XML 57 R36.htm IDEA: XBRL DOCUMENT
v3.22.0.1

Investments in Qualified Affordable Housing Partnerships, Tax Credit and Other Investments, Net and Variable Interest Entities (Tables) | 12 Months Ended
--- | ---
Dec. 31, 2021
Investments in Qualified Affordable Housing Partnerships, Net [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 December 31, 2021 and 2020:
($ in thousands) |  | December 31,
| 2021 |  | 2020
Investments in qualified affordable housing partnerships, net |  | $ | 289,741 |  |  | $ | 213,555 |
Accrued expenses and other liabilities — Unfunded commitments |  | $ | 146,152 |  |  | $ | 77,444 |
Schedule of additional information related to investments in qualified affordable housing partnership, net | The following table presents additional information related to the Company’s investments in qualified affordable housing partnerships, net, for the years ended December 31, 2021, 2020 and 2019:
($ in thousands) |  | Year Ended December 31,
| 2021 |  | 2020 |  | 2019
Tax credits and other tax benefits recognized |  | $ | 50,591 |  |  | $ | 45,971 |  |  | $ | 46,034 |
Amortization expense included in income tax expense |  | $ | 33,248 |  |  | $ | 37,132 |  |  | $ | 36,561 |
Schedule of tax credit and other investment, 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 December 31, 2021 and 2020:
($ in thousands) |  | December 31,
| 2021 |  | 2020
Investments in tax credit and other investments, net |  | $ | 338,522 |  |  | $ | 266,525 |
Accrued expenses and other liabilities — Unfunded commitments |  | $ | 163,464 |  |  | $ | 105,282 |
Schedule of Amortization of Tax Credit and Other Investments | The following table presents additional information related to the Company’s investments in tax credit and other investments, net, for the years ended December 31, 2021, 2020 and 2019:
($ in thousands) |  | Year Ended December 31,
| 2021 |  | 2020 |  | 2019
Amortization of tax credit and other investments |  | $ | 122,457 |  |  | $ | 70,082 |  |  | $ | 98,383 |
Schedule of unfunded commitments related to investments in qualified affordable housing partnerships, tax credit and other investments, estimated to be funded | As of December 31, 2021, the Company’s unfunded commitments related to investments in qualified affordable housing partnerships, tax credit and other investments are estimated to be funded as follows:
($ in thousands) |  | Amount
2022 |  | $ | 174,475 |
2023 |  | 109,622 |
2024 |  | 5,751 |
2025 |  | 14,847 |
2026 |  | 978 |
Thereafter |  | 3,943 |
Total |  | $ | 309,616 |

X
- Definition Investments in Qualified Affordable Housing Partnerships, Net [Abstract] + References No definition available. + Details
Name: | ewbc_InvestmentsinQualifiedAffordableHousingPartnershipsNetAbstract
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: | dtr-types: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: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Definition Schedule of Amortization of Tax Credit and Other Investments + References No definition available. + Details
Name: | ewbc_ScheduleOfAmortizationOfTaxCreditAndOtherInvestmentsTableTextBlock
Namespace Prefix: | ewbc_
Data Type: | dtr-types: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: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure of information about obligations resulting from other commitments. + References No definition available. + Details
Name: | us-gaap_OtherCommitmentsTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration