XML 40 R29.htm IDEA: XBRL DOCUMENT
v3.4.0.3

INVESTMENTS IN QUALIFIED AFFORDABLE HOUSING PARTNERSHIPS, TAX CREDIT AND OTHER INVESTMENTS, NET (Tables) | 3 Months Ended
--- | ---
Mar. 31, 2016
INVESTMENTS IN QUALIFIED AFFORDABLE HOUSING PARTNERSHIPS, TAX CREDIT AND OTHER INVESTMENTS, NET |
Schedule of investments in qualified affordable housing partnerships and related unfunded commitments | The following table presents the balances of the Company’s investments in qualified affordable housing partnerships, net and related unfunded commitments as of the periods indicated:
($ in thousands) |  | March 31, 2016 |  | December 31, 2015
Investments in qualified affordable housing partnerships, net |  | $ | 186,999 |  |  | $ | 193,978 |
Accrued expenses and other liabilities — Unfunded commitments |  | $ | 57,936 |  |  | $ | 61,525 |
Schedule of other information related to investments in qualified affordable housing partnership | The following table presents additional information related to the Company’s investments in qualified affordable housing partnerships, net for the periods indicated:
($ in thousands) |  | Three Months Ended March 31,
| 2016 |  | 2015
Tax credits and other tax benefits recognized |  | $ | 9,452 |  |  | $ | 8,775 |
Amortization expense included in income tax expense |  | $ | 6,966 |  |  | $ | 6,244 |

X
- References No definition available. + Details
Name: | ewbc_InvestmentsInAffordableHousingPartnershipsAndOtherTaxCreditInvestmentsDisclosureAbstract
Namespace Prefix: | ewbc_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure of qualified affordable housing project investments and related unfunded commitments. + References No definition available. + Details
Name: | ewbc_ScheduleOfAffordableHousingInvestmentsAndUnfundedCommitmentsTableTextBlock
Namespace Prefix: | ewbc_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure of the income statement impact from investments in qualified affordable housing partnerships, including amortization expense and recognition of tax credits and other tax benefits. + References No definition available. + Details
Name: | ewbc_ScheduleOfAffordableHousingInvestmentsIncomeStatementImpactTableTextBlock
Namespace Prefix: | ewbc_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration