XML 48 R97.htm IDEA: XBRL DOCUMENT v2.4.1.9
NON-COVERED LOANS AND ALLOWANCE FOR LOAN LOSSES (Details 13) (Non-covered loans, USD $)
In Thousands, unless otherwise specified
Dec. 31, 2014
Dec. 31, 2013
Recorded investment in total loans receivable related to each balance in the allowance for loan losses    
Individually evaluated for impairment $ 154,120us-gaap_FinancingReceivableIndividuallyEvaluatedForImpairment $ 183,477us-gaap_FinancingReceivableIndividuallyEvaluatedForImpairment
Collectively evaluated for impairment 19,997,601us-gaap_FinancingReceivableCollectivelyEvaluatedForImpairment 15,494,840us-gaap_FinancingReceivableCollectivelyEvaluatedForImpairment
Acquired with deteriorated credit quality 97,730us-gaap_FinancingReceivableAcquiredWithDeterioratedCreditQuality  
Ending balance 20,249,451us-gaap_LoansAndLeasesReceivableGrossCarryingAmount 15,678,317us-gaap_LoansAndLeasesReceivableGrossCarryingAmount
CRE
   
Recorded investment in total loans receivable related to each balance in the allowance for loan losses    
Individually evaluated for impairment 65,393us-gaap_FinancingReceivableIndividuallyEvaluatedForImpairment
/ ewbc_FinancingReceivableInformationByPortfolioSegmentsAxis
= us-gaap_CommercialRealEstatePortfolioSegmentMember
/ ewbc_ReceivableByIndemnificationStatusAxis
= ewbc_NonCoveredLoansMember
84,436us-gaap_FinancingReceivableIndividuallyEvaluatedForImpairment
/ ewbc_FinancingReceivableInformationByPortfolioSegmentsAxis
= us-gaap_CommercialRealEstatePortfolioSegmentMember
/ ewbc_ReceivableByIndemnificationStatusAxis
= ewbc_NonCoveredLoansMember
Collectively evaluated for impairment 5,977,437us-gaap_FinancingReceivableCollectivelyEvaluatedForImpairment
/ ewbc_FinancingReceivableInformationByPortfolioSegmentsAxis
= us-gaap_CommercialRealEstatePortfolioSegmentMember
/ ewbc_ReceivableByIndemnificationStatusAxis
= ewbc_NonCoveredLoansMember
4,500,641us-gaap_FinancingReceivableCollectivelyEvaluatedForImpairment
/ ewbc_FinancingReceivableInformationByPortfolioSegmentsAxis
= us-gaap_CommercialRealEstatePortfolioSegmentMember
/ ewbc_ReceivableByIndemnificationStatusAxis
= ewbc_NonCoveredLoansMember
Acquired with deteriorated credit quality 91,216us-gaap_FinancingReceivableAcquiredWithDeterioratedCreditQuality
/ ewbc_FinancingReceivableInformationByPortfolioSegmentsAxis
= us-gaap_CommercialRealEstatePortfolioSegmentMember
/ ewbc_ReceivableByIndemnificationStatusAxis
= ewbc_NonCoveredLoansMember
 
Ending balance 6,134,046us-gaap_LoansAndLeasesReceivableGrossCarryingAmount
/ ewbc_FinancingReceivableInformationByPortfolioSegmentsAxis
= us-gaap_CommercialRealEstatePortfolioSegmentMember
/ ewbc_ReceivableByIndemnificationStatusAxis
= ewbc_NonCoveredLoansMember
4,585,077us-gaap_LoansAndLeasesReceivableGrossCarryingAmount
/ ewbc_FinancingReceivableInformationByPortfolioSegmentsAxis
= us-gaap_CommercialRealEstatePortfolioSegmentMember
/ ewbc_ReceivableByIndemnificationStatusAxis
= ewbc_NonCoveredLoansMember
C&I
   
Recorded investment in total loans receivable related to each balance in the allowance for loan losses    
Individually evaluated for impairment 36,543us-gaap_FinancingReceivableIndividuallyEvaluatedForImpairment
/ ewbc_FinancingReceivableInformationByPortfolioSegmentsAxis
= us-gaap_CommercialPortfolioSegmentMember
/ ewbc_ReceivableByIndemnificationStatusAxis
= ewbc_NonCoveredLoansMember
39,527us-gaap_FinancingReceivableIndividuallyEvaluatedForImpairment
/ ewbc_FinancingReceivableInformationByPortfolioSegmentsAxis
= us-gaap_CommercialPortfolioSegmentMember
/ ewbc_ReceivableByIndemnificationStatusAxis
= ewbc_NonCoveredLoansMember
Collectively evaluated for impairment 7,796,239us-gaap_FinancingReceivableCollectivelyEvaluatedForImpairment
/ ewbc_FinancingReceivableInformationByPortfolioSegmentsAxis
= us-gaap_CommercialPortfolioSegmentMember
/ ewbc_ReceivableByIndemnificationStatusAxis
= ewbc_NonCoveredLoansMember
5,320,666us-gaap_FinancingReceivableCollectivelyEvaluatedForImpairment
/ ewbc_FinancingReceivableInformationByPortfolioSegmentsAxis
= us-gaap_CommercialPortfolioSegmentMember
/ ewbc_ReceivableByIndemnificationStatusAxis
= ewbc_NonCoveredLoansMember
Acquired with deteriorated credit quality 5,312us-gaap_FinancingReceivableAcquiredWithDeterioratedCreditQuality
/ ewbc_FinancingReceivableInformationByPortfolioSegmentsAxis
= us-gaap_CommercialPortfolioSegmentMember
/ ewbc_ReceivableByIndemnificationStatusAxis
= ewbc_NonCoveredLoansMember
 
Ending balance 7,838,094us-gaap_LoansAndLeasesReceivableGrossCarryingAmount
/ ewbc_FinancingReceivableInformationByPortfolioSegmentsAxis
= us-gaap_CommercialPortfolioSegmentMember
/ ewbc_ReceivableByIndemnificationStatusAxis
= ewbc_NonCoveredLoansMember
5,360,193us-gaap_LoansAndLeasesReceivableGrossCarryingAmount
/ ewbc_FinancingReceivableInformationByPortfolioSegmentsAxis
= us-gaap_CommercialPortfolioSegmentMember
/ ewbc_ReceivableByIndemnificationStatusAxis
= ewbc_NonCoveredLoansMember
Residential
   
Recorded investment in total loans receivable related to each balance in the allowance for loan losses    
Individually evaluated for impairment 50,925us-gaap_FinancingReceivableIndividuallyEvaluatedForImpairment
/ ewbc_FinancingReceivableInformationByPortfolioSegmentsAxis
= us-gaap_ResidentialPortfolioSegmentMember
/ ewbc_ReceivableByIndemnificationStatusAxis
= ewbc_NonCoveredLoansMember
56,287us-gaap_FinancingReceivableIndividuallyEvaluatedForImpairment
/ ewbc_FinancingReceivableInformationByPortfolioSegmentsAxis
= us-gaap_ResidentialPortfolioSegmentMember
/ ewbc_ReceivableByIndemnificationStatusAxis
= ewbc_NonCoveredLoansMember
Collectively evaluated for impairment 4,768,541us-gaap_FinancingReceivableCollectivelyEvaluatedForImpairment
/ ewbc_FinancingReceivableInformationByPortfolioSegmentsAxis
= us-gaap_ResidentialPortfolioSegmentMember
/ ewbc_ReceivableByIndemnificationStatusAxis
= ewbc_NonCoveredLoansMember
4,129,022us-gaap_FinancingReceivableCollectivelyEvaluatedForImpairment
/ ewbc_FinancingReceivableInformationByPortfolioSegmentsAxis
= us-gaap_ResidentialPortfolioSegmentMember
/ ewbc_ReceivableByIndemnificationStatusAxis
= ewbc_NonCoveredLoansMember
Acquired with deteriorated credit quality 1,202us-gaap_FinancingReceivableAcquiredWithDeterioratedCreditQuality
/ ewbc_FinancingReceivableInformationByPortfolioSegmentsAxis
= us-gaap_ResidentialPortfolioSegmentMember
/ ewbc_ReceivableByIndemnificationStatusAxis
= ewbc_NonCoveredLoansMember
 
Ending balance 4,820,668us-gaap_LoansAndLeasesReceivableGrossCarryingAmount
/ ewbc_FinancingReceivableInformationByPortfolioSegmentsAxis
= us-gaap_ResidentialPortfolioSegmentMember
/ ewbc_ReceivableByIndemnificationStatusAxis
= ewbc_NonCoveredLoansMember
4,185,309us-gaap_LoansAndLeasesReceivableGrossCarryingAmount
/ ewbc_FinancingReceivableInformationByPortfolioSegmentsAxis
= us-gaap_ResidentialPortfolioSegmentMember
/ ewbc_ReceivableByIndemnificationStatusAxis
= ewbc_NonCoveredLoansMember
Consumer
   
Recorded investment in total loans receivable related to each balance in the allowance for loan losses    
Individually evaluated for impairment 1,259us-gaap_FinancingReceivableIndividuallyEvaluatedForImpairment
/ ewbc_FinancingReceivableInformationByPortfolioSegmentsAxis
= us-gaap_ConsumerPortfolioSegmentMember
/ ewbc_ReceivableByIndemnificationStatusAxis
= ewbc_NonCoveredLoansMember
3,227us-gaap_FinancingReceivableIndividuallyEvaluatedForImpairment
/ ewbc_FinancingReceivableInformationByPortfolioSegmentsAxis
= us-gaap_ConsumerPortfolioSegmentMember
/ ewbc_ReceivableByIndemnificationStatusAxis
= ewbc_NonCoveredLoansMember
Collectively evaluated for impairment 1,455,384us-gaap_FinancingReceivableCollectivelyEvaluatedForImpairment
/ ewbc_FinancingReceivableInformationByPortfolioSegmentsAxis
= us-gaap_ConsumerPortfolioSegmentMember
/ ewbc_ReceivableByIndemnificationStatusAxis
= ewbc_NonCoveredLoansMember
1,544,511us-gaap_FinancingReceivableCollectivelyEvaluatedForImpairment
/ ewbc_FinancingReceivableInformationByPortfolioSegmentsAxis
= us-gaap_ConsumerPortfolioSegmentMember
/ ewbc_ReceivableByIndemnificationStatusAxis
= ewbc_NonCoveredLoansMember
Acquired with deteriorated credit quality 0us-gaap_FinancingReceivableAcquiredWithDeterioratedCreditQuality
/ ewbc_FinancingReceivableInformationByPortfolioSegmentsAxis
= us-gaap_ConsumerPortfolioSegmentMember
/ ewbc_ReceivableByIndemnificationStatusAxis
= ewbc_NonCoveredLoansMember
 
Ending balance $ 1,456,643us-gaap_LoansAndLeasesReceivableGrossCarryingAmount
/ ewbc_FinancingReceivableInformationByPortfolioSegmentsAxis
= us-gaap_ConsumerPortfolioSegmentMember
/ ewbc_ReceivableByIndemnificationStatusAxis
= ewbc_NonCoveredLoansMember
$ 1,547,738us-gaap_LoansAndLeasesReceivableGrossCarryingAmount
/ ewbc_FinancingReceivableInformationByPortfolioSegmentsAxis
= us-gaap_ConsumerPortfolioSegmentMember
/ ewbc_ReceivableByIndemnificationStatusAxis
= ewbc_NonCoveredLoansMember