XML 76 R65.htm IDEA: XBRL DOCUMENT
v3.5.0.2

LOANS RECEIVABLE AND ALLOWANCE FOR CREDIT LOSSES (Details 9) - Loans Receivable - Non-PCI Loans - USD ($) $ in Thousands | 3 Months Ended | 9 Months Ended |
--- | --- | --- | ---
Sep. 30, 2016 | Sep. 30, 2015 | Sep. 30, 2016 | Sep. 30, 2015 | Dec. 31, 2015
Impaired loans disclosures |  |  |  |  |
Unpaid Principal Balance | $ 220,884 |  | $ 220,884 |  | $ 184,401
Recorded Investment With No Allowance | 86,887 |  | 86,887 |  | 77,369
Recorded Investment With Allowance | 93,095 |  | 93,095 |  | 85,837
Total Recorded Investment | 179,982 |  | 179,982 |  | 163,206
Related Allowance | 4,950 |  | 4,950 |  | 20,338
Average Recorded Investment | 194,172 | $ 178,661 | 197,125 | $ 182,317 |
Recognized Interest Income | 929 | 609 | 2,707 | 1,867 |
CRE | Income producing |  |  |  |  |
Impaired loans disclosures |  |  |  |  |
Unpaid Principal Balance | 59,227 |  | 59,227 |  | 47,043
Recorded Investment With No Allowance | 31,493 |  | 31,493 |  | 24,347
Recorded Investment With Allowance | 19,703 |  | 19,703 |  | 15,720
Total Recorded Investment | 51,196 |  | 51,196 |  | 40,067
Related Allowance | 507 |  | 507 |  | 3,148
Average Recorded Investment | 52,020 | 43,227 | 52,130 | 45,154 |
Recognized Interest Income | 464 | 130 | 1,368 | 393 |
CRE | Construction |  |  |  |  |
Impaired loans disclosures |  |  |  |  |
Unpaid Principal Balance | 0 |  | 0 |  | 66
Recorded Investment With No Allowance | 0 |  | 0 |  | 0
Recorded Investment With Allowance | 0 |  | 0 |  | 14
Total Recorded Investment | 0 |  | 0 |  | 14
Related Allowance | 0 |  | 0 |  | 1
Average Recorded Investment | 0 | 759 | 0 | 695 |
Recognized Interest Income | 0 | 0 | 0 | 0 |
CRE | Land |  |  |  |  |
Impaired loans disclosures |  |  |  |  |
Unpaid Principal Balance | 6,886 |  | 6,886 |  | 1,537
Recorded Investment With No Allowance | 5,226 |  | 5,226 |  | 632
Recorded Investment With Allowance | 1,081 |  | 1,081 |  | 683
Total Recorded Investment | 6,307 |  | 6,307 |  | 1,315
Related Allowance | 72 |  | 72 |  | 118
Average Recorded Investment | 6,562 | 3,957 | 6,721 | 4,796 |
Recognized Interest Income | 9 | 10 | 26 | 30 |
C&I | Commercial business |  |  |  |  |
Impaired loans disclosures |  |  |  |  |
Unpaid Principal Balance | 109,416 |  | 109,416 |  | 81,720
Recorded Investment With No Allowance | 28,316 |  | 28,316 |  | 31,045
Recorded Investment With Allowance | 53,453 |  | 53,453 |  | 40,111
Total Recorded Investment | 81,769 |  | 81,769 |  | 71,156
Related Allowance | 3,798 |  | 3,798 |  | 15,993
Average Recorded Investment | 91,015 | 75,655 | 92,531 | 75,951 |
Recognized Interest Income | 258 | 161 | 648 | 489 |
C&I | Trade finance |  |  |  |  |
Impaired loans disclosures |  |  |  |  |
Unpaid Principal Balance | 6,080 |  | 6,080 |  | 10,675
Recorded Investment With No Allowance | 4,361 |  | 4,361 |  | 0
Recorded Investment With Allowance | 655 |  | 655 |  | 10,675
Total Recorded Investment | 5,016 |  | 5,016 |  | 10,675
Related Allowance | 3 |  | 3 |  | 95
Average Recorded Investment | 9,004 | 11,285 | 10,028 | 11,584 |
Recognized Interest Income | 33 | 50 | 166 | 185 |
Residential | Real estate loan | Single-family |  |  |  |  |
Impaired loans disclosures |  |  |  |  |
Unpaid Principal Balance | 14,825 |  | 14,825 |  | 16,486
Recorded Investment With No Allowance | 1,842 |  | 1,842 |  | 4,401
Recorded Investment With Allowance | 11,439 |  | 11,439 |  | 10,611
Total Recorded Investment | 13,281 |  | 13,281 |  | 15,012
Related Allowance | 310 |  | 310 |  | 584
Average Recorded Investment | 13,410 | 18,192 | 13,489 | 18,338 |
Recognized Interest Income | 72 | 68 | 220 | 205 |
Residential | Real estate loan | Multifamily |  |  |  |  |
Impaired loans disclosures |  |  |  |  |
Unpaid Principal Balance | 22,894 |  | 22,894 |  | 25,634
Recorded Investment With No Allowance | 15,649 |  | 15,649 |  | 16,944
Recorded Investment With Allowance | 5,208 |  | 5,208 |  | 6,783
Total Recorded Investment | 20,857 |  | 20,857 |  | 23,727
Related Allowance | 217 |  | 217 |  | 339
Average Recorded Investment | 20,594 | 24,338 | 20,654 | 24,546 |
Recognized Interest Income | 77 | 178 | 231 | 530 |
Consumer |  |  |  |  |
Impaired loans disclosures |  |  |  |  |
Unpaid Principal Balance | 1,556 |  | 1,556 |  | 1,240
Recorded Investment With No Allowance | 0 |  | 0 |  | 0
Recorded Investment With Allowance | 1,556 |  | 1,556 |  | 1,240
Total Recorded Investment | 1,556 |  | 1,556 |  | 1,240
Related Allowance | 43 |  | 43 |  | $ 60
Average Recorded Investment | 1,567 | 1,248 | 1,572 | 1,253 |
Recognized Interest Income | $ 16 | $ 12 | $ 48 | $ 35 |

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 No definition available. + Details
Name: | us-gaap_FinancingReceivableImpairedLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Average amount of investment of impaired financing receivables with related allowance for credit losses and without a related allowance for credit losses. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 15 -Subparagraph (c)(1) -URI http://asc.fasb.org/extlink&oid=49124121&loc=d3e5212-111524 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 17 -URI http://asc.fasb.org/extlink&oid=49124121&loc=d3e5258-111524 + Details
Name: | us-gaap_ImpairedFinancingReceivableAverageRecordedInvestment
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Amount of interest income recognized that the financing receivables (with related allowance for credit losses and without a related allowance for credit losses) were impaired. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 15 -Subparagraph (c)(2) -URI http://asc.fasb.org/extlink&oid=49124121&loc=d3e5212-111524 + Details
Name: | us-gaap_ImpairedFinancingReceivableInterestIncomeAccrualMethod
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Amount of investment of impaired financing receivables with related allowance for credit losses and without a related allowance for credit losses. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 14A -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=49124121&loc=SL6953550-111524 + Details
Name: | us-gaap_ImpairedFinancingReceivableRecordedInvestment
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Amount of allowance for credit losses related to recorded investment. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 15 -Subparagraph (a)(3) -URI http://asc.fasb.org/extlink&oid=49124121&loc=d3e5212-111524 + Details
Name: | us-gaap_ImpairedFinancingReceivableRelatedAllowance
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Amount of unpaid principal balance of impaired financing receivables with related allowance for credit losses and without related allowance for credit losses. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 15 -Subparagraph (a)(4) -URI http://asc.fasb.org/extlink&oid=49124121&loc=d3e5212-111524 + Details
Name: | us-gaap_ImpairedFinancingReceivableUnpaidPrincipalBalance
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Amount of investment in impaired financing receivables for which there is no related allowance for credit losses. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 14A -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=49124121&loc=SL6953550-111524 + Details
Name: | us-gaap_ImpairedFinancingReceivableWithNoRelatedAllowanceRecordedInvestment
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Amount of investment in impaired financing receivables for which there is a related allowance for credit losses. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 14A -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=49124121&loc=SL6953550-111524 + Details
Name: | us-gaap_ImpairedFinancingReceivableWithRelatedAllowanceRecordedInvestment
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Details
Name: | us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis=us-gaap_LoansReceivableMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FairValueByAssetClassAxis=ewbc_ReceivablesOriginatedOrAcquiredWithoutDeterioratedCreditQualityMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

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

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

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

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

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

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

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

X
- Details
Name: | us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis=us-gaap_SingleFamilyMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis=us-gaap_MultifamilyMember
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: |