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  <xs:element name="LoansHeldForSaleFairValue" id="ewbc_LoansHeldForSaleFairValue" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:periodType="duration" xbrli:balance="debit" />
  <xs:element name="PercentageOfLossesAbsorbedByFdicUnderSharedLossAgreements" id="ewbc_PercentageOfLossesAbsorbedByFdicUnderSharedLossAgreements" type="num:percentItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:periodType="duration" />
  <xs:element name="PercentageOfCompanysLiabilityForLossesUnderSharedLossAgreements" id="ewbc_PercentageOfCompanysLiabilityForLossesUnderSharedLossAgreements" type="num:percentItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:periodType="duration" />
  <xs:element name="CompanysLiabilityForLossesUnderSharedLossAgreements" id="ewbc_CompanysLiabilityForLossesUnderSharedLossAgreements" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:periodType="duration" xbrli:balance="credit" />
  <xs:element name="TotalEligibleLossesSubjectToSharedLossAgreements" id="ewbc_TotalEligibleLossesSubjectToSharedLossAgreements" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:periodType="duration" xbrli:balance="credit" />
  <xs:element name="AvailableForSaleOtherResidentialMortgageBackedSecuritiesInvestmentGradeFairValueDisclosure" id="ewbc_AvailableForSaleOtherResidentialMortgageBackedSecuritiesInvestmentGradeFairValueDisclosure" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:periodType="instant" xbrli:balance="debit" />
  <xs:element name="AvailableForSaleOtherResidentialMortgageBackedSecuritiesNoninvestmentGradeFairValueDisclosure" id="ewbc_AvailableForSaleOtherResidentialMortgageBackedSecuritiesNoninvestmentGradeFairValueDisclosure" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:periodType="instant" xbrli:balance="debit" />
  <xs:element name="AvailableForSaleCorporateDebtSecuritiesAbstract" id="ewbc_AvailableForSaleCorporateDebtSecuritiesAbstract" type="xbrli:stringItemType" substitutionGroup="xbrli:item" nillable="true" abstract="true" xbrli:periodType="duration" />
  <xs:element name="AvailableForSaleCorporateDebtSecuritiesInvestmentGradeFairValueDisclosure" id="ewbc_AvailableForSaleCorporateDebtSecuritiesInvestmentGradeFairValueDisclosure" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:periodType="instant" xbrli:balance="debit" />
  <xs:element name="AvailableForSaleCorporateDebtSecuritiesNoninvestmentGradeFairValueDisclosure" id="ewbc_AvailableForSaleCorporateDebtSecuritiesNoninvestmentGradeFairValueDisclosure" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:periodType="instant" xbrli:balance="debit" />
  <xs:element name="AvailableForSaleOtherSecuritiesFairValueDisclosure" id="ewbc_AvailableForSaleOtherSecuritiesFairValueDisclosure" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:periodType="instant" xbrli:balance="debit" />
  <xs:element name="EquitySwapAgreementsFairValueDisclosure" id="ewbc_EquitySwapAgreementsFairValueDisclosure" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:periodType="instant" xbrli:balance="debit" />
  <xs:element name="AssetsLiabilitiesMeasuredAtFairValueOnRecurringAndNonrecurringBasisTableTextBlock" id="ewbc_AssetsLiabilitiesMeasuredAtFairValueOnRecurringAndNonrecurringBasisTableTextBlock" type="nonnum:textBlockItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:periodType="duration" />
  <xs:element name="GainLossOnInvestmentsAssetsAbstract" id="ewbc_GainLossOnInvestmentsAssetsAbstract" type="xbrli:stringItemType" substitutionGroup="xbrli:item" nillable="true" abstract="true" xbrli:periodType="duration" />
  <xs:element name="FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetUnrealizedGainLossIncludedInOtherComprehensiveIncome" id="ewbc_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetUnrealizedGainLossIncludedInOtherComprehensiveIncome" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:periodType="duration" xbrli:balance="credit" />
  <xs:element name="FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetTransfersFromInvestmentGradeToNoninvestmentGrade" id="ewbc_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetTransfersFromInvestmentGradeToNoninvestmentGrade" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:periodType="duration" xbrli:balance="debit" />
  <xs:element name="GainLossOnInvestmentsLiabilitiesAbstract" id="ewbc_GainLossOnInvestmentsLiabilitiesAbstract" type="xbrli:stringItemType" substitutionGroup="xbrli:item" nillable="true" abstract="true" xbrli:periodType="duration" />
  <xs:element name="FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilityUnrealizedGainLossIncludedInOtherComprehensiveIncome" id="ewbc_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilityUnrealizedGainLossIncludedInOtherComprehensiveIncome" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:periodType="duration" xbrli:balance="credit" />
  <xs:element name="FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilityTransfersFromInvestmentGradeToNoninvestmentGrade" id="ewbc_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilityTransfersFromInvestmentGradeToNoninvestmentGrade" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:periodType="duration" xbrli:balance="credit" />
  <xs:element name="ShortTermInvestmentsFairValueDisclosure" id="ewbc_ShortTermInvestmentsFairValueDisclosure" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:periodType="instant" xbrli:balance="debit" />
  <xs:element name="SecuritiesPurchasedUnderResaleAgreementsFairValueDisclosure" id="ewbc_SecuritiesPurchasedUnderResaleAgreementsFairValueDisclosure" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:periodType="instant" xbrli:balance="debit" />
  <xs:element name="InvestmentInFederalReserveBankStockFairValueDisclosure" id="ewbc_InvestmentInFederalReserveBankStockFairValueDisclosure" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:periodType="instant" xbrli:balance="debit" />
  <xs:element name="AccruedInterestReceivableFairValueDisclosure" id="ewbc_AccruedInterestReceivableFairValueDisclosure" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:periodType="instant" xbrli:balance="debit" />
  <xs:element name="CustomerDepositAccountsAbstract" id="ewbc_CustomerDepositAccountsAbstract" type="xbrli:stringItemType" substitutionGroup="xbrli:item" nillable="true" abstract="true" xbrli:periodType="duration" />
  <xs:element name="DemandSavingsAndMoneyMarketDepositsFairValueDisclosure" id="ewbc_DemandSavingsAndMoneyMarketDepositsFairValueDisclosure" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:periodType="instant" xbrli:balance="credit" />
  <xs:element name="TimeDepositsFairValueDisclosure" id="ewbc_TimeDepositsFairValueDisclosure" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:periodType="instant" xbrli:balance="credit" />
  <xs:element name="AccruedInterestPayableFairValueDisclosure" id="ewbc_AccruedInterestPayableFairValueDisclosure" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:periodType="instant" xbrli:balance="credit" />
  <xs:element name="MinimumNumberOfQuotedMarketPricesUsedInDeterminingFairValueOfAvailableForSaleInvestmentSecurities" id="ewbc_MinimumNumberOfQuotedMarketPricesUsedInDeterminingFairValueOfAvailableForSaleInvestmentSecurities" type="xbrli:integerItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:periodType="instant" />
  <xs:element name="NumberOfTrustPreferredSecuritiesIncludedInLevel3AvailableForSaleSecurities" id="ewbc_NumberOfTrustPreferredSecuritiesIncludedInLevel3AvailableForSaleSecurities" type="xbrli:integerItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:periodType="instant" />
  <xs:element name="PercentageOfTotalAvailableForSaleSecuritiesRepresentedByLevel3AvailableForSaleSecurities" id="ewbc_PercentageOfTotalAvailableForSaleSecuritiesRepresentedByLevel3AvailableForSaleSecurities" type="num:percentItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:periodType="instant" />
  <xs:element name="NumberOfQuotedMarketPricesTraditionallyUsedInDeterminingFairValueOfPrivateLabelMortgageBackedSecuritiesAndPooledTrustPreferredSecurities" id="ewbc_NumberOfQuotedMarketPricesTraditionallyUsedInDeterminingFairValueOfPrivateLabelMortgageBackedSecuritiesAndPooledTrustPreferredSecurities" type="xbrli:integerItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:periodType="instant" />
  <xs:element name="ValuationAdjustmentDueToCounterpartyCreditRisk" id="ewbc_ValuationAdjustmentDueToCounterpartyCreditRisk" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:periodType="duration" />
  <xs:element name="TermOfContract" id="ewbc_TermOfContract" type="us-types:durationStringItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:periodType="instant" />
  <xs:element name="MaximumTermOfMaturityForSecuritiesPurchasedUnderResaleAgreementsToBeIncludedInCashAndCashEquivalents" id="ewbc_MaximumTermOfMaturityForSecuritiesPurchasedUnderResaleAgreementsToBeIncludedInCashAndCashEquivalents" type="us-types:durationStringItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:periodType="instant" />
  <xs:element name="TermOfMaturityThatSecuritiesPurchasedUnderResaleAgreementsMustExceedToBeIncludedInCertainFairValueCalculations" id="ewbc_TermOfMaturityThatSecuritiesPurchasedUnderResaleAgreementsMustExceedToBeIncludedInCertainFairValueCalculations" type="us-types:durationStringItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:periodType="instant" />
  <xs:element name="MaximumTermOfMaturityForCarryingAmountOfSecuritiesSoldUnderRepurchaseAgreementsToApproximateFairValue" id="ewbc_MaximumTermOfMaturityForCarryingAmountOfSecuritiesSoldUnderRepurchaseAgreementsToApproximateFairValue" type="us-types:durationStringItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:periodType="instant" />
  <xs:element name="ReconciliationOfAssetsAndLiabilitiesMeasuredAtFairValueUsingSignificantUnobservableInputsTableTextBlock" id="ewbc_ReconciliationOfAssetsAndLiabilitiesMeasuredAtFairValueUsingSignificantUnobservableInputsTableTextBlock" type="nonnum:textBlockItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:periodType="duration" />
  <xs:element name="StockOptionsAbstract" id="ewbc_StockOptionsAbstract" type="xbrli:stringItemType" substitutionGroup="xbrli:item" nillable="true" abstract="true" xbrli:periodType="duration" />
  <xs:element name="ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardExpirationDatingMinimum" id="ewbc_ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardExpirationDatingMinimum" type="invest:dateStringItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:periodType="duration" />
  <xs:element name="ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardExpirationDatingMaximum" id="ewbc_ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardExpirationDatingMaximum" type="invest:dateStringItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:periodType="duration" />
  <xs:element name="ShareBasedCompensationArrangementByShareBasedPaymentAwardUnvestedOptionsOutstandingRollForwardAbstract" id="ewbc_ShareBasedCompensationArrangementByShareBasedPaymentAwardUnvestedOptionsOutstandingRollForwardAbstract" type="xbrli:stringItemType" substitutionGroup="xbrli:item" nillable="true" abstract="true" xbrli:periodType="duration" />
  <xs:element name="ShareBasedCompensationArrangementByShareBasedPaymentAwardUnvestedOptionsOutstandingNumber" id="ewbc_ShareBasedCompensationArrangementByShareBasedPaymentAwardUnvestedOptionsOutstandingNumber" type="xbrli:sharesItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:periodType="instant" />
  <xs:element name="ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedInPeriod" id="ewbc_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedInPeriod" type="xbrli:sharesItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:periodType="duration" />
  <xs:element name="ShareBasedCompensationArrangementByShareBasedPaymentAwardUnvestedOptionsForfeituresInPeriod" id="ewbc_ShareBasedCompensationArrangementByShareBasedPaymentAwardUnvestedOptionsForfeituresInPeriod" type="xbrli:sharesItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:periodType="duration" />
  <xs:element name="ShareBasedCompensationArrangementByShareBasedPaymentAwardUnvestedOptionsWeightedAverageGrantDateFairValuesAbstract" id="ewbc_ShareBasedCompensationArrangementByShareBasedPaymentAwardUnvestedOptionsWeightedAverageGrantDateFairValuesAbstract" type="xbrli:stringItemType" substitutionGroup="xbrli:item" nillable="true" abstract="true" xbrli:periodType="duration" />
  <xs:element name="ShareBasedCompensationArrangementByShareBasedPaymentAwardUnvestedOptionsWeightedAverageGrantDateFairValue" id="ewbc_ShareBasedCompensationArrangementByShareBasedPaymentAwardUnvestedOptionsWeightedAverageGrantDateFairValue" type="num:perShareItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:periodType="instant" />
  <xs:element name="ShareBasedCompensationArrangementByShareBasedPaymentAwardUnvestedOptionsVestedInPeriodWeightedAverageGrantDateFairValue" id="ewbc_ShareBasedCompensationArrangementByShareBasedPaymentAwardUnvestedOptionsVestedInPeriodWeightedAverageGrantDateFairValue" type="num:perShareItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:periodType="duration" />
  <xs:element name="ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsUnvestedOptionsForfeitedInPeriodWeightedAverageGrantDateFairValue" id="ewbc_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsUnvestedOptionsForfeitedInPeriodWeightedAverageGrantDateFairValue" type="num:perShareItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:periodType="duration" />
  <xs:element name="ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedInPeriodTotalFairValue" id="ewbc_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedInPeriodTotalFairValue" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:periodType="duration" xbrli:balance="debit" />
  <xs:element name="ScheduleOfNonvestedStockOptionActivityTableTextBlock" id="ewbc_ScheduleOfNonvestedStockOptionActivityTableTextBlock" type="nonnum:textBlockItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:periodType="duration" />
  <xs:element name="RestrictedStockAbstract" id="ewbc_RestrictedStockAbstract" type="xbrli:stringItemType" substitutionGroup="xbrli:item" nillable="true" abstract="true" xbrli:periodType="duration" />
  <xs:element name="LoanReceivableCoveredLoansGross" id="ewbc_LoanReceivableCoveredLoansGross" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:periodType="instant" xbrli:balance="debit" />
  <xs:element name="CoveredDiscount" id="ewbc_CoveredDiscount" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:periodType="instant" xbrli:balance="credit" />
  <xs:element name="NetValuationOfLoans" id="ewbc_NetValuationOfLoans" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:periodType="instant" xbrli:balance="debit" />
  <xs:element name="AllowanceForLoanLossesCoveredLoans" id="ewbc_AllowanceForLoanLossesCoveredLoans" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:periodType="instant" xbrli:balance="credit" />
  <xs:element name="LoanReceivableCoveredLoansNet" id="ewbc_LoanReceivableCoveredLoansNet" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:periodType="instant" xbrli:balance="debit" />
  <xs:element name="CoveredNonperformingAssetsAbstract" id="ewbc_CoveredNonperformingAssetsAbstract" type="xbrli:stringItemType" substitutionGroup="xbrli:item" nillable="true" abstract="true" xbrli:periodType="duration" />
  <xs:element name="CoveredNonaccrualLoans" id="ewbc_CoveredNonaccrualLoans" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:periodType="instant" xbrli:balance="debit" />
  <xs:element name="CoveredLoansPastDue90DaysOrMoreButNotOnNonaccrual" id="ewbc_CoveredLoansPastDue90DaysOrMoreButNotOnNonaccrual" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:periodType="instant" xbrli:balance="debit" />
  <xs:element name="TotalNonperformingLoans" id="ewbc_TotalNonperformingLoans" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:periodType="instant" xbrli:balance="debit" />
  <xs:element name="TotalCoveredNonperformingAssets" id="ewbc_TotalCoveredNonperformingAssets" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:periodType="instant" xbrli:balance="debit" />
  <xs:element name="CashReceiptsDisposalsAndChangesInExpectedCashFlows" id="ewbc_CashReceiptsDisposalsAndChangesInExpectedCashFlows" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:periodType="duration" xbrli:balance="credit" />
  <xs:element name="AdditionDueToWfibAcquisition" id="ewbc_AdditionDueToWfibAcquisition" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:periodType="duration" xbrli:balance="debit" />
  <xs:element name="Accretion" id="ewbc_Accretion" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:periodType="duration" xbrli:balance="debit" />
  <xs:element name="Reductions" id="ewbc_Reductions" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:periodType="duration" xbrli:balance="credit" />
  <xs:element name="FdicIndemnificationAssetActivityTableTextBlock" id="ewbc_FdicIndemnificationAssetActivityTableTextBlock" type="nonnum:textBlockItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:periodType="duration" />
  <xs:element name="ChangesInAccretableYieldForCoveredLoansTableTextBlock" id="ewbc_ChangesInAccretableYieldForCoveredLoansTableTextBlock" type="nonnum:textBlockItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:periodType="duration" />
  <xs:element name="CoveredNonperformingAssetsTableTextBlock" id="ewbc_CoveredNonperformingAssetsTableTextBlock" type="nonnum:textBlockItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:periodType="duration" />
  <xs:element name="CoveredNonperformingAssetsByCreditQualityIndicatorsTableTextBlock" id="ewbc_CoveredNonperformingAssetsByCreditQualityIndicatorsTableTextBlock" type="nonnum:textBlockItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:periodType="duration" />
  <xs:element name="CarryingAmountsAndCompositionOfCoveredLoansTableTextBlock" id="ewbc_CarryingAmountsAndCompositionOfCoveredLoansTableTextBlock" type="nonnum:textBlockItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:periodType="duration" />
  <xs:element name="PercentageOfLoansOriginatedByAcquireeCoveredBySharedLossAgreements" id="ewbc_PercentageOfLoansOriginatedByAcquireeCoveredBySharedLossAgreements" type="num:percentItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:periodType="instant" />
  <xs:element name="PercentageOfEligibleLossesForWhichFdicIsObligatedToReimburse" id="ewbc_PercentageOfEligibleLossesForWhichFdicIsObligatedToReimburse" type="num:percentItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:periodType="instant" />
  <xs:element name="MinimumPercentageObligationToReimburseFdicForEligibleRecoveriesRelatedToCoveredAssets" id="ewbc_MinimumPercentageObligationToReimburseFdicForEligibleRecoveriesRelatedToCoveredAssets" type="num:percentItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:periodType="instant" />
  <xs:element name="AmountOfEligibleLossesOverWhichFdicIsObligatedToReimburseHigherPercentage" id="ewbc_AmountOfEligibleLossesOverWhichFdicIsObligatedToReimburseHigherPercentage" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:periodType="instant" xbrli:balance="debit" />
  <xs:element name="MaximumPercentageObligationToReimburseFdicForEligibleRecoveriesRelatedToCoveredAssets" id="ewbc_MaximumPercentageObligationToReimburseFdicForEligibleRecoveriesRelatedToCoveredAssets" type="num:percentItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:periodType="instant" />
  <xs:element name="NumberOfDaysFollowingAnniversary" id="ewbc_NumberOfDaysFollowingAnniversary" type="us-types:durationStringItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:periodType="instant" />
  <xs:element name="TermOfCommercialLoanSharedLossAgreement" id="ewbc_TermOfCommercialLoanSharedLossAgreement" type="us-types:durationStringItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:periodType="instant" />
  <xs:element name="TermOfSingleFamilyResidentialMortgageLoanSharedLossAgreement" id="ewbc_TermOfSingleFamilyResidentialMortgageLoanSharedLossAgreement" type="us-types:durationStringItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:periodType="instant" />
  <xs:element name="TermOfLossRecoveryProvisionsForCommercialLoans" id="ewbc_TermOfLossRecoveryProvisionsForCommercialLoans" type="us-types:durationStringItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:periodType="instant" />
  <xs:element name="TermOfLossRecoveryProvisionsForSingleFamilyResidentialMortgageLoans" id="ewbc_TermOfLossRecoveryProvisionsForSingleFamilyResidentialMortgageLoans" type="us-types:durationStringItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:periodType="instant" />
  <xs:element name="PercentageOfExcess" id="ewbc_PercentageOfExcess" type="num:percentItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:periodType="instant" />
  <xs:element name="PercentageOfIntrinsicLossEstimate" id="ewbc_PercentageOfIntrinsicLossEstimate" type="num:percentItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:periodType="instant" />
  <xs:element name="PercentageOfAssetDiscount" id="ewbc_PercentageOfAssetDiscount" type="num:percentItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:periodType="instant" />
  <xs:element name="PercentageOfCumulativeSharedLossPayments" id="ewbc_PercentageOfCumulativeSharedLossPayments" type="num:percentItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:periodType="instant" />
  <xs:element name="EstimatedLiabilityThatWillBeDueToFdicForSpecificThresholdsOfLossesNotBeingReached" id="ewbc_EstimatedLiabilityThatWillBeDueToFdicForSpecificThresholdsOfLossesNotBeingReached" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:periodType="instant" xbrli:balance="credit" />
  <xs:element name="CreditQualityIndicatorsAbstract" id="ewbc_CreditQualityIndicatorsAbstract" type="xbrli:stringItemType" substitutionGroup="xbrli:item" nillable="true" abstract="true" xbrli:periodType="duration" />
  <xs:element name="AdditionalAdvancesUnderSharedLossAgreements" id="ewbc_AdditionalAdvancesUnderSharedLossAgreements" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:periodType="instant" xbrli:balance="debit" />
  <xs:element name="VtotalAllowanceAllocatedToAdditionalAdvances" id="ewbc_VtotalAllowanceAllocatedToAdditionalAdvances" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:periodType="instant" xbrli:balance="credit" />
  <xs:element name="PercentageOfAllowanceAllocatedToAdditionalAdvances" id="ewbc_PercentageOfAllowanceAllocatedToAdditionalAdvances" type="num:percentItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:periodType="instant" />
  <xs:element name="NumberOfCoveredOreoProperties" id="ewbc_NumberOfCoveredOreoProperties" type="xbrli:integerItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:periodType="instant" />
  <xs:element name="PercentageOfCoveredOreoPropertiesLocatedInCalifornia" id="ewbc_PercentageOfCoveredOreoPropertiesLocatedInCalifornia" type="num:percentItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:periodType="instant" />
  <xs:element name="PercentageOfCoveredOreoPropertiesLocatedInWashington" id="ewbc_PercentageOfCoveredOreoPropertiesLocatedInWashington" type="num:percentItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:periodType="instant" />
  <xs:element name="NumberOfCoveredOreoPropertiesAdded" id="ewbc_NumberOfCoveredOreoPropertiesAdded" type="xbrli:integerItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:periodType="duration" />
  <xs:element name="AggregateCarryingValueOfCoveredOreoPropertiesAdded" id="ewbc_AggregateCarryingValueOfCoveredOreoPropertiesAdded" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:periodType="duration" xbrli:balance="debit" />
  <xs:element name="AmountOfNetWritedownsIncludedInAggregateCarryingValue" id="ewbc_AmountOfNetWritedownsIncludedInAggregateCarryingValue" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:periodType="duration" xbrli:balance="credit" />
  <xs:element name="NumberOfCoveredOreoPropertiesSold" id="ewbc_NumberOfCoveredOreoPropertiesSold" type="xbrli:integerItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:periodType="duration" />
  <xs:element name="TotalCarryingValueOfCoveredOreoPropertiesSold" id="ewbc_TotalCarryingValueOfCoveredOreoPropertiesSold" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:periodType="duration" xbrli:balance="debit" />
  <xs:element name="CombinedNetGainsLossesOnCoveredOreoPropertiesSold" id="ewbc_CombinedNetGainsLossesOnCoveredOreoPropertiesSold" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:periodType="duration" xbrli:balance="credit" />
  <xs:element name="ChargeoffsRecoverable" id="ewbc_ChargeoffsRecoverable" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:periodType="duration" xbrli:balance="credit" />
  <xs:element name="FdicLossSharingReceivable" id="ewbc_FdicLossSharingReceivable" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:periodType="instant" xbrli:balance="debit" />
  <xs:element name="PercentageOfAnyReimbursableExpenseRecordedAsNoninterestIncome" id="ewbc_PercentageOfAnyReimbursableExpenseRecordedAsNoninterestIncome" type="num:percentItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:periodType="instant" />
  <xs:element name="PercentageOfActualExpensePaid" id="ewbc_PercentageOfActualExpensePaid" type="num:percentItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:periodType="instant" />
  <xs:element name="PercentageOfLoanRelatedAndOreoExpensesRecordedAsNonInterestExpense" id="ewbc_PercentageOfLoanRelatedAndOreoExpensesRecordedAsNonInterestExpense" type="num:percentItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:periodType="instant" />
  <xs:element name="FdicReceivableAbstract" id="ewbc_FdicReceivableAbstract" type="xbrli:stringItemType" substitutionGroup="xbrli:item" nillable="true" abstract="true" xbrli:periodType="duration" />
  <xs:element name="TotalInvestmentSecuritiesAvailableForSalePortfolio" id="ewbc_TotalInvestmentSecuritiesAvailableForSalePortfolio" type="num:percentItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:periodType="instant" />
  <xs:element name="NumberOfSecuritiesInContinuousUnrealizedLossPositionForMoreThanTwelveMonths" id="ewbc_NumberOfSecuritiesInContinuousUnrealizedLossPositionForMoreThanTwelveMonths" type="xbrli:integerItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:periodType="instant" />
  <xs:element name="FairValueOfTrustPreferredSecurities" id="ewbc_FairValueOfTrustPreferredSecurities" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:periodType="instant" xbrli:balance="debit" />
  <xs:element name="FairValueOfCorporateDebtSecurities" id="ewbc_FairValueOfCorporateDebtSecurities" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:periodType="instant" xbrli:balance="debit" />
  <xs:element name="NumberOfIndividualSecuritiesWithContinuousUnrealizedLossPosition" id="ewbc_NumberOfIndividualSecuritiesWithContinuousUnrealizedLossPosition" type="xbrli:integerItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:periodType="instant" />
  <xs:element name="TrustPreferredSecuritiesAsPercentageOfTotalInvestmentSecuritiesAvailableForSalePortfolio" id="ewbc_TrustPreferredSecuritiesAsPercentageOfTotalInvestmentSecuritiesAvailableForSalePortfolio" type="num:percentItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:periodType="instant" />
  <xs:element name="PercentageOfTotalAmortizedCostBasisOfTheseSecurities" id="ewbc_PercentageOfTotalAmortizedCostBasisOfTheseSecurities" type="num:percentItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:periodType="instant" />
  <xs:element name="GrossUnrealizedLossesTrustPreferredSecuritiesPortionRepresentingImpairmentLossOnSecuritiesNotOtherThanTemporarilyImpaired" id="ewbc_GrossUnrealizedLossesTrustPreferredSecuritiesPortionRepresentingImpairmentLossOnSecuritiesNotOtherThanTemporarilyImpaired" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:periodType="instant" xbrli:balance="debit" />
  <xs:element name="AvailableForSaleSecuritiesDebtMaturitiesFairValueTotal" id="ewbc_AvailableForSaleSecuritiesDebtMaturitiesFairValueTotal" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:periodType="instant" xbrli:balance="debit" />
  <xs:element name="NetReductionToInterestExpenseRelatedToNetSettlementsOfDerivatives" id="ewbc_NetReductionToInterestExpenseRelatedToNetSettlementsOfDerivatives" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:periodType="duration" xbrli:balance="credit" />
  <xs:element name="ScheduleOfLoansReceivableExcludingCoveredLoansTableTextBlock" id="ewbc_ScheduleOfLoansReceivableExcludingCoveredLoansTableTextBlock" type="nonnum:textBlockItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:periodType="duration" />
  <xs:element name="NoncoveredLoansReceivableGross" id="ewbc_NoncoveredLoansReceivableGross" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:periodType="instant" xbrli:balance="debit" />
  <xs:element name="NoncoveredLoansReceivableNet" id="ewbc_NoncoveredLoansReceivableNet" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:periodType="instant" xbrli:balance="debit" />
  <xs:element name="AccruedInterestOnLoansReceivable" id="ewbc_AccruedInterestOnLoansReceivable" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:periodType="instant" xbrli:balance="debit" />
  <xs:element name="NumberOfUnitsOfWhichResidentialPropertySecuringFixedAndAdjustableRateFirstMortgageLoansConsistMinimum" id="ewbc_NumberOfUnitsOfWhichResidentialPropertySecuringFixedAndAdjustableRateFirstMortgageLoansConsistMinimum" type="xbrli:integerItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:periodType="instant" />
  <xs:element name="NumberOfUnitsOfWhichResidentialPropertySecuringFixedAndAdjustableRateFirstMortgageLoansConsistMaximum" id="ewbc_NumberOfUnitsOfWhichResidentialPropertySecuringFixedAndAdjustableRateFirstMortgageLoansConsistMaximum" type="xbrli:integerItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:periodType="instant" />
  <xs:element name="FirstMortgageLoansOnSingleFamilyRealEstateNewMortgageLoans" id="ewbc_FirstMortgageLoansOnSingleFamilyRealEstateNewMortgageLoans" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:periodType="duration" xbrli:balance="debit" />
  <xs:element name="FirstMortgageLoansOnMultifamilyRealEstateNewMortgageLoans" id="ewbc_FirstMortgageLoansOnMultifamilyRealEstateNewMortgageLoans" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:periodType="duration" xbrli:balance="debit" />
  <xs:element name="AdjustableRateMortgageInitialInterestRatePeriodMinimum" id="ewbc_AdjustableRateMortgageInitialInterestRatePeriodMinimum" type="us-types:durationStringItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:periodType="duration" />
  <xs:element name="AdjustableRateMortgageInitialInterestRatePeriodMidrange" id="ewbc_AdjustableRateMortgageInitialInterestRatePeriodMidrange" type="us-types:durationStringItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:periodType="duration" />
  <xs:element name="AdjustableRateMortgageInitialInterestRatePeriodMaximum" id="ewbc_AdjustableRateMortgageInitialInterestRatePeriodMaximum" type="us-types:durationStringItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:periodType="duration" />
  <xs:element name="SingleFamilyMortgageLoansWithInterestOnlyFeatures" id="ewbc_SingleFamilyMortgageLoansWithInterestOnlyFeatures" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:periodType="instant" xbrli:balance="debit" />
  <xs:element name="RatioOfSingleFamilyMortgageLoansWithInterestOnlyFeaturesToTotalSingleFamilyLoans" id="ewbc_RatioOfSingleFamilyMortgageLoansWithInterestOnlyFeaturesToTotalSingleFamilyLoans" type="num:percentItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:periodType="instant" />
  <xs:element name="AcquiredResidentialMortgageLoansWithVariablePaymentOptionFeatures" id="ewbc_AcquiredResidentialMortgageLoansWithVariablePaymentOptionFeatures" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:periodType="instant" xbrli:balance="debit" />
  <xs:element name="RatioOfResidentialMortgageLoansWithVariablePaymentOptionFeaturesToTotalResidentialMortgageLoans" id="ewbc_RatioOfResidentialMortgageLoansWithVariablePaymentOptionFeaturesToTotalResidentialMortgageLoans" type="num:percentItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:periodType="instant" />
  <xs:element name="PercentageOfNoncoveredLoansSecuredWithRealPropertiesInCalifornia" id="ewbc_PercentageOfNoncoveredLoansSecuredWithRealPropertiesInCalifornia" type="num:percentItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:periodType="instant" />
  <xs:element name="CreditRiskAndConcentrationsAbstract" id="ewbc_CreditRiskAndConcentrationsAbstract" type="xbrli:stringItemType" substitutionGroup="xbrli:item" nillable="true" abstract="true" xbrli:periodType="duration" />
  <xs:element name="LoansAcquiredDuringPeriod" id="ewbc_LoansAcquiredDuringPeriod" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:periodType="duration" xbrli:balance="debit" />
  <xs:element name="CarryingAmountOfStudentLoansAcquired" id="ewbc_CarryingAmountOfStudentLoansAcquired" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:periodType="duration" xbrli:balance="debit" />
  <xs:element name="PurchasedLoansAbstract" id="ewbc_PurchasedLoansAbstract" type="xbrli:stringItemType" substitutionGroup="xbrli:item" nillable="true" abstract="true" xbrli:periodType="duration" />
  <xs:element name="PercentageOfLoansHeldForSaleStudentLoans" id="ewbc_PercentageOfLoansHeldForSaleStudentLoans" type="num:percentItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:periodType="instant" />
  <xs:element name="NetGainOrLossOnSaleOfLoansHeldForSale" id="ewbc_NetGainOrLossOnSaleOfLoansHeldForSale" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:periodType="duration" xbrli:balance="credit" />
  <xs:element name="NumberOfGradesRiskRatingSystem" id="ewbc_NumberOfGradesRiskRatingSystem" type="xbrli:integerItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:periodType="instant" />
  <xs:element name="MaximumTermLoanGradedSpecialMention" id="ewbc_MaximumTermLoanGradedSpecialMention" type="us-types:durationStringItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:periodType="instant" />
  <xs:element name="DecreaseInNonCoveredLoansGradedSubstandardAndDoubtful" id="ewbc_DecreaseInNonCoveredLoansGradedSubstandardAndDoubtful" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:periodType="instant" xbrli:balance="debit" />
  <xs:element name="PercentageDecreaseInNonCoveredLoansGradedSubstandardAndDoubtful" id="ewbc_PercentageDecreaseInNonCoveredLoansGradedSubstandardAndDoubtful" type="num:percentItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:periodType="instant" />
  <xs:element name="FinancingReceivableRecordedInvestmentPastDueAndStillAccruing" id="ewbc_FinancingReceivableRecordedInvestmentPastDueAndStillAccruing" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:periodType="instant" xbrli:balance="debit" />
  <xs:element name="FinancingReceivableRecordedInvestmentLessThan90DaysPastDueAndNotAccruing" id="ewbc_FinancingReceivableRecordedInvestmentLessThan90DaysPastDueAndNotAccruing" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:periodType="instant" xbrli:balance="debit" />
  <xs:element name="FinancingReceivableRecordedInvestment90DaysOrMorePastDueAndNotAccruing" id="ewbc_FinancingReceivableRecordedInvestment90DaysOrMorePastDueAndNotAccruing" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:periodType="instant" xbrli:balance="debit" />
  <xs:element name="FinancingReceivableRecordedInvestmentNonCoveredLoansAndLoansHeldForSaleGross" id="ewbc_FinancingReceivableRecordedInvestmentNonCoveredLoansAndLoansHeldForSaleGross" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:periodType="instant" xbrli:balance="debit" />
  <xs:element name="FinancingReceivableRecordedInvestmentNonCoveredLoansAndLoansHeldForSaleTotal" id="ewbc_FinancingReceivableRecordedInvestmentNonCoveredLoansAndLoansHeldForSaleTotal" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:periodType="instant" xbrli:balance="debit" />
  <xs:element name="NumberOfDaysPastDueBeforeLoanIsPlacedOnNonaccrualStatus" id="ewbc_NumberOfDaysPastDueBeforeLoanIsPlacedOnNonaccrualStatus" type="us-types:durationStringItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:periodType="duration" />
  <xs:element name="LoansReceivableImpairedInterestOnNonaccrualLoans" id="ewbc_LoansReceivableImpairedInterestOnNonaccrualLoans" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:periodType="duration" xbrli:balance="credit" />
  <xs:element name="LoansReceivableImpairedInterestRecognizedOnNonaccrualLoans" id="ewbc_LoansReceivableImpairedInterestRecognizedOnNonaccrualLoans" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:periodType="duration" xbrli:balance="credit" />
  <xs:element name="InterestIncomeForgoneOnNonaccrualLoansAbstract" id="ewbc_InterestIncomeForgoneOnNonaccrualLoansAbstract" type="xbrli:stringItemType" substitutionGroup="xbrli:item" nillable="true" abstract="true" xbrli:periodType="duration" />
  <xs:element name="SummaryOfInterestIncomeForegoneOnNonaccrualLoansTableTextBlock" id="ewbc_SummaryOfInterestIncomeForegoneOnNonaccrualLoansTableTextBlock" type="nonnum:textBlockItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:periodType="duration" />
  <xs:element name="RestructuredLoansAbstract" id="ewbc_RestructuredLoansAbstract" type="xbrli:stringItemType" substitutionGroup="xbrli:item" nillable="true" abstract="true" xbrli:periodType="duration" />
  <xs:element name="CoveredLoansAbstract" id="ewbc_CoveredLoansAbstract" type="xbrli:stringItemType" substitutionGroup="xbrli:item" nillable="true" abstract="true" xbrli:periodType="duration" />
  <xs:element name="PercentageOfAllowanceForLoanLossesAllocatedToCoveredLoans" id="ewbc_PercentageOfAllowanceForLoanLossesAllocatedToCoveredLoans" type="num:percentItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:periodType="instant" />
  <xs:element name="FinancingReceivableAllowanceForCreditLossesAllowanceForUnfundedLoanCommitmentsAndLettersOfCredit" id="ewbc_FinancingReceivableAllowanceForCreditLossesAllowanceForUnfundedLoanCommitmentsAndLettersOfCredit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:periodType="duration" xbrli:balance="credit" />
  <xs:element name="LoansReceivableByPortfolioSegmentByImpairmentMethodologyTableTextBlock" id="ewbc_LoansReceivableByPortfolioSegmentByImpairmentMethodologyTableTextBlock" type="nonnum:textBlockItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:periodType="duration" />
  <xs:element name="RecordedInvestmentInTotalLoansReceivableRelatedToEachBalanceInAllowanceForLoanLossesAbstract" id="ewbc_RecordedInvestmentInTotalLoansReceivableRelatedToEachBalanceInAllowanceForLoanLossesAbstract" type="xbrli:stringItemType" substitutionGroup="xbrli:item" nillable="true" abstract="true" xbrli:periodType="duration" />
  <xs:element name="AllowanceForUnfundedLoanCommitmentsOffBalanceSheetCreditExposuresAndRecourseProvisionsAbstract" id="ewbc_AllowanceForUnfundedLoanCommitmentsOffBalanceSheetCreditExposuresAndRecourseProvisionsAbstract" type="xbrli:stringItemType" substitutionGroup="xbrli:item" nillable="true" abstract="true" xbrli:periodType="duration" />
  <xs:element name="AllowanceForUnfundedLoanCommitmentsOffbalanceSheetCreditExposuresAndRecourseProvisions" id="ewbc_AllowanceForUnfundedLoanCommitmentsOffbalanceSheetCreditExposuresAndRecourseProvisions" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:periodType="instant" xbrli:balance="credit" />
  <xs:element name="PortionOfAllowanceForUnfundedLoanCommitmentsOffBalanceSheetCreditExposuresAndRecourseProvisionsRelatedToOffBalanceSheetLoansServicedForOthers" id="ewbc_PortionOfAllowanceForUnfundedLoanCommitmentsOffBalanceSheetCreditExposuresAndRecourseProvisionsRelatedToOffBalanceSheetLoansServicedForOthers" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:periodType="instant" xbrli:balance="credit" />
  <xs:element name="ChargeForFundsUsed" id="ewbc_ChargeForFundsUsed" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:periodType="duration" xbrli:balance="debit" />
  <xs:element name="InterestSpreadOnFundsUsed" id="ewbc_InterestSpreadOnFundsUsed" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:periodType="duration" xbrli:balance="credit" />
  <xs:element name="CreditOnFundsProvided" id="ewbc_CreditOnFundsProvided" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:periodType="duration" xbrli:balance="credit" />
  <xs:element name="InterestSpreadOnFundsProvided" id="ewbc_InterestSpreadOnFundsProvided" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:periodType="duration" xbrli:balance="credit" />
  <xs:element name="DividendPayoutAbstract" id="ewbc_DividendPayoutAbstract" type="xbrli:stringItemType" substitutionGroup="xbrli:item" nillable="true" abstract="true" xbrli:periodType="duration" />
  <xs:element name="DividendsPayableDateDeclared" id="ewbc_DividendsPayableDateDeclared" type="invest:dateStringItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:periodType="instant" />
  <xs:element name="DividendsPayableDateToBePaid" id="ewbc_DividendsPayableDateToBePaid" type="invest:dateStringItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:periodType="instant" />
  <xs:element name="DividendsPayableDateOfRecord" id="ewbc_DividendsPayableDateOfRecord" type="invest:dateStringItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:periodType="instant" />
  <xs:element name="NumberOfSharesOfCommonStockIssuedUponConversionOfConvertiblePreferredStockInShares" id="ewbc_NumberOfSharesOfCommonStockIssuedUponConversionOfConvertiblePreferredStockInShares" type="xbrli:sharesItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:periodType="instant" />
  <xs:element name="AllocatedFairValueOfWarrants" id="ewbc_AllocatedFairValueOfWarrants" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:periodType="instant" xbrli:balance="debit" />
  <xs:element name="ConvertiblePreferredStockConversionPricePremiumPerShareOfCommonStockBasedOnClosingPriceOfCommonStock" id="ewbc_ConvertiblePreferredStockConversionPricePremiumPerShareOfCommonStockBasedOnClosingPriceOfCommonStock" type="num:perShareItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:periodType="instant" />
  <xs:element name="ConversionPremiumPercentage" id="ewbc_ConversionPremiumPercentage" type="num:percentItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:periodType="instant" />
  <xs:element name="ClosingPriceOfCommonStockAtIssuanceOfConvertiblePreferredStock" id="ewbc_ClosingPriceOfCommonStockAtIssuanceOfConvertiblePreferredStock" type="num:perShareItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:periodType="instant" />
  <xs:element name="NumberOfSharesOfConvertiblePreferredStockConvertedToCommonSharesInPrivatePlacement" id="ewbc_NumberOfSharesOfConvertiblePreferredStockConvertedToCommonSharesInPrivatePlacement" type="xbrli:sharesItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:periodType="instant" />
  <xs:element name="NumberOfSharesOfCommonStockIssuedInPrivatePlacement" id="ewbc_NumberOfSharesOfCommonStockIssuedInPrivatePlacement" type="xbrli:sharesItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:periodType="instant" />
  <xs:element name="PreferredStockToCommonStockConversionPrice" id="ewbc_PreferredStockToCommonStockConversionPrice" type="num:perShareItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:periodType="instant" />
  <xs:element name="WarrantsRepurchased" id="ewbc_WarrantsRepurchased" type="xbrli:sharesItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:periodType="instant" />
  <xs:element name="IncrementalCommonSharesAttributableToShareBasedPaymentArrangementsStockOptions" id="ewbc_IncrementalCommonSharesAttributableToShareBasedPaymentArrangementsStockOptions" type="xbrli:sharesItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:periodType="duration" />
  <xs:element name="IncrementalCommonSharesAttributableToShareBasedPaymentArrangementsRestrictedStock" id="ewbc_IncrementalCommonSharesAttributableToShareBasedPaymentArrangementsRestrictedStock" type="xbrli:sharesItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:periodType="duration" />
  <xs:element name="AmountOfDilutiveSecuritiesStockOptions" id="ewbc_AmountOfDilutiveSecuritiesStockOptions" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:periodType="duration" xbrli:balance="credit" />
  <xs:element name="MarketCapitalization" id="ewbc_MarketCapitalization" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:periodType="instant" xbrli:balance="credit" />
  <xs:element name="PremiumsOnAcquiredDepositsAbstract" id="ewbc_PremiumsOnAcquiredDepositsAbstract" type="xbrli:stringItemType" substitutionGroup="xbrli:item" nillable="true" abstract="true" xbrli:periodType="duration" />
  <xs:element name="PremiumsOnDepositsAcquiredAcquisition" id="ewbc_PremiumsOnDepositsAcquiredAcquisition" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:periodType="instant" xbrli:balance="debit" />
  <xs:element name="PrincipalAmountOutstandingOnLoansSoldOrSecuritized" id="ewbc_PrincipalAmountOutstandingOnLoansSoldOrSecuritized" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:periodType="instant" xbrli:balance="credit" />
  <xs:element name="PercentageLimitOfRecourseOnLoans" id="ewbc_PercentageLimitOfRecourseOnLoans" type="num:percentItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:periodType="instant" />
  <xs:element name="RecourseReserveRelatedToLoanSalesAndSecuritizations" id="ewbc_RecourseReserveRelatedToLoanSalesAndSecuritizations" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:periodType="instant" xbrli:balance="credit" />
  <xs:element name="ConversionOfSeriesPreferredStockIntoCommonStock" id="ewbc_ConversionOfSeriesPreferredStockIntoCommonStock" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:periodType="duration" xbrli:balance="credit" />
  <xs:element name="StockIssuedDuringPeriodValueDirectorRetainerFee" id="ewbc_StockIssuedDuringPeriodValueDirectorRetainerFee" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:periodType="duration" xbrli:balance="credit" />
  <xs:element name="StockIssuedDuringPeriodValueSharesDirectorRetainerFee" id="ewbc_StockIssuedDuringPeriodValueSharesDirectorRetainerFee" type="xbrli:sharesItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:periodType="duration" />
  <xs:element name="OtherAssetInvestmentsChangeInNetUnrealizedHoldingGainLossNetOfTax" id="ewbc_OtherAssetInvestmentsChangeInNetUnrealizedHoldingGainLossNetOfTax" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:periodType="duration" xbrli:balance="credit" />
  <xs:element name="OtherAssetInvestmentsIncomeTaxExpenseOnChangeInUnrealizedHoldingGainLoss" id="ewbc_OtherAssetInvestmentsIncomeTaxExpenseOnChangeInUnrealizedHoldingGainLoss" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:periodType="duration" xbrli:balance="debit" />
  <xs:element name="StockIssuedDuringPeriodSharesDirectorRetainerFee" id="ewbc_StockIssuedDuringPeriodSharesDirectorRetainerFee" type="xbrli:sharesItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:periodType="duration" />
  <xs:element name="PrepaymentPenaltyForFhlbAdvancesAndOtherBorrowings" id="ewbc_PrepaymentPenaltyForFhlbAdvancesAndOtherBorrowings" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:periodType="duration" xbrli:balance="debit" />
  <xs:element name="LettersOfCreditFeesAndForeignExchangeIncome" id="ewbc_LettersOfCreditFeesAndForeignExchangeIncome" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:periodType="duration" xbrli:balance="credit" />
  <xs:element name="FederalFundsSoldFairValueDisclosure" id="ewbc_FederalFundsSoldFairValueDisclosure" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:periodType="instant" xbrli:balance="debit" />
  <xs:element name="TroubledDebtRestructuringsThatSubsequentlyDefaultedTableTextBlock" id="ewbc_TroubledDebtRestructuringsThatSubsequentlyDefaultedTableTextBlock" type="nonnum:textBlockItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:periodType="duration" />
  <xs:element name="NumberOfContractsSubsequentlyDefaulted" id="ewbc_NumberOfContractsSubsequentlyDefaulted" type="xbrli:integerItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:periodType="duration" />
  <xs:element name="NumberOfContracts" id="ewbc_NumberOfContracts" type="xbrli:integerItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:periodType="duration" />
  <xs:element name="PreModificationOutstandingRecordedInvestment" id="ewbc_PreModificationOutstandingRecordedInvestment" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:periodType="duration" xbrli:balance="debit" />
  <xs:element name="PostModificationOutstandingRecordedInvestment" id="ewbc_PostModificationOutstandingRecordedInvestment" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:periodType="duration" xbrli:balance="debit" />
  <xs:element name="RecordedInvestment" id="ewbc_RecordedInvestment" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:periodType="duration" xbrli:balance="debit" />
  <xs:element name="LoansModifiedAsTdrsAbstract" id="ewbc_LoansModifiedAsTdrsAbstract" type="xbrli:stringItemType" substitutionGroup="xbrli:item" nillable="true" abstract="true" xbrli:periodType="duration" />
  <xs:element name="ModifiedTroubledDebtRestructuringLoans" id="ewbc_ModifiedTroubledDebtRestructuringLoans" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:periodType="instant" xbrli:balance="debit" />
  <xs:element name="TdrThatBecomesDelinquent" id="ewbc_TdrThatBecomesDelinquent" type="us-types:durationStringItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:periodType="duration" />
  <xs:element name="SharesDenominatorAbstract" id="ewbc_SharesDenominatorAbstract" type="xbrli:stringItemType" substitutionGroup="xbrli:item" nillable="true" abstract="true" xbrli:periodType="duration" />
  <xs:element name="AmountOfDilutiveSecuritiesRestrictiveStockUnits" id="ewbc_AmountOfDilutiveSecuritiesRestrictiveStockUnits" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:periodType="duration" xbrli:balance="credit" />
  <xs:element name="NumberOfOperatingSegments" id="ewbc_NumberOfOperatingSegments" type="xbrli:integerItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:periodType="instant" />
  <xs:element name="NumberOfCoreSegmentsSupportedByCentralizedFunctions" id="ewbc_NumberOfCoreSegmentsSupportedByCentralizedFunctions" type="xbrli:integerItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:periodType="instant" />
  <xs:element name="PercentageOfEligibleLossesInExcessOfCertainAmountForWhichFdicIsObligatedToReimburse" id="ewbc_PercentageOfEligibleLossesInExcessOfCertainAmountForWhichFdicIsObligatedToReimburse" type="num:percentItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:periodType="instant" />
  <xs:element name="EstimateOfFdicRepayment" id="ewbc_EstimateOfFdicRepayment" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:periodType="duration" xbrli:balance="debit" />
  <xs:element name="ProceedsFromPaydownMaturitiesAndTerminationOfSecuritiesPurchasedUnderResaleAgreements" id="ewbc_ProceedsFromPaydownMaturitiesAndTerminationOfSecuritiesPurchasedUnderResaleAgreements" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:periodType="duration" xbrli:balance="debit" />
  <xs:element name="FdicIndemnificationAssetActivitiesRollForward" id="ewbc_FdicIndemnificationAssetActivitiesRollForward" type="xbrli:stringItemType" substitutionGroup="xbrli:item" nillable="true" abstract="true" xbrli:periodType="duration" />
  <xs:element name="TotalGainsLossesMember" id="ewbc_TotalGainsLossesMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" nillable="true" abstract="true" xbrli:periodType="duration" />
  <xs:element name="InvestmentGradeMember" id="ewbc_InvestmentGradeMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" nillable="true" abstract="true" xbrli:periodType="duration" />
  <xs:element name="NonInvestmentGradeMember" id="ewbc_NonInvestmentGradeMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" nillable="true" abstract="true" xbrli:periodType="duration" />
  <xs:element name="CreditRatingAxis" id="ewbc_CreditRatingAxis" type="xbrli:stringItemType" substitutionGroup="xbrldt:dimensionItem" nillable="true" abstract="true" xbrli:periodType="duration" />
  <xs:element name="CommercialMortgageBackedSecuritiesIssuedByUsGovernmentAgenciesAndGovernmentSponsoredEnterpriseMember" id="ewbc_CommercialMortgageBackedSecuritiesIssuedByUsGovernmentAgenciesAndGovernmentSponsoredEnterpriseMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" nillable="true" abstract="true" xbrli:periodType="duration" />
  <xs:element name="ResidentialMortgageBackedSecuritiesIssuedByUsGovernmentAgenciesAndGovernmentSponsoredEnterpriseMember" id="ewbc_ResidentialMortgageBackedSecuritiesIssuedByUsGovernmentAgenciesAndGovernmentSponsoredEnterpriseMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" nillable="true" abstract="true" xbrli:periodType="duration" />
  <xs:element name="OtherSecuritiesMember" id="ewbc_OtherSecuritiesMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" nillable="true" abstract="true" xbrli:periodType="duration" />
  <xs:element name="TrustPreferredSecurtiesMember" id="ewbc_TrustPreferredSecurtiesMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" nillable="true" abstract="true" xbrli:periodType="duration" />
  <xs:element name="ReceiveFixedPayVariableInterestRateSwapsMember" id="ewbc_ReceiveFixedPayVariableInterestRateSwapsMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" nillable="true" abstract="true" xbrli:periodType="duration" />
  <xs:element name="ShortTermForeignExchangeMember" id="ewbc_ShortTermForeignExchangeMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" nillable="true" abstract="true" xbrli:periodType="duration" />
  <xs:element name="NoninterestIncomeMember" id="ewbc_NoninterestIncomeMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" nillable="true" abstract="true" xbrli:periodType="duration" />
  <xs:element name="RealEstateLoansMember" id="ewbc_RealEstateLoansMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" nillable="true" abstract="true" xbrli:periodType="duration" />
  <xs:element name="OtherThanRealEstateLoansMember" id="ewbc_OtherThanRealEstateLoansMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" nillable="true" abstract="true" xbrli:periodType="duration" />
  <xs:element name="ResidentialSingleFamilyMember" id="ewbc_ResidentialSingleFamilyMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" nillable="true" abstract="true" xbrli:periodType="duration" />
  <xs:element name="ResidentialMultifamilyMember" id="ewbc_ResidentialMultifamilyMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" nillable="true" abstract="true" xbrli:periodType="duration" />
  <xs:element name="CommercialAndIndustrialRealEstateMember" id="ewbc_CommercialAndIndustrialRealEstateMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" nillable="true" abstract="true" xbrli:periodType="duration" />
  <xs:element name="ConstructionAndLandMember" id="ewbc_ConstructionAndLandMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" nillable="true" abstract="true" xbrli:periodType="duration" />
  <xs:element name="CommercialBusinessMember" id="ewbc_CommercialBusinessMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" nillable="true" abstract="true" xbrli:periodType="duration" />
  <xs:element name="CarryingAmountsAndCompositionOfCoveredLoansTable" id="ewbc_CarryingAmountsAndCompositionOfCoveredLoansTable" type="xbrli:stringItemType" substitutionGroup="xbrldt:hypercubeItem" nillable="true" abstract="true" xbrli:periodType="duration" />
  <xs:element name="CoveredLoansByLoanProductCategoryAxis" id="ewbc_CoveredLoansByLoanProductCategoryAxis" type="xbrli:stringItemType" substitutionGroup="xbrldt:dimensionItem" nillable="true" abstract="true" xbrli:periodType="duration" />
  <xs:element name="CoveredLoansByLoanProductCategoryDomain" id="ewbc_CoveredLoansByLoanProductCategoryDomain" type="nonnum:domainItemType" substitutionGroup="xbrli:item" nillable="true" abstract="true" xbrli:periodType="duration" />
  <xs:element name="CoveredLoansByClassOfFinancingReceivableAxis" id="ewbc_CoveredLoansByClassOfFinancingReceivableAxis" type="xbrli:stringItemType" substitutionGroup="xbrldt:dimensionItem" nillable="true" abstract="true" xbrli:periodType="duration" />
  <xs:element name="CoveredLoansByClassOfFinancingReceivableDomain" id="ewbc_CoveredLoansByClassOfFinancingReceivableDomain" type="nonnum:domainItemType" substitutionGroup="xbrli:item" nillable="true" abstract="true" xbrli:periodType="duration" />
  <xs:element name="CoveredLoansByCreditQualityIndicatorsAxis" id="ewbc_CoveredLoansByCreditQualityIndicatorsAxis" type="xbrli:stringItemType" substitutionGroup="xbrldt:dimensionItem" nillable="true" abstract="true" xbrli:periodType="duration" />
  <xs:element name="CoveredLoansByCreditQualityIndicatorsDomain" id="ewbc_CoveredLoansByCreditQualityIndicatorsDomain" type="nonnum:domainItemType" substitutionGroup="xbrli:item" nillable="true" abstract="true" xbrli:periodType="duration" />
  <xs:element name="CarryingAmountsAndCompositionOfCoveredLoansLineItems" id="ewbc_CarryingAmountsAndCompositionOfCoveredLoansLineItems" type="xbrli:stringItemType" substitutionGroup="xbrli:item" nillable="true" abstract="true" xbrli:periodType="duration" />
  <xs:element name="WashingtonFirstInternationalBankMember" id="ewbc_WashingtonFirstInternationalBankMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" nillable="true" abstract="true" xbrli:periodType="duration" />
  <xs:element name="UnitedCommercialBankMember" id="ewbc_UnitedCommercialBankMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" nillable="true" abstract="true" xbrli:periodType="duration" />
  <xs:element name="CoveredLoansNotAccountedForUnderAsc31030Table" id="ewbc_CoveredLoansNotAccountedForUnderAsc31030Table" type="xbrli:stringItemType" substitutionGroup="xbrldt:hypercubeItem" nillable="true" abstract="true" xbrli:periodType="duration" />
  <xs:element name="CoveredLoansByLoansSegmentAxis" id="ewbc_CoveredLoansByLoansSegmentAxis" type="xbrli:stringItemType" substitutionGroup="xbrldt:dimensionItem" nillable="true" abstract="true" xbrli:periodType="duration" />
  <xs:element name="CoveredLoansByLoansSegmentDomain" id="ewbc_CoveredLoansByLoansSegmentDomain" type="nonnum:domainItemType" substitutionGroup="xbrli:item" nillable="true" abstract="true" xbrli:periodType="duration" />
  <xs:element name="CoveredLoansNotAccountedForUnderAsc31030LineItems" id="ewbc_CoveredLoansNotAccountedForUnderAsc31030LineItems" type="xbrli:stringItemType" substitutionGroup="xbrli:item" nillable="true" abstract="true" xbrli:periodType="duration" />
  <xs:element name="SingleFamilyMember" id="ewbc_SingleFamilyMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" nillable="true" abstract="true" xbrli:periodType="duration" />
  <xs:element name="MultifamilyMember" id="ewbc_MultifamilyMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" nillable="true" abstract="true" xbrli:periodType="duration" />
  <xs:element name="IncomeProducingMember" id="ewbc_IncomeProducingMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" nillable="true" abstract="true" xbrli:periodType="duration" />
  <xs:element name="LandCommercialRealEstateMember" id="ewbc_LandCommercialRealEstateMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" nillable="true" abstract="true" xbrli:periodType="duration" />
  <xs:element name="TradeFinanceMember" id="ewbc_TradeFinanceMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" nillable="true" abstract="true" xbrli:periodType="duration" />
  <xs:element name="StudentLoansMember" id="ewbc_StudentLoansMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" nillable="true" abstract="true" xbrli:periodType="duration" />
  <xs:element name="OtherConsumerMember" id="ewbc_OtherConsumerMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" nillable="true" abstract="true" xbrli:periodType="duration" />
  <xs:element name="ScheduleOfNonCoveredLoansReceivableTable" id="ewbc_ScheduleOfNonCoveredLoansReceivableTable" type="xbrli:stringItemType" substitutionGroup="xbrldt:hypercubeItem" nillable="true" abstract="true" xbrli:periodType="duration" />
  <xs:element name="FinancingReceivablePortfolioSegmentDomain" id="ewbc_FinancingReceivablePortfolioSegmentDomain" type="nonnum:domainItemType" substitutionGroup="xbrli:item" nillable="true" abstract="true" xbrli:periodType="duration" />
  <xs:element name="ScheduleOfNonCoveredLoansReceivableLineItems" id="ewbc_ScheduleOfNonCoveredLoansReceivableLineItems" type="xbrli:stringItemType" substitutionGroup="xbrli:item" nillable="true" abstract="true" xbrli:periodType="duration" />
  <xs:element name="LoansHeldForSaleMember" id="ewbc_LoansHeldForSaleMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" nillable="true" abstract="true" xbrli:periodType="duration" />
  <xs:element name="SingleFamilyResidentialFinancingLoansReceivableMember" id="ewbc_SingleFamilyResidentialFinancingLoansReceivableMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" nillable="true" abstract="true" xbrli:periodType="duration" />
  <xs:element name="MultifamilyResidentialFinancingLoansReceivableMember" id="ewbc_MultifamilyResidentialFinancingLoansReceivableMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" nillable="true" abstract="true" xbrli:periodType="duration" />
  <xs:element name="CommercialRealEstateIncomeProducingFinancingReceivableMember" id="ewbc_CommercialRealEstateIncomeProducingFinancingReceivableMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" nillable="true" abstract="true" xbrli:periodType="duration" />
  <xs:element name="CommercialRealEstateLandFinancingReceivableMember" id="ewbc_CommercialRealEstateLandFinancingReceivableMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" nillable="true" abstract="true" xbrli:periodType="duration" />
  <xs:element name="CommercialAndIndustrialCommercialBusinessFinancingReceivableMember" id="ewbc_CommercialAndIndustrialCommercialBusinessFinancingReceivableMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" nillable="true" abstract="true" xbrli:periodType="duration" />
  <xs:element name="CommercialAndIndustrialTradeFinanceFinancingReceivableMember" id="ewbc_CommercialAndIndustrialTradeFinanceFinancingReceivableMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" nillable="true" abstract="true" xbrli:periodType="duration" />
  <xs:element name="ConsumerStudentLoansFinancingReceivableMember" id="ewbc_ConsumerStudentLoansFinancingReceivableMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" nillable="true" abstract="true" xbrli:periodType="duration" />
  <xs:element name="ABNoteSplitsMember" id="ewbc_ABNoteSplitsMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" nillable="true" abstract="true" xbrli:periodType="duration" />
  <xs:element name="TroubledDebtRestructuringsByLoanClassificationAxis" id="ewbc_TroubledDebtRestructuringsByLoanClassificationAxis" type="xbrli:stringItemType" substitutionGroup="xbrldt:dimensionItem" nillable="true" abstract="true" xbrli:periodType="duration" />
  <xs:element name="TroubledDebtRestructuringsLoanClassificationDomain" id="ewbc_TroubledDebtRestructuringsLoanClassificationDomain" type="nonnum:domainItemType" substitutionGroup="xbrli:item" nillable="true" abstract="true" xbrli:periodType="duration" />
  <xs:element name="TroubledDebtRestructuringsByFormOfConcessionAxis" id="ewbc_TroubledDebtRestructuringsByFormOfConcessionAxis" type="xbrli:stringItemType" substitutionGroup="xbrldt:dimensionItem" nillable="true" abstract="true" xbrli:periodType="duration" />
  <xs:element name="TroubledDebtRestructuringsFormOfConcessionDomain" id="ewbc_TroubledDebtRestructuringsFormOfConcessionDomain" type="nonnum:domainItemType" substitutionGroup="xbrli:item" nillable="true" abstract="true" xbrli:periodType="duration" />
  <xs:element name="NoRelatedAllowanceMember" id="ewbc_NoRelatedAllowanceMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" nillable="true" abstract="true" xbrli:periodType="duration" />
  <xs:element name="WithRelatedAllowanceMember" id="ewbc_WithRelatedAllowanceMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" nillable="true" abstract="true" xbrli:periodType="duration" />
  <xs:element name="ImpairedFinancingReceivableByAllowanceMethodAxis" id="ewbc_ImpairedFinancingReceivableByAllowanceMethodAxis" type="xbrli:stringItemType" substitutionGroup="xbrldt:dimensionItem" nillable="true" abstract="true" xbrli:periodType="duration" />
  <xs:element name="ImpairedFinancingReceivableAllowanceMethodDomain" id="ewbc_ImpairedFinancingReceivableAllowanceMethodDomain" type="nonnum:domainItemType" substitutionGroup="xbrli:item" nillable="true" abstract="true" xbrli:periodType="duration" />
  <xs:element name="CoveredLoansSubjectToAllowanceForLoanLossesMember" id="ewbc_CoveredLoansSubjectToAllowanceForLoanLossesMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" nillable="true" abstract="true" xbrli:periodType="duration" />
  <xs:element name="ScheduleOfFinancingReceivableTable" id="ewbc_ScheduleOfFinancingReceivableTable" type="xbrli:stringItemType" substitutionGroup="xbrldt:hypercubeItem" nillable="true" abstract="true" xbrli:periodType="duration" />
  <xs:element name="FinancingReceivableInformationBySegmentAxis" id="ewbc_FinancingReceivableInformationBySegmentAxis" type="xbrli:stringItemType" substitutionGroup="xbrldt:dimensionItem" nillable="true" abstract="true" xbrli:periodType="duration" />
  <xs:element name="FinancingReceivableDomain" id="ewbc_FinancingReceivableDomain" type="nonnum:domainItemType" substitutionGroup="xbrli:item" nillable="true" abstract="true" xbrli:periodType="duration" />
  <xs:element name="ScheduleOfFinancingReceivableLineItems" id="ewbc_ScheduleOfFinancingReceivableLineItems" type="xbrli:stringItemType" substitutionGroup="xbrli:item" nillable="true" abstract="true" xbrli:periodType="duration" />
  <xs:element name="SaleOfBuildingMember" id="ewbc_SaleOfBuildingMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" nillable="true" abstract="true" xbrli:periodType="duration" />
  <xs:element name="SaleOfBranchMember" id="ewbc_SaleOfBranchMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" nillable="true" abstract="true" xbrli:periodType="duration" />
  <xs:element name="CommercialAndStandbyLettersOfCreditMember" id="ewbc_CommercialAndStandbyLettersOfCreditMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" nillable="true" abstract="true" xbrli:periodType="duration" />
  <xs:element name="SingleFamilyLoansWithFullRecourseMember" id="ewbc_SingleFamilyLoansWithFullRecourseMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" nillable="true" abstract="true" xbrli:periodType="duration" />
  <xs:element name="MultiFamilyLoansWithLimitedRecourseMember" id="ewbc_MultiFamilyLoansWithLimitedRecourseMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" nillable="true" abstract="true" xbrli:periodType="duration" />
  <xs:element name="LoansSoldWithoutRecourseMember" id="ewbc_LoansSoldWithoutRecourseMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" nillable="true" abstract="true" xbrli:periodType="duration" />
  <xs:element name="LoansSecuritizedWithoutRecourseMember" id="ewbc_LoansSecuritizedWithoutRecourseMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" nillable="true" abstract="true" xbrli:periodType="duration" />
  <xs:element name="LossContingenciesByNatureOfContingencySubordinateAxis" id="ewbc_LossContingenciesByNatureOfContingencySubordinateAxis" type="xbrli:stringItemType" substitutionGroup="xbrldt:dimensionItem" nillable="true" abstract="true" xbrli:periodType="duration" />
  <xs:element name="LossContingencyNatureSubordinateDomain" id="ewbc_LossContingencyNatureSubordinateDomain" type="nonnum:domainItemType" substitutionGroup="xbrli:item" nillable="true" abstract="true" xbrli:periodType="duration" />
  <xs:element name="RetailBankingMember" id="ewbc_RetailBankingMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" nillable="true" abstract="true" xbrli:periodType="duration" />
  <xs:element name="CommercialLendingMember" id="ewbc_CommercialLendingMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" nillable="true" abstract="true" xbrli:periodType="duration" />
  <xs:element name="DividendApprovedForPaymentMember" id="ewbc_DividendApprovedForPaymentMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" nillable="true" abstract="true" xbrli:periodType="duration" />
</xs:schema>
