XML 94 R78.htm IDEA: XBRL DOCUMENT
v3.24.3

Loans Receivable and Allowance for Credit Losses - Schedule Of Activity In The Allowance For Credit Losses (Details) - USD ($) $ in Thousands | 3 Months Ended | 9 Months Ended | 12 Months Ended
--- | --- | --- | ---
Sep. 30, 2024 | Sep. 30, 2023 | Sep. 30, 2024 | Sep. 30, 2023 | Dec. 31, 2023
Allowance for loan losses |  |  |  |  |
Allowance for loan losses, start of period | $ 683,794 | $ 635,400 | $ 668,743 | $ 595,645 | $ 595,645
Provision for (reversal of) credit losses on loans | 41,717 | 38,136 | 102,633 | 80,681 |
Gross charge-offs | (30,298) | (21,007) | (80,304) | (32,799) |
Gross recoveries | 935 | 2,861 | 5,229 | 6,507 |
Total net (charge-offs) recoveries | (29,363) | (18,146) | (75,075) | (26,292) |
Foreign currency translation adjustment | 337 | 133 | 184 | (539) |
Allowance for loan losses, end of period | 696,485 | 655,523 | 696,485 | 655,523 | 668,743
Cumulative Effect, Period Of Adoption, Adjustment | Accounting Standards Update 2022-02 |  |  |  |  |
Allowance for loan losses |  |  |  |  |
Allowance for loan losses, start of period |  |  |  | 6,028 | 6,028
Cumulative Effect, Period of Adoption, Adjusted Balance |  |  |  |  |
Allowance for loan losses |  |  |  |  |
Allowance for loan losses, start of period |  |  |  | 601,673 | 601,673
Commercial lending | C&I |  |  |  |  |
Allowance for loan losses |  |  |  |  |
Allowance for loan losses, start of period | 379,984 | 375,333 | 392,685 | 371,700 | 371,700
Provision for (reversal of) credit losses on loans | 26,416 | 13,006 | 44,473 | 17,587 |
Gross charge-offs | (29,260) | (7,074) | (63,392) | (16,309) |
Gross recoveries | 838 | 2,279 | 4,365 | 5,555 |
Total net (charge-offs) recoveries | (28,422) | (4,795) | (59,027) | (10,754) |
Foreign currency translation adjustment | 337 | 133 | 184 | (539) |
Allowance for loan losses, end of period | 378,315 | 383,677 | 378,315 | 383,677 | 392,685
Commercial lending | C&I | Cumulative Effect, Period Of Adoption, Adjustment | Accounting Standards Update 2022-02 |  |  |  |  |
Allowance for loan losses |  |  |  |  |
Allowance for loan losses, start of period |  |  |  | 5,683 | 5,683
Commercial lending | C&I | Cumulative Effect, Period of Adoption, Adjusted Balance |  |  |  |  |
Allowance for loan losses |  |  |  |  |
Allowance for loan losses, start of period |  |  |  | 377,383 | 377,383
Commercial lending | CRE |  |  |  |  |
Allowance for loan losses |  |  |  |  |
Allowance for loan losses, start of period | 194,794 | 168,505 | 170,592 | 149,864 | 149,864
Provision for (reversal of) credit losses on loans | 27,123 | 12,952 | 64,542 | 33,313 |
Gross charge-offs | (734) | (3,466) | (14,235) | (5,838) |
Gross recoveries | 61 | 49 | 345 | 364 |
Total net (charge-offs) recoveries | (673) | (3,417) | (13,890) | (5,474) |
Foreign currency translation adjustment | 0 | 0 | 0 | 0 |
Allowance for loan losses, end of period | 221,244 | 178,040 | 221,244 | 178,040 | 170,592
Commercial lending | CRE | Cumulative Effect, Period Of Adoption, Adjustment | Accounting Standards Update 2022-02 |  |  |  |  |
Allowance for loan losses |  |  |  |  |
Allowance for loan losses, start of period |  |  |  | 337 | 337
Commercial lending | CRE | Cumulative Effect, Period of Adoption, Adjusted Balance |  |  |  |  |
Allowance for loan losses |  |  |  |  |
Allowance for loan losses, start of period |  |  |  | 150,201 | 150,201
Commercial lending | Multifamily residential |  |  |  |  |
Allowance for loan losses |  |  |  |  |
Allowance for loan losses, start of period | 40,254 | 22,938 | 34,375 | 23,373 | 23,373
Provision for (reversal of) credit losses on loans | (8,493) | 772 | (2,833) | 303 |
Gross charge-offs | 0 | 0 | (6) | 0 |
Gross recoveries | 21 | 452 | 246 | 480 |
Total net (charge-offs) recoveries | 21 | 452 | 240 | 480 |
Foreign currency translation adjustment | 0 | 0 | 0 | 0 |
Allowance for loan losses, end of period | 31,782 | 24,162 | 31,782 | 24,162 | 34,375
Commercial lending | Multifamily residential | Cumulative Effect, Period Of Adoption, Adjustment | Accounting Standards Update 2022-02 |  |  |  |  |
Allowance for loan losses |  |  |  |  |
Allowance for loan losses, start of period |  |  |  | 6 | 6
Commercial lending | Multifamily residential | Cumulative Effect, Period of Adoption, Adjusted Balance |  |  |  |  |
Allowance for loan losses |  |  |  |  |
Allowance for loan losses, start of period |  |  |  | 23,379 | 23,379
Commercial lending | Construction and land |  |  |  |  |
Allowance for loan losses |  |  |  |  |
Allowance for loan losses, start of period | 14,322 | 11,325 | 10,469 | 9,109 | 9,109
Provision for (reversal of) credit losses on loans | (1,975) | 8,302 | 3,828 | 10,507 |
Gross charge-offs | (145) | (10,413) | (2,289) | (10,413) |
Gross recoveries | 6 | 2 | 200 | 13 |
Total net (charge-offs) recoveries | (139) | (10,411) | (2,089) | (10,400) |
Foreign currency translation adjustment | 0 | 0 | 0 | 0 |
Allowance for loan losses, end of period | 12,208 | 9,216 | 12,208 | 9,216 | 10,469
Commercial lending | Construction and land | Cumulative Effect, Period Of Adoption, Adjustment | Accounting Standards Update 2022-02 |  |  |  |  |
Allowance for loan losses |  |  |  |  |
Allowance for loan losses, start of period |  |  |  | 0 | 0
Commercial lending | Construction and land | Cumulative Effect, Period of Adoption, Adjusted Balance |  |  |  |  |
Allowance for loan losses |  |  |  |  |
Allowance for loan losses, start of period |  |  |  | 9,109 | 9,109
Consumer lending | Single-family residential |  |  |  |  |
Allowance for loan losses |  |  |  |  |
Allowance for loan losses, start of period | 49,523 | 51,513 | 55,018 | 35,564 | 35,564
Provision for (reversal of) credit losses on loans | (1,293) | 3,353 | (6,760) | 19,296 |
Gross charge-offs | 0 | 0 | (35) | 0 |
Gross recoveries | 1 | 64 | 8 | 69 |
Total net (charge-offs) recoveries | 1 | 64 | (27) | 69 |
Foreign currency translation adjustment | 0 | 0 | 0 | 0 |
Allowance for loan losses, end of period | 48,231 | 54,930 | 48,231 | 54,930 | 55,018
Consumer lending | Single-family residential | Cumulative Effect, Period Of Adoption, Adjustment | Accounting Standards Update 2022-02 |  |  |  |  |
Allowance for loan losses |  |  |  |  |
Allowance for loan losses, start of period |  |  |  | 1 | 1
Consumer lending | Single-family residential | Cumulative Effect, Period of Adoption, Adjusted Balance |  |  |  |  |
Allowance for loan losses |  |  |  |  |
Allowance for loan losses, start of period |  |  |  | 35,565 | 35,565
Consumer lending | HELOCs |  |  |  |  |
Allowance for loan losses |  |  |  |  |
Allowance for loan losses, start of period | 3,340 | 4,526 | 3,947 | 4,475 | 4,475
Provision for (reversal of) credit losses on loans | (128) | (705) | (792) | (569) |
Gross charge-offs | (10) | (41) | (10) | (138) |
Gross recoveries | 8 | 15 | 65 | 26 |
Total net (charge-offs) recoveries | (2) | (26) | 55 | (112) |
Foreign currency translation adjustment | 0 | 0 | 0 | 0 |
Allowance for loan losses, end of period | 3,210 | 3,795 | 3,210 | 3,795 | 3,947
Consumer lending | HELOCs | Cumulative Effect, Period Of Adoption, Adjustment | Accounting Standards Update 2022-02 |  |  |  |  |
Allowance for loan losses |  |  |  |  |
Allowance for loan losses, start of period |  |  |  | 1 | 1
Consumer lending | HELOCs | Cumulative Effect, Period of Adoption, Adjusted Balance |  |  |  |  |
Allowance for loan losses |  |  |  |  |
Allowance for loan losses, start of period |  |  |  | 4,476 | 4,476
Consumer lending | Other consumer |  |  |  |  |
Allowance for loan losses |  |  |  |  |
Allowance for loan losses, start of period | 1,577 | 1,260 | 1,657 | 1,560 | 1,560
Provision for (reversal of) credit losses on loans | 67 | 456 | 175 | 244 |
Gross charge-offs | (149) | (13) | (337) | (101) |
Gross recoveries | 0 | 0 | 0 | 0 |
Total net (charge-offs) recoveries | (149) | (13) | (337) | (101) |
Foreign currency translation adjustment | 0 | 0 | 0 | 0 |
Allowance for loan losses, end of period | $ 1,495 | $ 1,703 | $ 1,495 | 1,703 | 1,657
Consumer lending | Other consumer | Cumulative Effect, Period Of Adoption, Adjustment | Accounting Standards Update 2022-02 |  |  |  |  |
Allowance for loan losses |  |  |  |  |
Allowance for loan losses, start of period |  |  |  | 0 | 0
Consumer lending | Other consumer | Cumulative Effect, Period of Adoption, Adjusted Balance |  |  |  |  |
Allowance for loan losses |  |  |  |  |
Allowance for loan losses, start of period |  |  |  | $ 1,560 | $ 1,560

X
- Definition Amount excluding accrued interest, of allowance for credit loss on financing receivable. Excludes net investment in lease. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 326 -SubTopic 20 -Name Accounting Standards Codification -Section 45 -Paragraph 1 -Publisher FASB -URI https://asc.fasb.org/1943274/2147479344/326-20-45-1 + Details
Name: | us-gaap_FinancingReceivableAllowanceForCreditLossExcludingAccruedInterest
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Amount, excluding accrued interest, of foreign currency translation gain (loss) which decreases (increases) allowance for credit loss on financing receivable. Excludes net investment in lease. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 326 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 13 -Publisher FASB -URI https://asc.fasb.org/1943274/2147479319/326-20-50-13 + Details
Name: | us-gaap_FinancingReceivableExcludingAccruedInterestAllowanceForCreditLossForeignCurrencyTranslation
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Amount, excluding accrued interest, of increase in allowance for credit loss on financing receivable from recovery. 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 13 -Subparagraph (e) -Publisher FASB -URI https://asc.fasb.org/1943274/2147479319/326-20-50-13 + Details
Name: | us-gaap_FinancingReceivableExcludingAccruedInterestAllowanceForCreditLossRecovery
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period. + References No definition available. + Details
Name: | us-gaap_FinancingReceivableExcludingAccruedInterestAllowanceForCreditLossRollForward
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Amount, excluding accrued interest, of decrease in allowance for credit loss on financing receivable from writeoff. 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 6 -Publisher FASB -URI https://asc.fasb.org/1943274/2147479319/326-20-50-6 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 326 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 13 -Subparagraph (d) -Publisher FASB -URI https://asc.fasb.org/1943274/2147479319/326-20-50-13 + Details
Name: | us-gaap_FinancingReceivableExcludingAccruedInterestAllowanceForCreditLossWriteoff
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Amount, excluding accrued interest, of decrease (increase) in allowance for credit loss on financing receivable from writeoff (recovery). Excludes net investment in lease. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 326 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 13 -Publisher FASB -URI https://asc.fasb.org/1943274/2147479319/326-20-50-13 + Details
Name: | us-gaap_FinancingReceivableExcludingAccruedInterestAllowanceForCreditLossWriteoffAfterRecovery
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Amount, excluding accrued interest, of credit loss expense (reversal of expense) on financing receivable. 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 13 -Subparagraph (b) -Publisher FASB -URI https://asc.fasb.org/1943274/2147479319/326-20-50-13 + Details
Name: | us-gaap_FinancingReceivableExcludingAccruedInterestCreditLossExpenseReversal
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Details
Name: | srt_CumulativeEffectPeriodOfAdoptionAxis=srt_CumulativeEffectPeriodOfAdoptionAdjustmentMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_AdjustmentsForNewAccountingPronouncementsAxis=us-gaap_AccountingStandardsUpdate202202Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_CumulativeEffectPeriodOfAdoptionAxis=srt_CumulativeEffectPeriodOfAdoptionAdjustedBalanceMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

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: |

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