XML 61 R65.htm IDEA: XBRL DOCUMENT
v2.4.0.8

NON-COVERED LOANS AND ALLOWANCE FOR LOAN LOSSES (Details 6) (Non-covered loans, USD $) In Thousands, unless otherwise specified | 9 Months Ended |  |  |  |  |  |
--- | --- | --- | --- | --- | --- | --- | ---
Sep. 30, 2014 item | Sep. 30, 2014 Performing loan | Dec. 31, 2013 Performing loan | Sep. 30, 2014 Performing loan A/B Note Splits | Dec. 31, 2013 Performing loan A/B Note Splits | Sep. 30, 2014 Nonperforming loan | Dec. 31, 2013 Nonperforming loan
Restructured loans disclosures |  |  |  |  |  |  |
Number of notes into which A/B notes are split | 2 |  |  |  |  |  |
Number of consecutive months of payments considered demonstration of sustained period of performance | 6 months |  |  |  |  |  |
Loan balance of restructured loans |  | $ 67,200 | $ 71,800 | $ 2,900 | $ 4,300 | $ 22,400 | $ 11,100

X
- Definition The number of consecutive months of payments received from the borrower on a nonperforming restructured loan for it to be considered as demonstrating a sustained period of performance and be removed from nonaccrual status. + References No definition available. + Details
Name: | ewbc_FinancingReceivableNumberOfPaymentMonthsConsideredSustainedPeriodOfPerformance
Namespace Prefix: | ewbc_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

X
- Definition The number of notes the original note is split into in an A/B note restructuring. + References No definition available. + Details
Name: | ewbc_FinancingReceivableRestructuredNoteSplitNumber
Namespace Prefix: | ewbc_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | ewbc_RestructuredLoansAbstract
Namespace Prefix: | ewbc_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition The amount of the outstanding recorded investment related to financing receivables that have been modified by troubled debt restructurings. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 40 -Section 50 -Paragraph 4 -URI http://asc.fasb.org/extlink&oid=25495931&loc=d3e18845-111554 + Details
Name: | us-gaap_FinancingReceivableModificationsRecordedInvestment
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant