XML 51 R32.htm IDEA: XBRL DOCUMENT
v3.21.1

Investments in Qualified Affordable Housing Partnerships, Tax Credit and Other Investments, Net and Variable Interest Entities (Tables) | 3 Months Ended
--- | ---
Mar. 31, 2021
Investments in Qualified Affordable Housing Partnerships, Tax Credit and Other Investments, Net and Variable Interest Entities [Abstract] |
Schedule of investments in qualified affordable housing partnerships, net and related unfunded commitments | The following table presents the Company’s investments in qualified affordable housing partnerships, net, and related unfunded commitments as of March 31, 2021 and December 31, 2020:
($ in thousands) |  | March 31, 2021 |  | December 31, 2020
Investments in qualified affordable housing partnerships, net |  | $ | 284,862 |  |  | $ | 213,555 |
Accrued expenses and other liabilities — Unfunded commitments |  | $ | 142,103 |  |  | $ | 77,444 |
Schedule of additional information related to investments in qualified affordable housing partnerships, net | The following table presents additional information related to the Company’s investments in qualified affordable housing partnerships, net, for the three months ended March 31, 2021 and 2020:
($ in thousands) |  | Three Months Ended March 31, |  |
| 2021 |  | 2020 |  |  |  |
Tax credits and other tax benefits recognized |  | $ | 11,028 |  |  | $ | 11,031 |  |  |  |  |
Amortization expense included in income tax expense |  | $ | 8,712 |  |  | $ | 8,384 |  |  |  |  |
Schedule of investment in tax credit and other investments, net and related unfunded commitments | The following table presents the Company’s investments in tax credit and other investments, net, and related unfunded commitments as of March 31, 2021 and December 31, 2020:
($ in thousands) |  | March 31, 2021 |  | December 31, 2020
Investments in tax credit and other investments, net |  | $ | 361,438 |  |  | $ | 266,525 |
Accrued expenses and other liabilities — Unfunded commitments |  | $ | 192,644 |  |  | $ | 105,282 |

X
- Definition Investments in Qualified Affordable Housing Partnerships, Net [Abstract] + References No definition available. + Details
Name: | ewbc_InvestmentsInQualifiedAffordableHousingPartnershipsTaxCreditAndOtherInvestmentsNetAndVariableInterestEntitiesAbstract
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

X
- Definition Schedule of Tax Credits and Other Investments and Unfunded Commitments [Table Text Block] + References No definition available. + Details
Name: | ewbc_ScheduleofTaxCreditsandOtherInvestmentsandUnfundedCommitmentsTableTextBlock
Namespace Prefix: | ewbc_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration