CATY


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

Table of contents



us-gaap:CommonStockValue
us-gaap:ConsolidatedEntities

us-gaap:TierOneRiskBasedCapitalToRiskWeightedAssets
dei:LegalEntity

us-gaap:CapitalToRiskWeightedAssets
dei:LegalEntity
us-gaap:AwardType
us-gaap:AllocatedShareBasedCompensationExpense

us-gaap:ComprehensiveIncomeNetOfTax

us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest

us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments

us-gaap:IncomeTaxExpenseBenefit

us-gaap:IncomeTaxesPaid

us-gaap:InterestAndFeeIncomeLoansAndLeases

us-gaap:InterestExpense

us-gaap:InterestIncomeExpenseNet

us-gaap:InterestIncomeOperating

us-gaap:InterestPaidNet

us-gaap:NetIncomeLoss
us-gaap:StatementEquityComponents

us-gaap:OtherComprehensiveIncomeLossNetOfTax

us-gaap:RevenueFromContractWithCustomerIncludingAssessedTax
us-gaap:ProductOrService

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:CumulativeEffectPeriodOfAdoption
us-gaap:CumulativeEffectPeriodOfAdoption, us-gaap:AdjustmentsForNewAccountingPronouncements
us-gaap:CumulativeEffectPeriodOfAdoption, us-gaap:AdjustmentsForNewAccountingPronouncements, us-gaap:StatementEquityComponents
us-gaap:StatementEquityComponents

us-gaap:TierOneRiskBasedCapital
dei:LegalEntity
us-gaap:ConsolidatedEntities
us-gaap:Cash
us-gaap:ConsolidatedEntities
us-gaap:CashAndCashEquivalentsAtCarryingValue
us-gaap:ConsolidatedEntities
us-gaap:ShortTermInvestments
us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementBasis
us-gaap:FairValueByMeasurementBasis

us-gaap:PropertyPlantAndEquipmentGross
us-gaap:PropertyPlantAndEquipmentByType

us-gaap:AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment

us-gaap:AmortizationOfIntangibleAssets

us-gaap:PropertyPlantAndEquipmentNet

us-gaap:Goodwill

us-gaap:IntangibleAssetsNetExcludingGoodwill

us-gaap:DeferredTaxAssetsLiabilitiesNet

us-gaap:OperatingLeaseRightOfUseAsset

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

us-gaap:OtherAssets
us-gaap:ConsolidatedEntities

us-gaap:TimeDepositMaturitiesYearOne

us-gaap:LongTermDebt

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearTwo

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearThree

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearFour

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearFive

us-gaap:OperatingLeaseLiability

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDue

us-gaap:LesseeOperatingLeaseLiabilityUndiscountedExcessAmount

us-gaap:StockholdersEquity
us-gaap:ConsolidatedEntities
us-gaap:CumulativeEffectPeriodOfAdoption
us-gaap:CumulativeEffectPeriodOfAdoption, us-gaap:AdjustmentsForNewAccountingPronouncements
us-gaap:CumulativeEffectPeriodOfAdoption, us-gaap:AdjustmentsForNewAccountingPronouncements, us-gaap:StatementEquityComponents
us-gaap:StatementEquityComponents

us-gaap:CommonStockValue
us-gaap:ConsolidatedEntities

us-gaap:AdditionalPaidInCapital
us-gaap:ConsolidatedEntities

us-gaap:RetainedEarningsAccumulatedDeficit
us-gaap:AdjustmentsForNewAccountingPronouncements
us-gaap:ConsolidatedEntities

us-gaap:AccumulatedOtherComprehensiveIncomeLossNetOfTax
us-gaap:ConsolidatedEntities

us-gaap:TreasuryStockValue
us-gaap:ConsolidatedEntities

us-gaap:AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue
us-gaap:StatementEquityComponents

us-gaap:NetCashProvidedByUsedInOperatingActivities

us-gaap:NetCashProvidedByUsedInInvestingActivities

us-gaap:NetCashProvidedByUsedInFinancingActivities

us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect

us-gaap:DepreciationDepletionAndAmortization

us-gaap:NetCashProvidedByUsedInOperatingActivities

us-gaap:NetIncomeLoss
us-gaap:StatementEquityComponents

us-gaap:ShareBasedCompensation

us-gaap:NetCashProvidedByUsedInInvestingActivities

us-gaap:PaymentsToAcquirePropertyPlantAndEquipment

us-gaap:NetCashProvidedByUsedInFinancingActivities

us-gaap:PaymentsOfDividends

us-gaap:PaymentsForRepurchaseOfCommonStock

us-gaap:EffectiveIncomeTaxRateContinuingOperations

us-gaap:DeferredTaxAssetsNet
us-gaap:CumulativeEffectPeriodOfAdoption
us-gaap:Restatement, us-gaap:ErrorCorrectionsAndPriorPeriodAdjustmentsRestatementByRestatementPeriodAndAmount

caty:AccretionAmortizationOfInvestments

caty:AmortizationOfRightOfUseAssetOperatingLease

caty:AverageReserveBalancesRequiredToBeMaintainedWithFederalBank

caty:BenefitShortfallOfTaxDeductionsFromSharebasedCompensation

caty:ChangeInOperatingLeaseLiabilities

caty:DebtRedemptionCost

caty:DepositoryServiceFees

caty:DividendIncomeFromFederalHomeLoanBankStock

caty:FinancingReceivableAllowanceForCreditLossWriteoffAfterRecoveryNet
us-gaap:FinancingReceivablePortfolioSegment

caty:FinancingReceivableAllowanceForCreditLossesNetChargeOffs
us-gaap:FinancingReceivablePortfolioSegment
us-gaap:FinancingReceivablePortfolioSegment
caty:FinancingReceivableOriginatedMoreThanFiveYearsBeforeCurrentFiscalYearAllowanceForCreditLossRecovery

caty:FinancingReceivableOriginatedMoreThanFiveYearsBeforeCurrentFiscalYearAllowanceForCreditLossWriteOffAfterRecovery
us-gaap:FinancingReceivablePortfolioSegment
us-gaap:FinancingReceivablePortfolioSegment
caty:FinancingReceivableRevolvingAllowanceForCreditLossRecovery
us-gaap:FinancingReceivablePortfolioSegment
caty:FinancingReceivableRevolvingAllowanceForCreditLossWriteOff

caty:FinancingReceivableRevolvingAllowanceForCreditLossWriteOffAfterRecovery
us-gaap:FinancingReceivablePortfolioSegment
us-gaap:FinancingReceivablePortfolioSegment
caty:FinancingReceivableRevolvingConvertedToTermLoanRecovery

caty:FinancingReceivableRevolvingConvertedToTermLoanWriteoffAfterRecovery
us-gaap:FinancingReceivablePortfolioSegment
us-gaap:FinancingReceivablePortfolioSegment
caty:FinancingReceivableYearFourOriginatedThreeYearsBeforeCurrentFiscalYearAllowanceForCreditLossRecovery
us-gaap:FinancingReceivablePortfolioSegment
caty:FinancingReceivableYearFourOriginatedThreeYearsBeforeCurrentFiscalYearAllowanceForCreditLossWriteOff

caty:FinancingReceivableYearFourOriginatedThreeYearsBeforeCurrentFiscalYearAllowanceForCreditLossWriteOffAfterRecovery
us-gaap:FinancingReceivablePortfolioSegment
us-gaap:FinancingReceivablePortfolioSegment
caty:FinancingReceivableYearThreeOriginatedTwoYearsBeforeCurrentFiscalYearAllowanceForCreditLossWriteOff

caty:FinancingReceivableYearThreeOriginatedTwoYearsBeforeCurrentFiscalYearAllowanceForCreditLossWriteOffAfterRecovery
us-gaap:FinancingReceivablePortfolioSegment
us-gaap:FinancingReceivablePortfolioSegment
caty:FinancingReceivableYearTwoOriginatedAllowanceForCreditLossWriteOff

caty:FinancingReceivableYearTwoOriginatedAllowanceForCreditLossWriteOffAfterRecovery
us-gaap:FinancingReceivablePortfolioSegment

caty:ForeclosedRealEstateExpenseIncome

caty:InterestExpenseDeferredPaymentsFromAcquisition

caty:LetterOfCreditCommissions

caty:NetChangeInUnrealizedHoldingLossGainOnSecuritiesAvailableForSaleNetOfTax

caty:NetIncreaseInInvestmentInAffordableHousingInvestingAndAlternativeEnergyPartnerships

caty:NoninteresIncomeNotInscope

caty:OperationsOfAffordableHousingInvestmentsNetAndAlternativeEnergyPartnershipsNet
us-gaap:DerivativeInstrumentRisk, us-gaap:DerivativeInstrumentsGainLossByHedgingRelationship, us-gaap:HedgingDesignation
caty:PeriodicNetSettlementOnInterestRateSwapsExpense

caty:PeriodicNetSettlementsOnInterestRateSwapsIncome

caty:ProceedsFromSaleOfLoansOperatingActivities

caty:ProvisionReversalForLossesOnOtherRealEstateOwned
us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable
caty:TroubledDebtRestructuringsNewRestructurings
us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable
caty:TroubledDebtRestructuringsPaymentsReceivedInPeriod
us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable
caty:TroubledDebtRestructuringsRestructuredLoansRestoredToAccrualStatus

us-gaap:AccretionAmortizationOfDiscountsAndPremiumsInvestments

us-gaap:AdjustmentsRelatedToTaxWithholdingForShareBasedCompensation
us-gaap:StatementEquityComponents

us-gaap:AssetImpairmentCharges
us-gaap:FairValueByAssetClass
us-gaap:FairValueByAssetClass, us-gaap:FairValueByMeasurementFrequency
us-gaap:FairValueByAssetClass, us-gaap:FinancingReceivablePortfolioSegment
us-gaap:FairValueByMeasurementFrequency

us-gaap:ChangeInUnrealizedGainLossOnFairValueHedgingInstruments1
us-gaap:DerivativeInstrumentRisk, us-gaap:DerivativeInstrumentsGainLossByHedgingRelationship, us-gaap:HedgingDesignation

us-gaap:DebtSecuritiesGainLoss

us-gaap:DividendsCommonStockCash
us-gaap:StatementEquityComponents

us-gaap:EffectiveIncomeTaxRateReconciliationShareBasedCompensationExcessTaxBenefitAmount

us-gaap:EmployeeBenefitsAndShareBasedCompensationNoncash

us-gaap:EquipmentExpense

us-gaap:EquitySecuritiesFvNiGainLoss

us-gaap:EquitySecuritiesFvNiUnrealizedGainLoss

us-gaap:FederalDepositInsuranceCorporationPremiumExpense

us-gaap:FinancingReceivableAllowanceForCreditLossesRecovery
us-gaap:FinancingReceivablePortfolioSegment

us-gaap:FinancingReceivableAllowanceForCreditLossesWriteOffs
us-gaap:FinancingReceivablePortfolioSegment

us-gaap:FinancingReceivableModificationsPostModificationRecordedInvestment2
us-gaap:FinancingReceivablePortfolioSegment

us-gaap:FinancingReceivableModificationsPreModificationRecordedInvestment2
us-gaap:FinancingReceivablePortfolioSegment
us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable
us-gaap:FinancingReceivablesImpairedTroubledDebtRestructuringWriteDown

us-gaap:GainLossOnSaleOfPropertyPlantEquipment

us-gaap:GainLossOnSalesOfLoansNet

us-gaap:GainsLossesOnSalesOfOtherRealEstate

us-gaap:ImpairedFinancingReceivableAverageRecordedInvestment
us-gaap:FinancingReceivablePortfolioSegment

us-gaap:ImpairedFinancingReceivableInterestIncomeAccrualMethod
us-gaap:FinancingReceivablePortfolioSegment

us-gaap:IncreaseDecreaseInDeferredIncomeTaxes

us-gaap:IncreaseDecreaseInDeposits

us-gaap:IncreaseDecreaseInOtherOperatingAssets

us-gaap:IncreaseDecreaseInOtherOperatingLiabilities

us-gaap:InformationTechnologyAndDataProcessing

us-gaap:InterestAndDividendIncomeOperating

us-gaap:InterestExpenseFederalHomeLoanBankAndFederalReserveBankAdvancesLongTerm

us-gaap:InterestExpenseOtherDomesticDeposits

us-gaap:InterestExpenseOtherLongTermDebt

us-gaap:InterestExpenseShortTermBorrowingsExcludingFederalFundsAndSecuritiesSoldUnderAgreementsToRepurchase

us-gaap:InterestExpenseTimeDeposits

us-gaap:InterestIncomeDepositsWithFinancialInstitutions

us-gaap:InterestIncomeExpenseAfterProvisionForLoanLoss

us-gaap:InterestIncomeSecuritiesTaxable

us-gaap:MarketableSecuritiesGainLoss

us-gaap:MarketingExpense

us-gaap:NoninterestExpense

us-gaap:NoninterestIncome

us-gaap:NoninterestIncomeOtherOperatingIncome

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

us-gaap:OperatingLeaseExpense

us-gaap:OperatingLeaseImpairmentLoss

us-gaap:OperatingLeasePayments
us-gaap:StatementEquityComponents
us-gaap:OtherComprehensiveIncomeLossBeforeReclassificationsTax
us-gaap:StatementEquityComponents
us-gaap:OtherComprehensiveIncomeLossBeforeTaxPortionAttributableToParent
us-gaap:DerivativeInstrumentRisk, us-gaap:DerivativeInstrumentsGainLossByHedgingRelationship, us-gaap:HedgingDesignation
us-gaap:OtherComprehensiveIncomeLossCashFlowHedgeGainLossBeforeReclassificationAfterTax

us-gaap:OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent
us-gaap:StatementEquityComponents
us-gaap:StatementEquityComponents
us-gaap:OtherComprehensiveIncomeLossTaxPortionAttributableToParent1

us-gaap:OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodNetOfTax

us-gaap:OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax

us-gaap:OtherNoninterestExpense

us-gaap:PaymentsForOriginationAndPurchasesOfLoansHeldForSale

us-gaap:PaymentsForProceedsFromLoansAndLeases

us-gaap:PaymentsRelatedToTaxWithholdingForShareBasedCompensation

us-gaap:PaymentsToAcquireAvailableForSaleSecurities

us-gaap:PaymentsToAcquireFederalHomeLoanBankStock

us-gaap:ProceedsFromFederalHomeLoanBankBorrowings

us-gaap:ProceedsFromIssuanceOfCommonStockDividendReinvestmentPlan

us-gaap:ProceedsFromMaturitiesPrepaymentsAndCallsOfAvailableForSaleSecurities

us-gaap:ProceedsFromSaleOfAvailableForSaleSecurities

us-gaap:ProceedsFromSaleOfFederalHomeLoanBankStock

us-gaap:ProceedsFromSaleOfOtherRealEstate

us-gaap:ProceedsFromSaleOfTradingSecuritiesHeldforinvestment

us-gaap:ProceedsFromStockOptionsExercised

us-gaap:ProfessionalFees

us-gaap:ProvisionForDoubtfulAccounts
us-gaap:CumulativeEffectPeriodOfAdoption, us-gaap:Range, us-gaap:AdjustmentsForNewAccountingPronouncements

us-gaap:ProvisionForLoanAndLeaseLosses

us-gaap:ProvisionForLoanLeaseAndOtherLosses
us-gaap:FinancingReceivablePortfolioSegment

us-gaap:ProvisionForLoanLossesExpensed
us-gaap:FinancialInstrument
us-gaap:FinancialInstrument, us-gaap:FinancingReceivablePortfolioSegment
us-gaap:FinancingReceivablePortfolioSegment

us-gaap:ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax
us-gaap:StatementEquityComponents
us-gaap:ReclassificationFromAociCurrentPeriodBeforeTaxAttributableToParent
us-gaap:StatementEquityComponents
us-gaap:ReclassificationFromAociCurrentPeriodNetOfTaxAttributableToParent
us-gaap:StatementEquityComponents
us-gaap:ReclassificationFromAociCurrentPeriodTax

us-gaap:RepaymentsOfFederalHomeLoanBankBorrowings

us-gaap:RepaymentsOfOtherDebt

us-gaap:RepaymentsOfShortTermDebt

us-gaap:SalariesWagesAndOfficersCompensation

us-gaap:StockIssuedDuringPeriodValueDividendReinvestmentPlan
us-gaap:StatementEquityComponents

us-gaap:StockIssuedDuringPeriodValueIssuedForServices
us-gaap:StatementEquityComponents

us-gaap:StockIssuedDuringPeriodValueRestrictedStockAwardNetOfForfeitures
us-gaap:StatementEquityComponents

us-gaap:StockholdersEquityPeriodIncreaseDecrease

us-gaap:TreasuryStockValueAcquiredCostMethod
us-gaap:ShareRepurchaseProgram
us-gaap:ShareRepurchaseProgram, us-gaap:SubsequentEventType
us-gaap:StatementEquityComponents
us-gaap:SubsequentEventType

caty:AffordableHousingInvestments

caty:AffordableHousingInvestmentsAndAlternativeEnergyPartnershipsNet

caty:AffordableHousingInvestmentsScheduledFundingForUnfundedCommitmentsInNext12Months

caty:AffordableHousingInvestmentsScheduledFundingForUnfundedCommitmentsInYearFive

caty:AffordableHousingInvestmentsScheduledFundingForUnfundedCommitmentsInYearFour

caty:AffordableHousingInvestmentsScheduledFundingForUnfundedCommitmentsInYearThree

caty:AffordableHousingInvestmentsScheduledFundingForUnfundedCommitmentsInYearTwo

caty:AffordableHousingInvestmentsScheduledFundingForUnfundedCommitmentsThereafter

caty:AlternativeEnergyTaxCreditPartnershipInvestmentsHeldInEscrow

caty:AlternativeEnergyTaxCreditPartnershipInvestmentsNet

caty:BillOfLadingGuaranteesNotionalAmount

caty:CommitmentsToExtendCreditFairValue

caty:CommitmentsToExtendNotionalAmount

caty:CommitmentsToFundAdjustableRateLoans

caty:CommitmentsToFundFixedRateLoans

caty:CommonEquityTierOneRiskBasedCapitalRequiredForCapitalAdequacy
dei:LegalEntity

caty:CommonEquityTierOneRiskBasedCapitalRequiredForCapitalAdequacyToRiskWeightedAssets
dei:LegalEntity

caty:CommonEquityTierOneRiskBasedCapitalRequiredToBeWellCapitalized
dei:LegalEntity

caty:CommonEquityTierOneRiskBasedCapitalRequiredToBeWellCapitalizedToRiskWeightedAssets
dei:LegalEntity

caty:CommonEqutiyTier1Capital
dei:LegalEntity

caty:CommonTierOneRiskBasedCapitalToRiskWeightedAssets
dei:LegalEntity

caty:DeferredTaxAssetsNonaccrualInterest

caty:DeferredTaxAssetsUnrealizedLossOnInterestRateSwaps

caty:DeferredTaxLiabilitiesDeferredExpenseLoanCosts

caty:DeferredTaxLiabilitiesDividendsOnFederalHomeLoanBankCommonStock

caty:DeferredTaxLiabilitiesOREOInstallmentSale

caty:DeferredTaxLiabilitiesUnrealizedGainOnSecuritiesAvailableForSaleNet
us-gaap:Range
caty:EstimatedSalesCostAppliedToCollateral
us-gaap:FinancingReceivablePortfolioSegment
caty:FinancingReceivableApprovedForbearancePercentageOfTotalResidentialMortgageLoans
us-gaap:FinancingReceivablePortfolioSegment
caty:FinancingReceivablePercentageOfTotalModifiedCommercialLoans
us-gaap:FinancingReceivablePortfolioSegment
caty:FinancingReceivableWithModificationsPercentageOfTotalCommercialRealEstateLoans
us-gaap:FinancingReceivablePortfolioSegment
caty:FinancingReceivableWithModificationsPercentageOfTotalHELOCLoans

caty:FinancingReceivablesImpairedTroubledDebtRestructuringSpecificReserve
us-gaap:FinancingReceivablePortfolioSegment

caty:ForeignCurrencyContractAssetFairValueLossDisclosure

caty:ForeignExchangeContractAssetFairValueGainDisclosure

caty:GrossLoansComprisedOfCommercialLoansPercentage

caty:GrossLoansComprisedOfCommercialMortgageLoansPercentage

caty:InvestmentsInAffordableHousingAndAlternativeEnergyPartnerships

caty:LesseeOperatingLeaseLiabilityToBePaidAfterYearFour
us-gaap:LoansInsuredOrGuaranteedByGovernmentAuthorities
caty:LoansAndLeasesReceivableForgiven
us-gaap:FinancingReceivablePortfolioSegment
caty:LoansAndLeasesReceivableWithApprovedForbearanceRequestsGross
us-gaap:FinancingReceivablePortfolioSegment
caty:LoansAndLeasesReceivableWithModificationsGross
us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable
caty:LoansPledgedWithFederalReserveBank

caty:MaximumLoanSizePortfolioStratificationHomogenousPortfolio

caty:NetAmountOfDerivativeAssetsPresentedInTheBalanceSheet

caty:NetAmountOfDerivativeAssetsPresentedInTheBalanceSheetNotOffset

caty:NetAmountOfDerivativeLiabilitiesPresentedInTheBalanceSheet

caty:NetAmountOfDerivativeLiabilitiesPresentedInTheBalanceSheetNotOffset

caty:NotionalAmountOfForeignCurrencyDerivativePurchaseContractsWithGain

caty:NotionalAmountOfForeignCurrencyDerivativePurchaseContractsWithLoss

caty:OptionContractsFairValue

caty:Options
us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementBasis
caty:OtherBorrowingsFairValueDisclosure
us-gaap:FairValueByMeasurementBasis

caty:OtherBorrowingsForAffordableHousingInvestments

caty:OtherBorrowingsFromConsolidatingAffordableHousingEquityInterest

caty:OtherLettersOfCreditFairValue

caty:OtherLettersOfCreditNotionalAmount

caty:OtherLiabilitiesFromAffordablehousingUnfundedCommitments

caty:PercentageOfChargeOffToContractualBalancesForImpairedLoans

caty:PercentageOfOutstandingCommonStockUnderEmployeeStockOwnershipPlan
us-gaap:Range
caty:PerformanceBasedRestrictedStockUnitsNumberOfSharesThatMayVestPercentageOfTarget

caty:PledgedInvestmentSecurities
us-gaap:IncomeTaxAuthority, us-gaap:InvestmentType
caty:RemainingAndFutureAvailableTaxCredit

caty:ReserveForOffBalanceSheetCreditCommitments
us-gaap:FinancingReceivablePortfolioSegment

caty:ReserveToImpairedLoans
us-gaap:FinancingReceivablePortfolioSegment

caty:ReserveToNonImpairedLoans
us-gaap:FinancingReceivablePortfolioSegment

caty:ResidentialMortgagesPropertiesPercentage
us-gaap:StatementGeographical

caty:ShortTermInvestmentsAndInterestBearingDeposits
us-gaap:FairValueByMeasurementBasis
caty:ShorttermInvestmentFairValueDisclosure

caty:SolarTaxCreditsExpectedToBeRealized

caty:StandbyLettersOfCreditFairValue

caty:StandbyLettersOfCreditNotionalAmount

caty:TemporarilyImpairedSecuritiesAsPercentageOfInvestmentSecurities
us-gaap:ClassOfFinancingReceivableTypeOfBorrower
caty:TroubledDebtRestructuringSpecificReserves

us-gaap:AccruedBonusesCurrentAndNoncurrent

us-gaap:AdvancesFromFederalHomeLoanBanks
us-gaap:DebtInstrument
us-gaap:FairValueByLiabilityClass

us-gaap:AssetsFairValueDisclosure

us-gaap:AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedGainBeforeTax
us-gaap:FinancialInstrument

us-gaap:AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedLossBeforeTax
us-gaap:FinancialInstrument

us-gaap:AvailableForSaleDebtSecuritiesAmortizedCostBasis
us-gaap:FinancialInstrument

us-gaap:AvailableForSaleSecuritiesContinuousUnrealizedLossPosition12MonthsOrLongerAccumulatedLoss
us-gaap:InvestmentType

us-gaap:AvailableForSaleSecuritiesContinuousUnrealizedLossPositionAccumulatedLoss
us-gaap:InvestmentType

us-gaap:AvailableForSaleSecuritiesContinuousUnrealizedLossPositionFairValue
us-gaap:InvestmentType

us-gaap:AvailableForSaleSecuritiesContinuousUnrealizedLossPositionLessThan12MonthsAccumulatedLoss
us-gaap:InvestmentType

us-gaap:AvailableForSaleSecuritiesContinuousUnrealizedLossPositionLessThanTwelveMonthsFairValue
us-gaap:InvestmentType

us-gaap:AvailableForSaleSecuritiesContinuousUnrealizedLossPositionTwelveMonthsOrLongerFairValue
us-gaap:InvestmentType

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:FairValueByFairValueHierarchyLevel, us-gaap:InvestmentType
us-gaap:FinancialInstrument
us-gaap:InvestmentType

us-gaap:BankAcceptancesExecutedAndOutstanding

us-gaap:Capital
dei:LegalEntity

us-gaap:CapitalRequiredForCapitalAdequacy
dei:LegalEntity

us-gaap:CapitalRequiredForCapitalAdequacyToRiskWeightedAssets
dei:LegalEntity

us-gaap:CapitalRequiredToBeWellCapitalized
dei:LegalEntity

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

us-gaap:CashAndDueFromBanks

us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations

us-gaap:CashSurrenderValueOfLifeInsurance
us-gaap:FairValueByAssetClass
us-gaap:CollateralAlreadyPostedAggregateFairValue
us-gaap:LongtermDebtType
us-gaap:DebtInstrumentInterestRateEffectivePercentage

us-gaap:DebtSecuritiesAvailableForSaleRestricted

us-gaap:DeferredIncomeTaxLiabilities

us-gaap:DeferredTaxAssetsEquityMethodInvestments

us-gaap:DeferredTaxAssetsGross

us-gaap:DeferredTaxAssetsOperatingLossCarryforwards
us-gaap:IncomeTaxAuthority
us-gaap:IncomeTaxAuthority, us-gaap:IncomeTaxAuthorityName

us-gaap:DeferredTaxAssetsOther

us-gaap:DeferredTaxAssetsStateTaxes

us-gaap:DeferredTaxAssetsTaxCreditCarryforwards

us-gaap:DeferredTaxAssetsTaxCreditCarryforwardsAlternativeMinimumTax

us-gaap:DeferredTaxAssetsTaxCreditCarryforwardsOther

us-gaap:DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsEmployeeBonuses

us-gaap:DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsShareBasedCompensationCost

us-gaap:DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsProvisionForLoanLosses

us-gaap:DeferredTaxLiabilitiesOther

us-gaap:DeferredTaxLiabilitiesPropertyPlantAndEquipment

us-gaap:DepositLiabilitiesAccruedInterest

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

us-gaap:DepositsMoneyMarketDeposits

us-gaap:DepositsNegotiableOrderOfWithdrawalNOW

us-gaap:DepositsSavingsDeposits

us-gaap:DerivativeAssetNotionalAmount

us-gaap:DerivativeAssets
us-gaap:DerivativeInstrumentRisk, us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementBasis
us-gaap:DerivativeInstrumentRisk, us-gaap:FairValueByMeasurementBasis
us-gaap:DerivativeInstrumentRisk, us-gaap:DerivativeInstrumentsGainLossByHedgingRelationship, us-gaap:HedgingDesignation, us-gaap:VariableRate
us-gaap:DerivativeAverageBasisSpreadOnVariableRate
us-gaap:DerivativeInstrumentRisk, us-gaap:DerivativeInstrumentsGainLossByHedgingRelationship, us-gaap:HedgingDesignation
us-gaap:DerivativeAverageFixedInterestRate
us-gaap:DerivativeInstrumentRisk, us-gaap:DerivativeInstrumentsGainLossByHedgingRelationship, us-gaap:HedgingDesignation
us-gaap:DerivativeAverageVariableInterestRate

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

us-gaap:DerivativeLiabilities

us-gaap:DerivativeLiabilityNotionalAmount
us-gaap:DerivativeInstrumentRisk
us-gaap:DerivativeNotionalAmount
us-gaap:DerivativeInstrumentRisk, us-gaap:DerivativeInstrumentsGainLossByHedgingRelationship, us-gaap:HedgingDesignation
us-gaap:DerivativeInstrumentRisk, us-gaap:HedgingDesignation

us-gaap:DueFromCustomerAcceptances

us-gaap:EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized
us-gaap:AwardType
us-gaap:ConsolidatedEntities, us-gaap:InvestmentType
us-gaap:EquityMethodInvestmentAggregateCost
us-gaap:FairValueByLiabilityClass
us-gaap:FederalHomeLoanBankAdvancesBranchOfFHLBBankInterestRate
us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable
us-gaap:FederalHomeLoanBankAdvancesGeneralDebtObligationsDisclosuresCollateralPledged1
us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementBasis
us-gaap:FederalHomeLoanBankBorrowingsFairValueDisclosure
us-gaap:FairValueByMeasurementBasis

us-gaap:FederalHomeLoanBankStock

us-gaap:FinancingReceivableAllowanceForCreditLosses
us-gaap:AccountsNotesLoansAndFinancingReceivableByReceivableType
us-gaap:CumulativeEffectPeriodOfAdoption
us-gaap:CumulativeEffectPeriodOfAdoption, us-gaap:AdjustmentsForNewAccountingPronouncements
us-gaap:CumulativeEffectPeriodOfAdoption, us-gaap:AdjustmentsForNewAccountingPronouncements, us-gaap:FinancialInstrument
us-gaap:CumulativeEffectPeriodOfAdoption, us-gaap:AdjustmentsForNewAccountingPronouncements, us-gaap:FinancialInstrument, us-gaap:FinancingReceivablePortfolioSegment
us-gaap:CumulativeEffectPeriodOfAdoption, us-gaap:AdjustmentsForNewAccountingPronouncements, us-gaap:FinancingReceivablePortfolioSegment
us-gaap:CumulativeEffectPeriodOfAdoption, us-gaap:FinancialInstrument
us-gaap:CumulativeEffectPeriodOfAdoption, us-gaap:FinancialInstrument, us-gaap:FinancingReceivablePortfolioSegment
us-gaap:CumulativeEffectPeriodOfAdoption, us-gaap:FinancingReceivablePortfolioSegment
us-gaap:FinancialInstrument
us-gaap:FinancialInstrument, us-gaap:FinancingReceivablePortfolioSegment
us-gaap:FinancingReceivablePortfolioSegment

us-gaap:FinancingReceivableAllowanceForCreditLossesCollectivelyEvaluatedForImpairment
us-gaap:FinancingReceivablePortfolioSegment

us-gaap:FinancingReceivableAllowanceForCreditLossesIndividuallyEvaluatedForImpairment1
us-gaap:FinancingReceivablePortfolioSegment

us-gaap:FinancingReceivableCollectivelyEvaluatedForImpairment
us-gaap:FinancingReceivablePortfolioSegment

us-gaap:FinancingReceivableIndividuallyEvaluatedForImpairment
us-gaap:FinancingReceivablePortfolioSegment

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

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

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

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

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

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

us-gaap:FinancingReceivableRecordedInvestment90DaysPastDueAndStillAccruing
us-gaap:FinancingReceivablePortfolioSegment

us-gaap:FinancingReceivableRecordedInvestmentCurrent
us-gaap:FinancingReceivablePortfolioSegment

us-gaap:FinancingReceivableRecordedInvestmentNonaccrualStatus
us-gaap:FinancingReceivablePortfolioSegment
us-gaap:FinancingReceivablePortfolioSegment, us-gaap:FinancingReceivablesPeriodPastDue
us-gaap:FinancingReceivablesPeriodPastDue

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

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

us-gaap:FinancingReceivableRevolvingConvertedToTermLoan
us-gaap:FinancingReceivablePortfolioSegment
us-gaap:FinancingReceivablePortfolioSegment, us-gaap:InternalCreditAssessment
us-gaap:FinancingReceivablePortfolioSegment
us-gaap:ForeclosedAssets
us-gaap:DerivativeInstrumentRisk
us-gaap:HedgedAssetFairValueHedge
us-gaap:DerivativeInstrumentRisk
us-gaap:HedgedAssetFairValueHedgeLastOfLayerAmount
us-gaap:DerivativeInstrumentRisk
us-gaap:HedgedAssetFairValueHedgeLastOfLayerCumulativeIncreaseDecrease

us-gaap:ImpairedFinancingReceivableRecordedInvestment
us-gaap:ClassOfFinancingReceivableTypeOfBorrower

us-gaap:ImpairedFinancingReceivableRelatedAllowance
us-gaap:FinancingReceivablePortfolioSegment

us-gaap:ImpairedFinancingReceivableUnpaidPrincipalBalance

us-gaap:ImpairedFinancingReceivableWithNoRelatedAllowanceRecordedInvestment
us-gaap:FinancingReceivablePortfolioSegment

us-gaap:ImpairedFinancingReceivableWithNoRelatedAllowanceUnpaidPrincipalBalance
us-gaap:FinancingReceivablePortfolioSegment

us-gaap:ImpairedFinancingReceivableWithRelatedAllowanceRecordedInvestment
us-gaap:FinancingReceivablePortfolioSegment

us-gaap:ImpairedFinancingReceivableWithRelatedAllowanceUnpaidPrincipalBalance
us-gaap:FinancingReceivablePortfolioSegment

us-gaap:IncomeTaxReceivable

us-gaap:InterestRateDerivativeAssetsAtFairValue

us-gaap:InterestRateDerivativeLiabilitiesAtFairValue

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

us-gaap:JuniorSubordinatedNotes
us-gaap:DebtInstrument

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueNextTwelveMonths

us-gaap:LesseeOperatingLeaseLiabilityPaymentsRemainderOfFiscalYear

us-gaap:LiabilitiesFairValueDisclosure
us-gaap:FairValueByFairValueHierarchyLevel
us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:InvestmentType
us-gaap:InvestmentType

us-gaap:LoansAndLeasesReceivableAllowance
us-gaap:AdjustmentsForNewAccountingPronouncements
us-gaap:CumulativeEffectPeriodOfAdoption
us-gaap:FinancingReceivablePortfolioSegment
us-gaap:Restatement, us-gaap:ErrorCorrectionsAndPriorPeriodAdjustmentsRestatementByRestatementPeriodAndAmount

us-gaap:LoansAndLeasesReceivableDeferredIncome

us-gaap:LoansAndLeasesReceivableGrossCarryingAmount

us-gaap:LoansAndLeasesReceivableNetReportedAmount

us-gaap:LoansAndLeasesReceivableRelatedParties
us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementBasis
us-gaap:LoansReceivableFairValueDisclosure
us-gaap:FairValueByMeasurementBasis
us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementBasis
us-gaap:LongTermDebtFairValue
us-gaap:FairValueByMeasurementBasis

us-gaap:MarginDepositAssets
dei:LegalEntity
us-gaap:ConsolidatedEntities

us-gaap:NoninterestBearingDepositLiabilities

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

us-gaap:OffBalanceSheetCreditLossLiability
us-gaap:AdjustmentsForNewAccountingPronouncements
us-gaap:CumulativeEffectPeriodOfAdoption
us-gaap:Restatement, us-gaap:ErrorCorrectionsAndPriorPeriodAdjustmentsRestatementByRestatementPeriodAndAmount

us-gaap:OperatingLeaseWeightedAverageDiscountRatePercent

us-gaap:OperatingLossCarryforwards
us-gaap:IncomeTaxAuthority, us-gaap:IncomeTaxAuthorityName

us-gaap:OtherCommitment
us-gaap:FinancialInstrument
us-gaap:OtherCommitments

us-gaap:OtherLiabilities
us-gaap:ConsolidatedEntities

us-gaap:OtherRealEstateAndForeclosedAssets
us-gaap:StatementScenario

us-gaap:PreferredStockSharesOutstanding

us-gaap:RestrictedCash

us-gaap:ServicingAsset
us-gaap:FinancingReceivablePortfolioSegment

us-gaap:StatutoryAccountingPracticesStatutoryAmountAvailableForDividendPaymentsWithRegulatoryApproval

us-gaap:StockRepurchaseProgramAuthorizedAmount1
us-gaap:SubsequentEventType

us-gaap:StockRepurchaseProgramRemainingAuthorizedRepurchaseAmount1
us-gaap:ShareRepurchaseProgram, us-gaap:SubsequentEventType

us-gaap:TierOneLeverageCapital
dei:LegalEntity

us-gaap:TierOneLeverageCapitalRequiredForCapitalAdequacy
dei:LegalEntity

us-gaap:TierOneLeverageCapitalRequiredForCapitalAdequacyToAverageAssets
dei:LegalEntity

us-gaap:TierOneLeverageCapitalRequiredToBeWellCapitalized
dei:LegalEntity

us-gaap:TierOneLeverageCapitalRequiredToBeWellCapitalizedToAverageAssets
dei:LegalEntity

us-gaap:TierOneLeverageCapitalToAverageAssets
dei:LegalEntity

us-gaap:TierOneRiskBasedCapitalRequiredForCapitalAdequacy
dei:LegalEntity

us-gaap:TierOneRiskBasedCapitalRequiredForCapitalAdequacyToRiskWeightedAssets
dei:LegalEntity

us-gaap:TierOneRiskBasedCapitalRequiredToBeWellCapitalized
dei:LegalEntity

us-gaap:TierOneRiskBasedCapitalRequiredToBeWellCapitalizedToRiskWeightedAssets
dei:LegalEntity

us-gaap:TimeDepositMaturitiesAfterYearFive

us-gaap:TimeDepositMaturitiesYearFive

us-gaap:TimeDepositMaturitiesYearFour

us-gaap:TimeDepositMaturitiesYearThree

us-gaap:TimeDepositMaturitiesYearTwo

us-gaap:TimeDeposits

us-gaap:TimeDepositsAtCarryingValue
us-gaap:GeographicDistribution
us-gaap:TimeDepositsAtOrAboveFDICInsuranceLimit
us-gaap:Range, us-gaap:MeasurementInputType
us-gaap:WarrantsAndRightsOutstandingMeasurementInput

Plots across concepts


IncomeStatement
Other Comprehensive Income Loss Net Of Tax
Expenses
Interest Expense
Balance Sheet
Intangible Assets Net Excluding Goodwill
Assets
Derivative Assets
NonCurrent Assets
Intangible Assets Net Excluding Goodwill
PropertyPlantAndEquipmentNet
Property Plant And Equipment Net
Liabilities
Derivative Liabilities
Noncurrent Liabilities
Long Term Debt
Stockholders Equity
Common Stock Value
CashFlow
Net Cash Provided By Used In Investing Activities
NetCashProvidedByUsedInOperatingActivities
Gain Loss On Sale Of Property Plant Equipment
NetCashProvidedByUsedInInvestingActivities
Net Cash Provided By Used In Investing Activities
NetCashProvidedByUsedInFinancingActivities
Repayments Of Short Term Debt
DividendsAndRepurchase
Payments For Repurchase Of Common Stock
LesseeOperatingLeaseLiabilityPaymentsDue
Lessee Operating Lease Liability Undiscounted Excess Amount
BanksAndOrInsurance
Interest And Dividend Income Operating
AssetsBanks
Property Plant And Equipment Net
LiabilitiesBanks
Deposits

Tables

  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
us-gaap:CommonStockValue █████▇▇▇▇▇▇▇▇▇▇▆▆▆▅▅▅▅▅▅▂▂▂▂▂▂▂▁▁▁▁▁▁▁▁▁▁▁▁0.9080.9070.9060.9040.9030.9020.90.90.90.8990.8980.8960.8950.8940.8910.890.8810.880.8780.8710.8710.870.870.8690.8420.8410.840.8390.8390.8380.8380.8310.8310.8310.830.830.8290.8290.8290.8290.8280.8280.827NANANA
us-gaap:TierOneRiskBasedCapitalToRiskWeightedAssets NANA1.383e-05NANANA1.297e-07NANANA1.243e-07NANANA1.219e-07NANANA1.385e-07NANANANANANANANANANANANANANANANANANANA1.597e-07NANANA1.537e-07NANANA
 us-gaap:TierOneRiskBasedCapitalToRiskWeightedAssets dei:LegalEntity caty:BankNANA1.353e-05NANANA1.251e-07NANANA1.366e-07NANANA1.346e-07NANANA1.335e-07NANANA1.3539999999999998e-07NANANA1.442e-07NANANA1.453e-07NANANA1.533e-07NANANA1.5640000000000002e-07NANANANANANANA
us-gaap:CapitalToRiskWeightedAssets NANA1.499e-05NANANA1.381e-07NANANA1.415e-07NANANA1.411e-07NANANA1.497e-07NANANANANANANANANANANANANANANANANANANA1.785e-07NANANA1.727e-07NANANA
 us-gaap:CapitalToRiskWeightedAssets dei:LegalEntity caty:BankNANA1.547e-05NANANA1.411e-07NANANA1.455e-07NANANA1.4449999999999998e-07NANANA1.4430000000000001e-07NANANA1.479e-07NANANA1.568e-07NANANA1.579e-07NANANA1.708e-07NANANA1.751e-07NANANANANANANA
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
 us-gaap:AllocatedShareBasedCompensationExpense us-gaap:AwardType us-gaap:RestrictedStockUnitsRSU▄▄1.21.2NA1.31.01.51.81.81.51.52.01.91.91.51.31.31.41.21.11.21.01.0NANANA1.1NANANANA0.40.5NANA0.10.438NANANANANANANANANANA
us-gaap:ComprehensiveIncomeNetOfTax █▇▇▆▆▆▇▇██▇▇▇▆▄▆▆▆▅▆▅▆▅▅▅▅▅▅▆▅▄▄▂▆▄▅▄▅▄▃▅▄▂▃▄▁77.88569.7669.81454.8352.79754.42770.51273.3681.31774.25470.42268.89571.64954.49523.64650.94953.63749.01442.39746.85137.04653.51635.61738.66843.06440.90338.84435.9748.27838.89823.35626.368-8.63451.85926.82435.99330.7133.10824.4616.21133.27518.493-7.22817.35918.98-17.692
us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest █▇▅▁▁▁▅▇▆▆▅▆▆▅▄▆▃▃99.87793.97381.22558.98457.81355.94383.66793.80886.62785.26781.8488.45584.7182.68277.10684.90966.84669.446NANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments NANA81.22558.98457.81355.94383.66793.80886.62785.26781.84188.45584.7182.68277.10684.90966.84669.44664.3661.89847.10468.83858.23350.58154.93857.34456.59958.22255.82549.14949.98851.65846.63945.88543.73548.19546.6345.61142.31340.39735.35833.94825.05824.446-3.3-48.658
us-gaap:IncomeTaxExpenseBenefit ▅▅▄▃▄▄▅▅▅▅▅▅▄▅█▆▅▅▅▅▄▅▅▄▄▅▅▅▅▅▅▅▅▅▅▅▅▅▅▅▄▄▄▄▃▁22.67820.58910.3322.193.4929.09116.2920.97314.38318.58817.19318.69811.04618.86651.16635.16315.43120.50516.34515.80812.27322.67516.78712.0989.73821.36421.02122.31320.74117.8917.94619.02916.57316.88715.27617.68616.61916.54714.45914.16210.90611.7346.7897.023-5.373-23.068
us-gaap:IncomeTaxesPaid █▄▅▄▇▄▆▅█▄▆▆▇▄▅█▅▆▅▄▇▄▄▇█▅▅▅▇▅▄▇▆▅▅▇▆▁▅▅▅▆▆▄▄▃33.92.8919.8813.38629.4622.64218.0419.731.3072.517.79416.48327.9313.65814.41332.214.215.8966.9541.01925.9094.7891.29824.24231.6511.8847.36112.028.4212.444-0.01627.32519.658.56211.17527.62517.707-20.42413.3989.09.1521.617.3113.00.2-7.142
us-gaap:InterestAndFeeIncomeLoansAndLeases ▆▆▆▇▇▇███▇▇▇▆▅▅▅▄▄▄▃▃▃▃▃▂▂▂▂▂▁▁▁▁▁▁▁▁▁▁▁▁▁▁▂▂▂161.493159.721163.618167.556168.149177.87181.224187.827182.291178.277174.352168.179158.659151.29148.162146.383129.836124.91124.57118.5115.822114.89112.583109.943104.995100.1100.103100.15197.45492.73292.40290.83887.87988.8491.15790.02488.76190.70191.6492.5989.79290.55894.58595.25595.08395.739
us-gaap:InterestExpense ▁▂▃▅▆▇██▇▇▅▄▃▂▂▂▁▁▂▂▂▂▂▁▁▁▁▂▁▁▂▂▂▂▂▃▃▄▄▄▅▅▆▇██17.37421.50227.77634.7339.53346.42550.01550.83149.0744.44538.42831.78227.48924.35722.59320.88218.27718.6920.76620.33120.12619.97720.10319.22117.63217.00818.29219.5819.44518.54919.65919.85420.86821.91924.21626.3328.46129.48431.75933.42636.02438.67243.09547.16549.6851.748
us-gaap:InterestIncomeExpenseNet █▇▇▇▇▇▇█████▇▇▇▇▅▅▄▄▄▄▃▃▃▂▂▂▂▂▂▂▂▂▂▂▂▂▂▂▁▁▁▁▁▁148.001141.818139.82137.504134.475140.311141.211147.0143.379143.316145.441145.084140.031135.343133.047133.196117.352112.114109.902103.824101.776102.36899.41697.64694.75487.92687.75186.75585.61782.65881.96282.60879.99480.13281.06580.41779.1280.65179.31780.95378.31575.10575.23773.34174.60774.721
us-gaap:InterestIncomeOperating NANA167.596172.234174.008186.736191.226197.831192.449187.761183.869176.866167.52159.7155.64154.078135.629130.804130.668124.155121.902122.345119.519116.867112.386104.934106.043106.335105.062101.207101.621102.462100.862102.051105.281106.747107.581110.135111.076114.379114.339113.777NANANANA
us-gaap:InterestPaidNet ▁▃▃▅▆█▇█▇▆▅▃▃▂▂▁▁▁▁18.79725.87229.28338.943.00351.24845.10549.78645.88241.75436.64730.27127.09722.50922.65319.15718.76420.49520.581NANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:NetIncomeLoss ███▇▆▆▇██▇▇▇█▇▅▆▆▆▆▆▅▆▆▅▆▅▅▅▅▅▅▅▅▅▅▅▅▅▅▅▄▄▄▄▃▁77.19973.38470.89356.79454.32146.85267.37772.83572.24466.67964.64869.75773.66463.81625.9449.74651.41548.94148.01546.0934.83146.16341.44638.48345.235.9835.57835.90935.08431.25932.04232.47829.91628.84728.45930.35829.86128.91327.70126.08424.30222.06318.11117.2721.923-25.741
us-gaap:OtherComprehensiveIncomeLossNetOfTax ▅▅▅▅▅▆▆▅▆▆▆▅▅▄▅▆▆▅▅▅▆▆▅▅▅▆▆▅▇▆▄▅▁█▅▆▅▆▅▄▆▅0.686-3.624-1.079-1.964-1.5247.5753.1350.5259.0737.5755.774-0.862-2.015-9.321-2.2941.2032.2220.073-5.6180.7612.2157.353-5.8290.185-2.1364.9233.2660.06113.1947.639-8.546-6.11-38.5523.012-1.4825.6350.8494.195-3.241-9.8738.973-3.57NANANANA
us-gaap:RevenueFromContractWithCustomerIncludingAssessedTax █▇▅▅▃▆▆▄▅▃▃▃▃▃▂▂▁▂9.9669.168.2798.3227.0728.5638.697.5868.0927.1117.1726.9317.0156.8676.4886.5025.9996.66NANANANANANANANANANANANANANANANANANANANANANANANANANANANA
  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 █████▇▇▇▇▆▆▆▆▅▅▅▄▄▄▄▃▃▃▃▂▂▂▂▂▂▁▁▁▁▁▁▁▁▁▁▁▁▁19348.36219230.18919043.13419018.23819267.03718296.45918094.14418004.96617606.00617119.09216784.73716461.72216197.74615882.33715640.18615728.41714336.78514223.95714520.76914098.78913493.17713262.01913254.12612749.96511918.31611910.08911516.84611599.46611556.82211291.18810989.28610821.44610603.23510520.71510694.08910604.52410661.18310573.43610644.86410499.11110535.5310614.40910801.986NANANA
us-gaap:Liabilities █████▇▇▇▇▆▆▆▆▅▅▅▄▄▄▄▃▃▃▃▂▂▂▂▂▂▁▁▁▁▁▁▁▁▁▁▁▁▁16896.00516766.916624.9916643.51516924.58915983.42215799.86115759.07215406.70914955.76314662.87114344.94714132.91313872.54513666.88213759.71812439.01912366.05512692.2312305.3511734.12211527.34611506.34811017.87910249.25110275.8439913.95810029.08210018.469796.7879530.3159386.1449063.8138971.159064.5858998.5889088.1799027.9139129.2319004.5469053.6639162.2339365.881NANANA
us-gaap:LiabilitiesAndStockholdersEquity █████▇▇▇▇▆▆▆▆▅▅▅▄▄▄▄▃▃▃▃▂▂▂▂▂▂▁▁▁▁▁▁▁▁▁▁▁▁▁19348.36219230.18919043.13419018.23819267.03718296.45918094.14418004.96617606.00617119.09216784.73716461.72216197.74615882.33715640.18615728.41714336.78514223.95714520.76914098.78913493.17713262.01913254.12612749.96511918.31611910.08911516.84611599.46611556.82211291.18810989.28610821.44610603.23510520.71510694.08910604.52410661.18310573.43610644.86410499.11110535.5310614.40910801.986NANANA
us-gaap:StockholdersEquity ███▇▇▇▆▆▅▅▅▅▄▄▃▃▃▂▂▂▁▁▁2452.3572463.2892418.1442374.7232342.4482313.0372294.2832245.8942199.2972163.3292121.8662116.7752064.8332009.7921973.3041968.6991897.7661857.9021828.5391790.01760.01734.6731747.778NANANA1602.888NANANA1458.9711426.8551530.9751541.1181621.0571597.4891564.5571537.0761507.1861486.1181473.421443.7291427.658NANANA
us-gaap:TierOneRiskBasedCapital NANA2059.056NANANA1959.832NANANA1736.854NANANA1572.025NANANA1574.806NANANANANANANANANANANANANANANANANANANA1318.948NANANA1228.184NANANA
 us-gaap:TierOneRiskBasedCapital dei:LegalEntity caty:BankNANA2016.448NANANA1892.321NANANA1904.82NANANA1734.719NANANA1515.096NANANA1443.159NANANA1353.481NANANA1244.48NANANA1259.005NANANA1289.747NANANANANANANA
  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:Cash us-gaap:ConsolidatedEntities srt:ParentCompanyNANA50.06NANANA32.468NANANA19.861NANANA44.645NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:CashAndCashEquivalentsAtCarryingValue us-gaap:ConsolidatedEntities srt:ParentCompanyNANA52.219NANANA39.566NANANA21.627NANANA49.151NANANA41.491NANANA12.984NANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:ShortTermInvestments us-gaap:ConsolidatedEntities srt:ParentCompanyNANA0.332NANANA0.33NANANA0.328NANANA0.327NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:ShortTermInvestments us-gaap:FairValueByFairValueHierarchyLevel,us-gaap:FairValueByMeasurementBasis us-gaap:FairValueInputsLevel1,us-gaap:EstimateOfFairValueFairValueDisclosure██▆▆▇▁▁1589.0861612.4111282.4621305.171425.001363.666416.538NANANA374.957NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:ShortTermInvestments us-gaap:FairValueByMeasurementBasis us-gaap:EstimateOfFairValueFairValueDisclosure██▆▆▇▁▁1589.0861612.4111282.4621305.171425.001363.666416.538NANANA374.957NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
  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 NANA205.144NANANA201.463NANANA196.593NANANA191.015NANANA188.821NANANA186.168NANANA170.089NANANA165.388NANANA159.282NANANA157.29NANANA156.709NANANA
 us-gaap:PropertyPlantAndEquipmentGross us-gaap:PropertyPlantAndEquipmentByType caty:FurnitureFixturesAndEquipmentNANA62.835NANANA60.141NANANA56.503NANANA53.529NANANA51.654NANANA50.378NANANA47.936NANANA44.278NANANA39.701NANANA37.445NANANANANANANA
 us-gaap:PropertyPlantAndEquipmentGross us-gaap:PropertyPlantAndEquipmentByType us-gaap:BuildingAndBuildingImprovementsNANA79.953NANANA79.819NANANA79.389NANANA79.179NANANA78.463NANANA78.299NANANA74.55NANANA73.756NANANA73.723NANANA72.608NANANA73.541NANANA
 us-gaap:PropertyPlantAndEquipmentGross us-gaap:PropertyPlantAndEquipmentByType us-gaap:ConstructionInProgressNANA2.061NANANA1.647NANANA1.15NANANA0.335NANANA0.703NANANA0.538NANANA0.054NANANA1.16NANANA0.038NANANA1.314NANANA0.902NANANA
 us-gaap:PropertyPlantAndEquipmentGross us-gaap:PropertyPlantAndEquipmentByType us-gaap:LandAndLandImprovementsNANA42.476NANANA42.476NANANA42.476NANANA42.476NANANA42.455NANANA42.407NANANA33.543NANANA33.441NANANA33.429NANANA33.429NANANA33.429NANANA
 us-gaap:PropertyPlantAndEquipmentGross us-gaap:PropertyPlantAndEquipmentByType us-gaap:LeaseholdImprovementsNANA17.819NANANA17.38NANANA17.075NANANA15.496NANANA15.546NANANA14.546NANANA14.006NANANA12.753NANANA12.391NANANA12.494NANANA12.216NANANA
us-gaap:AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment NANA102.146NANANA97.224NANANA93.404NANANA87.951NANANA83.214NANANA77.244NANANA70.407NANANA63.343NANANA56.669NANANA51.329NANANA47.253NANANA
us-gaap:AmortizationOfIntangibleAssets ▁▁▁▁▁▁▁▁▁▁▁▁▂▂▂▂▁▁▁▁▁▁▁▁▁▁▁▁▁▁▃▇▇▇▇▇▇█████████0.1710.1720.1720.1720.1710.1720.1720.1720.1710.1720.1720.190.280.2340.3040.2810.1730.1720.1720.1720.1730.1720.1740.1690.1470.1770.2090.2140.1240.1720.4361.3631.3381.3961.3981.4041.4041.4571.4571.4611.461.4811.4821.4841.4851.507
us-gaap:PropertyPlantAndEquipmentNet ▃▃▄▄▅▄▅▄▄▄▄▄▄▃▄▇▅▅▅▆▆▇▇█▁▁▂▃▃▄▃▄▄▃▄▄▅▅▆▆▇▇█100.917101.864102.998103.438104.165103.481104.239103.82102.919103.237103.189102.565102.415101.926103.064107.954104.131105.025105.607106.885107.236108.231108.924110.27297.61698.51299.682100.673101.758102.34102.045102.379102.611102.067102.613103.456104.255105.157105.961106.613107.834108.79109.456NANANA
us-gaap:Goodwill ████████████████████████▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁372.189372.189372.189372.189372.189372.189372.189372.189372.189372.189372.189372.189372.189372.189372.189372.189372.189372.189372.189372.189372.189372.189372.189373.208316.34316.34316.34316.34316.34316.34316.34316.34316.34316.34316.34316.34316.34316.34316.34316.34316.34316.34316.34NANANA
us-gaap:IntangibleAssetsNetExcludingGoodwill ▂▃▃▃▃▃▃▃▃▃▃▄▄▄▄▄▁▁▁▂▂▂▂▂▁▂▂▂▁▁▁▁▂▂▃▄▄▅▅▆▇▇█5.0415.2495.4345.6316.036.1876.2966.8216.7826.8747.1947.3917.4627.8038.0629.4082.5372.7492.9493.1583.313.4973.6774.1082.9483.0843.2373.4591.9292.0512.232.7654.1134.8836.1327.6389.14710.31411.59812.83414.31415.5217.044NANANA
us-gaap:DeferredTaxAssetsLiabilitiesNet NANA64.291NANANA57.44NANANA75.788NANANA75.337NANANA71.196NANANA90.564NANANA96.248NANANA146.464NANANA112.282NANANA123.713NANANA131.908NANANA
us-gaap:OperatingLeaseRightOfUseAsset ▇▇▇▇▇▇▇▇██▁31.3132.92730.91932.59134.21732.74333.9934.51836.51538.5910.0NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:EquitySecuritiesFvNi ▂▂▃▃▄▁▆██▆▄▃▃▄▆20.11320.99323.74422.96424.5718.7928.00532.86232.49829.26125.09823.52223.13124.15428.1NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
  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 NANA6507.616NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA3891.643NANANANANANANA
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
us-gaap:LongTermDebt ▁▁▁▁▁▁▁▅▆▆█████▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▆▆▆▆▆▆▆▆▆▆▆▆119.136119.136119.136119.136119.136119.136119.136160.386169.761174.448189.448194.136194.136194.136194.136119.136119.136119.136119.136119.136119.136119.136119.136119.136119.136119.136119.136119.136119.136121.136121.136171.136171.136171.136171.136171.136171.136171.136171.136171.136171.136171.136171.136NANANA
us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearTwo ▃▁█▆▃▅▃7.977.7948.3358.1837.9838.1217.923NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearThree ▂▁█▇▆█▇5.5525.4276.896.7586.5876.9736.771NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearFour ▁▁▅▄▄██3.3073.3074.6354.574.4645.865.714NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearFive NANA2.52NANA4.0023.852NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
  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 ███▇▇▇▆▆▅▅▅▅▄▄▃▃▃▂▂▂▁▁▁2452.3572463.2892418.1442374.7232342.4482313.0372294.2832245.8942199.2972163.3292121.8662116.7752064.8332009.7921973.3041968.6991897.7661857.9021828.5391790.01760.01734.6731747.778NANANA1602.888NANANA1458.9711426.8551530.9751541.1181621.0571597.4891564.5571537.0761507.1861486.1181473.421443.7291427.658NANANA
us-gaap:CommonStockValue █████▇▇▇▇▇▇▇▇▇▇▆▆▆▅▅▅▅▅▅▂▂▂▂▂▂▂▁▁▁▁▁▁▁▁▁▁▁▁0.9080.9070.9060.9040.9030.9020.90.90.90.8990.8980.8960.8950.8940.8910.890.8810.880.8780.8710.8710.870.870.8690.8420.8410.840.8390.8390.8380.8380.8310.8310.8310.830.830.8290.8290.8290.8290.8280.8280.827NANANA
us-gaap:AdditionalPaidInCapital █████▇▇▇▇▇▇▇▇▇▇▇▆▅▆▅▅▅▅▅▂▂▂▂▂▂▂▁▁▁▁▁▁▁▁▁▁▁▁967.166965.566964.734955.742953.616952.331950.466947.88945.25942.838942.062939.801937.224934.335932.874932.521895.578892.583895.48886.081884.352882.825880.822877.445790.897787.956789.519787.889786.259785.001784.489771.759770.847769.955768.925768.169767.218766.435765.641765.021764.524764.098762.509NANANA
us-gaap:RetainedEarningsAccumulatedDeficit ██▇▇▇▇▇▇▆▆▆▆▅▅▅▅▅▄▄▄▄▄▄▄▃▃▃▃▃▃▂▂▂▂▂▂▂▂▁▁▁▁▁1887.5711837.2611789.3251743.1061710.9941681.3451659.1531616.4851568.3511520.8611479.1491439.451389.2241335.0581281.6391275.0941242.3161207.671175.4851144.1731112.2791091.641059.661032.8061005.844971.831943.834916.227885.896856.388829.109801.184771.928744.867721.993698.601673.154648.201624.192601.391580.205560.797543.625NANANA
us-gaap:AccumulatedOtherComprehensiveIncomeLossNetOfTax ▅▅▆▆▆▆▅▅▅▄▃▂▂▂▅▅▅▄▄▅▅▅▄▅▅▅▄▄▄▂▁▂▃█▅▅▄▄▄▄▅▄▅2.3721.6865.316.3898.3539.8772.302-0.833-1.358-10.431-18.006-23.783-22.921-20.906-2.511-0.217-1.42-3.642-3.7151.9031.142-1.073-8.426-2.597-2.782-0.646-5.569-8.835-8.896-22.09-29.729-21.183-15.07323.4770.4651.947-3.688-4.537-8.732-5.494.382-4.592-1.022NANANA
us-gaap:TreasuryStockValue █▆▆▆▆▆▆▆▆▅▅▄▄▄▄▄▄▄▄▄▄▄▂▂▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁405.66342.131342.131331.418331.418331.418318.538318.538313.846290.838282.237239.589239.589239.589239.589239.589239.589239.589239.589239.589239.589239.589185.148176.437125.736125.736125.736125.736125.736125.736125.736125.736125.736125.736125.736125.736125.736125.736125.736125.736125.736125.736125.736NANANA
us-gaap:AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue ▂▃▇▃▁▅▆▇▅▅█▇▇▄1.2091.2431.7981.2641.0011.5431.7531.7891.5251.5342.01.9211.9051.499NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
  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 ▅▅▅▅▅▆▆▇▅▅▆▅▅▅▆▃▅▅▅▅▅▄▅▄▄▅▄▄▄▄▄▄▄▄▄▆▄▃█▁▅▄▄▄▄▅74.80691.57186.83560.88977.19895.033111.231150.22586.32587.19897.20689.18465.284.948125.275-6.63476.16754.06663.80579.12450.36441.10952.64237.68230.59455.77945.99137.35420.30246.42422.7218.57533.93339.84538.217118.28534.114-26.04205.651-108.81552.08325.13113.88746.47843.48264.658
us-gaap:NetCashProvidedByUsedInInvestingActivities ▄▆▅▆▆▃▃▄▂▃▃▄▁▅▅▇▃▅▂▁▄▅▂▃▅▃▆▅▄▃▄▄▄▆▅▅▅▆▃▇▆▆█▆█▃-146.93897.381-66.92378.447107.793-361.521-382.015-185.629-440.365-373.665-328.179-126.495-582.653-97.0-65.566279.046-352.744-85.401-427.275-653.697-226.97824.271-518.714-292.74612.948-379.05978.846-76.58-161.902-299.725-228.229-125.993-138.308180.724-59.382-53.176-60.261126.283-407.387242.58102.505189.352437.963121.502442.201-405.071
us-gaap:NetCashProvidedByUsedInFinancingActivities ▄▄▃▂█▄▄▅▅▅▅▅▄▄▄▅▃▂▅▆▅▃▆▅▃▅▃▃▅▅▄▄▄▂▄▃▄▃▄▃▃▂▁▃▁▅40.429144.266-32.9-278.971888.694172.72639.416302.824373.386224.557254.246215.187197.869195.97619.461308.12910.409-333.169377.61549.039213.383-52.868449.86284.473-58.768328.609-148.309-6.332225.803261.211157.441176.2381.853-209.95351.428-85.20741.785-99.025110.751-53.476-113.115-214.719-439.027-171.208-472.857305.215
us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect ▂▄▃▂█▂▁▄▃▂▃▃▁▄-31.703333.218-12.988-139.6351073.685-93.762-231.368267.4219.346-61.9118.273177.876-319.584188.924NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
  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:DepreciationDepletionAndAmortization ▅▅▅▅▅▅▅▅▅▅▅▅▅▅▅▅▅▅▅▅▅▅▁█▆▅▅▅2.1122.0442.0161.9561.8911.7971.7471.7011.6821.6261.7211.7251.8592.0091.8491.9121.7351.7691.8061.8231.9381.923-14.75615.4664.9351.9291.9572.015NANANANANANANANANANANANANANANANANANA
us-gaap:NetCashProvidedByUsedInOperatingActivities ▅▅▅▅▅▆▆▇▅▅▆▅▅▅▆▃▅▅▅▅▅▄▅▄▄▅▄▄▄▄▄▄▄▄▄▆▄▃█▁▅▄▄▄▄▅74.80691.57186.83560.88977.19895.033111.231150.22586.32587.19897.20689.18465.284.948125.275-6.63476.16754.06663.80579.12450.36441.10952.64237.68230.59455.77945.99137.35420.30246.42422.7218.57533.93339.84538.217118.28534.114-26.04205.651-108.81552.08325.13113.88746.47843.48264.658
us-gaap:NetIncomeLoss ███▇▆▆▇██▇▇▇█▇▅▆▆▆▆▆▅▆▆▅▆▅▅▅▅▅▅▅▅▅▅▅▅▅▅▅▄▄▄▄▃▁77.19973.38470.89356.79454.32146.85267.37772.83572.24466.67964.64869.75773.66463.81625.9449.74651.41548.94148.01546.0934.83146.16341.44638.48345.235.9835.57835.90935.08431.25932.04232.47829.91628.84728.45930.35829.86128.91327.70126.08424.30222.06318.11117.2721.923-25.741
us-gaap:ShareBasedCompensation NANANA1.2641.8011.543NA1.7892.2741.5341.9981.9222.5551.4991.2851.3421.9241.1831.1591.1811.0451.5781.0271.1851.1681.571.2420.9510.6441.3530.4380.9080.831.0370.2610.6520.6030.5460.480.4070.4080.4630.6470.7750.7781.137
  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 ▄▆▅▆▆▃▃▄▂▃▃▄▁▅▅▇▃▅▂▁▄▅▂▃▅▃▆▅▄▃▄▄▄▆▅▅▅▆▃▇▆▆█▆█▃-146.93897.381-66.92378.447107.793-361.521-382.015-185.629-440.365-373.665-328.179-126.495-582.653-97.0-65.566279.046-352.744-85.401-427.275-653.697-226.97824.271-518.714-292.74612.948-379.05978.846-76.58-161.902-299.725-228.229-125.993-138.308180.724-59.382-53.176-60.261126.283-407.387242.58102.505189.352437.963121.502442.201-405.071
us-gaap:PaymentsToAcquirePropertyPlantAndEquipment ▅▄▆▅█▅▇█▅▆▇▇▇▄▇▁▄▅▃▅▄▅▅▅▄▄▄▄▅▇▆▇▆▅▄▄▄▅▅▃▄▅▄█▅▅1.0270.761.4061.0562.4490.8672.0082.431.1931.5022.1741.792.0680.6382.212-0.7420.7021.0160.3571.3090.7941.0630.891.2450.8210.5620.7410.7191.2362.0811.4482.1031.6171.0140.7960.6970.710.9050.8930.3250.6011.0690.4952.3031.2980.883
  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 ▄▄▃▂█▄▄▅▅▅▅▅▄▄▄▅▃▂▅▆▅▃▆▅▃▅▃▃▅▅▄▄▄▂▄▃▄▃▄▃▃▂▁▃▁▅40.429144.266-32.9-278.971888.694172.72639.416302.824373.386224.557254.246215.187197.869195.97619.461308.12910.409-333.169377.61549.039213.383-52.868449.86284.473-58.768328.609-148.309-6.332225.803261.211157.441176.2381.853-209.95351.428-85.20741.785-99.025110.751-53.476-113.115-214.719-439.027-171.208-472.857305.215
us-gaap:PaymentsOfDividends ███████████▆▆▆▆▆▅▅▅▅▅▅▅▄▄▃▃▂▂▁▁▁▁▁24.54824.6524.67424.68224.67324.65924.70924.70124.75424.96724.9319.53219.49719.46919.39716.96716.76816.75616.70414.19514.19214.18314.59311.5211.1877.9837.9715.5775.5763.983.9752.42.4033.828NANANANANANANA0.786NANANA0.785
us-gaap:PaymentsForRepurchaseOfCommonStock NANA10.7130.00.012.880.04.69223.0088.60142.6480.0NANANANANANA0.00.00.054.4418.711NANANANANANANANANANANANANANANANANANANANANANANA
  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
Value908000.0907000.0906000.0904000.0903000.0902000.0900000.0900000.0900000.0899000.0898000.0896000.0895000.0894000.0891000.0890000.0881000.0880000.0878000.0871000.0871000.0870000.0870000.0869000.0842000.0841000.0840000.0839000.0839000.0838000.0838000.0831000.0831000.0831000.0830000.0830000.0829000.0829000.0829000.0829000.0828000.0828000.0827000.0
Percentage of CommonStockValue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:CommonStockValue us-gaap:ConsolidatedEntities

srt:ParentCompany


Common
Period End2020-12-312019-12-312018-12-312017-12-31
Value906000.0900000.0898000.0891000.0
Percentage of CommonStockValue100.0100.0100.0100.0
Percentage of Assets0.00.00.00.0
Percentage of Assets srt:ParentCompany0.00.00.00.0

Tier One Risk Based Capital To Risk Weighted Assets

us-gaap:TierOneRiskBasedCapitalToRiskWeightedAssets

us-gaap:TierOneRiskBasedCapitalToRiskWeightedAssets


Tier
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312011-12-312010-12-31
Value13.830.12970.12430.12190.13850.15970.1537
Percentage of TierOneRiskBasedCapitalToRiskWeightedAssets100.0100.0100.0100.0100.0100.0100.0

us-gaap:TierOneRiskBasedCapitalToRiskWeightedAssets dei:LegalEntity

caty:Bank


Tier
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-31
Value13.530.12510.13660.13460.13350.13540.14420.14530.15330.1564
Percentage of TierOneRiskBasedCapitalToRiskWeightedAssets97.896.5109.9110.496.40.00.00.00.097.9

Capital To Risk Weighted Assets

us-gaap:CapitalToRiskWeightedAssets

us-gaap:CapitalToRiskWeightedAssets


Capital
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312011-12-312010-12-31
Value14.990.13810.14150.14110.14970.17850.1727
Percentage of CapitalToRiskWeightedAssets100.0100.0100.0100.0100.0100.0100.0

us-gaap:CapitalToRiskWeightedAssets dei:LegalEntity

caty:Bank


Capital
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-31
Value15.470.14110.14550.14450.14430.14790.15680.15790.17080.1751
Percentage of CapitalToRiskWeightedAssets103.2102.2102.8102.496.40.00.00.00.098.1

Allocated Share Based Compensation Expense

us-gaap:AllocatedShareBasedCompensationExpense us-gaap:AwardType

us-gaap:AllocatedShareBasedCompensationExpense

us-gaap:RestrictedStockUnitsRSU


Allocated
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-03-312013-12-312013-09-302012-12-312012-09-30
Value1200000.01200000.01300000.01000000.01500000.01800000.01800000.01500000.01500000.02000000.01900000.01900000.01500000.01300000.01300000.01400000.01200000.01100000.01200000.01000000.01000000.01100000.0400000.0500000.0100000.0438000.0
Percentage of AllocatedShareBasedCompensationExpense100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of InterestAndDividendIncomeOperating0.70.70.80.60.80.90.90.80.81.11.11.10.90.80.81.00.90.81.00.80.81.00.40.50.10.4
Percentage of InterestAndDividendIncomeOperating us-gaap:RestrictedStockUnitsRSU0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

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
Value7769695452547073817470687154235053494246375335384340383548382326-8.634512635303324163318-7.2281718-17.692
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 InterestAndDividendIncomeOperating47.142.741.731.830.329.136.937.142.339.538.339.042.834.115.233.139.537.532.437.730.443.729.833.138.339.036.633.846.038.423.025.7-8.650.825.533.728.530.122.014.229.116.3-6.114.415.3-14.0

Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest

us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest

us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest


Income
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value999381585755839386858188848277846669
Percentage of IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of InterestAndDividendIncomeOperating60.457.548.534.233.230.043.847.445.045.444.550.050.651.849.555.149.353.1

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

us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments

us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments


Income
Period 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
Value815857558393868581888482778466696461476858505457565855494951464543484645424035332524-3.3-48.658
Percentage of IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of InterestAndDividendIncomeOperating48.534.233.230.043.847.445.045.444.550.050.651.849.555.149.353.149.349.938.656.348.743.348.954.653.454.853.148.649.250.446.245.041.545.143.341.438.135.330.929.821.220.3-2.7-38.5

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
Value2220102.193.4929.0911620141817181118513515201615122216129.73821212220171719161615171616141410116.7897.023-5.373-23.068
Percentage of IncomeTaxExpenseBenefit100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of InterestAndDividendIncomeOperating13.712.66.21.32.04.98.510.67.59.99.410.66.611.832.922.811.415.712.512.710.118.514.010.48.720.419.821.019.717.717.718.616.416.514.516.615.415.013.012.49.510.35.75.8-4.3-18.2

Income Taxes Paid

us-gaap:IncomeTaxesPaid

us-gaap:IncomeTaxesPaid


Income
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value332.8919.8813.386292.642189.7312.51716273.658143214156.9541.019254.7891.2982431117.361122812-0.01627198.562112717-20.424139.09.1521173.00.2-7.142
Percentage of IncomeTaxesPaid100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of InterestAndDividendIncomeOperating20.51.85.92.016.91.49.44.916.31.39.79.316.72.39.320.910.512.25.30.821.33.91.120.728.211.36.911.327.112.3-0.026.719.58.410.625.916.5-18.512.17.98.019.014.62.50.2-5.6

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
Value161159163167168177181187182178174168158151148146129124124118115114112109104100100100979292908788919088909192899094959595
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 InterestAndDividendIncomeOperating97.797.897.697.396.695.394.894.994.794.994.895.194.794.795.295.095.795.595.395.495.093.994.294.193.495.494.494.292.891.690.988.787.187.186.684.382.582.482.581.078.579.679.979.076.575.7

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
Value17212734394650504944383127242220181820202019201917171819191819192021242628293133363843474951
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 InterestAndDividendIncomeOperating10.513.216.620.222.724.926.225.725.523.720.918.016.415.314.513.613.514.315.916.416.516.316.816.415.716.217.218.418.518.319.319.420.721.523.024.726.526.828.629.231.534.036.439.140.040.9

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
Value148141139137134140141147143143145145140135133133117112109103101102999794878786858281827980818079807980787575737474
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 InterestAndDividendIncomeOperating89.586.883.479.877.375.173.874.374.576.379.182.083.684.785.586.486.585.784.183.683.583.783.283.684.383.882.881.681.581.780.780.679.378.577.075.373.573.271.470.868.566.063.660.960.059.1

Interest Income Operating

us-gaap:InterestIncomeOperating

us-gaap:InterestIncomeOperating


Interest
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
Value167172174186191197192187183176167159155154135130130124121122119116112104106106105101101102100102105106107110111114114113
Percentage of InterestIncomeOperating100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of InterestAndDividendIncomeOperating100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Interest Paid Net

us-gaap:InterestPaidNet

us-gaap:InterestPaidNet


Interest
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-31
Value18252938435145494541363027222219182020
Percentage of InterestPaidNet100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of InterestAndDividendIncomeOperating11.415.817.522.624.727.423.625.223.822.219.917.116.214.114.612.413.815.715.8

Net Income Loss

us-gaap:NetIncomeLoss

us-gaap:NetIncomeLoss


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value77737056544667727266646973632549514848463446413845353535353132322928283029282726242218171.923-25.741
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 InterestAndDividendIncomeOperating46.744.942.333.031.225.135.236.837.535.535.239.444.040.016.732.337.937.436.737.128.637.734.732.940.234.333.633.833.430.931.531.729.728.327.028.427.826.324.922.821.319.415.314.31.5-20.4

us-gaap:NetIncomeLoss us-gaap:StatementEquityComponents

us-gaap:RetainedEarnings


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value7773705654466772726664697363
Percentage of NetIncomeLoss100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of InterestAndDividendIncomeOperating46.744.942.333.031.225.135.236.837.535.535.239.444.040.0
Percentage of InterestAndDividendIncomeOperating us-gaap:RetainedEarnings0.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Other Comprehensive Income Loss Net Of Tax

us-gaap:OtherComprehensiveIncomeLossNetOfTax

us-gaap:OtherComprehensiveIncomeLossNetOfTax


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-31
Value0.686-3.624-1.079-1.964-1.5247.5753.1350.5259.0737.5755.774-0.862-2.015-9.321-2.2941.2032.2220.073-5.6180.7612.2157.353-5.8290.185-2.1364.9233.2660.061137.639-8.546-6.11-38.5523-1.4825.6350.8494.195-3.241-9.8738.973-3.57
Percentage of OtherComprehensiveIncomeLossNetOfTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of InterestAndDividendIncomeOperating0.4-2.2-0.6-1.1-0.94.11.60.34.74.03.1-0.5-1.2-5.8-1.50.81.60.1-4.30.61.86.0-4.90.2-1.94.73.10.112.67.5-8.4-6.0-38.222.5-1.45.30.83.8-2.9-8.67.8-3.1

Revenue From Contract With Customer Including Assessed Tax

us-gaap:RevenueFromContractWithCustomerIncludingAssessedTax

us-gaap:RevenueFromContractWithCustomerIncludingAssessedTax


Revenue
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value9.9669.168.2798.3227.0728.5638.697.5868.0927.1117.1726.9317.0156.8676.4886.5025.9996.66
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of InterestAndDividendIncomeOperating6.05.64.94.84.14.64.53.84.23.83.93.94.24.34.24.24.45.1

us-gaap:RevenueFromContractWithCustomerIncludingAssessedTax us-gaap:ProductOrService

caty:FeesAndServicesChargesOnDepositAccount


Revenue
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value2.1442.1122.022.0181.8732.0541.9081.8922.022.0271.9662.0272.0762.3182.132.2862.2452.512
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax21.523.124.424.226.524.022.024.925.028.527.429.229.633.832.835.237.437.7
Percentage of InterestAndDividendIncomeOperating1.31.31.21.21.11.11.01.01.01.11.11.11.21.51.41.51.71.9
Percentage of InterestAndDividendIncomeOperating caty:FeesAndServicesChargesOnDepositAccount0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

caty:OtherServiceFees


Revenue
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value3.8833.4913.7043.6762.993.3723.7993.6453.5593.3883.5533.3763.5163.2483.1993.8633.183.169
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax39.038.144.744.242.339.443.748.044.047.649.548.750.147.349.359.453.047.6
Percentage of InterestAndDividendIncomeOperating2.32.12.22.11.71.82.01.81.81.81.91.92.12.02.12.52.32.4
Percentage of InterestAndDividendIncomeOperating caty:OtherServiceFees0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

caty:WealthManagementFees


Revenue
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value3.9393.5572.5552.6282.2093.1372.9832.0492.5131.6961.6531.5281.4231.3011.1590.3530.5740.979
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax39.538.830.931.631.236.634.327.031.123.923.022.020.318.917.95.49.614.7
Percentage of InterestAndDividendIncomeOperating2.42.21.51.51.31.71.61.01.30.90.90.90.80.80.70.20.40.7
Percentage of InterestAndDividendIncomeOperating caty:WealthManagementFees0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

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
Value19348192301904319018192671829618094180041760617119167841646116197158821564015728143361422314520140981349313262132541274911918119101151611599115561129110989108211060310520106941060410661105731064410499105351061410801
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
Value2542243423402215
Percentage of Assets13.413.513.914.2
Percentage of Assets13.413.513.914.2
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
Value16896167661662416643169241598315799157591540614955146621434414132138721366613759124391236612692123051173411527115061101710249102759913100291001897969530938690638971906489989088902791299004905391629365
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 Assets87.387.287.387.587.887.487.387.587.587.487.487.187.387.387.487.586.886.987.487.387.086.986.886.486.086.386.186.586.786.886.786.785.585.384.884.985.285.485.885.885.986.386.7

us-gaap:Liabilities us-gaap:ConsolidatedEntities

srt:ParentCompany


Liabilitiesus-gaap:
Period End2020-12-312019-12-312018-12-312017-12-31
Value124140218242
Percentage of Liabilities0.80.91.51.8
Percentage of Assets0.70.81.31.5
Percentage of Assets srt:ParentCompany4.95.89.310.9

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
Value19348192301904319018192671829618094180041760617119167841646116197158821564015728143361422314520140981349313262132541274911918119101151611599115561129110989108211060310520106941060410661105731064410499105351061410801
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
Value2542243423402215
Percentage of LiabilitiesAndStockholdersEquity13.413.513.914.2
Percentage of Assets13.413.513.914.2
Percentage of Assets srt:ParentCompany100.0100.0100.0100.0

Stockholders Equity

us-gaap:StockholdersEquity

us-gaap:StockholdersEquity


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312014-12-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-31
Value2452246324182374234223132294224521992163212121162064200919731968189718571828179017601734174716021458142615301541162115971564153715071486147314431427
Percentage of StockholdersEquity100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets12.712.812.712.512.212.612.712.512.512.612.612.912.712.712.612.513.213.112.612.713.013.113.213.913.313.214.414.615.215.114.714.514.214.214.013.613.2

us-gaap:StockholdersEquity us-gaap:ConsolidatedEntities

srt:ParentCompany


Stockholders
Period End2020-12-312019-12-312018-12-312017-12-31
Value2418229421211973
Percentage of StockholdersEquity100.0100.0100.0100.0
Percentage of Assets12.712.712.612.6
Percentage of Assets srt:ParentCompany95.194.290.789.1

us-gaap:StockholdersEquity us-gaap:CumulativeEffectPeriodOfAdoption

srt:CumulativeEffectPeriodOfAdoptionAdjustedBalance


Stockholders
Period End2021-01-01
Value2417
Percentage of StockholdersEquity0.0
Percentage of Assets0.0
Percentage of Assets srt:CumulativeEffectPeriodOfAdoptionAdjustedBalance0.0

srt:CumulativeEffectPeriodOfAdoptionAdjustment


Stockholders
Period End2021-01-01
Value-0.798
Percentage of StockholdersEquity0.0
Percentage of Assets0.0
Percentage of Assets srt:CumulativeEffectPeriodOfAdoptionAdjustment0.0

us-gaap:StockholdersEquity us-gaap:CumulativeEffectPeriodOfAdoption, us-gaap:AdjustmentsForNewAccountingPronouncements

srt:CumulativeEffectPeriodOfAdoptionAdjustment, us-gaap:AccountingStandardsUpdate201613


Stockholders
Period End2020-12-31
Value-0.798
Percentage of StockholdersEquity-0.0
Percentage of Assets-0.0
Percentage of Assets srt:CumulativeEffectPeriodOfAdoptionAdjustment us-gaap:AccountingStandardsUpdate2016130.0

us-gaap:StockholdersEquity us-gaap:CumulativeEffectPeriodOfAdoption, us-gaap:AdjustmentsForNewAccountingPronouncements, us-gaap:StatementEquityComponents

srt:CumulativeEffectPeriodOfAdoptionAdjustment, us-gaap:AccountingStandardsUpdate201613, us-gaap:RetainedEarnings


Stockholders
Period End2020-12-31
Value-0.798
Percentage of StockholdersEquity-0.0
Percentage of Assets-0.0
Percentage of Assets srt:CumulativeEffectPeriodOfAdoptionAdjustment us-gaap:AccountingStandardsUpdate201613 us-gaap:RetainedEarnings0.0

us-gaap:StockholdersEquity us-gaap:StatementEquityComponents

caty:CommonStockOutstanding


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312016-12-31
Value0.9080.9070.9060.9040.9030.9020.90.90.90.8990.8980.8960.8950.8940.8910.878
Percentage of StockholdersEquity0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0
Percentage of Assets0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0
Percentage of Assets caty:CommonStockOutstanding0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:AccumulatedGainLossNetCashFlowHedgeParent


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-31
Value-5.188-5.627-6.89-7.393-7.925-7.69-3.412-4.36-3.567-1.465-0.2412.8291.1630.427-1.451-2.264-2.421-1.871-2.17
Percentage of StockholdersEquity-0.2-0.2-0.3-0.3-0.3-0.3-0.1-0.2-0.2-0.1-0.00.10.10.0-0.1-0.1-0.1-0.1-0.1
Percentage of Assets-0.0-0.0-0.0-0.0-0.0-0.0-0.0-0.0-0.0-0.0-0.00.00.00.0-0.0-0.0-0.0-0.0-0.0
Percentage of Assets us-gaap:AccumulatedGainLossNetCashFlowHedgeParent0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:AccumulatedNetUnrealizedInvestmentGainLoss


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312014-12-31
Value7.567.313121316175.7143.5272.209-8.966-17.765-26.612-24.084-21.333-1.062.0471.001-1.771-1.5458.4968.5395.042-5.431-3.172
Percentage of StockholdersEquity0.30.30.50.60.70.80.20.20.1-0.4-0.8-1.3-1.2-1.1-0.10.10.1-0.1-0.10.50.50.3-0.3-0.2
Percentage of Assets0.00.00.10.10.10.10.00.00.0-0.1-0.1-0.2-0.1-0.1-0.00.00.0-0.0-0.00.10.10.0-0.0-0.0
Percentage of Assets us-gaap:AccumulatedNetUnrealizedInvestmentGainLoss0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:AccumulatedOtherComprehensiveIncome


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-312009-12-31
Value2.3721.6865.316.3898.3539.8772.302-0.833-1.358-10.431-18.006-23.783-22.921-20.906-2.511-0.217-1.42-3.642-3.7151.9031.142-1.073-8.426-5.569-29.7290.465-8.732-1.022-0.875
Percentage of StockholdersEquity0.10.10.20.30.40.40.1-0.0-0.1-0.5-0.8-1.1-1.1-1.0-0.1-0.0-0.1-0.2-0.20.10.1-0.1-0.5-0.3-2.00.0-0.6-0.10.0
Percentage of Assets0.00.00.00.00.00.10.0-0.0-0.0-0.1-0.1-0.1-0.1-0.1-0.0-0.0-0.0-0.0-0.00.00.0-0.0-0.1-0.0-0.30.0-0.1-0.00.0
Percentage of Assets us-gaap:AccumulatedOtherComprehensiveIncome0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:AdditionalPaidInCapital


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-312009-12-31
Value967965964955953952950947945942942939937934932895880789784768765762634
Percentage of StockholdersEquity39.439.239.940.240.741.241.442.243.043.644.444.445.446.547.349.050.449.353.847.450.853.40.0
Percentage of Assets5.05.05.15.04.95.25.35.35.45.55.65.75.85.96.06.26.66.97.17.27.27.10.0
Percentage of Assets us-gaap:AdditionalPaidInCapital0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:RetainedEarnings


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-312009-12-31
Value18871837178917431710168116591616156815201479143913891335128111751059943829721624543551
Percentage of StockholdersEquity77.074.674.073.473.072.772.372.071.370.369.768.067.366.464.964.360.658.956.844.541.438.10.0
Percentage of Assets9.89.69.49.28.99.29.29.08.98.98.88.78.68.48.28.18.08.27.56.85.95.00.0
Percentage of Assets us-gaap:RetainedEarnings0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:TreasuryStock


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-312009-12-31
Value-405.66-342.131-342.131-331.418-331.418-331.418-318.538-318.538-313.846-290.838-282.237-239.589-239.589-239.589-239.589-239.589-185.148-125.736-125.736-125.736-125.736-125.736-125.736
Percentage of StockholdersEquity-16.5-13.9-14.1-14.0-14.1-14.3-13.9-14.2-14.3-13.4-13.3-11.3-11.6-11.9-12.1-13.1-10.6-7.8-8.6-7.8-8.3-8.80.0
Percentage of Assets-2.1-1.8-1.8-1.7-1.7-1.8-1.8-1.8-1.8-1.7-1.7-1.5-1.5-1.5-1.5-1.6-1.4-1.1-1.1-1.2-1.2-1.20.0
Percentage of Assets us-gaap:TreasuryStock0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Tier One Risk Based Capital

us-gaap:TierOneRiskBasedCapital

us-gaap:TierOneRiskBasedCapital


Tier
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312011-12-312010-12-31
Value2059195917361572157413181228
Percentage of TierOneRiskBasedCapital100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets10.810.810.310.110.812.411.4

us-gaap:TierOneRiskBasedCapital dei:LegalEntity

caty:Bank


Tier
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-31
Value2016189219041734151514431353124412591289
Percentage of TierOneRiskBasedCapital97.996.6109.7110.396.20.00.00.00.097.8
Percentage of Assets10.610.511.311.110.410.911.811.311.812.1
Percentage of Assets caty:Bank0.00.00.00.00.00.00.00.00.00.0

Cash

us-gaap:Cash us-gaap:ConsolidatedEntities

us-gaap:Cash

srt:ParentCompany


Cashus-gaap:
Period End2020-12-312019-12-312018-12-312017-12-31
Value50321944
Percentage of Cash100.0100.0100.0100.0
Percentage of Assets0.30.20.10.3
Percentage of Assets srt:ParentCompany2.01.30.82.0

Cash And Cash Equivalents At Carrying Value

us-gaap:CashAndCashEquivalentsAtCarryingValue us-gaap:ConsolidatedEntities

us-gaap:CashAndCashEquivalentsAtCarryingValue

srt:ParentCompany


Cash
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-31
Value523921494112
Percentage of CashAndCashEquivalentsAtCarryingValue100.0100.0100.0100.0100.0100.0
Percentage of Assets0.30.20.10.30.30.1
Percentage of Assets srt:ParentCompany2.11.60.92.20.00.0

Short Term Investments

us-gaap:ShortTermInvestments us-gaap:ConsolidatedEntities

us-gaap:ShortTermInvestments

srt:ParentCompany


Short
Period End2020-12-312019-12-312018-12-312017-12-31
Value0.3320.330.3280.327
Percentage of ShortTermInvestments100.0100.0100.0100.0
Percentage of Assets0.00.00.00.0
Percentage of Assets srt:ParentCompany0.00.00.00.0

us-gaap:ShortTermInvestments us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementBasis

us-gaap:FairValueInputsLevel1, us-gaap:EstimateOfFairValueFairValueDisclosure


Short
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312018-12-31
Value15891612128213051425363416374
Percentage of ShortTermInvestments0.00.0386283.70.00.00.0126223.6114316.2
Percentage of Assets8.28.46.76.97.42.02.32.2
Percentage of Assets us-gaap:FairValueInputsLevel1 us-gaap:EstimateOfFairValueFairValueDisclosure0.00.00.00.00.00.00.00.0

us-gaap:ShortTermInvestments us-gaap:FairValueByMeasurementBasis

us-gaap:EstimateOfFairValueFairValueDisclosure


Short
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312018-12-31
Value15891612128213051425363416374
Percentage of ShortTermInvestments0.00.0386283.70.00.00.0126223.6114316.2
Percentage of Assets8.28.46.76.97.42.02.32.2
Percentage of Assets us-gaap:EstimateOfFairValueFairValueDisclosure0.00.00.00.00.00.00.00.0

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
Value205201196191188186170165159157156
Percentage of PropertyPlantAndEquipmentGross100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets1.11.11.21.21.31.41.51.51.51.51.5

us-gaap:PropertyPlantAndEquipmentGross us-gaap:PropertyPlantAndEquipmentByType

caty:FurnitureFixturesAndEquipment


Property
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-31
Value62605653515047443937
Percentage of PropertyPlantAndEquipmentGross30.629.928.728.027.427.128.226.824.923.8
Percentage of Assets0.30.30.30.30.40.40.40.40.40.4
Percentage of Assets caty:FurnitureFixturesAndEquipment0.00.00.00.00.00.00.00.00.00.0

us-gaap:BuildingAndBuildingImprovements


Property
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-31
Value7979797978787473737273
Percentage of PropertyPlantAndEquipmentGross39.039.640.441.541.642.143.844.646.346.246.9
Percentage of Assets0.40.40.50.50.50.60.60.70.70.70.7
Percentage of Assets us-gaap:BuildingAndBuildingImprovements0.00.00.00.00.00.00.00.00.00.00.0

us-gaap:ConstructionInProgress


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
Value2.0611.6471.150.3350.7030.5380.0541.160.0381.3140.902
Percentage of PropertyPlantAndEquipmentGross1.00.80.60.20.40.30.00.70.00.80.6
Percentage of Assets0.00.00.00.00.00.00.00.00.00.00.0
Percentage of Assets us-gaap:ConstructionInProgress0.00.00.00.00.00.00.00.00.00.00.0

us-gaap:LandAndLandImprovements


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
Value4242424242423333333333
Percentage of PropertyPlantAndEquipmentGross20.721.121.622.222.522.819.720.221.021.321.3
Percentage of Assets0.20.20.30.30.30.30.30.30.30.30.3
Percentage of Assets us-gaap:LandAndLandImprovements0.00.00.00.00.00.00.00.00.00.00.0

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
Value1717171515141412121212
Percentage of PropertyPlantAndEquipmentGross8.78.68.78.18.27.88.27.77.87.97.8
Percentage of Assets0.10.10.10.10.10.10.10.10.10.10.1
Percentage of Assets us-gaap:LeaseholdImprovements0.00.00.00.00.00.00.00.00.00.00.0

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
Value10297938783777063565147
Percentage of AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.50.50.60.60.60.60.60.60.50.50.4

Amortization Of Intangible Assets

us-gaap:AmortizationOfIntangibleAssets

us-gaap:AmortizationOfIntangibleAssets


Amortization
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value171000.0172000.0172000.0172000.0171000.0172000.0172000.0172000.0171000.0172000.0172000.0190000.0280000.0234000.0304000.0281000.0173000.0172000.0172000.0172000.0173000.0172000.0174000.0169000.0147000.0177000.0209000.0214000.0124000.0172000.0436000.01363000.01338000.01396000.01398000.01404000.01404000.01457000.01457000.01461000.01460000.01481000.01482000.01484000.01485000.01507000.0
Percentage of AmortizationOfIntangibleAssets100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Property Plant And Equipment Net

us-gaap:PropertyPlantAndEquipmentNet

us-gaap:PropertyPlantAndEquipmentNet


Property
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-31
Value100101102103104103104103102103103102102101103107104105105106107108108110979899100101102102102102102102103104105105106107108109
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 Assets0.50.50.50.50.50.60.60.60.60.60.60.60.60.60.70.70.70.70.70.80.80.80.80.90.80.80.90.90.90.90.90.91.01.01.01.01.01.01.01.01.01.01.0

Goodwill

us-gaap:Goodwill

us-gaap:Goodwill


Goodwill
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-31
Value372372372372372372372372372372372372372372372372372372372372372372372373316316316316316316316316316316316316316316316316316316316
Percentage of Goodwill100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets1.91.92.02.01.92.02.12.12.12.22.22.32.32.32.42.42.62.62.62.62.82.82.82.92.72.72.72.72.72.82.92.93.03.03.03.03.03.03.03.03.03.02.9

Intangible Assets Net Excluding Goodwill

us-gaap:IntangibleAssetsNetExcludingGoodwill

us-gaap:IntangibleAssetsNetExcludingGoodwill


Intangible
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-31
Value5.0415.2495.4345.6316.036.1876.2966.8216.7826.8747.1947.3917.4627.8038.0629.4082.5372.7492.9493.1583.313.4973.6774.1082.9483.0843.2373.4591.9292.0512.232.7654.1134.8836.1327.6389.147101112141517
Percentage of IntangibleAssetsNetExcludingGoodwill100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.10.10.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.10.10.10.10.10.10.10.10.2

Deferred Tax Assets Liabilities Net

us-gaap:DeferredTaxAssetsLiabilitiesNet

us-gaap:DeferredTaxAssetsLiabilitiesNet


Deferred
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-31
Value64577575719096146112123131
Percentage of DeferredTaxAssetsLiabilitiesNet100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.30.30.50.50.50.70.81.31.01.21.2

Operating Lease Right Of Use Asset

us-gaap:OperatingLeaseRightOfUseAsset

us-gaap:OperatingLeaseRightOfUseAsset


Operating
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-31
Value313230323432333436380.0
Percentage of OperatingLeaseRightOfUseAsset100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0
Percentage of Assets0.20.20.20.20.20.20.20.20.20.20.0

Equity Securities Fv Ni

us-gaap:EquitySecuritiesFvNi

us-gaap:EquitySecuritiesFvNi


Equity
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-31
Value202023222418283232292523232428
Percentage of EquitySecuritiesFvNi100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.10.10.10.10.10.10.20.20.20.20.10.10.10.20.2

us-gaap:EquitySecuritiesFvNi us-gaap:ConsolidatedEntities

srt:ParentCompany


Equity
Period End2020-12-312019-12-312018-12-31
Value151917
Percentage of EquitySecuritiesFvNi65.368.870.0
Percentage of Assets0.10.10.1
Percentage of Assets srt:ParentCompany0.60.80.8

us-gaap:EquitySecuritiesFvNi us-gaap:FairValueByFairValueHierarchyLevel

us-gaap:FairValueInputsLevel1


Equity
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value2020232224182832322925232324
Percentage of EquitySecuritiesFvNi100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.10.10.10.10.10.10.20.20.20.20.10.10.10.2
Percentage of Assets us-gaap:FairValueInputsLevel10.00.00.00.00.00.00.00.00.00.00.00.00.00.0

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

us-gaap:FairValueInputsLevel1, us-gaap:EstimateOfFairValueFairValueDisclosure


Equity
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312018-12-31
Value2020232224182825
Percentage of EquitySecuritiesFvNi100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.10.10.10.10.10.10.20.1
Percentage of Assets us-gaap:FairValueInputsLevel1 us-gaap:EstimateOfFairValueFairValueDisclosure0.00.00.00.00.00.00.00.0

us-gaap:EquitySecuritiesFvNi us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:InvestmentType

us-gaap:FairValueInputsLevel1, caty:MutualFunds


Equity
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-31
Value6.3186.3016.4136.436.4316.3776.2776.3076.2596.1716.094
Percentage of EquitySecuritiesFvNi31.430.027.028.026.233.922.419.219.321.124.3
Percentage of Assets0.00.00.00.00.00.00.00.00.00.00.0
Percentage of Assets us-gaap:FairValueInputsLevel1 caty:MutualFunds0.00.00.00.00.00.00.00.00.00.00.0

us-gaap:FairValueInputsLevel1, caty:OtherEquitySecurities


Equity
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-31
Value12111111138.651111121111
Percentage of EquitySecuritiesFvNi62.154.149.948.054.046.040.034.737.139.844.6
Percentage of Assets0.10.10.10.10.10.00.10.10.10.10.1
Percentage of Assets us-gaap:FairValueInputsLevel1 caty:OtherEquitySecurities0.00.00.00.00.00.00.00.00.00.00.0

us-gaap:FairValueInputsLevel1, caty:PreferredStockOfGovernmentSponsoredEntities


Equity
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-31
Value1.3133.3285.4855.5224.8683.763101514117.822
Percentage of EquitySecuritiesFvNi6.515.923.124.019.820.037.646.143.639.131.2
Percentage of Assets0.00.00.00.00.00.00.10.10.10.10.0
Percentage of Assets us-gaap:FairValueInputsLevel1 caty:PreferredStockOfGovernmentSponsoredEntities0.00.00.00.00.00.00.00.00.00.00.0

us-gaap:EquitySecuritiesFvNi us-gaap:FairValueByMeasurementBasis

us-gaap:CarryingReportedAmountFairValueDisclosure


Equity
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value2020232224182832322925232324
Percentage of EquitySecuritiesFvNi100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.10.10.10.10.10.10.20.20.20.20.10.10.10.2
Percentage of Assets us-gaap:CarryingReportedAmountFairValueDisclosure0.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:EstimateOfFairValueFairValueDisclosure


Equity
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value2020232224182832322925232324
Percentage of EquitySecuritiesFvNi100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.10.10.10.10.10.10.20.20.20.20.10.10.10.2
Percentage of Assets us-gaap:EstimateOfFairValueFairValueDisclosure0.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:EquitySecuritiesFvNi us-gaap:InvestmentType

caty:MutualFunds


Equity
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-31
Value6.3186.3016.4136.436.4316.3776.2776.3076.2596.1716.094
Percentage of EquitySecuritiesFvNi31.430.027.028.026.233.922.419.219.321.124.3
Percentage of Assets0.00.00.00.00.00.00.00.00.00.00.0
Percentage of Assets caty:MutualFunds0.00.00.00.00.00.00.00.00.00.00.0

caty:OtherEquitySecurities


Equity
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-31
Value12111111138.651111121111
Percentage of EquitySecuritiesFvNi62.154.149.948.054.046.040.034.737.139.844.6
Percentage of Assets0.10.10.10.10.10.00.10.10.10.10.1
Percentage of Assets caty:OtherEquitySecurities0.00.00.00.00.00.00.00.00.00.00.0

caty:PreferredStockOfGovernmentSponsoredEntities


Equity
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-31
Value1.3133.3285.4855.5224.8683.763101514117.822
Percentage of EquitySecuritiesFvNi6.515.923.124.019.820.037.646.143.639.131.2
Percentage of Assets0.00.00.00.00.00.00.10.10.10.10.0
Percentage of Assets caty:PreferredStockOfGovernmentSponsoredEntities0.00.00.00.00.00.00.00.00.00.00.0

Other Assets

us-gaap:OtherAssets

us-gaap:OtherAssets


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-31
Value168155170167162142150148161176175186184163167255111114117120135129147158146199143158171176190192162139166168162164206204204215209
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 Assets0.90.80.90.90.80.80.80.80.91.01.01.11.11.01.11.60.80.80.80.91.01.01.11.21.21.71.21.41.51.61.71.81.51.31.61.61.51.61.91.91.92.01.9

us-gaap:OtherAssets us-gaap:ConsolidatedEntities

srt:ParentCompany


Other
Period End2020-12-312019-12-312018-12-312017-12-31
Value6.4475.536.0126.831
Percentage of OtherAssets3.83.73.44.1
Percentage of Assets0.00.00.00.0
Percentage of Assets srt:ParentCompany0.30.20.30.3

Time Deposit Maturities Year One

us-gaap:TimeDepositMaturitiesYearOne

us-gaap:TimeDepositMaturitiesYearOne


Time
Period End2020-12-312011-12-31
Value65073891
Percentage of TimeDepositMaturitiesYearOne100.0100.0
Percentage of Assets34.236.6

Long Term Debt

us-gaap:LongTermDebt

us-gaap:LongTermDebt


Long
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-31
Value119119119119119119119160169174189194194194194119119119119119119119119119119119119119119121121171171171171171171171171171171171171
Percentage of LongTermDebt100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.60.60.60.60.60.70.70.91.01.01.11.21.21.21.20.80.80.80.80.80.90.90.90.91.01.01.01.01.01.11.11.61.61.61.61.61.61.61.61.61.61.61.6

Lessee Operating Lease Liability Payments Due Year Two

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearTwo

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearTwo


Lessee
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-31
Value7970000.07794000.08335000.08183000.07983000.08121000.07923000.0
Percentage of LesseeOperatingLeaseLiabilityPaymentsDueYearTwo100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.00.00.00.00.00.00.0

Lessee Operating Lease Liability Payments Due Year Three

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearThree

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearThree


Lessee
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-31
Value5552000.05427000.06890000.06758000.06587000.06973000.06771000.0
Percentage of LesseeOperatingLeaseLiabilityPaymentsDueYearThree100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.00.00.00.00.00.00.0

Lessee Operating Lease Liability Payments Due Year Four

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearFour

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearFour


Lessee
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-31
Value3307000.03307000.04635000.04570000.04464000.05860000.05714000.0
Percentage of LesseeOperatingLeaseLiabilityPaymentsDueYearFour100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.00.00.00.00.00.00.0

Lessee Operating Lease Liability Payments Due Year Five

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearFive

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearFive


Lessee
Period End2020-12-312020-03-312019-12-31
Value2520000.04002000.03852000.0
Percentage of LesseeOperatingLeaseLiabilityPaymentsDueYearFive100.0100.0100.0
Percentage of Assets0.00.00.0

Operating Lease Liability

us-gaap:OperatingLeaseLiability

us-gaap:OperatingLeaseLiability


Operating
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-31
Value343533353634353637390.0
Percentage of OperatingLeaseLiability100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0
Percentage of Assets0.20.20.20.20.20.20.20.20.20.20.0

Lessee Operating Lease Liability Payments Due

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDue

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDue


Lessee
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-31
Value36383537393739
Percentage of LesseeOperatingLeaseLiabilityPaymentsDue100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.20.20.20.20.20.20.2

Lessee Operating Lease Liability Undiscounted Excess Amount

us-gaap:LesseeOperatingLeaseLiabilityUndiscountedExcessAmount

us-gaap:LesseeOperatingLeaseLiabilityUndiscountedExcessAmount


Lessee
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-31
Value2208000.02425000.02433000.02663000.02902000.03104000.03350000.0
Percentage of LesseeOperatingLeaseLiabilityUndiscountedExcessAmount100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.00.00.00.00.00.00.0

Stockholders Equity

us-gaap:StockholdersEquity

us-gaap:StockholdersEquity


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312014-12-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-31
Value2452246324182374234223132294224521992163212121162064200919731968189718571828179017601734174716021458142615301541162115971564153715071486147314431427
Percentage of StockholdersEquity100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets12.712.812.712.512.212.612.712.512.512.612.612.912.712.712.612.513.213.112.612.713.013.113.213.913.313.214.414.615.215.114.714.514.214.214.013.613.2

us-gaap:StockholdersEquity us-gaap:ConsolidatedEntities

srt:ParentCompany


Stockholders
Period End2020-12-312019-12-312018-12-312017-12-31
Value2418229421211973
Percentage of StockholdersEquity100.0100.0100.0100.0
Percentage of Assets12.712.712.612.6
Percentage of Assets srt:ParentCompany95.194.290.789.1

us-gaap:StockholdersEquity us-gaap:CumulativeEffectPeriodOfAdoption

srt:CumulativeEffectPeriodOfAdoptionAdjustedBalance


Stockholders
Period End2021-01-01
Value2417
Percentage of StockholdersEquity0.0
Percentage of Assets0.0
Percentage of Assets srt:CumulativeEffectPeriodOfAdoptionAdjustedBalance0.0

srt:CumulativeEffectPeriodOfAdoptionAdjustment


Stockholders
Period End2021-01-01
Value-0.798
Percentage of StockholdersEquity0.0
Percentage of Assets0.0
Percentage of Assets srt:CumulativeEffectPeriodOfAdoptionAdjustment0.0

us-gaap:StockholdersEquity us-gaap:CumulativeEffectPeriodOfAdoption, us-gaap:AdjustmentsForNewAccountingPronouncements

srt:CumulativeEffectPeriodOfAdoptionAdjustment, us-gaap:AccountingStandardsUpdate201613


Stockholders
Period End2020-12-31
Value-0.798
Percentage of StockholdersEquity-0.0
Percentage of Assets-0.0
Percentage of Assets srt:CumulativeEffectPeriodOfAdoptionAdjustment us-gaap:AccountingStandardsUpdate2016130.0

us-gaap:StockholdersEquity us-gaap:CumulativeEffectPeriodOfAdoption, us-gaap:AdjustmentsForNewAccountingPronouncements, us-gaap:StatementEquityComponents

srt:CumulativeEffectPeriodOfAdoptionAdjustment, us-gaap:AccountingStandardsUpdate201613, us-gaap:RetainedEarnings


Stockholders
Period End2020-12-31
Value-0.798
Percentage of StockholdersEquity-0.0
Percentage of Assets-0.0
Percentage of Assets srt:CumulativeEffectPeriodOfAdoptionAdjustment us-gaap:AccountingStandardsUpdate201613 us-gaap:RetainedEarnings0.0

us-gaap:StockholdersEquity us-gaap:StatementEquityComponents

caty:CommonStockOutstanding


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312016-12-31
Value0.9080.9070.9060.9040.9030.9020.90.90.90.8990.8980.8960.8950.8940.8910.878
Percentage of StockholdersEquity0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0
Percentage of Assets0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0
Percentage of Assets caty:CommonStockOutstanding0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:AccumulatedGainLossNetCashFlowHedgeParent


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-31
Value-5.188-5.627-6.89-7.393-7.925-7.69-3.412-4.36-3.567-1.465-0.2412.8291.1630.427-1.451-2.264-2.421-1.871-2.17
Percentage of StockholdersEquity-0.2-0.2-0.3-0.3-0.3-0.3-0.1-0.2-0.2-0.1-0.00.10.10.0-0.1-0.1-0.1-0.1-0.1
Percentage of Assets-0.0-0.0-0.0-0.0-0.0-0.0-0.0-0.0-0.0-0.0-0.00.00.00.0-0.0-0.0-0.0-0.0-0.0
Percentage of Assets us-gaap:AccumulatedGainLossNetCashFlowHedgeParent0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:AccumulatedNetUnrealizedInvestmentGainLoss


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312014-12-31
Value7.567.313121316175.7143.5272.209-8.966-17.765-26.612-24.084-21.333-1.062.0471.001-1.771-1.5458.4968.5395.042-5.431-3.172
Percentage of StockholdersEquity0.30.30.50.60.70.80.20.20.1-0.4-0.8-1.3-1.2-1.1-0.10.10.1-0.1-0.10.50.50.3-0.3-0.2
Percentage of Assets0.00.00.10.10.10.10.00.00.0-0.1-0.1-0.2-0.1-0.1-0.00.00.0-0.0-0.00.10.10.0-0.0-0.0
Percentage of Assets us-gaap:AccumulatedNetUnrealizedInvestmentGainLoss0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:AccumulatedOtherComprehensiveIncome


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-312009-12-31
Value2.3721.6865.316.3898.3539.8772.302-0.833-1.358-10.431-18.006-23.783-22.921-20.906-2.511-0.217-1.42-3.642-3.7151.9031.142-1.073-8.426-5.569-29.7290.465-8.732-1.022-0.875
Percentage of StockholdersEquity0.10.10.20.30.40.40.1-0.0-0.1-0.5-0.8-1.1-1.1-1.0-0.1-0.0-0.1-0.2-0.20.10.1-0.1-0.5-0.3-2.00.0-0.6-0.10.0
Percentage of Assets0.00.00.00.00.00.10.0-0.0-0.0-0.1-0.1-0.1-0.1-0.1-0.0-0.0-0.0-0.0-0.00.00.0-0.0-0.1-0.0-0.30.0-0.1-0.00.0
Percentage of Assets us-gaap:AccumulatedOtherComprehensiveIncome0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:AdditionalPaidInCapital


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-312009-12-31
Value967965964955953952950947945942942939937934932895880789784768765762634
Percentage of StockholdersEquity39.439.239.940.240.741.241.442.243.043.644.444.445.446.547.349.050.449.353.847.450.853.40.0
Percentage of Assets5.05.05.15.04.95.25.35.35.45.55.65.75.85.96.06.26.66.97.17.27.27.10.0
Percentage of Assets us-gaap:AdditionalPaidInCapital0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:RetainedEarnings


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-312009-12-31
Value18871837178917431710168116591616156815201479143913891335128111751059943829721624543551
Percentage of StockholdersEquity77.074.674.073.473.072.772.372.071.370.369.768.067.366.464.964.360.658.956.844.541.438.10.0
Percentage of Assets9.89.69.49.28.99.29.29.08.98.98.88.78.68.48.28.18.08.27.56.85.95.00.0
Percentage of Assets us-gaap:RetainedEarnings0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:TreasuryStock


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-312009-12-31
Value-405.66-342.131-342.131-331.418-331.418-331.418-318.538-318.538-313.846-290.838-282.237-239.589-239.589-239.589-239.589-239.589-185.148-125.736-125.736-125.736-125.736-125.736-125.736
Percentage of StockholdersEquity-16.5-13.9-14.1-14.0-14.1-14.3-13.9-14.2-14.3-13.4-13.3-11.3-11.6-11.9-12.1-13.1-10.6-7.8-8.6-7.8-8.3-8.80.0
Percentage of Assets-2.1-1.8-1.8-1.7-1.7-1.8-1.8-1.8-1.8-1.7-1.7-1.5-1.5-1.5-1.5-1.6-1.4-1.1-1.1-1.2-1.2-1.20.0
Percentage of Assets us-gaap:TreasuryStock0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

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
Value908000.0907000.0906000.0904000.0903000.0902000.0900000.0900000.0900000.0899000.0898000.0896000.0895000.0894000.0891000.0890000.0881000.0880000.0878000.0871000.0871000.0870000.0870000.0869000.0842000.0841000.0840000.0839000.0839000.0838000.0838000.0831000.0831000.0831000.0830000.0830000.0829000.0829000.0829000.0829000.0828000.0828000.0827000.0
Percentage of CommonStockValue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:CommonStockValue us-gaap:ConsolidatedEntities

srt:ParentCompany


Common
Period End2020-12-312019-12-312018-12-312017-12-31
Value906000.0900000.0898000.0891000.0
Percentage of CommonStockValue100.0100.0100.0100.0
Percentage of Assets0.00.00.00.0
Percentage of Assets srt:ParentCompany0.00.00.00.0

Additional Paid In Capital

us-gaap:AdditionalPaidInCapital

us-gaap:AdditionalPaidInCapital


Additional
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-31
Value967965964955953952950947945942942939937934932932895892895886884882880877790787789787786785784771770769768768767766765765764764762
Percentage of AdditionalPaidInCapital100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets5.05.05.15.04.95.25.35.35.45.55.65.75.85.96.05.96.26.36.26.36.66.76.66.96.66.66.96.86.87.07.17.17.37.37.27.27.27.27.27.37.37.27.1

us-gaap:AdditionalPaidInCapital us-gaap:ConsolidatedEntities

srt:ParentCompany


Additional
Period End2020-12-312019-12-312018-12-312017-12-31
Value964950942932
Percentage of AdditionalPaidInCapital100.0100.0100.0100.0
Percentage of Assets5.15.35.66.0
Percentage of Assets srt:ParentCompany37.939.040.342.1

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
Value1887183717891743171016811659161615681520147914391389133512811275124212071175114411121091105910321005971943916885856829801771744721698673648624601580560543
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 Assets9.89.69.49.28.99.29.29.08.98.98.88.78.68.48.28.18.78.58.18.18.28.28.08.18.48.28.27.97.77.67.57.47.37.16.86.66.36.15.95.75.55.35.0

us-gaap:RetainedEarningsAccumulatedDeficit us-gaap:AdjustmentsForNewAccountingPronouncements

us-gaap:AccountingStandardsUpdate201613


Retained
Period End2021-01-01
Value-0.8
Percentage of RetainedEarningsAccumulatedDeficit0.0
Percentage of Assets0.0
Percentage of Assets us-gaap:AccountingStandardsUpdate2016130.0

us-gaap:RetainedEarningsAccumulatedDeficit us-gaap:ConsolidatedEntities

srt:ParentCompany


Retained
Period End2020-12-312019-12-312018-12-312017-12-31
Value1789165914791281
Percentage of RetainedEarningsAccumulatedDeficit100.0100.0100.0100.0
Percentage of Assets9.49.28.88.2
Percentage of Assets srt:ParentCompany70.468.263.257.9

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
Value2.3721.6865.316.3898.3539.8772.302-0.833-1.358-10.431-18.006-23.783-22.921-20.906-2.511-0.217-1.42-3.642-3.7151.9031.142-1.073-8.426-2.597-2.782-0.646-5.569-8.835-8.896-22.09-29.729-21.183-15.073230.4651.947-3.688-4.537-8.732-5.494.382-4.592-1.022
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 Assets0.00.00.00.00.00.10.0-0.0-0.0-0.1-0.1-0.1-0.1-0.1-0.0-0.0-0.0-0.0-0.00.00.0-0.0-0.1-0.0-0.0-0.0-0.0-0.1-0.1-0.2-0.3-0.2-0.10.20.00.0-0.0-0.0-0.1-0.10.0-0.0-0.0

us-gaap:AccumulatedOtherComprehensiveIncomeLossNetOfTax us-gaap:ConsolidatedEntities

srt:ParentCompany


Accumulated
Period End2020-12-312019-12-312018-12-312017-12-31
Value5.312.302-18.006-2.511
Percentage of AccumulatedOtherComprehensiveIncomeLossNetOfTax100.0100.0100.0100.0
Percentage of Assets0.00.0-0.1-0.0
Percentage of Assets srt:ParentCompany0.20.1-0.8-0.1

Treasury Stock Value

us-gaap:TreasuryStockValue

us-gaap:TreasuryStockValue


Treasury
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-31
Value405342342331331331318318313290282239239239239239239239239239239239185176125125125125125125125125125125125125125125125125125125125
Percentage of TreasuryStockValue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets2.11.81.81.71.71.81.81.81.81.71.71.51.51.51.51.51.71.71.61.71.81.81.41.41.11.11.11.11.11.11.11.21.21.21.21.21.21.21.21.21.21.21.2

us-gaap:TreasuryStockValue us-gaap:ConsolidatedEntities

srt:ParentCompany


Treasury
Period End2020-12-312019-12-312018-12-312017-12-31
Value342318-282.237-239.589
Percentage of TreasuryStockValue100.0100.0-100.0-100.0
Percentage of Assets1.81.8-1.7-1.5
Percentage of Assets srt:ParentCompany13.513.1-12.1-10.8

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

us-gaap:AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue

us-gaap:AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue


Adjustments
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value1209000.01243000.01798000.01264000.01001000.01543000.01753000.01789000.01525000.01534000.02000000.01921000.01905000.01499000.0
Percentage of AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue us-gaap:StatementEquityComponents

us-gaap:AdditionalPaidInCapital


Adjustments
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value1209000.01243000.01798000.01264000.01001000.01543000.01753000.01789000.01525000.01534000.02000000.01921000.01905000.01499000.0
Percentage of AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.00.00.00.00.00.00.00.00.00.00.00.00.00.0
Percentage of Assets us-gaap:AdditionalPaidInCapital0.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Net Cash Provided By Used In Operating Activities

us-gaap:NetCashProvidedByUsedInOperatingActivities

us-gaap:NetCashProvidedByUsedInOperatingActivities


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value749186607795111150868797896584125-6.6347654637950415237305545372046221833393811834-26.04205-108.815522513464364
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 InterestAndDividendIncomeOperating45.256.151.835.444.450.958.275.944.946.452.950.438.953.280.5-4.356.241.348.863.741.333.644.032.227.253.243.435.119.345.922.418.133.639.036.3110.831.7-23.6185.1-95.145.622.111.738.635.051.1

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-146.93897-66.92378107-361.521-382.015-185.629-440.365-373.665-328.179-126.495-582.653-97.0-65.566279-352.744-85.401-427.275-653.697-226.97824-518.714-292.74612-379.05978-76.58-161.902-299.725-228.229-125.993-138.308180-59.382-53.176-60.261126-407.387242102189437121442-405.071
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-88.959.6-39.945.561.9-193.6-199.8-93.8-228.8-199.0-178.5-71.5-347.8-60.7-42.1181.1-260.1-65.3-327.0-526.5-186.219.8-434.0-250.511.5-361.274.4-72.0-154.1-296.2-224.6-123.0-137.1177.1-56.4-49.8-56.0114.7-366.8212.189.7166.4370.1100.8355.8-320.3

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
Value40144-32.9-278.971888172393023732242542151971951930810-333.169377549213-52.868449284-58.768328-148.309-6.33222526115717681-209.95351-85.20741-99.025110-53.476-113.115-214.719-439.027-171.208-472.857305
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 InterestAndDividendIncomeOperating24.488.3-19.6-162.0510.792.520.6153.1194.0119.6138.3121.7118.1122.712.5200.07.7-254.7289.0442.2175.0-43.2376.4243.4-52.3313.2-139.9-6.0214.9258.1154.9172.081.2-205.748.8-79.838.8-89.999.7-46.8-98.9-188.7-371.0-142.1-380.5241.3

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

us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect

us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect


Cash
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value-31.703333-12.988-139.6351073-93.762-231.36826719-61.9118177-319.584188
Percentage of CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of InterestAndDividendIncomeOperating-19.2204.0-7.7-81.1617.0-50.2-121.0135.210.1-33.09.9100.6-190.8118.3

Depreciation Depletion And Amortization

us-gaap:DepreciationDepletionAndAmortization

us-gaap:DepreciationDepletionAndAmortization


Depreciation
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-30
Value2.1122.0442.0161.9561.8911.7971.7471.7011.6821.6261.7211.7251.8592.0091.8491.9121.7351.7691.8061.8231.9381.923-14.756154.9351.9291.9572.015
Percentage of DepreciationDepletionAndAmortization100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

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
Value749186607795111150868797896584125-6.6347654637950415237305545372046221833393811834-26.04205-108.815522513464364
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 InterestAndDividendIncomeOperating45.256.151.835.444.450.958.275.944.946.452.950.438.953.280.5-4.356.241.348.863.741.333.644.032.227.253.243.435.119.345.922.418.133.639.036.3110.831.7-23.6185.1-95.145.622.111.738.635.051.1

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
Value77737056544667727266646973632549514848463446413845353535353132322928283029282726242218171.923-25.741
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 InterestAndDividendIncomeOperating46.744.942.333.031.225.135.236.837.535.535.239.444.040.016.732.337.937.436.737.128.637.734.732.940.234.333.633.833.430.931.531.729.728.327.028.427.826.324.922.821.319.415.314.31.5-20.4

us-gaap:NetIncomeLoss us-gaap:StatementEquityComponents

us-gaap:RetainedEarnings


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value7773705654466772726664697363
Percentage of NetIncomeLoss100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of InterestAndDividendIncomeOperating46.744.942.333.031.225.135.236.837.535.535.239.444.040.0
Percentage of InterestAndDividendIncomeOperating us-gaap:RetainedEarnings0.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Share Based Compensation

us-gaap:ShareBasedCompensation

us-gaap:ShareBasedCompensation


Share
Period End2020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value1264000.01801000.01543000.01789000.02274000.01534000.01998000.01922000.02555000.01499000.01285000.01342000.01924000.01183000.01159000.01181000.01045000.01578000.01027000.01185000.01168000.01570000.01242000.0951000.0644000.01353000.0438000.0908000.0830000.01037000.0261000.0652000.0603000.0546000.0480000.0407000.0408000.0463000.0647000.0775000.0778000.01137000.0
Percentage of ShareBasedCompensation100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

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-146.93897-66.92378107-361.521-382.015-185.629-440.365-373.665-328.179-126.495-582.653-97.0-65.566279-352.744-85.401-427.275-653.697-226.97824-518.714-292.74612-379.05978-76.58-161.902-299.725-228.229-125.993-138.308180-59.382-53.176-60.261126-407.387242102189437121442-405.071
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-88.959.6-39.945.561.9-193.6-199.8-93.8-228.8-199.0-178.5-71.5-347.8-60.7-42.1181.1-260.1-65.3-327.0-526.5-186.219.8-434.0-250.511.5-361.274.4-72.0-154.1-296.2-224.6-123.0-137.1177.1-56.4-49.8-56.0114.7-366.8212.189.7166.4370.1100.8355.8-320.3

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
Value1.0270.761.4061.0562.4490.8672.0082.431.1931.5022.1741.792.0680.6382.212-0.7420.7021.0160.3571.3090.7941.0630.891.2450.8210.5620.7410.7191.2362.0811.4482.1031.6171.0140.7960.6970.710.9050.8930.3250.6011.0690.4952.3031.2980.883
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
Value40144-32.9-278.971888172393023732242542151971951930810-333.169377549213-52.868449284-58.768328-148.309-6.33222526115717681-209.95351-85.20741-99.025110-53.476-113.115-214.719-439.027-171.208-472.857305
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 InterestAndDividendIncomeOperating24.488.3-19.6-162.0510.792.520.6153.1194.0119.6138.3121.7118.1122.712.5200.07.7-254.7289.0442.2175.0-43.2376.4243.4-52.3313.2-139.9-6.0214.9258.1154.9172.081.2-205.748.8-79.838.8-89.999.7-46.8-98.9-188.7-371.0-142.1-380.5241.3

Payments Of Dividends

us-gaap:PaymentsOfDividends

us-gaap:PaymentsOfDividends


Payments
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312011-03-312010-03-31
Value242424242424242424242419191919161616161414141411117.9837.9715.5775.5763.983.9752.42.4033.8280.7860.785
Percentage of PaymentsOfDividends100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Payments For Repurchase Of Common Stock

us-gaap:PaymentsForRepurchaseOfCommonStock

us-gaap:PaymentsForRepurchaseOfCommonStock


Payments
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302016-12-312016-09-302016-06-302016-03-312015-12-31
Value100.00.0120.04.692238.601420.00.00.00.0548.711
Percentage of PaymentsForRepurchaseOfCommonStock100.00.00.0100.00.0100.0100.0100.0100.00.00.00.00.0100.0100.0

Effective Income Tax Rate Continuing Operations

us-gaap:EffectiveIncomeTaxRateContinuingOperations

us-gaap:EffectiveIncomeTaxRateContinuingOperations


Effective
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-31
Value0.421.91.38.489-0.0520.163-0.0020.011-0.0260.2180.0050.011-0.0490.228-0.0040.414-0.0310.295-0.0080.255-0.0280.3290.006-0.012-0.0960.37300.0050.0040.364-0.0010.002-0.0060.369-0.0030.002-0.0030.364
Percentage of EffectiveIncomeTaxRateContinuingOperations100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Deferred Tax Assets Net

us-gaap:DeferredTaxAssetsNet

us-gaap:DeferredTaxAssetsNet


Deferred
Period End2020-12-31
Value85
Percentage of DeferredTaxAssetsNet100.0

us-gaap:DeferredTaxAssetsNet us-gaap:CumulativeEffectPeriodOfAdoption

srt:CumulativeEffectPeriodOfAdoptionAdjustedBalance


Deferred
Period End2021-01-01
Value85
Percentage of DeferredTaxAssetsNet0.0

srt:CumulativeEffectPeriodOfAdoptionAdjustment


Deferred
Period End2021-01-01
Value0.335
Percentage of DeferredTaxAssetsNet0.0

us-gaap:DeferredTaxAssetsNet us-gaap:Restatement, us-gaap:ErrorCorrectionsAndPriorPeriodAdjustmentsRestatementByRestatementPeriodAndAmount

srt:RevisionOfPriorPeriodErrorCorrectionAdjustment, caty:CorrectionOfBalanceSheetAmounts


Deferred
Period End2021-01-01
Value1.0
Percentage of DeferredTaxAssetsNet0.0

caty:AccretionAmortizationOfInvestments

caty:AccretionAmortizationOfInvestments


Accretion
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-31
Value101115161213127.089.11710355.789-0.393-0.0121.7941.0961.4950.1871.6152.018231.3048.065160.1030.224
Percentage of AccretionAmortizationOfInvestments100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

caty:AmortizationOfRightOfUseAssetOperatingLease

caty:AmortizationOfRightOfUseAssetOperatingLease


Amortization
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-30
Value2240000.02221000.02228000.02375000.02134000.02115000.02118000.02102000.02075000.02071000.000
Percentage of AmortizationOfRightOfUseAssetOperatingLease100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.00.0

caty:AverageReserveBalancesRequiredToBeMaintainedWithFederalBank

caty:AverageReserveBalancesRequiredToBeMaintainedWithFederalBank


Average
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value-0.018-0.041-0.1030.2220.11-0.0170.1610.0
Percentage of AverageReserveBalancesRequiredToBeMaintainedWithFederalBank100.0100.0100.0100.0100.0100.0100.00.0

caty:BenefitShortfallOfTaxDeductionsFromSharebasedCompensation

caty:BenefitShortfallOfTaxDeductionsFromSharebasedCompensation


Benefit
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-31
Value160.0370.00.10.3-5.45.50.50.00.10.70.00.02.60.0-0.068-3.2980.2540.017-1.224-4.395
Percentage of BenefitShortfallOfTaxDeductionsFromSharebasedCompensation100.0100.00.0100.0100.0100.0100.0100.00.0100.0100.00.00.0100.00.0100.0100.0100.0100.0100.0100.0

caty:ChangeInOperatingLeaseLiabilities

caty:ChangeInOperatingLeaseLiabilities


Change
Period 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
Value-1609000.02319000.0-1632000.0-1292000.01618000.0-1083000.0-1859000.0-1821000.0-1675000.0-1802000.000
Percentage of ChangeInOperatingLeaseLiabilities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.00.0

caty:DebtRedemptionCost

caty:DebtRedemptionCost


Debt
Period End2021-06-302021-03-31
Value0732000.0
Percentage of DebtRedemptionCost0.0100.0

caty:DepositoryServiceFees

caty:DepositoryServiceFees


Depository
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value1343000.01363000.01271000.01263000.01117000.01298000.01146000.01119000.01243000.01255000.0
Percentage of DepositoryServiceFees100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

caty:DividendIncomeFromFederalHomeLoanBankStock

caty:DividendIncomeFromFederalHomeLoanBankStock


Dividend
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value255000.0217000.0217000.0216000.0214000.0305000.0304000.0301000.0298000.0304000.0584000.0303000.0380000.0396000.0481000.0607000.0298000.0412000.0977000.0393000.0382000.0347000.0382000.0524000.01677000.0581000.0595000.0508000.0421000.0450000.0439000.0449000.0342000.0250000.0295000.057000.067000.066000.043000.038000.049000.047000.066000.077000.046000.048000.0
Percentage of DividendIncomeFromFederalHomeLoanBankStock100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

caty:FinancingReceivableAllowanceForCreditLossWriteoffAfterRecoveryNet

caty:FinancingReceivableAllowanceForCreditLossWriteoffAfterRecoveryNet


Financing
Period End2021-06-302021-03-312020-06-302020-03-31
Value7.2547.7583.593-0.049
Percentage of FinancingReceivableAllowanceForCreditLossWriteoffAfterRecoveryNet100.0100.0100.0100.0

caty:FinancingReceivableAllowanceForCreditLossWriteoffAfterRecoveryNet us-gaap:FinancingReceivablePortfolioSegment

caty:EquityLinesPortfolioSegment


Financing
Period End2021-06-302021-03-31
Value-0.006-0.009
Percentage of FinancingReceivableAllowanceForCreditLossWriteoffAfterRecoveryNet-0.1-0.1

caty:ResidentialMortgageAndEquityLinesPortfolioSegment


Financing
Period End2021-06-302021-03-312020-06-302020-03-31
Value-0.208-0.016-0.068-0.007
Percentage of FinancingReceivableAllowanceForCreditLossWriteoffAfterRecoveryNet-2.9-0.2-1.914.3

us-gaap:CommercialPortfolioSegment


Financing
Period End2021-06-302021-03-312020-06-302020-03-31
Value7.5577.8693.7560.113
Percentage of FinancingReceivableAllowanceForCreditLossWriteoffAfterRecoveryNet104.2101.4104.5-230.6

us-gaap:CommercialRealEstatePortfolioSegment


Financing
Period End2021-06-302021-03-312020-06-302020-03-31
Value-0.095-0.095-0.095-0.155
Percentage of FinancingReceivableAllowanceForCreditLossWriteoffAfterRecoveryNet-1.3-1.2-2.6316.3

us-gaap:ResidentialPortfolioSegment


Financing
Period End2021-06-302021-03-31
Value-0.201-0.007
Percentage of FinancingReceivableAllowanceForCreditLossWriteoffAfterRecoveryNet-2.8-0.1

caty:FinancingReceivableAllowanceForCreditLossesNetChargeOffs

caty:FinancingReceivableAllowanceForCreditLossesNetChargeOffs


Financing
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302011-12-312011-09-302011-06-302010-12-312010-09-302010-06-30
Value-7.592-3.05-3.5930.0492.3165.2570.0960.164-1.0663.058-0.1851.8051.7445.7260.265-0.9221.024-5.006-6.4546.089-8.113-2.111-0.502-0.331-5.7785.2223.6394.6329-21.7572218-22.559
Percentage of FinancingReceivableAllowanceForCreditLossesNetChargeOffs100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

caty:FinancingReceivableAllowanceForCreditLossesNetChargeOffs us-gaap:FinancingReceivablePortfolioSegment

caty:ResidentialMortgageAndEquityLinesPortfolioSegment


Financing
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-31
Value0.0140.0150.0680.0070.350.0620.1620.158-0.0580.005-0.170.084-0.0030.0070.0070.0080.0060.006-0.137-0.1140.001-0.013-0.1290.131
Percentage of FinancingReceivableAllowanceForCreditLossesNetChargeOffs-0.2-0.5-1.914.315.11.2168.896.35.40.291.94.7-0.20.12.6-0.9-0.1-0.1-2.21.4-0.02.639.0-2.3

us-gaap:CommercialPortfolioSegment


Financing
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-30
Value-7.7-3.16-3.756-0.1131.849-3.144-0.357-1.190.6250.065-0.3380.8940.4980.495-0.192-0.713-0.496-1.271-5.961-1.083-8.138-2.703-2.3491.4111.3823.8964.568
Percentage of FinancingReceivableAllowanceForCreditLossesNetChargeOffs101.4103.6104.5-230.679.8-59.8-371.9-725.6-58.62.1182.749.528.68.6-72.577.3-48.425.492.4-17.8100.3128.0467.9-426.3-23.974.6125.5

us-gaap:CommercialRealEstatePortfolioSegment


Financing
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-30
Value0.0940.0950.0950.1550.1174.9610.2610.152-1.6782.9440.2790.7831.1565.1770.403-0.2661.349-4.289-0.5460.0330.10.551.807-1.658-4.861.2940.884
Percentage of FinancingReceivableAllowanceForCreditLossesNetChargeOffs-1.2-3.1-2.6316.35.194.4271.992.7157.496.3-150.843.466.390.4152.128.9131.785.78.50.5-1.2-26.1-360.0500.984.124.824.3

caty:FinancingReceivableOriginatedMoreThanFiveYearsBeforeCurrentFiscalYearAllowanceForCreditLossRecovery us-gaap:FinancingReceivablePortfolioSegment

caty:FinancingReceivableOriginatedMoreThanFiveYearsBeforeCurrentFiscalYearAllowanceForCreditLossRecovery

us-gaap:CommercialPortfolioSegment


Financing
Period End2021-06-302021-03-31
Value7000.0156000.0
Percentage of FinancingReceivableOriginatedMoreThanFiveYearsBeforeCurrentFiscalYearAllowanceForCreditLossRecovery100.0100.0

us-gaap:ResidentialPortfolioSegment


Financing
Period End2021-06-302021-03-31
Value201000.07000.0
Percentage of FinancingReceivableOriginatedMoreThanFiveYearsBeforeCurrentFiscalYearAllowanceForCreditLossRecovery2871.44.5

caty:FinancingReceivableOriginatedMoreThanFiveYearsBeforeCurrentFiscalYearAllowanceForCreditLossWriteOffAfterRecovery

caty:FinancingReceivableOriginatedMoreThanFiveYearsBeforeCurrentFiscalYearAllowanceForCreditLossWriteOffAfterRecovery


Financing
Period End2021-06-302021-03-31
Value-165000.0-170000.0
Percentage of FinancingReceivableOriginatedMoreThanFiveYearsBeforeCurrentFiscalYearAllowanceForCreditLossWriteOffAfterRecovery100.0100.0

caty:FinancingReceivableOriginatedMoreThanFiveYearsBeforeCurrentFiscalYearAllowanceForCreditLossWriteOffAfterRecovery us-gaap:FinancingReceivablePortfolioSegment

us-gaap:CommercialPortfolioSegment


Financing
Period End2021-06-302021-03-31
Value43000.0-156000.0
Percentage of FinancingReceivableOriginatedMoreThanFiveYearsBeforeCurrentFiscalYearAllowanceForCreditLossWriteOffAfterRecovery-26.191.8

us-gaap:ResidentialPortfolioSegment


Financing
Period End2021-06-302021-03-31
Value-201000.0-7000.0
Percentage of FinancingReceivableOriginatedMoreThanFiveYearsBeforeCurrentFiscalYearAllowanceForCreditLossWriteOffAfterRecovery121.84.1

caty:FinancingReceivableRevolvingAllowanceForCreditLossRecovery us-gaap:FinancingReceivablePortfolioSegment

caty:FinancingReceivableRevolvingAllowanceForCreditLossRecovery

caty:EquityLinesPortfolioSegment


Financing
Period End2021-06-302021-03-31
Value2000.03000.0
Percentage of FinancingReceivableRevolvingAllowanceForCreditLossRecovery100.0100.0

us-gaap:CommercialPortfolioSegment


Financing
Period End2021-06-302021-03-31
Value127000.01109000.0
Percentage of FinancingReceivableRevolvingAllowanceForCreditLossRecovery6350.036966.7

caty:FinancingReceivableRevolvingAllowanceForCreditLossWriteOff us-gaap:FinancingReceivablePortfolioSegment

caty:FinancingReceivableRevolvingAllowanceForCreditLossWriteOff

us-gaap:CommercialPortfolioSegment


Financing
Period End2021-06-302021-03-31
Value7.6128.699
Percentage of FinancingReceivableRevolvingAllowanceForCreditLossWriteOff100.0100.0

caty:FinancingReceivableRevolvingAllowanceForCreditLossWriteOffAfterRecovery

caty:FinancingReceivableRevolvingAllowanceForCreditLossWriteOffAfterRecovery


Financing
Period End2021-06-302021-03-31
Value7.4557.559
Percentage of FinancingReceivableRevolvingAllowanceForCreditLossWriteOffAfterRecovery100.0100.0

caty:FinancingReceivableRevolvingAllowanceForCreditLossWriteOffAfterRecovery us-gaap:FinancingReceivablePortfolioSegment

caty:EquityLinesPortfolioSegment


Financing
Period End2021-06-302021-03-31
Value-0.002-0.003
Percentage of FinancingReceivableRevolvingAllowanceForCreditLossWriteOffAfterRecovery-0.0-0.0

us-gaap:CommercialPortfolioSegment


Financing
Period End2021-06-302021-03-31
Value7.4857.59
Percentage of FinancingReceivableRevolvingAllowanceForCreditLossWriteOffAfterRecovery100.4100.4

caty:FinancingReceivableRevolvingConvertedToTermLoanRecovery us-gaap:FinancingReceivablePortfolioSegment

caty:FinancingReceivableRevolvingConvertedToTermLoanRecovery

caty:EquityLinesPortfolioSegment


Financing
Period End2021-06-302021-03-31
Value4000.06000.0
Percentage of FinancingReceivableRevolvingConvertedToTermLoanRecovery100.0100.0

caty:FinancingReceivableRevolvingConvertedToTermLoanWriteoffAfterRecovery

caty:FinancingReceivableRevolvingConvertedToTermLoanWriteoffAfterRecovery


Financing
Period End2021-06-302021-03-31
Value-4000.0-6000.0
Percentage of FinancingReceivableRevolvingConvertedToTermLoanWriteoffAfterRecovery100.0100.0

caty:FinancingReceivableRevolvingConvertedToTermLoanWriteoffAfterRecovery us-gaap:FinancingReceivablePortfolioSegment

caty:EquityLinesPortfolioSegment


Financing
Period End2021-06-302021-03-31
Value-4000.0-6000.0
Percentage of FinancingReceivableRevolvingConvertedToTermLoanWriteoffAfterRecovery100.0100.0

caty:FinancingReceivableYearFourOriginatedThreeYearsBeforeCurrentFiscalYearAllowanceForCreditLossRecovery us-gaap:FinancingReceivablePortfolioSegment

caty:FinancingReceivableYearFourOriginatedThreeYearsBeforeCurrentFiscalYearAllowanceForCreditLossRecovery

us-gaap:CommercialPortfolioSegment


Financing
Period End2021-06-302021-03-31
Value22000.04000.0
Percentage of FinancingReceivableYearFourOriginatedThreeYearsBeforeCurrentFiscalYearAllowanceForCreditLossRecovery100.0100.0

caty:FinancingReceivableYearFourOriginatedThreeYearsBeforeCurrentFiscalYearAllowanceForCreditLossWriteOff us-gaap:FinancingReceivablePortfolioSegment

caty:FinancingReceivableYearFourOriginatedThreeYearsBeforeCurrentFiscalYearAllowanceForCreditLossWriteOff

us-gaap:CommercialPortfolioSegment


Financing
Period End2021-06-302021-03-31
Value0366000.0
Percentage of FinancingReceivableYearFourOriginatedThreeYearsBeforeCurrentFiscalYearAllowanceForCreditLossWriteOff0.0100.0

caty:FinancingReceivableYearFourOriginatedThreeYearsBeforeCurrentFiscalYearAllowanceForCreditLossWriteOffAfterRecovery

caty:FinancingReceivableYearFourOriginatedThreeYearsBeforeCurrentFiscalYearAllowanceForCreditLossWriteOffAfterRecovery


Financing
Period End2021-06-302021-03-31
Value-22000.0362000.0
Percentage of FinancingReceivableYearFourOriginatedThreeYearsBeforeCurrentFiscalYearAllowanceForCreditLossWriteOffAfterRecovery100.0100.0

caty:FinancingReceivableYearFourOriginatedThreeYearsBeforeCurrentFiscalYearAllowanceForCreditLossWriteOffAfterRecovery us-gaap:FinancingReceivablePortfolioSegment

us-gaap:CommercialPortfolioSegment


Financing
Period End2021-06-302021-03-31
Value-22000.0362000.0
Percentage of FinancingReceivableYearFourOriginatedThreeYearsBeforeCurrentFiscalYearAllowanceForCreditLossWriteOffAfterRecovery100.0100.0

caty:FinancingReceivableYearThreeOriginatedTwoYearsBeforeCurrentFiscalYearAllowanceForCreditLossWriteOff us-gaap:FinancingReceivablePortfolioSegment

caty:FinancingReceivableYearThreeOriginatedTwoYearsBeforeCurrentFiscalYearAllowanceForCreditLossWriteOff

us-gaap:CommercialPortfolioSegment


Financing
Period End2021-06-302021-03-31
Value050000.0
Percentage of FinancingReceivableYearThreeOriginatedTwoYearsBeforeCurrentFiscalYearAllowanceForCreditLossWriteOff0.0100.0

caty:FinancingReceivableYearThreeOriginatedTwoYearsBeforeCurrentFiscalYearAllowanceForCreditLossWriteOffAfterRecovery

caty:FinancingReceivableYearThreeOriginatedTwoYearsBeforeCurrentFiscalYearAllowanceForCreditLossWriteOffAfterRecovery


Financing
Period End2021-06-302021-03-31
Value-60000.0-10000.0
Percentage of FinancingReceivableYearThreeOriginatedTwoYearsBeforeCurrentFiscalYearAllowanceForCreditLossWriteOffAfterRecovery100.0100.0

caty:FinancingReceivableYearThreeOriginatedTwoYearsBeforeCurrentFiscalYearAllowanceForCreditLossWriteOffAfterRecovery us-gaap:FinancingReceivablePortfolioSegment

us-gaap:CommercialPortfolioSegment


Financing
Period End2021-06-302021-03-31
Value050000.0
Percentage of FinancingReceivableYearThreeOriginatedTwoYearsBeforeCurrentFiscalYearAllowanceForCreditLossWriteOffAfterRecovery-0.0-500.0

caty:FinancingReceivableYearTwoOriginatedAllowanceForCreditLossWriteOff us-gaap:FinancingReceivablePortfolioSegment

caty:FinancingReceivableYearTwoOriginatedAllowanceForCreditLossWriteOff

us-gaap:CommercialPortfolioSegment


Financing
Period End2021-06-302021-03-31
Value50000.023000.0
Percentage of FinancingReceivableYearTwoOriginatedAllowanceForCreditLossWriteOff100.0100.0

caty:FinancingReceivableYearTwoOriginatedAllowanceForCreditLossWriteOffAfterRecovery

caty:FinancingReceivableYearTwoOriginatedAllowanceForCreditLossWriteOffAfterRecovery


Financing
Period End2021-06-302021-03-31
Value50000.023000.0
Percentage of FinancingReceivableYearTwoOriginatedAllowanceForCreditLossWriteOffAfterRecovery100.0100.0

caty:FinancingReceivableYearTwoOriginatedAllowanceForCreditLossWriteOffAfterRecovery us-gaap:FinancingReceivablePortfolioSegment

us-gaap:CommercialPortfolioSegment


Financing
Period End2021-06-302021-03-31
Value50000.023000.0
Percentage of FinancingReceivableYearTwoOriginatedAllowanceForCreditLossWriteOffAfterRecovery100.0100.0

caty:ForeclosedRealEstateExpenseIncome

caty:ForeclosedRealEstateExpenseIncome


Foreclosed
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-31
Value191000.094000.0138000.0423000.0452000.0-4104000.0276000.0190000.0369000.0280000.0-483000.0-21000.0-3000.0-212000.0-2396000.0369000.0317000.061000.0244000.0-176000.0493000.0295000.0253000.0250000.0-1786000.0483000.0
Percentage of ForeclosedRealEstateExpenseIncome100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

caty:InterestExpenseDeferredPaymentsFromAcquisition

caty:InterestExpenseDeferredPaymentsFromAcquisition


Interest
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value015000.042000.058000.066000.093000.0192000.0217000.0144000.0399000.0271000.0276000.0960000.0901000.0
Percentage of InterestExpenseDeferredPaymentsFromAcquisition0.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

caty:LetterOfCreditCommissions

caty:LetterOfCreditCommissions


Letter
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value1782000.01690000.01749000.01792000.01560000.01640000.01674000.01602000.01577000.01554000.01504000.01459000.01376000.01275000.01242000.01302000.01193000.01123000.01241000.01212000.01205000.01281000.01431000.01455000.01391000.01268000.01496000.01559000.01520000.01468000.01673000.01698000.01449000.01461000.01443000.01728000.01619000.01526000.01531000.01440000.01395000.01278000.01186000.01253000.01068000.0959000.0
Percentage of LetterOfCreditCommissions100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

caty:NetChangeInUnrealizedHoldingLossGainOnSecuritiesAvailableForSaleNetOfTax

caty:NetChangeInUnrealizedHoldingLossGainOnSecuritiesAvailableForSaleNetOfTax


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
Value0.248-4.887-1.582-2.496-1.289112.1871.318118.7998.844-2.528-2.751-11.514-3.1071.0462.772-0.226-10.041-0.0433.49710-7.0492.744-4.4656.5115.5-0.039137.639-8.546-6.11-38.5523-1.4825.6350.8494.195-3.241-9.8728.974-3.571-25.340.087178.049
Percentage of NetChangeInUnrealizedHoldingLossGainOnSecuritiesAvailableForSaleNetOfTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

caty:NetIncreaseInInvestmentInAffordableHousingInvestingAndAlternativeEnergyPartnerships

caty:NetIncreaseInInvestmentInAffordableHousingInvestingAndAlternativeEnergyPartnerships


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-30
Value4.6685.95182119181612121029178.52810194.18217-0.565-23.122-12.424-25.094-22.326-6.886-26.759-18.239-1.351-1.828-2.029
Percentage of NetIncreaseInInvestmentInAffordableHousingInvestingAndAlternativeEnergyPartnerships100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

caty:NoninteresIncomeNotInscope

caty:NoninteresIncomeNotInscope


Noninteres
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value2.6170.843.1721.6558.534-2.777-0.0422.8024.7025.813.6230.9040.752-1.5573.9786.4590.1530.058
Percentage of NoninteresIncomeNotInscope100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

caty:OperationsOfAffordableHousingInvestmentsNetAndAlternativeEnergyPartnershipsNet

caty:OperationsOfAffordableHousingInvestmentsNetAndAlternativeEnergyPartnershipsNet


Operations
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312016-03-312015-03-31
Value101115161213126.9979.1021018115.1135.7612.7942.383
Percentage of OperationsOfAffordableHousingInvestmentsNetAndAlternativeEnergyPartnershipsNet100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

caty:PeriodicNetSettlementOnInterestRateSwapsExpense us-gaap:DerivativeInstrumentRisk, us-gaap:DerivativeInstrumentsGainLossByHedgingRelationship, us-gaap:HedgingDesignation

caty:PeriodicNetSettlementOnInterestRateSwapsExpense

us-gaap:InterestRateSwap, us-gaap:CashFlowHedging, us-gaap:DesignatedAsHedgingInstrument


Periodic
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value731000.0711000.0722000.0702000.0514000.0255000.0159000.078000.08000.0-45000.0
Percentage of PeriodicNetSettlementOnInterestRateSwapsExpense100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

caty:PeriodicNetSettlementsOnInterestRateSwapsIncome

caty:PeriodicNetSettlementsOnInterestRateSwapsIncome


Periodic
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value-2387000.0-2387000.0-2412000.0-2510000.0-2154000.0-643000.0-356000.0205000.0534000.0613000.0
Percentage of PeriodicNetSettlementsOnInterestRateSwapsIncome100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

caty:ProceedsFromSaleOfLoansOperatingActivities

caty:ProceedsFromSaleOfLoansOperatingActivities


Proceeds
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value0.06.3454.6923.5562.6110.23936380.00.0
Percentage of ProceedsFromSaleOfLoansOperatingActivities0.0100.0100.0100.0100.0100.0100.0100.00.00.0

caty:ProvisionReversalForLossesOnOtherRealEstateOwned

caty:ProvisionReversalForLossesOnOtherRealEstateOwned


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
Value0.00.00.3810.3360.1870.00.4220.0720.00.0-0.0330.033-0.1980.4060.2110.2720.0-0.2070.2550.1280.00.1790.1870.181-0.0740.0770.9990.617
Percentage of ProvisionReversalForLossesOnOtherRealEstateOwned0.00.0100.0100.0100.00.0100.0100.00.00.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.0

caty:TroubledDebtRestructuringsNewRestructurings us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable

caty:TroubledDebtRestructuringsNewRestructurings

caty:AccruingTroubledDebtRestructuring


Troubled
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302015-12-312015-09-302015-06-302014-12-312014-09-302014-06-30
Value0.00.6860.02.9831.90.5340.00.24131.9481.0782.5895.1271723210.5276.553182.0650.8990.4275.7980.743140.722
Percentage of TroubledDebtRestructuringsNewRestructurings0.0100.00.0100.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

caty:TroubledDebtRestructuringsPaymentsReceivedInPeriod us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable

caty:TroubledDebtRestructuringsPaymentsReceivedInPeriod

caty:AccruingTroubledDebtRestructuring


Troubled
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302014-12-312014-09-302014-06-30
Value0.6030.5430.8666.334.5931.5066.676229.9984.07110132.8553.89112351.14.595146.51.5051.8119.144116.181.3593.6071.278
Percentage of TroubledDebtRestructuringsPaymentsReceivedInPeriod100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

caty:NonaccruingTroubledDebtRestructuring


Troubled
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-30
Value0.2590.3240.9342.4880.2490.1591.4167.6264.4890.4811.3434.8361.2571.6616.1811.9332.2370.996.2211.8141.1056.4111.8841.8591.457
Percentage of TroubledDebtRestructuringsPaymentsReceivedInPeriod43.059.7107.939.35.410.621.234.444.911.812.737.044.042.748.65.4203.421.543.327.973.4354.020.616.523.6

caty:TroubledDebtRestructuringsRestructuredLoansRestoredToAccrualStatus us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable

caty:TroubledDebtRestructuringsRestructuredLoansRestoredToAccrualStatus

caty:AccruingTroubledDebtRestructuring


Troubled
Period End2020-12-312020-09-302019-12-312019-09-302019-06-302018-12-312018-09-302018-06-302018-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302014-12-312014-09-30
Value0.00.2630.3650.00.00.0010.5770.02.3180.00.00.0100.00.723-0.660.66
Percentage of TroubledDebtRestructuringsRestructuredLoansRestoredToAccrualStatus0.0100.0100.00.00.0100.0100.00.0100.00.00.00.0100.00.0100.0100.0100.0

caty:NonaccruingTroubledDebtRestructuring


Troubled
Period End2020-12-312020-09-302019-12-312019-09-302019-06-302018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302015-12-312015-09-30
Value0.0-0.263-0.3650.00.0-0.001-0.5770.0-2.318-9.3963.5740.05.8229.1650.01.138-9.465-0.001
Percentage of TroubledDebtRestructuringsRestructuredLoansRestoredToAccrualStatus0.0-100.0-100.00.00.0-100.0-100.00.0-100.00.00.00.00.00.00.00.00.0-0.1

us-gaap:AccretionAmortizationOfDiscountsAndPremiumsInvestments

us-gaap:AccretionAmortizationOfDiscountsAndPremiumsInvestments


Accretion
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value-2040000.0-2282000.0-2406000.0-2258000.0-2277000.0-1676000.0-1458000.0-1211000.0-726000.0-439000.0-647000.0-652000.0-837000.0-882000.0-1955000.0303000.0-566000.0-727000.0-1178000.0-1789000.0-1877000.0-1527000.0-1598000.0-1772000.0-1268000.0-502000.0-583000.0-543000.0-856000.0-867000.0-986000.0-1106000.0-1219000.0-1114000.0-1506000.0-1257000.0-3857000.01314000.0-1330000.0-951000.0-716000.0-1236000.0-2594000.0-1698000.0-1198000.0-1177000.0
Percentage of AccretionAmortizationOfDiscountsAndPremiumsInvestments100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:AdjustmentsRelatedToTaxWithholdingForShareBasedCompensation

us-gaap:AdjustmentsRelatedToTaxWithholdingForShareBasedCompensation


Adjustments
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value1315000.01279000.08000.04000.01376000.0523000.011000.00707000.01593000.0575000.00327000.01538000.0
Percentage of AdjustmentsRelatedToTaxWithholdingForShareBasedCompensation100.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.00.0100.0100.0

us-gaap:AdjustmentsRelatedToTaxWithholdingForShareBasedCompensation us-gaap:StatementEquityComponents

us-gaap:AdditionalPaidInCapital


Adjustments
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value1315000.01279000.08000.04000.01376000.0523000.011000.00707000.01593000.0575000.00327000.01538000.0
Percentage of AdjustmentsRelatedToTaxWithholdingForShareBasedCompensation100.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.00.0100.0100.0

us-gaap:AssetImpairmentCharges

us-gaap:AssetImpairmentCharges


Asset
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-30
Value0.0626.9530.4520.3690.1330.2030.4380.074-0.6150.0620.0580.206-0.170.4170.8750.4940.879-0.0191.1550.238-2.4850.8352.7210.6093.4380.5480.3160.2943.130.749-1.0970.767-2.1365.1485.416
Percentage of AssetImpairmentCharges100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:AssetImpairmentCharges us-gaap:FairValueByAssetClass

caty:ImpairedLoans


Asset
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-312017-09-302017-06-302017-03-312016-06-302015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302013-12-312013-09-302013-06-302012-12-312012-09-302012-06-30
Value0.0626.950.00.00.00.00.00.00.00.00.00.0-1.4980.4970.270.945-2.630.5752.5740.2043.3940.5470.0174.8830.5540.096-2.6592.2340.42
Percentage of AssetImpairmentCharges100.0100.00.00.00.00.00.00.0-0.00.00.0-0.0-359.256.854.781.8105.868.994.633.598.799.85.4156.074.0-8.8124.543.47.8

caty:InvestmentsInVentureCapital


Asset
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-30
Value0.00.0030.0710.0330.0660.0830.0160.0020.0040.0620.0910.1730.110.1450.0810.1030.2240.1190.0490.1570.1110.1140.0840.1190.0920.0830.0390.05
Percentage of AssetImpairmentCharges0.00.015.78.949.640.93.72.7-0.7100.0156.984.046.2-5.89.73.836.83.58.949.737.83.611.2-10.812.0-3.90.80.9

caty:OtherRealEstateOwned


Asset
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-30
Value0.00.00.3810.3360.1870.00.4220.072-0.6190.0-0.0330.033-0.1970.4050.2120.0370.0-0.2060.0880.1280.00.1790.0440.181-0.075-0.0480.1420.183-1.8670.111-1.312-0.0660.3022.8754.903
Percentage of AssetImpairmentCharges0.00.084.391.1140.60.096.397.3100.70.0-56.916.0115.997.124.27.50.01084.27.653.8-0.021.41.629.7-2.2-8.844.962.2-59.614.8119.6-8.6-14.155.890.5

us-gaap:AssetImpairmentCharges us-gaap:FairValueByAssetClass, us-gaap:FairValueByMeasurementFrequency

caty:InvestmentsInVentureCapitalAndPrivateCompanyStock, us-gaap:FairValueMeasurementsNonrecurring


Asset
Period End2021-06-302021-03-312020-06-302020-03-31
Value0.0640.0710.0710.033
Percentage of AssetImpairmentCharges0.00.015.78.9

caty:OtherRealEstateOwned, us-gaap:FairValueMeasurementsNonrecurring


Asset
Period End2021-06-302020-06-302020-03-31
Value0.0470.3810.336
Percentage of AssetImpairmentCharges0.084.391.1

us-gaap:AssetImpairmentCharges us-gaap:FairValueByAssetClass, us-gaap:FinancingReceivablePortfolioSegment

caty:ImpairedLoans, us-gaap:CommercialPortfolioSegment


Asset
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-312017-09-302017-06-302017-03-312015-12-312015-09-302015-06-302014-12-312014-09-302014-06-30
Value0.0626.950.00.00.00.00.00.00.00.00.00.0-1.2480.4970.02-2.5740.5752.5740.00.00.017
Percentage of AssetImpairmentCharges100.0100.00.00.00.00.00.00.0-0.00.00.0-0.0-299.356.84.0103.668.994.60.00.05.4

us-gaap:AssetImpairmentCharges us-gaap:FairValueByMeasurementFrequency

us-gaap:FairValueMeasurementsNonrecurring


Asset
Period End2021-06-302021-03-312020-06-302020-03-31
Value0.1110.0710.4520.369
Percentage of AssetImpairmentCharges0.00.0100.0100.0

us-gaap:ChangeInUnrealizedGainLossOnFairValueHedgingInstruments1

us-gaap:ChangeInUnrealizedGainLossOnFairValueHedgingInstruments1


Change
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-30
Value439000.01263000.0503000.0532000.0-235000.0-4278000.0948000.0-793000.0-2102000.0-1224000.0-3070000.01666000.0736000.02193000.0813000.0157000.0-550000.0299000.04423000.0-8000000.07522000.0-3120000.01220000.0-2558000.02328000.0-1588000.0-2234000.0100000.0
Percentage of ChangeInUnrealizedGainLossOnFairValueHedgingInstruments1100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ChangeInUnrealizedGainLossOnFairValueHedgingInstruments1 us-gaap:DerivativeInstrumentRisk, us-gaap:DerivativeInstrumentsGainLossByHedgingRelationship, us-gaap:HedgingDesignation

us-gaap:InterestRateSwap, us-gaap:FairValueHedging, us-gaap:DesignatedAsHedgingInstrument


Change
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-31
Value1553000.0-10735000.01955000.01630000.0-491000.0-18176000.0
Percentage of ChangeInUnrealizedGainLossOnFairValueHedgingInstruments1353.8-850.0388.7306.4208.9424.9

us-gaap:DebtSecuritiesGainLoss

us-gaap:DebtSecuritiesGainLoss


Debt
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-312017-09-30
Value0853000.0542000.001147000.06000.0319000.0-121000.013000.0036000.0-14000.001445000.024000.0
Percentage of DebtSecuritiesGainLoss0.0100.0100.00.0100.0100.0100.0100.0100.00.0100.0100.00.0100.0100.0

us-gaap:DividendsCommonStockCash

us-gaap:DividendsCommonStockCash


Dividends
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value2424242424242424242424191919
Percentage of DividendsCommonStockCash100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DividendsCommonStockCash us-gaap:StatementEquityComponents

us-gaap:RetainedEarnings


Dividends
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value2424242424242424242424191919
Percentage of DividendsCommonStockCash100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:EffectiveIncomeTaxRateReconciliationShareBasedCompensationExcessTaxBenefitAmount

us-gaap:EffectiveIncomeTaxRateReconciliationShareBasedCompensationExcessTaxBenefitAmount


Effective
Period End2021-06-302021-03-31
Value-20000.037000.0
Percentage of EffectiveIncomeTaxRateReconciliationShareBasedCompensationExcessTaxBenefitAmount100.0100.0

us-gaap:EmployeeBenefitsAndShareBasedCompensationNoncash

us-gaap:EmployeeBenefitsAndShareBasedCompensationNoncash


Employee
Period End2021-06-302021-03-312020-06-302020-03-31
Value2059000.01243000.01801000.01543000.0
Percentage of EmployeeBenefitsAndShareBasedCompensationNoncash100.0100.0100.0100.0

us-gaap:EquipmentExpense

us-gaap:EquipmentExpense


Equipment
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value3.6473.2712.9153.0442.5812.5932.662.7412.8332.8792.9252.7722.6113.0942.9512.6432.5282.7242.4172.3372.4432.581.0453.8932.2922.5022.4862.4712.5342.3022.282.4462.3662.6762.3972.342.3912.4632.0712.1392.1152.1832.0982.0112.1082.013
Percentage of EquipmentExpense100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:EquitySecuritiesFvNiGainLoss

us-gaap:EquitySecuritiesFvNiGainLoss


Equity
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value-879000.0-2752000.0780000.0-1605000.05779000.0-6102000.0-2028000.0364000.03237000.04163000.01793000.0391000.0-1124000.0-3847000.0
Percentage of EquitySecuritiesFvNiGainLoss100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:EquitySecuritiesFvNiUnrealizedGainLoss

us-gaap:EquitySecuritiesFvNiUnrealizedGainLoss


Equity
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value-900000.0-2752000.0780000.0-1600000.05800000.0-6102000.0-2028000.0400000.03200000.04163000.01793000.0391000.0-1124000.0-3847000.0
Percentage of EquitySecuritiesFvNiUnrealizedGainLoss100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:FederalDepositInsuranceCorporationPremiumExpense

us-gaap:FederalDepositInsuranceCorporationPremiumExpense


Federal
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value1.441.9252.1451.9932.4462.4152.4272.5822.1322.4761.2682.5552.1422.0353.3722.5522.1892.522.0722.2882.7632.5892.182.4032.2442.262.1042.2612.2772.1541.921.7121.9811.7381.7852.0941.9712.4892.632.6422.9054.3174.0224.5995.7845.144
Percentage of FederalDepositInsuranceCorporationPremiumExpense100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:FinancingReceivableAllowanceForCreditLossesRecovery

us-gaap:FinancingReceivableAllowanceForCreditLossesRecovery


Financing
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-30
Value0.4581.381.0213.9061.5131.373.0138.6131.8091.3951.1213.180.6931.8243.2476.1110.7920.8372.0622.8971.1798.4181.7861.2962.1564.1333.7256.3776.214
Percentage of FinancingReceivableAllowanceForCreditLossesRecovery100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:FinancingReceivableAllowanceForCreditLossesRecovery us-gaap:FinancingReceivablePortfolioSegment

caty:EquityLinesPortfolioSegment


Financing
Period End2021-06-302021-03-31
Value0.0060.009
Percentage of FinancingReceivableAllowanceForCreditLossesRecovery1.30.7

caty:ResidentialMortgageAndEquityLinesPortfolioSegment


Financing
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-30
Value0.2080.0160.0140.0150.0680.0070.350.0620.1620.1580.1710.0050.0590.084-0.0030.0070.0070.0080.0060.0060.0120.010.0010.0010.0190.2860.0
Percentage of FinancingReceivableAllowanceForCreditLossesRecovery45.41.21.40.44.50.511.60.79.011.315.30.28.54.6-0.10.10.91.00.20.50.10.60.10.00.57.70.0

us-gaap:CommercialPortfolioSegment


Financing
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-30
Value0.1551.2690.9133.7961.351.2082.5460.2121.3560.0410.6250.1870.150.9132.0010.5750.3350.4910.4242.0060.7270.9871.5340.6070.2312.2751.6654.1484.682
Percentage of FinancingReceivableAllowanceForCreditLossesRecovery33.892.089.497.289.288.284.52.575.02.955.85.921.650.161.69.442.358.720.669.261.711.785.946.810.755.044.765.075.3

us-gaap:CommercialRealEstatePortfolioSegment


Financing
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-30
Value0.0950.0950.0940.0950.0950.1550.1174.9610.2610.1520.282.9440.440.7831.1565.4820.4030.2891.6160.3370.3990.1430.2030.6471.8721.794-0.7292.1971.532
Percentage of FinancingReceivableAllowanceForCreditLossesRecovery20.76.99.22.46.311.33.957.614.410.925.092.663.542.935.689.750.934.578.411.633.81.711.449.986.843.4-19.634.524.7

us-gaap:ResidentialPortfolioSegment


Financing
Period End2021-06-302021-03-31
Value0.2010.007
Percentage of FinancingReceivableAllowanceForCreditLossesRecovery43.90.5

us-gaap:FinancingReceivableAllowanceForCreditLossesWriteOffs

us-gaap:FinancingReceivableAllowanceForCreditLossesWriteOffs


Financing
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302011-12-312011-09-302011-06-302010-12-312010-09-302010-06-30
Value7.7129.1388.6136.9565.1061.3210.6973.3561.7131.2312.1870.1220.8780.0191.5030.3850.5271.7591.0387.9037.6332.3299.8993.4072.6584.4649.5031.1552.575-148.36230-26.921-251.96621-27.847
Percentage of FinancingReceivableAllowanceForCreditLossesWriteOffs100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:FinancingReceivableAllowanceForCreditLossesWriteOffs us-gaap:FinancingReceivablePortfolioSegment

us-gaap:CommercialPortfolioSegment


Financing
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-30
Value7.7129.1388.6136.9565.1061.3210.6973.3561.7131.2310.00.1220.4880.0191.5030.080.5271.2040.923.2776.6882.079.6723.312.580.8640.2830.2520.114
Percentage of FinancingReceivableAllowanceForCreditLossesWriteOffs100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.055.6100.0100.020.8100.068.488.641.587.688.997.797.297.119.43.021.84.4

us-gaap:FinancingReceivableModificationsPostModificationRecordedInvestment2

us-gaap:FinancingReceivableModificationsPostModificationRecordedInvestment2


Financing
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302015-12-312015-09-302014-12-312014-09-30
Value0.00.6860.02.9831.90.534116.165151.6221.0795.3735.1271725230.5279.698185.2110.92.2240.25414
Percentage of FinancingReceivableModificationsPostModificationRecordedInvestment20.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:FinancingReceivableModificationsPostModificationRecordedInvestment2 us-gaap:FinancingReceivablePortfolioSegment

us-gaap:CommercialPortfolioSegment


Financing
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302016-12-312016-09-302016-06-302015-12-312015-09-302014-12-312014-09-30
Value0.00.6860.02.9831.90.534116.165151.6221.0784.6215.1272.46310180.56.283184.8440.0250.306-0.2342.283
Percentage of FinancingReceivableModificationsPostModificationRecordedInvestment20.0100.00.0100.0100.0100.099.6100.0100.0100.099.986.0100.014.040.081.4100.064.896.193.02.813.8-92.115.3

us-gaap:FinancingReceivableModificationsPreModificationRecordedInvestment2

us-gaap:FinancingReceivableModificationsPreModificationRecordedInvestment2


Financing
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302015-12-312015-09-302014-12-312014-09-30
Value0.00.6860.02.9831.90.5340.0427.585161.9481.0795.3735.1271725230.52710185.2110.8992.2240.25414
Percentage of FinancingReceivableModificationsPreModificationRecordedInvestment20.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:FinancingReceivableModificationsPreModificationRecordedInvestment2 us-gaap:FinancingReceivablePortfolioSegment

us-gaap:CommercialPortfolioSegment


Financing
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302016-12-312016-09-302016-06-302015-12-312015-09-302014-12-312014-09-30
Value0.00.6860.02.9831.90.5340.07.585161.9481.0784.6215.1272.46310180.57.113184.8440.0250.306-0.2342.283
Percentage of FinancingReceivableModificationsPreModificationRecordedInvestment20.0100.00.0100.0100.0100.00.0100.0100.0100.099.986.0100.014.040.080.4100.067.696.193.02.813.8-92.115.3

us-gaap:FinancingReceivablesImpairedTroubledDebtRestructuringWriteDown us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable

us-gaap:FinancingReceivablesImpairedTroubledDebtRestructuringWriteDown

caty:NonaccruingTroubledDebtRestructuring


Financing
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302015-12-312015-09-302015-06-30
Value0.00.04.97-0.00.02.3890.8110.4072.186-0.00.161-0.2510.3550.4971.0490.9193.4070.9450.00.0030.489
Percentage of FinancingReceivablesImpairedTroubledDebtRestructuringWriteDown0.00.0100.00.00.0100.0100.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0

us-gaap:GainLossOnSaleOfPropertyPlantEquipment

us-gaap:GainLossOnSaleOfPropertyPlantEquipment


Gain
Period End2021-06-302021-03-312020-12-312020-09-30
Value-33000.0-22000.000
Percentage of GainLossOnSaleOfPropertyPlantEquipment100.0100.00.00.0

us-gaap:GainLossOnSalesOfLoansNet

us-gaap:GainLossOnSalesOfLoansNet


Gain
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-30
Value68000.0289000.0194000.0134000.082000.03000.04000.0800000.000-567000.0108000.0201000.0258000.0-394000.077000.098000.0219000.0084000.099000.0102000.0-59000.082000.0167000.0596000.095000.084000.088000.0128000.01743000.0-30000.0-267000.0-567000.015000.05000.0891000.0-278000.0-2763000.01592000.0
Percentage of GainLossOnSalesOfLoansNet100.0100.0100.0100.0100.0100.0100.0100.00.00.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:GainsLossesOnSalesOfOtherRealEstate

us-gaap:GainsLossesOnSalesOfOtherRealEstate


Gains
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value0-338000.016000.04538000.019000.00212000.0-19000.0620000.0108000.0201000.0258000.02267000.077000.098000.0219000.070000.0248000.06000.03000.02157000.0-154000.0598000.01094000.01814000.0559000.0950000.0289000.0598000.0-44000.0-331000.01432000.0-1444000.0712000.0401000.0320000.0917000.03605000.02928000.03030000.02651000.01368000.0
Percentage of GainsLossesOnSalesOfOtherRealEstate0.0100.0100.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ImpairedFinancingReceivableAverageRecordedInvestment

us-gaap:ImpairedFinancingReceivableAverageRecordedInvestment


Impaired
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-09-302016-06-302016-03-312015-09-302015-06-302015-03-312014-09-302014-06-302014-03-312013-09-302013-06-302013-03-312012-09-302012-06-302012-03-312011-09-302011-06-302011-03-312010-09-302010-06-30
Value7481929280971181151231331251271370.118213133132137160169175190192195216219244263274314332395397370378
Percentage of ImpairedFinancingReceivableAverageRecordedInvestment100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ImpairedFinancingReceivableAverageRecordedInvestment us-gaap:FinancingReceivablePortfolioSegment

caty:RealEstateConstructionPortfolioSegment


Impaired
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-09-302016-06-302016-03-312015-09-302015-06-302015-03-312014-09-302014-06-30
Value4.1494.2294.3684.4584.5064.6624.7264.8155.988.3788.13729420.016935.8699.923202220223333
Percentage of ImpairedFinancingReceivableAverageRecordedInvestment5.65.24.74.85.64.84.04.24.86.36.523.431.114.34.47.514.814.012.313.117.417.2

caty:ResidentialMortgageAndEquityLinesPortfolioSegment


Impaired
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-09-302016-06-302016-03-312015-09-302015-06-302015-03-312014-09-302014-06-30
Value8.6538.42716171113121313141313150.0165431817161617171618
Percentage of ImpairedFinancingReceivableAverageRecordedInvestment11.710.418.019.214.213.510.911.511.111.010.911.011.014.013.712.912.410.310.19.88.59.6

us-gaap:CommercialPortfolioSegment


Impaired
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-09-302016-06-302016-03-312015-09-302015-06-302015-03-312014-09-302014-06-30
Value242830332838463748464524190.0233352814122325252127
Percentage of ImpairedFinancingReceivableAverageRecordedInvestment33.034.933.036.635.339.839.433.039.434.936.019.614.119.721.111.29.214.915.114.411.414.5

us-gaap:CommercialRealEstatePortfolioSegment


Impaired
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-09-302016-06-302016-03-312015-09-302015-06-302015-03-312014-09-302014-06-30
Value364040363640545955645858606181908797105110119112
Percentage of ImpairedFinancingReceivableAverageRecordedInvestment49.749.544.239.344.941.945.851.344.747.846.646.043.851944.460.868.463.660.862.562.762.758.8

us-gaap:ImpairedFinancingReceivableInterestIncomeAccrualMethod

us-gaap:ImpairedFinancingReceivableInterestIncomeAccrualMethod


Impaired
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-30
Value0.2120.1740.7470.5880.5730.6980.1240.6181.1160.947-0.0221.1451.2241.0780.9531.2640.9940.0010.2531.161.021.2070.7761.1521.1791.3350.8321.5521.3481.521.4891.0691.7631.8953.0032.2462.031.561-0.0481.6561.4491.6936.9811.2340.795
Percentage of ImpairedFinancingReceivableInterestIncomeAccrualMethod100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ImpairedFinancingReceivableInterestIncomeAccrualMethod us-gaap:FinancingReceivablePortfolioSegment

caty:RealEstateConstructionPortfolioSegment


Impaired
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-312017-09-302017-06-302017-03-312016-09-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-30
Value0.0730.0970.0490.0980.0490.0980.00.00.00.00.00.00.0-0.2870.0990.3560.340.0660.0650.0650.0660.0650.0650.0660.0660.066
Percentage of ImpairedFinancingReceivableInterestIncomeAccrualMethod34.455.76.616.78.614.00.00.00.00.0-0.00.00.0-30.17.835.834000.05.75.48.45.75.54.97.94.34.9

caty:ResidentialMortgageAndEquityLinesPortfolioSegment


Impaired
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-30
Value0.0080.0080.0520.0740.0780.0710.0690.0780.0810.0880.0770.1080.0930.10.0940.0960.1070.0001320.080.1480.140.1320.1020.1390.120.1240.0990.1280.093
Percentage of ImpairedFinancingReceivableInterestIncomeAccrualMethod3.84.67.012.613.610.255.612.67.39.3-350.09.47.69.39.97.610.813.231.612.813.710.913.112.110.29.311.98.26.9

us-gaap:CommercialPortfolioSegment


Impaired
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-30
Value0.0310.0120.0040.1480.0710.07-0.2930.2080.5870.256-0.4670.4610.4980.3340.5430.6780.0860.0830.2790.170.1670.120.0270.170.2010.2290.2420.2050.194
Percentage of ImpairedFinancingReceivableInterestIncomeAccrualMethod14.66.90.525.212.410.0-236.333.752.627.02122.740.340.731.057.053.68.78300.0110.314.716.49.93.514.817.017.229.113.214.4

us-gaap:CommercialRealEstatePortfolioSegment


Impaired
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-30
Value0.10.0570.6360.2680.3750.4590.3320.3320.4480.6030.3680.5760.6330.6440.6030.3910.4450.0004450.090.7760.7130.890.5820.7770.7930.9170.4251.1530.995
Percentage of ImpairedFinancingReceivableInterestIncomeAccrualMethod47.232.885.145.665.465.8267.753.740.163.7-1672.750.351.759.763.330.944.844.535.666.969.973.775.067.467.368.751.174.373.8

us-gaap:IncreaseDecreaseInDeferredIncomeTaxes

us-gaap:IncreaseDecreaseInDeferredIncomeTaxes


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-5.55-6.135-0.8195.4094.7470.1490.086-1.319-4.259-4.333-0.0010.091.165-3.597-24.2351.9082.056-14.2836.534-15.3856.217-13.31512-5.53-1.957-6.84-17.458-3.363-4.471-6.0122.789-4.19822-6.2271.117-5.802-2.4552.356-9.4284.684-3.639-5.42523-5.693.27217
Percentage of IncreaseDecreaseInDeferredIncomeTaxes100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

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
Value18324475-247.39711913973429527638312147692322128284-123.895-87.333736467147-184.803270479225329881143482516220728442164221150887288-42.787622875141-21.856
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: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
Value16-11.8638.2472.40814-4.126-37.803-14.65261-14.7876.121-0.1815-7.87-77.52352-6.225.617-11.377-6.791-2.6387.328-27.51521-6.6314.467-8.3359.929-3.2851.3510-31.768-4.081-8.61815-81.84387.961-13.96-0.4346.967-19.035-8.1758.422-15.806
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-4.509-9.9247.649-25.2671.331-2.661-43.1251359-9.2092.85112.866-2.995-3.469-1.00414-12.9261.7532.675-0.005-7.207-6.074-8.009-2.8021.379-2.879-1.848-7.9031.374-9.168-0.833.4131.612-0.891-0.029-3.6522.316-0.468-4.1328.0480.298-0.991-9.056-1.209-2.112
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:InformationTechnologyAndDataProcessing

us-gaap:InformationTechnologyAndDataProcessing


Information
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-31
Value3.2433.6553.8933.7723.5663.6663.4733.2463.0813.412.9883.083.1513.2193.3442.9182.3962.5322.4012.2792.0272.251.8761.8951.9451.982
Percentage of InformationTechnologyAndDataProcessing100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

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
Value165163167172174186191197192187183176167159155154135130130124121122119116112104106106105101101102100102105106107110111114114113118120124126
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:InterestExpenseFederalHomeLoanBankAndFederalReserveBankAdvancesLongTerm

us-gaap:InterestExpenseFederalHomeLoanBankAndFederalReserveBankAdvancesLongTerm


Interest
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-31
Value0.4150.4751.181.2511.3161.5521.4651.6611.7252.590.4531.430.8850.9711.2470.8720.3050.2880.2170.1340.2020.1060.1130.1640.1170.0930.0960.1530.4970.1990.1530.150.1450.080.0740.0740.0690.053
Percentage of InterestExpenseFederalHomeLoanBankAndFederalReserveBankAdvancesLongTerm100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:InterestExpenseOtherDomesticDeposits

us-gaap:InterestExpenseOtherDomesticDeposits


Interest
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-30
Value5.4655.5945.7255.7615.9197.9917.726.6265.5885.3775.6115.4744.832
Percentage of InterestExpenseOtherDomesticDeposits100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:InterestExpenseOtherLongTermDebt

us-gaap:InterestExpenseOtherLongTermDebt


Interest
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-30
Value1439000.01424000.01455000.01456000.01440000.01440000.01760000.01948000.02007000.02132000.02258000.02220000.02163000.0
Percentage of InterestExpenseOtherLongTermDebt100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:InterestExpenseShortTermBorrowingsExcludingFederalFundsAndSecuritiesSoldUnderAgreementsToRepurchase

us-gaap:InterestExpenseShortTermBorrowingsExcludingFederalFundsAndSecuritiesSoldUnderAgreementsToRepurchase


Interest
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value005000.0229000.0205000.0125000.067000.06000.0
Percentage of InterestExpenseShortTermBorrowingsExcludingFederalFundsAndSecuritiesSoldUnderAgreementsToRepurchase0.00.0100.0100.0100.0100.0100.0100.0

us-gaap:InterestExpenseTimeDeposits

us-gaap:InterestExpenseTimeDeposits


Interest
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-30
Value1014192630353840393429221815131110101110101011109.1226.7738.9569.1178.637
Percentage of InterestExpenseTimeDeposits100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:InterestIncomeDepositsWithFinancialInstitutions

us-gaap:InterestIncomeDepositsWithFinancialInstitutions


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
Value438000.0315000.0292000.0347000.0240000.0951000.01115000.01016000.01383000.01890000.01542000.0838000.01273000.01556000.01281000.01288000.0776000.01076000.0669000.0412000.0433000.0249000.0293000.0258000.0368000.0479000.0497000.0571000.0479000.0449000.0354000.0307000.0281000.0208000.0446000.0471000.0537000.0588000.0529000.0360000.0320000.0221000.0228000.0406000.0308000.0317000.0
Percentage of InterestIncomeDepositsWithFinancialInstitutions100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

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
Value15715514412510911514614914314314514614013813313311711410910310611210298969289918982818579808180848477716869655529-9.279
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: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
Value3.1893.0673.4694.1155.4057.618.5838.6878.4777.297.3917.5467.2086.4585.7145.6924.7194.4064.4524.855.2656.8596.2616.1425.3463.7744.8485.1056.7087.5768.426101211121517171720232122242830
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:MarketableSecuritiesGainLoss

us-gaap:MarketableSecuritiesGainLoss


Marketable
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value0.00.8530.5420.01.1470.0060.319-0.1210.013-0.00.036-0.0141.4440.00.0-0.4381.7571.6920.02-0.0160.543-0.021-0.0791.1810.5065.960.2058.688126.2926.804-2.2150.8888.8335.1786.2329.650.9085.2563.439
Percentage of MarketableSecuritiesGainLoss0.0100.0100.00.0100.0100.0100.0100.0100.00.0100.0100.0100.00.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:MarketingExpense

us-gaap:MarketingExpense


Marketing
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value1443000.02882000.01334000.01089000.0915000.01886000.02029000.02436000.0979000.02141000.02316000.01263000.03400000.0858000.01367000.02103000.01859000.0871000.01778000.01516000.01002000.0796000.01349000.01436000.01321000.0820000.01404000.0639000.01519000.0564000.0700000.01097000.01169000.0437000.01199000.0519000.01483000.01406000.0755000.0908000.0817000.0695000.0691000.0749000.0821000.0899000.0
Percentage of MarketingExpense100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap: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
Value69717575676571656970746563606661565153506851535747444142424840505349494747474348454756344044
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
Value1210.0119.977155.7868.648101212107.8357.7675.3110126.1526.7187.9618.8119.0577.5419.359.1565.6198.5497.9738.9749.021148.34516201412159.8528.8318.986161212163.8867.4124.784
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:NoninterestIncomeOtherOperatingIncome

us-gaap:NoninterestIncomeOtherOperatingIncome


Noninterest
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value108.8467.1098.5276.0038.9447.5377.4246.7245.9496.2834.786.2746.0976.2264.7883.6124.5533.5944.5064.8125.1436.5546.3086.2676.0015.2675.7245.6895.7685.0964.9635.255.6544.6353.94.4763.7015.2485.2134.4813.7554.050.872-0.081-0.971
Percentage of NoninterestIncomeOtherOperatingIncome100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

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
Value4.965.0465.1995.2954.9635.1775.3875.5795.4895.5494.8825.1865.175.4525.6965.3124.7224.6994.7284.7344.4844.3694.5994.4123.9864.0214.0433.9343.8963.8623.883.8123.513.6443.6823.8533.4893.5843.5163.7143.4573.5381.7562.8013.7933.838
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:OciBeforeReclassificationsBeforeTaxAttributableToParent us-gaap:StatementEquityComponents

us-gaap:OciBeforeReclassificationsBeforeTaxAttributableToParent

us-gaap:AccumulatedGainLossNetCashFlowHedgeParent


Oci
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-31
Value0.6231.7930.7140.755-0.334-6.0731.346-1.126-2.984-1.7382.3651.0453.1130.271-0.9490.516
Percentage of OciBeforeReclassificationsBeforeTaxAttributableToParent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:AccumulatedNetUnrealizedInvestmentGainLoss


Oci
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-31
Value0.352-6.085-1.704-3.543-0.683163.4241.75151212-3.603-3.905-16.346-3.9161.8294.786-0.856-15.5671.6187.68817
Percentage of OciBeforeReclassificationsBeforeTaxAttributableToParent56.5-339.4-238.7-469.3204.5-277.2254.4-155.4-531.7-718.70.0-152.3-373.7-525.10.0674.9-504.3-165.90.00.00.00.0

us-gaap:AccumulatedOtherComprehensiveIncome


Oci
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-31
Value0.975-4.292-0.99-2.788-1.017104.770.62412108.233-1.238-2.86-13.233-2.5132.13.837-0.34-7.9363.0055.47612
Percentage of OciBeforeReclassificationsBeforeTaxAttributableToParent156.5-239.4-138.7-369.3304.5-177.2354.4-55.4-431.7-618.70.0-52.3-273.7-425.10.0774.9-404.3-65.90.00.00.00.0

us-gaap:OciBeforeReclassificationsNetOfTaxAttributableToParent us-gaap:StatementEquityComponents

us-gaap:OciBeforeReclassificationsNetOfTaxAttributableToParent

us-gaap:AccumulatedGainLossNetCashFlowHedgeParent


Oci
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-31
Value0.4391.2630.5030.532-0.235-4.2780.948-0.793-2.102-1.2241.6660.7362.1930.157-0.550.299
Percentage of OciBeforeReclassificationsNetOfTaxAttributableToParent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:AccumulatedNetUnrealizedInvestmentGainLoss


Oci
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-31
Value0.247-4.286-1.2-2.496-0.481112.4121.233118.7998.869-2.538-2.751-11.514-2.271.062.774-0.496-9.0230.9384.45610
Percentage of OciBeforeReclassificationsNetOfTaxAttributableToParent56.3-339.4-238.6-469.2204.7-277.2254.4-155.5-531.6-718.90.0-152.3-373.8-525.00.0675.2-504.4-165.90.00.00.00.0

us-gaap:AccumulatedOtherComprehensiveIncome


Oci
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-31
Value0.686-3.023-0.697-1.964-0.7167.5793.360.449.0737.5755.799-0.872-2.015-9.321-1.4571.2172.224-0.197-4.61.7423.1747.234
Percentage of OciBeforeReclassificationsNetOfTaxAttributableToParent156.3-239.4-138.6-369.2304.7-177.2354.4-55.5-431.6-618.90.0-52.3-273.8-425.00.0775.2-404.4-65.90.00.00.00.0

us-gaap:OperatingLeaseExpense

us-gaap:OperatingLeaseExpense


Operating
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value2.62.92.93.12.92.93.23.33.43.4
Percentage of OperatingLeaseExpense100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OperatingLeaseImpairmentLoss

us-gaap:OperatingLeaseImpairmentLoss


Operating
Period End2021-06-302021-03-31
Value0187000.0
Percentage of OperatingLeaseImpairmentLoss0.0100.0

us-gaap:OperatingLeasePayments

us-gaap:OperatingLeasePayments


Operating
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value2500000.02500000.02500000.02200000.02400000.02200000.02200000.02100000.02000000.02100000.0
Percentage of OperatingLeasePayments100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OtherComprehensiveIncomeLossBeforeReclassificationsTax us-gaap:StatementEquityComponents

us-gaap:OtherComprehensiveIncomeLossBeforeReclassificationsTax

us-gaap:AccumulatedGainLossNetCashFlowHedgeParent


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-31
Value0.1840.530.2110.223-0.099-1.7950.398-0.333-0.882-0.5140.6990.3090.920.114-0.3990.217
Percentage of OtherComprehensiveIncomeLossBeforeReclassificationsTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:AccumulatedNetUnrealizedInvestmentGainLoss


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-31
Value0.104-1.799-0.504-1.047-0.2024.9761.0120.5174.693.6923.722-1.065-1.154-4.832-1.6460.7692.012-0.36-6.5440.683.2327.509
Percentage of OtherComprehensiveIncomeLossBeforeReclassificationsTax56.5-339.4-238.9-469.5204.0-277.2254.3-155.3-531.7-718.30.0-152.4-373.5-525.20.0674.6-504.3-165.90.00.00.00.0

us-gaap:AccumulatedOtherComprehensiveIncome


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-31
Value0.288-1.269-0.293-0.824-0.3013.1811.410.1843.8083.1782.434-0.366-0.845-3.912-1.0560.8831.613-0.143-3.3361.2632.3025.246
Percentage of OtherComprehensiveIncomeLossBeforeReclassificationsTax156.5-239.4-138.9-369.5304.0-177.2354.3-55.3-431.7-618.30.0-52.4-273.5-425.20.0774.6-404.3-65.90.00.00.00.0

us-gaap:OtherComprehensiveIncomeLossBeforeTaxPortionAttributableToParent us-gaap:StatementEquityComponents

us-gaap:OtherComprehensiveIncomeLossBeforeTaxPortionAttributableToParent

us-gaap:AccumulatedGainLossNetCashFlowHedgeParent


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-31
Value0.6231.7930.7140.755-0.334-6.0731.346-1.126-2.984-1.7382.3651.0453.1130.271-0.9490.516
Percentage of OtherComprehensiveIncomeLossBeforeTaxPortionAttributableToParent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:AccumulatedNetUnrealizedInvestmentGainLoss


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-31
Value0.352-6.938-2.246-3.543-1.83163.1051.871151212-3.589-3.905-16.346-5.3611.8054.783-0.39-17.324-0.0746.03318
Percentage of OtherComprehensiveIncomeLossBeforeTaxPortionAttributableToParent56.5-386.9-314.6-469.3547.9-277.1230.7-166.2-531.7-718.70.0-151.8-373.7-525.10.0666.1-504.0-75.60.00.00.00.0

us-gaap:AccumulatedOtherComprehensiveIncome


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-31
Value0.975-5.145-1.532-2.788-2.164104.4510.74512108.197-1.224-2.86-13.233-3.9582.0763.8340.126-9.6931.3133.82112
Percentage of OtherComprehensiveIncomeLossBeforeTaxPortionAttributableToParent156.5-286.9-214.6-369.3647.9-177.1330.7-66.2-431.7-618.70.0-51.8-273.7-425.10.0766.1-404.024.40.00.00.00.0

us-gaap:OtherComprehensiveIncomeLossCashFlowHedgeGainLossBeforeReclassificationAfterTax us-gaap:DerivativeInstrumentRisk, us-gaap:DerivativeInstrumentsGainLossByHedgingRelationship, us-gaap:HedgingDesignation

us-gaap:OtherComprehensiveIncomeLossCashFlowHedgeGainLossBeforeReclassificationAfterTax

us-gaap:InterestRateSwap, us-gaap:CashFlowHedging, us-gaap:DesignatedAsHedgingInstrument


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-31
Value439000.0-5627000.0503000.0532000.0-234000.0-7691000.0
Percentage of OtherComprehensiveIncomeLossCashFlowHedgeGainLossBeforeReclassificationAfterTax100.0100.0100.0100.0100.0100.0

us-gaap:OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent

us-gaap:OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value0.686-3.624-1.079-1.964-1.5247.5753.1350.5259.0737.5755.774-0.862-2.015-9.324
Percentage of OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent us-gaap:StatementEquityComponents

us-gaap:AccumulatedGainLossNetCashFlowHedgeParent


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-31
Value0.4391.2630.5030.532-0.235-4.2780.948-0.793-2.102-1.2241.6660.7362.1930.157-0.550.299
Percentage of OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent64.0-34.9-46.6-27.115.4-56.530.2-151.0-23.2-16.2-193.3-36.5-23.50.00.00.0

us-gaap:AccumulatedNetUnrealizedInvestmentGainLoss


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-31
Value0.247-4.887-1.582-2.496-1.289112.1871.318118.7998.844-2.528-2.751-11.514-3.1071.0462.772-0.226-10.041-0.0433.49710
Percentage of OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent36.0134.9146.6127.184.6156.569.8251.0123.2116.2153.2293.3136.5123.50.00.00.00.00.00.00.00.0

us-gaap:AccumulatedOtherComprehensiveIncome


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-31
Value0.686-3.624-1.079-1.964-1.5247.5753.1350.5259.0737.5755.774-0.862-2.015-9.321-2.2941.2032.2220.073-5.6180.7612.2157.353
Percentage of OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.00.00.00.00.00.00.00.0

us-gaap:OtherComprehensiveIncomeLossTaxPortionAttributableToParent1 us-gaap:StatementEquityComponents

us-gaap:OtherComprehensiveIncomeLossTaxPortionAttributableToParent1

us-gaap:AccumulatedGainLossNetCashFlowHedgeParent


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-31
Value0.1840.530.2110.223-0.099-1.7950.398-0.333-0.882-0.5140.6990.3090.920.114-0.3990.217
Percentage of OtherComprehensiveIncomeLossTaxPortionAttributableToParent1100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:AccumulatedNetUnrealizedInvestmentGainLoss


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-31
Value0.104-2.051-0.664-1.047-0.5414.9740.9180.5534.693.6923.711-1.061-1.154-4.832-2.2540.7592.011-0.164-7.283-0.0312.5367.596
Percentage of OtherComprehensiveIncomeLossTaxPortionAttributableToParent156.5-387.0-314.7-469.5546.5-277.1230.7-166.1-531.7-718.30.0-151.8-373.5-525.20.0665.8-504.0-75.60.00.00.00.0

us-gaap:AccumulatedOtherComprehensiveIncome


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-31
Value0.288-1.521-0.453-0.824-0.643.1791.3160.223.8083.1782.423-0.362-0.845-3.912-1.6640.8731.6120.053-4.0750.5521.6065.333
Percentage of OtherComprehensiveIncomeLossTaxPortionAttributableToParent1156.5-287.0-214.7-369.5646.5-177.1330.7-66.1-431.7-618.30.0-51.8-273.5-425.20.0765.8-404.024.40.00.00.00.0

us-gaap:OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodNetOfTax

us-gaap:OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodNetOfTax


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-30
Value0.4391.2630.5030.532-0.235-4.2780.948-0.793-2.102-1.224-3.071.6660.7362.1930.8130.157-0.550.2994.4230.804-1.282-3.121.22-2.5582.328-1.588-2.2340.1-0.263
Percentage of OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodNetOfTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax

us-gaap:OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value0.247-4.887-1.2-2.496-0.481112.4121.233118.7998.869-2.538-2.751-11.514-2.271.062.774-0.496-9.0230.9384.45610-7.0372.733-6.3956.4995.4540.171311-8.427-1.074-31.492261.292102.2255.479-2.726-4.75311-0.95-21.310.29209.495
Percentage of OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap: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
Value5.4164.6245.5145.4545.8433.3753.9483.776.2375.8643.0393.8453.1593.9455.0833.2154.7623.334.3134.2751.9794.4273.9353.0693.1643.5173.0453.2793.4233.8362.7493.0543.12.6043.1698.192.2862.4492.6662.432.6232.5612.1412.7222.8354.58
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:PaymentsForOriginationAndPurchasesOfLoansHeldForSale

us-gaap:PaymentsForOriginationAndPurchasesOfLoansHeldForSale


Payments
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-06-302019-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302010-12-312010-09-30
Value-0.0686.0564.4983.4232.5280.2360.0-0.00.03.8765.53.289109.2568.6428.7914.3745.7925.3024.3971.3382.54214231.0690.8132243.035210.014
Percentage of PaymentsForOriginationAndPurchasesOfLoansHeldForSale100.0100.0100.0100.0100.0100.00.00.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0

us-gaap:PaymentsForProceedsFromLoansAndLeases

us-gaap:PaymentsForProceedsFromLoansAndLeases


Payments
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value451586-39.487745834320531628135429633314127731619817019850217617412612127530561286256220262138336-61.833171223132-131.8227815877473.171103.11434
Percentage of PaymentsForProceedsFromLoansAndLeases100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:PaymentsRelatedToTaxWithholdingForShareBasedCompensation

us-gaap:PaymentsRelatedToTaxWithholdingForShareBasedCompensation


Payments
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-30
Value1315000.01279000.08000.04000.01376000.0523000.011000.00707000.01593000.000327000.03223000.01000.09000.005118000.00068000.035000.023000.0090000.0114000.0576000.00
Percentage of PaymentsRelatedToTaxWithholdingForShareBasedCompensation100.0100.0100.0100.0100.0100.0100.00.0100.0100.00.00.0100.0100.0100.0100.00.0100.00.00.0100.0100.0100.00.0100.0100.0100.00.0

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
Value194501615612689230114270154480.0323125-110.9311012499925040026525-1027.65299520703-6.924541104246-676.52925026750819914059116199314487.7683199308481267
Percentage of PaymentsToAcquireAvailableForSaleSecurities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:PaymentsToAcquireFederalHomeLoanBankStock

us-gaap:PaymentsToAcquireFederalHomeLoanBankStock


Payments
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302016-12-31
Value0.00.00.84-0.00.840.00.00.9750.00.00.0
Percentage of PaymentsToAcquireFederalHomeLoanBankStock0.00.0100.00.0100.00.00.0100.00.00.00.0

us-gaap:ProceedsFromFederalHomeLoanBankBorrowings

us-gaap:ProceedsFromFederalHomeLoanBankBorrowings


Proceeds
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-06-302010-03-31
Value0.0500.00.038510657454101290191063520451300115022151813545250825975130545025021023902242157018001325512765910983452981251460.02604730-1039.5287572869678
Percentage of ProceedsFromFederalHomeLoanBankBorrowings0.0100.00.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ProceedsFromIssuanceOfCommonStockDividendReinvestmentPlan

us-gaap:ProceedsFromIssuanceOfCommonStockDividendReinvestmentPlan


Proceeds
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-31
Value857000.0868000.07204000.0866000.0861000.0846000.0844000.0841000.0846000.0835000.0840000.0657000.0661000.0664000.0679000.0616000.0616000.0617000.0634000.0547000.0551000.0545000.0539000.0884000.01463000.01289000.01294000.0679000.0489000.0386000.0403000.066000.074000.062000.0
Percentage of ProceedsFromIssuanceOfCommonStockDividendReinvestmentPlan100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ProceedsFromMaturitiesPrepaymentsAndCallsOfAvailableForSaleSecurities

us-gaap:ProceedsFromMaturitiesPrepaymentsAndCallsOfAvailableForSaleSecurities


Proceeds
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value98148191115300126634910874-4.4288883173-54.70246542133-186.938158150575723244226501102750.0604785993493
Percentage of ProceedsFromMaturitiesPrepaymentsAndCallsOfAvailableForSaleSecurities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.0100.0

us-gaap:ProceedsFromSaleOfAvailableForSaleSecurities

us-gaap:ProceedsFromSaleOfAvailableForSaleSecurities


Proceeds
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value0.0219.710.0327414499500.00.25599120.00.099-415.249173-647.96174216741-382.85476327139-328.5573502333200.0191030211361502170.0665.5471445
Percentage of ProceedsFromSaleOfAvailableForSaleSecurities0.0100.0100.00.0100.0100.0100.0100.0100.00.0100.0100.0100.00.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ProceedsFromSaleOfFederalHomeLoanBankStock

us-gaap:ProceedsFromSaleOfFederalHomeLoanBankStock


Proceeds
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312015-12-312015-09-302014-12-312014-09-302013-12-312013-09-30
Value0.00.00.840.840.00.00.00.9750.00.05.435.8357.0230.00.03.7333.2753.6834.235
Percentage of ProceedsFromSaleOfFederalHomeLoanBankStock0.00.0100.0100.00.00.00.0100.00.00.0100.0100.0100.00.00.0100.0100.0100.0100.0

us-gaap:ProceedsFromSaleOfOtherRealEstate

us-gaap:ProceedsFromSaleOfOtherRealEstate


Proceeds
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value0.02.0621.3650.8810.9170.01.8440.0610.5180.5171.3051.48160.7870.5210.8780.9865.8851.630.3859.0961.0431.33710116.3799.4853.2955.281.35114111110117.44626162263-4.2329.739
Percentage of ProceedsFromSaleOfOtherRealEstate0.0100.0100.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ProceedsFromSaleOfTradingSecuritiesHeldforinvestment

us-gaap:ProceedsFromSaleOfTradingSecuritiesHeldforinvestment


Proceeds
Period End2020-12-312020-09-302020-06-302020-03-312019-06-302019-03-31
Value00-1000.03113000.000
Percentage of ProceedsFromSaleOfTradingSecuritiesHeldforinvestment0.00.0100.0100.00.00.0

us-gaap:ProceedsFromStockOptionsExercised

us-gaap:ProceedsFromStockOptionsExercised


Proceeds
Period End2021-06-302021-03-312019-12-312019-09-302018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-03-31
Value0.00.00.00.00.00.00.00.8380.0760.1410.4550.4227.6120.00.00.0491.5811.721.6250.0880.1170.00.00.6470.00.0-0.0011.3070.0
Percentage of ProceedsFromStockOptionsExercised0.00.00.00.00.00.00.0100.0100.0100.0100.0100.0100.00.00.0100.0100.0100.0100.0100.0100.00.00.0100.00.00.0100.0100.00.0

us-gaap:ProfessionalFees

us-gaap:ProfessionalFees


Professional
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value5.7564.716.275.2415.25.1455.8985.9526.05.2575.7555.2865.736.0395.8984.9425.3434.2564.7054.9994.6144.3687.7845.6876.2875.3526.2245.9915.2635.1566.095.8136.8545.8176.5445.2735.2094.7426.6754.8464.9593.7293.5314.465.04.639
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:ProvisionForDoubtfulAccounts

us-gaap:ProvisionForDoubtfulAccounts


Provision
Period End2020-09-30
Value12
Percentage of ProvisionForDoubtfulAccounts100.0

us-gaap:ProvisionForDoubtfulAccounts us-gaap:CumulativeEffectPeriodOfAdoption, us-gaap:Range, us-gaap:AdjustmentsForNewAccountingPronouncements

srt:CumulativeEffectPeriodOfAdoptionAdjustment, srt:Maximum, us-gaap:AccountingStandardsUpdate201613


Provision
Period End2020-09-302020-06-302020-03-31
Value2510.015
Percentage of ProvisionForDoubtfulAccounts200.00.00.0

srt:CumulativeEffectPeriodOfAdoptionAdjustment, srt:Minimum, us-gaap:AccountingStandardsUpdate201613


Provision
Period End2020-09-302020-06-302020-03-31
Value155.05.0
Percentage of ProvisionForDoubtfulAccounts120.00.00.0

us-gaap:ProvisionForLoanAndLeaseLosses

us-gaap:ProvisionForLoanAndLeaseLosses


Provision
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302013-12-312013-09-302012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value-9.0-13.558-5.0122525-5.0-2.00.00.00.0-1.50.0-3.00.00.00.0-2.50.00.0-5.15-10.5-3.0-1.25-2.15-5.0-2.0-5.1-3.70.0-3.00.00.0-5.0-4.02.09.010.06.010.0174584
Percentage of ProvisionForLoanAndLeaseLosses100.0100.0100.0100.0100.0100.0100.0100.00.00.00.0100.00.0100.00.00.00.0100.00.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.00.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ProvisionForLoanLeaseAndOtherLosses

us-gaap:ProvisionForLoanLeaseAndOtherLosses


Provision
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-03-312016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value-5.0122525-5.0-2.00.00.00.0-1.50.0-3.0-2.5-5.15-10.5-3.0-1.25-2.15-5.0-12.4930.0770.9990.617-1.4470.219-0.857-0.0370.3062.8754.7472.741.2974.7732.3361.979121.8733.3342.855
Percentage of ProvisionForLoanLeaseAndOtherLosses100.0100.0100.0100.0100.0100.00.00.00.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ProvisionForLoanLeaseAndOtherLosses us-gaap:FinancingReceivablePortfolioSegment

caty:InstallmentAndOtherLoans


Provision
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value0.00.00.0-0.019-0.006-0.005-0.0040.016-0.0080.007-0.002-0.001
Percentage of ProvisionForLoanLeaseAndOtherLosses-0.00.00.0-0.10.10.20.00.00.0-0.50.00.0

caty:RealEstateConstructionPortfolioSegment


Provision
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value-1.8586.0123.4783.748-2.224-2.690.2570.053-1.6450.519-1.245-3.018
Percentage of ProvisionForLoanLeaseAndOtherLosses37.248.113.915.044.5134.50.00.00.0-34.60.0100.6

caty:ResidentialMortgageAndEquityLinesPortfolioSegment


Provision
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value-2.6360.7522.1584.2510.589-2.0570.027-0.4651.4310.8420.860.275
Percentage of ProvisionForLoanLeaseAndOtherLosses52.76.08.617.0-11.8102.80.00.00.0-56.10.0-9.2

us-gaap:CommercialPortfolioSegment


Provision
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value-2.9520.2981810-3.3777.4-0.10.962-2.1611.270.923.907
Percentage of ProvisionForLoanLeaseAndOtherLosses59.02.472.943.667.5-370.00.00.00.0-84.70.0-130.2

us-gaap:CommercialRealEstatePortfolioSegment


Provision
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value2.4465.4381.1516.1290.018-4.648-0.18-0.5662.383-4.138-0.533-4.163
Percentage of ProvisionForLoanLeaseAndOtherLosses-48.943.54.624.5-0.4232.40.00.00.0275.90.0138.8

us-gaap:ProvisionForLoanLossesExpensed

us-gaap:ProvisionForLoanLossesExpensed


Provision
Period End2021-06-302021-03-312020-06-302020-03-31
Value-6.6-12.112525
Percentage of ProvisionForLoanLossesExpensed100.0100.0100.0100.0

us-gaap:ProvisionForLoanLossesExpensed us-gaap:FinancialInstrument

us-gaap:CommitmentsToExtendCredit


Provision
Period End2021-06-302021-03-31
Value-2.4-1.449
Percentage of ProvisionForLoanLossesExpensed36.412.0

us-gaap:ProvisionForLoanLossesExpensed us-gaap:FinancialInstrument, us-gaap:FinancingReceivablePortfolioSegment

us-gaap:CommitmentsToExtendCredit, caty:RealEstateConstructionPortfolioSegment


Provision
Period End2021-06-302021-03-31
Value1.33-1.574
Percentage of ProvisionForLoanLossesExpensed-20.213.0

us-gaap:CommitmentsToExtendCredit, us-gaap:CommercialPortfolioSegment


Provision
Period End2021-06-302021-03-31
Value-3.7750.125
Percentage of ProvisionForLoanLossesExpensed57.2-1.0

us-gaap:CommitmentsToExtendCredit, us-gaap:CommercialRealEstatePortfolioSegment


Provision
Period End2021-06-30
Value0.045
Percentage of ProvisionForLoanLossesExpensed-0.7

us-gaap:ProvisionForLoanLossesExpensed us-gaap:FinancingReceivablePortfolioSegment

caty:InstallmentAndOtherLoans


Provision
Period End2021-06-302021-03-312020-06-302020-03-31
Value-0.002-0.0060.0-0.019
Percentage of ProvisionForLoanLossesExpensed0.00.00.0-0.1

caty:RealEstateConstructionPortfolioSegment


Provision
Period End2021-06-302021-03-312020-06-302020-03-31
Value-0.8730.4463.4783.748
Percentage of ProvisionForLoanLossesExpensed13.2-3.713.915.0

caty:ResidentialMortgageAndEquityLinesPortfolioSegment


Provision
Period End2021-06-302021-03-312020-06-302020-03-31
Value-3.899-6.2312.1584.251
Percentage of ProvisionForLoanLossesExpensed59.151.58.617.0

us-gaap:CommercialPortfolioSegment


Provision
Period End2021-06-302021-03-312020-06-302020-03-31
Value5.59121810
Percentage of ProvisionForLoanLossesExpensed-84.7-104.372.943.6

us-gaap:CommercialRealEstatePortfolioSegment


Provision
Period End2021-06-302021-03-312020-06-302020-03-31
Value-7.416-18.9461.1516.129
Percentage of ProvisionForLoanLossesExpensed112.4156.44.624.5

us-gaap:ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax

us-gaap:ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax


Reclassification
Period End2020-12-312020-09-302020-06-302019-12-312019-09-302019-06-302016-09-302016-06-302015-12-312015-09-302015-06-302014-12-312014-09-302014-06-302013-12-312013-09-302013-06-30
Value0.3820.00.8080.225-0.0850.0-0.981-0.959-0.0120.011.931-0.0460.2090.2930.1195.0367.058
Percentage of ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax100.00.0100.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ReclassificationFromAociCurrentPeriodBeforeTaxAttributableToParent us-gaap:StatementEquityComponents

us-gaap:ReclassificationFromAociCurrentPeriodBeforeTaxAttributableToParent

us-gaap:AccumulatedNetUnrealizedInvestmentGainLoss


Reclassification
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-31
Value0.0-0.853-0.5420.0-1.147-0.0060.1030.1210.00.00.036-0.0141.4450.024-0.0030.466-8.0391.692-1.6550.206
Percentage of ReclassificationFromAociCurrentPeriodBeforeTaxAttributableToParent0.0100.0100.00.0100.0100.0100.0100.00.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:AccumulatedOtherComprehensiveIncome


Reclassification
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-31
Value0.0-0.853-0.5420.0-1.147-0.0060.1030.1210.00.00.036-0.0141.4450.024-0.0030.466-8.0391.692-1.6550.206
Percentage of ReclassificationFromAociCurrentPeriodBeforeTaxAttributableToParent0.0100.0100.00.0100.0100.0100.0100.00.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ReclassificationFromAociCurrentPeriodNetOfTaxAttributableToParent us-gaap:StatementEquityComponents

us-gaap:ReclassificationFromAociCurrentPeriodNetOfTaxAttributableToParent

us-gaap:AccumulatedNetUnrealizedInvestmentGainLoss


Reclassification
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-31
Value0.0-0.601-0.3820.0-0.808-0.0040.0730.0850.00.00.025-0.010.8370.014-0.0020.27-4.660.981-0.9590.119
Percentage of ReclassificationFromAociCurrentPeriodNetOfTaxAttributableToParent0.0100.0100.00.0100.0100.0100.0100.00.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:AccumulatedOtherComprehensiveIncome


Reclassification
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-31
Value0.0-0.601-0.3820.0-0.808-0.0040.0730.0850.00.00.025-0.010.8370.014-0.0020.27-4.660.981-0.9590.119
Percentage of ReclassificationFromAociCurrentPeriodNetOfTaxAttributableToParent0.0100.0100.00.0100.0100.0100.0100.00.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ReclassificationFromAociCurrentPeriodTax us-gaap:StatementEquityComponents

us-gaap:ReclassificationFromAociCurrentPeriodTax

us-gaap:AccumulatedNetUnrealizedInvestmentGainLoss


Reclassification
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-31
Value0-252000.0-160000.00-339000.0-2000.030000.036000.00011000.0-4000.0608000.010000.0-1000.0196000.0-3379000.0711000.0-696000.087000.0
Percentage of ReclassificationFromAociCurrentPeriodTax0.0100.0100.00.0100.0100.0100.0100.00.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:AccumulatedOtherComprehensiveIncome


Reclassification
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-31
Value0-252000.0-160000.00-339000.0-2000.030000.036000.00011000.0-4000.0608000.010000.0-1000.0196000.0-3379000.0711000.0-696000.087000.0
Percentage of ReclassificationFromAociCurrentPeriodTax0.0100.0100.00.0100.0100.0100.0100.00.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:RepaymentsOfFederalHomeLoanBankBorrowings

us-gaap:RepaymentsOfFederalHomeLoanBankBorrowings


Repayments
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value55125800.06501240675360116020204202210114512552380172339527511758301225250503452665218217001766144050125158493453170.0146-21.24854710-1042.028904486842-174.096143
Percentage of RepaymentsOfFederalHomeLoanBankBorrowings100.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:RepaymentsOfOtherDebt

us-gaap:RepaymentsOfOtherDebt


Repayments
Period End2020-12-312020-09-302019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302016-03-312015-03-312012-12-312011-12-31
Value0.07.66341204.68715-14.0773725021820.01.889
Percentage of RepaymentsOfOtherDebt0.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0

us-gaap:RepaymentsOfShortTermDebt

us-gaap:RepaymentsOfShortTermDebt


Repayments
Period End2020-12-312020-09-302020-06-302020-03-312019-06-302019-03-31
Value0.00.012120.0-0.0
Percentage of RepaymentsOfShortTermDebt0.00.0100.0100.00.00.0

us-gaap:SalariesWagesAndOfficersCompensation

us-gaap:SalariesWagesAndOfficersCompensation


Salaries
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-31
Value323231332830323133323230303029272625262221262220242220222323
Percentage of SalariesWagesAndOfficersCompensation100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:StockIssuedDuringPeriodValueDividendReinvestmentPlan

us-gaap:StockIssuedDuringPeriodValueDividendReinvestmentPlan


Stock
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value857000.0868000.07204000.0867000.0860000.0846000.0844000.0841000.0846000.0835000.0840000.0657000.0661000.0664000.0
Percentage of StockIssuedDuringPeriodValueDividendReinvestmentPlan100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:StockIssuedDuringPeriodValueDividendReinvestmentPlan us-gaap:StatementEquityComponents

caty:CommonStockOutstanding


Stock
Period End2021-06-302020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-30
Value1000.02000.01000.001000.0001000.001000.000
Percentage of StockIssuedDuringPeriodValueDividendReinvestmentPlan0.10.00.10.00.10.00.00.10.00.10.00.0

us-gaap:AdditionalPaidInCapital


Stock
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value856000.0868000.07202000.0866000.0860000.0845000.0844000.0841000.0845000.0835000.0839000.0657000.0661000.0664000.0
Percentage of StockIssuedDuringPeriodValueDividendReinvestmentPlan99.9100.0100.099.9100.099.9100.0100.099.9100.099.9100.0100.0100.0

us-gaap:StockIssuedDuringPeriodValueIssuedForServices

us-gaap:StockIssuedDuringPeriodValueIssuedForServices


Stock
Period End2021-06-302020-12-312020-09-302020-06-302019-12-312019-09-302019-06-302018-12-312018-09-302018-06-30
Value850000.000800000.000749000.0-1000.00650000.0
Percentage of StockIssuedDuringPeriodValueIssuedForServices100.00.00.0100.00.00.0100.0100.00.0100.0

us-gaap:StockIssuedDuringPeriodValueIssuedForServices us-gaap:StatementEquityComponents

us-gaap:AdditionalPaidInCapital


Stock
Period End2021-06-302020-12-312020-09-302020-06-302019-12-312019-09-302019-06-302018-12-312018-09-302018-06-30
Value850000.000800000.000749000.0-1000.00650000.0
Percentage of StockIssuedDuringPeriodValueIssuedForServices100.00.00.0100.00.00.0100.0100.00.0100.0

us-gaap:StockIssuedDuringPeriodValueRestrictedStockAwardNetOfForfeitures

us-gaap:StockIssuedDuringPeriodValueRestrictedStockAwardNetOfForfeitures


Stock
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value01000.0001000.01000.00001000.0-1000.001000.01000.0
Percentage of StockIssuedDuringPeriodValueRestrictedStockAwardNetOfForfeitures0.0100.00.00.0100.0100.00.00.00.0100.0100.00.0100.0100.0

us-gaap:StockIssuedDuringPeriodValueRestrictedStockAwardNetOfForfeitures us-gaap:StatementEquityComponents

caty:CommonStockOutstanding


Stock
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-30
Value01000.0001000.01000.00001000.0-1000.001000.0
Percentage of StockIssuedDuringPeriodValueRestrictedStockAwardNetOfForfeitures0.0100.00.00.0100.0100.00.00.00.0100.0100.00.0100.0

us-gaap:StockholdersEquityPeriodIncreaseDecrease

us-gaap:StockholdersEquityPeriodIncreaseDecrease


Stockholders
Period End2021-06-302021-03-312020-12-312018-03-312017-12-31
Value-10.945-80276.136-76.4
Percentage of StockholdersEquityPeriodIncreaseDecrease100.0100.0100.0100.0100.0

us-gaap:TreasuryStockValueAcquiredCostMethod

us-gaap:TreasuryStockValueAcquiredCostMethod


Treasury
Period End2021-06-302020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312016-12-312016-06-302016-03-312015-12-31
Value63100.00.0120.04.692238.6010.04154548.7
Percentage of TreasuryStockValueAcquiredCostMethod100.0100.00.00.0100.00.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:TreasuryStockValueAcquiredCostMethod us-gaap:ShareRepurchaseProgram

caty:May2019RepurchaseProgram


Treasury
Period End2020-09-302020-06-302020-03-312019-12-312019-06-30
Value0.00.0120.021
Percentage of TreasuryStockValueAcquiredCostMethod0.00.0100.20.094.3

us-gaap:TreasuryStockValueAcquiredCostMethod us-gaap:ShareRepurchaseProgram, us-gaap:SubsequentEventType

caty:May2019RepurchaseProgram, us-gaap:SubsequentEvent


Treasury
Period End2020-11-04
Value2.9
Percentage of TreasuryStockValueAcquiredCostMethod0.0

us-gaap:TreasuryStockValueAcquiredCostMethod us-gaap:StatementEquityComponents

us-gaap:TreasuryStock


Treasury
Period End2021-06-302020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value63100.00.0120.04.692238.601
Percentage of TreasuryStockValueAcquiredCostMethod100.0100.00.00.0100.00.0100.0100.0100.0

us-gaap:TreasuryStockValueAcquiredCostMethod us-gaap:SubsequentEventType

us-gaap:SubsequentEvent


Treasury
Period End2021-08-05
Value11
Percentage of TreasuryStockValueAcquiredCostMethod0.0

caty:AffordableHousingInvestments

caty:AffordableHousingInvestments


Affordable
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-31
Value27927625926023617212910496888984868783858783807880828688
Percentage of AffordableHousingInvestments100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

caty:AffordableHousingInvestmentsAndAlternativeEnergyPartnershipsNet

caty:AffordableHousingInvestmentsAndAlternativeEnergyPartnershipsNet


Affordable
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302014-12-31
Value286296309325320294308321301285282295308271272298288245251225199212182168160104
Percentage of AffordableHousingInvestmentsAndAlternativeEnergyPartnershipsNet100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

caty:AffordableHousingInvestmentsScheduledFundingForUnfundedCommitmentsInNext12Months

caty:AffordableHousingInvestmentsScheduledFundingForUnfundedCommitmentsInNext12Months


Affordable
Period End2020-12-31
Value41
Percentage of AffordableHousingInvestmentsScheduledFundingForUnfundedCommitmentsInNext12Months100.0

caty:AffordableHousingInvestmentsScheduledFundingForUnfundedCommitmentsInYearFive

caty:AffordableHousingInvestmentsScheduledFundingForUnfundedCommitmentsInYearFive


Affordable
Period End2020-12-31
Value619000.0
Percentage of AffordableHousingInvestmentsScheduledFundingForUnfundedCommitmentsInYearFive100.0

caty:AffordableHousingInvestmentsScheduledFundingForUnfundedCommitmentsInYearFour

caty:AffordableHousingInvestmentsScheduledFundingForUnfundedCommitmentsInYearFour


Affordable
Period End2020-12-31
Value1408000.0
Percentage of AffordableHousingInvestmentsScheduledFundingForUnfundedCommitmentsInYearFour100.0

caty:AffordableHousingInvestmentsScheduledFundingForUnfundedCommitmentsInYearThree

caty:AffordableHousingInvestmentsScheduledFundingForUnfundedCommitmentsInYearThree


Affordable
Period End2020-12-31
Value19
Percentage of AffordableHousingInvestmentsScheduledFundingForUnfundedCommitmentsInYearThree100.0

caty:AffordableHousingInvestmentsScheduledFundingForUnfundedCommitmentsInYearTwo

caty:AffordableHousingInvestmentsScheduledFundingForUnfundedCommitmentsInYearTwo


Affordable
Period End2020-12-31
Value34
Percentage of AffordableHousingInvestmentsScheduledFundingForUnfundedCommitmentsInYearTwo100.0

caty:AffordableHousingInvestmentsScheduledFundingForUnfundedCommitmentsThereafter

caty:AffordableHousingInvestmentsScheduledFundingForUnfundedCommitmentsThereafter


Affordable
Period End2020-12-31
Value4953000.0
Percentage of AffordableHousingInvestmentsScheduledFundingForUnfundedCommitmentsThereafter100.0

caty:AlternativeEnergyTaxCreditPartnershipInvestmentsHeldInEscrow

caty:AlternativeEnergyTaxCreditPartnershipInvestmentsHeldInEscrow


Alternative
Period End2020-12-31
Value9300000.0
Percentage of AlternativeEnergyTaxCreditPartnershipInvestmentsHeldInEscrow100.0

caty:AlternativeEnergyTaxCreditPartnershipInvestmentsNet

caty:AlternativeEnergyTaxCreditPartnershipInvestmentsNet


Alternative
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-31
Value293223121410
Percentage of AlternativeEnergyTaxCreditPartnershipInvestmentsNet100.0100.0100.0100.0100.0100.0

caty:BillOfLadingGuaranteesNotionalAmount

caty:BillOfLadingGuaranteesNotionalAmount


Bill
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312013-12-31
Value238000.0221000.0124000.089000.0319000.0743000.0188000.0662000.0730000.01108000.01440000.024000.024000.024000.0113000.024000.075000.051000.052000.0454000.0294000.0199000.0159000.0108000.080000.0
Percentage of BillOfLadingGuaranteesNotionalAmount100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

caty:CommitmentsToExtendCreditFairValue

caty:CommitmentsToExtendCreditFairValue


Commitments
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312013-12-31
Value-10632000.0-9614000.0-8432000.0-8847000.0-9464000.0-9176000.0-9826000.0-9291000.0-8916000.0-5703000.0-8843000.0-9095000.0-2389000.0-7711000.0-7224000.0-6924000.0-6446000.0-6345000.0-6025000.0-5844000.0-5639000.0-5722000.0-5570000.0-4879000.0-4123000.0-3740000.0-3442000.0-2187000.0
Percentage of CommitmentsToExtendCreditFairValue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

caty:CommitmentsToExtendNotionalAmount

caty:CommitmentsToExtendNotionalAmount


Commitments
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312013-12-31
Value3048309530003033307329343100309730192776269126452559248723662287210221262062195020402098197118532003202720711858
Percentage of CommitmentsToExtendNotionalAmount100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

caty:CommitmentsToFundAdjustableRateLoans

caty:CommitmentsToFundAdjustableRateLoans


Commitments
Period End2020-12-31
Value2900
Percentage of CommitmentsToFundAdjustableRateLoans100.0

caty:CommitmentsToFundFixedRateLoans

caty:CommitmentsToFundFixedRateLoans


Commitments
Period End2020-12-31
Value59
Percentage of CommitmentsToFundFixedRateLoans100.0

caty:CommonEquityTierOneRiskBasedCapitalRequiredForCapitalAdequacy

caty:CommonEquityTierOneRiskBasedCapitalRequiredForCapitalAdequacy


Common
Period End2020-12-312019-12-312018-12-312017-12-312016-12-31
Value10411057628580511
Percentage of CommonEquityTierOneRiskBasedCapitalRequiredForCapitalAdequacy100.0100.0100.0100.0100.0

caty:CommonEquityTierOneRiskBasedCapitalRequiredForCapitalAdequacy dei:LegalEntity

caty:Bank


Common
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-31
Value10421059627579510479
Percentage of CommonEquityTierOneRiskBasedCapitalRequiredForCapitalAdequacy100.1100.199.999.999.80.0

caty:CommonEquityTierOneRiskBasedCapitalRequiredForCapitalAdequacyToRiskWeightedAssets

caty:CommonEquityTierOneRiskBasedCapitalRequiredForCapitalAdequacyToRiskWeightedAssets


Common
Period End2020-12-312019-12-312018-12-312017-12-312016-12-31
Value7.00.070.0450.0450.045
Percentage of CommonEquityTierOneRiskBasedCapitalRequiredForCapitalAdequacyToRiskWeightedAssets100.0100.0100.0100.0100.0

caty:CommonEquityTierOneRiskBasedCapitalRequiredForCapitalAdequacyToRiskWeightedAssets dei:LegalEntity

caty:Bank


Common
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-31
Value7.00.070.0450.0450.0450.045
Percentage of CommonEquityTierOneRiskBasedCapitalRequiredForCapitalAdequacyToRiskWeightedAssets100.0100.0100.0100.0100.00.0

caty:CommonEquityTierOneRiskBasedCapitalRequiredToBeWellCapitalized

caty:CommonEquityTierOneRiskBasedCapitalRequiredToBeWellCapitalized


Common
Period End2020-12-312019-12-312018-12-31
Value967982906
Percentage of CommonEquityTierOneRiskBasedCapitalRequiredToBeWellCapitalized100.0100.0100.0

caty:CommonEquityTierOneRiskBasedCapitalRequiredToBeWellCapitalized dei:LegalEntity

caty:Bank


Common
Period End2020-12-312019-12-312018-12-31
Value968983907
Percentage of CommonEquityTierOneRiskBasedCapitalRequiredToBeWellCapitalized100.1100.1100.1

caty:CommonEquityTierOneRiskBasedCapitalRequiredToBeWellCapitalizedToRiskWeightedAssets

caty:CommonEquityTierOneRiskBasedCapitalRequiredToBeWellCapitalizedToRiskWeightedAssets


Common
Period End2020-12-312019-12-312018-12-31
Value6.50.0650.065
Percentage of CommonEquityTierOneRiskBasedCapitalRequiredToBeWellCapitalizedToRiskWeightedAssets100.0100.0100.0

caty:CommonEquityTierOneRiskBasedCapitalRequiredToBeWellCapitalizedToRiskWeightedAssets dei:LegalEntity

caty:Bank


Common
Period End2020-12-312019-12-312018-12-31
Value6.50.0650.065
Percentage of CommonEquityTierOneRiskBasedCapitalRequiredToBeWellCapitalizedToRiskWeightedAssets100.0100.0100.0

caty:CommonEqutiyTier1Capital

caty:CommonEqutiyTier1Capital


Common
Period End2020-12-312019-12-312018-12-312017-12-312016-12-31
Value20591959173615721459
Percentage of CommonEqutiyTier1Capital100.0100.0100.0100.0100.0

caty:CommonEqutiyTier1Capital dei:LegalEntity

caty:Bank


Common
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-31
Value201618921904173415151443
Percentage of CommonEqutiyTier1Capital97.996.6109.7110.3103.80.0

caty:CommonTierOneRiskBasedCapitalToRiskWeightedAssets

caty:CommonTierOneRiskBasedCapitalToRiskWeightedAssets


Common
Period End2020-12-312019-12-312018-12-312017-12-312016-12-31
Value13.830.12970.12430.12190.1284
Percentage of CommonTierOneRiskBasedCapitalToRiskWeightedAssets100.0100.0100.0100.0100.0

caty:CommonTierOneRiskBasedCapitalToRiskWeightedAssets dei:LegalEntity

caty:Bank


Common
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-31
Value13.530.12510.13660.13460.13350.1354
Percentage of CommonTierOneRiskBasedCapitalToRiskWeightedAssets97.896.5109.9110.4104.00.0

caty:DeferredTaxAssetsNonaccrualInterest

caty:DeferredTaxAssetsNonaccrualInterest


Deferred
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-31
Value861000.01005000.02277000.02100000.04246000.04929000.03735000.03968000.03208000.02048000.0
Percentage of DeferredTaxAssetsNonaccrualInterest100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

caty:DeferredTaxAssetsUnrealizedLossOnInterestRateSwaps

caty:DeferredTaxAssetsUnrealizedLossOnInterestRateSwaps


Deferred
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312011-12-312010-12-31
Value2934000.01599000.0190000.01158000.01763000.02173000.01739000.01097000.02709000.0
Percentage of DeferredTaxAssetsUnrealizedLossOnInterestRateSwaps100.0100.0100.0100.0100.0100.0100.0100.0100.0

caty:DeferredTaxLiabilitiesDeferredExpenseLoanCosts

caty:DeferredTaxLiabilitiesDeferredExpenseLoanCosts


Deferred
Period End2020-12-312019-12-312018-12-312017-12-312016-12-31
Value109.7788.8397.6558.695
Percentage of DeferredTaxLiabilitiesDeferredExpenseLoanCosts100.0100.0100.0100.0100.0

caty:DeferredTaxLiabilitiesDividendsOnFederalHomeLoanBankCommonStock

caty:DeferredTaxLiabilitiesDividendsOnFederalHomeLoanBankCommonStock


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
Value979000.0978000.0956000.01021000.01322000.01322000.01927000.02986000.03071000.02788000.04035000.0
Percentage of DeferredTaxLiabilitiesDividendsOnFederalHomeLoanBankCommonStock100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

caty:DeferredTaxLiabilitiesOREOInstallmentSale

caty:DeferredTaxLiabilitiesOREOInstallmentSale


Deferred
Period End2020-12-31
Value1274000.0
Percentage of DeferredTaxLiabilitiesOREOInstallmentSale100.0

caty:DeferredTaxLiabilitiesUnrealizedGainOnSecuritiesAvailableForSaleNet

caty:DeferredTaxLiabilitiesUnrealizedGainOnSecuritiesAvailableForSaleNet


Deferred
Period End2020-12-312019-12-312018-12-31
Value8712000.05990000.00
Percentage of DeferredTaxLiabilitiesUnrealizedGainOnSecuritiesAvailableForSaleNet100.0100.00.0

caty:EstimatedSalesCostAppliedToCollateral us-gaap:Range

caty:EstimatedSalesCostAppliedToCollateral

srt:Maximum


Estimated
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value6.06.06.06.00.060.060.060.060.060.060.060.060.06
Percentage of EstimatedSalesCostAppliedToCollateral100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

srt:Minimum


Estimated
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value3.03.03.03.00.030.030.030.030.030.030.030.030.03
Percentage of EstimatedSalesCostAppliedToCollateral50.050.050.050.050.050.050.050.050.050.050.050.050.0

caty:FinancingReceivableApprovedForbearancePercentageOfTotalResidentialMortgageLoans us-gaap:FinancingReceivablePortfolioSegment

caty:FinancingReceivableApprovedForbearancePercentageOfTotalResidentialMortgageLoans

us-gaap:ResidentialPortfolioSegment


Financing
Period End2020-09-30
Value4.3
Percentage of FinancingReceivableApprovedForbearancePercentageOfTotalResidentialMortgageLoans100.0

caty:FinancingReceivablePercentageOfTotalModifiedCommercialLoans us-gaap:FinancingReceivablePortfolioSegment

caty:FinancingReceivablePercentageOfTotalModifiedCommercialLoans

us-gaap:CommercialPortfolioSegment


Financing
Period End2020-09-30
Value2.3
Percentage of FinancingReceivablePercentageOfTotalModifiedCommercialLoans100.0

caty:FinancingReceivableWithModificationsPercentageOfTotalCommercialRealEstateLoans us-gaap:FinancingReceivablePortfolioSegment

caty:FinancingReceivableWithModificationsPercentageOfTotalCommercialRealEstateLoans

caty:HELOCLoans


Financing
Period End2021-03-312020-12-31
Value0.30.5
Percentage of FinancingReceivableWithModificationsPercentageOfTotalCommercialRealEstateLoans100.0100.0

us-gaap:CommercialPortfolioSegment


Financing
Period End2021-06-302021-03-312020-12-31
Value1.31.32.0
Percentage of FinancingReceivableWithModificationsPercentageOfTotalCommercialRealEstateLoans0.0433.3400.0

us-gaap:CommercialRealEstatePortfolioSegment


Financing
Period End2021-06-302021-03-312020-12-312020-09-30
Value1.20.71.15.7
Percentage of FinancingReceivableWithModificationsPercentageOfTotalCommercialRealEstateLoans0.0233.3220.00.0

us-gaap:ResidentialPortfolioSegment


Financing
Period End2021-06-302021-03-312020-12-31
Value0.30.81.0
Percentage of FinancingReceivableWithModificationsPercentageOfTotalCommercialRealEstateLoans0.0266.7200.0

caty:FinancingReceivableWithModificationsPercentageOfTotalHELOCLoans us-gaap:FinancingReceivablePortfolioSegment

caty:FinancingReceivableWithModificationsPercentageOfTotalHELOCLoans

caty:HelocLoans


Financing
Period End2020-09-30
Value1.6
Percentage of FinancingReceivableWithModificationsPercentageOfTotalHELOCLoans100.0

caty:FinancingReceivablesImpairedTroubledDebtRestructuringSpecificReserve

caty:FinancingReceivablesImpairedTroubledDebtRestructuringSpecificReserve


Financing
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312017-12-31
Value203000.086000.002190000.089000.037000.001518000.01556000.0
Percentage of FinancingReceivablesImpairedTroubledDebtRestructuringSpecificReserve100.0100.00.0100.0100.0100.00.0100.0100.0

caty:FinancingReceivablesImpairedTroubledDebtRestructuringSpecificReserve us-gaap:FinancingReceivablePortfolioSegment

us-gaap:CommercialPortfolioSegment


Financing
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312017-12-31
Value203000.086000.002190000.089000.037000.001384000.07000.0
Percentage of FinancingReceivablesImpairedTroubledDebtRestructuringSpecificReserve100.0100.00.0100.0100.0100.00.091.20.4

caty:ForeignCurrencyContractAssetFairValueLossDisclosure

caty:ForeignCurrencyContractAssetFairValueLossDisclosure


Foreign
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312013-12-31
Value3831000.02550000.02200000.01592000.0531000.04211000.01415000.02435000.0876000.0645000.01763000.01648000.02083000.0924000.0453000.01083000.0640000.0647000.03132000.0712000.01602000.0913000.04124000.04895000.03201000.04959000.05007000.06140000.0
Percentage of ForeignCurrencyContractAssetFairValueLossDisclosure100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

caty:ForeignExchangeContractAssetFairValueGainDisclosure

caty:ForeignExchangeContractAssetFairValueGainDisclosure


Foreign
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312013-12-31
Value3667000.02891000.04658000.03236000.01529000.01157000.02411000.0965000.0638000.0459000.0397000.0400000.0389000.01539000.01832000.01725000.02378000.01148000.01302000.01711000.02083000.03314000.03339000.03363000.02326000.01615000.01876000.06182000.0
Percentage of ForeignExchangeContractAssetFairValueGainDisclosure100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

caty:GrossLoansComprisedOfCommercialLoansPercentage

caty:GrossLoansComprisedOfCommercialLoansPercentage


Gross
Period End2020-12-31
Value18.1
Percentage of GrossLoansComprisedOfCommercialLoansPercentage100.0

caty:GrossLoansComprisedOfCommercialMortgageLoansPercentage

caty:GrossLoansComprisedOfCommercialMortgageLoansPercentage


Gross
Period End2020-12-31
Value48.3
Percentage of GrossLoansComprisedOfCommercialMortgageLoansPercentage100.0

caty:InvestmentsInAffordableHousingAndAlternativeEnergyPartnerships

caty:InvestmentsInAffordableHousingAndAlternativeEnergyPartnerships


Investments
Period End2020-12-312019-12-312018-12-312017-12-31
Value309308282272
Percentage of InvestmentsInAffordableHousingAndAlternativeEnergyPartnerships100.0100.0100.0100.0

caty:LesseeOperatingLeaseLiabilityToBePaidAfterYearFour

caty:LesseeOperatingLeaseLiabilityToBePaidAfterYearFour


Lessee
Period End2021-06-302021-03-312020-12-312020-09-30
Value5352000.05352000.04153000.06641000.0
Percentage of LesseeOperatingLeaseLiabilityToBePaidAfterYearFour100.0100.0100.0100.0

caty:LoansAndLeasesReceivableForgiven us-gaap:LoansInsuredOrGuaranteedByGovernmentAuthorities

caty:LoansAndLeasesReceivableForgiven

caty:SBAsPaycheckProtectionProgram


Loans
Period End2021-06-302021-03-312020-12-31
Value1917123
Percentage of LoansAndLeasesReceivableForgiven100.0100.0100.0

caty:LoansAndLeasesReceivableWithApprovedForbearanceRequestsGross us-gaap:FinancingReceivablePortfolioSegment

caty:LoansAndLeasesReceivableWithApprovedForbearanceRequestsGross

caty:HELOCLoans


Loans
Period End2021-03-312020-12-31
Value1.12.2
Percentage of LoansAndLeasesReceivableWithApprovedForbearanceRequestsGross100.0100.0

us-gaap:ResidentialPortfolioSegment


Loans
Period End2021-06-302021-03-312020-12-312020-09-30
Value133140180
Percentage of LoansAndLeasesReceivableWithApprovedForbearanceRequestsGross0.02854.51850.00.0

caty:LoansAndLeasesReceivableWithModificationsGross us-gaap:FinancingReceivablePortfolioSegment

caty:LoansAndLeasesReceivableWithModificationsGross

caty:HelocLoans


Loans
Period End2020-09-30
Value6.5
Percentage of LoansAndLeasesReceivableWithModificationsGross100.0

us-gaap:CommercialPortfolioSegment


Loans
Period End2021-06-302021-03-312020-12-312020-09-302020-06-30
Value38385664141
Percentage of LoansAndLeasesReceivableWithModificationsGross0.00.00.0993.80.0

us-gaap:CommercialRealEstatePortfolioSegment


Loans
Period End2021-06-302021-03-312020-12-312020-09-302020-06-30
Value9256814281500
Percentage of LoansAndLeasesReceivableWithModificationsGross0.00.00.06586.20.0

caty:LoansPledgedWithFederalReserveBank us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable

caty:LoansPledgedWithFederalReserveBank

caty:CommercialLoans


Loans
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-31
Value7.53121363071127
Percentage of LoansPledgedWithFederalReserveBank100.0100.0100.0100.0100.0100.0100.0

caty:MaximumLoanSizePortfolioStratificationHomogenousPortfolio

caty:MaximumLoanSizePortfolioStratificationHomogenousPortfolio


Maximum
Period End2020-12-31
Value500000.0
Percentage of MaximumLoanSizePortfolioStratificationHomogenousPortfolio100.0

caty:NetAmountOfDerivativeAssetsPresentedInTheBalanceSheet

caty:NetAmountOfDerivativeAssetsPresentedInTheBalanceSheet


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-31
Value4.9033.6153.4093.9923.8423.212.1811.6971.444.487.811814115.2182.3141.6081.8510.938
Percentage of NetAmountOfDerivativeAssetsPresentedInTheBalanceSheet100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

caty:NetAmountOfDerivativeAssetsPresentedInTheBalanceSheetNotOffset

caty:NetAmountOfDerivativeAssetsPresentedInTheBalanceSheetNotOffset


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-31
Value4.9033.6153.4093.9923.8423.212.1811.6971.444.487.811814115.2182.3141.6081.8510.000938
Percentage of NetAmountOfDerivativeAssetsPresentedInTheBalanceSheetNotOffset100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

caty:NetAmountOfDerivativeLiabilitiesPresentedInTheBalanceSheet

caty:NetAmountOfDerivativeLiabilitiesPresentedInTheBalanceSheet


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-06-302017-12-312017-09-302017-06-302017-03-312016-12-312016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-31
Value9.59912101133321417135.7271.5430.1572.6995.0494.7713.2283.74418146.4963.7264.0958.614.626
Percentage of NetAmountOfDerivativeLiabilitiesPresentedInTheBalanceSheet100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

caty:NetAmountOfDerivativeLiabilitiesPresentedInTheBalanceSheetNotOffset

caty:NetAmountOfDerivativeLiabilitiesPresentedInTheBalanceSheetNotOffset


Net
Period End2021-06-302021-03-312020-12-312019-09-302019-06-302019-03-312018-12-31
Value9.5991210-4.464-2.2860.230.0
Percentage of NetAmountOfDerivativeLiabilitiesPresentedInTheBalanceSheetNotOffset100.0100.0100.0100.0100.0100.00.0

caty:NotionalAmountOfForeignCurrencyDerivativePurchaseContractsWithGain

caty:NotionalAmountOfForeignCurrencyDerivativePurchaseContractsWithGain


Notional
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312013-12-31
Value200154151107101110146701097686536278108691571748210785138100129193127167267
Percentage of NotionalAmountOfForeignCurrencyDerivativePurchaseContractsWithGain100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

caty:NotionalAmountOfForeignCurrencyDerivativePurchaseContractsWithLoss

caty:NotionalAmountOfForeignCurrencyDerivativePurchaseContractsWithLoss


Notional
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312013-12-31
Value1559613216017921612712195579411792573286457089448473115144188158178236
Percentage of NotionalAmountOfForeignCurrencyDerivativePurchaseContractsWithLoss100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

caty:OptionContractsFairValue

caty:OptionContractsFairValue


Option
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312015-12-31
Value6000.06000.014000.07000.06000.014000.012000.06000.04000.09000.03000.09000.0234000.0231000.0180000.0121000.028000.0
Percentage of OptionContractsFairValue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

caty:Options

caty:Options


Options
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312015-12-31
Value0.850.532.4960.9081.1721.6982.1881.2151.6231.6541.0281.014121311129.396
Percentage of Options100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

caty:OtherBorrowingsFairValueDisclosure us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementBasis

caty:OtherBorrowingsFairValueDisclosure

us-gaap:FairValueInputsLevel3, us-gaap:EstimateOfFairValueFairValueDisclosure


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312018-12-31
Value1919191933313034
Percentage of OtherBorrowingsFairValueDisclosure100.0100.0100.0100.0100.0100.0100.0100.0

caty:OtherBorrowingsFairValueDisclosure us-gaap:FairValueByMeasurementBasis

us-gaap:CarryingReportedAmountFairValueDisclosure


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302016-12-31
Value23232323403636384948353553535215317
Percentage of OtherBorrowingsFairValueDisclosure121.9117.5120.8121.7121.5117.2119.20.00.00.0105.10.00.00.00.00.00.0

us-gaap:EstimateOfFairValueFairValueDisclosure


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302016-12-31
Value19191919333130314342343352515115115
Percentage of OtherBorrowingsFairValueDisclosure100.0100.0100.0100.0100.0100.0100.00.00.00.0100.00.00.00.00.00.00.0

caty:OtherBorrowingsForAffordableHousingInvestments

caty:OtherBorrowingsForAffordableHousingInvestments


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
Value23232323322829303029171717171717171717171717181820221918181919191919181818181818191919
Percentage of OtherBorrowingsForAffordableHousingInvestments100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

caty:OtherBorrowingsFromConsolidatingAffordableHousingEquityInterest

caty:OtherBorrowingsFromConsolidatingAffordableHousingEquityInterest


Other
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-31
Value23291717171819191818
Percentage of OtherBorrowingsFromConsolidatingAffordableHousingEquityInterest100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

caty:OtherLettersOfCreditFairValue

caty:OtherLettersOfCreditFairValue


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312013-12-31
Value-52000.0-19000.0-16000.0-21000.0-30000.0-17000.0-20000.0-28000.0-21000.0-28000.0-30000.0-20000.0-28000.0-13000.0-52000.0-218000.0-17000.0-12000.0-16000.0-69000.0-20000.0-18000.0-22000.0-31000.0-35000.0-34000.0-29000.0-34000.0
Percentage of OtherLettersOfCreditFairValue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

caty:OtherLettersOfCreditNotionalAmount

caty:OtherLettersOfCreditNotionalAmount


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312013-12-31
Value27211624281922292429353035252741312337312930385857504854
Percentage of OtherLettersOfCreditNotionalAmount100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

caty:OtherLiabilitiesFromAffordablehousingUnfundedCommitments

caty:OtherLiabilitiesFromAffordablehousingUnfundedCommitments


Other
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-31
Value10311411312411585
Percentage of OtherLiabilitiesFromAffordablehousingUnfundedCommitments100.0100.0100.0100.0100.0100.0

caty:PercentageOfChargeOffToContractualBalancesForImpairedLoans

caty:PercentageOfChargeOffToContractualBalancesForImpairedLoans


Percentage
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302010-12-31
Value12.515.17.16.10.0030.0030.0210.0190.0990.0910.0930.0740.0650.0640.0720.0710.10.1030.0840.0770.1720.1420.2240.1890.1860.170.1710.1260.1290.150.2390.2220.2370.2210.2320.2210.2190.2240.2560.2360.233
Percentage of PercentageOfChargeOffToContractualBalancesForImpairedLoans100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

caty:PercentageOfOutstandingCommonStockUnderEmployeeStockOwnershipPlan

caty:PercentageOfOutstandingCommonStockUnderEmployeeStockOwnershipPlan


Percentage
Period End2020-12-31
Value1.0
Percentage of PercentageOfOutstandingCommonStockUnderEmployeeStockOwnershipPlan100.0

caty:PerformanceBasedRestrictedStockUnitsNumberOfSharesThatMayVestPercentageOfTarget us-gaap:Range

caty:PerformanceBasedRestrictedStockUnitsNumberOfSharesThatMayVestPercentageOfTarget

srt:Maximum


Performance
Period End2020-09-302019-09-302019-06-302019-03-31
Value150.01.51.51.5
Percentage of PerformanceBasedRestrictedStockUnitsNumberOfSharesThatMayVestPercentageOfTarget100.0100.0100.0100.0

caty:PledgedInvestmentSecurities

caty:PledgedInvestmentSecurities


Pledged
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-31
Value221897212020218728331582312722912252856495054714454494575195755917038498539269411120136014501570154015201680
Percentage of PledgedInvestmentSecurities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

caty:RemainingAndFutureAvailableTaxCredit us-gaap:IncomeTaxAuthority, us-gaap:InvestmentType

caty:RemainingAndFutureAvailableTaxCredit

us-gaap:DomesticCountry, caty:AffordableHousingLimitedPartnerships


Remaining
Period End2020-12-312019-12-31
Value218207
Percentage of RemainingAndFutureAvailableTaxCredit100.0100.0

us-gaap:StateAndLocalJurisdiction, caty:AffordableHousingLimitedPartnerships


Remaining
Period End2020-12-312019-12-31
Value3.11.5
Percentage of RemainingAndFutureAvailableTaxCredit1.40.7

caty:ReserveForOffBalanceSheetCreditCommitments

caty:ReserveForOffBalanceSheetCreditCommitments


Reserve
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302011-12-312011-09-302011-06-302010-12-312010-09-302010-06-30
Value5880000.05663000.04663000.03013000.03855000.04550000.04550000.03850000.02250000.03088000.03088000.04588000.04588000.04254000.04513000.03424000.03224000.02229000.02124000.02694000.01494000.01420000.01574000.01652000.01949000.02018000.01844000.02069000.01863000.01547000.02337000.02664000.04830000.0
Percentage of ReserveForOffBalanceSheetCreditCommitments100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

caty:ReserveForOffBalanceSheetCreditCommitments us-gaap:FinancingReceivablePortfolioSegment

caty:InstallmentAndOtherLoans


Reserve
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-30
Value3000.04000.02000.03000.03000.03000.04000.02000.03000.06000.08000.06000.05000.04000.06000.06000.06000.02000.02000.0
Percentage of ReserveForOffBalanceSheetCreditCommitments0.10.10.00.10.10.10.10.10.10.20.30.10.10.10.10.20.20.10.1

caty:RealEstateConstructionPortfolioSegment


Reserve
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-30
Value690000.0896000.0666000.01233000.01047000.01608000.02029000.01668000.0745000.01174000.01207000.01515000.01360000.01206000.01707000.0909000.0940000.0526000.0477000.0427000.0527000.0728000.0668000.0391000.0
Percentage of ReserveForOffBalanceSheetCreditCommitments11.715.814.340.927.235.344.643.333.138.039.133.029.628.337.826.529.235.233.627.131.937.433.121.2

caty:ResidentialMortgageAndEquityLinesPortfolioSegment


Reserve
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302015-09-302015-06-302015-03-312014-12-312014-09-302014-06-30
Value284000.0294000.0297000.0304000.0311000.0313000.0290000.0275000.0246000.0215000.0190000.0182000.0190000.0175000.0143000.0146000.0146000.080000.0119000.037000.042000.040000.039000.039000.036000.0
Percentage of ReserveForOffBalanceSheetCreditCommitments4.85.26.410.18.16.96.47.110.97.06.24.04.14.13.24.34.53.65.62.62.72.42.01.92.0

us-gaap:CommercialPortfolioSegment


Reserve
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-30
Value4802000.04297000.03581000.01296000.02301000.02505000.02090000.01759000.01161000.01615000.01606000.02747000.02919000.02760000.02583000.02243000.02091000.02112000.01969000.02641000.0810000.0703000.0942000.0903000.0923000.0901000.01014000.0
Percentage of ReserveForOffBalanceSheetCreditCommitments81.775.976.843.059.755.145.945.751.652.352.059.963.664.957.265.564.994.892.798.054.249.559.854.747.444.655.0

us-gaap:CommercialRealEstatePortfolioSegment


Reserve
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-30
Value101000.0172000.0117000.0177000.0193000.0121000.0137000.0146000.095000.078000.077000.0138000.0114000.0109000.074000.0120000.041000.035000.034000.053000.0158000.0202000.0163000.0181000.0259000.0410000.0401000.0
Percentage of ReserveForOffBalanceSheetCreditCommitments1.73.02.55.95.02.73.03.84.22.52.53.02.52.61.63.51.31.61.62.010.614.210.411.013.320.321.7

caty:ReserveToImpairedLoans

caty:ReserveToImpairedLoans


Reserve
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302011-12-312011-09-302011-06-302010-12-312010-09-302010-06-30
Value6.4298.4957.5253.4513.2361.5011.6861.4143.8023.7043.8331.5022.1342.6061.5612.2752.7962.9437.7247.197.749147.9841111139.6097.5527.40314152325
Percentage of ReserveToImpairedLoans100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

caty:ReserveToImpairedLoans us-gaap:FinancingReceivablePortfolioSegment

caty:ResidentialMortgageAndEquityLinesPortfolioSegment


Reserve
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-30
Value0.1450.2090.3070.2190.220.2210.2340.2491.0880.2810.3340.3460.3530.3220.3980.3950.3960.3750.4380.3720.4270.3730.4640.4980.4650.4810.519
Percentage of ReserveToImpairedLoans2.32.54.16.36.814.713.917.628.67.68.723.016.512.425.517.414.212.75.75.25.52.65.84.53.93.55.4

us-gaap:CommercialPortfolioSegment


Reserve
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-30
Value1.037.7046.8952.8272.5430.7440.8320.4981.8372.5062.4630.0110.0431.4610.1441.0621.8271.321.3950.2250.537.5610.9663.9111.2632.732.717
Percentage of ReserveToImpairedLoans16.090.791.681.978.649.649.335.248.367.764.30.72.056.19.246.765.344.918.13.16.852.812.135.410.719.828.3

us-gaap:CommercialRealEstatePortfolioSegment


Reserve
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-30
Value5.2540.5820.3230.4050.4730.5360.620.6670.8770.9171.0361.1451.7380.8231.0190.8180.5731.2485.8916.5936.7926.3896.5546.6358.9937.9996.23
Percentage of ReserveToImpairedLoans81.76.94.311.714.635.736.847.223.124.827.076.281.431.665.336.020.542.476.391.787.744.682.160.176.257.964.8

caty:ReserveToNonImpairedLoans

caty:ReserveToNonImpairedLoans


Reserve
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302011-12-312011-09-302011-06-302010-12-312010-09-302010-06-30
Value160170162144119124120121118119118120121118115113116114115127131135145145149155159198201215230234230
Percentage of ReserveToNonImpairedLoans100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

caty:ReserveToNonImpairedLoans us-gaap:FinancingReceivablePortfolioSegment

caty:RealEstateConstructionPortfolioSegment


Reserve
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-30
Value30322623192121201921202124221719239.24510122226262326329.412
Percentage of ReserveToNonImpairedLoans19.319.216.516.016.217.417.417.116.517.717.518.120.518.515.417.520.08.09.310.016.919.518.116.017.820.75.9

caty:ResidentialMortgageAndEquityLinesPortfolioSegment


Reserve
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-30
Value17201917121113131312111110101412119.682151410121111111012
Percentage of ReserveToNonImpairedLoans11.011.811.911.810.79.611.511.311.110.59.99.18.89.012.410.79.78.413.111.58.29.18.27.87.47.17.7

us-gaap:CommercialPortfolioSegment


Reserve
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-30
Value677175645457535453545254494946464752495655474645465360
Percentage of ReserveToNonImpairedLoans42.342.046.544.945.446.544.244.844.845.144.645.341.141.740.440.840.845.542.744.142.434.932.031.630.934.538.0

us-gaap:CommercialRealEstatePortfolioSegment


Reserve
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-30
Value434640393332323232313233353636353443404342496064655877
Percentage of ReserveToNonImpairedLoans27.527.025.227.327.626.526.926.827.526.627.927.429.630.831.831.029.538.034.934.432.536.541.744.643.937.848.4

caty:ResidentialMortgagesPropertiesPercentage

caty:ResidentialMortgagesPropertiesPercentage


Residential
Period End2020-12-312019-12-312018-12-312017-12-312016-12-31
Value26.50.2710.2640.2380.218
Percentage of ResidentialMortgagesPropertiesPercentage100.0100.0100.0100.0100.0

caty:ResidentialMortgagesPropertiesPercentage us-gaap:StatementGeographical

caty:CA


Residential
Period End2020-12-312019-12-312018-12-312017-12-312016-12-31
Value52.00.540.570.610.63
Percentage of ResidentialMortgagesPropertiesPercentage196.2199.3215.9256.3289.0

caty:ShortTermInvestmentsAndInterestBearingDeposits

caty:ShortTermInvestmentsAndInterestBearingDeposits


Short
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-31
Value15891612128213051425363416567351343374377208524292573393630967791706432536369486184895978036205163891392154114265132752943396169206
Percentage of ShortTermInvestmentsAndInterestBearingDeposits100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

caty:ShorttermInvestmentFairValueDisclosure us-gaap:FairValueByMeasurementBasis

caty:ShorttermInvestmentFairValueDisclosure

us-gaap:CarryingReportedAmountFairValueDisclosure


Shortterm
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302016-12-31
Value15891612128213051425363416567351343374377208524292573967
Percentage of ShorttermInvestmentFairValueDisclosure100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:EstimateOfFairValueFairValueDisclosure


Shortterm
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302016-12-31
Value15891612128213051425363416567351343374377208524292573967
Percentage of ShorttermInvestmentFairValueDisclosure100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

caty:SolarTaxCreditsExpectedToBeRealized

caty:SolarTaxCreditsExpectedToBeRealized


Solar
Period End2020-12-31
Value9100000.0
Percentage of SolarTaxCreditsExpectedToBeRealized100.0

caty:StandbyLettersOfCreditFairValue

caty:StandbyLettersOfCreditFairValue


Standby
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312013-12-31
Value-2106000.0-1720000.0-1630000.0-1647000.0-1981000.0-2180000.0-2431000.0-2537000.0-2630000.0-2890000.0-2662000.0-1509000.0-1787000.0-1418000.0-1805000.0-1699000.0-995000.0-1038000.0-668000.0-839000.0-300000.0-199000.0-194000.0-216000.0-202000.0-238000.0-243000.0-205000.0
Percentage of StandbyLettersOfCreditFairValue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

caty:StandbyLettersOfCreditNotionalAmount

caty:StandbyLettersOfCreditNotionalAmount


Standby
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312013-12-31
Value222237234255262261282264255260245167169142140140979675747649494850495345
Percentage of StandbyLettersOfCreditNotionalAmount100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

caty:TemporarilyImpairedSecuritiesAsPercentageOfInvestmentSecurities

caty:TemporarilyImpairedSecuritiesAsPercentageOfInvestmentSecurities


Temporarily
Period End2020-12-31
Value17.9
Percentage of TemporarilyImpairedSecuritiesAsPercentageOfInvestmentSecurities100.0

caty:TroubledDebtRestructuringSpecificReserves us-gaap:ClassOfFinancingReceivableTypeOfBorrower

caty:TroubledDebtRestructuringSpecificReserves

caty:AccruingTroubledDebtRestructuring


Troubled
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-12-31
Value0.1970.0560.1223954321.01.21.31.21.5
Percentage of TroubledDebtRestructuringSpecificReserves100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

caty:NonaccruingTroubledDebtRestructuring


Troubled
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-12-31
Value0.0040.0010.0240.042532.20.1410.0540.0560.826
Percentage of TroubledDebtRestructuringSpecificReserves2.01.819.70.012.3220.011.84.24.755.1

us-gaap:AccruedBonusesCurrentAndNoncurrent

us-gaap:AccruedBonusesCurrentAndNoncurrent


Accrued
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-31
Value2100000.02000000.01900000.01800000.01700000.01600000.01500000.01100000.01100000.0995000.0
Percentage of AccruedBonusesCurrentAndNoncurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:AdvancesFromFederalHomeLoanBanks

us-gaap:AdvancesFromFederalHomeLoanBanks


Advances
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302011-12-312011-09-302011-06-302011-03-312010-12-31
Value2075150230230495670600550420530315480325430595475325350700555475275752104854255555216365213761261261462121225205250350550
Percentage of AdvancesFromFederalHomeLoanBanks100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:AdvancesFromFederalHomeLoanBanks us-gaap:DebtInstrument

caty:MatureInMay2021


Advances
Period End2021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-30
Value5.05.0808075757575
Percentage of AdvancesFromFederalHomeLoanBanks6.73.334.834.815.211.212.513.6

us-gaap:AdvancesFromFederalHomeLoanBanks us-gaap:FairValueByLiabilityClass

caty:NonOvernightBorrowings


Advances
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312015-12-31
Value2075150230230495220270420420330753207510514575757525
Percentage of AdvancesFromFederalHomeLoanBanks100.0100.0100.0100.0100.0100.032.845.076.4100.062.323.866.723.124.424.415.823.121.49.1

caty:OvernightBorrowings


Advances
Period End2020-12-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-31
Value0.04503301300.0200240160250325450400250275300230100250
Percentage of AdvancesFromFederalHomeLoanBanks0.067.255.023.60.037.776.233.376.975.675.684.276.978.642.941.421.190.9

us-gaap:AssetsFairValueDisclosure

us-gaap:AssetsFairValueDisclosure


Assets
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302013-12-312011-12-312011-09-302011-06-302010-12-31
Value103193610681110117613781484146215061344127513251514127813401372137212301316130012441488158913841548120513201342134315971301121511912012
Percentage of AssetsFairValueDisclosure100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap: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
Value1516182024279.8528.9977.5572.6251.7781.150.9831.50613
Percentage of AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedGainBeforeTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedGainBeforeTax us-gaap:FinancialInstrument

us-gaap:CorporateDebtSecurities


Available
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-31
Value0.6590.5260.3670.2880.3850.010.6050.5330.4650.2110.8181.020.7861.281.291
Percentage of AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedGainBeforeTax4.23.22.01.41.60.06.15.96.28.046.088.780.085.09.2

us-gaap:MortgageBackedSecurities


Available
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-31
Value1315172023278.5747.7146.3362.3910.960.130.1890.2260.241
Percentage of AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedGainBeforeTax87.292.595.796.396.499.387.085.783.891.154.011.319.215.01.7

us-gaap:USGovernmentCorporationsAndAgenciesSecurities


Available
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312017-12-31
Value1.3290.7050.4410.4650.4990.1510.6630.750.7150.0030.00.011
Percentage of AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedGainBeforeTax8.54.32.32.22.10.56.78.39.50.10.00.1

us-gaap:USTreasurySecurities


Available
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302019-12-312019-06-302019-03-312018-12-312018-06-30
Value0.0090.0110.0060.0120.0010.010.0410.020.00.008
Percentage of AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedGainBeforeTax0.10.10.00.10.00.10.50.80.00.8

us-gaap:AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedLossBeforeTax

us-gaap:AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedLossBeforeTax


Available
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-31
Value4.8466.1531.4591.2451.2052.8351.743.994.425152738353116
Percentage of AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedLossBeforeTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedLossBeforeTax us-gaap:FinancialInstrument

us-gaap:CollateralizedMortgageObligations


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
Value0.2740.0740.0340.0110.0130.0110.0170.0180.0180.0240.0280.0330.030.0270.017
Percentage of AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedLossBeforeTax5.71.22.30.91.10.41.00.50.40.20.10.10.10.10.1

us-gaap:CorporateDebtSecurities


Available
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-03-312017-12-31
Value0.5990.5490.2670.1470.0111.770.0230.0130.0430.2330.00.0250.017
Percentage of AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedLossBeforeTax12.48.918.311.80.962.41.30.31.01.50.00.10.1

us-gaap:MortgageBackedSecurities


Available
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-31
Value3.8365.2390.6060.5570.5080.6630.8241.3852.5468.191152218176.259
Percentage of AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedLossBeforeTax79.285.141.544.742.223.447.434.757.553.455.956.653.354.337.5

us-gaap:USGovernmentCorporationsAndAgenciesSecurities


Available
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-31
Value0.1370.2910.5460.530.6640.3910.3190.2730.1580.1660.1950.210.2080.0990.07
Percentage of AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedLossBeforeTax2.84.737.442.655.113.818.36.83.61.10.70.50.60.30.4

us-gaap:USTreasurySecurities


Available
Period End2020-12-312020-06-302019-12-312019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-31
Value0.0060.0090.00.00.0110.050.1140.1410.2470.357
Percentage of AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedLossBeforeTax0.40.70.00.00.10.20.30.40.82.1

us-gaap:AvailableForSaleDebtSecuritiesAmortizedCostBasis

us-gaap:AvailableForSaleDebtSecuritiesAmortizedCostBasis


Available
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302013-12-31
Value9918981019106011221330144314221468132212671320151012711336136413661230131712831227147615951378154711971324135513541637
Percentage of AvailableForSaleDebtSecuritiesAmortizedCostBasis100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:AvailableForSaleDebtSecuritiesAmortizedCostBasis us-gaap:FinancialInstrument

us-gaap:CollateralizedMortgageObligations


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
Value1010100.2220.3140.4590.5690.6830.7950.9051.0051.1191.2331.3981.533
Percentage of AvailableForSaleDebtSecuritiesAmortizedCostBasis1.01.11.00.00.00.00.00.00.10.10.10.10.10.10.1

us-gaap:CorporateDebtSecurities


Available
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-31
Value109931181461351611729898646464748080
Percentage of AvailableForSaleDebtSecuritiesAmortizedCostBasis11.010.411.613.812.112.112.07.06.74.95.14.95.06.36.0

us-gaap:MortgageBackedSecurities


Available
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-31
Value739658709709779883880880842701670648676655577
Percentage of AvailableForSaleDebtSecuritiesAmortizedCostBasis74.673.369.666.969.466.461.061.957.453.152.949.144.851.543.3

us-gaap:USGovernmentCorporationsAndAgenciesSecurities


Available
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-31
Value9295991041071109092765.6946.0666.7218.3978.7949.047
Percentage of AvailableForSaleDebtSecuritiesAmortizedCostBasis9.310.69.89.99.68.36.36.55.20.40.50.50.60.70.7

us-gaap:USTreasurySecurities


Available
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302019-12-312019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-31
Value40408099997449149124199348124249
Percentage of AvailableForSaleDebtSecuritiesAmortizedCostBasis4.14.57.99.48.95.23.411.39.815.123.19.818.7

us-gaap:AvailableForSaleSecuritiesContinuousUnrealizedLossPosition12MonthsOrLongerAccumulatedLoss

us-gaap:AvailableForSaleSecuritiesContinuousUnrealizedLossPosition12MonthsOrLongerAccumulatedLoss


Available
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302013-12-31
Value1.0710.891.0361191742124933.6494.3681526130.4910.3470.6021.1541.0341.6982.3291.671.5731.2651.2777.801225.246
Percentage of AvailableForSaleSecuritiesContinuousUnrealizedLossPosition12MonthsOrLongerAccumulatedLoss100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:AvailableForSaleSecuritiesContinuousUnrealizedLossPosition12MonthsOrLongerAccumulatedLoss us-gaap:InvestmentType

us-gaap:CollateralizedMortgageObligations


Available
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312018-12-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302013-12-31
Value0.010.0090.0090.2110.3010.4480.5520.0280.020.0220.0240.0260.0270.0290.030.0320.0340.0340.0350.05
Percentage of AvailableForSaleSecuritiesContinuousUnrealizedLossPosition12MonthsOrLongerAccumulatedLoss0.91.00.90.20.20.20.10.11.72.11.41.11.61.82.42.50.40.20.01.0

us-gaap:CorporateDebtSecurities


Available
Period End2021-06-302020-09-302020-06-302020-03-312019-12-312017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302013-12-31
Value0.2474538139510.1090.3290.8620.9371.6262.2171.4751.4421.0781.1651.2471.3551.4494.919
Percentage of AvailableForSaleSecuritiesContinuousUnrealizedLossPosition12MonthsOrLongerAccumulatedLoss23.138.322.165.510.531.454.774.790.695.895.288.391.785.291.216.06.00.093.8

us-gaap:MortgageBackedSecurities


Available
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312018-12-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302013-12-31
Value0.6770.6010.583101112164143.1120.0030.0030.0030.0020.0010.0010.0010.0010.0010.0010.0016.38620240.002
Percentage of AvailableForSaleSecuritiesContinuousUnrealizedLossPosition12MonthsOrLongerAccumulatedLoss63.267.556.39.16.55.833.355.323.30.60.90.50.20.10.10.00.10.10.10.181.993.00.00.0

us-gaap:USGovernmentCorporationsAndAgenciesSecurities


Available
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312018-12-31
Value0.1370.280.444626460520.118
Percentage of AvailableForSaleSecuritiesContinuousUnrealizedLossPosition12MonthsOrLongerAccumulatedLoss12.831.542.952.436.828.510.60.4

us-gaap:AvailableForSaleSecuritiesContinuousUnrealizedLossPositionAccumulatedLoss

us-gaap:AvailableForSaleSecuritiesContinuousUnrealizedLossPositionAccumulatedLoss


Available
Period End2021-06-302021-03-312020-12-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302013-12-31
Value4.8466.1531.4591.743.994.4251527383531169.38.71712141.3161.8562.875154.142100.0051960.0117992269
Percentage of AvailableForSaleSecuritiesContinuousUnrealizedLossPositionAccumulatedLoss100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:AvailableForSaleSecuritiesContinuousUnrealizedLossPositionAccumulatedLoss us-gaap:InvestmentType

us-gaap:CollateralizedMortgageObligations


Available
Period End2021-06-302021-03-312020-12-312019-12-312018-12-312017-12-312017-09-302016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302013-12-31
Value0.2740.0740.0340.0170.0280.0170.0050.020.0220.0240.0260.0270.0290.033.2e-053.4e-050.0340.0350.054
Percentage of AvailableForSaleSecuritiesContinuousUnrealizedLossPositionAccumulatedLoss5.71.22.31.00.10.10.10.11.71.30.90.20.70.30.60.30.10.00.1

us-gaap:CorporateDebtSecurities


Available
Period End2021-06-302021-03-312020-12-312019-12-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302013-12-31
Value0.5990.5490.2670.0230.0170.0050.1090.3360.8620.9371.7792.2671.5251.4921.0780.0011650.0012471.3551.4494.949
Percentage of AvailableForSaleSecuritiesContinuousUnrealizedLossPositionAccumulatedLoss12.48.918.31.30.10.11.32.85.871.295.978.99.636.09.922.410.66.00.07.1

us-gaap:MortgageBackedSecurities


Available
Period End2021-06-302021-03-312020-12-312019-12-312018-12-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302013-12-31
Value3.8365.2390.6060.824156.2592.3622.483.1233.290.0020.0060.004112.1959.6540.0003336.386212464
Percentage of AvailableForSaleSecuritiesContinuousUnrealizedLossPositionAccumulatedLoss79.285.141.547.455.937.525.428.525.722.00.20.30.171.653.088.46.454123.292.90.092.4

us-gaap:USGovernmentCorporationsAndAgenciesSecurities


Available
Period End2021-06-302021-03-312020-12-312019-12-312018-12-312017-12-31
Value0.1370.2910.5460.3190.1950.07
Percentage of AvailableForSaleSecuritiesContinuousUnrealizedLossPositionAccumulatedLoss2.84.737.418.30.70.4

us-gaap:USTreasurySecurities


Available
Period End2020-12-312018-12-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-03-312015-12-312014-12-312014-09-302014-06-302013-12-31
Value0.0060.0510.3570.3050.5240.4110.8570.0240.0070.3950.0002650.0290.0010.001
Percentage of AvailableForSaleSecuritiesContinuousUnrealizedLossPositionAccumulatedLoss0.40.22.13.36.03.45.71.80.22.52.20.10.00.0

us-gaap:AvailableForSaleSecuritiesContinuousUnrealizedLossPositionFairValue

us-gaap:AvailableForSaleSecuritiesContinuousUnrealizedLossPositionFairValue


Available
Period End2021-06-302021-03-312020-12-312019-12-312019-09-302019-06-302019-03-312018-12-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302013-12-312012-09-302012-06-302011-12-312011-09-302011-06-302010-12-31
Value37828418549369382410531076118111641301116610533626091145976311371978718889833904964244456081035
Percentage of AvailableForSaleSecuritiesContinuousUnrealizedLossPositionFairValue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:AvailableForSaleSecuritiesContinuousUnrealizedLossPositionFairValue us-gaap:InvestmentType

us-gaap:CollateralizedMortgageObligations


Available
Period End2021-06-302021-03-312020-12-312019-12-312018-12-312017-12-312017-09-302016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302011-12-31
Value9.73610100.5520.9771.5161.710.0280.030.0320.0340.0360.0380.040.0410.0450.0460.0460.0430.3690.40.3990.4170.4390.5190.4980.57
Percentage of AvailableForSaleSecuritiesContinuousUnrealizedLossPositionFairValue2.63.65.60.10.10.10.10.00.00.10.00.00.00.00.00.00.00.00.00.00.00.00.00.00.10.10.1

us-gaap:CorporateDebtSecurities


Available
Period End2021-06-302021-03-312020-12-312019-12-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302011-12-31
Value603958515.0155.02929342954535253534343636363122110132162205305329322358
Percentage of AvailableForSaleSecuritiesContinuousUnrealizedLossPositionFairValue15.913.831.410.50.40.42.33.02.814.987.357.83.77.03.922.27.37.20.00.011.20.00.00.00.084.465.084.5

us-gaap:MortgageBackedSecurities


Available
Period End2021-06-302021-03-312020-12-312019-12-312018-12-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302011-12-31
Value3051989.7871645565213593023143280.3091.7630.435102570310871454256446368887928839013210.4010.1770.2630.599
Percentage of AvailableForSaleSecuritiesContinuousUnrealizedLossPositionFairValue80.869.85.333.351.744.130.923.226.931.20.12.90.570.292.295.673.548.872.50.00.080.60.00.00.00.00.00.10.1

us-gaap:USGovernmentCorporationsAndAgenciesSecurities


Available
Period End2021-06-302021-03-312020-12-312019-12-312018-12-312017-12-31
Value2.4753666525.8715.711
Percentage of AvailableForSaleSecuritiesContinuousUnrealizedLossPositionFairValue0.712.835.710.60.50.5

us-gaap:USTreasurySecurities


Available
Period End2020-12-312018-12-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-03-312015-12-312014-12-312014-09-302014-06-302013-12-312013-06-302012-12-312012-09-302012-06-30
Value40124249389569419299149292243741749975994949159
Percentage of AvailableForSaleSecuritiesContinuousUnrealizedLossPositionFairValue22.011.621.133.543.736.028.441.332.815.442.919.70.07.60.00.012.832.2

us-gaap:AvailableForSaleSecuritiesContinuousUnrealizedLossPositionLessThan12MonthsAccumulatedLoss

us-gaap:AvailableForSaleSecuritiesContinuousUnrealizedLossPositionLessThan12MonthsAccumulatedLoss


Available
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302013-12-31
Value3.7755.2630.4230.2610.4491.7660.2310.3410.0570.2620.633.3438.8098.3711130.2820.1580.546142.5699.6553.9193.9980.1864
Percentage of AvailableForSaleSecuritiesContinuousUnrealizedLossPositionLessThan12MonthsAccumulatedLoss100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:AvailableForSaleSecuritiesContinuousUnrealizedLossPositionLessThan12MonthsAccumulatedLoss us-gaap:InvestmentType

us-gaap:CollateralizedMortgageObligations


Available
Period End2021-06-302021-03-312020-12-312020-06-302020-03-312019-12-312018-12-312017-12-312017-09-302013-12-31
Value0.2640.0650.0250.00.00.00.00.0170.0050.004
Percentage of AvailableForSaleSecuritiesContinuousUnrealizedLossPositionLessThan12MonthsAccumulatedLoss7.01.25.90.00.00.00.00.50.10.0

us-gaap:CorporateDebtSecurities


Available
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312017-12-312017-09-302017-03-312016-06-302016-03-312015-12-312015-09-302013-12-31
Value0.3520.5490.2670.1470.0111.5220.0230.0170.0050.0070.1530.050.050.050.03
Percentage of AvailableForSaleSecuritiesContinuousUnrealizedLossPositionLessThan12MonthsAccumulatedLoss9.310.463.156.32.486.210.00.50.10.196.89.20.41.90.0

us-gaap:MortgageBackedSecurities


Available
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312018-12-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-09-302014-06-302013-12-31
Value3.1594.6380.0230.020.010.0040.0360.5023.1472.3592.4773.123.2880.0010.0050.003112.1949.6530.3320.1510.00164
Percentage of AvailableForSaleSecuritiesContinuousUnrealizedLossPositionLessThan12MonthsAccumulatedLoss83.788.15.47.72.20.215.679.794.126.829.627.023.80.43.20.580.085.4100.08.583.90.099.9

us-gaap:USGovernmentCorporationsAndAgenciesSecurities


Available
Period End2021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312018-12-312017-12-31
Value0.0110.1020.0940.4190.240.1720.0770.07
Percentage of AvailableForSaleSecuritiesContinuousUnrealizedLossPositionLessThan12MonthsAccumulatedLoss0.224.136.093.313.674.512.22.1

us-gaap:USTreasurySecurities


Available
Period End2020-12-312020-06-302018-12-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-03-312015-12-312014-12-312014-09-302014-06-302013-12-31
Value0.0060.0090.0510.0620.0460.5240.4110.8570.0240.0070.3950.2650.0290.0010.001
Percentage of AvailableForSaleSecuritiesContinuousUnrealizedLossPositionLessThan12MonthsAccumulatedLoss1.42.08.11.90.56.33.66.28.51.32.86.616.10.00.0

us-gaap:AvailableForSaleSecuritiesContinuousUnrealizedLossPositionLessThanTwelveMonthsFairValue

us-gaap:AvailableForSaleSecuritiesContinuousUnrealizedLossPositionLessThanTwelveMonthsFairValue


Available
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-31