XML 91 R41.htm IDEA: XBRL DOCUMENT
v3.2.0.727

FAIR VALUE MEASUREMENT AND FAIR VALUE OF FINANCIAL INSTRUMENTS (Details 5) - Fair Value, Measurements, Nonrecurring - USD ($) $ in Thousands | Jun. 30, 2015 | Dec. 31, 2014
--- | --- | ---
Fair Value, Assets Measured on a Nonrecurring Basis |  |
OREO | $ 3,848 | $ 17,521
Loans held for sale | 33,719 |
Loans Receivable | Non-PCI loans |  |
Fair Value, Assets Measured on a Nonrecurring Basis |  |
Impaired loans | 73,491 | 67,811
Loans Receivable | Non-PCI loans | CRE |  |
Fair Value, Assets Measured on a Nonrecurring Basis |  |
Impaired loans | 14,641 | 26,089
Loans Receivable | Non-PCI loans | C&I |  |
Fair Value, Assets Measured on a Nonrecurring Basis |  |
Impaired loans | 43,138 | 16,581
Loans Receivable | Non-PCI loans | Residential |  |
Fair Value, Assets Measured on a Nonrecurring Basis |  |
Impaired loans | 15,104 | 25,034
Loans Receivable | Non-PCI loans | Consumer |  |
Fair Value, Assets Measured on a Nonrecurring Basis |  |
Impaired loans | 608 | 107
Significant Other Observable Inputs (Level 2) |  |
Fair Value, Assets Measured on a Nonrecurring Basis |  |
Loans held for sale | 33,719 |
Significant Unobservable Inputs (Level 3) |  |
Fair Value, Assets Measured on a Nonrecurring Basis |  |
OREO | 3,848 | 17,521
Significant Unobservable Inputs (Level 3) | Loans Receivable | Non-PCI loans |  |
Fair Value, Assets Measured on a Nonrecurring Basis |  |
Impaired loans | 73,491 | 67,811
Significant Unobservable Inputs (Level 3) | Loans Receivable | Non-PCI loans | CRE |  |
Fair Value, Assets Measured on a Nonrecurring Basis |  |
Impaired loans | 14,641 | 26,089
Significant Unobservable Inputs (Level 3) | Loans Receivable | Non-PCI loans | C&I |  |
Fair Value, Assets Measured on a Nonrecurring Basis |  |
Impaired loans | 43,138 | 16,581
Significant Unobservable Inputs (Level 3) | Loans Receivable | Non-PCI loans | Residential |  |
Fair Value, Assets Measured on a Nonrecurring Basis |  |
Impaired loans | 15,104 | 25,034
Significant Unobservable Inputs (Level 3) | Loans Receivable | Non-PCI loans | Consumer |  |
Fair Value, Assets Measured on a Nonrecurring Basis |  |
Impaired loans | $ 608 | $ 107

X
- Definition Fair value portion of other real estate owned. + References No definition available. + Details
Name: | ewbc_OtherRealEstateOwnedFairValueDisclosure
Namespace Prefix: | ewbc_
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 No definition available. + Details
Name: | us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Fair value portion of loans held-for-sale including, but not limited to, mortgage loans and finance receivables. + References No definition available. + Details
Name: | us-gaap_LoansHeldForSaleFairValueDisclosure
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Fair value portion of loan receivable, including, but not limited to, mortgage loans held for investment, finance receivables held for investment, policy loans on insurance contracts. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Glossary Loan -URI http://asc.fasb.org/extlink&oid=6517073 + Details
Name: | us-gaap_LoansReceivableFairValueDisclosure
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Details
Name: | us-gaap_FairValueByMeasurementFrequencyAxis=us-gaap_FairValueMeasurementsNonrecurringMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

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: | ewbc_FinancingReceivablePortfolioSegmentAxis=us-gaap_CommercialRealEstatePortfolioSegmentMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

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

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

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

X
- Details
Name: | us-gaap_FairValueByFairValueHierarchyLevelAxis=us-gaap_FairValueInputsLevel2Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FairValueByFairValueHierarchyLevelAxis=us-gaap_FairValueInputsLevel3Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |