31
Value-0.149-0.15-0.103-0.104-0.103-0.104-0.079-0.081-0.08-0.08-0.08-0.08-0.08-0.08-0.071-0.072-0.071-0.136-0.167-0.167-0.167-0.167-0.096-0.097-0.098-0.044-0.038-0.036-0.037-0.037-0.124-0.092-0.092-0.092
Percentage of LaborAndRelatedExpense-0.3-0.3-0.2-0.2-0.2-0.2-0.1-0.1-0.2-0.2-0.2-0.2-0.2-0.2-0.1-0.2-0.2-0.3-0.4-0.4-0.4-0.5-0.3-0.3-0.3-0.1-0.1-0.1-0.1-0.1-0.4-0.3-0.3-0.4

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
Value84838485808486878684878284858567686865676365666468666459575763646438374039444139373734333433
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
Value222323223721212825212021232323372424222321202422212215151414107.6226.8081.6586.567-0.911119.574-9.6022.1963.542-5.419155.1831318
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 End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value0.5480.7650.620.4971.2750.4010.9096.43.9470.3420.4370.4420.4411.2261.6141.5580.9882.3920.7460.2420.4330.4347.0064.4973.1933.9093.0273.3992.5752.8332.5053.1173.2721.6282.1291.631.7461.2741.1521.7551.1580.9291.2270.6290.9670.93
Percentage of NoninterestIncomeOther100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

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
Value9.0389.0069.278.7348.8129.1979.018.6458.7128.8098.8588.3219.276109.5548.0857.5777.1917.698.2197.65210108.1018.6877.9938.0247.4458.5878.244119.2647.5434.7534.7214.8865.0915.3335.3634.8154.3884.3974.264.2784.3073.969
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:OciDebtSecuritiesAvailableForSaleTransferToHeldToMaturityAdjustmentFromAociForAmortizationOfGainLossAfterTax

us-gaap:OciDebtSecuritiesAvailableForSaleTransferToHeldToMaturityAdjustmentFromAociForAmortizationOfGainLossAfterTax


Oci
Period End2021-06-30
Value345000.0
Percentage of OciDebtSecuritiesAvailableForSaleTransferToHeldToMaturityAdjustmentFromAociForAmortizationOfGainLossAfterTax100.0

us-gaap:OciDebtSecuritiesAvailableForSaleTransferToHeldToMaturityAdjustmentFromAociForAmortizationOfGainLossTax

us-gaap:OciDebtSecuritiesAvailableForSaleTransferToHeldToMaturityAdjustmentFromAociForAmortizationOfGainLossTax


Oci
Period End2021-06-302020-06-30
Value105000.00
Percentage of OciDebtSecuritiesAvailableForSaleTransferToHeldToMaturityAdjustmentFromAociForAmortizationOfGainLossTax100.00.0

us-gaap:OtherComprehensiveIncomeLossAmortizationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetPriorServiceCostCreditNetOfTax

us-gaap:OtherComprehensiveIncomeLossAmortizationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetPriorServiceCostCreditNetOfTax


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-30
Value115000.0115000.079000.080000.079000.080000.061000.062000.061000.061000.062000.061000.061000.061000.045000.046000.045000.087000.0106000.0107000.0106000.0106000.061000.062000.063000.028000.024000.023000.024000.024000.087000.0-59000.060000.060000.013000.0-13000.0
Percentage of OtherComprehensiveIncomeLossAmortizationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetPriorServiceCostCreditNetOfTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OtherComprehensiveIncomeLossAmortizationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetPriorServiceCostCreditTax

us-gaap:OtherComprehensiveIncomeLossAmortizationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetPriorServiceCostCreditTax


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
Value-34000.0-35000.0-24000.0-24000.0-24000.0-24000.0-18000.0-19000.0-19000.0-19000.0-18000.0-19000.0-19000.0-19000.0-26000.0-26000.0-26000.0-49000.0-61000.0-60000.0-61000.0-61000.0-35000.0-35000.0-35000.0-16000.0-14000.0-13000.0-13000.0-13000.0-37000.0-33000.0-32000.0-32000.0-7000.0-7000.0
Percentage of OtherComprehensiveIncomeLossAmortizationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetPriorServiceCostCreditTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax

us-gaap:OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-31
Value21-102.6059.213-1.4424279-18.71714363334-14.149-7.849-26.126-11.6680.5496.0331.702-35.571-4.4138.36218-14.4089.975-11.568.9176.092-4.0788.5796.977-8.2475.943-25.989-2.733-8.3422.6312.37-1.685-0.568
Percentage of OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OtherComprehensiveIncomeLossBeforeReclassificationsNetOfTax

us-gaap:OtherComprehensiveIncomeLossBeforeReclassificationsNetOfTax


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-31
Value21-102.6056.55-1.5044597-24.17917443634-14.149-7.845-26.048-12.2620.5496.0336.306-35.606-4.0498.50818-19.00410-11.3419.0966.092-4.0578.7687.119-8.9235.943-25.93-3.25
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 End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value-0.514-0.0622.61117-3.423.1377.2334.810.00.00.00.0
Percentage of OtherComprehensiveIncomeLossBeforeReclassificationsNetOfTax-7.84.15.718.414.117.716.313.00.0-0.0-0.0-0.0

us-gaap:AccumulatedNetUnrealizedInvestmentGainLoss


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-31
Value21-102.6059.241-1.4424279-18.71714373234-14.149-7.845-26.048-11.6750.5496.0331.702-35.567-4.0498.50818-14.2310-11.3419.3766.092-4.0578.7687.119-8.2475.943-25.93-2.493
Percentage of OtherComprehensiveIncomeLossBeforeReclassificationsNetOfTax100.0100.0141.195.994.381.677.482.383.787.099.9100.0100.0100.095.2100.0100.027.099.9100.0100.0100.074.9100.0100.0103.1100.0100.0100.0100.092.4100.0100.076.7

us-gaap:OtherComprehensiveIncomeLossCashFlowHedgeGainLossBeforeReclassificationAfterTax

us-gaap:OtherComprehensiveIncomeLossCashFlowHedgeGainLossBeforeReclassificationAfterTax


Other
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value-0.514-0.0622.61117-3.423.1377.2334.810.00.00.00.0
Percentage of OtherComprehensiveIncomeLossCashFlowHedgeGainLossBeforeReclassificationAfterTax100.0100.0100.0100.0100.0100.0100.0100.00.00.00.00.0

us-gaap:OtherComprehensiveIncomeLossCashFlowHedgeGainLossBeforeReclassificationTax

us-gaap:OtherComprehensiveIncomeLossCashFlowHedgeGainLossBeforeReclassificationTax


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value00156000.019000.0-791000.0-5446000.01037000.0-951000.0-2191000.0-1458000.00000
Percentage of OtherComprehensiveIncomeLossCashFlowHedgeGainLossBeforeReclassificationTax0.00.0100.0100.0100.0100.0100.0100.0100.0100.00.00.00.00.0

us-gaap:OtherComprehensiveIncomeLossCashFlowHedgeGainLossReclassificationAfterTax

us-gaap:OtherComprehensiveIncomeLossCashFlowHedgeGainLossReclassificationAfterTax


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-30
Value1998000.01977000.02007000.02052000.01680000.0-722000.0-399000.0-58000.00000
Percentage of OtherComprehensiveIncomeLossCashFlowHedgeGainLossReclassificationAfterTax100.0100.0100.0100.0100.0100.0100.0100.00.00.00.00.0

us-gaap:OtherComprehensiveIncomeLossCashFlowHedgeGainLossReclassificationBeforeTax

us-gaap:OtherComprehensiveIncomeLossCashFlowHedgeGainLossReclassificationBeforeTax


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value2602000.02576000.02615000.02673000.02190000.0940000.0519000.076000.0000000
Percentage of OtherComprehensiveIncomeLossCashFlowHedgeGainLossReclassificationBeforeTax100.0100.0100.0100.0100.0100.0100.0100.00.00.00.00.00.00.0

us-gaap:OtherComprehensiveIncomeLossCashFlowHedgeGainLossReclassificationTax

us-gaap:OtherComprehensiveIncomeLossCashFlowHedgeGainLossReclassificationTax


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-30
Value604000.0599000.0608000.0621000.0510000.0218000.0120000.018000.00000
Percentage of OtherComprehensiveIncomeLossCashFlowHedgeGainLossReclassificationTax100.0100.0100.0100.0100.0100.0100.0100.00.00.00.00.0

us-gaap:OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent

us-gaap:OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-30
Value19-104.4674.594-3.4764396-24.51717443834-14.088-7.788-26.065-12.210.5956.0786.393-35.504-4.3068.46818-19.12110-11.4978.6656.116-4.0558.6037.001-8.8366.002-25.929-3.43-8.3292.644
Percentage of OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent us-gaap:StatementEquityComponents

us-gaap:AccumulatedDefinedBenefitPlansAdjustment


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-31
Value0.1150.115-2.0980.080.0790.08-1.9810.0620.0610.0610.0860.0610.0610.061-0.5420.0460.0454.6910.0670.1070.1060.106-4.7130.0620.063-0.2520.0240.0230.0240.024-0.5890.0590.06-0.697
Percentage of OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent0.6-0.1-45.7-2.30.20.18.10.30.10.20.2-0.4-0.8-0.24.47.70.773.4-0.2-2.51.30.624.60.6-0.5-2.90.4-0.60.30.36.71.0-0.220.3

us-gaap:AccumulatedGainLossNetCashFlowHedgeParent


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value-1.998-1.977-2.521-2.1140.93117-3.8193.0797.2334.810.00.00.00.0
Percentage of OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent-10.31.9-54.960.82.117.815.617.416.412.50.0-0.0-0.0-0.0

us-gaap:AccumulatedNetUnrealizedInvestmentGainLoss


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-31
Value21-102.6059.213-1.4424279-18.71714363334-14.149-7.849-26.126-11.6680.5496.0331.702-35.571-4.4138.36218-14.4089.975-11.568.9176.092-4.0788.5796.977-8.2475.943-25.989-2.733
Percentage of OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent109.798.2200.541.597.782.176.382.383.587.399.8100.4100.8100.295.692.399.326.6100.2102.598.799.475.499.4100.5102.999.6100.699.799.793.399.0100.279.7

us-gaap:OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax

us-gaap:OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-31
Value-115000.0-115000.02098000.0-80000.0-79000.0-80000.01981000.0-62000.0-61000.0-61000.0-86000.0-61000.0-61000.0-61000.0542000.0-46000.0-45000.0-4691000.0-67000.0-107000.0-106000.0-106000.04713000.0-62000.0-63000.0252000.0-24000.0-23000.0-24000.0-24000.0589000.0-59000.0-60000.0697000.0-71000.013000.0-3000.0-13000.0424000.0
Percentage of OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesNetOfTax

us-gaap:OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesNetOfTax


Other
Period End2021-06-302020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-31
Value241000.028000.000191000.000219000.0-1417000.00-1000.04000.078000.0-7000.00004000.0364000.0146000.0238000.0178000.0151000.0219000.0459000.0021000.0189000.0142000.00059000.0240000.02378000.0
Percentage of OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesNetOfTax100.0100.00.00.0100.00.00.0100.0100.00.0100.0100.0100.0100.00.00.00.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.00.00.0100.0100.0100.0

us-gaap:OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesTax

us-gaap:OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesTax


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
Value73000.008000.00058000.00066000.0-430000.0001000.024000.0-4000.00003000.0208000.083000.0135000.0103000.085000.0124000.0262000.0012000.0107000.081000.00033000.0130000.01293000.00
Percentage of OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesTax100.00.0100.00.00.0100.00.00.0100.0100.00.00.0100.0100.0100.00.00.00.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.00.00.0100.0100.0100.00.0

us-gaap:OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax

us-gaap:OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-30
Value21-102.6059.241-1.4424279-18.71714373234-14.149-7.845-26.048-11.6750.5496.0331.702-35.567-4.0498.50818-14.2310-11.3419.3766.092-4.0578.7687.119-8.2475.943-25.93-2.493-5.9642.6312.37-1.645-0.4834.9886.4672.313-10.314.7393.61
Percentage of OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodTax

us-gaap:OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodTax


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-30
Value-6.61931-2.7990.436-12.984-24.1435.669-4.421-11.217-9.713-10.4874.2862.3767.8912.784-0.312-3.435-0.9686.22.305-4.844101.192-5.7656.457-5.338162.31-4.992-4.049-5.263.2351.4321.432-3.2471.4320.84-0.9267.4620.03.6411.284-5.5062.6111.907
Percentage of OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.0100.0100.0

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
Value5.8096.5666.8948.64119.0059.0127.6069.6657.8699.318.4479.0619.8098.2127.752108.0096.7997.3987.0477.1187.2168.0158.0727.2185.948.1466.6756.2846.8749.8228.7054.5144.3264.7264.7657.1725.3183.554.1865.3052.5583.6614.3523.468
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:PaymentsForFederalHomeLoanBankAdvances

us-gaap:PaymentsForFederalHomeLoanBankAdvances


Payments
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-30
Value0.015060015271614184213941441130010931058109796283124277610552359922717318768680484244477617695337100.11060.0171.5174.213.542287.2614.1436-30.197
Percentage of PaymentsForFederalHomeLoanBankAdvances0.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:PaymentsForOriginationAndPurchasesOfLoansHeldForSale

us-gaap:PaymentsForOriginationAndPurchasesOfLoansHeldForSale


Payments
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-31
Value881071341391585875654721303639273433343133292719182417145.207
Percentage of PaymentsForOriginationAndPurchasesOfLoansHeldForSale100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:PaymentsForProceedsFromLoansAndLeases

us-gaap:PaymentsForProceedsFromLoansAndLeases


Payments
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-31
Value12164-319.081-87.626828197-13.7249712780-170.45167118-17.688-30.9048819421-48.76815223464691391621213010913764
Percentage of PaymentsForProceedsFromLoansAndLeases100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:PaymentsRelatedToTaxWithholdingForShareBasedCompensation

us-gaap:PaymentsRelatedToTaxWithholdingForShareBasedCompensation


Payments
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-30
Value76000.03995000.024000.016000.08000.02474000.027000.019000.0314000.02432000.017000.033000.0
Percentage of PaymentsRelatedToTaxWithholdingForShareBasedCompensation100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:PaymentsToAcquireAvailableForSaleSecurities

us-gaap:PaymentsToAcquireAvailableForSaleSecurities


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
Value918608112173722137547594503.7135939018827224165.35110867205201952481812511235104121016513077842340.05730158241201491150.07.58556
Percentage of PaymentsToAcquireAvailableForSaleSecurities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0

us-gaap:PaymentsToAcquireFederalHomeLoanBankStock

us-gaap:PaymentsToAcquireFederalHomeLoanBankStock


Payments
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-30
Value0.00.02.05183735957614644450.05.255311.81531109.45.921.440.00.00.0
Percentage of PaymentsToAcquireFederalHomeLoanBankStock0.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.00.00.0

us-gaap:PaymentsToAcquireLoansReceivable

us-gaap:PaymentsToAcquireLoansReceivable


Payments
Period End2021-06-302021-03-312020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value0.0740.00.00.08.0360.049
Percentage of PaymentsToAcquireLoansReceivable0.0100.00.00.00.0100.00.0100.0

us-gaap:ProceedsFromFederalHomeLoanBankAdvances

us-gaap:ProceedsFromFederalHomeLoanBankAdvances


Proceeds
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-30
Value0.00.0501281207518391499143215331160111611270.0130138678545385797165235148695624294140581587713887560.10.10.00.00.00.00.00.00.10.00.0
Percentage of ProceedsFromFederalHomeLoanBankAdvances0.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.00.00.00.00.00.0100.00.00.0

us-gaap:ProceedsFromFederalHomeLoanBankBorrowings

us-gaap:ProceedsFromFederalHomeLoanBankBorrowings


Proceeds
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302017-12-312017-09-302016-12-312016-09-302015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value0.00.0401820.00.0360.00.05.00.00.00.00.00.00.01.010.00.00.750.00.050.00.00.00.050.10.00.00.00.00.00.00.10.00.00.00.0
Percentage of ProceedsFromFederalHomeLoanBankBorrowings0.00.0100.0100.00.00.0100.00.00.0100.00.00.00.00.00.00.0100.00.00.0100.00.0100.00.00.00.0100.0100.00.00.00.00.00.00.0100.00.00.00.00.0

us-gaap:ProceedsFromLifeInsurancePolicies

us-gaap:ProceedsFromLifeInsurancePolicies


Proceeds
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302017-12-312017-09-30
Value0.00.6710.00.00.01.058.2650.00.00.00.00.00.02.207
Percentage of ProceedsFromLifeInsurancePolicies0.0100.00.00.00.0100.0100.00.00.00.00.00.00.0100.0

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
Value20518019614113013414010581100153921378283687655847571527869805445514736527310264735558494740322726232021
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:ProceedsFromOtherDebt

us-gaap:ProceedsFromOtherDebt


Proceeds
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-30
Value004222000.05000000.000100000.0000
Percentage of ProceedsFromOtherDebt0.00.0100.0100.00.00.0100.00.00.00.0

us-gaap:ProceedsFromSaleOfAvailableForSaleSecuritiesDebt

us-gaap:ProceedsFromSaleOfAvailableForSaleSecuritiesDebt


Proceeds
Period End2021-06-302020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-30
Value260.5920.00.01940.00.0175830.00.01219300.00.0
Percentage of ProceedsFromSaleOfAvailableForSaleSecuritiesDebt100.0100.00.00.0100.00.00.0100.0100.00.00.0100.0100.0100.00.00.0

us-gaap:ProceedsFromSaleOfAvailableForSaleSecuritiesEquity

us-gaap:ProceedsFromSaleOfAvailableForSaleSecuritiesEquity


Proceeds
Period End2020-12-312020-09-302011-03-312010-03-31
Value0.00.00.069
Percentage of ProceedsFromSaleOfAvailableForSaleSecuritiesEquity0.00.00.0100.0

us-gaap:ProceedsFromSaleOfFederalHomeLoanBankStock

us-gaap:ProceedsFromSaleOfFederalHomeLoanBankStock


Proceeds
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-31
Value0.06.0246164735557524342436.8841149314.22023136.927.481220.361
Percentage of ProceedsFromSaleOfFederalHomeLoanBankStock0.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ProceedsFromSaleOfForeclosedAssets

us-gaap:ProceedsFromSaleOfForeclosedAssets


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
Value0.00.1320.040.6810.3030.050.0730.615.6730.151.3930.0473.7592.0620.6890.1820.4441.2752.3132.5691.951.3266.1331.7016.4865.067126.2292.1968.1023.6284.7034.0572.0190.623.174.077.8292.0442.362.5025.3720.8570.7531.8291.361
Percentage of ProceedsFromSaleOfForeclosedAssets0.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ProceedsFromSaleOfLoansHeldForSale

us-gaap:ProceedsFromSaleOfLoansHeldForSale


Proceeds
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-31
Value1011071321441396673633921313737293632303331342320192316125.149
Percentage of ProceedsFromSaleOfLoansHeldForSale100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ProceedsFromSaleOfWhollyOwnedRealEstateAndRealEstateAcquiredInSettlementOfLoans

us-gaap:ProceedsFromSaleOfWhollyOwnedRealEstateAndRealEstateAcquiredInSettlementOfLoans


Proceeds
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-31
Value0.00.1320.040.6810.3030.0420.0730.5885.6730.1211.3930.0473.7592.0620.6890.1820.4441.2752.3132.5691.951.3266.0091.6756.4845.1223.8718.7554.72611
Percentage of ProceedsFromSaleOfWhollyOwnedRealEstateAndRealEstateAcquiredInSettlementOfLoans0.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ProceedsFromSalesOfAssetsInvestingActivities

us-gaap:ProceedsFromSalesOfAssetsInvestingActivities


Proceeds
Period End2020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-09-302016-06-302016-03-312015-09-302015-06-302015-03-312014-09-302014-06-302014-03-312013-09-302013-06-302013-03-31
Value1.1960.9010.0317.7110.0130.0118.722.5153.7214.0241.246.8932.762.721.91113237.7450.3750.7580.3370.3110.5190.287
Percentage of ProceedsFromSalesOfAssetsInvestingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ProceedsFromStockOptionsExercised

us-gaap:ProceedsFromStockOptionsExercised


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
Value01098000.001083000.00945000.001132000.015000.0878000.001121000.017000.0719000.00825000.010000.01145000.045000.0701000.05000.0598000.064000.0675000.091000.0428000.014000.0490000.020000.0405000.0-62000.0380000.0448000.0326000.00399000.06000.0308000.056000.0382000.030000.0380000.072000.0342000.019000.0490000.0
Percentage of ProceedsFromStockOptionsExercised0.0100.00.0100.00.0100.00.0100.0100.0100.00.0100.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

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
Value3.2642.8153.5733.03.4832.1024.8355.6836.5544.5735.9414.6954.1713.2375.9552.882.9473.3692.5232.2641.7771.3252.0812.1732.8472.5074.0122.9052.3032.1692.3632.4215.5042.052.6942.7831.8291.6091.6181.9571.4981.4131.11.6091.4771.498
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:ProvisionForLoanAndLeaseLosses

us-gaap:ProvisionForLoanAndLeaseLosses


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-5.5-0.8-4.77.433411.6140.2990.2181.3621.7893.1533.9755.8523.327-0.6483.1772.7750.0181.8663.645.2542.3492.8312.2021.2091.7080.982.1171.922-3.6823.3130.288-0.024.861-1.11715203.1020.52.150.09.8469.01315
Percentage of ProvisionForLoanAndLeaseLosses100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.0100.0

us-gaap:ProvisionForLoanAndLeaseLosses us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable

colb:Agriculture


Provision
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value-1.450.423-3.08-1.1653.7829.261.8771.2161.9781.121
Percentage of ProvisionForLoanAndLeaseLosses26.4-52.965.5-15.711.322.3116.3406.7907.382.3

colb:CommercialBusiness


Provision
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value-0.75413-3.859-0.57412150.563.453-1.0210.866
Percentage of ProvisionForLoanAndLeaseLosses13.7-1660.082.1-7.836.637.034.71154.8-468.363.6

colb:OneToFourFamilyResidential


Provision
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-31
Value0.524-1.288-5.252-2.8895.635.715-0.136-0.1070.0090.0080.202-0.11-0.293-0.315-0.1580.003-0.0870.236-0.4070.2210.035-0.303-0.22-0.420.265-0.9210.8720.23-0.1230.121
Percentage of ProvisionForLoanAndLeaseLosses-9.5161.0111.7-39.016.813.8-8.4-35.84.10.611.3-3.5-7.4-5.4-4.7-0.5-2.78.5-2261.111.81.0-5.8-9.4-14.812.0-76.251.123.5-5.86.3

us-gaap:CommercialRealEstate


Provision
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value-3.5-11.928.88911139.3362.1961.009-0.7031.757
Percentage of ProvisionForLoanAndLeaseLosses63.61490.0-189.1149.039.122.5136.1337.5-322.5129.0

us-gaap:Construction


Provision
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value-0.513-1.131-1.3480.999-1.1271.582-3.583-3.143-0.179-2.318
Percentage of ProvisionForLoanAndLeaseLosses9.3141.428.713.5-3.43.8-222.0-1051.2-82.1-170.2

us-gaap:ConsumerLoan


Provision
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value0.193-0.164-0.050.0030.0190.1270.306-0.201-0.1620.071
Percentage of ProvisionForLoanAndLeaseLosses-3.520.51.10.00.10.319.0-67.2-74.35.2

us-gaap:UnallocatedFinancingReceivables


Provision
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-31
Value0.00.0-0.1490.140.529-1.6361.133-0.4790.4670.586-0.3210.321-0.9910.76-0.7370.742-0.1870.2520.161-0.5690.472-2.002-1.6111.8661.148-1.1681.799-1.587
Percentage of ProvisionForLoanAndLeaseLosses-0.00.0-0.40.332.8-547.2519.7-35.226.118.6-8.15.5-29.8-117.3-23.226.7-1038.913.54.4-10.820.1-70.7-73.2154.367.2-119.285.0-82.6

us-gaap:ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax

us-gaap:ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax


Reclassification
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-31
Value2469000.01862000.01956000.01972000.01601000.0833000.0338000.0-4000.0158000.0-1478000.0-62000.0-61000.0-57000.017000.0-52000.0-46000.0-45000.0-87000.0-102000.0257000.040000.0132000.0117000.089000.0156000.0431000.0-24000.0-2000.0165000.0118000.0-87000.0-59000.0-1000.0180000.0
Percentage of ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax us-gaap:StatementEquityComponents

us-gaap:AccumulatedDefinedBenefitPlansAdjustment


Reclassification
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-31
Value-115000.0-115000.0-79000.0-80000.0-79000.0-80000.0-61000.0-62000.0-61000.0-61000.0-62000.0-61000.0-61000.0-61000.0-45000.0-46000.0-45000.0-87000.0-106000.0-107000.0-106000.0-106000.0-61000.0-62000.0-63000.0-28000.0-24000.0-23000.0-24000.0-24000.0-87000.0-59000.0-60000.0-60000.0
Percentage of ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax-4.7-6.2-4.0-4.1-4.9-9.6-18.01550.0-38.64.1100.0100.0107.0-358.886.5100.0100.0100.0103.9-41.6-265.0-80.3-52.1-69.7-40.4-6.5100.01150.0-14.5-20.3100.0100.06000.0-33.3

us-gaap:AccumulatedGainLossNetCashFlowHedgeParent


Reclassification
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value1998000.01977000.02007000.02052000.01680000.0722000.0399000.058000.0000000
Percentage of ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax80.9106.2102.6104.1104.986.7118.0-1450.00.0-0.0-0.0-0.0-0.00.0

us-gaap:AccumulatedNetUnrealizedInvestmentGainLoss


Reclassification
Period End2021-06-302020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-31
Value586000.028000.000191000.000219000.0-1417000.0004000.078000.0-7000.00004000.0364000.0146000.0238000.0178000.0151000.0219000.0459000.0021000.0189000.0142000.00059000.0240000.0
Percentage of ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax23.71.40.00.022.90.0-0.0138.695.9-0.0-0.0-7.0458.813.5-0.0-0.0-0.0-3.9141.6365.0180.3152.1169.7140.4106.5-0.0-1050.0114.5120.3-0.0-0.0-5900.0133.3

us-gaap:RepaymentsOfFederalHomeLoanBankBorrowings

us-gaap:RepaymentsOfFederalHomeLoanBankBorrowings


Repayments
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302017-12-312017-09-302016-12-312016-09-302015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value0.00.0451770.00.0360.00.05.00.00.00.00.00.00.01.010.00.00.750.00.050.00.00.00.050.10.00.00.00.00.0-4.044.14-36.23736-30.15930
Percentage of RepaymentsOfFederalHomeLoanBankBorrowings0.00.0100.0100.00.00.0100.00.00.0100.00.00.00.00.00.00.0100.00.00.0100.00.0100.00.00.00.0100.0100.00.00.00.00.00.0100.0100.0100.0100.0100.0100.0

us-gaap:StockIssuedDuringPeriodSharesRestrictedStockAwardNetOfForfeitures us-gaap:StatementEquityComponents

us-gaap:StockIssuedDuringPeriodSharesRestrictedStockAwardNetOfForfeitures

us-gaap:CommonStock


Stock
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value4000.0188000.0-14000.0-12000.012000.0222000.0-11000.09000.0-10000.0355000.0-11000.0-11000.05000.0263000.03000.03000.028000.0207000.0-4000.0-7000.018000.0299000.0-7000.0-5000.09000.0273000.0-3000.0-5000.036000.0197000.0-9000.09000.04000.0140000.0-3000.013000.0-16000.0146000.005000.0-8000.0122000.06000.01000.021000.072000.0
Percentage of StockIssuedDuringPeriodSharesRestrictedStockAwardNetOfForfeitures100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:StockIssuedDuringPeriodSharesStockOptionsExercised us-gaap:StatementEquityComponents

us-gaap:StockIssuedDuringPeriodSharesStockOptionsExercised

us-gaap:CommonStock


Stock
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value041000.0039000.0026000.01000.031000.02000.025000.01000.026000.02000.017000.0021000.0028000.03000.026000.01000.020000.03000.025000.04000.017000.01000.019000.02000.019000.05000.025000.025000.018000.0021000.01000.018000.04000.022000.02000.023000.04000.023000.01000.041000.0
Percentage of StockIssuedDuringPeriodSharesStockOptionsExercised0.0100.00.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:StockIssuedDuringPeriodValueRestrictedStockAwardNetOfForfeitures

us-gaap:StockIssuedDuringPeriodValueRestrictedStockAwardNetOfForfeitures


Stock
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value3.9083.0282.8193.0092.7372.1722.4442.2992.2432.2852.1232.1482.0192.0641.831.8011.7562.3581.3831.0751.3711.181.1561.0980.9740.8620.8180.8170.5440.680.8120.6010.7290.5510.470.2440.4580.450.4720.40.4280.3350.370.3490.3550.35
Percentage of StockIssuedDuringPeriodValueRestrictedStockAwardNetOfForfeitures100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:StockIssuedDuringPeriodValueRestrictedStockAwardNetOfForfeitures us-gaap:StatementEquityComponents

us-gaap:CommonStock


Stock
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value3.9083.0282.8193.0092.7372.1722.4442.2992.2432.2852.1232.1482.0192.0641.831.8011.7562.3581.3831.0751.3711.181.1561.0980.9740.8620.8180.8170.5440.680.8120.6010.7290.5510.470.2440.4580.450.4720.40.4280.3350.370.3490.3550.35
Percentage of StockIssuedDuringPeriodValueRestrictedStockAwardNetOfForfeitures100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:StockIssuedDuringPeriodValueStockOptionsExercised

us-gaap:StockIssuedDuringPeriodValueStockOptionsExercised


Stock
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value01098000.001083000.00945000.001132000.015000.0878000.001121000.017000.0719000.00825000.010000.01145000.045000.0701000.05000.0598000.064000.0675000.091000.0428000.014000.0490000.020000.0405000.089000.0380000.0448000.0326000.00399000.06000.0308000.056000.0382000.030000.0380000.059000.0343000.012000.0509000.0
Percentage of StockIssuedDuringPeriodValueStockOptionsExercised0.0100.00.0100.00.0100.00.0100.0100.0100.00.0100.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:StockIssuedDuringPeriodValueStockOptionsExercised us-gaap:StatementEquityComponents

us-gaap:CommonStock


Stock
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value01098000.001083000.00945000.001132000.015000.0878000.001121000.017000.0719000.00825000.010000.01145000.045000.0701000.05000.0598000.064000.0675000.091000.0428000.014000.0490000.020000.0405000.089000.0380000.0448000.0326000.00399000.06000.0308000.056000.0382000.030000.0380000.059000.0343000.012000.0509000.0
Percentage of StockIssuedDuringPeriodValueStockOptionsExercised0.0100.00.0100.00.0100.00.0100.0100.0100.00.0100.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:StockRepurchasedAndRetiredDuringPeriodShares us-gaap:StatementEquityComponents

us-gaap:StockRepurchasedAndRetiredDuringPeriodShares

us-gaap:CommonStock


Stock
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-30
Value-1000.0-88000.01000.00-1000.0-66000.01000.009000.064000.01000.002000.060000.01000.01000.04000.050000.001000.02000.035000.01000.003000.028000.0003000.021000.02000.00
Percentage of StockRepurchasedAndRetiredDuringPeriodShares100.0100.0100.00.0100.0100.0100.00.0100.0100.0100.00.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.0100.00.0100.0100.00.00.0100.0100.0100.00.0

us-gaap:StockRepurchasedAndRetiredDuringPeriodValue

us-gaap:StockRepurchasedAndRetiredDuringPeriodValue


Stock
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302011-12-312011-09-302011-06-302011-03-31
Value76000.03995000.024000.016000.08000.02474000.027000.019000.0314000.02432000.017000.033000.052000.02575000.053000.031000.0176000.02039000.012000.021000.059000.01033000.027000.05000.093000.0781000.017000.04000.079000.0522000.038000.0000032000.0
Percentage of StockRepurchasedAndRetiredDuringPeriodValue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.00.00.00.0100.0

us-gaap:StockRepurchasedAndRetiredDuringPeriodValue us-gaap:StatementEquityComponents

us-gaap:CommonStock


Stock
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302011-12-312011-09-302011-06-302011-03-31
Value76000.03995000.024000.016000.08000.02474000.027000.019000.0314000.02432000.017000.033000.052000.02575000.053000.031000.0176000.02039000.012000.021000.059000.01033000.027000.05000.093000.0781000.017000.04000.079000.0522000.038000.0000032000.0
Percentage of StockRepurchasedAndRetiredDuringPeriodValue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.00.00.00.0100.0

us-gaap:TransferToOtherRealEstate

us-gaap:TransferToOtherRealEstate


Transfer
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-31
Value0.00.4750.5580.00.00.00.00.3860.00.7940.00.4060.0320.0740.00.0-0.1550.8910.2060.105-0.0630.9153.1444.6921.271.0892.095.7510.821
Percentage of TransferToOtherRealEstate0.0100.0100.00.00.00.00.0100.00.0100.00.0100.0100.0100.00.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:TreasuryStockAcquiredAverageCostPerShare

us-gaap:TreasuryStockAcquiredAverageCostPerShare


Treasury
Period End2020-09-302019-09-302019-06-30
Value27.3634.7735.03
Percentage of TreasuryStockAcquiredAverageCostPerShare100.0100.0100.0

us-gaap:TreasuryStockSharesAcquired

us-gaap:TreasuryStockSharesAcquired


Treasury
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-30
Value000731000.0200000.0676000.0624160.0
Percentage of TreasuryStockSharesAcquired0.00.00.0100.0100.0100.0100.0

us-gaap:TreasuryStockSharesAcquired us-gaap:StatementEquityComponents

us-gaap:CommonStock


Treasury
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-30
Value000731000.0153000.0676000.0624000.0
Percentage of TreasuryStockSharesAcquired0.00.00.0100.076.5100.0100.0

us-gaap:TreasuryStockValueAcquiredCostMethod

us-gaap:TreasuryStockValueAcquiredCostMethod


Treasury
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-30
Value0.00.00.0205.4542321
Percentage of TreasuryStockValueAcquiredCostMethod0.00.00.0100.0100.0100.0100.0

us-gaap:TreasuryStockValueAcquiredCostMethod us-gaap:StatementEquityComponents

us-gaap:TreasuryStock


Treasury
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-30
Value0.00.040-20.05.454-23.51721
Percentage of TreasuryStockValueAcquiredCostMethod0.00.00.0-100.0100.0-100.0100.0

us-gaap:UnrealizedGainLossOnInterestRateCashFlowHedgesPretaxAccumulatedOtherComprehensiveIncomeLoss

us-gaap:UnrealizedGainLossOnInterestRateCashFlowHedgesPretaxAccumulatedOtherComprehensiveIncomeLoss


Unrealized
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value-0.67-0.0813.40223-4.4574.0889.4236.2680.00.00.00.0
Percentage of UnrealizedGainLossOnInterestRateCashFlowHedgesPretaxAccumulatedOtherComprehensiveIncomeLoss100.0100.0100.0100.0100.0100.0100.0100.00.00.00.00.0

us-gaap:WeightedAverageNumberDilutedSharesOutstandingAdjustment

us-gaap:WeightedAverageNumberDilutedSharesOutstandingAdjustment


Weighted
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-09-302016-06-302016-03-312015-09-302015-06-302015-03-312014-09-302014-06-302014-03-312013-09-302013-06-302013-03-312012-09-302012-06-302012-03-312011-06-302011-03-31
Value177000.0240000.036000.032000.058000.0003000.05000.05000.05000.05000.05000.06000.010000.010000.011000.013000.014000.013000.0404000.0406000.01336000.01463000.01337000.03000.02000.048000.0103000.059000.0113000.0
Percentage of WeightedAverageNumberDilutedSharesOutstandingAdjustment100.0100.0100.0100.0100.00.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

colb:AllowanceForUnfundedLoanCommitmentsAndLettersOfCredit

colb:AllowanceForUnfundedLoanCommitmentsAndLettersOfCredit


Allowance
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312008-12-31
Value10000000.09800000.08300000.09600000.08800000.06000000.03430000.03580000.03980000.03780000.04330000.03955000.03680000.04330000.03130000.03480000.03555000.03555000.02705000.02905000.02780000.02930000.02930000.02930000.02930000.02655000.02655000.02505000.02355000.02455000.02505000.02665000.02465000.01915000.01915000.01915000.01665000.01665000.01535000.01460000.01460000.01660000.01165000.01165000.0815000.0815000.0775000.0500000.0
Percentage of AllowanceForUnfundedLoanCommitmentsAndLettersOfCredit100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

colb:AssetsSoldunderAgreementstoRepurchaseSweepCarryingAmount us-gaap:AssetsSoldUnderAgreementsToRepurchase, us-gaap:DebtInstrument

colb:AssetsSoldunderAgreementstoRepurchaseSweepCarryingAmount

us-gaap:AvailableforsaleSecurities, colb:RepurchaseAgreementsSweep


Assets
Period End2020-12-31
Value73
Percentage of AssetsSoldunderAgreementstoRepurchaseSweepCarryingAmount100.0

colb:AssetsSoldunderAgreementstoRepurchaseSweepInterestrate us-gaap:AssetsSoldUnderAgreementsToRepurchase, us-gaap:DebtInstrument

colb:AssetsSoldunderAgreementstoRepurchaseSweepInterestrate

us-gaap:AvailableforsaleSecurities, colb:RepurchaseAgreementsSweep


Assets
Period End2020-12-31
Value0.19
Percentage of AssetsSoldunderAgreementstoRepurchaseSweepInterestrate100.0

colb:AssetsSoldunderAgreementstoRepurchaseTermCarryingAmount us-gaap:AssetsSoldUnderAgreementsToRepurchase

colb:AssetsSoldunderAgreementstoRepurchaseTermCarryingAmount

us-gaap:AvailableforsaleSecurities


Assets
Period End2020-12-31
Value25
Percentage of AssetsSoldunderAgreementstoRepurchaseTermCarryingAmount100.0

colb:AssetsSoldunderAgreementstoRepurchaseTermInterestrate us-gaap:AssetsSoldUnderAgreementsToRepurchase

colb:AssetsSoldunderAgreementstoRepurchaseTermInterestrate

us-gaap:AvailableforsaleSecurities


Assets
Period End2020-12-31
Value1.88
Percentage of AssetsSoldunderAgreementstoRepurchaseTermInterestrate100.0

colb:AvailableforsaleSecuritiesContinuousUnrealizedLossPosition12MonthsorLongerAggregateLossinstant

colb:AvailableforsaleSecuritiesContinuousUnrealizedLossPosition12MonthsorLongerAggregateLossinstant


Availableforsale
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302012-12-31
Value0.4020.7190.8150.841.0441.3816.9947.32512305450403524146.4376.1065.2762.0252.0163.7639.0215.4769.875.74511191712154.6190.377
Percentage of AvailableforsaleSecuritiesContinuousUnrealizedLossPosition12MonthsorLongerAggregateLossinstant100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

colb:AvailableforsaleSecuritiesContinuousUnrealizedLossPosition12MonthsorLongerAggregateLossinstant us-gaap:FinancialInstrument

colb:USGovernmentAgencyAndGovernmentSponsoredEnterpriseMortgageBackedSecuritiesAndCollateralizedMortgageObligations


Availableforsale
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-31
Value0.3860.7190.8150.841.0441.3756.7987.045112642423320
Percentage of AvailableforsaleSecuritiesContinuousUnrealizedLossPosition12MonthsorLongerAggregateLossinstant96.0100.0100.0100.0100.099.697.296.290.385.378.283.783.782.8

us-gaap:MunicipalBonds


Availableforsale
Period End2021-06-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-31
Value0.0150.00.0030.0820.1751.0262.567.1795.4084.342.236
Percentage of AvailableforsaleSecuritiesContinuousUnrealizedLossPosition12MonthsorLongerAggregateLossinstant3.70.00.21.22.48.28.413.210.710.79.0

us-gaap:USGovernmentCorporationsAndAgenciesSecurities


Availableforsale
Period End2021-06-302019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-31
Value0.0010.0050.0520.1881.944.6912.8182.2861.756
Percentage of AvailableforsaleSecuritiesContinuousUnrealizedLossPosition12MonthsorLongerAggregateLossinstant0.20.10.71.56.38.65.65.67.1

colb:AvailableforsaleSecuritiesContinuousUnrealizedLossPositionLessthan12MonthsAggregateLossInstant

colb:AvailableforsaleSecuritiesContinuousUnrealizedLossPositionLessthan12MonthsAggregateLossInstant


Availableforsale
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302012-12-31
Value16586.4534.2120.4470.398134.2720.0390.0081.5984032289.4426.1671622251.0250.390.6589.2470.9663.9170.8632.351.590.2631523255.923
Percentage of AvailableforsaleSecuritiesContinuousUnrealizedLossPositionLessthan12MonthsAggregateLossInstant100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

colb:AvailableforsaleSecuritiesContinuousUnrealizedLossPositionLessthan12MonthsAggregateLossInstant us-gaap:FinancialInstrument

colb:USGovernmentAgencyAndGovernmentSponsoredEnterpriseMortgageBackedSecuritiesAndCollateralizedMortgageObligations


Availableforsale
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-31
Value8.956443.7282.8170.3170.073124.0170.0060.0070.97226226.71
Percentage of AvailableforsaleSecuritiesContinuousUnrealizedLossPositionLessthan12MonthsAggregateLossInstant53.676.657.866.970.918.392.494.015.487.560.867.368.171.1

us-gaap:AssetBackedSecurities


Availableforsale
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302018-12-31
Value3.9765.6562.0760.530.0730.0440.880.00.222
Percentage of AvailableforsaleSecuritiesContinuousUnrealizedLossPositionLessthan12MonthsAggregateLossInstant23.89.732.212.616.311.16.50.013.9

us-gaap:MunicipalBonds


Availableforsale
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-31
Value2.4436.3650.5920.8130.0570.2810.1420.2550.0330.0010.5816.8335.5361.723
Percentage of AvailableforsaleSecuritiesContinuousUnrealizedLossPositionLessthan12MonthsAggregateLossInstant14.611.09.219.312.870.61.16.084.612.536.417.116.918.2

us-gaap:USGovernmentCorporationsAndAgenciesSecurities


Availableforsale
Period End2021-06-302021-03-312020-12-312020-09-302019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-31
Value1.3321.5670.0570.0520.00.00.00.00.0456.2694.9421.006
Percentage of AvailableforsaleSecuritiesContinuousUnrealizedLossPositionLessthan12MonthsAggregateLossInstant8.02.70.91.20.00.00.00.02.815.615.010.7

colb:BrokeredMoneyMarketAccounts

colb:BrokeredMoneyMarketAccounts


Brokered
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-31
Value57730031328920810083410.0
Percentage of BrokeredMoneyMarketAccounts100.0100.0100.0100.0100.0100.0100.0100.00.0

colb:CapitalRequiredforCapitalAdequacypluscapitalconservationbufferfullyphasedin

colb:CapitalRequiredforCapitalAdequacypluscapitalconservationbufferfullyphasedin


Capital
Period End2020-12-312019-12-312018-12-312017-12-312016-12-31
Value1134111110331035787
Percentage of CapitalRequiredforCapitalAdequacypluscapitalconservationbufferfullyphasedin100.0100.0100.0100.0100.0

colb:CapitalRequiredforCapitalAdequacypluscapitalconservationbufferfullyphasedin dei:LegalEntity

colb:BankingSubsidiaries


Capital
Period End2020-12-312019-12-312018-12-312017-12-312016-12-31
Value1133111010321035787
Percentage of CapitalRequiredforCapitalAdequacypluscapitalconservationbufferfullyphasedin99.999.9100.0100.0100.0

colb:CertificatesOfDeposit250000OrMore

colb:CertificatesOfDeposit250000OrMore


Certificates
Period End2020-12-312019-12-31
Value108151
Percentage of CertificatesOfDeposit250000OrMore100.0100.0

colb:CertificatesOfDepositInsuredByCdars

colb:CertificatesOfDepositInsuredByCdars


Certificates
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-31
Value2317232522261819264238
Percentage of CertificatesOfDepositInsuredByCdars100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

colb:CertificatesOfDepositLessThan250000

colb:CertificatesOfDepositLessThan250000


Certificates
Period End2020-12-312019-12-31
Value201218
Percentage of CertificatesOfDepositLessThan250000100.0100.0

colb:CollateraldependentloansFairValue us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementFrequency

colb:CollateraldependentloansFairValue

us-gaap:FairValueInputsLevel3, us-gaap:FairValueMeasurementsNonrecurring


Collateraldependentloans
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value4.3311.5215117.9763.043108.994.8373.84
Percentage of CollateraldependentloansFairValue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

colb:CollateraldependentloansFairValue us-gaap:FairValueByMeasurementFrequency

us-gaap:FairValueMeasurementsNonrecurring


Collateraldependentloans
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value4.3311.5215117.9763.043108.994.8373.84
Percentage of CollateraldependentloansFairValue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

colb:CollateraldependentloansMeasurementInput us-gaap:Range, us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementFrequency, us-gaap:ValuationTechnique

colb:CollateraldependentloansMeasurementInput

srt:Maximum, us-gaap:FairValueInputsLevel3, us-gaap:FairValueMeasurementsNonrecurring, us-gaap:MarketApproachValuationTechnique


Collateraldependentloans
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value31.075.0100.0100.01.01.0100.0100.01.01.0
Percentage of CollateraldependentloansMeasurementInput100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

srt:Minimum, us-gaap:FairValueInputsLevel3, us-gaap:FairValueMeasurementsNonrecurring, us-gaap:MarketApproachValuationTechnique


Collateraldependentloans
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value042.9600000000
Percentage of CollateraldependentloansMeasurementInput0.057.30.00.00.00.00.00.00.00.0

srt:WeightedAverage, us-gaap:FairValueInputsLevel3, us-gaap:FairValueMeasurementsNonrecurring, us-gaap:MarketApproachValuationTechnique


Collateraldependentloans
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value3.6759.5341.3615.570.56220.597849.6842.090.35670.4453
Percentage of CollateraldependentloansMeasurementInput11.879.441.415.656.259.849.742.135.744.5

colb:CommonEquityTier1RiskBasedCapitalRequiredtobeWellCapitalizedtoRiskWeightedAssets dei:LegalEntity

colb:CommonEquityTier1RiskBasedCapitalRequiredtobeWellCapitalizedtoRiskWeightedAssets

colb:BankingSubsidiaries


Common
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-31
Value6.50.0650.0650.0650.0650.065
Percentage of CommonEquityTier1RiskBasedCapitalRequiredtobeWellCapitalizedtoRiskWeightedAssets100.0100.0100.0100.0100.0100.0

colb:CommonEquityTierOneCapitalRequiredforCapitalAdequacyminimumrequiredplusfullyphasedincapitalconservationbuffer

colb:CommonEquityTierOneCapitalRequiredforCapitalAdequacyminimumrequiredplusfullyphasedincapitalconservationbuffer


Common
Period End2020-12-312019-12-312018-12-312017-12-312016-12-31
Value756740688690524
Percentage of CommonEquityTierOneCapitalRequiredforCapitalAdequacyminimumrequiredplusfullyphasedincapitalconservationbuffer100.0100.0100.0100.0100.0

colb:CommonEquityTierOneCapitalRequiredforCapitalAdequacyminimumrequiredplusfullyphasedincapitalconservationbuffer dei:LegalEntity

colb:BankingSubsidiaries


Common
Period End2020-12-312019-12-312018-12-312017-12-312016-12-31
Value755740688690524
Percentage of CommonEquityTierOneCapitalRequiredforCapitalAdequacyminimumrequiredplusfullyphasedincapitalconservationbuffer99.999.9100.0100.0100.0

colb:CommonEquityTierOneRiskBasedCapitalRequiredtobeWellCapitalized dei:LegalEntity

colb:CommonEquityTierOneRiskBasedCapitalRequiredtobeWellCapitalized

colb:BankingSubsidiaries


Common
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-31
Value701687639640487463
Percentage of CommonEquityTierOneRiskBasedCapitalRequiredtobeWellCapitalized100.0100.0100.0100.0100.0100.0

colb:DeferredTaxAssetOtherRealEstateOwnedCosts

colb:DeferredTaxAssetOtherRealEstateOwnedCosts


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
Value16000.00288000.0521000.0111000.0813000.01101000.07929000.03801000.03209000.01910000.0
Percentage of DeferredTaxAssetOtherRealEstateOwnedCosts100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

colb:DeferredTaxAssetsLeasingArrangements

colb:DeferredTaxAssetsLeasingArrangements


Deferred
Period End2020-12-312019-12-312018-12-31
Value15140.0
Percentage of DeferredTaxAssetsLeasingArrangements100.0100.00.0

colb:DeferredTaxLiabilitesUnrealizedGainsOnEquitySecurities

colb:DeferredTaxLiabilitesUnrealizedGainsOnEquitySecurities


Deferred
Period End2020-12-31
Value3147000.0
Percentage of DeferredTaxLiabilitesUnrealizedGainsOnEquitySecurities100.0

colb:DeferredTaxLiabilitiesAssetPurchaseTaxBasisDifference

colb:DeferredTaxLiabilitiesAssetPurchaseTaxBasisDifference


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
Value6.597.8887.2295.7099.0379.0586.5957.754191422
Percentage of DeferredTaxLiabilitiesAssetPurchaseTaxBasisDifference100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

colb:DeferredTaxLiabilitiesStockDividends

colb:DeferredTaxLiabilitiesStockDividends


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
Value789000.0789000.0790000.0782000.01232000.01232000.04086000.04159000.01963000.01977000.02019000.0
Percentage of DeferredTaxLiabilitiesStockDividends100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

colb:Deferredtaxliabilitiespurchaseaccounting

colb:Deferredtaxliabilitiespurchaseaccounting


Deferredtaxliabilitiespurchaseaccounting
Period End2020-12-312019-12-312018-12-312017-12-312016-12-31
Value7526000.08946000.09245000.09088000.00
Percentage of Deferredtaxliabilitiespurchaseaccounting100.0100.0100.0100.00.0

colb:Deferredtaxliabilitiesunrealizedgainsonavailableforsalesecurities

colb:Deferredtaxliabilitiesunrealizedgainsonavailableforsalesecurities


Deferredtaxliabilitiesunrealizedgainsonavailableforsalesecurities
Period End2020-12-312019-12-312018-12-312016-12-312015-12-312014-12-312013-12-312012-12-31
Value49100.00.00.02.9870.011
Percentage of Deferredtaxliabilitiesunrealizedgainsonavailableforsalesecurities100.0100.00.00.00.0100.00.0100.0

colb:DefinedBenefitPlanExpectedFutureBenefitPayments colb:EmployeeBenefit

colb:DefinedBenefitPlanExpectedFutureBenefitPayments

us-gaap:SupplementalEmployeeRetirementPlanDefinedBenefit


Defined
Period End2020-12-31
Value14
Percentage of DefinedBenefitPlanExpectedFutureBenefitPayments100.0

colb:DepositsBeforeValuationAdjustment

colb:DepositsBeforeValuationAdjustment


Deposits
Period End2020-12-312019-12-31
Value1386910684
Percentage of DepositsBeforeValuationAdjustment100.0100.0

colb:FHLBmembershipstockpurchaserequirementcap

colb:FHLBmembershipstockpurchaserequirementcap


F
Period End2020-12-31
Value10000000.0
Percentage of FHLBmembershipstockpurchaserequirementcap100.0

colb:FairValueFVOptionAggregateUnpaidBalanceLoansAndLongTermReceivables

colb:FairValueFVOptionAggregateUnpaidBalanceLoansAndLongTermReceivables


Fair
Period End2021-06-302021-03-312020-12-312020-06-30
Value14251414
Percentage of FairValueFVOptionAggregateUnpaidBalanceLoansAndLongTermReceivables100.0100.0100.0100.0

colb:FairValueLoansHeldForSaleMandatoryDeliveryMethodFVOption

colb:FairValueLoansHeldForSaleMandatoryDeliveryMethodFVOption


Fair
Period End2021-06-302021-03-312020-12-312020-06-30
Value14251414
Percentage of FairValueLoansHeldForSaleMandatoryDeliveryMethodFVOption100.0100.0100.0100.0

colb:FederalHomeLoanBankAdvancesMaturitiesSummaryAverageInterestRateAfterTenYearsFromBalanceSheetDate

colb:FederalHomeLoanBankAdvancesMaturitiesSummaryAverageInterestRateAfterTenYearsFromBalanceSheetDate


Federal
Period End2020-12-31
Value5.37
Percentage of FederalHomeLoanBankAdvancesMaturitiesSummaryAverageInterestRateAfterTenYearsFromBalanceSheetDate100.0

colb:FederalHomeLoanBankAdvancesMaturitiesSummaryAverageInterestRateOneToFiveYearsFromBalanceSheetDate

colb:FederalHomeLoanBankAdvancesMaturitiesSummaryAverageInterestRateOneToFiveYearsFromBalanceSheetDate


Federal
Period End2020-12-31
Value3.85
Percentage of FederalHomeLoanBankAdvancesMaturitiesSummaryAverageInterestRateOneToFiveYearsFromBalanceSheetDate100.0

colb:FederalHomeLoanBankAdvancesMaturitiesSummaryByInterestRateTypeFixedRateAfterTenYears

colb:FederalHomeLoanBankAdvancesMaturitiesSummaryByInterestRateTypeFixedRateAfterTenYears


Federal
Period End2020-12-31
Value5000000.0
Percentage of FederalHomeLoanBankAdvancesMaturitiesSummaryByInterestRateTypeFixedRateAfterTenYears100.0

colb:FederalHomeLoanBankAdvancesMaturitiesSummaryByInterestRateTypeFixedRateBeforeValuationAdjustment

colb:FederalHomeLoanBankAdvancesMaturitiesSummaryByInterestRateTypeFixedRateBeforeValuationAdjustment


Federal
Period End2020-12-312019-12-312018-12-31
Value7.0953399
Percentage of FederalHomeLoanBankAdvancesMaturitiesSummaryByInterestRateTypeFixedRateBeforeValuationAdjustment100.0100.0100.0

colb:FederalHomeLoanBankFixedRateAdvancesValuationAdjustmentFromAcquisitionAccounting

colb:FederalHomeLoanBankFixedRateAdvancesValuationAdjustmentFromAcquisitionAccounting


Federal
Period End2020-12-31
Value414000.0
Percentage of FederalHomeLoanBankFixedRateAdvancesValuationAdjustmentFromAcquisitionAccounting100.0

colb:FederalHomeLoanBankstockparvalue

colb:FederalHomeLoanBankstockparvalue


Federal
Period End2020-12-31
Value100.0
Percentage of FederalHomeLoanBankstockparvalue100.0

colb:FederalReserveBankAdvancesMaximumAmountAvailable

colb:FederalReserveBankAdvancesMaximumAmountAvailable


Federal
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-31
Value2342091071006185868559404449
Percentage of FederalReserveBankAdvancesMaximumAmountAvailable100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

colb:Federaloperatinglosscarryforwardssettobegintoexpirein2024

colb:Federaloperatinglosscarryforwardssettobegintoexpirein2024


Federaloperatinglosscarryforwardssettobegintoexpirein2024
Period End2020-12-31
Value12
Percentage of Federaloperatinglosscarryforwardssettobegintoexpirein2024100.0

colb:FinancingReceivableModificationsAdditionalCommitmentToLend

colb:FinancingReceivableModificationsAdditionalCommitmentToLend


Financing
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-31
Value0.9880.6720.6510.6410.6250.8121.11.50.4641.32.1160.6510.1210.5060.5290.3710.4510.5080.0510.0190.0070.00.00.00.00.00.0920.2690.1820.01.71.71.80.2361.21.49.50.535
Percentage of FinancingReceivableModificationsAdditionalCommitmentToLend100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.00.00.00.00.0100.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0

colb:FinancingReceivableRevolvingConvertedtoTermLoans

colb:FinancingReceivableRevolvingConvertedtoTermLoans


Financing
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-31
Value27185132343077
Percentage of FinancingReceivableRevolvingConvertedtoTermLoans100.0100.0100.0100.0100.0100.0100.0

colb:FinancingReceivableRevolvingConvertedtoTermLoans us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable

colb:Agriculture


Financing
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-31
Value2.6511.2941012199.54516
Percentage of FinancingReceivableRevolvingConvertedtoTermLoans9.77.021.139.257.731.421.1

colb:CommercialBusiness


Financing
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-31
Value181314129.0364.5926
Percentage of FinancingReceivableRevolvingConvertedtoTermLoans67.571.528.037.426.315.134.7

colb:OneToFourFamilyResidential


Financing
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-31
Value0.7770.5273.9623.3071.5450.0951.035
Percentage of FinancingReceivableRevolvingConvertedtoTermLoans2.82.87.810.24.50.31.3

us-gaap:CommercialRealEstate


Financing
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-31
Value4.972.781173.5523.4961.63725
Percentage of FinancingReceivableRevolvingConvertedtoTermLoans18.214.934.710.910.25.432.2

us-gaap:Construction


Financing
Period End2021-06-302020-12-312020-06-302020-03-312019-12-31
Value0.3043.7530.0147.793
Percentage of FinancingReceivableRevolvingConvertedtoTermLoans1.17.40.046.410.0

us-gaap:ConsumerLoan


Financing
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-31
Value0.1920.7070.5140.7770.4390.4420.508
Percentage of FinancingReceivableRevolvingConvertedtoTermLoans0.73.81.02.41.31.50.7

colb:FinancingReceivableRevolvingConvertedtoTermLoans us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable, us-gaap:InternalCreditAssessment

colb:Agriculture, us-gaap:Pass


Financing
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-31
Value1.7440.559.29912177.02610
Percentage of FinancingReceivableRevolvingConvertedtoTermLoans6.43.018.237.749.923.112.9

colb:Agriculture, us-gaap:SpecialMention


Financing
Period End2020-12-312020-06-302020-03-312019-12-31
Value0.0130.00.00.0
Percentage of FinancingReceivableRevolvingConvertedtoTermLoans0.00.00.00.0

colb:Agriculture, us-gaap:Substandard


Financing
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-31
Value0.9070.7441.4580.492.6582.5196.388
Percentage of FinancingReceivableRevolvingConvertedtoTermLoans3.34.02.91.57.78.38.2

colb:CommercialBusiness, us-gaap:Pass


Financing
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-31
Value1612118.6745.9511.54725
Percentage of FinancingReceivableRevolvingConvertedtoTermLoans61.766.222.626.617.35.132.9

colb:CommercialBusiness, us-gaap:SpecialMention


Financing
Period End2021-06-302021-03-312020-06-302020-03-312019-12-31
Value0.2510.1430.00.00.0
Percentage of FinancingReceivableRevolvingConvertedtoTermLoans0.90.80.00.00.0

colb:CommercialBusiness, us-gaap:Substandard


Financing
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-31
Value1.3170.8382.7723.5013.0853.0431.396
Percentage of FinancingReceivableRevolvingConvertedtoTermLoans4.84.55.410.79.010.01.8

colb:OneToFourFamilyResidential, us-gaap:Pass


Financing
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-31
Value0.6220.3083.6553.110.790.080.554
Percentage of FinancingReceivableRevolvingConvertedtoTermLoans2.31.77.29.52.30.30.7

colb:OneToFourFamilyResidential, us-gaap:Substandard


Financing
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-31
Value0.1550.2190.3070.1970.7550.0150.481
Percentage of FinancingReceivableRevolvingConvertedtoTermLoans0.61.20.60.62.20.00.6

us-gaap:CommercialRealEstate, us-gaap:Pass


Financing
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-31
Value2.7752.781113.5522.4241.63719
Percentage of FinancingReceivableRevolvingConvertedtoTermLoans10.214.922.210.97.15.425.7

us-gaap:CommercialRealEstate, us-gaap:SpecialMention


Financing
Period End2021-06-302020-12-312020-06-302020-03-312019-12-31
Value2.1952.1390.00.00.0
Percentage of FinancingReceivableRevolvingConvertedtoTermLoans8.04.20.00.00.0

us-gaap:CommercialRealEstate, us-gaap:Substandard


Financing
Period End2020-12-312020-06-302020-03-312019-12-31
Value4.2591.0720.05.071
Percentage of FinancingReceivableRevolvingConvertedtoTermLoans8.33.10.06.5

us-gaap:Construction, us-gaap:Pass


Financing
Period End2021-06-302020-12-312020-06-302020-03-312019-12-31
Value0.3043.7530.0147.793
Percentage of FinancingReceivableRevolvingConvertedtoTermLoans1.17.40.046.410.0

us-gaap:ConsumerLoan, us-gaap:Pass


Financing
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-31
Value0.1920.610.4740.7360.4390.4420.508
Percentage of FinancingReceivableRevolvingConvertedtoTermLoans0.73.30.92.31.31.50.7

us-gaap:ConsumerLoan, us-gaap:Substandard


Financing
Period End2021-03-312020-12-312020-09-302020-06-302020-03-312019-12-31
Value0.0970.040.0410.00.00.0
Percentage of FinancingReceivableRevolvingConvertedtoTermLoans0.50.10.10.00.00.0

colb:GoodwillAndIntangibleAssetsTotal

colb:GoodwillAndIntangibleAssetsTotal


Goodwill
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302009-12-31
Value788790792794796798801803806809811814817820824396397399400401403404406407409411412365366368369372375130131132133134135139137127128129130100
Percentage of GoodwillAndIntangibleAssetsTotal100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

colb:Idahostateoperatinglosscarryforwardssettobegintoexpirein2024

colb:Idahostateoperatinglosscarryforwardssettobegintoexpirein2024


Idahostateoperatinglosscarryforwardssettobegintoexpirein2024
Period End2020-12-31
Value11
Percentage of Idahostateoperatinglosscarryforwardssettobegintoexpirein2024100.0

colb:InterestRateDerivativeAssetMeasurementInput us-gaap:Range, us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FinancialInstrument, us-gaap:MeasurementInputType, us-gaap:ValuationTechnique

colb:InterestRateDerivativeAssetMeasurementInput

srt:Maximum, us-gaap:FairValueInputsLevel3, us-gaap:InterestRateLockCommitments, colb:MeasurementInputPullThroughRateMember, colb:ValuationTechniqueInternalPricingModelMember


Interest
Period End2021-06-302021-03-312020-12-31
Value98.53100.096.63
Percentage of InterestRateDerivativeAssetMeasurementInput100.0100.0100.0

srt:Minimum, us-gaap:FairValueInputsLevel3, us-gaap:InterestRateLockCommitments, colb:MeasurementInputPullThroughRateMember, colb:ValuationTechniqueInternalPricingModelMember


Interest
Period End2021-06-302021-03-312020-12-31
Value78.579.8775.43
Percentage of InterestRateDerivativeAssetMeasurementInput79.779.978.1

srt:WeightedAverage, us-gaap:FairValueInputsLevel3, us-gaap:InterestRateLockCommitments, colb:MeasurementInputPullThroughRateMember, colb:ValuationTechniqueInternalPricingModelMember


Interest
Period End2021-06-302021-03-312020-12-31
Value88.8990.3988.13
Percentage of InterestRateDerivativeAssetMeasurementInput90.290.491.2

colb:Interestbearingpublicfundsotherthancertificatesofdeposit

colb:Interestbearingpublicfundsotherthancertificatesofdeposit


Interestbearingpublicfundsotherthancertificatesofdeposit
Period End2020-12-312019-12-312018-12-31
Value656301233
Percentage of Interestbearingpublicfundsotherthancertificatesofdeposit100.0100.0100.0

colb:LoanspledgedtocollateralizeFederalHomeLoanBankAdvances us-gaap:FinancialInstrument

colb:LoanspledgedtocollateralizeFederalHomeLoanBankAdvances

us-gaap:LoansReceivable


Loanspledgedtocollateralize
Period End2020-12-312019-12-312018-12-312017-12-31
Value3460324032202250
Percentage of LoanspledgedtocollateralizeFederalHomeLoanBankAdvances100.0100.0100.0100.0

colb:LoanspledgedtocollateralizeFederalReserveBankBorrowings us-gaap:FinancialInstrument

colb:LoanspledgedtocollateralizeFederalReserveBankBorrowings

us-gaap:CommercialLoan


Loanspledgedtocollateralize
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312018-12-312017-12-31
Value2002002002001991491518270
Percentage of LoanspledgedtocollateralizeFederalReserveBankBorrowings100.0100.0100.0100.0100.0100.0100.0100.0100.0

colb:NumberOfBranchLocations

colb:NumberOfBranchLocations


Number
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-31
Value145.0146.0150.0155.0143.0149.0154.0142.099.0102.0
Percentage of NumberOfBranchLocations100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

colb:NumberOfBranchLocations us-gaap:StatementGeographical

stpr:ID


Number
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-31
Value15.014.014.014.014.016.016.0
Percentage of NumberOfBranchLocations10.39.69.39.09.810.710.4

stpr:OR


Number
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-31
Value60.061.062.066.056.059.060.062.025.025.0
Percentage of NumberOfBranchLocations41.441.841.342.639.239.639.043.725.324.5

stpr:WA


Number
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-31
Value70.071.074.075.073.074.078.080.074.077.0
Percentage of NumberOfBranchLocations48.348.649.348.451.049.750.656.374.775.5

colb:Oregonstateoperatinglosscarryforwardssettobegintoexpirein2024

colb:Oregonstateoperatinglosscarryforwardssettobegintoexpirein2024


Oregonstateoperatinglosscarryforwardssettobegintoexpirein2024
Period End2020-12-31
Value85000.0
Percentage of Oregonstateoperatinglosscarryforwardssettobegintoexpirein2024100.0

colb:OtherRealEstateOwnedFairValueDisclosure us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementFrequency

colb:OtherRealEstateOwnedFairValueDisclosure

us-gaap:FairValueInputsLevel3, us-gaap:FairValueMeasurementsNonrecurring


Other
Period End2021-06-302020-12-312019-03-312018-09-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312012-12-312011-12-31
Value0.3750.5250.531.240.161.4230.6250.1051.264.3880.3356.3382.5534.5243.2861.6641.4295.3652.953.2266.1250.6132.6632.442
Percentage of OtherRealEstateOwnedFairValueDisclosure100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

colb:OtherRealEstateOwnedFairValueDisclosure us-gaap:FairValueByMeasurementFrequency

us-gaap:FairValueMeasurementsNonrecurring


Other
Period End2021-06-302020-12-312019-03-312018-09-302018-03-312017-09-302017-06-302017-03-312016-09-302016-06-302016-03-312015-09-302015-06-302015-03-312014-09-302014-06-302014-03-312013-12-312012-12-312011-12-31
Value0.3750.5250.531.240.160.6250.1051.260.3356.3382.5533.2861.6641.4292.953.2266.1250.6132.6632.442
Percentage of OtherRealEstateOwnedFairValueDisclosure100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

colb:Otherbrokeredcertificatesofdeposit

colb:Otherbrokeredcertificatesofdeposit


Otherbrokeredcertificatesofdeposit
Period End2020-12-312019-12-312018-12-312017-12-312016-12-31
Value5.01257780.0
Percentage of Otherbrokeredcertificatesofdeposit100.0100.0100.0100.00.0

colb:PaycheckProtectionProgramPPPloansnetofunearnedincome

colb:PaycheckProtectionProgramPPPloansnetofunearnedincome


Paycheck
Period End2021-06-302021-03-312020-12-312020-09-30
Value691894651953
Percentage of PaycheckProtectionProgramPPPloansnetofunearnedincome100.0100.0100.0100.0

colb:Repurchaseagreementsnetamountpresentedinstatementoffinancialposition

colb:Repurchaseagreementsnetamountpresentedinstatementoffinancialposition


Repurchaseagreementsnetamountpresentedinstatementoffinancialposition
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312012-12-31
Value70387326512964245023616246247940654680698973997392961052525252525
Percentage of Repurchaseagreementsnetamountpresentedinstatementoffinancialposition100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

colb:TierOneRiskBasedCapitalRequiredforCapitalAdequacypluscapitalconservationbufferfullyphasedin

colb:TierOneRiskBasedCapitalRequiredforCapitalAdequacypluscapitalconservationbufferfullyphasedin


Tier
Period End2020-12-312019-12-312018-12-312017-12-312016-12-31
Value918899836838637
Percentage of TierOneRiskBasedCapitalRequiredforCapitalAdequacypluscapitalconservationbufferfullyphasedin100.0100.0100.0100.0100.0

colb:TierOneRiskBasedCapitalRequiredforCapitalAdequacypluscapitalconservationbufferfullyphasedin dei:LegalEntity

colb:BankingSubsidiaries


Tier
Period End2020-12-312019-12-312018-12-312017-12-312016-12-31
Value917898835838637
Percentage of TierOneRiskBasedCapitalRequiredforCapitalAdequacypluscapitalconservationbufferfullyphasedin99.999.9100.0100.0100.0

colb:VisaClassBsharesremainingshares

colb:VisaClassBsharesremainingshares


Visa
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-31
Value77683.077683.077683.077683.077683.095043.0
Percentage of VisaClassBsharesremainingshares100.0100.0100.0100.0100.0100.0

dei:EntityCommonStockSharesOutstanding

dei:EntityCommonStockSharesOutstanding


Entity
Period End2021-07-312021-04-302021-01-312020-10-31
Value71717171
Percentage of EntityCommonStockSharesOutstanding100.0100.0100.0100.0

us-gaap:AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedGainBeforeTax

us-gaap:AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedGainBeforeTax


Available
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-31
Value10313721920520314863796031122.2593.6254.2088.48
Percentage of AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedGainBeforeTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedGainBeforeTax us-gaap:FinancialInstrument

colb:USGovernmentAgencyAndGovernmentSponsoredEnterpriseMortgageBackedSecuritiesAndCollateralizedMortgageObligations


Available
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-31
Value74109178168168123476150249.2360.2950.5671.815
Percentage of AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedGainBeforeTax71.979.281.281.882.583.574.477.283.680.272.213.115.621.4

us-gaap:AssetBackedSecurities


Available
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302018-12-31
Value6.3075.2169.6519.0558.7297.3092.4765.1490.763
Percentage of AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedGainBeforeTax6.13.84.44.44.34.93.96.56.0

us-gaap:MunicipalBonds


Available
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-31
Value181825211910109.4717.4594.8332.3281.9272.9846.023
Percentage of AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedGainBeforeTax17.613.111.410.49.77.016.812.012.215.618.285.382.371.0

us-gaap:USGovernmentCorporationsAndAgenciesSecurities


Available
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-31
Value4.6635.3496.5456.9327.2626.7933.1273.3822.5271.3211.2350.0370.0740.642
Percentage of AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedGainBeforeTax4.53.93.03.43.64.64.94.34.14.39.61.62.07.6

us-gaap:AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedLossBeforeTax

us-gaap:AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedLossBeforeTax


Available
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-31
Value17587.2685.0521.4911.779201112305590736334
Percentage of AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedLossBeforeTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedLossBeforeTax us-gaap:FinancialInstrument

colb:USGovernmentAgencyAndGovernmentSponsoredEnterpriseMortgageBackedSecuritiesAndCollateralizedMortgageObligations


Available
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-31
Value9.342454.5433.6571.3611.4481911112643695627
Percentage of AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedLossBeforeTax54.676.962.572.491.381.494.095.490.185.377.776.476.780.3

us-gaap:AssetBackedSecurities


Available
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302018-12-31
Value3.9765.6562.0760.530.0730.0470.9890.0532.621
Percentage of AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedLossBeforeTax23.29.628.610.54.92.64.80.54.7

us-gaap:MunicipalBonds


Available
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-31
Value2.4586.3650.5920.8130.0570.2840.2240.431.0592.5617.76129.8763.959
Percentage of AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedLossBeforeTax14.410.88.116.13.816.01.13.78.48.413.913.513.411.6

us-gaap:USGovernmentCorporationsAndAgenciesSecurities


Available
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-31
Value1.3331.5670.0570.0520.00.00.0050.0520.1881.944.7369.0877.2282.762
Percentage of AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedLossBeforeTax7.82.70.81.00.00.00.00.41.56.38.510.09.88.1

us-gaap:AvailableForSaleDebtSecuritiesAmortizedCostBasis

us-gaap:AvailableForSaleDebtSecuritiesAmortizedCostBasis


Available
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-31
Value410354174997408134913406370333002816302632103009271626832763
Percentage of AvailableForSaleDebtSecuritiesAmortizedCostBasis100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:AvailableForSaleDebtSecuritiesAmortizedCostBasis us-gaap:FinancialInstrument

colb:USGovernmentAgencyAndGovernmentSponsoredEnterpriseMortgageBackedSecuritiesAndCollateralizedMortgageObligations


Available
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-31
Value26714040364029572698264328642432209921562222199717321752
Percentage of AvailableForSaleDebtSecuritiesAmortizedCostBasis65.174.672.872.577.377.677.473.774.671.369.266.463.863.4

us-gaap:AssetBackedSecurities


Available
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302018-12-31
Value429359349284215196194166176
Percentage of AvailableForSaleDebtSecuritiesAmortizedCostBasis10.56.67.07.06.25.85.35.05.5

us-gaap:MunicipalBonds


Available
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-31
Value748739729536448437478488503534579578584593
Percentage of AvailableForSaleDebtSecuritiesAmortizedCostBasis18.213.714.613.212.912.912.914.817.917.618.119.221.521.5

us-gaap:USGovernmentCorporationsAndAgenciesSecurities


Available
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-31
Value253278278302128128165212212335408433398416
Percentage of AvailableForSaleDebtSecuritiesAmortizedCostBasis6.25.15.67.43.73.84.56.47.611.112.714.414.715.1

us-gaap:AvailableForSaleSecurities us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementFrequency

us-gaap:AvailableForSaleSecurities

us-gaap:FairValueInputsLevel2, us-gaap:FairValueMeasurementsRecurring


Available
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302012-12-312011-09-30
Value41905496521042813693355337463367286430273167292026452623273722072264233122772359227921852137200718941986207715911569161916431549981995
Percentage of AvailableForSaleSecurities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

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

us-gaap:FairValueInputsLevel2, us-gaap:FairValueMeasurementsRecurring, us-gaap:AssetBackedSecurities


Available
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302018-12-31
Value432358357293224203196171174
Percentage of AvailableForSaleSecurities10.36.56.96.86.15.75.25.15.5

us-gaap:FairValueInputsLevel2, us-gaap:FairValueMeasurementsRecurring, us-gaap:MortgageBackedSecuritiesIssuedByUSGovernmentSponsoredEnterprises


Available
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302015-12-31
Value2737410438143121286527662892248221392155218819281676164517261377142314861465151214211286
Percentage of AvailableForSaleSecurities65.374.773.272.977.677.977.273.774.771.269.166.063.462.763.162.462.963.864.364.162.460.2

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


Available
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302015-12-31
Value764751753557468448488497509536574567577582596483483487475503518492
Percentage of AvailableForSaleSecurities18.213.714.513.012.712.613.014.817.817.718.119.421.822.221.821.921.320.920.921.322.723.0

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


Available
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302015-12-31
Value256281284309135135168215214334404424391395414341352352331338333353
Percentage of AvailableForSaleSecurities6.15.15.57.23.73.84.56.47.511.112.814.514.815.115.215.515.615.114.614.314.616.6

us-gaap:AvailableForSaleSecurities us-gaap:FairValueByMeasurementFrequency

us-gaap:FairValueMeasurementsRecurring


Available
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302012-12-312011-09-30
Value419054965210428136933553374633672864302731672921264626242742220722642331227823602279218621572027191420072098161115901639166415691001995
Percentage of AvailableForSaleSecurities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.2100.0100.0100.0100.0100.0100.0100.0100.9101.0101.1101.0101.0101.3101.3101.3101.2101.3102.0100.0

us-gaap:AvailableForSaleSecurities us-gaap:FairValueByMeasurementFrequency, us-gaap:FinancialInstrument

us-gaap:FairValueMeasurementsRecurring, us-gaap:AssetBackedSecurities


Available
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302018-12-31
Value432358357293224203196171174
Percentage of AvailableForSaleSecurities10.36.56.96.86.15.75.25.15.5

us-gaap:FairValueMeasurementsRecurring, us-gaap:MortgageBackedSecuritiesIssuedByUSGovernmentSponsoredEnterprises


Available
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302015-12-31
Value2737410438143121286527662892248221392155218819281676164517261377142314861465151214211286
Percentage of AvailableForSaleSecurities65.374.773.272.977.677.977.273.774.771.269.166.063.462.763.162.462.963.864.364.162.460.2

us-gaap:FairValueMeasurementsRecurring, us-gaap:MunicipalBonds


Available
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302015-12-31
Value764751753557468448488497509536574567577582596483483487475503518492
Percentage of AvailableForSaleSecurities18.213.714.513.012.712.613.014.817.817.718.119.421.822.221.821.921.320.920.921.322.723.0

us-gaap:FairValueMeasurementsRecurring, us-gaap:USGovernmentAgenciesDebtSecurities


Available
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302015-12-31
Value256281284309135135168215214334404424391395414341352352331338333353
Percentage of AvailableForSaleSecurities6.15.15.57.23.73.84.56.47.511.112.814.514.815.115.215.515.615.114.614.314.616.6

us-gaap:AvailableForSaleSecuritiesContinuousUnrealizedLossPositionAccumulatedLoss

us-gaap:AvailableForSaleSecuritiesContinuousUnrealizedLossPositionAccumulatedLoss


Available
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302013-12-31
Value17587.2685.0521.4911.779201112305590736334212228303.052.4064.421186.442136.608142038
Percentage of AvailableForSaleSecuritiesContinuousUnrealizedLossPositionAccumulatedLoss100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:AvailableForSaleSecuritiesContinuousUnrealizedLossPositionAccumulatedLoss us-gaap:FinancialInstrument

colb:USGovernmentAgencyAndGovernmentSponsoredEnterpriseMortgageBackedSecuritiesAndCollateralizedMortgageObligations


Available
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-31
Value9.342454.5433.6571.3611.4481911112643695627
Percentage of AvailableForSaleSecuritiesContinuousUnrealizedLossPositionAccumulatedLoss54.676.962.572.491.381.494.095.490.185.377.776.476.780.3

us-gaap:AssetBackedSecurities


Available
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302018-12-31
Value3.9765.6562.0760.530.0730.0470.9890.0532.621
Percentage of AvailableForSaleSecuritiesContinuousUnrealizedLossPositionAccumulatedLoss23.29.628.610.54.92.64.80.54.7

us-gaap:MunicipalBonds


Available
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-31
Value2.4586.3650.5920.8130.0570.2840.2240.431.0592.5617.76129.8763.959
Percentage of AvailableForSaleSecuritiesContinuousUnrealizedLossPositionAccumulatedLoss14.410.88.116.13.816.01.13.78.48.413.913.513.411.6

us-gaap:USGovernmentCorporationsAndAgenciesSecurities


Available
Period End2021-06-302021-03-312020-12-312020-09-302019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-31
Value1.3331.5670.0570.0520.0050.0520.1881.944.7369.0877.2282.762
Percentage of AvailableForSaleSecuritiesContinuousUnrealizedLossPositionAccumulatedLoss7.82.70.81.00.00.41.56.38.510.09.88.1

us-gaap:AvailableForSaleSecuritiesContinuousUnrealizedLossPositionFairValue

us-gaap:AvailableForSaleSecuritiesContinuousUnrealizedLossPositionFairValue


Available
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302010-12-31
Value14382322899604124136167911479661719214927692383238721741314136015601626404248338121746489758799983374292210548669493522685312020324413458167
Percentage of AvailableForSaleSecuritiesContinuousUnrealizedLossPositionFairValue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:AvailableForSaleSecuritiesContinuousUnrealizedLossPositionFairValue us-gaap:FinancialInstrument

colb:USGovernmentAgencyAndGovernmentSponsoredEnterpriseMortgageBackedSecuritiesAndCollateralizedMortgageObligations


Available
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-31
Value830167759334196751547100678612521456191916281533
Percentage of AvailableForSaleSecuritiesContinuousUnrealizedLossPositionFairValue57.872.266.056.677.655.592.287.781.472.867.769.368.370.5

us-gaap:AssetBackedSecurities


Available
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302018-12-31
Value232183143712015966.926134
Percentage of AvailableForSaleSecuritiesContinuousUnrealizedLossPositionFairValue16.17.916.011.916.811.65.70.66.3

us-gaap:MunicipalBonds


Available
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-31
Value22431186906.937442476114212386429383295
Percentage of AvailableForSaleSecuritiesContinuousUnrealizedLossPositionFairValue15.613.49.615.05.632.91.56.611.912.418.015.516.113.6

us-gaap:USGovernmentCorporationsAndAgenciesSecurities


Available
Period End2021-06-302021-03-312020-12-312020-09-302019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-31
Value1501497499105764253306420370340
Percentage of AvailableForSaleSecuritiesContinuousUnrealizedLossPositionFairValue10.46.48.316.50.65.06.714.814.315.215.615.6

us-gaap:AvailableForSaleSecuritiesContinuousUnrealizedLossPositionLessThanTwelveMonthsFairValue

us-gaap:AvailableForSaleSecuritiesContinuousUnrealizedLossPositionLessThanTwelveMonthsFairValue


Available
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302010-12-31
Value1413230688058076631157531105.1912761718147414891220788116313981461234681259181625441424372421137608877999353392543411918924213153163
Percentage of AvailableForSaleSecuritiesContinuousUnrealizedLossPositionLessThanTwelveMonthsFairValue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:AvailableForSaleSecuritiesContinuousUnrealizedLossPositionLessThanTwelveMonthsFairValue us-gaap:FinancialInstrument

colb:USGovernmentAgencyAndGovernmentSponsoredEnterpriseMortgageBackedSecuritiesAndCollateralizedMortgageObligations


Available
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-31
Value8071661575318495.65310554781.1651.8791541084906816
Percentage of AvailableForSaleSecuritiesContinuousUnrealizedLossPositionLessThanTwelveMonthsFairValue57.172.065.354.964.08.891.290.111.036.256.063.161.566.9

us-gaap:AssetBackedSecurities


Available
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302018-12-31
Value232183143712015890.040
Percentage of AvailableForSaleSecuritiesContinuousUnrealizedLossPositionLessThanTwelveMonthsFairValue16.48.016.312.327.023.67.70.014.5

us-gaap:MunicipalBonds


Available
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-31
Value22331186906.9374312528.8953.312106333306220
Percentage of AvailableForSaleSecuritiesContinuousUnrealizedLossPositionLessThanTwelveMonthsFairValue15.813.59.815.69.067.51.19.984.263.838.519.420.818.0

us-gaap:USGovernmentCorporationsAndAgenciesSecurities


Available
Period End2021-06-302021-03-312020-12-312020-09-302019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-31
Value15014974990.00.00.5020.015300261184
Percentage of AvailableForSaleSecuritiesContinuousUnrealizedLossPositionLessThanTwelveMonthsFairValue10.66.58.517.20.00.04.80.05.617.517.715.1

us-gaap:AvailableForSaleSecuritiesContinuousUnrealizedLossPositionTwelveMonthsOrLongerFairValue

us-gaap:AvailableForSaleSecuritiesContinuousUnrealizedLossPositionTwelveMonthsOrLongerFairValue


Available
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302010-12-31
Value25161823477252161695517131873105190989895352519616116517017921329830135244556159162916216667131213191.035132.1162.4524.1454.348
Percentage of AvailableForSaleSecuritiesContinuousUnrealizedLossPositionTwelveMonthsOrLongerFairValue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:AvailableForSaleSecuritiesContinuousUnrealizedLossPositionTwelveMonthsOrLongerFairValue us-gaap:FinancialInstrument

colb:USGovernmentAgencyAndGovernmentSponsoredEnterpriseMortgageBackedSecuritiesAndCollateralizedMortgageObligations


Available
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-31
Value23161823476949152878512501301834722717
Percentage of AvailableForSaleSecuritiesContinuousUnrealizedLossPositionTwelveMonthsOrLongerFairValue93.299.699.699.699.896.994.385.782.273.069.579.479.575.2

us-gaap:AssetBackedSecurities


Available
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302018-12-31
Value0.0550.0690.070.0950.0950.6266.7996.92694
Percentage of AvailableForSaleSecuritiesContinuousUnrealizedLossPositionTwelveMonthsOrLongerFairValue0.20.40.40.40.20.91.31.15.0

us-gaap:MunicipalBonds


Available
Period End2021-06-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-31
Value1.6470.01.6321223105209280967675
Percentage of AvailableForSaleSecuritiesContinuousUnrealizedLossPositionTwelveMonthsOrLongerFairValue6.60.02.32.43.811.112.215.09.18.57.9

us-gaap:AvailableForSaleSecuritiesDebtMaturitiesAfterFiveThroughTenYearsAmortizedCost

us-gaap:AvailableForSaleSecuritiesDebtMaturitiesAfterFiveThroughTenYearsAmortizedCost


Available
Period End2021-06-302021-03-312020-12-312020-09-30
Value1531245722952000
Percentage of AvailableForSaleSecuritiesDebtMaturitiesAfterFiveThroughTenYearsAmortizedCost100.0100.0100.0100.0

us-gaap:AvailableForSaleSecuritiesDebtMaturitiesAfterFiveThroughTenYearsFairValue

us-gaap:AvailableForSaleSecuritiesDebtMaturitiesAfterFiveThroughTenYearsFairValue


Available
Period End2021-06-302021-03-312020-12-312020-09-30
Value1578250724312133
Percentage of AvailableForSaleSecuritiesDebtMaturitiesAfterFiveThroughTenYearsFairValue100.0100.0100.0100.0

us-gaap:AvailableForSaleSecuritiesDebtMaturitiesAfterOneThroughFiveYearsAmortizedCost

us-gaap:AvailableForSaleSecuritiesDebtMaturitiesAfterOneThroughFiveYearsAmortizedCost


Available
Period End2021-06-302021-03-312020-12-312020-09-30
Value751737713595
Percentage of AvailableForSaleSecuritiesDebtMaturitiesAfterOneThroughFiveYearsAmortizedCost100.0100.0100.0100.0

us-gaap:AvailableForSaleSecuritiesDebtMaturitiesAfterOneThroughFiveYearsFairValue

us-gaap:AvailableForSaleSecuritiesDebtMaturitiesAfterOneThroughFiveYearsFairValue


Available
Period End2021-06-302021-03-312020-12-312020-09-30
Value779765752626
Percentage of AvailableForSaleSecuritiesDebtMaturitiesAfterOneThroughFiveYearsFairValue100.0100.0100.0100.0

us-gaap:AvailableForSaleSecuritiesDebtMaturitiesAfterTenYearsAmortizedCost

us-gaap:AvailableForSaleSecuritiesDebtMaturitiesAfterTenYearsAmortizedCost


Available
Period End2021-06-302021-03-312020-12-312020-09-30
Value1763214119181392
Percentage of AvailableForSaleSecuritiesDebtMaturitiesAfterTenYearsAmortizedCost100.0100.0100.0100.0

us-gaap:AvailableForSaleSecuritiesDebtMaturitiesAfterTenYearsFairValue

us-gaap:AvailableForSaleSecuritiesDebtMaturitiesAfterTenYearsFairValue


Available
Period End2021-06-302021-03-312020-12-312020-09-30
Value1774214119561429
Percentage of AvailableForSaleSecuritiesDebtMaturitiesAfterTenYearsFairValue100.0100.0100.0100.0

us-gaap:AvailableForSaleSecuritiesDebtMaturitiesWithinOneYearAmortizedCost

us-gaap:AvailableForSaleSecuritiesDebtMaturitiesWithinOneYearAmortizedCost


Available
Period End2021-06-302021-03-312020-12-312020-09-30
Value57816992
Percentage of AvailableForSaleSecuritiesDebtMaturitiesWithinOneYearAmortizedCost100.0100.0100.0100.0

us-gaap:AvailableForSaleSecuritiesDebtMaturitiesWithinOneYearFairValue

us-gaap:AvailableForSaleSecuritiesDebtMaturitiesWithinOneYearFairValue


Available
Period End2021-06-302021-03-312020-12-312020-09-30
Value57816992
Percentage of AvailableForSaleSecuritiesDebtMaturitiesWithinOneYearFairValue100.0100.0100.0100.0

us-gaap:AvailableForSaleSecuritiesDebtSecurities

us-gaap:AvailableForSaleSecuritiesDebtSecurities


Available
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-31
Value419054965210428136933553374633672864302731672921264626242737
Percentage of AvailableForSaleSecuritiesDebtSecurities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

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

us-gaap:FairValueInputsLevel2, us-gaap:EstimateOfFairValueFairValueDisclosure


Available
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-31
Value419054965210428136933553374633672864302731672920264526232737
Percentage of AvailableForSaleSecuritiesDebtSecurities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:Availab