XML 85 R69.htm IDEA: XBRL DOCUMENT
v3.24.3

Loans Receivable and Allowance for Credit Losses - Schedule Of Amortized Cost Of Loans On Nonaccrual Status With No Related Allowance For Loan Losses (Details) - USD ($) $ in Thousands | Sep. 30, 2024 | Dec. 31, 2023
--- | --- | ---
Financing Receivable, Nonaccrual [Line Items] |  |
Total nonaccrual loans with no related allowance for loan losses | $ 98,333 | $ 72,085
Commercial lending |  |
Financing Receivable, Nonaccrual [Line Items] |  |
Total nonaccrual loans with no related allowance for loan losses | 81,728 | 59,977
Commercial lending | C&I |  |
Financing Receivable, Nonaccrual [Line Items] |  |
Total nonaccrual loans with no related allowance for loan losses | 67,821 | 33,089
Commercial lending | CRE |  |
Financing Receivable, Nonaccrual [Line Items] |  |
Total nonaccrual loans with no related allowance for loan losses | 2,591 | 22,653
Commercial lending | Multifamily residential |  |
Financing Receivable, Nonaccrual [Line Items] |  |
Total nonaccrual loans with no related allowance for loan losses | 0 | 4,235
Commercial lending | Construction and land |  |
Financing Receivable, Nonaccrual [Line Items] |  |
Total nonaccrual loans with no related allowance for loan losses | 11,316 | 0
Consumer lending |  |
Financing Receivable, Nonaccrual [Line Items] |  |
Total nonaccrual loans with no related allowance for loan losses | 16,605 | 12,108
Consumer lending | Single-family residential |  |
Financing Receivable, Nonaccrual [Line Items] |  |
Total nonaccrual loans with no related allowance for loan losses | 6,520 | 4,852
Consumer lending | HELOCs |  |
Financing Receivable, Nonaccrual [Line Items] |  |
Total nonaccrual loans with no related allowance for loan losses | $ 10,085 | $ 7,256

X
- Definition Amortized cost of financing receivable on nonaccrual status with no allowance for credit loss. Excludes net investment in lease. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 326 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 16 -Subparagraph (d) -Publisher FASB -URI https://asc.fasb.org/1943274/2147479319/326-20-50-16 + Details
Name: | us-gaap_FinancingReceivableNonaccrualNoAllowance
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 326 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 16 -Publisher FASB -URI https://asc.fasb.org/1943274/2147479319/326-20-50-16 + Details
Name: | us-gaap_FinancingReceivableNonaccrualStatusLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | us-gaap_FinancingReceivablePortfolioSegmentAxis=us-gaap_CommercialPortfolioSegmentMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis=ewbc_CommercialAndIndustrialLoanMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis=us-gaap_CommercialRealEstateMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis=srt_MultifamilyMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis=ewbc_ConstructionAndLandLoanMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancingReceivablePortfolioSegmentAxis=us-gaap_ConsumerPortfolioSegmentMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis=srt_SingleFamilyMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis=us-gaap_HomeEquityMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |