EWBC


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

Table of contents



us-gaap:CommonStockValue
us-gaap:ConsolidatedEntities

us-gaap:WeightedAverageNumberOfDilutedSharesOutstanding

us-gaap:WeightedAverageNumberOfSharesOutstandingBasic
us-gaap:AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareByAntidilutiveSecurities
us-gaap:AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount

us-gaap:EarningsPerShareBasic

us-gaap:EarningsPerShareDiluted
dei:LegalEntity
us-gaap:TierOneRiskBasedCapitalToRiskWeightedAssets
dei:LegalEntity
us-gaap:CapitalToRiskWeightedAssets

us-gaap:ComprehensiveIncomeNetOfTax

us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest
us-gaap:StatementBusinessSegments

us-gaap:IncomeTaxExpenseBenefit

us-gaap:IncomeTaxesPaidNet

us-gaap:InterestAndFeeIncomeLoansAndLeases

us-gaap:InterestExpense

us-gaap:InterestIncomeExpenseNet
us-gaap:StatementBusinessSegments

us-gaap:InterestPaidNet

us-gaap:NetIncomeLoss
us-gaap:StatementBusinessSegments
us-gaap:StatementEquityComponents

us-gaap:NetIncomeLossAvailableToCommonStockholdersBasic

us-gaap:NetIncomeLossAvailableToCommonStockholdersDiluted

us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax
us-gaap:ProductOrService
us-gaap:ProductOrService, us-gaap:StatementBusinessSegments
us-gaap:StatementBusinessSegments

us-gaap:Assets
us-gaap:ConsolidatedEntities
us-gaap:StatementBusinessSegments

us-gaap:Liabilities
us-gaap:ConsolidatedEntities

us-gaap:LiabilitiesAndStockholdersEquity
us-gaap:ConsolidatedEntities

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

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

us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents
us-gaap:ConsolidatedEntities

us-gaap:AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment
us-gaap:FiniteLivedIntangibleAssetsByMajorClass
us-gaap:AmortizationOfIntangibleAssets

us-gaap:PropertyPlantAndEquipmentNet

us-gaap:Goodwill
us-gaap:FiniteLivedIntangibleAssetsByMajorClass
us-gaap:FiniteLivedIntangibleAssetsNet

us-gaap:DeferredTaxAssetsLiabilitiesNet

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

us-gaap:OtherAssets
us-gaap:ConsolidatedEntities

us-gaap:TimeDepositMaturitiesYearOne
us-gaap:ConsolidatedEntities
us-gaap:LongTermDebt
us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementBasis
us-gaap:FairValueByMeasurementBasis

us-gaap:LongTermDebtAndCapitalLeaseObligations

us-gaap:OperatingLeaseLiability

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

us-gaap:CommonStockValue
us-gaap:ConsolidatedEntities

us-gaap:AdditionalPaidInCapital
us-gaap:ConsolidatedEntities

us-gaap:RetainedEarningsAccumulatedDeficit
us-gaap:ConsolidatedEntities

us-gaap:AccumulatedOtherComprehensiveIncomeLossNetOfTax
us-gaap:ConsolidatedEntities

us-gaap:TreasuryStockValue
us-gaap:ConsolidatedEntities

us-gaap:NetCashProvidedByUsedInOperatingActivities

us-gaap:NetCashProvidedByUsedInInvestingActivities

us-gaap:NetCashProvidedByUsedInFinancingActivities

us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect

us-gaap:DeferredIncomeTaxExpenseBenefit

us-gaap:DepreciationDepletionAndAmortization

us-gaap:NetCashProvidedByUsedInOperatingActivities

us-gaap:NetIncomeLoss
us-gaap:StatementBusinessSegments
us-gaap:StatementEquityComponents

us-gaap:ShareBasedCompensation

us-gaap:NetCashProvidedByUsedInInvestingActivities

us-gaap:PaymentsToAcquirePropertyPlantAndEquipment

us-gaap:NetCashProvidedByUsedInFinancingActivities

us-gaap:PaymentsForRepurchaseOfCommonStock

us-gaap:DeferredTaxAssetsNet

us-gaap:UnrecognizedTaxBenefits

us-gaap:ProceedsFromRepaymentsOfShortTermDebt

ewbc:AccretionAmortizationofDiscountandPremiumsNet
us-gaap:FinancingReceivablePortfolioSegment
ewbc:AllowanceForUnfundedCreditCommitmentsPeriodIncreaseDecrease

ewbc:AssetsPurchasedUnderAgreementstoRepurchaseInterestRate

ewbc:AssetsPurchasedUnderAgreementstoResellYield
ewbc:AssetsPurchasedUnderResaleAgreements

ewbc:AssetsSoldUnderAgreementsToRepurchaseWeightedAverageInterestRate

ewbc:ComputerSoftwareExpense

ewbc:DepositAccountExpense

ewbc:Depositaccountfees

ewbc:Depositrelatedexpenses

ewbc:DividendIncomeInvestmentsinFederalHomeLoanBankandFederalReserveBankStock

ewbc:FinancingReceivableAllowanceForCreditLossWriteOffNetOfRecovery
us-gaap:FinancingReceivablePortfolioSegment
us-gaap:FinancingReceivablePortfolioSegment, us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable
us-gaap:MortgageLoansOnRealEstateDescriptionTypeOfProperty, us-gaap:FinancingReceivablePortfolioSegment, us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable
us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable
ewbc:FinancingReceivableAmountConvertedtoTermLoans

ewbc:FinancingReceivableAndOffBalanceSheetCreditLossAllowancePeriodIncreaseDecrease

ewbc:Foreignexchangeincome

ewbc:InterestIncomeAssetsPurchasedUnderAgreementsToResell

ewbc:Interestratecontractsandotherderivativeincome

ewbc:Lendingfees

ewbc:LoansPurchasedUnderAgreementsToResellIncrease

ewbc:NetReductiontoInterestIncome

ewbc:NewEquitySecuritiesWithoutReadilyDeterminableFairValue

ewbc:NoninterestExpenseAmortizationofTaxCreditandOtherInvestments
us-gaap:DerivativeInstrumentRisk, us-gaap:DerivativeInstrumentsGainLossByHedgingRelationship, us-gaap:HedgingDesignation
ewbc:OtherComprehensiveIncomeLossNetInvestmentHedgeGainLoss

ewbc:OtherSourcesOfNoninterestIncome
us-gaap:StatementBusinessSegments

ewbc:PaymentsForAssetsPurchasedUnderAgreementsToResell

ewbc:PaymentsToAcquireOtherFinancingReceivables

ewbc:PaymentsforProceedsfromQualifiedAffordableHousingPartnershipsandOtherTaxCreditInvestments

ewbc:ProceedsFromAssetsPurchasedUnderAgreementsToResell

ewbc:ProvisionForReversalOfCreditLossesOnLoansAndProvisionForLoanLosses
us-gaap:FinancingReceivablePortfolioSegment, us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable
us-gaap:MortgageLoansOnRealEstateDescriptionTypeOfProperty, us-gaap:FinancingReceivablePortfolioSegment, us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable

ewbc:RepaymentsOfRepurchaseAgreement

ewbc:SecuritiesSoldUnderAgreementsToRepurchaseChargesRelatedToExtinguishment
us-gaap:Range, us-gaap:AwardType
ewbc:SharebasedCompensationArrangementbySharebasedPaymentAwardPercentageofTargetAwardAvailableforGrant

ewbc:StockIssuedAndRepurchasedDuringPeriodValue
us-gaap:StatementEquityComponents
us-gaap:ScheduleOfEquityMethodInvestmentEquityMethodInvesteeName
ewbc:TaxCreditInvestmentsPreTaxRecoveries

ewbc:TaxExpenseonSaleofAvailableforSaleDebtInvestmentSecurities

ewbc:TransferofFinancingReceivablesToForeclosedAssets

ewbc:TransferofPortfolioandLeasestoHeldforsaleIncludingLoansTransferredfromHeldforInvestmenttoBranchAssetsHeldforsale

ewbc:Wealthmanagementfees

us-gaap:AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivities

us-gaap:AffordableHousingTaxCreditsAndOtherTaxBenefitsAmount

us-gaap:AllowanceForLoanAndLeaseLossesWriteOffs

us-gaap:AmortizationMethodQualifiedAffordableHousingProjectInvestmentsAmortization
us-gaap:ScheduleOfEquityMethodInvestmentEquityMethodInvesteeName
us-gaap:AssetImpairmentCharges
us-gaap:FairValueByAssetClass, us-gaap:FairValueByMeasurementFrequency
us-gaap:AssetsFairValueAdjustment
us-gaap:FairValueByAssetClass, us-gaap:FairValueByMeasurementFrequency, us-gaap:FinancingReceivablePortfolioSegment
us-gaap:FairValueByAssetClass, us-gaap:FairValueByMeasurementFrequency, us-gaap:FinancingReceivablePortfolioSegment, us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable
us-gaap:DerivativeInstrumentRisk, us-gaap:DerivativeInstrumentsGainLossByHedgingRelationship, us-gaap:HedgingDesignation, us-gaap:IncomeStatementLocation
us-gaap:ChangeInUnrealizedGainLossOnFairValueHedgingInstruments1
us-gaap:DerivativeInstrumentsGainLossByHedgingRelationship, us-gaap:FinancialInstrument, us-gaap:HedgingDesignation, us-gaap:IncomeStatementLocation
us-gaap:ChangeInUnrealizedGainLossOnHedgedItemInFairValueHedge1

us-gaap:DebtSecuritiesAvailableForSaleRealizedGain

us-gaap:DebtSecuritiesAvailableForSaleRealizedGainLossExcludingOtherThanTemporaryImpairment
us-gaap:DerivativeInstrumentRisk, us-gaap:HedgingDesignation, us-gaap:IncomeStatementLocation
us-gaap:DerivativeInstrumentsNotDesignatedAsHedgingInstrumentsGainLossNet
us-gaap:HedgingDesignation
ewbc:DerivativeRiskCategory, us-gaap:CounterpartyName, us-gaap:Energy, us-gaap:DerivativeInstrumentRisk, us-gaap:HedgingDesignation
us-gaap:DerivativeNonmonetaryNotionalAmountEnergyMeasure
us-gaap:CounterpartyName, us-gaap:Energy
us-gaap:CounterpartyName, us-gaap:Energy, us-gaap:DerivativeInstrumentRisk, us-gaap:HedgingDesignation

us-gaap:DividendsCommonStockCash
us-gaap:StatementEquityComponents

us-gaap:EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents

us-gaap:EmployeeServiceShareBasedCompensationTaxBenefitFromCompensationExpense

us-gaap:EquityMethodInvestmentDividendsOrDistributions
us-gaap:DerivativeInstrumentRisk, us-gaap:IncomeStatementLocation
us-gaap:FairValueAssetsMeasuredOnRecurringBasisChangeInUnrealizedGainLoss
us-gaap:DerivativeInstrumentRisk, us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementFrequency
us-gaap:FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetGainLossIncludedInEarnings1
us-gaap:DerivativeInstrumentRisk, us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementFrequency
us-gaap:FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetSettlements
us-gaap:DerivativeInstrumentRisk, us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementFrequency
us-gaap:FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetTransfersOutOfLevel3

us-gaap:FederalDepositInsuranceCorporationPremiumExpense

us-gaap:FinancingReceivableAllowanceForCreditLossForeignCurrencyTranslation
us-gaap:FinancingReceivablePortfolioSegment
us-gaap:FinancingReceivablePortfolioSegment, us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable

us-gaap:FinancingReceivableAllowanceForCreditLossesPeriodIncreaseDecrease
us-gaap:FinancingReceivablePortfolioSegment

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

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

us-gaap:FinancingReceivableModificationsPostModificationRecordedInvestment2

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

us-gaap:FinancingReceivableModificationsSubsequentDefaultRecordedInvestment1
us-gaap:FinancingReceivablePortfolioSegment
us-gaap:FinancingReceivablePortfolioSegment, us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable

us-gaap:FinancingReceivableNonaccrualInterestIncome

us-gaap:FinancingReceivableSignificantPurchases
us-gaap:FinancingReceivablePortfolioSegment, us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable
us-gaap:MortgageLoansOnRealEstateDescriptionTypeOfProperty, us-gaap:FinancingReceivablePortfolioSegment, us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable

us-gaap:FinancingReceivableSignificantSales
us-gaap:FinancialInstrument, us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable
us-gaap:FinancingReceivablePortfolioSegment, us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable
us-gaap:MortgageLoansOnRealEstateDescriptionTypeOfProperty, us-gaap:FinancialInstrument, us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable
us-gaap:MortgageLoansOnRealEstateDescriptionTypeOfProperty, us-gaap:FinancingReceivablePortfolioSegment, us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable

us-gaap:FinancingReceivableTransferToHeldForSaleAllowanceForCreditLossExpenseReversal
us-gaap:FinancingReceivablePortfolioSegment, us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable

us-gaap:FinancingReceivablesImpairedTroubledDebtRestructuringWriteDown
us-gaap:FinancingReceivablePortfolioSegment
us-gaap:FinancingReceivablePortfolioSegment, us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable

us-gaap:GainLossOnSalesOfLoansNet

us-gaap:IncreaseDecreaseInAccruedLiabilitiesAndOtherOperatingLiabilities

us-gaap:IncreaseDecreaseInDeposits

us-gaap:IncreaseDecreaseInOtherOperatingAssets

us-gaap:InformationTechnologyAndDataProcessing

us-gaap:InterestAndDividendIncomeOperating

us-gaap:InterestExpenseDeposits

us-gaap:InterestExpenseFederalHomeLoanBankAndFederalReserveBankAdvancesLongTerm

us-gaap:InterestExpenseOtherLongTermDebt

us-gaap:InterestExpenseOtherShortTermBorrowings

us-gaap:InterestExpenseSecuritiesSoldUnderAgreementsToRepurchase

us-gaap:InterestIncomeDebtSecuritiesAvailableForSaleOperating

us-gaap:InterestIncomeDepositsWithFinancialInstitutions

us-gaap:InterestIncomeExpenseAfterProvisionForLoanLoss

us-gaap:InterestIncomeSecuritiesPurchasedUnderAgreementsToResell

us-gaap:LaborAndRelatedExpense

us-gaap:LegalFees

us-gaap:MarketableSecuritiesUnrealizedGainLoss

us-gaap:NoninterestExpense
us-gaap:StatementBusinessSegments

us-gaap:NoninterestIncome
us-gaap:StatementBusinessSegments

us-gaap:NoninterestIncomeOther

us-gaap:NoninterestIncomeOtherOperatingIncome

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

us-gaap:OtherComprehensiveIncomeAvailableforsaleSecuritiesAdjustmentNetOfTaxPortionAttributableToParent

us-gaap:OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationAdjustmentNetOfTaxPortionAttributableToParent
us-gaap:StatementEquityComponents
us-gaap:OtherComprehensiveIncomeLossBeforeReclassificationsTax

us-gaap:OtherComprehensiveIncomeLossBeforeTaxPortionAttributableToParent
us-gaap:StatementEquityComponents

us-gaap:OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationAndTaxParent
us-gaap:DerivativeInstrumentRisk, us-gaap:DerivativeInstrumentsGainLossByHedgingRelationship, us-gaap:HedgingDesignation
us-gaap:OtherComprehensiveIncomeLossCashFlowHedgeGainLossBeforeReclassificationAndTax
us-gaap:DerivativeInstrumentRisk, us-gaap:DerivativeInstrumentsGainLossByHedgingRelationship, us-gaap:HedgingDesignation
us-gaap:OtherComprehensiveIncomeLossCashFlowHedgeGainLossReclassificationBeforeTax

us-gaap:OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent
us-gaap:StatementEquityComponents

us-gaap:OtherComprehensiveIncomeLossTaxPortionAttributableToParent1
us-gaap:StatementEquityComponents

us-gaap:OtherNoninterestExpense

us-gaap:OtherOperatingActivitiesCashFlowStatement

us-gaap:PaymentsForOriginationAndPurchasesOfLoansHeldForSale

us-gaap:PaymentsForProceedsFromOtherInvestingActivities

us-gaap:PaymentsForSecuritiesPurchasedUnderAgreementsToResell

us-gaap:PaymentsOfOrdinaryDividends

us-gaap:PaymentsRelatedToTaxWithholdingForShareBasedCompensation

us-gaap:PaymentsToAcquireAvailableForSaleSecuritiesDebt

us-gaap:PaymentsToAcquireFinanceReceivables

us-gaap:ProceedsFromEquityMethodInvestmentDividendsOrDistributionsReturnOfCapital

us-gaap:ProceedsFromFederalHomeLoanBankBorrowings

us-gaap:ProceedsFromIssuanceOfSharesUnderIncentiveAndShareBasedCompensationPlansIncludingStockOptions

us-gaap:ProceedsFromMaturitiesPrepaymentsAndCallsOfAvailableForSaleSecurities

us-gaap:ProceedsFromPaymentsForInInterestBearingDepositsInBanks

us-gaap:ProceedsFromSaleAndCollectionOfLoansHeldforsale

us-gaap:ProceedsFromSaleOfAvailableForSaleSecuritiesDebt

us-gaap:ProceedsFromSaleOfFinanceReceivables

us-gaap:ProceedsFromSaleOfPropertyPlantAndEquipment

us-gaap:ProceedsFromSecuritiesPurchasedUnderAgreementsToResell

us-gaap:ProfessionalFees

us-gaap:ProvisionForLoanLeaseAndOtherLosses
us-gaap:FinancingReceivablePortfolioSegment
us-gaap:FinancingReceivablePortfolioSegment, us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable
us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable
us-gaap:MortgageLoansOnRealEstateDescriptionTypeOfProperty, us-gaap:FinancingReceivablePortfolioSegment, us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable
us-gaap:StatementBusinessSegments
us-gaap:StatementEquityComponents
us-gaap:ReclassificationFromAociCurrentPeriodBeforeTaxAttributableToParent
us-gaap:StatementEquityComponents
us-gaap:ReclassificationFromAociCurrentPeriodNetOfTaxAttributableToParent
us-gaap:StatementEquityComponents
us-gaap:ReclassificationFromAociCurrentPeriodTax
us-gaap:DebtInstrument, us-gaap:SubsequentEventType
us-gaap:RepaymentsOfDebt

us-gaap:RepaymentsOfFederalHomeLoanBankBorrowings

us-gaap:RepaymentsOfOtherLongTermDebt
us-gaap:AwardType
us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeituresWeightedAverageGrantDateFairValue
us-gaap:AwardType
us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue
us-gaap:AwardType
us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodWeightedAverageGrantDateFairValue

us-gaap:StockIssuedDuringPeriodValueShareBasedCompensation
us-gaap:StatementEquityComponents

us-gaap:StockRepurchasedDuringPeriodValue

us-gaap:TransferOfPortfolioLoansAndLeasesToHeldForSale1
us-gaap:FinancingReceivablePortfolioSegment, us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable

us-gaap:TransferToOtherRealEstate

us-gaap:TreasuryStockAcquiredAverageCostPerShare

us-gaap:TreasuryStockValueAcquiredCostMethod
us-gaap:StatementEquityComponents

us-gaap:WeightedAverageNumberDilutedSharesOutstandingAdjustment

ewbc:AllowanceforUnfundedCreditCommitments
ewbc:TypeofGuarantees, us-gaap:BalanceSheetLocation, us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable, us-gaap:LossContingenciesByNatureOfContingency
ewbc:TypeofGuarantees, us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable, us-gaap:LossContingenciesByNatureOfContingency
us-gaap:BalanceSheetLocation
us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable

ewbc:AssetsPurchasedUnderAgreementsToResell
us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementBasis
us-gaap:FairValueByMeasurementBasis

ewbc:AssetsPurchasedUnderAgreementsToResellAmountOffsetAgainstCollateral

ewbc:AssetsPurchasedUnderAgreementsToResellCollateralObligationToReturnAssets

ewbc:AssetsPurchasedUnderAgreementsToResellGross
dei:LegalEntity, us-gaap:Range
ewbc:CapitalRequiredForCapitalAdequacyToRiskWeightedAssetsPlusTransitionCapitalConservationBuffer
dei:LegalEntity, us-gaap:Range
ewbc:CommonEquityTierOneRiskBasedCapitalRequiredForCapitalAdequacyToRiskWeightedAssetsPlusTransitionCapitalConservationBuffer

ewbc:DeferredTaxAssetsInterestincomeonnonaccrualloans

ewbc:DeferredTaxAssetsInvestmentsinQualifiedAffordableHousingPartnershipsTaxCreditandOtherInvestmentsNet

ewbc:DeferredTaxAssetsOperatingLeaseLiability

ewbc:DeferredTaxLiabilitiesAcquiredDebt

ewbc:DeferredTaxLiabilitiesAffordableHousingPartnershipsTaxCreditAndOtherInvestmentsnet

ewbc:DeferredTaxLiabilitiesFederalHomeLoanBankStockDividends

ewbc:DeferredTaxLiabilitiesOperatingLeaseRightofUseAsset
us-gaap:RetirementPlanType
ewbc:DefinedBenefitPlanExpectedFutureBenefitPayments
us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementBasis
ewbc:Demandcheckingsavingsandmoneymarket
us-gaap:FairValueByMeasurementBasis

ewbc:DerivativeAssetsSubjectToMasterNettingArrangementsGrossAmountsRecognized

ewbc:DerivativeCashCollateralPostedAgainstDerivativeLiabilitiesIncludingAmountOffsettheDerivativeFairValueLiabilitiesandExcessCashAmount

ewbc:DerivativeCashCollateralReceivedIncludingAmountOffsetbyFairValueAssetsandExcessCashAmount

ewbc:DerivativeLiabilitySubjectToMasterNettingArrangementsGrossAmountsRecognized
us-gaap:DerivativeInstrumentRisk, us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementFrequency, us-gaap:MeasurementInputType
ewbc:EquityContractsMeasurementInput
us-gaap:Range, us-gaap:DerivativeInstrumentRisk, us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementFrequency, us-gaap:MeasurementInputType
us-gaap:Range, us-gaap:DerivativeInstrumentRisk, us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementFrequency, us-gaap:MeasurementInputType, us-gaap:ValuationTechnique
us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable, us-gaap:LoansInsuredOrGuaranteedByGovernmentAuthorities
ewbc:FinancingReceivableAmountOfLoansAuthorizedOutstandingBalance

ewbc:FinancingReceivableAndOffBalanceSheetCreditLossAllowance
us-gaap:FinancingReceivablePortfolioSegment
ewbc:FinancingReceivableCollateralDependent

ewbc:FinancingReceivableForeclosedAssets
us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable, us-gaap:LoansInsuredOrGuaranteedByGovernmentAuthorities
ewbc:FinancingReceivableNumberOfLoansAuthorized
us-gaap:LoansInsuredOrGuaranteedByGovernmentAuthorities
ewbc:FinancingReceivableRecordedInvestment90DaysPastDueAndStillAccruingClassifiedAsPass

ewbc:FinancingReceivableRevolvingConvertedtoTermLoans
us-gaap:FinancingReceivablePortfolioSegment
us-gaap:FinancingReceivablePortfolioSegment, us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable
us-gaap:FinancingReceivablePortfolioSegment, us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable, us-gaap:InternalCreditAssessment
us-gaap:FiniteLivedIntangibleAssetsByMajorClass
ewbc:FiniteLivedIntangibleAssetsExpectedAmortizationAfterYearFour
ewbc:TypeofGuarantees, us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable, us-gaap:LossContingenciesByNatureOfContingency
ewbc:GuarantorObligationsMaximumExposureUndiscountedExpireAfterYearFive
ewbc:TypeofGuarantees, us-gaap:LossContingenciesByNatureOfContingency
ewbc:TypeofGuarantees, us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable, us-gaap:LossContingenciesByNatureOfContingency
ewbc:GuarantorObligationsMaximumExposureUndiscountedExpireInNextTwelveMonths
ewbc:TypeofGuarantees, us-gaap:LossContingenciesByNatureOfContingency
ewbc:TypeofGuarantees, us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable, us-gaap:LossContingenciesByNatureOfContingency
ewbc:GuarantorObligationsMaximumExposureUndiscountedExpireInYearTwoThroughThree
ewbc:TypeofGuarantees, us-gaap:LossContingenciesByNatureOfContingency
ewbc:TypeofGuarantees, us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable, us-gaap:LossContingenciesByNatureOfContingency
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us-gaap:JuniorSubordinatedNotes

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us-gaap:SecuritiesPurchasedUnderAgreementsToResellCollateralObligationToReturnSecurities

us-gaap:SecuritiesPurchasedUnderAgreementsToResellGross

us-gaap:SecuritiesSoldUnderAgreementsToRepurchase
us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementBasis
us-gaap:FairValueByMeasurementBasis

us-gaap:SecuritiesSoldUnderAgreementsToRepurchaseAmountOffsetAgainstCollateral

us-gaap:SecuritiesSoldUnderAgreementsToRepurchaseCollateralRightToReclaimSecurities

us-gaap:SecuritiesSoldUnderAgreementsToRepurchaseGross
us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementBasis
us-gaap:ServicingAssetAtAmortizedValue
us-gaap:FairValueByMeasurementBasis
us-gaap:AwardType
us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue
us-gaap:PlanName
us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAvailableForGrant
us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementBasis
us-gaap:ShortTermBorrowings
us-gaap:FairValueByMeasurementBasis
dei:LegalEntity
us-gaap:TierOneLeverageCapital

us-gaap:TierOneLeverageCapitalRequiredForCapitalAdequacyToAverageAssets
dei:LegalEntity, us-gaap:Range
dei:LegalEntity
us-gaap:TierOneLeverageCapitalToAverageAssets

us-gaap:TierOneRiskBasedCapitalRequiredForCapitalAdequacyToRiskWeightedAssets

us-gaap:TimeDepositMaturitiesAfterYearFive

us-gaap:TimeDepositMaturitiesYearFive

us-gaap:TimeDepositMaturitiesYearFour

us-gaap:TimeDepositMaturitiesYearThree

us-gaap:TimeDepositMaturitiesYearTwo

us-gaap:TimeDeposits
us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementBasis
us-gaap:FairValueByMeasurementBasis
us-gaap:StatementGeographical

us-gaap:TimeDeposits100000OrMore
us-gaap:GeographicDistribution
us-gaap:TimeDepositsAtOrAboveFDICInsuranceLimit
us-gaap:StatementGeographical, us-gaap:GeographicDistribution

us-gaap:TimeDepositsLessThan100000

us-gaap:UnamortizedLoanCommitmentAndOriginationFeesAndUnamortizedDiscountsOrPremiums

us-gaap:UnusedCommitmentsToExtendCredit

Plots across concepts


IncomeStatement
Revenue From Contract With Customer Excluding Assessed Tax
Expenses
Interest Expense
Balance Sheet
Operating Lease Right Of Use Asset
Assets
Property Plant And Equipment Net
Current Assets
Cash And Cash Equivalents At Carrying Value
NonCurrent Assets
Property Plant And Equipment Net
PropertyPlantAndEquipmentNet
Property Plant And Equipment Net
Liabilities
Operating Lease Liability
Noncurrent Liabilities
Long Term Debt And Capital Lease Obligations
Stockholders Equity
Accumulated Other Comprehensive Income Loss Net Of Tax
CashFlow
Net Cash Provided By Used In Investing Activities
NetCashProvidedByUsedInOperatingActivities
Share Based Compensation
NetCashProvidedByUsedInInvestingActivities
Net Cash Provided By Used In Investing Activities
NetCashProvidedByUsedInFinancingActivities
Payments For Repurchase Of Common Stock
Shares
Weighted Average Number Of Shares Outstanding Basic
DividendsAndRepurchase
Payments For Repurchase Of Common Stock
BanksAndOrInsurance
Derivative Asset Collateral Obligation To Return Cash Offset
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 ██▇▇▇▇▇▅▅▅▅▅▅▅▄▄▄▂▂▂▂▂▂▂▂▂▂▁▁▁▁0.1680.1680.1670.1670.1670.1670.1670.1660.1660.1660.1660.1660.1660.1660.1650.1650.1650.1640.1640.1640.1640.1640.1640.1640.1640.1640.1640.1630.1630.1630.163NANANA0.157NANANANA0.1560.1560.1560.156NANANA
us-gaap:WeightedAverageNumberOfDilutedSharesOutstanding █▁143.04142.844NA142.043141.827145.285146.318146.12146.052145.921146.133146.173146.091145.939146.03145.882145.74145.732145.428145.238145.078144.803144.686144.59144.48144.349144.116143.81143.689142.632NA137.467137.816143.519NA145.358147.786151.996NA153.453153.3470.153334NA147.113147.1310.146865
us-gaap:WeightedAverageNumberOfSharesOutstandingBasic █▁141.868141.646NA141.498141.486144.814145.624145.559145.546145.256144.96144.921144.899144.664144.542144.498144.485144.249144.166144.122144.101143.958143.9143.861143.846143.655143.432143.21143.187141.962NA137.036137.536137.648NA139.621142.107145.347NA147.162147.0110.146837NA146.454146.3720.109961
 us-gaap:AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount us-gaap:AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareByAntidilutiveSecurities us-gaap:RestrictedStockUnitsRSUNA0.14NA0.1241.20.328NA0.5640.5840.263NA0.0073440.0040120.177807NA0.0040.0020.194NA0.0020.0030.013NA0.023NANANANANANANANANANANANANANANANANANANANANANA
us-gaap:EarningsPerShareBasic █▇▆▆▄▅▇▆▅▆▆▆▆▇▃▅▄▆▄▄▄▄▃▃▄▄▃▃▃▃▃▃▃▃▃▃▃▂▂▂▂▂▁▁▁▁1.581.451.16000000000000011.130.71.01.291.181.031.131.191.181.191.290.590.920.821.180.770.760.720.750.640.650.690.70.650.620.590.540.550.530.520.510.50.490.480.460.440.410.40.370.220.270.210.17
us-gaap:EarningsPerShareDiluted █▇▆▆▄▅▇▆▅▆▆▆▆▇▃▅▄▆▄▄▄▄▃▄▄▄▄▃▃▃▃▃▃▃▃▃▃▃▂▂▂▂▁▂▁▁1.571.441.15000000000000041.120.71.01.291.171.031.121.181.171.181.280.580.910.811.160.760.760.710.740.630.650.680.690.650.620.580.540.550.530.520.50.490.480.470.450.430.410.390.370.220.270.210.13
 us-gaap:TierOneRiskBasedCapitalToRiskWeightedAssets dei:LegalEntity ewbc:CompanyNANA1.2699999999999999e-05NANANA1.29e-07NANANA1.22e-07NANANA1.14e-07NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:TierOneRiskBasedCapitalToRiskWeightedAssets dei:LegalEntity ewbc:EastWestBankNANA1.21e-05NANANA1.29e-07NANANA1.2099999999999998e-07NANANA1.14e-07NANANA1.13e-07NANANA1.1e-07NANANA1.06e-07NANANA1.16e-07NANANA1.43e-07NANANA1.4699999999999998e-07NANANA1.57e-07NANANA
 us-gaap:CapitalToRiskWeightedAssets dei:LegalEntity ewbc:CompanyNANA1.43e-05NANANA1.44e-07NANANA1.3700000000000002e-07NANANA1.29e-07NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:CapitalToRiskWeightedAssets dei:LegalEntity ewbc:EastWestBankNANA1.34e-05NANANA1.3900000000000001e-07NANANA1.31e-07NANANA1.24e-07NANANA1.23e-07NANANA1.2099999999999998e-07NANANA1.18e-07NANANA1.29e-07NANANA1.56e-07NANANA1.6300000000000002e-07NANANA1.74e-07NANANA
  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
 EBT Margin us-gaap:StatementBusinessSegments ewbc:CommercialBankingNANANA4.7234.4264.3394.0383.7763.6883.5653.4763.4683.2213.3453.5013.4793.1464.044NANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 EBT Margin us-gaap:StatementBusinessSegments ewbc:ConsumerandBusinessBankingNANANA12.3969.49611.4599.46410.9749.899.8728.8219.83811.1729.88NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 EBT Margin us-gaap:StatementBusinessSegments us-gaap:AllOtherSegmentsNANANA0.0070.0410.0060.0140.0090.010.0160.0110.0060.2480.1580.1060.1320.1210.105NANANANANANANANANANANANANANANANANANANANANANANANANANANANA
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
us-gaap:ComprehensiveIncomeNetOfTax █▂▅▅▃▅▅▅▅▅▅▄▄▅▂▄▃▅▂▃▃▃▂▂▂▃▃▂▃▂▂▂▁▂▂▂▂▂▁▁▂▂300.09370.629175.095169.717115.605170.113170.774180.421173.391189.215204.68152.933156.686175.01879.596134.624127.667174.36469.762104.681103.63120.39975.03490.49790.623109.34599.66388.86398.4990.16370.50169.65746.15273.60778.08685.51671.51285.14553.86136.40775.1158.33NANANANA
us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest █▆▅▅▁▃▆▅▆▅▅▅▅▅▄▄▃▆▃▁▂▂▃▂▂▃270.381235.484213.422196.06112.273164.01219.282206.367223.177195.091205.055204.865196.992211.784174.127175.284157.685228.004161.137123.464142.916144.671148.485138.989144.421146.826NANANANANANANANANANANANANANANANANANANANA
us-gaap:IncomeTaxExpenseBenefit ▅▄▅▄▃▃▄▄▇▄▄▄▄▄█▅▅▆▅▃▅▄▆▅▅▅▃▁▄▄▃▄▅▄▄▄▄▅▄▄▄▄▄▄▃▃45.63930.4949.33836.52312.92119.18631.06734.95172.79731.06732.03733.56324.64324.75289.22942.62439.35558.26850.40313.32139.63237.15556.6844.89245.67346.79920.049-13.64431.61834.94922.78235.74937.85534.41936.334.09333.83739.71237.13335.25335.20530.50929.35726.57622.38613.026
us-gaap:IncomeTaxesPaidNet NANA34.29876.5052.7052.90442.22239.92175.850.30314.8083.63357.34710.08486.326-2.99915.029-0.2318.82614.29334.868-28.5091.766-39.5410.71618.45841.22358.599150.63270.72324.57226.31290.381.716-5.3413.01162.30723.42263.737250.4019.3053.282-84.913NANANA
us-gaap:InterestAndFeeIncomeLoansAndLeases ▅▅▅▅▆▇████▇▆▆▅▅▄▄▃▃▂▂▂▂▂▂▂▃▃▃▃▃▃▂▁▂▂▂▁▂▂▂▂▃▁▂▃352.453342.008348.578336.542367.393411.869425.773433.658434.45423.534414.517385.538365.555337.904326.401306.939293.039272.061272.188255.316254.331253.542248.638244.372234.049241.566265.892262.258269.484261.571268.84259.105234.29217.159254.26232.195238.036221.039232.976244.523240.773227.526266.776210.086233.783287.944
us-gaap:InterestExpense ▁▁▂▃▄▆▇██▇▆▅▄▃▂▂▂▂▂▁▁▁▁▁▁▁▁▂▁▁▁▁▁▂▂▂▂▂▂▃▃▃▃▃▃▄22.8627.69134.76741.59855.00186.48399.014107.105107.518100.8587.91873.46558.63245.1840.06436.75532.68430.54729.42526.16925.28123.96823.53624.34327.95327.54427.64728.97427.99228.20728.19527.45627.70929.13231.57732.25433.20535.13239.8344.95947.13245.50145.63348.59549.9156.979
us-gaap:InterestIncomeExpenseNet █▇▇▆▇████▇█▇▇▆▆▅▅▄▄▄▄▄▃▃▃▃▄▄▄▄▄▄▃▂▃▂▃▂▃▃▃▂▃▁▂▄376.473353.695346.581324.13343.775362.707368.219369.807367.326362.461369.416348.72341.679326.693319.701303.155290.091272.122272.702254.148253.584252.204246.941240.289227.492235.717259.488256.974266.45257.966265.008254.25227.644209.291244.944221.908233.157218.918229.074237.782227.336208.834246.562182.805203.623261.724
us-gaap:InterestPaidNet ▁▂▃▃▄▆███▇▆▅▄▃▂22.54829.6844.48242.93457.20388.52105.047110.216105.64797.9386.60467.24655.95843.21840.357NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:NetIncomeLoss █▇▆▆▄▅▇▆▅▆▆▆▆▇▃▅▄▆▄▄▄▄▃▃▄▄▃▃▃▃▃▃▃▃▃▃▃▃▂▂▂▂▂▂▁▁224.742204.994164.084159.53799.352144.824188.215171.416150.38164.024173.018171.302172.349187.03284.898132.66118.33169.736110.734110.143103.284107.51691.80594.09798.748100.02792.99888.75683.98876.74175.78273.15774.01572.09171.971.1170.55768.08366.20662.43260.52556.07156.34946.95136.34824.916
us-gaap:NetIncomeLossAvailableToCommonStockholdersBasic █▇▅▅▂▄▆▅▄▅▅▅▅▆▁▃▃▅▂▂▂▂224.742204.994164.084159.53799.352144.824188.215171.416150.38164.024173.018171.302172.349187.03284.898132.66118.33169.736110.734110.143103.284107.516NANANANA92.99888.75683.98876.74175.78273.15772.30170.37770.18569.39668.84366.36964.49260.71858.81154.35632.2440.21930.20118.778
us-gaap:NetIncomeLossAvailableToCommonStockholdersDiluted █▇▅▅▂▄▆▅▄▅▅▅▅▆▁▃▃▅224.742204.994164.084159.53799.352144.824188.215171.416150.38164.024173.018171.302172.349187.03284.898132.66118.33169.736NA110.143103.284107.51691.49694.2198.841100.1392.99388.70783.9276.65575.52372.83971.93471.54370.5870.32669.70568.18666.24662.46660.5656.07832.24540.22330.205NA
us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax NANANA17.12613.96315.80413.51614.75913.58813.45312.30813.31214.64113.38313.08413.85413.70214.259NANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:ProductOrService ewbc:CardIncomeNANANA1.0320.7611.0980.3781.131.0821.1181.0881.151.1541.2441.1991.2061.2311.24NANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:ProductOrService ewbc:DepositServiceChargesAndRelatedFeeIncomeNANANA11.54110.1119.3498.9238.7888.7068.5238.4248.6278.9869.1869.0889.1879.098.684NANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:ProductOrService ewbc:WealthManagementFeesNANANA4.5533.0915.3574.2154.8413.83.8122.7963.5354.5012.9532.7973.4613.3814.335NANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:ProductOrService,us-gaap:StatementBusinessSegments ewbc:CardIncome,ewbc:CommercialBankingNANANA0.1840.1220.20.1920.1450.1540.1850.160.2010.2210.1740.3130.210.2020.213NANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:ProductOrService,us-gaap:StatementBusinessSegments ewbc:CardIncome,ewbc:ConsumerandBusinessBankingNANANA0.8480.6390.8980.1860.9850.9280.9330.9280.9490.9331.07NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:ProductOrService,us-gaap:StatementBusinessSegments ewbc:DepositServiceChargesAndRelatedFeeIncome,ewbc:CommercialBankingNANANA4.5393.9043.7993.5573.4343.2993.2743.1793.1333.03.0142.9492.9732.8122.742NANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:ProductOrService,us-gaap:StatementBusinessSegments ewbc:DepositServiceChargesAndRelatedFeeIncome,ewbc:ConsumerandBusinessBankingNANANA6.9956.1665.5445.3525.3455.3975.2335.2345.4885.7386.014NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:ProductOrService,us-gaap:StatementBusinessSegments ewbc:DepositServiceChargesAndRelatedFeeIncome,us-gaap:AllOtherSegmentsNANANA0.0070.0410.0060.0140.0090.010.0160.0110.0060.2480.1580.1060.1320.1210.105NANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:ProductOrService,us-gaap:StatementBusinessSegments ewbc:WealthManagementFees,ewbc:CommercialBankingNANANA0.00.40.340.2890.1970.2350.1060.1370.1340.00.1570.2390.2960.1321.089NANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:ProductOrService,us-gaap:StatementBusinessSegments ewbc:WealthManagementFees,ewbc:ConsumerandBusinessBankingNANANA4.5532.6915.0173.9264.6443.5653.7062.6593.4014.5012.796NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:StatementBusinessSegments ewbc:CommercialBankingNANANA4.7234.4264.3394.0383.7763.6883.5653.4763.4683.2213.3453.5013.4793.1464.044NANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:StatementBusinessSegments ewbc:ConsumerandBusinessBankingNANANA12.3969.49611.4599.46410.9749.899.8728.8219.83811.1729.88NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:StatementBusinessSegments us-gaap:AllOtherSegmentsNANANA0.0070.0410.0060.0140.0090.010.0160.0110.0060.2480.1580.1060.1320.1210.105NANANANANANANANANANANANANANANANANANANANANANANANANANANANA
  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 █▇▇▆▆▆▅▅▅▅▅▄▄▄▄▄▄▄▄▃▃▃▃▃▃▃▃▂▂▂▂▂▂▂▁▁▁▁▁▁▁▁▁▁▁59854.87656874.14652156.91350371.47749407.59345948.54544196.09643274.65942892.35842091.43341042.35639073.10638072.95437693.15837150.24936307.96635917.61735342.12634788.8433255.27532952.21233109.16932350.92231119.67630064.07229906.83528738.04928481.1327557.10527401.02624730.06824498.83523308.40623101.95522536.1121813.16521525.73421749.78221968.66721813.04621872.70821147.02620700.53720417.24619967.321NA
us-gaap:Liabilities █▇▇▆▆▅▅▅▅▅▅▄▄▄▄▄▄▄▄▃▃▃▃▃▃▃▂▂▂▂▂▂▁▁▁▁▁▁▁▁▁▁▁54307.32851589.11946887.73845245.37144420.3541045.5639178.47938391.99538157.76537499.50336618.38234828.25633958.6733714.40333308.29832526.0732247.35631776.17231361.09929877.22129655.30229892.38829227.97228048.56127059.12426968.07225887.48125713.03724856.08124776.80622365.84322186.95921050.45520758.83620153.98819494.95619230.79419466.48519656.92419551.87719643.37618989.10918586.606NANANA
us-gaap:LiabilitiesAndStockholdersEquity █▇▇▆▆▆▅▅▅▅▅▄▄▄▄▄▄▄▄▃▃▃▃▃▃▃▂▂▂▂▂▂▁▁▁▁▁▁▁▁▁▁▁59854.87656874.14652156.91350371.47749407.59345948.54544196.09643274.65942892.35842091.43341042.35639073.10638072.95437693.15837150.24936307.96635917.61735342.12634788.8433255.27532952.21233109.16932350.92231119.67630064.07229906.83528738.04928481.1327557.10527401.02624730.06824498.83523308.40623101.95522536.1121813.16521525.73421749.78221968.66721813.04621872.70821147.02620700.537NANANA
us-gaap:StockholdersEquity █▇▇▇▇▇▇▇▆▆▆▅▅▅▅▄▄▄▄▄▃▃▃▃▃▃▃▂▂▂▂▁▁▁▂▁▁▁▁▁▁▁▁▂▁▁5547.5485285.0275269.1755126.1064987.2434902.9855017.6174882.6644734.5934591.934423.9744244.854114.2843978.7553841.9513781.8963670.2613565.9543427.7413378.0543296.913216.7813122.953071.1153004.9482938.7632850.5682768.0932701.0242624.222364.2252311.8762257.9512343.1192382.1222318.2092294.942283.2972311.7432261.1692229.3322157.9172113.9312384.762338.9642305.789
 us-gaap:TierOneRiskBasedCapital dei:LegalEntity ewbc:CompanyNANA4882.555NANANA4546.592NANANA3966.842NANANA3390.07NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:TierOneRiskBasedCapital dei:LegalEntity ewbc:EastWestBankNANA4662.426NANANA4516.792NANANA3944.728NANANA3378.815NANANA3095.245NANANA2754.201NANANA2316.615NANANA2041.894NANANA2046.477NANANA2061.896NANANA1859.102NANANA
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
us-gaap:CashAndCashEquivalentsAtCarryingValue █▆▅▆▆▄▄▄▅▅▄▃▃▃▃▂▄▃▂▂▂▃▂▂▂▂▁▁▁▂▁▂▁▂▂▂▃▂▂▁▂▂▂▁▂▂5997.8054619.1334017.9714506.9414533.5023080.0423261.1493042.2813621.6143785.3253001.3772218.7872297.4712314.9382174.5921736.7492752.4762434.6431878.5031666.8321592.7962265.2971360.8871875.7031877.9141886.1991039.8851115.7531246.0441884.855895.821322.3831050.2141736.8651323.1061816.3722429.6141635.8541431.1851105.8881598.4981492.9221333.9491089.9361394.8511380.263
us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents █▅▄▅▅▃▃▃▄▄▃▁▁▁▁5997.8054619.1334017.9714506.9414533.5023080.0423261.1493042.2813621.6143785.3253001.3772218.7872297.4712314.9382174.592NANANA1878.503NANANANANANANANANANANANANANANANANANANANANANANANANANANA
  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:AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment ██▇▇▆▆▆▅▇▆▆▅▅▄▅▄▄▄▅▅▄▄▃▃▂▁▁133.972130.926127.884125.198122.372120.156116.79114.418125.887122.396118.547115.919112.426109.126111.898109.296105.918103.933114.89110.668106.919103.814100.0696.25492.79788.82685.409NANA73.769.76871.168.167.264.203-66.5-64.2-62.659.66258.161.5NA60.7NANANA
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us-gaap:PropertyPlantAndEquipmentNet ▁▁▁▂▂▂▃▃▃▃▃▃▃▃▃▄▃▃▆▆▆▆▇▇▇▇████▇█▂▂▂▂▂▂▃▃▂▄▄99.29102.12103.251107.506110.709115.393118.364120.859121.498124.3119.18120.265122.072119.733121.209131.311128.282128.002159.923162.482163.423165.234166.993169.771173.333176.438180.9181.999183.498185.214177.71185.13111.762109.485107.517114.627115.56116.266118.926119.035116.746133.794135.919NANANA
us-gaap:Goodwill ███████████████████████████▇▇▇▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁465.697465.697465.697465.697465.697465.697465.697465.697465.697465.7465.547465.547465.5465.5469.433469.4469.433469.433469.433469.4469.4469.4469.433469.433469.433469.433469.433458.467458.467458.467337.438337.438337.438337.438337.438337.438337.438337.438337.438337.438337.438337.438337.438337.438337.438NA
 us-gaap:FiniteLivedIntangibleAssetsNet us-gaap:FiniteLivedIntangibleAssetsByMajorClass us-gaap:CoreDeposits▁▁▁▂▂▂▃▃▃▄▄▄▅▅▆▆▇▇█4.9355.6456.3777.28.1279.05810.01111.05512.20313.35514.52915.79517.16418.53721.05422.67424.4126.17227.989NANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:DeferredTaxAssetsLiabilitiesNet NANA163.815NANANA106.487NANANA117.641NANANA97.4NANANA129.7NANANA135.871NANANA384.367NANANA255.53NANANA185.713NANANA-201.883NANANA0.48NANANA
us-gaap:OperatingLeaseRightOfUseAsset ▅▁▁▂▁▄▄▆█▆102.60994.48395.4696.09294.898101.38199.973103.894109.032104.289NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:EquitySecuritiesFvNi us-gaap:BalanceSheetLocation ewbc:InvestmentsInTaxCreditAndOtherInvestmentsNet▁▁▇▇▇▆███▇▇▇26.826.731.331.331.130.331.731.731.430.931.230.8NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:EquitySecuritiesFvNi us-gaap:FairValueByFairValueHierarchyLevel,us-gaap:FairValueByMeasurementFrequency us-gaap:FairValueInputsLevel1,us-gaap:FairValueMeasurementsRecurring▇▇███▇▅▅▅▃▂▁22.34522.23322.54822.53822.46222.19521.74621.73721.46621.05120.67820.373NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:EquitySecuritiesFvNi us-gaap:FairValueByFairValueHierarchyLevel,us-gaap:FairValueByMeasurementFrequency us-gaap:FairValueInputsLevel2,us-gaap:FairValueMeasurementsRecurring▁▁▆▆▆▅▇▇▇▇██4.4744.468.7248.7418.688.1359.9279.9879.9579.88610.53110.476NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:EquitySecuritiesFvNi us-gaap:FairValueByMeasurementFrequency us-gaap:FairValueMeasurementsRecurring▁▁▇▇▇▆███▇▇26.81926.69331.27231.27931.14230.3331.67331.72431.42330.93731.209NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
  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 NANA8608.547NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA5212.966NANANA6204.106NANANANANANANA
  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 us-gaap:ConsolidatedEntities srt:ParentCompanyNANA147.376NANANA147.101NANANA146.835NANANA171.577NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
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 us-gaap:LongTermDebt us-gaap:FairValueByMeasurementBasis us-gaap:EstimateOfFairValueFairValueDisclosure▁▁▁██▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁150.232151.015150.1311577.5721578.801152.942152.641145.923152.478152.531152.556162.566167.573172.521171.673139.649183.589182.502186.67195.801196.826194.189186.593187.63193.157207.906205.777201.209NANA184.415NANANANANANANANANANANANANANANA
us-gaap:LongTermDebtAndCapitalLeaseObligations ▁▁▁██▁▁151.997152.195151.7391579.3171580.442152.162152.27NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
  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 █▇▇▇▇▇▇▇▆▆▆▅▅▅▅▄▄▄▄▄▃▃▃▃▃▃▃▂▂▂▂▁▁▁▂▁▁▁▁▁▁▁▁▂▁▁5547.5485285.0275269.1755126.1064987.2434902.9855017.6174882.6644734.5934591.934423.9744244.854114.2843978.7553841.9513781.8963670.2613565.9543427.7413378.0543296.913216.7813122.953071.1153004.9482938.7632850.5682768.0932701.0242624.222364.2252311.8762257.9512343.1192382.1222318.2092294.942283.2972311.7432261.1692229.3322157.9172113.9312384.762338.9642305.789
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us-gaap:AdditionalPaidInCapital ████▇▇▇▇▇▇▇▆▆▆▆▆▆▆▆▆▅▅▅▅▅▅▅▅▅▅▃▃▃▂▂▂▁▁▁▁▁▁▁1876.0791865.9331858.3521850.3961841.7481833.6171826.3451817.11808.8961798.9581789.8111766.0551754.7111746.5411755.331745.1811738.5561732.5851727.4341718.2491712.5721706.8561701.2951695.2651690.3841685.6991677.7671666.0691661.5491656.8671571.671564.1051558.4151470.6741464.7391462.271456.3611449.9711443.8831436.941431.3051424.441434.277NANANA
us-gaap:RetainedEarningsAccumulatedDeficit ██▇▇▇▇▇▆▆▆▆▅▅▅▅▄▄▄▄▄▄▃▃▃▃▃▃▃▂▂▂▂▂▂▂▂▂▂▁▁▁▁▁4335.3274158.0324000.4143875.7153755.6493695.7593689.3773545.8243414.9013305.0543160.1323020.7922883.2012740.1792576.3022520.8172417.3672328.2642187.6762106.1212025.1421951.0351872.5941809.9131744.9551675.2341598.5981531.6371468.8891410.9211360.131305.1641252.8121201.1261151.8281095.7431040.535986.195934.617877.595824.36772.986720.116NANANA
us-gaap:AccumulatedOtherComprehensiveIncomeLossNetOfTax ▅▁█▇▇▆▅▆▅▄▃▁▂▃▄▄▄▃▃▅▆▆▅▆▆▆▆▆▆▅▄▄▅▆▆▆▅▅▄▅▆▅▅-14.689-90.0444.32533.31423.1346.881-18.408-0.967-9.972-32.983-58.174-89.836-71.467-55.804-37.519-32.217-34.181-43.518-48.146-7.174-1.712-2.058-14.9411.835.4313.5554.237-2.428-2.535-17.037-30.459-25.178-21.6786.1854.669-1.517-15.923-16.878-33.94-21.5954.43-10.155-12.414NANANA
 us-gaap:AccumulatedOtherComprehensiveIncomeLossNetOfTax us-gaap:ConsolidatedEntities srt:ParentCompanyNANA44.325NANANA-18.408NANANA-58.174NANANA-37.519NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:TreasuryStockValue ██████▆▆▆▆▆▅▅▅▅▅▅▅▅▅▅▅▅▅▅▅▅▅▅▅▇▆▆▅▄▄▃▂▁▁▁▁▁649.337649.066634.083633.486633.455633.439479.864479.459479.398479.265467.961452.327452.327452.327452.327452.05451.646451.541439.387439.306439.256439.216436.162436.057435.985435.889430.198427.348427.042426.694537.279532.378531.761418.05322.298321.471269.217219.175116.001114.954113.946112.537111.262NANANA
  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 ▁█▆▄▄▂▇▂▃▃▄▆▅▅▁▆▄▄▅32.296371.515262.711159.698179.21391.703346.8199.018150.76139.241189.856258.449217.013217.85431.923281.993196.715186.275224.252NANANANANANANANANANANANANANANANANANANANA-140.501181.644158.31NA176.007249.479261.22
us-gaap:NetCashProvidedByUsedInInvestingActivities ▆▁▄▇▅▆▇▇▇█▆▆▇▆▇▆▇█▆-1218.54-4383.909-2453.518-884.585-2105.283-1405.33-702.358-871.667-878.47-118.681-1178.277-1178.572-435.245-1040.318-434.247-1419.765-433.042-213.401-1319.391NANANANANANANANANANANANANANANANANANANANA-374.903-486.106-354.071NA-840.069665.534454.971
us-gaap:NetCashProvidedByUsedInFinancingActivities ▅█▃▂▆▃▂▁▂▂▄▂▁▂▂▁▂▂▃2697.4964475.2751651.693729.583408.4921119.028591.739205.339578.514749.371767.461860.732228.201944.414828.974110.925548.09580.4711314.786NANANANANANANANANANANANANANANANANANANANA22.715409.971355.927NA358.647-900.425-435.012
us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect █▅▁▃█▂▄▁▂▆▆▃▃▃1378.672601.162-488.97-26.5611453.46-181.107218.868-579.333-163.711783.948782.59-78.684-17.467140.346NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
  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:DeferredIncomeTaxExpenseBenefit ▅▄▃▄▄▄▄▄▄▄▄▄▄▄▆▄▅▅▅▄▄▅█▇▅▄▁▄2.3470.224-41.4240.02-0.1390.028-19.17-0.324-1.704-0.406-17.8410.0510.6430.67748.356-18.1991.4042.29523.236-0.6270.6393.718143.135108.02310.0530.003-141.213-13.406NANA-79.13533.7870.0080.312-24.78131.9990.291-20.159125.0990.78236.71526.901-19.9783.98231.247-2.874
us-gaap:DepreciationDepletionAndAmortization ▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▃▁▄▄▄▃▃▃▃▇▃▄▃█▂▄32.91237.4923.81927.16337.7431.18640.95831.10732.61539.49843.72233.44832.47129.85826.81443.84246.10533.06164.03543.36926.57928.61327.77322.00913.37917.42229.18749.0822.318-13.536-158.17722.15823.91214.9975.592-4.669-6.005-38.669228.336-16.6722.574-45.066309.529-68.29410.833NA
us-gaap:NetCashProvidedByUsedInOperatingActivities ▁█▆▄▄▂▇▂▃▃▄▆▅▅▁▆▄▄▅32.296371.515262.711159.698179.21391.703346.8199.018150.76139.241189.856258.449217.013217.85431.923281.993196.715186.275224.252NANANANANANANANANANANANANANANANANANANANA-140.501181.644158.31NA176.007249.479261.22
us-gaap:NetIncomeLoss █▇▆▆▄▅▇▆▅▆▆▆▆▇▃▅▄▆▄▄▄▄▃▃▄▄▃▃▃▃▃▃▃▃▃▃▃▃▂▂▂▂▂▂▁▁224.742204.994164.084159.53799.352144.824188.215171.416150.38164.024173.018171.302172.349187.03284.898132.66118.33169.736110.734110.143103.284107.51691.80594.09798.748100.02792.99888.75683.98876.74175.78273.15774.01572.09171.971.1170.55768.08366.20662.43260.52556.07156.34946.95136.34824.916
us-gaap:ShareBasedCompensation ▆▆▅▆▅▅▆▆▆▅▅█▅▅▇▄▄▄▆▄▄▃▄▃▃▃▃▃▃▂▃▃▃▂▁▃▃▃▃▃▃▂▂▂▂▁8.2087.8177.0367.9217.0717.2097.7497.4878.0817.4446.73610.9867.0576.1588.8775.6654.9645.1518.1294.7634.6354.5754.84.053.6983.9543.5013.6373.5653.184.2853.9953.3942.5041.1014.3644.1363.6373.6934.283.2832.2872.5972.2882.4291.447
  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 ▆▁▄▇▅▆▇▇▇█▆▆▇▆▇▆▇█▆-1218.54-4383.909-2453.518-884.585-2105.283-1405.33-702.358-871.667-878.47-118.681-1178.277-1178.572-435.245-1040.318-434.247-1419.765-433.042-213.401-1319.391NANANANANANANANANANANANANANANANANANANANA-374.903-486.106-354.071NA-840.069665.534454.971
us-gaap:PaymentsToAcquirePropertyPlantAndEquipment NA1.5630.3960.4140.930.9161.3554.091.0783.3364.3691.8065.8551.7572.1566.6083.7991.1911.7693.9274.2262.259NANANANA3.5112.483NANA0.66577.115NANA4.4542.421NANA3.0475.2611.1781.0210.887.6982.48179.872
  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 ▅█▃▂▆▃▂▁▂▂▄▂▁▂▂▁▂▂▃2697.4964475.2751651.693729.583408.4921119.028591.739205.339578.514749.371767.461860.732228.201944.414828.974110.925548.09580.4711314.786NANANANANANANANANANANANANANANANANANANANA22.715409.971355.927NA358.647-900.425-435.012
us-gaap:PaymentsForRepurchaseOfCommonStock NANA0.00.001-0.001145.966NANA0.00.0NANANANANANANANANANANANANANANANANANANANA0.00.0112.99287.00.050.048.972100.978NANANANANANANANA
  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 End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312012-12-312011-09-302011-06-302011-03-312010-12-31
Value168000.0168000.0167000.0167000.0167000.0167000.0167000.0166000.0166000.0166000.0166000.0166000.0166000.0166000.0165000.0165000.0165000.0164000.0164000.0164000.0164000.0164000.0164000.0164000.0164000.0164000.0164000.0163000.0163000.0163000.0163000.0157000.0156000.0156000.0156000.0156000.0
Percentage of CommonStockValue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:CommonStockValue us-gaap:ConsolidatedEntities

srt:ParentCompany


Common
Period End2020-12-312019-12-312018-12-312017-12-31
Value167000.0167000.0166000.0165000.0
Percentage of CommonStockValue100.0100.0100.0100.0
Percentage of Assets0.00.00.00.0
Percentage of Assets srt:ParentCompany0.00.00.00.0

Weighted Average Number Of Diluted Shares Outstanding

us-gaap:WeightedAverageNumberOfDilutedSharesOutstanding

us-gaap:WeightedAverageNumberOfDilutedSharesOutstanding


Weighted
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-09-302013-06-302013-03-312012-09-302012-06-302012-03-312011-09-302011-06-302011-03-312010-09-302010-06-302010-03-31
Value1431421421411451461461461451461461461451461451451451451451451441441441441441441431431421371371431451471511531530.1533341471470.146865
Percentage of WeightedAverageNumberOfDilutedSharesOutstanding100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Weighted Average Number Of Shares Outstanding Basic

us-gaap:WeightedAverageNumberOfSharesOutstandingBasic

us-gaap:WeightedAverageNumberOfSharesOutstandingBasic


Weighted
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-09-302013-06-302013-03-312012-09-302012-06-302012-03-312011-09-302011-06-302011-03-312010-09-302010-06-302010-03-31
Value1411411411411441451451451451441441441441441441441441441441441431431431431431431431431411371371371391421451471470.1468371461460.109961
Percentage of WeightedAverageNumberOfSharesOutstandingBasic100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount

us-gaap:AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount us-gaap:AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareByAntidilutiveSecurities

us-gaap:AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount

us-gaap:RestrictedStockUnitsRSU


Antidilutive
Period End2021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-09-302016-06-302016-03-312015-09-30
Value140000.0124000.01200000.0328000.0564000.0584000.0263000.07344.04012.0177810.04000.02000.0194000.02000.03000.013000.023000.0
Percentage of AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Earnings Per Share Basic

us-gaap:EarningsPerShareBasic

us-gaap:EarningsPerShareBasic


Earnings
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value1.581.451.161.130.71.01.291.181.031.131.191.181.191.290.590.920.821.180.770.760.720.750.640.650.690.70.650.620.590.540.550.530.520.510.50.490.480.460.440.410.40.370.220.270.210.17
Percentage of EarningsPerShareBasic100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Earnings Per Share Diluted

us-gaap:EarningsPerShareDiluted

us-gaap:EarningsPerShareDiluted


Earnings
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value1.571.441.151.120.71.01.291.171.031.121.181.171.181.280.580.910.811.160.760.760.710.740.630.650.680.690.650.620.580.540.550.530.520.50.490.480.470.450.430.410.390.370.220.270.210.13
Percentage of EarningsPerShareDiluted100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Tier One Risk Based Capital To Risk Weighted Assets

us-gaap:TierOneRiskBasedCapitalToRiskWeightedAssets dei:LegalEntity

us-gaap:TierOneRiskBasedCapitalToRiskWeightedAssets

ewbc:Company


Tier
Period End2020-12-312019-12-312018-12-312017-12-31
Value12.70.1290.1220.114
Percentage of TierOneRiskBasedCapitalToRiskWeightedAssets100.0100.0100.0100.0

ewbc:EastWestBank


Tier
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-31
Value12.10.1290.1210.1140.1130.110.1060.1160.1430.1470.157
Percentage of TierOneRiskBasedCapitalToRiskWeightedAssets95.3100.099.2100.00.00.00.00.00.00.00.0

Capital To Risk Weighted Assets

us-gaap:CapitalToRiskWeightedAssets dei:LegalEntity

us-gaap:CapitalToRiskWeightedAssets

ewbc:Company


Capital
Period End2020-12-312019-12-312018-12-312017-12-31
Value14.30.1440.1370.129
Percentage of CapitalToRiskWeightedAssets100.0100.0100.0100.0

ewbc:EastWestBank


Capital
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-31
Value13.40.1390.1310.1240.1230.1210.1180.1290.1560.1630.174
Percentage of CapitalToRiskWeightedAssets93.796.595.696.10.00.00.00.00.00.00.0

Comprehensive Income Net Of Tax

us-gaap:ComprehensiveIncomeNetOfTax

us-gaap:ComprehensiveIncomeNetOfTax


Comprehensive
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-31
Value30070175169115170170180173189204152156175791341271746910410312075909010999889890706946737885718553367558
Percentage of ComprehensiveIncomeNetOfTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of InterestAndDividendIncomeOperating75.118.545.946.429.037.936.637.836.540.844.836.239.147.122.139.639.657.623.137.337.243.627.734.235.541.534.731.133.431.524.024.718.130.928.233.626.833.520.012.927.422.9

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

us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest

us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest


Income
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-31
Value270235213196112164219206223195205204196211174175157228161123142144148138144146
Percentage of IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of InterestAndDividendIncomeOperating67.761.756.053.628.236.546.943.347.042.144.848.549.257.048.451.648.975.353.344.051.252.454.952.556.555.8

us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest us-gaap:StatementBusinessSegments

ewbc:CommercialBanking


Income
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-30
Value17815311911655791401039981112114115891429992911098095929596
Percentage of IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest66.065.256.159.449.848.663.950.244.841.954.855.958.842.481.656.558.840.368.065.166.664.264.169.5
Percentage of InterestAndDividendIncomeOperating44.740.331.431.914.017.830.021.721.017.624.627.128.924.139.529.128.730.336.228.734.133.635.236.5
Percentage of InterestAndDividendIncomeOperating ewbc:CommercialBanking0.00.00.00.00.00.00.00.00.027.60.042.244.337.50.045.345.047.90.044.653.652.40.058.0

ewbc:ConsumerandBusinessBanking


Income
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value108857460537484948089122107107129
Percentage of IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest40.036.434.930.847.345.338.645.836.145.660.052.354.361.4
Percentage of InterestAndDividendIncomeOperating27.122.519.516.513.316.518.119.817.019.226.925.426.735.0
Percentage of InterestAndDividendIncomeOperating ewbc:ConsumerandBusinessBanking0.00.00.00.00.00.00.00.00.066.30.00.00.0124.1

us-gaap:AllOtherSegments


Income
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-30
Value-16.282-3.80219193.22810-5.5098.2634224-26.209-17.059-24.177-13.324-87.1837.7051.62662-3.99110115.8971.874-9.941
Percentage of IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest-6.0-1.69.09.72.96.1-2.54.019.112.5-12.8-8.3-12.3-6.3-50.14.41.027.6-2.58.78.04.11.3-7.2
Percentage of InterestAndDividendIncomeOperating-4.1-1.05.05.20.82.2-1.21.79.05.3-5.7-4.0-6.0-3.6-24.22.30.520.8-1.33.84.12.10.7-3.8
Percentage of InterestAndDividendIncomeOperating us-gaap:AllOtherSegments0.00.00.00.00.00.00.00.00.074.20.0-56.9-86.5-48.30.027.75.8215.00.046.750.327.20.0-62.0

Income Tax Expense Benefit

us-gaap:IncomeTaxExpenseBenefit

us-gaap:IncomeTaxExpenseBenefit


Income
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value453049361219313472313233242489423958501339375644454620-13.644313422353734363433393735353029262213
Percentage of IncomeTaxExpenseBenefit100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of InterestAndDividendIncomeOperating11.48.012.910.03.24.36.67.315.36.77.07.96.26.724.812.512.219.316.74.814.213.521.017.017.917.87.0-4.810.712.27.812.714.814.413.113.412.715.613.812.512.812.010.011.58.84.1

Income Taxes Paid Net

us-gaap:IncomeTaxesPaidNet

us-gaap:IncomeTaxesPaidNet


Income
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-31
Value34762.7052.9044239750.303143.633571086-2.99915-0.23181434-28.5091.766-39.5410.716184158150702426901.716-5.3413.0116223632509.3053.282-84.913
Percentage of IncomeTaxesPaidNet100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of InterestAndDividendIncomeOperating9.020.90.70.69.08.416.00.13.20.914.32.724.0-0.94.7-0.16.25.112.5-10.30.7-14.90.37.014.420.551.224.78.49.335.40.7-1.91.260.99.223.788.63.41.3-29.1

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
Value352342348336367411425433434423414385365337326306293272272255254253248244234241265262269261268259234217254232238221232244240227266210233287
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 InterestAndDividendIncomeOperating88.389.791.492.092.191.791.190.991.591.490.691.391.390.990.790.390.889.990.191.191.291.891.992.391.691.892.691.791.591.491.792.091.891.191.991.489.487.086.686.587.789.591.390.892.290.3

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
Value22273441558699107107100877358454036323029262523232427272728272828272729313233353944474545484956
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 InterestAndDividendIncomeOperating5.77.39.111.413.819.321.222.522.621.819.217.414.612.111.110.810.110.19.79.39.18.78.79.210.910.59.610.19.59.99.69.710.912.211.412.712.513.814.815.917.217.915.621.019.717.9

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
Value376353346324343362368369367362369348341326319303290272272254253252246240227235259256266257265254227209244221233218229237227208246182203261
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 InterestAndDividendIncomeOperating94.392.790.988.686.280.778.877.577.478.280.882.685.487.988.989.289.989.990.390.790.991.391.390.889.189.590.489.990.590.190.490.389.187.888.687.387.586.285.284.182.882.184.479.080.382.1

us-gaap:InterestIncomeExpenseNet us-gaap:StatementBusinessSegments

ewbc:CommercialBanking


Interest
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-31
Value192177176162183183173166151147157149153144145138135134141131128129132129122125156144153152149143121111
Percentage of InterestIncomeExpenseNet51.250.150.850.353.550.647.244.941.240.642.642.945.044.245.445.646.749.451.851.750.951.253.853.853.853.160.356.257.559.356.356.553.253.1
Percentage of InterestAndDividendIncomeOperating48.346.446.244.546.140.937.234.831.831.834.435.538.438.940.440.642.044.446.846.946.346.849.148.947.947.654.550.552.053.450.951.047.446.7
Percentage of InterestAndDividendIncomeOperating ewbc:CommercialBanking0.00.00.00.00.00.00.00.00.049.70.055.158.860.30.063.365.870.10.072.972.773.00.077.677.778.80.082.584.290.40.086.282.379.4

ewbc:ConsumerandBusinessBanking


Interest
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value173149132120124152160170151166188182180175
Percentage of InterestIncomeExpenseNet46.242.438.237.336.342.143.646.041.245.851.152.352.853.9
Percentage of InterestAndDividendIncomeOperating43.539.334.733.131.334.034.335.731.935.941.243.245.147.3
Percentage of InterestAndDividendIncomeOperating ewbc:ConsumerandBusinessBanking0.00.00.00.00.00.00.00.00.0123.70.00.00.0168.0

us-gaap:AllOtherSegments


Interest
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-30
Value1026384035263433644923167.4536.265141711-2.3831.031161410-3.765-5.213-4.1280.937-10.074-7.351-4.838-14.099-0.591-4.1226.24715191823261719149.22724273.576
Percentage of InterestIncomeExpenseNet2.77.611.012.410.27.39.39.117.613.56.34.82.21.94.45.83.9-0.90.46.45.84.1-1.5-2.2-1.80.4-3.9-2.9-1.8-5.5-0.2-1.62.77.47.88.39.911.97.98.36.44.49.914.91.8
Percentage of InterestAndDividendIncomeOperating2.57.010.011.08.85.97.37.013.610.65.14.01.91.73.95.23.5-0.80.35.85.33.8-1.4-2.0-1.60.4-3.5-2.6-1.6-4.9-0.2-1.52.46.56.97.38.710.36.77.05.33.68.411.81.4
Percentage of InterestAndDividendIncomeOperating us-gaap:AllOtherSegments0.00.00.00.00.00.00.00.00.0149.30.055.626.722.70.063.139.8-8.20.070.264.348.00.0-32.5-26.85.50.0-49.0-37.9-76.70.0-23.243.899.50.0122.6105.8105.30.070.854.743.50.0148.622.1

Interest Paid Net

us-gaap:InterestPaidNet

us-gaap:InterestPaidNet


Interest
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-31
Value222944425788105110105978667554340
Percentage of InterestPaidNet100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of InterestAndDividendIncomeOperating5.67.811.711.714.319.722.523.122.221.118.915.914.011.611.2

Net Income Loss

us-gaap:NetIncomeLoss

us-gaap:NetIncomeLoss


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value22420416415999144188171150164173171172187841321181691101101031079194981009288837675737472717170686662605656463624
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 InterestAndDividendIncomeOperating56.353.743.043.624.932.240.335.931.735.437.840.643.150.323.639.036.756.136.739.337.038.933.935.638.738.032.431.028.526.825.826.029.030.226.028.026.526.824.622.122.122.019.320.314.37.8

us-gaap:NetIncomeLoss us-gaap:StatementBusinessSegments

ewbc:CommercialBanking


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value127110858340571007471588081836464656258
Percentage of NetIncomeLoss56.953.752.252.240.439.453.443.247.635.746.547.948.334.476.549.253.034.6
Percentage of InterestAndDividendIncomeOperating32.028.922.522.810.112.721.515.515.112.617.619.420.817.318.119.219.419.4
Percentage of InterestAndDividendIncomeOperating ewbc:CommercialBanking0.00.00.00.00.00.00.00.00.019.80.030.231.826.90.029.930.530.7

ewbc:ConsumerandBusinessBanking


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
Value7761534338536067576387767693
Percentage of NetIncomeLoss34.529.932.527.138.336.732.239.438.338.850.744.844.549.8
Percentage of InterestAndDividendIncomeOperating19.416.114.011.89.511.813.014.212.113.719.218.219.225.0
Percentage of InterestAndDividendIncomeOperating ewbc:ConsumerandBusinessBanking0.00.00.00.00.00.00.00.00.047.40.00.00.088.9

us-gaap:AllOtherSegments


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value193325322134272921417.574121325-30.212199.88563
Percentage of NetIncomeLoss8.616.415.320.621.323.814.417.314.125.54.47.47.913.7-35.614.98.437.6
Percentage of InterestAndDividendIncomeOperating4.98.86.69.05.37.75.86.24.59.01.73.03.46.9-8.45.83.121.1
Percentage of InterestAndDividendIncomeOperating us-gaap:AllOtherSegments0.00.00.00.00.00.00.00.00.0127.50.042.048.893.20.071.335.1218.7

us-gaap:NetIncomeLoss us-gaap:StatementEquityComponents

us-gaap:RetainedEarnings


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value22420416415999144188171150164173171172187841321181691101101031079194981009288837675737472717170686662605656463624
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 InterestAndDividendIncomeOperating56.353.743.043.624.932.240.335.931.735.437.840.643.150.323.639.036.756.136.739.337.038.933.935.638.738.032.431.028.526.825.826.029.030.226.028.026.526.824.622.122.122.019.320.314.37.8
Percentage of InterestAndDividendIncomeOperating us-gaap:RetainedEarnings0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Net Income Loss Available To Common Stockholders Basic

us-gaap:NetIncomeLossAvailableToCommonStockholdersBasic

us-gaap:NetIncomeLossAvailableToCommonStockholdersBasic


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value22420416415999144188171150164173171172187841321181691101101031079288837675737270706968666460585432403018
Percentage of NetIncomeLossAvailableToCommonStockholdersBasic100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of InterestAndDividendIncomeOperating56.353.743.043.624.932.240.335.931.735.437.840.643.150.323.639.036.756.136.739.337.038.932.431.028.526.825.826.028.329.525.427.325.826.124.021.521.421.411.017.411.95.9

Net Income Loss Available To Common Stockholders Diluted

us-gaap:NetIncomeLossAvailableToCommonStockholdersDiluted

us-gaap:NetIncomeLossAvailableToCommonStockholdersDiluted


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-30
Value224204164159991441881711501641731711721878413211816911010310791949810092888376757271717070696866626056324030
Percentage of NetIncomeLossAvailableToCommonStockholdersDiluted100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of InterestAndDividendIncomeOperating56.353.743.043.624.932.240.335.931.735.437.840.643.150.323.639.036.756.139.337.038.933.835.638.738.032.431.028.526.825.825.928.230.025.527.726.226.824.622.122.122.011.017.411.9

Revenue From Contract With Customer Excluding Assessed Tax

us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax

us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax


Revenue
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value171315131413131213141313131314
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of InterestAndDividendIncomeOperating4.73.53.52.93.12.92.92.73.23.73.63.64.14.24.7

us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:ProductOrService

ewbc:CardIncome


Revenue
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value1.0320.7611.0980.3781.131.0821.1181.0881.151.1541.2441.1991.2061.2311.24
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax6.05.56.92.87.78.08.38.88.67.99.39.28.79.08.7
Percentage of InterestAndDividendIncomeOperating0.30.20.20.10.20.20.20.20.30.30.30.30.40.40.4
Percentage of InterestAndDividendIncomeOperating ewbc:CardIncome0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

ewbc:DepositServiceChargesAndRelatedFeeIncome


Revenue
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value11109.3498.9238.7888.7068.5238.4248.6278.9869.1869.0889.1879.098.684
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax67.472.459.266.059.564.163.468.464.861.468.669.566.366.360.9
Percentage of InterestAndDividendIncomeOperating3.22.52.11.91.81.81.81.82.02.22.52.52.72.82.9
Percentage of InterestAndDividendIncomeOperating ewbc:DepositServiceChargesAndRelatedFeeIncome0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

ewbc:WealthManagementFees


Revenue
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value4.5533.0915.3574.2154.8413.83.8122.7963.5354.5012.9532.7973.4613.3814.335
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax26.622.133.931.232.828.028.322.726.630.722.121.425.024.730.4
Percentage of InterestAndDividendIncomeOperating1.20.81.20.91.00.80.80.60.81.10.80.81.01.01.4
Percentage of InterestAndDividendIncomeOperating ewbc:WealthManagementFees0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:ProductOrService, us-gaap:StatementBusinessSegments

ewbc:CardIncome, ewbc:CommercialBanking


Revenue
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value0.1840.1220.20.1920.1450.1540.1850.160.2010.2210.1740.3130.210.2020.213
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax1.10.91.31.41.01.11.41.31.51.51.32.41.51.51.5
Percentage of InterestAndDividendIncomeOperating0.10.00.00.00.00.00.00.00.00.10.00.10.10.10.1
Percentage of InterestAndDividendIncomeOperating ewbc:CardIncome ewbc:CommercialBanking0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

ewbc:CardIncome, ewbc:ConsumerandBusinessBanking


Revenue
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value0.8480.6390.8980.1860.9850.9280.9330.9280.9490.9331.07
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax5.04.65.71.46.76.86.97.57.16.48.0
Percentage of InterestAndDividendIncomeOperating0.20.20.20.00.20.20.20.20.20.20.3
Percentage of InterestAndDividendIncomeOperating ewbc:CardIncome ewbc:ConsumerandBusinessBanking0.00.00.00.00.00.00.00.00.00.00.0

ewbc:DepositServiceChargesAndRelatedFeeIncome, ewbc:CommercialBanking


Revenue
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value4.5393.9043.7993.5573.4343.2993.2743.1793.1333.03.0142.9492.9732.8122.742
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax26.528.024.026.323.324.324.325.823.520.522.522.521.520.519.2
Percentage of InterestAndDividendIncomeOperating1.21.00.80.80.70.70.70.70.70.70.80.80.90.90.9
Percentage of InterestAndDividendIncomeOperating ewbc:DepositServiceChargesAndRelatedFeeIncome ewbc:CommercialBanking0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

ewbc:DepositServiceChargesAndRelatedFeeIncome, ewbc:ConsumerandBusinessBanking


Revenue
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value6.9956.1665.5445.3525.3455.3975.2335.2345.4885.7386.014
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax40.844.235.139.636.239.738.942.541.239.244.9
Percentage of InterestAndDividendIncomeOperating1.91.51.21.11.11.11.11.11.31.41.6
Percentage of InterestAndDividendIncomeOperating ewbc:DepositServiceChargesAndRelatedFeeIncome ewbc:ConsumerandBusinessBanking0.00.00.00.00.00.00.00.00.00.00.0

ewbc:DepositServiceChargesAndRelatedFeeIncome, us-gaap:AllOtherSegments


Revenue
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value0.0070.0410.0060.0140.0090.010.0160.0110.0060.2480.1580.1060.1320.1210.105
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.00.30.00.10.10.10.10.10.01.71.20.81.00.90.7
Percentage of InterestAndDividendIncomeOperating0.00.00.00.00.00.00.00.00.00.10.00.00.00.00.0
Percentage of InterestAndDividendIncomeOperating ewbc:DepositServiceChargesAndRelatedFeeIncome us-gaap:AllOtherSegments0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

ewbc:WealthManagementFees, ewbc:CommercialBanking


Revenue
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value0.00.40.340.2890.1970.2350.1060.1370.1340.00.1570.2390.2960.1321.089
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.02.92.22.11.31.70.81.11.00.01.21.82.11.07.6
Percentage of InterestAndDividendIncomeOperating0.00.10.10.10.00.00.00.00.00.00.00.10.10.00.4
Percentage of InterestAndDividendIncomeOperating ewbc:WealthManagementFees ewbc:CommercialBanking0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

ewbc:WealthManagementFees, ewbc:ConsumerandBusinessBanking


Revenue
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value4.5532.6915.0173.9264.6443.5653.7062.6593.4014.5012.796
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax26.619.331.729.031.526.227.521.625.530.720.9
Percentage of InterestAndDividendIncomeOperating1.20.71.10.81.00.80.80.60.81.10.8
Percentage of InterestAndDividendIncomeOperating ewbc:WealthManagementFees ewbc:ConsumerandBusinessBanking0.00.00.00.00.00.00.00.00.00.00.0

us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:StatementBusinessSegments

ewbc:CommercialBanking


Revenue
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value4.7234.4264.3394.0383.7763.6883.5653.4763.4683.2213.3453.5013.4793.1464.044
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax27.631.727.529.925.627.126.528.226.122.025.026.825.123.028.4
Percentage of InterestAndDividendIncomeOperating1.31.11.00.90.80.80.80.80.80.80.91.01.01.01.3
Percentage of InterestAndDividendIncomeOperating ewbc:CommercialBanking0.00.00.00.00.00.01.20.01.31.21.40.01.61.52.1

ewbc:ConsumerandBusinessBanking


Revenue
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value129.496119.464109.899.8728.8219.838119.88
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax72.468.072.570.074.472.873.471.773.976.373.8
Percentage of InterestAndDividendIncomeOperating3.42.42.62.02.32.12.11.92.32.82.7
Percentage of InterestAndDividendIncomeOperating ewbc:ConsumerandBusinessBanking0.00.00.00.00.00.07.30.00.00.09.4

us-gaap:AllOtherSegments


Revenue
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value0.0070.0410.0060.0140.0090.010.0160.0110.0060.2480.1580.1060.1320.1210.105
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.00.30.00.10.10.10.10.10.01.71.20.81.00.90.7
Percentage of InterestAndDividendIncomeOperating0.00.00.00.00.00.00.00.00.00.10.00.00.00.00.0
Percentage of InterestAndDividendIncomeOperating us-gaap:AllOtherSegments0.00.00.00.00.00.00.00.00.00.90.60.00.50.40.4

Assets

us-gaap:Assets

us-gaap:Assets


Assets
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302009-12-31
Value59854568745215650371494074594844196432744289242091410423907338072376933715036307359173534234788332553295233109323503111930064299062873828481275572740124730244982330823101225362181321525217492196821813218722114720700204171996720559
Percentage of Assets100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:Assets us-gaap:ConsolidatedEntities

srt:ParentCompany


Assetsus-gaap:
Period End2020-12-312019-12-312018-12-312017-12-31
Value5504517545844026
Percentage of Assets10.611.711.210.8
Percentage of Assets10.611.711.210.8
Percentage of Assets srt:ParentCompany100.0100.0100.0100.0

us-gaap:Assets us-gaap:StatementBusinessSegments

ewbc:CommercialBanking


Assetsus-gaap:
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312011-12-312010-12-31
Value2735427222269582652626984264122550124885250012396423761229302219921992214312121620456196241912818549181961793917923171251614115491155951487914177136611154511145109031046410421101579856
Percentage of Assets45.747.951.752.754.657.557.757.558.356.957.958.758.358.357.758.457.055.555.055.855.254.255.455.053.751.854.352.251.449.946.745.546.845.346.246.247.6
Percentage of Assets45.747.951.752.754.657.557.757.558.356.957.958.758.358.357.758.457.055.555.055.855.254.255.455.053.751.854.352.251.449.946.745.546.845.346.246.247.6
Percentage of Assets ewbc:CommercialBanking100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

ewbc:ConsumerandBusinessBanking


Assetsus-gaap:
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312016-12-31
Value1459414147133511283812666118941152011277110131090210587101949816932793167821
Percentage of Assets24.424.925.625.525.625.926.126.125.725.925.826.125.824.725.122.5
Percentage of Assets24.424.925.625.525.625.926.126.125.725.925.826.125.824.725.122.5
Percentage of Assets ewbc:ConsumerandBusinessBanking100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:AllOtherSegments


Assetsus-gaap:
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302009-12-31
Value17906155041184711006975676417173711168767223669359486056635464026213702275047838709973187966733167206549687455205826555758615364582953685972556253244951503252815236516749464263423838773457
Percentage of Assets29.927.322.721.919.716.616.216.416.017.216.315.215.916.917.217.119.621.222.521.322.224.122.721.621.823.019.220.520.221.421.723.823.025.924.724.423.023.124.024.023.623.420.620.819.416.8
Percentage of Assets29.927.322.721.919.716.616.216.416.017.216.315.215.916.917.217.119.621.222.521.322.224.122.721.621.823.019.220.520.221.421.723.823.025.924.724.423.023.124.024.023.623.420.620.819.416.8
Percentage of Assets us-gaap:AllOtherSegments100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

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
Value54307515894688745245444204104539178383913815737499366183482833958337143330832526322473177631361298772965529892292272804827059269682588725713248562477622365221862105020758201531949419230194661965619551196431898918586
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 Assets90.790.789.989.889.989.388.688.789.089.189.289.189.289.489.789.689.889.990.189.890.090.390.390.190.090.290.190.390.290.490.490.690.389.989.489.489.389.589.589.689.889.889.8

us-gaap:Liabilities us-gaap:ConsolidatedEntities

srt:ParentCompany


Liabilitiesus-gaap:
Period End2020-12-312019-12-312018-12-312017-12-31
Value235157160184
Percentage of Liabilities0.50.40.40.6
Percentage of Assets0.50.40.40.5
Percentage of Assets srt:ParentCompany4.33.03.54.6

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
Value59854568745215650371494074594844196432744289242091410423907338072376933715036307359173534234788332553295233109323503111930064299062873828481275572740124730244982330823101225362181321525217492196821813218722114720700
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
Value5504517545844026
Percentage of LiabilitiesAndStockholdersEquity10.611.711.210.8
Percentage of Assets10.611.711.210.8
Percentage of Assets srt:ParentCompany100.0100.0100.0100.0

Stockholders Equity

us-gaap:StockholdersEquity

us-gaap:StockholdersEquity


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312008-12-31
Value554752855269512649874902501748824734459144234244411439783841378136703565342733783296321631223071300429382850276827012624236423112257234323822318229422832311226122292157211323842338230522841550
Percentage of StockholdersEquity100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets9.39.310.110.210.110.711.411.311.010.910.810.910.810.610.310.410.210.19.910.210.09.79.79.910.09.89.99.79.89.69.69.49.710.110.610.610.710.510.510.410.210.210.211.711.70.011.10.0

us-gaap:StockholdersEquity us-gaap:ConsolidatedEntities

srt:ParentCompany


Stockholders
Period End2020-12-312019-12-312018-12-312017-12-31
Value5269501744233841
Percentage of StockholdersEquity100.0100.0100.0100.0
Percentage of Assets10.111.410.810.3
Percentage of Assets srt:ParentCompany95.797.096.595.4

us-gaap:StockholdersEquity us-gaap:StatementEquityComponents

us-gaap:AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedges


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-06-302019-03-312018-12-31
Value-0.73-0.798-1.23-1.246-1.3330.00.00.00.00.0
Percentage of StockholdersEquity-0.0-0.0-0.0-0.0-0.00.00.00.00.00.0
Percentage of Assets-0.0-0.0-0.0-0.0-0.00.00.00.00.00.0
Percentage of Assets us-gaap:AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedges0.00.00.00.00.00.00.00.00.00.0

us-gaap:AccumulatedNetUnrealizedInvestmentGainLoss


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312013-12-31
Value-8.152-81.20152474225-2.419175.217-23.81-45.821-78.43-64.822-55.981-30.898-20.856-18.95-25.151-28.7726.849116.772-6.1448.6765.43134.237-30.459
Percentage of StockholdersEquity-0.1-1.51.00.90.90.5-0.00.30.1-0.5-1.0-1.8-1.6-1.4-0.8-0.6-0.5-0.7-0.80.20.40.2-0.20.30.20.50.1-1.3
Percentage of Assets-0.0-0.10.10.10.10.1-0.00.00.0-0.1-0.1-0.2-0.2-0.1-0.1-0.1-0.1-0.1-0.10.00.00.0-0.00.00.00.00.0-0.1
Percentage of Assets us-gaap:AccumulatedNetUnrealizedInvestmentGainLoss0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:AccumulatedOtherComprehensiveIncome


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312008-12-31
Value-14.689-90.044433236.881-18.408-0.967-9.972-32.983-58.174-89.836-71.467-55.804-37.519-32.217-34.181-43.518-48.146-7.174-1.712-2.058-14.9411.835.43134.237-2.428-2.535-17.037-30.459-25.178-21.6786.1854.669-1.517-15.923-16.878-33.94-21.5954.43-10.155-12.4145.1352.3022.0830.599-94.601
Percentage of StockholdersEquity-0.3-1.70.80.60.50.1-0.4-0.0-0.2-0.7-1.3-2.1-1.7-1.4-1.0-0.9-0.9-1.2-1.4-0.2-0.1-0.1-0.50.10.20.50.1-0.1-0.1-0.6-1.3-1.1-1.00.30.2-0.1-0.7-0.7-1.5-1.00.2-0.5-0.60.20.10.10.0-6.1
Percentage of Assets-0.0-0.20.10.10.00.0-0.0-0.0-0.0-0.1-0.1-0.2-0.2-0.1-0.1-0.1-0.1-0.1-0.1-0.0-0.0-0.0-0.00.00.00.00.0-0.0-0.0-0.1-0.1-0.1-0.10.00.0-0.0-0.1-0.1-0.2-0.10.0-0.0-0.10.00.00.00.00.0
Percentage of Assets us-gaap:AccumulatedOtherComprehensiveIncome0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:AccumulatedTranslationAdjustment


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302014-12-31
Value-5.807-8.041-6.692-12.924-18.383-18.153-15.989-18.047-15.189-9.173-12.353-11.406-6.6450.177-6.621-11.361-15.231-18.367-19.374-14.023-13.468-8.83-8.797-6.8460.00.0
Percentage of StockholdersEquity-0.1-0.2-0.1-0.3-0.4-0.4-0.3-0.4-0.3-0.2-0.3-0.3-0.20.0-0.2-0.3-0.4-0.5-0.6-0.4-0.4-0.3-0.3-0.20.00.0
Percentage of Assets-0.0-0.0-0.0-0.0-0.0-0.0-0.0-0.0-0.0-0.0-0.0-0.0-0.00.0-0.0-0.0-0.0-0.1-0.1-0.0-0.0-0.0-0.0-0.00.00.0
Percentage of Assets us-gaap:AccumulatedTranslationAdjustment0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:CommonStockIncludingAdditionalPaidInCapital


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312013-12-312012-12-31
Value18761866185818501841183318261817180917991789176617541746175517451738173217271718171217071701169516901685167715711464
Percentage of StockholdersEquity33.835.335.336.136.937.436.437.238.239.240.541.642.743.945.746.247.448.650.450.951.953.154.555.256.357.458.966.561.5
Percentage of Assets3.13.33.63.73.74.04.14.24.24.34.44.54.64.64.74.84.84.95.05.25.25.25.35.45.65.65.86.46.5
Percentage of Assets us-gaap:CommonStockIncludingAdditionalPaidInCapital0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:RetainedEarnings


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312008-12-31
Value4335415840003875375536953689354534143305316030202883274025762520241723282187210620251951187218091744167515981531146814101360130512521201115110951040986934877824772720689650621604580
Percentage of StockholdersEquity78.178.775.975.675.375.473.572.672.172.071.471.270.168.967.166.765.965.363.862.361.460.760.058.958.157.056.155.354.453.857.556.555.551.348.447.345.343.240.438.837.035.834.128.927.827.026.437.4
Percentage of Assets7.27.37.77.77.68.08.38.28.07.97.77.77.67.36.96.96.76.66.36.36.15.95.85.85.85.65.65.45.35.15.55.35.45.25.15.04.84.54.34.03.83.73.53.43.30.02.90.0
Percentage of Assets us-gaap:RetainedEarnings0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:TreasuryStock


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312008-12-31
Value-649.337-649.066-634.083-633.486-633.455-633.439-479.864-479.459-479.398-479.265-467.961-452.327-452.327-452.327-452.327-452.05-451.646-451.541-439.387-439.306-439.256-439.216-436.162-436.057-435.985-435.889-430.198-427.348-427.042-426.694-537.279-532.378-531.761-418.05-322.298-321.471-269.217-219.175-116.001-114.954-113.946-112.537-111.262-109.661-108.018-106.088-105.13-102.817
Percentage of StockholdersEquity-11.7-12.3-12.0-12.4-12.7-12.9-9.6-9.8-10.1-10.4-10.6-10.7-11.0-11.4-11.8-12.0-12.3-12.7-12.8-13.0-13.3-13.7-14.0-14.2-14.5-14.8-15.1-15.4-15.8-16.3-22.7-23.0-23.6-17.8-13.5-13.9-11.7-9.6-5.0-5.1-5.1-5.2-5.3-4.6-4.6-4.6-4.6-6.6
Percentage of Assets-1.1-1.1-1.2-1.3-1.3-1.4-1.1-1.1-1.1-1.1-1.1-1.2-1.2-1.2-1.2-1.2-1.3-1.3-1.3-1.3-1.3-1.3-1.3-1.4-1.5-1.5-1.5-1.5-1.5-1.6-2.2-2.2-2.3-1.8-1.4-1.5-1.3-1.0-0.5-0.5-0.5-0.5-0.5-0.5-0.50.0-0.50.0
Percentage of Assets us-gaap:TreasuryStock0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Tier One Risk Based Capital

us-gaap:TierOneRiskBasedCapital dei:LegalEntity

us-gaap:TierOneRiskBasedCapital

ewbc:Company


Tier
Period End2020-12-312019-12-312018-12-312017-12-31
Value4882454639663390
Percentage of TierOneRiskBasedCapital100.0100.0100.0100.0
Percentage of Assets9.410.39.79.1
Percentage of Assets ewbc:Company0.00.00.00.0

ewbc:EastWestBank


Tier
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-31
Value46624516394433783095275423162041204620611859
Percentage of TierOneRiskBasedCapital95.599.399.499.70.00.00.00.00.00.00.0
Percentage of Assets8.910.29.69.18.98.58.18.39.19.49.0
Percentage of Assets ewbc:EastWestBank0.00.00.00.00.00.00.00.00.00.00.0

Cash And Cash Equivalents At Carrying Value

us-gaap:CashAndCashEquivalentsAtCarryingValue

us-gaap:CashAndCashEquivalentsAtCarryingValue


Cash
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312008-12-31
Value5997461940174506453330803261304236213785300122182297231421741736275224341878166615922265136018751877188610391115124618848951322105017361323181624291635143111051598149213331089139413801099878
Percentage of CashAndCashEquivalentsAtCarryingValue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets10.08.17.78.99.26.77.47.08.49.07.35.76.06.15.94.87.76.95.45.04.86.84.26.06.26.33.63.94.56.93.65.44.57.55.98.311.37.56.55.17.37.16.45.37.00.05.30.0

us-gaap:CashAndCashEquivalentsAtCarryingValue us-gaap:ConsolidatedEntities

srt:ParentCompany


Cash
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-31
Value4391661491593918
Percentage of CashAndCashEquivalentsAtCarryingValue10.95.15.07.32.11.4
Percentage of Assets0.80.40.40.40.10.1
Percentage of Assets srt:ParentCompany8.03.23.34.00.00.0

us-gaap:CashAndCashEquivalentsAtCarryingValue us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementBasis

us-gaap:FairValueInputsLevel1, us-gaap:EstimateOfFairValueFairValueDisclosure


Cash
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-31
Value599746194017450645333080326130423621378530012218229723142174173627522434187816661592226513601875187718861039
Percentage of CashAndCashEquivalentsAtCarryingValue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets10.08.17.78.99.26.77.47.08.49.07.35.76.06.15.94.87.76.95.45.04.86.84.26.06.26.33.6
Percentage of Assets us-gaap:FairValueInputsLevel1 us-gaap:EstimateOfFairValueFairValueDisclosure0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:CashAndCashEquivalentsAtCarryingValue us-gaap:FairValueByMeasurementBasis

us-gaap:CarryingReportedAmountFairValueDisclosure


Cash
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312013-12-31
Value599746194017450645333080326130423621378530012218229723142174173627522434187816661592226513601875187718861039895
Percentage of CashAndCashEquivalentsAtCarryingValue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets10.08.17.78.99.26.77.47.08.49.07.35.76.06.15.94.87.76.95.45.04.86.84.26.06.26.33.63.6
Percentage of Assets us-gaap:CarryingReportedAmountFairValueDisclosure0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:EstimateOfFairValueFairValueDisclosure


Cash
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302013-12-31
Value5997461940174506453330803261304236213785300122182297231421741736275224341878166615922265136018751877188610391115895
Percentage of CashAndCashEquivalentsAtCarryingValue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets10.08.17.78.99.26.77.47.08.49.07.35.76.06.15.94.87.76.95.45.04.86.84.26.06.26.33.63.93.6
Percentage of Assets us-gaap:EstimateOfFairValueFairValueDisclosure0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents

us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents

us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents


Cash
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312016-12-31
Value5997461940174506453330803261304236213785300122182297231421741878
Percentage of CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets10.08.17.78.99.26.77.47.08.49.07.35.76.06.15.95.4

us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents us-gaap:ConsolidatedEntities

srt:ParentCompany


Cash
Period End2020-12-312019-12-312018-12-312017-12-312016-12-31
Value43916614915939
Percentage of CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents10.95.15.07.32.1
Percentage of Assets0.80.40.40.40.1
Percentage of Assets srt:ParentCompany8.03.23.34.00.0

Accumulated Depreciation Depletion And Amortization Property Plant And Equipment

us-gaap:AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment

us-gaap:AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment


Accumulated
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302010-12-31
Value13313012712512212011611412512211811511210911110910510311411010610310096928885736971686764-66.5-64.2-62.659586160
Percentage of AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.20.20.20.20.20.30.30.30.30.30.30.30.30.30.30.30.30.30.30.30.30.30.30.30.30.30.30.30.30.30.30.30.3-0.3-0.3-0.30.30.30.30.3

Amortization Of Intangible Assets

us-gaap:AmortizationOfIntangibleAssets us-gaap:FiniteLivedIntangibleAssetsByMajorClass

us-gaap:AmortizationOfIntangibleAssets

us-gaap:CoreDeposits


Amortization
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-30
Value0.710.7320.80.9270.9310.9531.01.21.11.21.31.31.41.51.61.71.81.81.92.02.12.12.52.62.6242.52.32.32.42.42.52.72.82.92.93.1
Percentage of AmortizationOfIntangibleAssets100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0
Percentage of Assets us-gaap:CoreDeposits0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

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
Value99102103107110115118120121124119120122119121131128128159162163165166169173176180181183185177185111109107114115116118119116133135
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 Assets0.20.20.20.20.20.30.30.30.30.30.30.30.30.30.30.40.40.40.50.50.50.50.50.50.60.60.60.60.70.70.70.80.50.50.50.50.50.50.50.50.50.60.7

Goodwill

us-gaap:Goodwill

us-gaap:Goodwill


Goodwill
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302009-12-31
Value465465465465465465465465465465465465465465469469469469469469469469469469469469469458458458337337337337337337337337337337337337337337337337
Percentage of Goodwill100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.80.80.90.90.91.01.11.11.11.11.11.21.21.21.31.31.31.31.31.41.41.41.51.51.61.61.61.61.71.71.41.41.41.51.51.51.61.61.51.51.51.61.61.71.71.6

Finite Lived Intangible Assets Net

us-gaap:FiniteLivedIntangibleAssetsNet us-gaap:FiniteLivedIntangibleAssetsByMajorClass

us-gaap:FiniteLivedIntangibleAssetsNet

us-gaap:CoreDeposits


Finite
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-31
Value4.9355.6456.3777.28.1279.05810111213141517182122242627
Percentage of FiniteLivedIntangibleAssetsNet100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.10.10.10.10.1
Percentage of Assets us-gaap:CoreDeposits0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

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
Value16310611797129135384255185-201.8830.48
Percentage of DeferredTaxAssetsLiabilitiesNet100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.30.20.30.30.40.41.31.00.8-0.90.0

Operating Lease Right Of Use Asset

us-gaap:OperatingLeaseRightOfUseAsset

us-gaap:OperatingLeaseRightOfUseAsset


Operating
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value1029495969410199103109104
Percentage of OperatingLeaseRightOfUseAsset100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.20.20.20.20.20.20.20.20.30.2

Equity Securities Fv Ni

us-gaap:EquitySecuritiesFvNi us-gaap:BalanceSheetLocation

us-gaap:EquitySecuritiesFvNi

ewbc:InvestmentsInTaxCreditAndOtherInvestmentsNet


Equity
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-30
Value262631313130313131303130
Percentage of EquitySecuritiesFvNi100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.00.00.10.10.10.10.10.10.10.10.10.1
Percentage of Assets ewbc:InvestmentsInTaxCreditAndOtherInvestmentsNet0.00.00.00.00.00.00.00.00.00.00.00.0

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

us-gaap:FairValueInputsLevel1, us-gaap:FairValueMeasurementsRecurring


Equity
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-30
Value222222222222212121212020
Percentage of EquitySecuritiesFvNi83.483.372.072.072.273.368.668.668.468.166.366.1
Percentage of Assets0.00.00.00.00.00.00.00.10.10.10.10.1
Percentage of Assets us-gaap:FairValueInputsLevel1 us-gaap:FairValueMeasurementsRecurring0.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:FairValueInputsLevel2, us-gaap:FairValueMeasurementsRecurring


Equity
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-30
Value4.4744.468.7248.7418.688.1359.9279.9879.9579.8861010
Percentage of EquitySecuritiesFvNi16.716.727.927.927.926.831.331.531.732.033.834.0
Percentage of Assets0.00.00.00.00.00.00.00.00.00.00.00.0
Percentage of Assets us-gaap:FairValueInputsLevel2 us-gaap:FairValueMeasurementsRecurring0.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:EquitySecuritiesFvNi us-gaap:FairValueByMeasurementFrequency

us-gaap:FairValueMeasurementsRecurring


Equity
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-31
Value2626313131303131313031
Percentage of EquitySecuritiesFvNi100.1100.099.999.9100.1100.199.9100.1100.1100.1100.0
Percentage of Assets0.00.00.10.10.10.10.10.10.10.10.1
Percentage of Assets us-gaap:FairValueMeasurementsRecurring0.00.00.00.00.00.00.00.00.00.00.0

Other Assets

us-gaap:OtherAssets

us-gaap:OtherAssets


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-31
Value14441190132413961393145291710779307677437987326686786636496617829889739559921020101810461001768679529533448471496517794850807500714600609594
Percentage of OtherAssets100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets2.42.12.52.82.83.22.12.52.21.81.82.01.91.81.81.81.81.92.23.03.02.93.13.33.43.53.52.72.51.92.21.82.02.12.33.64.03.72.33.32.72.92.9

us-gaap:OtherAssets us-gaap:ConsolidatedEntities

srt:ParentCompany


Other
Period End2020-12-312019-12-312018-12-312017-12-31
Value3.0723.9416.4877.062
Percentage of OtherAssets0.20.40.91.0
Percentage of Assets0.00.00.00.0
Percentage of Assets srt:ParentCompany0.10.10.10.2

Time Deposit Maturities Year One

us-gaap:TimeDepositMaturitiesYearOne

us-gaap:TimeDepositMaturitiesYearOne


Time
Period End2020-12-312012-12-312011-12-31
Value860852126204
Percentage of TimeDepositMaturitiesYearOne100.0100.0100.0
Percentage of Assets16.523.128.2

Long Term Debt

us-gaap:LongTermDebt us-gaap:ConsolidatedEntities

us-gaap:LongTermDebt

srt:ParentCompany


Long
Period End2020-12-312019-12-312018-12-312017-12-31
Value147147146171
Percentage of LongTermDebt100.0100.0100.0100.0
Percentage of Assets0.30.30.40.5
Percentage of Assets srt:ParentCompany2.72.83.24.3

us-gaap:LongTermDebt us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementBasis

us-gaap:FairValueInputsLevel2, us-gaap:EstimateOfFairValueFairValueDisclosure


Long
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-31
Value15015115015771578152152145152152152162167172171139183182186195196194186187193207205
Percentage of LongTermDebt0.00.0101.90.00.00.0103.80.00.00.0103.90.00.00.0100.10.00.00.00.00.00.00.00.00.00.00.00.0
Percentage of Assets0.30.30.33.13.20.30.30.30.40.40.40.40.40.50.50.40.50.50.50.60.60.60.60.60.60.70.7
Percentage of Assets us-gaap:FairValueInputsLevel2 us-gaap:EstimateOfFairValueFairValueDisclosure0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:LongTermDebt us-gaap:FairValueByMeasurementBasis

us-gaap:CarryingReportedAmountFairValueDisclosure


Long
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312013-12-31
Value14714714715741575147147147146146146156161166171176176181186191196201206211215220225226
Percentage of LongTermDebt0.00.0100.00.00.00.0100.00.00.00.0100.00.00.00.0100.00.00.00.00.00.00.00.00.00.00.00.00.00.0
Percentage of Assets0.20.30.33.13.20.30.30.30.30.30.40.40.40.40.50.50.50.50.50.60.60.60.60.70.70.70.80.9
Percentage of Assets us-gaap:CarryingReportedAmountFairValueDisclosure0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:EstimateOfFairValueFairValueDisclosure


Long
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302013-12-31
Value15015115015771578152152145152152152162167172171139183182186195196194186187193207205201184
Percentage of LongTermDebt0.00.0101.90.00.00.0103.80.00.00.0103.90.00.00.0100.10.00.00.00.00.00.00.00.00.00.00.00.00.00.0
Percentage of Assets0.30.30.33.13.20.30.30.30.40.40.40.40.40.50.50.40.50.50.50.60.60.60.60.60.60.70.70.70.7
Percentage of Assets us-gaap:EstimateOfFairValueFairValueDisclosure0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Long Term Debt And Capital Lease Obligations

us-gaap:LongTermDebtAndCapitalLeaseObligations

us-gaap:LongTermDebtAndCapitalLeaseObligations


Long
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-31
Value15115215115791580152152
Percentage of LongTermDebtAndCapitalLeaseObligations100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.30.30.33.13.20.30.3

Operating Lease Liability

us-gaap:OperatingLeaseLiability

us-gaap:OperatingLeaseLiability


Operating
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value110101102103102109108112117112
Percentage of OperatingLeaseLiability100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.20.20.20.20.20.20.20.30.30.3

Stockholders Equity

us-gaap:StockholdersEquity

us-gaap:StockholdersEquity


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312008-12-31
Value554752855269512649874902501748824734459144234244411439783841378136703565342733783296321631223071300429382850276827012624236423112257234323822318229422832311226122292157211323842338230522841550
Percentage of StockholdersEquity100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets9.39.310.110.210.110.711.411.311.010.910.810.910.810.610.310.410.210.19.910.210.09.79.79.910.09.89.99.79.89.69.69.49.710.110.610.610.710.510.510.410.210.210.211.711.70.011.10.0

us-gaap:StockholdersEquity us-gaap:ConsolidatedEntities

srt:ParentCompany


Stockholders
Period End2020-12-312019-12-312018-12-312017-12-31
Value5269501744233841
Percentage of StockholdersEquity100.0100.0100.0100.0
Percentage of Assets10.111.410.810.3
Percentage of Assets srt:ParentCompany95.797.096.595.4

us-gaap:StockholdersEquity us-gaap:StatementEquityComponents

us-gaap:AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedges


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-06-302019-03-312018-12-31
Value-0.73-0.798-1.23-1.246-1.3330.00.00.00.00.0
Percentage of StockholdersEquity-0.0-0.0-0.0-0.0-0.00.00.00.00.00.0
Percentage of Assets-0.0-0.0-0.0-0.0-0.00.00.00.00.00.0
Percentage of Assets us-gaap:AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedges0.00.00.00.00.00.00.00.00.00.0

us-gaap:AccumulatedNetUnrealizedInvestmentGainLoss


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312013-12-31
Value-8.152-81.20152474225-2.419175.217-23.81-45.821-78.43-64.822-55.981-30.898-20.856-18.95-25.151-28.7726.849116.772-6.1448.6765.43134.237-30.459
Percentage of StockholdersEquity-0.1-1.51.00.90.90.5-0.00.30.1-0.5-1.0-1.8-1.6-1.4-0.8-0.6-0.5-0.7-0.80.20.40.2-0.20.30.20.50.1-1.3
Percentage of Assets-0.0-0.10.10.10.10.1-0.00.00.0-0.1-0.1-0.2-0.2-0.1-0.1-0.1-0.1-0.1-0.10.00.00.0-0.00.00.00.00.0-0.1
Percentage of Assets us-gaap:AccumulatedNetUnrealizedInvestmentGainLoss0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:AccumulatedOtherComprehensiveIncome


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312008-12-31
Value-14.689-90.044433236.881-18.408-0.967-9.972-32.983-58.174-89.836-71.467-55.804-37.519-32.217-34.181-43.518-48.146-7.174-1.712-2.058-14.9411.835.43134.237-2.428-2.535-17.037-30.459-25.178-21.6786.1854.669-1.517-15.923-16.878-33.94-21.5954.43-10.155-12.4145.1352.3022.0830.599-94.601
Percentage of StockholdersEquity-0.3-1.70.80.60.50.1-0.4-0.0-0.2-0.7-1.3-2.1-1.7-1.4-1.0-0.9-0.9-1.2-1.4-0.2-0.1-0.1-0.50.10.20.50.1-0.1-0.1-0.6-1.3-1.1-1.00.30.2-0.1-0.7-0.7-1.5-1.00.2-0.5-0.60.20.10.10.0-6.1
Percentage of Assets-0.0-0.20.10.10.00.0-0.0-0.0-0.0-0.1-0.1-0.2-0.2-0.1-0.1-0.1-0.1-0.1-0.1-0.0-0.0-0.0-0.00.00.00.00.0-0.0-0.0-0.1-0.1-0.1-0.10.00.0-0.0-0.1-0.1-0.2-0.10.0-0.0-0.10.00.00.00.00.0
Percentage of Assets us-gaap:AccumulatedOtherComprehensiveIncome0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:AccumulatedTranslationAdjustment


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302014-12-31
Value-5.807-8.041-6.692-12.924-18.383-18.153-15.989-18.047-15.189-9.173-12.353-11.406-6.6450.177-6.621-11.361-15.231-18.367-19.374-14.023-13.468-8.83-8.797-6.8460.00.0
Percentage of StockholdersEquity-0.1-0.2-0.1-0.3-0.4-0.4-0.3-0.4-0.3-0.2-0.3-0.3-0.20.0-0.2-0.3-0.4-0.5-0.6-0.4-0.4-0.3-0.3-0.20.00.0
Percentage of Assets-0.0-0.0-0.0-0.0-0.0-0.0-0.0-0.0-0.0-0.0-0.0-0.0-0.00.0-0.0-0.0-0.0-0.1-0.1-0.0-0.0-0.0-0.0-0.00.00.0
Percentage of Assets us-gaap:AccumulatedTranslationAdjustment0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:CommonStockIncludingAdditionalPaidInCapital


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312013-12-312012-12-31
Value18761866185818501841183318261817180917991789176617541746175517451738173217271718171217071701169516901685167715711464
Percentage of StockholdersEquity33.835.335.336.136.937.436.437.238.239.240.541.642.743.945.746.247.448.650.450.951.953.154.555.256.357.458.966.561.5
Percentage of Assets3.13.33.63.73.74.04.14.24.24.34.44.54.64.64.74.84.84.95.05.25.25.25.35.45.65.65.86.46.5
Percentage of Assets us-gaap:CommonStockIncludingAdditionalPaidInCapital0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:RetainedEarnings


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312008-12-31
Value4335415840003875375536953689354534143305316030202883274025762520241723282187210620251951187218091744167515981531146814101360130512521201115110951040986934877824772720689650621604580
Percentage of StockholdersEquity78.178.775.975.675.375.473.572.672.172.071.471.270.168.967.166.765.965.363.862.361.460.760.058.958.157.056.155.354.453.857.556.555.551.348.447.345.343.240.438.837.035.834.128.927.827.026.437.4
Percentage of Assets7.27.37.77.77.68.08.38.28.07.97.77.77.67.36.96.96.76.66.36.36.15.95.85.85.85.65.65.45.35.15.55.35.45.25.15.04.84.54.34.03.83.73.53.43.30.02.90.0
Percentage of Assets us-gaap:RetainedEarnings0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:TreasuryStock


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312008-12-31
Value-649.337-649.066-634.083-633.486-633.455-633.439-479.864-479.459-479.398-479.265-467.961-452.327-452.327-452.327-452.327-452.05-451.646-451.541-439.387-439.306-439.256-439.216-436.162-436.057-435.985-435.889-430.198-427.348-427.042-426.694-537.279-532.378-531.761-418.05-322.298-321.471-269.217-219.175-116.001-114.954-113.946-112.537-111.262-109.661-108.018-106.088-105.13-102.817
Percentage of StockholdersEquity-11.7-12.3-12.0-12.4-12.7-12.9-9.6-9.8-10.1-10.4-10.6-10.7-11.0-11.4-11.8-12.0-12.3-12.7-12.8-13.0-13.3-13.7-14.0-14.2-14.5-14.8-15.1-15.4-15.8-16.3-22.7-23.0-23.6-17.8-13.5-13.9-11.7-9.6-5.0-5.1-5.1-5.2-5.3-4.6-4.6-4.6-4.6-6.6
Percentage of Assets-1.1-1.1-1.2-1.3-1.3-1.4-1.1-1.1-1.1-1.1-1.1-1.2-1.2-1.2-1.2-1.2-1.3-1.3-1.3-1.3-1.3-1.3-1.3-1.4-1.5-1.5-1.5-1.5-1.5-1.6-2.2-2.2-2.3-1.8-1.4-1.5-1.3-1.0-0.5-0.5-0.5-0.5-0.5-0.5-0.50.0-0.50.0
Percentage of Assets us-gaap:TreasuryStock0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Common Stock Value

us-gaap:CommonStockValue

us-gaap:CommonStockValue


Common
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312012-12-312011-09-302011-06-302011-03-312010-12-31
Value168000.0168000.0167000.0167000.0167000.0167000.0167000.0166000.0166000.0166000.0166000.0166000.0166000.0166000.0165000.0165000.0165000.0164000.0164000.0164000.0164000.0164000.0164000.0164000.0164000.0164000.0164000.0163000.0163000.0163000.0163000.0157000.0156000.0156000.0156000.0156000.0
Percentage of CommonStockValue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:CommonStockValue us-gaap:ConsolidatedEntities

srt:ParentCompany


Common
Period End2020-12-312019-12-312018-12-312017-12-31
Value167000.0167000.0166000.0165000.0
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
Value1876186518581850184118331826181718081798178917661754174617551745173817321727171817121706170116951690168516771666166116561571156415581470146414621456144914431436143114241434
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 Assets3.13.33.63.73.74.04.14.24.24.34.44.54.64.64.74.84.84.95.05.25.25.25.35.45.65.65.85.86.06.06.46.46.76.46.56.76.86.76.66.66.56.76.9

us-gaap:AdditionalPaidInCapital us-gaap:ConsolidatedEntities

srt:ParentCompany


Additional
Period End2020-12-312019-12-312018-12-312017-12-31
Value1858182617891755
Percentage of AdditionalPaidInCapital100.0100.0100.0100.0
Percentage of Assets3.64.14.44.7
Percentage of Assets srt:ParentCompany33.835.339.043.6

Retained Earnings Accumulated Deficit

us-gaap:RetainedEarningsAccumulatedDeficit

us-gaap:RetainedEarningsAccumulatedDeficit


Retained
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-31
Value4335415840003875375536953689354534143305316030202883274025762520241723282187210620251951187218091744167515981531146814101360130512521201115110951040986934877824772720
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 Assets7.27.37.77.77.68.08.38.28.07.97.77.77.67.36.96.96.76.66.36.36.15.95.85.85.85.65.65.45.35.15.55.35.45.25.15.04.84.54.34.03.83.73.5

us-gaap:RetainedEarningsAccumulatedDeficit us-gaap:ConsolidatedEntities

srt:ParentCompany


Retained
Period End2020-12-312019-12-312018-12-312017-12-31
Value4000368931602576
Percentage of RetainedEarningsAccumulatedDeficit100.0100.0100.0100.0
Percentage of Assets7.78.37.76.9
Percentage of Assets srt:ParentCompany72.771.368.964.0

Accumulated Other Comprehensive Income Loss Net Of Tax

us-gaap:AccumulatedOtherComprehensiveIncomeLossNetOfTax

us-gaap:AccumulatedOtherComprehensiveIncomeLossNetOfTax


Accumulated
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value-14.689-90.044433236.881-18.408-0.967-9.972-32.983-58.174-89.836-71.467-55.804-37.519-32.217-34.181-43.518-48.146-7.174-1.712-2.058-14.9411.835.43134.237-2.428-2.535-17.037-30.459-25.178-21.6786.1854.669-1.517-15.923-16.878-33.94-21.5954.43-10.155-12.4140.599
Percentage of AccumulatedOtherComprehensiveIncomeLossNetOfTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets-0.0-0.20.10.10.00.0-0.0-0.0-0.0-0.1-0.1-0.2-0.2-0.1-0.1-0.1-0.1-0.1-0.1-0.0-0.0-0.0-0.00.00.00.00.0-0.0-0.0-0.1-0.1-0.1-0.10.00.0-0.0-0.1-0.1-0.2-0.10.0-0.0-0.10.0

us-gaap:AccumulatedOtherComprehensiveIncomeLossNetOfTax us-gaap:ConsolidatedEntities

srt:ParentCompany


Accumulated
Period End2020-12-312019-12-312018-12-312017-12-31
Value44-18.408-58.174-37.519
Percentage of AccumulatedOtherComprehensiveIncomeLossNetOfTax100.0100.0100.0100.0
Percentage of Assets0.1-0.0-0.1-0.1
Percentage of Assets srt:ParentCompany0.8-0.4-1.3-0.9

Treasury Stock Value

us-gaap:TreasuryStockValue

us-gaap:TreasuryStockValue


Treasury
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-31
Value649649634633633633479479479479467452452452452452451451439439439439436436435435430427427426537532531418322321269219116114113112111
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 Assets1.11.11.21.31.31.41.11.11.11.11.11.21.21.21.21.21.31.31.31.31.31.31.31.41.51.51.51.51.51.62.22.22.31.81.41.51.31.00.50.50.50.50.5

us-gaap:TreasuryStockValue us-gaap:ConsolidatedEntities

srt:ParentCompany


Treasury
Period End2020-12-312019-12-312018-12-312017-12-31
Value634479467452
Percentage of TreasuryStockValue100.0100.0100.0100.0
Percentage of Assets1.21.11.11.2
Percentage of Assets srt:ParentCompany11.59.310.211.2

Net Cash Provided By Used In Operating Activities

us-gaap:NetCashProvidedByUsedInOperatingActivities

us-gaap:NetCashProvidedByUsedInOperatingActivities


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312011-09-302011-06-302011-03-312010-09-302010-06-302010-03-31
Value32371262159179913469915013918925821721731281196186224-140.501181158176249261
Percentage of NetCashProvidedByUsedInOperatingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of InterestAndDividendIncomeOperating8.197.468.943.744.920.474.220.831.730.141.561.254.258.68.983.060.961.574.2-49.766.262.276.198.482.0

Net Cash Provided By Used In Investing Activities

us-gaap:NetCashProvidedByUsedInInvestingActivities

us-gaap:NetCashProvidedByUsedInInvestingActivities


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312011-09-302011-06-302011-03-312010-09-302010-06-302010-03-31
Value-1218.54-4383.909-2453.518-884.585-2105.283-1405.33-702.358-871.667-878.47-118.681-1178.277-1178.572-435.245-1040.318-434.247-1419.765-433.042-213.401-1319.391-374.903-486.106-354.071-840.069665454
Percentage of NetCashProvidedByUsedInInvestingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of InterestAndDividendIncomeOperating-305.1-1149.5-643.4-241.9-527.9-312.9-150.3-182.8-185.0-25.6-257.6-279.2-108.7-279.8-120.7-417.7-134.2-70.5-436.7-132.6-177.1-139.2-363.0262.5142.8

Net Cash Provided By Used In Financing Activities

us-gaap:NetCashProvidedByUsedInFinancingActivities

us-gaap:NetCashProvidedByUsedInFinancingActivities


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312011-09-302011-06-302011-03-312010-09-302010-06-302010-03-31
Value269744751651729340811195912055787491767860228944828110548580131422409355358-900.425-435.012
Percentage of NetCashProvidedByUsedInFinancingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of InterestAndDividendIncomeOperating675.51173.4433.1199.5854.7249.1126.643.1121.8161.7386.5203.957.0254.0230.432.6169.8191.8435.28.0149.4139.9155.0-355.2-136.5

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

us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect

us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect


Cash
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value1378601-488.97-26.5611453-181.107218-579.333-163.711783782-78.684-17.467140
Percentage of CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of InterestAndDividendIncomeOperating345.2157.6-128.2-7.3364.5-40.346.8-121.5-34.5169.2171.1-18.6-4.437.7

Deferred Income Tax Expense Benefit

us-gaap:DeferredIncomeTaxExpenseBenefit

us-gaap:DeferredIncomeTaxExpenseBenefit


Deferred
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value2.3470.224-41.4240.02-0.1390.028-19.17-0.324-1.704-0.406-17.8410.0510.6430.67748-18.1991.4042.29523-0.6270.6393.718143108100.003-141.213-13.406-79.135330.0080.312-24.781310.291-20.1591250.7823626-19.9783.98231-2.874
Percentage of DeferredIncomeTaxExpenseBenefit100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Depreciation Depletion And Amortization

us-gaap:DepreciationDepletionAndAmortization

us-gaap:DepreciationDepletionAndAmortization


Depreciation
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-30
Value3237232737314031323943333229264346336443262827221317294922-13.536-158.1772223145.592-4.669-6.005-38.669228-16.6722-45.066309-68.29410
Percentage of DepreciationDepletionAndAmortization100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Net Cash Provided By Used In Operating Activities

us-gaap:NetCashProvidedByUsedInOperatingActivities

us-gaap:NetCashProvidedByUsedInOperatingActivities


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312011-09-302011-06-302011-03-312010-09-302010-06-302010-03-31
Value32371262159179913469915013918925821721731281196186224-140.501181158176249261
Percentage of NetCashProvidedByUsedInOperatingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of InterestAndDividendIncomeOperating8.197.468.943.744.920.474.220.831.730.141.561.254.258.68.983.060.961.574.2-49.766.262.276.198.482.0

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
Value22420416415999144188171150164173171172187841321181691101101031079194981009288837675737472717170686662605656463624
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 InterestAndDividendIncomeOperating56.353.743.043.624.932.240.335.931.735.437.840.643.150.323.639.036.756.136.739.337.038.933.935.638.738.032.431.028.526.825.826.029.030.226.028.026.526.824.622.122.122.019.320.314.37.8

us-gaap:NetIncomeLoss us-gaap:StatementBusinessSegments

ewbc:CommercialBanking


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value127110858340571007471588081836464656258
Percentage of NetIncomeLoss56.953.752.252.240.439.453.443.247.635.746.547.948.334.476.549.253.034.6
Percentage of InterestAndDividendIncomeOperating32.028.922.522.810.112.721.515.515.112.617.619.420.817.318.119.219.419.4
Percentage of InterestAndDividendIncomeOperating ewbc:CommercialBanking0.00.00.00.00.00.00.00.00.019.80.030.231.826.90.029.930.530.7

ewbc:ConsumerandBusinessBanking


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
Value7761534338536067576387767693
Percentage of NetIncomeLoss34.529.932.527.138.336.732.239.438.338.850.744.844.549.8
Percentage of InterestAndDividendIncomeOperating19.416.114.011.89.511.813.014.212.113.719.218.219.225.0
Percentage of InterestAndDividendIncomeOperating ewbc:ConsumerandBusinessBanking0.00.00.00.00.00.00.00.00.047.40.00.00.088.9

us-gaap:AllOtherSegments


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value193325322134272921417.574121325-30.212199.88563
Percentage of NetIncomeLoss8.616.415.320.621.323.814.417.314.125.54.47.47.913.7-35.614.98.437.6
Percentage of InterestAndDividendIncomeOperating4.98.86.69.05.37.75.86.24.59.01.73.03.46.9-8.45.83.121.1
Percentage of InterestAndDividendIncomeOperating us-gaap:AllOtherSegments0.00.00.00.00.00.00.00.00.0127.50.042.048.893.20.071.335.1218.7

us-gaap:NetIncomeLoss us-gaap:StatementEquityComponents

us-gaap:RetainedEarnings


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value22420416415999144188171150164173171172187841321181691101101031079194981009288837675737472717170686662605656463624
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 InterestAndDividendIncomeOperating56.353.743.043.624.932.240.335.931.735.437.840.643.150.323.639.036.756.136.739.337.038.933.935.638.738.032.431.028.526.825.826.029.030.226.028.026.526.824.622.122.122.019.320.314.37.8
Percentage of InterestAndDividendIncomeOperating us-gaap:RetainedEarnings0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Share Based Compensation

us-gaap:ShareBasedCompensation

us-gaap:ShareBasedCompensation


Share
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value8.2087.8177.0367.9217.0717.2097.7497.4878.0817.4446.736107.0576.1588.8775.6654.9645.1518.1294.7634.6354.5754.84.053.6983.9543.5013.6373.5653.184.2853.9953.3942.5041.1014.3644.1363.6373.6934.283.2832.2872.5972.2882.4291.447
Percentage of ShareBasedCompensation100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Net Cash Provided By Used In Investing Activities

us-gaap:NetCashProvidedByUsedInInvestingActivities

us-gaap:NetCashProvidedByUsedInInvestingActivities


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312011-09-302011-06-302011-03-312010-09-302010-06-302010-03-31
Value-1218.54-4383.909-2453.518-884.585-2105.283-1405.33-702.358-871.667-878.47-118.681-1178.277-1178.572-435.245-1040.318-434.247-1419.765-433.042-213.401-1319.391-374.903-486.106-354.071-840.069665454
Percentage of NetCashProvidedByUsedInInvestingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of InterestAndDividendIncomeOperating-305.1-1149.5-643.4-241.9-527.9-312.9-150.3-182.8-185.0-25.6-257.6-279.2-108.7-279.8-120.7-417.7-134.2-70.5-436.7-132.6-177.1-139.2-363.0262.5142.8

Payments To Acquire Property Plant And Equipment

us-gaap:PaymentsToAcquirePropertyPlantAndEquipment

us-gaap:PaymentsToAcquirePropertyPlantAndEquipment


Payments
Period End2021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312014-12-312014-09-302013-12-312013-09-302012-12-312012-09-302011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value1.5630.3960.4140.930.9161.3554.091.0783.3364.3691.8065.8551.7572.1566.6083.7991.1911.7693.9274.2262.2593.5112.4830.665774.4542.4213.0475.2611.1781.0210.887.6982.48179
Percentage of PaymentsToAcquirePropertyPlantAndEquipment100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Net Cash Provided By Used In Financing Activities

us-gaap:NetCashProvidedByUsedInFinancingActivities

us-gaap:NetCashProvidedByUsedInFinancingActivities


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312011-09-302011-06-302011-03-312010-09-302010-06-302010-03-31
Value269744751651729340811195912055787491767860228944828110548580131422409355358-900.425-435.012
Percentage of NetCashProvidedByUsedInFinancingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of InterestAndDividendIncomeOperating675.51173.4433.1199.5854.7249.1126.643.1121.8161.7386.5203.957.0254.0230.432.6169.8191.8435.28.0149.4139.9155.0-355.2-136.5

Payments For Repurchase Of Common Stock

us-gaap:PaymentsForRepurchaseOfCommonStock

us-gaap:PaymentsForRepurchaseOfCommonStock


Payments
Period End2020-12-312020-09-302020-06-302020-03-312019-06-302019-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-31
Value0.00.001-0.0011450.00.00.00.0112870.05048100
Percentage of PaymentsForRepurchaseOfCommonStock0.0100.0100.0100.00.00.00.00.0100.0100.00.0100.0100.0100.0

Deferred Tax Assets Net

us-gaap:DeferredTaxAssetsNet

us-gaap:DeferredTaxAssetsNet


Deferred
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-31
Value267198188149188191
Percentage of DeferredTaxAssetsNet100.0100.0100.0100.0100.0100.0

Unrecognized Tax Benefits

us-gaap:UnrecognizedTaxBenefits

us-gaap:UnrecognizedTaxBenefits


Unrecognized
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-312009-12-31
Value5.0450.04.37810107.1255.024.6773.4573.3324.9525.763
Percentage of UnrecognizedTaxBenefits100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Proceeds From Repayments Of Short Term Debt

us-gaap:ProceedsFromRepaymentsOfShortTermDebt

us-gaap:ProceedsFromRepaymentsOfShortTermDebt


Proceeds
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value0.0-21.143-39.932-194.91818539-19.529-18.593-19.514-1.7393.2362930-24.956-0.083-17.997-18.524247.635209.962-3.2710.03.2710.00.00.00.00.0-20.0200.00.0-25.208-4.741-52.666-3.404-2.52637-5.52822-14.643
Percentage of ProceedsFromRepaymentsOfShortTermDebt0.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.00.00.00.00.00.0100.0100.00.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

ewbc:AccretionAmortizationofDiscountandPremiumsNet

ewbc:AccretionAmortizationofDiscountandPremiumsNet


Accretion
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value-5.54-5.77-1.518-0.927144.5199.4623.15.4034.4146.1014.5617.232.68-11.9775.8898.4174.931
Percentage of AccretionAmortizationofDiscountandPremiumsNet100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

ewbc:AllowanceForUnfundedCreditCommitmentsPeriodIncreaseDecrease us-gaap:FinancingReceivablePortfolioSegment

ewbc:AllowanceForUnfundedCreditCommitmentsPeriodIncreaseDecrease

ewbc:CommercialandConsumerPortfolioSegment


Allowance
Period End2021-06-302021-03-31
Value6200000.01100000.0
Percentage of AllowanceForUnfundedCreditCommitmentsPeriodIncreaseDecrease100.0100.0

ewbc:AssetsPurchasedUnderAgreementstoRepurchaseInterestRate

ewbc:AssetsPurchasedUnderAgreementstoRepurchaseInterestRate


Assets
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value2.70.0340.041-0.00130.04680.04930.05010.0010.04650.04480.03950.00060.0356
Percentage of AssetsPurchasedUnderAgreementstoRepurchaseInterestRate100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

ewbc:AssetsPurchasedUnderAgreementstoResellYield

ewbc:AssetsPurchasedUnderAgreementstoResellYield


Assets
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value1.720.02140.0254-0.00040.02570.0270.0280.00040.02630.02630.02520.00060.0229
Percentage of AssetsPurchasedUnderAgreementstoResellYield100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

ewbc:AssetsPurchasedUnderAgreementstoResellYield ewbc:AssetsPurchasedUnderResaleAgreements

ewbc:LoansPurchasedUnderResaleAgreements


Assets
Period End2021-06-302021-03-31
Value1.472.02
Percentage of AssetsPurchasedUnderAgreementstoResellYield0.00.0

ewbc:SecuritiesPurchasedUnderResaleAgreements


Assets
Period End2021-06-302021-03-312020-06-302020-03-31
Value1.541.572.142.5
Percentage of AssetsPurchasedUnderAgreementstoResellYield0.00.010000.09842.5

ewbc:AssetsSoldUnderAgreementsToRepurchaseWeightedAverageInterestRate

ewbc:AssetsSoldUnderAgreementsToRepurchaseWeightedAverageInterestRate


Assets
Period End2021-06-302021-03-312020-06-302020-03-31
Value2.632.673.44.1
Percentage of AssetsSoldUnderAgreementsToRepurchaseWeightedAverageInterestRate100.0100.0100.0100.0

ewbc:ComputerSoftwareExpense

ewbc:ComputerSoftwareExpense


Computer
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-06-30
Value7.5217.1597.0278.5397.3016.1667.6266.5566.2116.0785.549
Percentage of ComputerSoftwareExpense100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

ewbc:DepositAccountExpense

ewbc:DepositAccountExpense


Deposit
Period End2021-06-302021-03-312020-06-302020-03-31
Value3.8173.8923.3533.563
Percentage of DepositAccountExpense100.0100.0100.0100.0

ewbc:Depositaccountfees

ewbc:Depositaccountfees


Depositaccountfees
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value1715141210109.3019.9189.7889.6418.8299.7771010
Percentage of Depositaccountfees100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

ewbc:Depositrelatedexpenses

ewbc:Depositrelatedexpenses


Depositrelatedexpenses
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-30
Value3.1133.3533.5633.7493.5843.3383.5043.0432.6
Percentage of Depositrelatedexpenses100.0100.0100.0100.0100.0100.0100.0100.0100.0

ewbc:DividendIncomeInvestmentsinFederalHomeLoanBankandFederalReserveBankStock

ewbc:DividendIncomeInvestmentsinFederalHomeLoanBankandFederalReserveBankStock


Dividend
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-31
Value541000.0547000.0443000.0353000.0301000.0446000.0594000.0656000.0505000.0713000.0991000.0721000.0800000.0634000.0665000.0612000.0470000.0777000.01419000.0611000.0602000.0795000.0
Percentage of DividendIncomeInvestmentsinFederalHomeLoanBankandFederalReserveBankStock100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

ewbc:FinancingReceivableAllowanceForCreditLossWriteOffNetOfRecovery

ewbc:FinancingReceivableAllowanceForCreditLossWriteOffNetOfRecovery


Financing
Period End2021-06-302021-03-312020-06-302020-03-31
Value1313190.898
Percentage of FinancingReceivableAllowanceForCreditLossWriteOffNetOfRecovery100.0100.0100.0100.0

ewbc:FinancingReceivableAllowanceForCreditLossWriteOffNetOfRecovery us-gaap:FinancingReceivablePortfolioSegment

ewbc:CommercialandConsumerPortfolioSegment


Financing
Period End2020-09-302020-06-302019-09-302019-06-30
Value2419227.638
Percentage of FinancingReceivableAllowanceForCreditLossWriteOffNetOfRecovery0.0100.00.00.0

ewbc:FinancingReceivableAllowanceForCreditLossWriteOffNetOfRecovery us-gaap:FinancingReceivablePortfolioSegment, us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable

us-gaap:CommercialPortfolioSegment, ewbc:CommercialAndIndustrialLoan


Financing
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-30
Value9.2347.6766.726231910112310
Percentage of FinancingReceivableAllowanceForCreditLossWriteOffNetOfRecovery69.657.30.00.0102.81158.40.00.00.0

us-gaap:CommercialPortfolioSegment, ewbc:ConstructionAndLandLoan


Financing
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-30
Value0.203-0.258-0.022-0.03-0.007-0.021-0.013-0.021-0.439
Percentage of FinancingReceivableAllowanceForCreditLossWriteOffNetOfRecovery1.5-1.90.00.0-0.0-2.30.00.00.0

us-gaap:CommercialPortfolioSegment, us-gaap:CommercialRealEstate


Financing
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-30
Value3.8127.115120.9290.094-8.706-1.254-0.875-1.837
Percentage of FinancingReceivableAllowanceForCreditLossWriteOffNetOfRecovery28.753.10.00.00.5-969.50.00.00.0

us-gaap:ConsumerPortfolioSegment, ewbc:OtherConsumer


Financing
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-30
Value0.029-0.0010.0040.124-0.0630.0250.0050.0050.007
Percentage of FinancingReceivableAllowanceForCreditLossWriteOffNetOfRecovery0.2-0.00.00.0-0.32.80.00.00.0

us-gaap:ConsumerPortfolioSegment, us-gaap:HomeEquity


Financing
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-30
Value-0.0180.042-0.002-0.0430.219-0.0020.0-0.0050.0
Percentage of FinancingReceivableAllowanceForCreditLossWriteOffNetOfRecovery-0.10.30.00.01.1-0.20.00.00.0

ewbc:FinancingReceivableAllowanceForCreditLossWriteOffNetOfRecovery us-gaap:MortgageLoansOnRealEstateDescriptionTypeOfProperty, us-gaap:FinancingReceivablePortfolioSegment, us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable

srt:Multifamily, us-gaap:CommercialPortfolioSegment, us-gaap:RealEstateLoan


Financing
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-30
Value0.097-1.225-0.16-0.665-0.62-0.535-1.48-0.042-0.053
Percentage of FinancingReceivableAllowanceForCreditLossWriteOffNetOfRecovery0.7-9.10.00.0-3.2-59.60.00.00.0

srt:SingleFamily, us-gaap:ConsumerPortfolioSegment, us-gaap:RealEstateLoan


Financing
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-30
Value-0.0820.057-0.1610.0-0.159-0.265-0.002-0.049-0.072
Percentage of FinancingReceivableAllowanceForCreditLossWriteOffNetOfRecovery-0.60.40.00.0-0.8-29.50.00.00.0

ewbc:FinancingReceivableAmountConvertedtoTermLoans us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable

ewbc:FinancingReceivableAmountConvertedtoTermLoans

ewbc:CommercialAndIndustrialLoan


Financing
Period End2020-12-312020-09-30
Value230.25
Percentage of FinancingReceivableAmountConvertedtoTermLoans100.0100.0

us-gaap:CommercialRealEstate


Financing
Period End2021-06-302021-03-31
Value0.05.0
Percentage of FinancingReceivableAmountConvertedtoTermLoans0.00.0

us-gaap:HomeEquity


Financing
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-31
Value204426591231
Percentage of FinancingReceivableAmountConvertedtoTermLoans0.00.0113.323920.00.00.0

ewbc:FinancingReceivableAndOffBalanceSheetCreditLossAllowancePeriodIncreaseDecrease

ewbc:FinancingReceivableAndOffBalanceSheetCreditLossAllowancePeriodIncreaseDecrease


Financing
Period End2021-06-302021-03-31
Value-28000000.0-13600000.0
Percentage of FinancingReceivableAndOffBalanceSheetCreditLossAllowancePeriodIncreaseDecrease100.0100.0

ewbc:Foreignexchangeincome

ewbc:Foreignexchangeincome


Foreignexchangeincome
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value139.5266.6793.314.5627.8196.0328.0657.2865.0157.196.0776.8221.171
Percentage of Foreignexchangeincome100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

ewbc:InterestIncomeAssetsPurchasedUnderAgreementsToResell

ewbc:InterestIncomeAssetsPurchasedUnderAgreementsToResell


Interest
Period End2021-06-302021-03-312020-06-302020-03-31
Value8.0216.0995.5145.625
Percentage of InterestIncomeAssetsPurchasedUnderAgreementsToResell100.0100.0100.0100.0

ewbc:Interestratecontractsandotherderivativeincome

ewbc:Interestratecontractsandotherderivativeincome


Interestratecontractsandotherderivativeincome
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value-3.17216125.5386.1077.073178.423103.2161.1254.5956.576.69
Percentage of Interestratecontractsandotherderivativeincome100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

ewbc:Lendingfees

ewbc:Lendingfees


Lendingfees
Period 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
Value211818182115171416141515
Percentage of Lendingfees100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

ewbc:LoansPurchasedUnderAgreementsToResellIncrease

ewbc:LoansPurchasedUnderAgreementsToResellIncrease


Loans
Period End2020-12-31
Value300
Percentage of LoansPurchasedUnderAgreementsToResellIncrease100.0

ewbc:NetReductiontoInterestIncome

ewbc:NetReductiontoInterestIncome


Net
Period End2020-12-312020-09-302020-06-30
Value100000.0-1200000.0-1200000.0
Percentage of NetReductiontoInterestIncome100.0100.0100.0

ewbc:NewEquitySecuritiesWithoutReadilyDeterminableFairValue

ewbc:NewEquitySecuritiesWithoutReadilyDeterminableFairValue


New
Period End2020-12-31
Value5000000.0
Percentage of NewEquitySecuritiesWithoutReadilyDeterminableFairValue100.0

ewbc:NoninterestExpenseAmortizationofTaxCreditandOtherInvestments

ewbc:NoninterestExpenseAmortizationofTaxCreditandOtherInvestments


Noninterest
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value27251512241739161624
Percentage of NoninterestExpenseAmortizationofTaxCreditandOtherInvestments100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

ewbc:OtherComprehensiveIncomeLossNetInvestmentHedgeGainLoss us-gaap:DerivativeInstrumentRisk, us-gaap:DerivativeInstrumentsGainLossByHedgingRelationship, us-gaap:HedgingDesignation

ewbc:OtherComprehensiveIncomeLossNetInvestmentHedgeGainLoss

us-gaap:ForeignExchangeContract, us-gaap:NetInvestmentHedging, us-gaap:DesignatedAsHedgingInstrument


Other
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-30
Value-1643000.0101000.0-2627000.0-377000.01004000.02954000.0-598000.02005000.02960000.04938000.0
Percentage of OtherComprehensiveIncomeLossNetInvestmentHedgeGainLoss100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

ewbc:OtherSourcesOfNoninterestIncome

ewbc:OtherSourcesOfNoninterestIncome


Other
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value3244384936392829333361323533101
Percentage of OtherSourcesOfNoninterestIncome100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

ewbc:OtherSourcesOfNoninterestIncome us-gaap:StatementBusinessSegments

ewbc:CommercialBanking


Other
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value242928382929202024272423262321
Percentage of OtherSourcesOfNoninterestIncome74.865.973.578.181.676.573.270.773.581.839.574.675.469.921.4

ewbc:ConsumerandBusinessBanking


Other
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value5.034.4474.9435.0784.1294.6133.94.6163.2993.41334
Percentage of OtherSourcesOfNoninterestIncome15.510.012.910.311.211.813.615.79.910.156.6

us-gaap:AllOtherSegments


Other
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value3.163105.1855.7662.6314.593.7994.0035.4982.6912.46.4672.9546.89876
Percentage of OtherSourcesOfNoninterestIncome9.724.113.611.67.211.713.213.616.68.03.920.18.320.675.2

ewbc:PaymentsForAssetsPurchasedUnderAgreementsToResell

ewbc:PaymentsForAssetsPurchasedUnderAgreementsToResell


Payments
Period End2021-06-302021-03-31
Value421923
Percentage of PaymentsForAssetsPurchasedUnderAgreementsToResell100.0100.0

ewbc:PaymentsToAcquireOtherFinancingReceivables

ewbc:PaymentsToAcquireOtherFinancingReceivables


Payments
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-31
Value343104678229913581116675
Percentage of PaymentsToAcquireOtherFinancingReceivables100.0100.0100.0100.0100.0100.0100.0

ewbc:PaymentsforProceedsfromQualifiedAffordableHousingPartnershipsandOtherTaxCreditInvestments

ewbc:PaymentsforProceedsfromQualifiedAffordableHousingPartnershipsandOtherTaxCreditInvestments


Paymentsfor
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-31
Value4052523341274341283359311822405231383013368.39
Percentage of PaymentsforProceedsfromQualifiedAffordableHousingPartnershipsandOtherTaxCreditInvestments100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

ewbc:ProceedsFromAssetsPurchasedUnderAgreementsToResell

ewbc:ProceedsFromAssetsPurchasedUnderAgreementsToResell


Proceeds
Period End2021-06-302021-03-312020-06-302020-03-31
Value282223100250
Percentage of ProceedsFromAssetsPurchasedUnderAgreementsToResell100.0100.0100.0100.0

ewbc:ProvisionForReversalOfCreditLossesOnLoansAndProvisionForLoanLosses

ewbc:ProvisionForReversalOfCreditLossesOnLoansAndProvisionForLoanLosses


Provision
Period End2021-06-302021-03-312020-06-302020-03-31
Value-8.7711.0489474
Percentage of ProvisionForReversalOfCreditLossesOnLoansAndProvisionForLoanLosses100.0100.0100.0100.0

ewbc:ProvisionForReversalOfCreditLossesOnLoansAndProvisionForLoanLosses us-gaap:FinancingReceivablePortfolioSegment, us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable

us-gaap:CommercialPortfolioSegment, ewbc:CommercialAndIndustrialLoan


Provision
Period End2021-06-302021-03-312020-06-302020-03-31
Value-22.5863.8393760
Percentage of ProvisionForReversalOfCreditLossesOnLoansAndProvisionForLoanLosses257.5366.340.281.2

us-gaap:CommercialPortfolioSegment, ewbc:ConstructionAndLandLoan


Provision
Period End2021-06-302021-03-312020-06-302020-03-31
Value-3.2438.5927.5261.482
Percentage of ProvisionForReversalOfCreditLossesOnLoansAndProvisionForLoanLosses37.0819.88.02.0

us-gaap:CommercialPortfolioSegment, us-gaap:CommercialRealEstate


Provision
Period End2021-06-302021-03-312020-06-302020-03-31
Value19-10.2774311
Percentage of ProvisionForReversalOfCreditLossesOnLoansAndProvisionForLoanLosses-220.9-980.645.915.3

us-gaap:ConsumerPortfolioSegment, ewbc:OtherConsumer


Provision
Period End2021-06-302021-03-312020-06-302020-03-31
Value2.209-0.113-0.849-2.272
Percentage of ProvisionForReversalOfCreditLossesOnLoansAndProvisionForLoanLosses-25.2-10.8-0.9-3.0

us-gaap:ConsumerPortfolioSegment, us-gaap:HomeEquity


Provision
Period End2021-06-302021-03-312020-06-302020-03-31
Value0.250.0220.2050.412
Percentage of ProvisionForReversalOfCreditLossesOnLoansAndProvisionForLoanLosses-2.92.10.20.6

ewbc:ProvisionForReversalOfCreditLossesOnLoansAndProvisionForLoanLosses us-gaap:MortgageLoansOnRealEstateDescriptionTypeOfProperty, us-gaap:FinancingReceivablePortfolioSegment, us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable

srt:Multifamily, us-gaap:CommercialPortfolioSegment, us-gaap:RealEstateLoan


Provision
Period End2021-06-302021-03-312020-06-302020-03-31
Value-5.385-1.3917.9081.281
Percentage of ProvisionForReversalOfCreditLossesOnLoansAndProvisionForLoanLosses61.4-132.78.41.7

srt:SingleFamily, us-gaap:ConsumerPortfolioSegment, us-gaap:RealEstateLoan


Provision
Period End2021-06-302021-03-312020-06-302020-03-31
Value0.6090.376-1.6671.7
Percentage of ProvisionForReversalOfCreditLossesOnLoansAndProvisionForLoanLosses-6.935.9-1.82.3

ewbc:RepaymentsOfRepurchaseAgreement

ewbc:RepaymentsOfRepurchaseAgreement


Repayments
Period End2020-12-312020-09-30
Value480.0
Percentage of RepaymentsOfRepurchaseAgreement100.00.0

ewbc:SecuritiesSoldUnderAgreementsToRepurchaseChargesRelatedToExtinguishment

ewbc:SecuritiesSoldUnderAgreementsToRepurchaseChargesRelatedToExtinguishment


Securities
Period End2020-12-312020-09-302020-06-302019-06-30
Value008740000.00
Percentage of SecuritiesSoldUnderAgreementsToRepurchaseChargesRelatedToExtinguishment0.00.0100.00.0

ewbc:SharebasedCompensationArrangementbySharebasedPaymentAwardPercentageofTargetAwardAvailableforGrant us-gaap:Range, us-gaap:AwardType

ewbc:SharebasedCompensationArrangementbySharebasedPaymentAwardPercentageofTargetAwardAvailableforGrant

srt:Maximum, ewbc:PerformanceBasedRestrictedStockSettledinStock


Sharebased
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value198.002.00002.0
Percentage of SharebasedCompensationArrangementbySharebasedPaymentAwardPercentageofTargetAwardAvailableforGrant100.00.0100.00.00.00.0100.0

ewbc:StockIssuedAndRepurchasedDuringPeriodValue

ewbc:StockIssuedAndRepurchasedDuringPeriodValue


Stock
Period End2021-06-302020-06-30
Value9.8758.115
Percentage of StockIssuedAndRepurchasedDuringPeriodValue100.0100.0

ewbc:StockIssuedAndRepurchasedDuringPeriodValue us-gaap:StatementEquityComponents

us-gaap:CommonStockIncludingAdditionalPaidInCapital


Stock
Period End2021-06-302020-06-30
Value108.131
Percentage of StockIssuedAndRepurchasedDuringPeriodValue102.7100.2

us-gaap:TreasuryStock


Stock
Period End2021-06-302020-06-30
Value-0.271-0.016
Percentage of StockIssuedAndRepurchasedDuringPeriodValue-2.7-0.2

ewbc:TaxCreditInvestmentsPreTaxRecoveries us-gaap:ScheduleOfEquityMethodInvestmentEquityMethodInvesteeName

ewbc:TaxCreditInvestmentsPreTaxRecoveries

ewbc:InvestmentInTaxCreditAndOtherInvestments


Tax
Period End2021-03-312020-06-302020-03-31
Value0.3740.1090.15
Percentage of TaxCreditInvestmentsPreTaxRecoveries100.0100.0100.0

ewbc:InvestmentInTaxCreditAndOtherInvestmentsMultipleCredit


Tax
Period End2021-06-30
Value0.877
Percentage of TaxCreditInvestmentsPreTaxRecoveries0.0

ewbc:TaxExpenseonSaleofAvailableforSaleDebtInvestmentSecurities

ewbc:TaxExpenseonSaleofAvailableforSaleDebtInvestmentSecurities


Tax
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value187000.057000.0128000.0206000.02850000.0452000.0256000.017000.0428000.0461000.048000.011000.062000.0628000.0
Percentage of TaxExpenseonSaleofAvailableforSaleDebtInvestmentSecurities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

ewbc:TransferofFinancingReceivablesToForeclosedAssets

ewbc:TransferofFinancingReceivablesToForeclosedAssets


Transferof
Period End2021-06-302021-03-312020-06-302020-03-31
Value2.66510-3.8923
Percentage of TransferofFinancingReceivablesToForeclosedAssets100.0100.0100.0100.0

ewbc:TransferofPortfolioandLeasestoHeldforsaleIncludingLoansTransferredfromHeldforInvestmenttoBranchAssetsHeldforsale

ewbc:TransferofPortfolioandLeasestoHeldforsaleIncludingLoansTransferredfromHeldforInvestmenttoBranchAssetsHeldforsale


Transferof
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value1103311063498192
Percentage of TransferofPortfolioandLeasestoHeldforsaleIncludingLoansTransferredfromHeldforInvestmenttoBranchAssetsHeldforsale100.0100.0100.0100.0100.0100.0100.0

ewbc:Wealthmanagementfees

ewbc:Wealthmanagementfees


Wealthmanagementfees
Period 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
Value7.9516.9114.4974.5533.0915.3574.2154.8413.83.8122.7963.535
Percentage of Wealthmanagementfees100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivities

us-gaap:AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivities


Adjustments
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value-192.446166980.16179-53.121158-72.3980.38-24.78316874430-52.975152761511336-15.53176-43.76838652556106-72.945-40.27358603.3218.3095959-104.786-8.062-10.342-202.933121102126129213236
Percentage of AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:AffordableHousingTaxCreditsAndOtherTaxBenefitsAmount

us-gaap:AffordableHousingTaxCreditsAndOtherTaxBenefitsAmount


Affordable
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-30
Value10111111111111111111119.4258.949.15511159.5669.621108.5918.5189.452119.2378.6058.7759.247.932
Percentage of AffordableHousingTaxCreditsAndOtherTaxBenefitsAmount100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:AllowanceForLoanAndLeaseLossesWriteOffs

us-gaap:AllowanceForLoanAndLeaseLossesWriteOffs


Allowance
Period End2021-06-302021-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-31
Value1.30.0390.3630.0360.3170.0731.10.11130.085-19.5517.4240.1170.0920.00.00.0371.82.00.9680.4411.7
Percentage of AllowanceForLoanAndLeaseLossesWriteOffs100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.00.0100.0100.0100.0100.0100.0100.0

us-gaap:AmortizationMethodQualifiedAffordableHousingProjectInvestmentsAmortization

us-gaap:AmortizationMethodQualifiedAffordableHousingProjectInvestmentsAmortization


Amortization
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-30
Value7.7368.712108.9759.1488.3849.5558.4529.6578.8977.0377.2366.77.073158.9447.0516.957.2836.6127.3456.9668.076.3486.1526.2445.3575.357
Percentage of AmortizationMethodQualifiedAffordableHousingProjectInvestmentsAmortization100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:AssetImpairmentCharges us-gaap:ScheduleOfEquityMethodInvestmentEquityMethodInvesteeName

us-gaap:AssetImpairmentCharges

ewbc:InvestmentInTaxCreditAndOtherInvestments


Asset
Period End2020-12-312019-12-312019-09-30
Value4.3263.01.7
Percentage of AssetImpairmentCharges100.0100.0100.0

us-gaap:AssetsFairValueAdjustment us-gaap:FairValueByAssetClass, us-gaap:FairValueByMeasurementFrequency

us-gaap:AssetsFairValueAdjustment

ewbc:InvestmentsInTaxCreditAndOtherInvestmentsNet, us-gaap:FairValueMeasurementsNonrecurring


Assets
Period End2021-06-302020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-30
Value0.877-3.2850.0-0.7330.15-1.45-1.703-2.892-6.9780.00.0
Percentage of AssetsFairValueAdjustment100.0100.00.0100.0100.0100.0100.0100.0100.00.00.0

ewbc:OtherNonperformingAssets, us-gaap:FairValueMeasurementsNonrecurring


Assets
Period End2021-06-302021-03-312020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value0.0-3.890.0-0.30.00.00.00.0
Percentage of AssetsFairValueAdjustment0.00.0-0.0-200.0-0.0-0.0-0.0-0.0

ewbc:OtherRealEstateOwned, us-gaap:FairValueMeasurementsNonrecurring


Assets
Period End2021-06-302020-06-302019-12-312019-09-302019-06-302018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-30
Value-0.910.01.015-1.02-0.0030.00.00.00.00.285-0.2850.0-0.2850.971-0.041-1.073-0.4611.506-1.556-0.2-0.277-0.221-2.135-0.069
Percentage of AssetsFairValueAdjustment-103.8-0.0-70.059.90.10.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:LoansReceivable, us-gaap:FairValueMeasurementsNonrecurring


Assets
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-30
Value-9.432-12.495-20.293-24.94-9.181-19.2087.745-20.482
Percentage of AssetsFairValueAdjustment-1075.50.0617.70.01252.5-12805.3-534.11202.7

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

us-gaap:LoansReceivable, us-gaap:FairValueMeasurementsNonrecurring, us-gaap:CommercialPortfolioSegment


Assets
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-30
Value-6.944-12.458-20.296-24.943-9.117-21.5067.747-20.482
Percentage of AssetsFairValueAdjustment-791.80.0617.80.01243.8-14337.3-534.31202.7

us-gaap:LoansReceivable, us-gaap:FairValueMeasurementsNonrecurring, us-gaap:ConsumerPortfolioSegment


Assets
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-31
Value-2.488-0.0370.0030.003-0.0642.298
Percentage of AssetsFairValueAdjustment-283.70.0-0.10.08.71532.0

us-gaap:AssetsFairValueAdjustment us-gaap:FairValueByAssetClass, us-gaap:FairValueByMeasurementFrequency, us-gaap:FinancingReceivablePortfolioSegment, us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable

us-gaap:LoansReceivable, us-gaap:FairValueMeasurementsNonrecurring, us-gaap:CommercialPortfolioSegment, ewbc:CommercialAndIndustrialLoan


Assets
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-30
Value-6.462-5.309-9.299-24.928-8.846-21.5017.744-20.484
Percentage of AssetsFairValueAdjustment-736.80.0283.10.01206.8-14334.0-534.11202.8

us-gaap:LoansReceivable, us-gaap:FairValueMeasurementsNonrecurring, us-gaap:CommercialPortfolioSegment, ewbc:ConstructionAndLandLoan


Assets
Period End2021-06-302021-03-31
Value-0.209-0.071
Percentage of AssetsFairValueAdjustment-23.80.0

us-gaap:LoansReceivable, us-gaap:FairValueMeasurementsNonrecurring, us-gaap:CommercialPortfolioSegment, ewbc:MultifamilyResidential


Assets
Period End2021-06-302021-03-31
Value0.002-0.016
Percentage of AssetsFairValueAdjustment0.20.0

us-gaap:LoansReceivable, us-gaap:FairValueMeasurementsNonrecurring, us-gaap:CommercialPortfolioSegment, us-gaap:CommercialRealEstate


Assets
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-30
Value-0.275-7.062-10.997-0.015-0.271-0.0050.0030.002
Percentage of AssetsFairValueAdjustment-31.40.0334.80.037.0-3.3-0.2-0.1

us-gaap:LoansReceivable, us-gaap:FairValueMeasurementsNonrecurring, us-gaap:ConsumerPortfolioSegment, ewbc:OtherConsumer


Assets
Period End2021-06-302020-12-312020-09-302020-06-302020-03-31
Value-2.4910.00.00.02.491
Percentage of AssetsFairValueAdjustment-284.0-0.00.0-0.01660.7

us-gaap:LoansReceivable, us-gaap:FairValueMeasurementsNonrecurring, us-gaap:ConsumerPortfolioSegment, us-gaap:HomeEquity


Assets
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-31
Value0.003-0.0370.0030.003-0.064-0.193
Percentage of AssetsFairValueAdjustment0.30.0-0.10.08.7-128.7

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

us-gaap:ChangeInUnrealizedGainLossOnFairValueHedgingInstruments1

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


Change
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value-4000.0154000.0951000.02045000.0-401000.0202000.01634000.01220000.01996000.0-241000.0-396000.0-1452000.0-1248000.037000.0-706000.0-817000.0
Percentage of ChangeInUnrealizedGainLossOnFairValueHedgingInstruments1100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ChangeInUnrealizedGainLossOnHedgedItemInFairValueHedge1 us-gaap:DerivativeInstrumentsGainLossByHedgingRelationship, us-gaap:FinancialInstrument, us-gaap:HedgingDesignation, us-gaap:IncomeStatementLocation

us-gaap:ChangeInUnrealizedGainLossOnHedgedItemInFairValueHedge1

us-gaap:FairValueHedging, us-gaap:Deposits, us-gaap:DesignatedAsHedgingInstrument, us-gaap:InterestExpense


Change
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value2000.0112000.0-357000.0-1362000.0196000.0-37000.0-1434000.0-1261000.0
Percentage of ChangeInUnrealizedGainLossOnHedgedItemInFairValueHedge1100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DebtSecuritiesAvailableForSaleRealizedGain

us-gaap:DebtSecuritiesAvailableForSaleRealizedGain


Debt
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value0.6320.1920.6989.641.5290.8640.0581.4471.5610.1610.0350.212.129
Percentage of DebtSecuritiesAvailableForSaleRealizedGain100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DebtSecuritiesAvailableForSaleRealizedGainLossExcludingOtherThanTemporaryImpairment

us-gaap:DebtSecuritiesAvailableForSaleRealizedGainLossExcludingOtherThanTemporaryImpairment


Debt
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value0.6320.1920.4320.6989.641.5290.8640.0581.4471.5610.1610.0350.212.129
Percentage of DebtSecuritiesAvailableForSaleRealizedGainLossExcludingOtherThanTemporaryImpairment100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DerivativeInstrumentsNotDesignatedAsHedgingInstrumentsGainLossNet us-gaap:DerivativeInstrumentRisk, us-gaap:HedgingDesignation, us-gaap:IncomeStatementLocation

us-gaap:DerivativeInstrumentsNotDesignatedAsHedgingInstrumentsGainLossNet

us-gaap:CommodityContract, us-gaap:Nondesignated, ewbc:Interestratecontractsandotherderivativeincome


Derivative
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value-0.1880.169-0.0220.034-0.0710.024-0.0630.014-0.0220.004-0.006-0.0450.040.0
Percentage of DerivativeInstrumentsNotDesignatedAsHedgingInstrumentsGainLossNet100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0

us-gaap:CreditRiskContract, us-gaap:Nondesignated, ewbc:Interestratecontractsandotherderivativeincome


Derivative
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value0.150.0450.0670.026-0.075-0.0230.015-0.003-0.0360.083-0.1070.02-0.056-0.013
Percentage of DerivativeInstrumentsNotDesignatedAsHedgingInstrumentsGainLossNet-79.826.6-304.576.5105.6-95.8-23.8-21.4163.62075.01783.3-44.4-140.00.0

us-gaap:EquityContract, us-gaap:Nondesignated, ewbc:Lendingfees


Derivative
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value0.0740.311-0.9463.5928.070.309-0.047-0.4420.9170.25-0.4580.5310.598-0.159
Percentage of DerivativeInstrumentsNotDesignatedAsHedgingInstrumentsGainLossNet-39.4184.04300.010564.7-11366.21287.574.6-3157.1-4168.26250.07633.3-1180.01495.00.0

us-gaap:ForeignExchangeContract, us-gaap:Nondesignated, us-gaap:ForeignCurrencyGainLoss


Derivative
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-31
Value11108.8985.2556.2012.8617.1375.3063.4956.3265.6694.6122.6463.8574.143.728.3785.8381.653.7873.0692.8285.783-3.7640.9081.308
Percentage of DerivativeInstrumentsNotDesignatedAsHedgingInstrumentsGainLossNet-6368.16060.9-40445.515455.9-8733.811920.8-11328.637900.0-15886.4158150.0-94483.3-10248.96615.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:InterestRateContract, us-gaap:Nondesignated, ewbc:Interestratecontractsandotherderivativeincome


Derivative
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value-5.338136.748-3.013-5.361-7.0113.75-2.738-1.359-1.779-1.5670.6530.0881.106
Percentage of DerivativeInstrumentsNotDesignatedAsHedgingInstrumentsGainLossNet2839.48225.4-30672.7-8861.87550.7-29212.5-5952.4-19557.16177.3-44475.026116.7-1451.1220.00.0

us-gaap:DerivativeInstrumentsNotDesignatedAsHedgingInstrumentsGainLossNet us-gaap:HedgingDesignation

us-gaap:Nondesignated


Derivative
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-31
Value6.6724145.8948.764-3.84102.1372.9954.8843.5315.7713.3164.7914.4154.2958.4864.7736.4344.2021.1492.1066.091-4.6282.1650.772
Percentage of DerivativeInstrumentsNotDesignatedAsHedgingInstrumentsGainLossNet-3547.914597.0-67022.717335.3-12343.7-16000.0-17130.215264.3-13613.6122100.0-58850.0-12824.48290.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:DerivativeNonmonetaryNotionalAmountEnergyMeasure ewbc:DerivativeRiskCategory, us-gaap:CounterpartyName, us-gaap:Energy, us-gaap:DerivativeInstrumentRisk, us-gaap:HedgingDesignation

us-gaap:DerivativeNonmonetaryNotionalAmountEnergyMeasure

us-gaap:CommodityContract, ewbc:CustomerCounterparty, srt:CrudeOil, ewbc:Collars, us-gaap:Nondesignated


Derivative
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value0.0452.3610.632-0.576-0.5562.5220.3360.756-1.0923.174
Percentage of DerivativeNonmonetaryNotionalAmountEnergyMeasure100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:CommodityContract, ewbc:CustomerCounterparty, srt:CrudeOil, ewbc:WrittenOption, us-gaap:Nondesignated


Derivative
Period End2021-06-302021-03-312020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value-0.0380.248-0.0240.024-0.1120.0140.0980.036
Percentage of DerivativeNonmonetaryNotionalAmountEnergyMeasure-84.410.54.31.0-33.31.9-9.01.1

us-gaap:CommodityContract, ewbc:CustomerCounterparty, srt:CrudeOil, us-gaap:CommodityContract, us-gaap:Nondesignated


Derivative
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value0.2268.2580.221-0.055-0.5836.7380.6451.52-2.1657.811
Percentage of DerivativeNonmonetaryNotionalAmountEnergyMeasure502.2349.835.09.5104.9267.2192.0201.1198.3246.1

us-gaap:CommodityContract, ewbc:CustomerCounterparty, srt:CrudeOil, us-gaap:Swap, us-gaap:Nondesignated


Derivative
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value0.2195.649-0.4110.521-0.0034.1920.4210.75-1.1714.601
Percentage of DerivativeNonmonetaryNotionalAmountEnergyMeasure486.7239.3-65.0-90.50.5166.2125.399.2107.2145.0

us-gaap:CommodityContract, ewbc:CustomerCounterparty, srt:NaturalGasReserves, ewbc:Collars, us-gaap:Nondesignated


Derivative
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value7.35510-2.0281.695-1.135143.5354.357-7.89214
Percentage of DerivativeNonmonetaryNotionalAmountEnergyMeasure16344.4458.4-320.9-294.3204.1563.11052.1576.3722.7449.8

us-gaap:CommodityContract, ewbc:CustomerCounterparty, srt:NaturalGasReserves, ewbc:WrittenOption, us-gaap:Nondesignated


Derivative
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value-2.7298.065-0.376-0.060.6130.42-0.030.030.00.54
Percentage of DerivativeNonmonetaryNotionalAmountEnergyMeasure-6064.4341.6-59.510.4-110.316.7-8.94.0-0.017.0

us-gaap:CommodityContract, ewbc:CustomerCounterparty, srt:NaturalGasReserves, us-gaap:CommodityContract, us-gaap:Nondesignated


Derivative
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value16102-0.705252361302.314-32.99863
Percentage of DerivativeNonmonetaryNotionalAmountEnergyMeasure37611.14362.4-111.6-4406.8-4255.62430.59132.1306.13021.82009.2

us-gaap:CommodityContract, ewbc:CustomerCounterparty, srt:NaturalGasReserves, us-gaap:Swap, us-gaap:Nondesignated


Derivative
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value12841.69923244627-2.613-24.56648
Percentage of DerivativeNonmonetaryNotionalAmountEnergyMeasure27331.13562.4268.8-4122.9-4349.51850.78089.0-345.62249.61542.4

us-gaap:CommodityContract, ewbc:FinancialCounterparty, srt:CrudeOil, ewbc:Collars, us-gaap:Nondesignated


Derivative
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value0.0452.3610.478-0.674-0.6412.8590.2460.687-0.9333.63
Percentage of DerivativeNonmonetaryNotionalAmountEnergyMeasure100.0100.075.6117.0115.3113.473.290.985.4114.4

us-gaap:CommodityContract, ewbc:FinancialCounterparty, srt:CrudeOil, ewbc:PurchasedOptions, us-gaap:Nondesignated


Derivative
Period End2021-06-302021-03-312020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value-0.0380.248-0.0240.024-0.1120.0140.0980.036
Percentage of DerivativeNonmonetaryNotionalAmountEnergyMeasure-84.410.54.31.0-33.31.9-9.01.1

us-gaap:CommodityContract, ewbc:FinancialCounterparty, srt:CrudeOil, us-gaap:CommodityContract, us-gaap:Nondesignated


Derivative
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value0.2268.2580.018-0.176-0.6987.1770.5561.449-2.0058.387
Percentage of DerivativeNonmonetaryNotionalAmountEnergyMeasure502.2349.82.830.6125.5284.6165.5191.7183.6264.2

us-gaap:CommodityContract, ewbc:FinancialCounterparty, srt:CrudeOil, us-gaap:Swap, us-gaap:Nondesignated


Derivative
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value0.2195.649-0.460.498-0.0334.2940.4220.748-1.174.721
Percentage of DerivativeNonmonetaryNotionalAmountEnergyMeasure486.7239.3-72.8-86.55.9170.3125.698.9107.1148.7

us-gaap:CommodityContract, ewbc:FinancialCounterparty, srt:NaturalGasReserves, ewbc:Collars, us-gaap:Nondesignated


Derivative
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value9.44514-1.8184.925-1.105143.8454.357-8.20214
Percentage of DerivativeNonmonetaryNotionalAmountEnergyMeasure20988.9593.9-287.7-855.0198.7566.71144.3576.3751.1457.4

us-gaap:CommodityContract, ewbc:FinancialCounterparty, srt:NaturalGasReserves, ewbc:PurchasedOptions, us-gaap:Nondesignated


Derivative
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value-2.7298.065-0.366-0.060.6130.41-0.030.030.00.53
Percentage of DerivativeNonmonetaryNotionalAmountEnergyMeasure-6064.4341.6-57.910.4-110.316.3-8.94.0-0.016.7

us-gaap:CommodityContract, ewbc:FinancialCounterparty, srt:NaturalGasReserves, us-gaap:CommodityContract, us-gaap:Nondesignated


Derivative
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value18113-0.474283161291.048-30.70463
Percentage of DerivativeNonmonetaryNotionalAmountEnergyMeasure41286.74823.3-75.0-4965.3-5671.92426.78826.2138.62811.72010.9

us-gaap:CommodityContract, ewbc:FinancialCounterparty, srt:NaturalGasReserves, us-gaap:Swap, us-gaap:Nondesignated


Derivative
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value11911.7123324625-3.869-21.97248
Percentage of DerivativeNonmonetaryNotionalAmountEnergyMeasure26362.23887.8270.6-4120.7-5760.41843.87690.8-511.82012.11536.8

us-gaap:DerivativeNonmonetaryNotionalAmountEnergyMeasure us-gaap:CounterpartyName, us-gaap:Energy

ewbc:CustomerCounterparty, srt:CrudeOil


Derivative
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-31
Value0.2268.2580.221-0.055-0.5836.7380.645
Percentage of DerivativeNonmonetaryNotionalAmountEnergyMeasure502.2349.835.09.5104.9267.2192.0

ewbc:CustomerCounterparty, srt:NaturalGasReserves


Derivative
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-31
Value16102-0.70525236130
Percentage of DerivativeNonmonetaryNotionalAmountEnergyMeasure37611.14362.4-111.6-4406.8-4255.62430.59132.1

us-gaap:DerivativeNonmonetaryNotionalAmountEnergyMeasure us-gaap:CounterpartyName, us-gaap:Energy, us-gaap:DerivativeInstrumentRisk, us-gaap:HedgingDesignation

ewbc:ChicagoMercantileExchangeCME, srt:NaturalGasReserves, us-gaap:CommodityContract, us-gaap:Nondesignated


Derivative
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value-1.33527-1.6626.5195.292.095-1.17-0.9256.075
Percentage of DerivativeNonmonetaryNotionalAmountEnergyMeasure-2966.71179.6-263.0-1128.5-3526.1209.8623.5-154.884.7191.4

ewbc:ChicagoMercantileExchangeCME, srt:OilReserves, us-gaap:CommodityContract, us-gaap:Nondesignated


Derivative
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value-0.2231.32-0.231-0.026-0.051.582-0.4080.463-0.0551.752
Percentage of DerivativeNonmonetaryNotionalAmountEnergyMeasure-495.655.9-36.64.59.062.7-121.461.25.055.2

us-gaap:DividendsCommonStockCash

us-gaap:DividendsCommonStockCash


Dividends
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value474739393940404040333333292929292929
Percentage of DividendsCommonStockCash100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DividendsCommonStockCash us-gaap:StatementEquityComponents

us-gaap:RetainedEarnings


Dividends
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value474739393940404040333333292929292929
Percentage of DividendsCommonStockCash100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents

us-gaap:EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents


Effect
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value-132.5813850-31.254-28.96213-17.323-12.023-14.515143.55-19.293-27.43618
Percentage of EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:EmployeeServiceShareBasedCompensationTaxBenefitFromCompensationExpense

us-gaap:EmployeeServiceShareBasedCompensationTaxBenefitFromCompensationExpense


Employee
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-30
Value37000.01620000.0-250000.0-14000.0-9000.0-1566000.069000.015000.01000.04707000.038000.0187000.097000.04778000.0161000.0151000.049000.04414000.0128000.029000.0171000.072000.0431000.043000.0-14000.060000.0
Percentage of EmployeeServiceShareBasedCompensationTaxBenefitFromCompensationExpense100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:EquityMethodInvestmentDividendsOrDistributions

us-gaap:EquityMethodInvestmentDividendsOrDistributions


Equity
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value1059000.02505000.03852000.03827000.0134000.0973000.0458000.01474000.0388000.01150000.01091000.0856000.0927000.0887000.01253000.01144000.01177000.08000.0
Percentage of EquityMethodInvestmentDividendsOrDistributions100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:FairValueAssetsMeasuredOnRecurringBasisChangeInUnrealizedGainLoss us-gaap:DerivativeInstrumentRisk, us-gaap:IncomeStatementLocation

us-gaap:FairValueAssetsMeasuredOnRecurringBasisChangeInUnrealizedGainLoss

us-gaap:EquityContract, ewbc:Lendingfees


Fair
Period 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-27000.0-1000.0-100000.0-6000.08000000.0292000.0-67000.010000.0-4000.0-43000.01000.0-7000.0
Percentage of FairValueAssetsMeasuredOnRecurringBasisChangeInUnrealizedGainLoss100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetGainLossIncludedInEarnings1 us-gaap:DerivativeInstrumentRisk, us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementFrequency

us-gaap:FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetGainLossIncludedInEarnings1

us-gaap:EquityContract, us-gaap:FairValueInputsLevel3, us-gaap:FairValueMeasurementsRecurring


Fair
Period 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
Value47000.0-1000.0-37000.0-6000.07976000.0292000.015000.010000.0769000.0-231000.01000.0-7000.0
Percentage of FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetGainLossIncludedInEarnings1100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetSettlements us-gaap:DerivativeInstrumentRisk, us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementFrequency

us-gaap:FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetSettlements

us-gaap:EquityContract, us-gaap:FairValueInputsLevel3, us-gaap:FairValueMeasurementsRecurring


Fair
Period End2021-06-302020-06-302019-12-312019-09-302019-06-302018-12-312018-09-30
Value96000.0082000.00847000.000
Percentage of FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetSettlements100.00.0100.00.0100.00.00.0

us-gaap:FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetTransfersOutOfLevel3 us-gaap:DerivativeInstrumentRisk, us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementFrequency

us-gaap:FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetTransfersOutOfLevel3

us-gaap:EquityContract, us-gaap:FairValueInputsLevel3, us-gaap:FairValueMeasurementsRecurring


Fair
Period End2020-12-312020-09-302020-06-302019-06-30
Value008373000.00
Percentage of FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetTransfersOutOfLevel30.00.0100.00.0

us-gaap:FederalDepositInsuranceCorporationPremiumExpense

us-gaap:FederalDepositInsuranceCorporationPremiumExpense


Federal
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value4.2743.8763.9954.0063.73.4273.3713.552.9193.0883.0936.0135.8326.2736.3515.6765.7795.9295.9386.455.4735.4185.0494.7263.3415.6565.1615.2475.8125.7024.7024.1913.8753.7823.3543.4613.3233.9924.0772.436.8337.1913.4165.6764.52811
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:FinancingReceivableAllowanceForCreditLossForeignCurrencyTranslation

us-gaap:FinancingReceivableAllowanceForCreditLossForeignCurrencyTranslation


Financing
Period End2021-06-302021-03-312020-06-302020-03-31
Value264000.0-119000.08000.0-200000.0
Percentage of FinancingReceivableAllowanceForCreditLossForeignCurrencyTranslation100.0100.0100.0100.0

us-gaap:FinancingReceivableAllowanceForCreditLossForeignCurrencyTranslation us-gaap:FinancingReceivablePortfolioSegment

ewbc:CommercialandConsumerPortfolioSegment


Financing
Period End2020-09-302020-06-302020-03-312019-09-302019-06-30
Value500000.08000.0-200000.0-465000.0-362000.0
Percentage of FinancingReceivableAllowanceForCreditLossForeignCurrencyTranslation0.0100.0100.00.00.0

us-gaap:FinancingReceivableAllowanceForCreditLossForeignCurrencyTranslation us-gaap:FinancingReceivablePortfolioSegment, us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable

us-gaap:CommercialPortfolioSegment, ewbc:CommercialAndIndustrialLoan


Financing
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-30
Value264000.0-119000.0704000.0500000.08000.0-200000.0133000.0-465000.0-362000.0
Percentage of FinancingReceivableAllowanceForCreditLossForeignCurrencyTranslation100.0100.00.00.0100.0100.00.00.00.0

us-gaap:FinancingReceivableAllowanceForCreditLossesPeriodIncreaseDecrease

us-gaap:FinancingReceivableAllowanceForCreditLossesPeriodIncreaseDecrease


Financing
Period End2020-12-31
Value1.7
Percentage of FinancingReceivableAllowanceForCreditLossesPeriodIncreaseDecrease100.0

us-gaap:FinancingReceivableAllowanceForCreditLossesPeriodIncreaseDecrease us-gaap:FinancingReceivablePortfolioSegment

ewbc:CommercialandConsumerPortfolioSegment


Financing
Period End2021-06-302021-03-31
Value-21.8-12.5
Percentage of FinancingReceivableAllowanceForCreditLossesPeriodIncreaseDecrease0.00.0

us-gaap:FinancingReceivableAllowanceForCreditLossesRecovery

us-gaap:FinancingReceivableAllowanceForCreditLossesRecovery


Financing
Period End2021-06-302021-03-312020-06-302020-03-31
Value1.7852.4931.70912
Percentage of FinancingReceivableAllowanceForCreditLossesRecovery100.0100.0100.0100.0

us-gaap:FinancingReceivableAllowanceForCreditLossesRecovery us-gaap:FinancingReceivablePortfolioSegment

ewbc:CommercialandConsumerPortfolioSegment


Financing
Period End2020-09-302020-06-302020-03-312019-09-302019-06-30
Value2.4411.709123.6794.121
Percentage of FinancingReceivableAllowanceForCreditLossesRecovery0.0100.0100.00.00.0

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

us-gaap:CommercialPortfolioSegment, ewbc:CommercialAndIndustrialLoan


Financing
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-30
Value1.3380.762.0331.2180.6021.5758.8891.6481.713
Percentage of FinancingReceivableAllowanceForCreditLossesRecovery75.030.50.00.035.213.10.00.00.0

us-gaap:CommercialPortfolioSegment, ewbc:ConstructionAndLandLoan


Financing
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-30
Value0.0060.3290.0220.030.0070.0210.0130.0210.439
Percentage of FinancingReceivableAllowanceForCreditLossesRecovery0.313.20.00.00.40.20.00.00.0

us-gaap:CommercialPortfolioSegment, us-gaap:CommercialRealEstate


Financing
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-30
Value0.3220.080.0840.4850.2269.661.2541.8961.837
Percentage of FinancingReceivableAllowanceForCreditLossesRecovery18.03.20.00.013.280.10.00.00.0

us-gaap:ConsumerPortfolioSegment, ewbc:OtherConsumer


Financing
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-30
Value0.0030.0020.0010.00.0930.0010.0050.0070.007
Percentage of FinancingReceivableAllowanceForCreditLossesRecovery0.20.10.00.05.40.00.00.00.0

us-gaap:ConsumerPortfolioSegment, us-gaap:HomeEquity


Financing
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-30
Value0.0180.0030.0020.0430.0020.0020.00.0050.0
Percentage of FinancingReceivableAllowanceForCreditLossesRecovery1.00.10.00.00.10.00.00.00.0

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

srt:Multifamily, us-gaap:CommercialPortfolioSegment, us-gaap:RealEstateLoan


Financing
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-30
Value0.0161.2420.160.6650.620.5351.480.0420.053
Percentage of FinancingReceivableAllowanceForCreditLossesRecovery0.949.80.00.036.34.40.00.00.0

srt:SingleFamily, us-gaap:ConsumerPortfolioSegment, us-gaap:RealEstateLoan


Financing
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-30
Value0.0820.0770.1610.00.1590.2650.0020.060.072
Percentage of FinancingReceivableAllowanceForCreditLossesRecovery4.63.10.00.09.32.20.00.00.0

us-gaap:FinancingReceivableAllowanceForCreditLossesWriteOffs

us-gaap:FinancingReceivableAllowanceForCreditLossesWriteOffs


Financing
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value1515792.80.00.0740.0360.3170.073
Percentage of FinancingReceivableAllowanceForCreditLossesWriteOffs100.0100.0100.0100.00.00.0100.0100.0100.0100.0

us-gaap:FinancingReceivableAllowanceForCreditLossesWriteOffs us-gaap:FinancingReceivablePortfolioSegment

ewbc:CommercialandConsumerPortfolioSegment


Financing
Period End2020-09-302020-06-302020-03-312019-09-302019-06-30
Value2620122611
Percentage of FinancingReceivableAllowanceForCreditLossesWriteOffs951.80.00.072616.73709.5

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

us-gaap:CommercialPortfolioSegment, ewbc:CommercialAndIndustrialLoan


Financing
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-30
Value108.4368.759252011192511
Percentage of FinancingReceivableAllowanceForCreditLossesWriteOffs70.253.111.1896.80.00.026.769716.73705.0

us-gaap:CommercialPortfolioSegment, ewbc:ConstructionAndLandLoan


Financing
Period End2021-06-302021-03-312020-06-302020-03-312019-06-30
Value0.2090.0710.00.00.0
Percentage of FinancingReceivableAllowanceForCreditLossesWriteOffs1.40.40.00.00.0

us-gaap:CommercialPortfolioSegment, us-gaap:CommercialRealEstate


Financing
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-30
Value4.1347.195121.4140.320.9540.01.0210.0
Percentage of FinancingReceivableAllowanceForCreditLossesWriteOffs27.545.315.850.50.00.00.02836.10.0

us-gaap:ConsumerPortfolioSegment, ewbc:OtherConsumer


Financing
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-30
Value0.0320.0010.0050.1240.030.0260.010.0120.014
Percentage of FinancingReceivableAllowanceForCreditLossesWriteOffs0.20.00.04.40.00.00.033.34.4

us-gaap:ConsumerPortfolioSegment, us-gaap:HomeEquity


Financing
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-06-30
Value0.00.0450.00.00.2210.00.0
Percentage of FinancingReceivableAllowanceForCreditLossesWriteOffs0.00.30.00.00.00.00.0

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

srt:Multifamily, us-gaap:CommercialPortfolioSegment, us-gaap:RealEstateLoan


Financing
Period End2021-06-302021-03-312020-06-302020-03-312019-06-30
Value0.1130.0170.00.00.0
Percentage of FinancingReceivableAllowanceForCreditLossesWriteOffs0.80.10.00.00.0

srt:SingleFamily, us-gaap:ConsumerPortfolioSegment, us-gaap:RealEstateLoan


Financing
Period End2021-06-302021-03-312020-06-302020-03-312019-12-312019-09-302019-06-30
Value0.00.1340.00.00.00.0110.0
Percentage of FinancingReceivableAllowanceForCreditLossesWriteOffs0.00.80.00.00.030.60.0

us-gaap:FinancingReceivableModificationsPostModificationRecordedInvestment2

us-gaap:FinancingReceivableModificationsPostModificationRecordedInvestment2


Financing
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-31
Value200.43354582815
Percentage of FinancingReceivableModificationsPostModificationRecordedInvestment2100.0100.0100.0100.0100.0100.0

us-gaap:FinancingReceivableModificationsPreModificationRecordedInvestment2

us-gaap:FinancingReceivableModificationsPreModificationRecordedInvestment2


Financing
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-31
Value200.44359663516
Percentage of FinancingReceivableModificationsPreModificationRecordedInvestment2100.0100.0100.0100.0100.0100.0

us-gaap:FinancingReceivableModificationsPreModificationRecordedInvestment2 us-gaap:FinancingReceivablePortfolioSegment

us-gaap:CommercialPortfolioSegment


Financing
Period End2020-12-312020-09-302020-06-30
Value596635
Percentage of FinancingReceivableModificationsPreModificationRecordedInvestment2100.0100.0100.0

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

us-gaap:CommercialPortfolioSegment, ewbc:CommercialAndIndustrialLoan


Financing
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-31
Value200.44359433516
Percentage of FinancingReceivableModificationsPreModificationRecordedInvestment2100.0100.0100.065.7100.0100.0

us-gaap:CommercialPortfolioSegment, ewbc:TotalCommercialRealEstate


Financing
Period End2020-12-312020-09-30
Value0.022
Percentage of FinancingReceivableModificationsPreModificationRecordedInvestment20.034.3

us-gaap:CommercialPortfolioSegment, us-gaap:CommercialRealEstate


Financing
Period End2020-12-312020-09-30
Value0.021
Percentage of FinancingReceivableModificationsPreModificationRecordedInvestment20.032.5

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

srt:Multifamily, us-gaap:CommercialPortfolioSegment, us-gaap:RealEstateLoan


Financing
Period End2020-12-312020-09-30
Value0.01.22
Percentage of FinancingReceivableModificationsPreModificationRecordedInvestment20.01.8

us-gaap:FinancingReceivableModificationsSubsequentDefaultRecordedInvestment1

us-gaap:FinancingReceivableModificationsSubsequentDefaultRecordedInvestment1


Financing
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-31
Value-0.10711-0.457-0.851170.0
Percentage of FinancingReceivableModificationsSubsequentDefaultRecordedInvestment1100.0100.0100.0100.0100.00.0

us-gaap:FinancingReceivableModificationsSubsequentDefaultRecordedInvestment1 us-gaap:FinancingReceivablePortfolioSegment

us-gaap:CommercialPortfolioSegment


Financing
Period End2020-12-312020-09-302020-06-30
Value-0.457-0.85117
Percentage of FinancingReceivableModificationsSubsequentDefaultRecordedInvestment1100.0100.0100.0

us-gaap:FinancingReceivableModificationsSubsequentDefaultRecordedInvestment1 us-gaap:FinancingReceivablePortfolioSegment, us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable

us-gaap:CommercialPortfolioSegment, ewbc:CommercialAndIndustrialLoan


Financing
Period End2021-06-302021-03-312020-12-312020-09-302020-06-30
Value-0.10711-0.457-0.85117
Percentage of FinancingReceivableModificationsSubsequentDefaultRecordedInvestment1100.0100.0100.0100.0100.0

us-gaap:FinancingReceivableNonaccrualInterestIncome

us-gaap:FinancingReceivableNonaccrualInterestIncome


Financing
Period End2020-12-312020-09-302020-06-30
Value15000.018000.010000.0
Percentage of FinancingReceivableNonaccrualInterestIncome100.0100.0100.0

us-gaap:FinancingReceivableSignificantPurchases

us-gaap:FinancingReceivableSignificantPurchases


Financing
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value23131022518121331286817814714661309809372221147
Percentage of FinancingReceivableSignificantPurchases100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:FinancingReceivableSignificantPurchases us-gaap:FinancingReceivablePortfolioSegment, us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable

us-gaap:CommercialPortfolioSegment, ewbc:CommercialAndIndustrialLoan


Financing
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value66178110.012130933815910712747285647263220147
Percentage of FinancingReceivableSignificantPurchases28.757.54.90.099.998.172.555.289.172.587.478.392.280.977.087.899.699.9

us-gaap:FinancingReceivableSignificantPurchases us-gaap:MortgageLoansOnRealEstateDescriptionTypeOfProperty, us-gaap:FinancingReceivablePortfolioSegment, us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable

srt:Multifamily, us-gaap:CommercialPortfolioSegment, us-gaap:RealEstateLoan


Financing
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value0.00.370.00.8380.0071.5131.6861.351.7344.2181.4362.5183.2490.1861.2930.178
Percentage of FinancingReceivableSignificantPurchases0.00.10.04.60.11.11.32.01.02.91.04.11.00.21.40.2

srt:SingleFamily, us-gaap:ConsumerPortfolioSegment, us-gaap:RealEstateLoan


Financing
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value165131214170.01.0843329173616102015208.648
Percentage of FinancingReceivableSignificantPurchases71.342.495.195.40.00.826.142.99.924.611.617.66.818.921.711.9

us-gaap:FinancingReceivableSignificantSales

us-gaap:FinancingReceivableSignificantSales


Financing
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value1041531051244611467557894124931781141229188275
Percentage of FinancingReceivableSignificantSales100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:FinancingReceivableSignificantSales us-gaap:FinancialInstrument, us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable

ewbc:LoansReceivableOriginated, ewbc:CommercialAndIndustrialLoan


Financing
Period End2021-06-302021-03-312020-03-312019-12-312019-09-302019-06-302019-03-312018-12-31
Value671311145047557657
Percentage of FinancingReceivableSignificantSales64.985.4100.074.385.970.780.746.3

ewbc:LoansReceivablePurchased, ewbc:LoansSoldInSecondaryMarket


Financing
Period End2021-06-302021-03-312020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-31
Value36220.00.0177.92318663475244557502467945795315164103343
Percentage of FinancingReceivableSignificantSales35.114.60.00.025.614.229.319.253.736.942.121.537.162.956.989.40.00.00.00.00.00.00.00.0

us-gaap:FinancingReceivableSignificantSales us-gaap:FinancingReceivablePortfolioSegment, us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable

us-gaap:CommercialPortfolioSegment, ewbc:CommercialAndIndustrialLoan


Financing
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value841255492331025637767510862140102936976236
Percentage of FinancingReceivableSignificantSales81.182.151.674.370.789.683.068.296.579.887.167.278.489.676.976.486.185.8

us-gaap:CommercialPortfolioSegment, us-gaap:CommercialRealEstate


Financing
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value1720190.00.07.257.438140.016129.83309.37618145.66812
Percentage of FinancingReceivableSignificantSales16.313.118.60.00.06.311.026.90.017.610.210.517.08.215.616.26.44.6

us-gaap:FinancingReceivableSignificantSales us-gaap:MortgageLoansOnRealEstateDescriptionTypeOfProperty, us-gaap:FinancialInstrument, us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable

srt:SingleFamily, ewbc:LoansReceivableOriginated, ewbc:CommercialAndIndustrialLoan


Financing
Period End2020-09-302020-06-302018-09-30
Value1124658
Percentage of FinancingReceivableSignificantSales90.5100.163.0

us-gaap:FinancingReceivableSignificantSales us-gaap:MortgageLoansOnRealEstateDescriptionTypeOfProperty, us-gaap:FinancingReceivablePortfolioSegment, us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable

srt:SingleFamily, us-gaap:ConsumerPortfolioSegment, us-gaap:RealEstateLoan


Financing
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value2.6587.5063031134.6424.0882.7081.1722.4423.401208.1752.5465.5455.771
Percentage of FinancingReceivableSignificantSales2.64.928.425.729.34.06.04.91.52.62.722.34.62.24.56.3

us-gaap:FinancingReceivableTransferToHeldForSaleAllowanceForCreditLossExpenseReversal

us-gaap:FinancingReceivableTransferToHeldForSaleAllowanceForCreditLossExpenseReversal


Financing
Period End2021-06-302021-03-312020-06-302020-03-31
Value10114533110
Percentage of FinancingReceivableTransferToHeldForSaleAllowanceForCreditLossExpenseReversal100.0100.0100.0100.0

us-gaap:FinancingReceivableTransferToHeldForSaleAllowanceForCreditLossExpenseReversal us-gaap:FinancingReceivablePortfolioSegment, us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable

us-gaap:CommercialPortfolioSegment, ewbc:CommercialAndIndustrialLoan


Financing
Period End2021-06-302021-03-312020-06-302020-03-31
Value8412533102
Percentage of FinancingReceivableTransferToHeldForSaleAllowanceForCreditLossExpenseReversal83.386.3100.093.4

us-gaap:CommercialPortfolioSegment, us-gaap:CommercialRealEstate


Financing
Period End2021-06-302021-03-312020-06-302020-03-31
Value17200.07.25
Percentage of FinancingReceivableTransferToHeldForSaleAllowanceForCreditLossExpenseReversal16.713.70.06.6

us-gaap:FinancingReceivablesImpairedTroubledDebtRestructuringWriteDown

us-gaap:FinancingReceivablesImpairedTroubledDebtRestructuringWriteDown


Financing
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-31
Value2.1620.2037.045120.8720.098
Percentage of FinancingReceivablesImpairedTroubledDebtRestructuringWriteDown100.0100.0100.0100.0100.0100.0

us-gaap:FinancingReceivablesImpairedTroubledDebtRestructuringWriteDown us-gaap:FinancingReceivablePortfolioSegment

us-gaap:CommercialPortfolioSegment


Financing
Period End2020-12-312020-09-302020-06-30
Value7.045120.872
Percentage of FinancingReceivablesImpairedTroubledDebtRestructuringWriteDown100.0100.0100.0

us-gaap:FinancingReceivablesImpairedTroubledDebtRestructuringWriteDown us-gaap:FinancingReceivablePortfolioSegment, us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable

us-gaap:CommercialPortfolioSegment, ewbc:CommercialAndIndustrialLoan


Financing
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-31
Value2.1620.2037.048120.8720.098
Percentage of FinancingReceivablesImpairedTroubledDebtRestructuringWriteDown100.0100.0100.099.8100.0100.0

us-gaap:CommercialPortfolioSegment, ewbc:TotalCommercialRealEstate


Financing
Period End2020-12-312020-09-30
Value-0.0030.021
Percentage of FinancingReceivablesImpairedTroubledDebtRestructuringWriteDown-0.00.2

us-gaap:CommercialPortfolioSegment, us-gaap:CommercialRealEstate


Financing
Period End2020-12-312020-09-30
Value-0.0030.021
Percentage of FinancingReceivablesImpairedTroubledDebtRestructuringWriteDown-0.00.2

us-gaap:GainLossOnSalesOfLoansNet

us-gaap:GainLossOnSalesOfLoansNet


Gain
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value1.4911.7813.0580.3610.1320.951.0682.0370.0150.9151.5091.1452.3541.5822.212.3611.5462.754-0.882.1582.8821.9275.1554.8885.289.551187.7266.7936.1964.0653.945-0.3540.0940.1455.3466.3755.1791.4325.4525.8917.416.2654.1778.0730.0
Percentage of GainLossOnSalesOfLoansNet100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0

us-gaap:IncreaseDecreaseInAccruedLiabilitiesAndOtherOperatingLiabilities

us-gaap:IncreaseDecreaseInAccruedLiabilitiesAndOtherOperatingLiabilities


Increase
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-31
Value28-72.935-46.589-40.405-47.283304-70.6816771-60.806-3.9664844-0.57-97.397
Percentage of IncreaseDecreaseInAccruedLiabilitiesAndOtherOperatingLiabilities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

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
Value3148455932109161980137465021623580018118962319648861405996461322377-363.4231116726124636511541969374710965310763466266423233.303-113.801144172699795342377-83.918-380.911
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 End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-31
Value259-185.677-125.3428.836-6.392462-192.36821312227225.93846-14.46559-11.177-1.051-93.501-26.276-2.9967.644-2.057
Percentage of IncreaseDecreaseInOtherOperatingAssets100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:InformationTechnologyAndDataProcessing

us-gaap:InformationTechnologyAndDataProcessing


Information
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value4.0354.4784.7073.594.483.8263.5883.3283.463.1573.163.2893.3273.4013.0843.0043.0582.9472.9712.7293.2952.6882.5892.6022.3772.6172.5372.2112.948.22.2992.1592.22.4372.2572.3132.1972.4642.0681.8272.12.6032.4412.6463.0462.482
Percentage of InformationTechnologyAndDataProcessing100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

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
Value399381381365398449467476474463457422400371359339322302302280278276270264255263287285294286293281255238276254266254268282274254292231253318
Percentage of InterestAndDividendIncomeOperating100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:InterestExpenseDeposits

us-gaap:InterestExpenseDeposits


Interest
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value17212833467689969792796551393431272323212019191818161617151515151516181819202328292525282933
Percentage of InterestExpenseDeposits100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:InterestExpenseFederalHomeLoanBankAndFederalReserveBankAdvancesLongTerm

us-gaap:InterestExpenseFederalHomeLoanBankAndFederalReserveBankAdvancesLongTerm


Interest
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-30
Value2.0993.0693.1373.1463.3434.1664.6865.0214.0112.9792.9032.7322.5522.262.0131.9471.7612.031.4321.3611.2921.51.1141.0741.0491.0331.0291.0271.0151.0451.0381.0491.0471.0391.2851.4681.3532.1422.7153.0133.9555.7785.7365.7256.175
Percentage of InterestExpenseFederalHomeLoanBankAndFederalReserveBankAdvancesLongTerm100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:InterestExpenseOtherLongTermDebt

us-gaap:InterestExpenseOtherLongTermDebt


Interest
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-31
Value772000.0780000.01132000.02092000.01454000.01367000.01529000.01643000.01713000.01758000.01676000.01692000.01649000.01471000.01399000.01388000.01353000.01289000.01291000.01228000.01262000.01236000.01176000.01160000.01158000.01142000.01191000.01211000.01219000.01202000.01040000.0985000.0707000.0710000.0749000.0920000.01084000.01102000.01049000.01424000.01788000.01571000.0
Percentage of InterestExpenseOtherLongTermDebt100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:InterestExpenseOtherShortTermBorrowings

us-gaap:InterestExpenseOtherShortTermBorrowings


Interest
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302015-12-312015-09-302015-06-302014-12-312014-09-30
Value042000.0276000.0407000.0265000.0556000.0404000.0382000.0361000.0616000.0624000.0643000.0124000.07000.0126000.0212000.05000.035000.018000.000
Percentage of InterestExpenseOtherShortTermBorrowings0.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.00.0

us-gaap:InterestExpenseSecuritiesSoldUnderAgreementsToRepurchase

us-gaap:InterestExpenseSecuritiesSoldUnderAgreementsToRepurchase


Interest
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value1.9911.9782.082.1553.543.9913.3823.2393.4693.4923.3963.3663.0422.3061.9382.1222.2733.1432.8632.3192.1961.9261.4133.5557.5338.4068.559.578101010101010111111111212121212121212
Percentage of InterestExpenseSecuritiesSoldUnderAgreementsToRepurchase100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:InterestIncomeDebtSecuritiesAvailableForSaleOperating

us-gaap:InterestIncomeDebtSecuritiesAvailableForSaleOperating


Interest
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value3429221821202015151515151515
Percentage of InterestIncomeDebtSecuritiesAvailableForSaleOperating100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:InterestIncomeDepositsWithFinancialInstitutions

us-gaap:InterestIncomeDepositsWithFinancialInstitutions


Interest
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-30
Value3.6283.6324.4585.0454.564111419161518131110119.637.552
Percentage of InterestIncomeDepositsWithFinancialInstitutions100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

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
Value391353322314241288349331348339351338326306304290279265262244247250248232223230240241258251259250218204231203217200209215200182216144148185
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:InterestIncomeSecuritiesPurchasedUnderAgreementsToResell

us-gaap:InterestIncomeSecuritiesPurchasedUnderAgreementsToResell


Interest
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value5.2955.5145.5655.7496.8817.3437.8467.8197.3937.1826.9346.8737.9017.8539.4688.0687.8347.9686.6775.8594.4114.684.8495.5675.3444.5594.8535.1045.1685.4355.5295.795.534.7584.3144.7735.0645.1094.272.9052.412.636.263
Percentage of InterestIncomeSecuritiesPurchasedUnderAgreementsToResell100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:LaborAndRelatedExpense

us-gaap:LaborAndRelatedExpense


Labor
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value105107105999610110197100102939693959079808479757371686662645958555946414245414042464139403839384150
Percentage of LaborAndRelatedExpense100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:LegalFees

us-gaap:LegalFees


Legal
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value1.9751.5021.6731.3661.533.1972.1411.722.3552.2252.1451.5442.8372.2552.5143.3162.5523.062-9.8735.3614.3463.0073.272.0994.1346.877.615329.1043.799129.0015.4674.4445.9058.2134.157.1734.4076.0286.7914.1015.1865.3016.1832.907
Percentage of LegalFees100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:MarketableSecuritiesUnrealizedGainLoss

us-gaap:MarketableSecuritiesUnrealizedGainLoss


Marketable
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value69000.0-497000.0-81000.055000.0720000.038000.0-166000.0188000.0375000.0392000.0251000.0-185000.0-159000.0-454000.0
Percentage of MarketableSecuritiesUnrealizedGainLoss100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

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
Value189191182167187178193176177186188179177169175164169153149170148146144147120128135176127124124100949610510010111410610411710611399125138
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:NoninterestExpense us-gaap:StatementBusinessSegments

ewbc:CommercialBanking


Noninterest
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value646970616470626267705353566547464454
Percentage of NoninterestExpense33.936.238.536.934.639.232.635.237.937.728.529.632.038.427.028.626.335.5

ewbc:ConsumerandBusinessBanking


Noninterest
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value8789838180868486838776878487
Percentage of NoninterestExpense46.246.745.748.642.748.643.949.047.147.040.948.747.651.6

us-gaap:AllOtherSegments


Noninterest
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value373228244221452726285339342241364425
Percentage of NoninterestExpense19.917.015.914.522.712.223.515.815.015.228.421.819.513.123.822.326.316.8

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
Value687273495854635152424146487445494711648494440445440447.80510-14.945-14.916-36.594-41.421-12.354-2.099-18.2542.751-11.655210.937-13.5451211-17.2792935-8.451
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:NoninterestIncome us-gaap:StatementBusinessSegments

ewbc:CommercialBanking


Noninterest
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value325044283332423333242427302727302625
Percentage of NoninterestIncome47.668.660.158.557.860.067.765.563.858.358.159.963.736.960.661.156.122.2

ewbc:ConsumerandBusinessBanking


Noninterest
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value2420191713161415141313131444
Percentage of NoninterestIncome35.728.626.435.123.830.323.129.327.532.732.228.330.259.7

us-gaap:AllOtherSegments


Noninterest
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value112.0289.8993.17105.1915.782.644.63.8154.0145.5042.9392.5586.5743.0867.01976
Percentage of NoninterestIncome16.72.813.56.418.49.69.25.18.79.19.611.86.13.414.56.214.866.0

us-gaap:NoninterestIncomeOther

us-gaap:NoninterestIncomeOther


Noninterest
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value7.5960.9257.4380.3160.9661.9212.6780.6630.7061.202
Percentage of NoninterestIncomeOther100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

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
Value2.4922.7945.5673.4951.3213.180.6043.2383.7833.1753.3182.5691.8652.9214.1443.6526.1975.4059.7268.5346.8234.8759.7044.7087.5097.3627.8273.823139.179127.2589.6046.0576.7045.7175.3184.2320.452.8536.4755.252.7912.0271.7741.422
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
Value15151616161717171717181716161716151515151514151515151515161514141313141413131212121213131311
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:AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedges


Oci
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302019-06-30
Value-0.1060.426-0.1550.034-1.4830.0
Percentage of OciBeforeReclassificationsBeforeTaxAttributableToParent100.0100.0100.0100.0100.00.0

us-gaap:AccumulatedNetUnrealizedInvestmentGainLoss


Oci
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-30
Value104-189.2767.1017.3043440-26.8216443046-19.319-12.342-24.577-16.024-1.749138.721-59.569-6.6771126-12.19422-8.455
Percentage of OciBeforeReclassificationsBeforeTaxAttributableToParent-98380.2-44431.0-4581.321482.4-2358.10.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:AccumulatedTranslationAdjustment


Oci
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-30
Value1.584-1.3095.1244.419-0.379-1.7661.717-1.618-2.9893.18-0.947-4.761-6.8226.7984.743.873.1361.007-5.351-0.555-4.638-0.033-1.951-6.8460.0
Percentage of OciBeforeReclassificationsBeforeTaxAttributableToParent-1494.3-307.3-3305.812997.125.60.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:OciBeforeReclassificationsNetOfTaxAttributableToParent us-gaap:StatementEquityComponents

us-gaap:OciBeforeReclassificationsNetOfTaxAttributableToParent

us-gaap:AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedges


Oci
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302019-06-30
Value-0.0760.305-0.1110.025-1.0630.0
Percentage of OciBeforeReclassificationsNetOfTaxAttributableToParent100.0100.0100.0100.0100.00.0

us-gaap:AccumulatedNetUnrealizedInvestmentGainLoss


Oci
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-30
Value73-133.3135.0675.1262428-18.89111302332-13.584-8.693-17.311-9.287-1.0147.7775.055-34.524-3.8696.62815-7.08413-4.904
Percentage of OciBeforeReclassificationsNetOfTaxAttributableToParent-96702.6-43709.2-4564.920504.0-2314.80.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:AccumulatedOtherComprehensiveIncome


Oci
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-30
Value75-134.3571023269.046242631-18.345-15.515-10.513-4.5472.856106.062-39.875-4.4241.9915-9.0356.281-4.904
Percentage of OciBeforeReclassificationsNetOfTaxAttributableToParent-99542.1-44051.542440.0-2193.10.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:AccumulatedTranslationAdjustment


Oci
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-30
Value2.234-1.3496.2325.459-0.23-2.1642.058-2.858-6.0163.18-0.947-4.761-6.8226.7984.743.873.1361.007-5.351-0.555-4.638-0.033-1.951-6.8460.0
Percentage of OciBeforeReclassificationsNetOfTaxAttributableToParent-2939.5-442.3-5614.421836.021.60.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:OtherComprehensiveIncomeAvailableforsaleSecuritiesAdjustmentNetOfTaxPortionAttributableToParent

us-gaap:OtherComprehensiveIncomeAvailableforsaleSecuritiesAdjustmentNetOfTaxPortionAttributableToParent


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
Value73-133.4484.7634.6341727-19.49911292232-13.608-8.841-18.812-10.042-1.9066.2013.621-35.621-4.9074.98412-14.823.246-8.1359.3256.5630.2061413-5.312-3.505-27.871.5066.177150.96119-12.558-25.865145.944
Percentage of OtherComprehensiveIncomeAvailableforsaleSecuritiesAdjustmentNetOfTaxPortionAttributableToParent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationAdjustmentNetOfTaxPortionAttributableToParent

us-gaap:OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationAdjustmentNetOfTaxPortionAttributableToParent


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-31
Value2.234-1.3496.2325.459-0.23-2.1642.058-2.858-6.0163.18-0.947-4.761-6.8226.7984.743.873.1361.007-5.351-0.555-4.638-0.033-1.951-6.8460.00.00.00.00.0-0.9-0.0060.010.1310.0570.067-0.732
Percentage of OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationAdjustmentNetOfTaxPortionAttributableToParent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.00.00.00.00.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OtherComprehensiveIncomeLossBeforeReclassificationsTax us-gaap:StatementEquityComponents

us-gaap:OtherComprehensiveIncomeLossBeforeReclassificationsTax

us-gaap:AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedges


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302019-06-30
Value-0.030.121-0.0440.009-0.420.0
Percentage of OtherComprehensiveIncomeLossBeforeReclassificationsTax100.0100.0100.0100.0100.00.0

us-gaap:AccumulatedNetUnrealizedInvestmentGainLoss


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-30
Value30-55.9632.0342.1781011-7.9294.996147.82713-5.735-3.649-7.266-6.737-0.7355.6433.666-25.045-2.8084.80710-5.119.507-3.551
Percentage of OtherComprehensiveIncomeLossBeforeReclassificationsTax-102630.0-46250.4-4622.724200.0-2467.60.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:AccumulatedTranslationAdjustment


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-30
Value-0.650.04-1.108-1.04-0.1490.398-0.3411.243.0270.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0
Percentage of OtherComprehensiveIncomeLossBeforeReclassificationsTax2166.733.12518.2-11555.635.50.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:OtherComprehensiveIncomeLossBeforeTaxPortionAttributableToParent

us-gaap:OtherComprehensiveIncomeLossBeforeTaxPortionAttributableToParent


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-31
Value105-190.17411112337-25.96715403245-24.115-19.374-19.908-12.5880.582137.254-66.814-9.0223.96122-27.518-1.248-14.00916110.1842523-9.106-6.034-48.042.61410241.64729-21.285-44.872253.894
Percentage of OtherComprehensiveIncomeLossBeforeTaxPortionAttributableToParent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OtherComprehensiveIncomeLossBeforeTaxPortionAttributableToParent us-gaap:StatementEquityComponents

us-gaap:AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedges


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302019-06-30
Value0.0950.6030.0220.121-1.860.0
Percentage of OtherComprehensiveIncomeLossBeforeTaxPortionAttributableToParent0.1-0.30.21.1-8.10.0

us-gaap:AccumulatedNetUnrealizedInvestmentGainLoss


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-30
Value103-189.4686.6696.6062538-27.68416432946-19.354-12.552-26.706-17.328-3.288106.247-61.463-8.4678.59922-25.5675.598-14.009
Percentage of OtherComprehensiveIncomeLossBeforeTaxPortionAttributableToParent98.499.656.459.3109.7104.7106.6110.6107.590.2102.180.364.8134.1137.7-564.977.386.192.093.8217.1100.192.9-448.6100.0

us-gaap:AccumulatedTranslationAdjustment


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-30
Value1.584-1.3095.1244.419-0.379-1.7661.717-1.618-2.9893.18-0.947-4.761-6.8226.7984.743.873.1361.007-5.351-0.555-4.638-0.033-1.951-6.8460.0
Percentage of OtherComprehensiveIncomeLossBeforeTaxPortionAttributableToParent1.50.743.439.6-1.6-4.7-6.6-10.6-7.59.8-2.119.735.2-34.1-37.7664.922.713.98.06.2-117.1-0.17.1548.6-0.0

us-gaap:OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationAndTaxParent

us-gaap:OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationAndTaxParent


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-30
Value68000.0432000.016000.087000.0-1333000.0
Percentage of OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationAndTaxParent100.0100.0100.0100.0100.0

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

us-gaap:OtherComprehensiveIncomeLossCashFlowHedgeGainLossBeforeReclassificationAndTax

us-gaap:InterestRateContract, us-gaap:CashFlowHedging, us-gaap:DesignatedAsHedgingInstrument


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302019-06-30
Value-106000.0426000.0-155000.034000.0-1483000.00
Percentage of OtherComprehensiveIncomeLossCashFlowHedgeGainLossBeforeReclassificationAndTax100.0100.0100.0100.0100.00.0

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

us-gaap:OtherComprehensiveIncomeLossCashFlowHedgeGainLossReclassificationBeforeTax

us-gaap:InterestRateContract, us-gaap:CashFlowHedging, us-gaap:DesignatedAsHedgingInstrument


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302019-06-30
Value-201000.0-177000.0-177000.0-87000.0377000.00
Percentage of OtherComprehensiveIncomeLossCashFlowHedgeGainLossReclassificationBeforeTax100.0100.0100.0100.0100.00.0

us-gaap:OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent

us-gaap:OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-31
Value75-134.36511101625-17.4419.005232531-18.369-15.663-12.014-5.3021.9649.3374.628-40.972-5.4620.34612-16.771-3.6-8.1259.3186.6650.1071413-5.281-3.5-27.8631.5166.186140.95517-12.345-26.025142.259
Percentage of OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent us-gaap:StatementEquityComponents

us-gaap:AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedges


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302019-06-30
Value0.0680.4320.0160.087-1.3330.0
Percentage of OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent0.1-0.30.10.9-8.20.0

us-gaap:AccumulatedNetUnrealizedInvestmentGainLoss


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-30
Value73-133.4484.7634.6341727-19.49911292232-13.608-8.841-18.812-10.042-1.9066.2013.621-35.621-4.9074.98412-14.823.246-8.125
Percentage of OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent96.999.343.345.5109.6108.6111.8131.7126.187.4103.074.156.4156.6189.4-97.066.478.286.989.81440.5100.388.4-90.2100.0

us-gaap:AccumulatedOtherComprehensiveIncome


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-31
Value75-134.36511101625-17.4419.005232531-18.369-15.663-12.014-5.3021.9649.3374.628-40.972-5.4620.34612-16.771-3.6-8.1259.3186.6650.1071413-5.281-3.5-27.8631.5166.186140.95517-12.345-26.025142.259
Percentage of OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:AccumulatedTranslationAdjustment


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-30
Value2.234-1.3496.2325.459-0.23-2.1642.058-2.858-6.0163.18-0.947-4.761-6.8226.7984.743.873.1361.007-5.351-0.555-4.638-0.033-1.951-6.8460.0
Percentage of OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent3.01.056.653.6-1.4-8.6-11.8-31.7-26.112.6-3.025.943.6-56.6-89.4197.033.621.813.110.2-1340.5-0.311.6190.2-0.0

us-gaap:OtherComprehensiveIncomeLossTaxPortionAttributableToParent1

us-gaap:OtherComprehensiveIncomeLossTaxPortionAttributableToParent1


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-30
Value29-55.8090.8040.9666.83811-8.5266.219177.36613-5.746-3.711-7.894-7.286-1.3824.4992.626-25.842-3.563.6159.372-10.7472.352-5.8846.74845-0.077-10.501-9.7213.8252.53420-1.098-4.478-10.432-0.692-12.3548.9418
Percentage of OtherComprehensiveIncomeLossTaxPortionAttributableToParent1100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OtherComprehensiveIncomeLossTaxPortionAttributableToParent1 us-gaap:StatementEquityComponents

us-gaap:AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedges


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302019-06-30
Value0.0270.1710.0060.034-0.5270.0
Percentage of OtherComprehensiveIncomeLossTaxPortionAttributableToParent10.1-0.30.73.5-7.70.0

us-gaap:AccumulatedNetUnrealizedInvestmentGainLoss


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-30
Value30-56.021.9061.9727.51411-8.1854.979147.36613-5.746-3.711-7.894-7.286-1.3824.4992.626-25.842-3.563.6159.372-10.7472.352-5.884
Percentage of OtherComprehensiveIncomeLossTaxPortionAttributableToParent1102.1100.4237.1204.1109.996.796.080.182.3100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:AccumulatedTranslationAdjustment


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-30
Value-0.650.04-1.108-1.04-0.1490.398-0.3411.243.0270.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0
Percentage of OtherComprehensiveIncomeLossTaxPortionAttributableToParent1-2.2-0.1-137.8-107.7-2.23.34.019.917.70.00.0-0.0-0.0-0.0-0.0-0.00.00.0-0.0-0.00.00.0-0.00.0-0.0

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
Value17192217192124222222262320172119191620192121172321233220181618151414151514141616141317141718
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:OtherOperatingActivitiesCashFlowStatement

us-gaap:OtherOperatingActivitiesCashFlowStatement


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
Value5551000.020000.01654000.0770000.0-80000.0-161000.0-71000.0770000.03000.00-266000.0-1473000.0-241000.0148000.0321000.0264000.03665000.0-6064000.0-1682000.0-770000.0322000.0-349000.0-638000.01871000.0-565000.0-781000.0-1132000.0-213000.0-878000.0-287000.02343000.0-1450000.0-1101000.0-3570000.0-1184000.0-1286000.0-1294000.0-713000.0-1326000.0-730000.0-1315000.0-338000.0
Percentage of OtherOperatingActivitiesCashFlowStatement100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:PaymentsForOriginationAndPurchasesOfLoansHeldForSale

us-gaap:PaymentsForOriginationAndPurchasesOfLoansHeldForSale


Payments
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-31
Value2.9855.7182732155.8024.2283.0021.1722.1672.5346.0956.934.6175.4525.2635.5194.2877.9037.5371.9611.4030.00.1810.4420.00.06.16325600.432727434423181532330.7346.1520
Percentage of PaymentsForOriginationAndPurchasesOfLoansHeldForSale100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.00.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:PaymentsForProceedsFromOtherInvestingActivities

us-gaap:PaymentsForProceedsFromOtherInvestingActivities


Payments
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-03-312010-03-31
Value-3.6951.3074.7171.472-1.0641.4380.663-3.6194.7870.7291.0330.8020.2331.9675.158-5.357-11.212-11.345-8.955-12.847-4.4532.0225.459-0.038-1.5640.1050.682-0.0890.0135.5120.120.102-4.8214.9290.1310.124-0.5960.8320.128-0.039-0.028
Percentage of PaymentsForProceedsFromOtherInvestingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:PaymentsForSecuritiesPurchasedUnderAgreementsToResell

us-gaap:PaymentsForSecuritiesPurchasedUnderAgreementsToResell


Payments
Period End2020-12-312020-09-302019-12-312019-09-302018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302013-12-312013-09-302012-12-312012-09-302011-12-312011-09-30
Value3000.02001000.0601000.0500.035020040050100100030300620725-250.0-100.00.0150650725172701
Percentage of PaymentsForSecuritiesPurchasedUnderAgreementsToResell100.00.0100.0100.00.0100.0100.00.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.0100.0100.0

us-gaap:PaymentsOfOrdinaryDividends

us-gaap:PaymentsOfOrdinaryDividends


Payments
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-30
Value46483938384140404034333329302828283028282829282828292525252620202222151516169.1679.169.1513.2018.9017.025
Percentage of PaymentsOfOrdinaryDividends100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:PaymentsRelatedToTaxWithholdingForShareBasedCompensation

us-gaap:PaymentsRelatedToTaxWithholdingForShareBasedCompensation


Payments
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-31
Value0.271140.5970.030.0177.6090.4050.0610.133140.1320.3410.215140.2770.4040.105120.0810.050.043.0540.1050.0720.0965.6912.7940.2240.2347.0744.7840.3820.3028.365
Percentage of PaymentsRelatedToTaxWithholdingForShareBasedCompensation100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:PaymentsToAcquireAvailableForSaleSecuritiesDebt

us-gaap:PaymentsToAcquireAvailableForSaleSecuritiesDebt


Payments
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value104529691590133384698710849022466937427977157
Percentage of PaymentsToAcquireAvailableForSaleSecuritiesDebt100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:PaymentsToAcquireFinanceReceivables

us-gaap:PaymentsToAcquireFinanceReceivables


Payments
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value231311226181213312869178147
Percentage of PaymentsToAcquireFinanceReceivables100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ProceedsFromEquityMethodInvestmentDividendsOrDistributionsReturnOfCapital

us-gaap:ProceedsFromEquityMethodInvestmentDividendsOrDistributionsReturnOfCapital


Proceeds
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value2.1512.832130.6531.5740.3744.9390.9272.6311.0050.9212.5391.0960.6292.2453.5081.4651.169
Percentage of ProceedsFromEquityMethodInvestmentDividendsOrDistributionsReturnOfCapital100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ProceedsFromFederalHomeLoanBankBorrowings

us-gaap:ProceedsFromFederalHomeLoanBankBorrowings


Proceeds
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312011-09-302011-06-302011-03-312010-09-302010-06-302010-03-31
Value0.10.1100.00.00.012003000.00.00.00.00.00.00.00.00.0350
Percentage of ProceedsFromFederalHomeLoanBankBorrowings100.0100.0100.00.00.00.0100.0100.00.00.00.00.00.00.00.00.00.0100.0

us-gaap:ProceedsFromIssuanceOfSharesUnderIncentiveAndShareBasedCompensationPlansIncludingStockOptions

us-gaap:ProceedsFromIssuanceOfSharesUnderIncentiveAndShareBasedCompensationPlansIncludingStockOptions


Proceeds
Period End2020-12-312020-09-302019-12-312019-09-302018-12-312018-09-302017-12-312017-09-302016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-30
Value1.1560.01.4880.0011.5180.01.2720.01.020.91.0620.01.0660.00.9360.8335.5450.0420.9240.2830.9420.9620.7080.4420.6850.4581.1391.5392.0630.3221.7661.5751.9270.726
Percentage of ProceedsFromIssuanceOfSharesUnderIncentiveAndShareBasedCompensationPlansIncludingStockOptions100.00.0100.0100.0100.00.0100.00.0100.0100.0100.00.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ProceedsFromMaturitiesPrepaymentsAndCallsOfAvailableForSaleSecurities

us-gaap:ProceedsFromMaturitiesPrepaymentsAndCallsOfAvailableForSaleSecurities


Proceeds
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value40347353768354030887116661553381921238790781191256324272851581761612581382011455615167114174871193924681383328863332282956951091482
Percentage of ProceedsFromMaturitiesPrepaymentsAndCallsOfAvailableForSaleSecurities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ProceedsFromPaymentsForInInterestBearingDepositsInBanks

us-gaap:ProceedsFromPaymentsForInInterestBearingDepositsInBanks


Proceeds
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-31
Value-49.53429-209.636-52.474-200.078-115.419-11.019-17.913-22.98824529-53.4599-71.20311-105.314-44.0875-24.78-78.58268-3.531
Percentage of ProceedsFromPaymentsForInInterestBearingDepositsInBanks100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ProceedsFromSaleAndCollectionOfLoansHeldforsale

us-gaap:ProceedsFromSaleAndCollectionOfLoansHeldforsale


Proceeds
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-31
Value2.7097.6443031134.6574.0952.7091.1782.4543.4165.8938.2142.5455.5715.8085.2114.7738.684102.5652.2290.9420.3691.4060.457102776840
Percentage of ProceedsFromSaleAndCollectionOfLoansHeldforsale100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ProceedsFromSaleOfAvailableForSaleSecuritiesDebt

us-gaap:ProceedsFromSaleOfAvailableForSaleSecuritiesDebt


Proceeds
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value118463010177306150101223151683942214
Percentage of ProceedsFromSaleOfAvailableForSaleSecuritiesDebt100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ProceedsFromSaleOfFinanceReceivables

us-gaap:ProceedsFromSaleOfFinanceReceivables


Proceeds
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value101147771103311064547792
Percentage of ProceedsFromSaleOfFinanceReceivables100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ProceedsFromSaleOfPropertyPlantAndEquipment

us-gaap:ProceedsFromSaleOfPropertyPlantAndEquipment


Proceeds
Period End2020-12-312020-09-302018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312013-12-312013-09-302012-12-312012-09-302011-12-312011-09-302010-12-312010-09-30
Value3.2710.01.6380.00.00.03.7280.00.01160.00.8877.2760.04.2431.466180.0010.0270.0890.0280.04
Percentage of ProceedsFromSaleOfPropertyPlantAndEquipment100.00.0100.00.00.00.0100.00.00.0100.00.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ProceedsFromSecuritiesPurchasedUnderAgreementsToResell

us-gaap:ProceedsFromSecuritiesPurchasedUnderAgreementsToResell


Proceeds
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-30
Value5050100250350250500.00.00.01750.02505055040050400501000-320.019587530025050
Percentage of ProceedsFromSecuritiesPurchasedUnderAgreementsToResell100.0100.0100.0100.0100.0100.0100.00.00.00.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ProfessionalFees

us-gaap:ProfessionalFees


Professional
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value1.8681.4751.5371.2241.4131.2173.1592.5592.0692.0591.4242.6835.122.3524.1474.0874.7691.9193.7154.5945.9818.4527.6384.9832.1822.4312.1522.9822.3281.0493.7251.2641.0030.4542.2572.6921.5681.4671.0532.0942.3781.6262.3121.6121.9192.141
Percentage of ProfessionalFees100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ProvisionForLoanLeaseAndOtherLosses

us-gaap:ProvisionForLoanLeaseAndOtherLosses


Provision
Period End2021-06-302020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-30
Value-15.02410.01027318381922171015201512107.068109.5256.0531.44-2.07.7363.4944.98719158.06.9335.4663.5719.04.327131815182022
Percentage of ProvisionForLoanLeaseAndOtherLosses100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ProvisionForLoanLeaseAndOtherLosses us-gaap:FinancingReceivablePortfolioSegment

ewbc:CommercialandConsumerPortfolioSegment


Provision
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-30
Value199.8899474203720
Percentage of ProvisionForLoanLeaseAndOtherLosses81.598.992.1101.1112.298.9107.7

us-gaap:ProvisionForLoanLeaseAndOtherLosses us-gaap:FinancingReceivablePortfolioSegment, us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable

us-gaap:CommercialPortfolioSegment, ewbc:CommercialAndIndustrialLoan


Provision
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-30
Value15313760303726
Percentage of ProvisionForLoanLeaseAndOtherLosses61.8316.937.082.1163.697.4135.8

us-gaap:CommercialPortfolioSegment, ewbc:ConstructionAndLandLoan


Provision
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-30
Value-0.184-8.187.5261.482-9.786.1890.173
Percentage of ProvisionForLoanLeaseAndOtherLosses-0.8-81.87.32.0-52.616.20.9

us-gaap:CommercialPortfolioSegment, us-gaap:CommercialRealEstate


Provision
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-30
Value9.415-8.30143111.782-3.213-1.25
Percentage of ProvisionForLoanLeaseAndOtherLosses38.7-83.042.315.59.6-8.4-6.5

us-gaap:ConsumerPortfolioSegment, ewbc:OtherConsumer


Provision
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-30
Value-0.184-0.076-0.849-2.272-0.58-0.16-0.098
Percentage of ProvisionForLoanLeaseAndOtherLosses-0.8-0.8-0.8-3.1-3.1-0.4-0.5

us-gaap:ConsumerPortfolioSegment, us-gaap:HomeEquity


Provision
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-30
Value-0.585-0.6370.2050.412-0.591-0.326-1.224
Percentage of ProvisionForLoanLeaseAndOtherLosses-2.4-6.40.20.6-3.2-0.9-6.4

us-gaap:ProvisionForLoanLeaseAndOtherLosses us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable

us-gaap:UnfundedLoanCommitment


Provision
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value-6.229-1.0484.4940.1118.143-0.786-2.2660.405-1.4861.939
Percentage of ProvisionForLoanLeaseAndOtherLosses41.50.018.51.17.9-1.1-12.21.1-7.78.6

us-gaap:ProvisionForLoanLeaseAndOtherLosses us-gaap:MortgageLoansOnRealEstateDescriptionTypeOfProperty, us-gaap:FinancingReceivablePortfolioSegment, us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable

srt:Multifamily, us-gaap:CommercialPortfolioSegment, us-gaap:RealEstateLoan


Provision
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-30
Value3.606-1.9167.9081.2811.0390.9850.058
Percentage of ProvisionForLoanLeaseAndOtherLosses14.8-19.27.71.75.62.60.3

srt:SingleFamily, us-gaap:ConsumerPortfolioSegment, us-gaap:RealEstateLoan


Provision
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-30
Value-7.263-2.692-1.6671.7-1.41-2.877-3.068
Percentage of ProvisionForLoanLeaseAndOtherLosses-29.8-26.9-1.62.3-7.6-7.5-15.9

us-gaap:ProvisionForLoanLeaseAndOtherLosses us-gaap:StatementBusinessSegments

ewbc:CommercialBanking


Provision
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-31
Value-17.3584.2493013966613341719159.83712171510116.68711133.6083.0222.5676.2816.627148.444.2812.2892.4036.1140.647
Percentage of ProvisionForLoanLeaseAndOtherLosses115.70.0124.7134.794.589.571.588.991.686.788.093.378.084.799.784.2106.294.6114.4138.959.6209.9-128.381.234.997.4105.561.741.967.367.915.0

ewbc:ConsumerandBusinessBanking


Provision
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value2.358-4.249-6.023-3.475.597.7885.2984.2511.6163.0132.1520.7053.4143.093
Percentage of ProvisionForLoanLeaseAndOtherLosses-15.70.0-24.7-34.75.510.528.511.18.413.312.06.722.015.3

us-gaap:ReclassificationFromAociCurrentPeriodBeforeTaxAttributableToParent us-gaap:StatementEquityComponents

us-gaap:ReclassificationFromAociCurrentPeriodBeforeTaxAttributableToParent

us-gaap:AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedges


Reclassification
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302019-06-30
Value-0.201-0.177-0.177-0.0870.3770.0
Percentage of ReclassificationFromAociCurrentPeriodBeforeTaxAttributableToParent100.0100.0100.0100.0100.00.0

us-gaap:AccumulatedNetUnrealizedInvestmentGainLoss


Reclassification
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-30
Value0.6320.1920.4320.6989.641.5290.8640.0581.4471.5610.1610.0350.212.1291.3041.5392.722.4741.8941.792.8363.84213175.554
Percentage of ReclassificationFromAociCurrentPeriodBeforeTaxAttributableToParent-314.4-108.5-244.1-802.32557.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:ReclassificationFromAociCurrentPeriodNetOfTaxAttributableToParent us-gaap:StatementEquityComponents

us-gaap:ReclassificationFromAociCurrentPeriodNetOfTaxAttributableToParent

us-gaap:AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedges


Reclassification
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302019-06-30
Value-0.144-0.127-0.127-0.0620.270.0
Percentage of ReclassificationFromAociCurrentPeriodNetOfTaxAttributableToParent100.0100.0100.0100.0100.00.0

us-gaap:AccumulatedNetUnrealizedInvestmentGainLoss


Reclassification
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-30
Value0.4450.1350.3040.4926.791.0770.6080.0411.0191.10.1130.0240.1481.5010.7550.8921.5761.4341.0971.0381.6442.2267.7369.8813.221
Percentage of ReclassificationFromAociCurrentPeriodNetOfTaxAttributableToParent-309.0-106.3-239.4-793.52514.80.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:AccumulatedOtherComprehensiveIncome


Reclassification
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-30
Value0.3010.0080.437.061.0770.0411.0191.10.1130.0240.1481.5010.7550.8921.5761.4341.0971.0381.6442.2267.7369.8813.221
Percentage of ReclassificationFromAociCurrentPeriodNetOfTaxAttributableToParent-209.0-6.3-693.52614.80.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:ReclassificationFromAociCurrentPeriodTax us-gaap:StatementEquityComponents

us-gaap:ReclassificationFromAociCurrentPeriodTax

us-gaap:AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedges


Reclassification
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302019-06-30
Value-0.057-0.05-0.05-0.0250.1070.0
Percentage of ReclassificationFromAociCurrentPeriodTax100.0100.0100.0100.0100.00.0

us-gaap:AccumulatedNetUnrealizedInvestmentGainLoss


Reclassification
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-30
Value0.1870.0570.1280.2062.850.4520.2560.0170.4280.4610.0480.0110.0620.6280.5490.6471.1441.040.7970.7521.1921.6165.6377.1552.333
Percentage of ReclassificationFromAociCurrentPeriodTax-328.1-114.0-256.0-824.02663.60.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:RepaymentsOfDebt us-gaap:DebtInstrument, us-gaap:SubsequentEventType

us-gaap:RepaymentsOfDebt

ewbc:CARESActPaycheckProtectionProgramLiquidityFacility, us-gaap:SubsequentEvent


Repayments
Period End2020-10-31
Value1430
Percentage of RepaymentsOfDebt100.0

us-gaap:RepaymentsOfFederalHomeLoanBankBorrowings

us-gaap:RepaymentsOfFederalHomeLoanBankBorrowings


Repayments
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value5.10.1010.1990.0010.08002820.00.00.00.00.00.00.00.00.00.00.07000.00.00.00.00.043-0.00134230.0772624200.0-17.5826389
Percentage of RepaymentsOfFederalHomeLoanBankBorrowings100.0100.0100.0100.0100.00.0100.0100.00.00.00.00.00.00.00.00.00.00.00.0100.00.00.00.00.00.0100.0100.0100.0100.00.0100.0100.0100.00.0100.0100.0100.0

us-gaap:RepaymentsOfOtherLongTermDebt

us-gaap:RepaymentsOfOtherLongTermDebt


Repayments
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312012-12-312011-12-31
Value0.2980.31514271.2899.0310.2890.2260.2230.2180.21710.05.05.05.05.00.05.05.05.05.05.05.05.05.05.05.05.05.05.0150.02.0
Percentage of RepaymentsOfOtherLongTermDebt100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeituresWeightedAverageGrantDateFairValue us-gaap:AwardType

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeituresWeightedAverageGrantDateFairValue

ewbc:TimeBasedRestrictedStockSettledinStock


Share
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value-4.6860.940.29-1.011.5152.820.280.30.6756.23
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeituresWeightedAverageGrantDateFairValue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue us-gaap:AwardType

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue

ewbc:PerformanceBasedRestrictedStockSettledinStock


Share
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value077.6700039.7900054.64
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue0.0100.00.00.00.0100.00.00.00.0100.0

ewbc:TimeBasedRestrictedStockSettledinStock


Share
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value0.0171.40.10-1.2541.76-0.07-0.07-0.1552.75
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue0.091.90.00.00.0105.00.00.00.096.5

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodWeightedAverageGrantDateFairValue us-gaap:AwardType

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodWeightedAverageGrantDateFairValue

ewbc:PerformanceBasedRestrictedStockSettledinStock


Share
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value070.1300056.5900029.18
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodWeightedAverageGrantDateFairValue0.0100.00.00.00.0100.00.00.00.0100.0

ewbc:TimeBasedRestrictedStockSettledinStock


Share
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value-0.0467.30.740.02054.470.360.040.231.38
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodWeightedAverageGrantDateFairValue0.096.00.00.00.096.30.00.00.0107.5

us-gaap:StockIssuedDuringPeriodValueShareBasedCompensation

us-gaap:StockIssuedDuringPeriodValueShareBasedCompensation


Stock
Period End2021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-31
Value-7.4017.3598.6178.115-0.3378.8418.1439.805-6.6320.3588.17-14.946250.5560.903-12.1541.9940.851.022-3.0541.0610.7280.84-4.858
Percentage of StockIssuedDuringPeriodValueShareBasedCompensation100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:StockIssuedDuringPeriodValueShareBasedCompensation us-gaap:StatementEquityComponents

us-gaap:CommonStockIncludingAdditionalPaidInCapital


Stock
Period End2021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-31
Value7.5827.9568.6488.1317.2729.2468.2049.9387.436470.3588.385-14.946250.961.0080.02.0750.91.0620.01.1660.80.9360.833
Percentage of StockIssuedDuringPeriodValueShareBasedCompensation-102.4108.1100.4100.2-2157.9104.6100.7101.4-112.7148.4100.0102.6100.0101.1172.7111.6-0.0104.1105.9103.9-0.0109.9109.9111.4-17.1

us-gaap:TreasuryStock


Stock
Period End2021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-31
Value-14.983-0.597-0.031-0.016-7.609-0.405-0.061-0.133-14.036-0.132-0.341-0.215-14.946-12.154-0.081-0.05-0.04-3.054-0.105-0.072-0.096-5.691
Percentage of StockIssuedDuringPeriodValueShareBasedCompensation202.4-8.1-0.4-0.22257.9-4.6-0.7-1.4212.7-0.4-95.3-2.6100.0100.0-4.1-5.9-3.9100.0-9.9-9.9-11.4117.1

us-gaap:StockRepurchasedDuringPeriodValue

us-gaap:StockRepurchasedDuringPeriodValue


Stock
Period End2020-12-31
Value0.0
Percentage of StockRepurchasedDuringPeriodValue0.0

us-gaap:TransferOfPortfolioLoansAndLeasesToHeldForSale1

us-gaap:TransferOfPortfolioLoansAndLeasesToHeldForSale1


Transfer
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-30
Value75893311063498192118771291551947466278931442673081364003298203766912643383-5.213-2.7321-4.624127-19.4834013151236243425-242.641
Percentage of TransferOfPortfolioLoansAndLeasesToHeldForSale1100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:TransferOfPortfolioLoansAndLeasesToHeldForSale1 us-gaap:FinancingReceivablePortfolioSegment, us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable

us-gaap:CommercialPortfolioSegment, ewbc:CommercialAndIndustrialLoan


Transfer
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-30
Value548933102553479751055399146935858
Percentage of TransferOfPortfolioLoansAndLeasesToHeldForSale172.1100.0100.093.488.269.598.181.989.368.276.694.048.278.989.1

us-gaap:CommercialPortfolioSegment, us-gaap:CommercialRealEstate


Transfer
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-30
Value190.00.07.257.438140.016129.83309.37618145.668
Percentage of TransferOfPortfolioLoansAndLeasesToHeldForSale126.10.00.06.611.830.50.018.110.712.623.46.09.819.98.6

us-gaap:TransferToOtherRealEstate

us-gaap:TransferToOtherRealEstate


Transfer
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312017-12-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-31
Value0.00.00.0190.02.0130.00.01.2060.3211.9975.3550.680.0511.2373.430.8013.8285.3724.1272215103.9036.55223188.384143934
Percentage of TransferToOtherRealEstate0.00.00.0100.00.0100.00.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:TreasuryStockAcquiredAverageCostPerShare

us-gaap:TreasuryStockAcquiredAverageCostPerShare


Treasury
Period End2020-12-312013-06-302013-03-312012-12-312012-09-302012-06-302012-03-31
Value00.3624.530-0.06-0.0622.14
Percentage of TreasuryStockAcquiredAverageCostPerShare0.0100.0100.00.0100.0100.0100.0

us-gaap:TreasuryStockValueAcquiredCostMethod

us-gaap:TreasuryStockValueAcquiredCostMethod


Treasury
Period End2020-12-312020-09-302020-06-302020-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value0.00.00.01450.00.0112870.050481001.268-0.047-0.024-0.5481.688-0.037-0.025-0.419
Percentage of TreasuryStockValueAcquiredCostMethod0.00.00.0100.00.00.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:TreasuryStockValueAcquiredCostMethod us-gaap:StatementEquityComponents

us-gaap:TreasuryStock


Treasury
Period End2020-12-312020-09-302020-06-302020-03-312018-06-302018-03-312017-09-302017-06-302017-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value0.00.00.01450.00.0-0.404-0.105-12.1540.00.0112870.050481001.268-0.047-0.024-0.5481.688-0.037-0.025-0.419
Percentage of TreasuryStockValueAcquiredCostMethod0.00.00.0100.00.00.00.00.00.00.00.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:WeightedAverageNumberDilutedSharesOutstandingAdjustment

us-gaap:WeightedAverageNumberDilutedSharesOutstandingAdjustment


Weighted
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-09-302016-06-302016-03-312015-09-302015-06-302015-03-312014-09-30
Value1172000.01198000.0545000.0341000.0471000.0561000.0506000.0665000.01252000.01192000.01275000.01384000.01255000.01483000.01116000.0977000.0845000.0729000.0634000.0694000.0600000.0
Percentage of WeightedAverageNumberDilutedSharesOutstandingAdjustment100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

ewbc:AllowanceforUnfundedCreditCommitments

ewbc:AllowanceforUnfundedCreditCommitments


Allowancefor
Period End2021-06-302021-03-312020-12-312019-12-31
Value26323311
Percentage of AllowanceforUnfundedCreditCommitments100.0100.0100.0100.0

ewbc:AllowanceforUnfundedCreditCommitments ewbc:TypeofGuarantees, us-gaap:BalanceSheetLocation, us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable, us-gaap:LossContingenciesByNatureOfContingency

ewbc:LoansSoldorSecuritizedWithRecourse, ewbc:AccruedExpensesAndOtherLiabilities, ewbc:SingleFamilyResidentialAndMultiFamilyResidential, us-gaap:GuaranteeObligations


Allowancefor
Period End2020-09-302020-06-302020-03-312019-12-31
Value0.0760.0850.0650.076
Percentage of AllowanceforUnfundedCreditCommitments0.00.00.00.7

ewbc:AllowanceforUnfundedCreditCommitments ewbc:TypeofGuarantees, us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable, us-gaap:LossContingenciesByNatureOfContingency

ewbc:LoansSoldorSecuritizedWithRecourse, ewbc:SingleFamilyResidentialAndMultiFamilyResidential, us-gaap:GuaranteeObligations


Allowancefor
Period End2021-06-302021-03-312020-12-312019-12-31
Value0.0680.0830.0880.076
Percentage of AllowanceforUnfundedCreditCommitments0.30.30.30.7

ewbc:AllowanceforUnfundedCreditCommitments us-gaap:BalanceSheetLocation

ewbc:AccruedExpensesAndOtherLiabilities


Allowancefor
Period End2020-09-302020-06-302020-03-312019-12-31
Value29282011
Percentage of AllowanceforUnfundedCreditCommitments0.00.00.0100.0

ewbc:AllowanceforUnfundedCreditCommitments us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable

us-gaap:UnfundedLoanCommitment


Allowancefor
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
Value263233292820111313141213
Percentage of AllowanceforUnfundedCreditCommitments100.4100.4100.20.00.00.0100.50.00.00.00.00.0

ewbc:AssetsPurchasedUnderAgreementsToResell

ewbc:AssetsPurchasedUnderAgreementsToResell


Assets
Period End2021-06-302021-03-312020-12-312019-12-31
Value229921601460860
Percentage of AssetsPurchasedUnderAgreementsToResell100.0100.0100.0100.0

ewbc:AssetsPurchasedUnderAgreementsToResell us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementBasis

us-gaap:FairValueInputsLevel2, us-gaap:EstimateOfFairValueFairValueDisclosure


Assets
Period End2021-06-302021-03-312020-12-312019-12-31
Value229021521464856
Percentage of AssetsPurchasedUnderAgreementsToResell99.699.6100.399.5

ewbc:AssetsPurchasedUnderAgreementsToResell us-gaap:FairValueByMeasurementBasis

us-gaap:CarryingReportedAmountFairValueDisclosure


Assets
Period End2021-06-302021-03-312020-12-312019-12-31
Value229921601460860
Percentage of AssetsPurchasedUnderAgreementsToResell100.0100.0100.0100.0

us-gaap:EstimateO