XML 74 R63.htm IDEA: XBRL DOCUMENT
v3.7.0.1

Loans Receivable and Allowance for Credit Losses (Details 4) - Loans Receivable - USD ($) $ in Thousands | 6 Months Ended |
--- | --- | ---
Jun. 30, 2017 | Dec. 31, 2016
Nonaccrual and Past Due Loans |  |
Number of days beyond loan classified nonaccrual | 90 days |
Total loans | $ 27,210,666 | $ 25,503,139
CRE |  |
Nonaccrual and Past Due Loans |  |
Total loans | 9,125,849 | 8,690,863
CRE | Income producing |  |
Nonaccrual and Past Due Loans |  |
Total loans | 8,465,030 | 8,016,109
CRE | Construction |  |
Nonaccrual and Past Due Loans |  |
Total loans | 550,781 | 551,560
CRE | Land |  |
Nonaccrual and Past Due Loans |  |
Total loans | 110,038 | 123,194
C&I |  |
Nonaccrual and Past Due Loans |  |
Total loans | 10,187,349 | 9,640,563
C&I | Commercial business |  |
Nonaccrual and Past Due Loans |  |
Total loans | 9,424,236 | 8,959,633
C&I | Trade finance |  |
Nonaccrual and Past Due Loans |  |
Total loans | 763,113 | 680,930
Residential |  |
Nonaccrual and Past Due Loans |  |
Total loans | 5,774,229 | 5,095,718
Residential | Real estate loan | Single-family |  |
Nonaccrual and Past Due Loans |  |
Total loans | 4,001,488 | 3,509,779
Residential | Real estate loan | Multifamily |  |
Nonaccrual and Past Due Loans |  |
Total loans | 1,772,741 | 1,585,939
Consumer |  |
Nonaccrual and Past Due Loans |  |
Total loans | 2,123,239 | 2,075,995
Non-PCI Loans |  |
Nonaccrual and Past Due Loans |  |
Total Accruing Past Due Loans | 36,689 | 101,189
Total Nonaccrual Loans | 130,806 | 122,817
Current Accruing Loans | 26,477,716 | 24,636,688
Total loans | 26,645,211 | 24,860,694
Non-PCI Loans | CRE |  |
Nonaccrual and Past Due Loans |  |
Total loans | 8,801,059 | 8,340,497
Non-PCI Loans | CRE | Income producing |  |
Nonaccrual and Past Due Loans |  |
Total Accruing Past Due Loans | 5,477 | 20,313
Total Nonaccrual Loans | 25,975 | 26,907
Current Accruing Loans | 8,110,031 | 7,620,441
Total loans | 8,141,483 | 7,667,661
Non-PCI Loans | CRE | Construction |  |
Nonaccrual and Past Due Loans |  |
Total Accruing Past Due Loans | 0 | 4,994
Total Nonaccrual Loans | 0 | 0
Current Accruing Loans | 550,781 | 546,566
Total loans | 550,781 | 551,560
Non-PCI Loans | CRE | Land |  |
Nonaccrual and Past Due Loans |  |
Total Accruing Past Due Loans | 1,103 | 0
Total Nonaccrual Loans | 4,344 | 5,326
Current Accruing Loans | 103,348 | 115,950
Total loans | 108,795 | 121,276
Non-PCI Loans | C&I |  |
Nonaccrual and Past Due Loans |  |
Total loans | 10,166,688 | 9,602,176
Non-PCI Loans | C&I | Commercial business |  |
Nonaccrual and Past Due Loans |  |
Total Accruing Past Due Loans | 12,102 | 47,331
Total Nonaccrual Loans | 87,189 | 81,248
Current Accruing Loans | 9,304,284 | 8,792,667
Total loans | 9,403,575 | 8,921,246
Non-PCI Loans | C&I | Trade finance |  |
Nonaccrual and Past Due Loans |  |
Total Accruing Past Due Loans | 0 | 0
Total Nonaccrual Loans | 0 | 8
Current Accruing Loans | 763,113 | 680,922
Total loans | 763,113 | 680,930
Non-PCI Loans | Residential |  |
Nonaccrual and Past Due Loans |  |
Total loans | 5,570,781 | 4,860,954
Non-PCI Loans | Residential | Real estate loan | Single-family |  |
Nonaccrual and Past Due Loans |  |
Total Accruing Past Due Loans | 7,948 | 17,671
Total Nonaccrual Loans | 7,624 | 4,214
Current Accruing Loans | 3,858,231 | 3,348,784
Total loans | 3,873,803 | 3,370,669
Non-PCI Loans | Residential | Real estate loan | Multifamily |  |
Nonaccrual and Past Due Loans |  |
Total Accruing Past Due Loans | 3,979 | 4,325
Total Nonaccrual Loans | 2,678 | 2,984
Current Accruing Loans | 1,690,321 | 1,482,976
Total loans | 1,696,978 | 1,490,285
Non-PCI Loans | Consumer |  |
Nonaccrual and Past Due Loans |  |
Total Accruing Past Due Loans | 6,080 | 6,555
Total Nonaccrual Loans | 2,996 | 2,130
Current Accruing Loans | 2,097,607 | 2,048,382
Total loans | 2,106,683 | 2,057,067
Non-PCI Loans | Accruing Loans 30-59 Days Past Due |  |
Nonaccrual and Past Due Loans |  |
Total Accruing Past Due Loans | 20,210 | 73,152
Non-PCI Loans | Accruing Loans 30-59 Days Past Due | CRE | Income producing |  |
Nonaccrual and Past Due Loans |  |
Total Accruing Past Due Loans | 4,192 | 6,233
Non-PCI Loans | Accruing Loans 30-59 Days Past Due | CRE | Construction |  |
Nonaccrual and Past Due Loans |  |
Total Accruing Past Due Loans | 0 | 4,994
Non-PCI Loans | Accruing Loans 30-59 Days Past Due | CRE | Land |  |
Nonaccrual and Past Due Loans |  |
Total Accruing Past Due Loans | 1,103 | 0
Non-PCI Loans | Accruing Loans 30-59 Days Past Due | C&I | Commercial business |  |
Nonaccrual and Past Due Loans |  |
Total Accruing Past Due Loans | 2,976 | 45,052
Non-PCI Loans | Accruing Loans 30-59 Days Past Due | C&I | Trade finance |  |
Nonaccrual and Past Due Loans |  |
Total Accruing Past Due Loans | 0 | 0
Non-PCI Loans | Accruing Loans 30-59 Days Past Due | Residential | Real estate loan | Single-family |  |
Nonaccrual and Past Due Loans |  |
Total Accruing Past Due Loans | 4,581 | 9,595
Non-PCI Loans | Accruing Loans 30-59 Days Past Due | Residential | Real estate loan | Multifamily |  |
Nonaccrual and Past Due Loans |  |
Total Accruing Past Due Loans | 3,611 | 3,951
Non-PCI Loans | Accruing Loans 30-59 Days Past Due | Consumer |  |
Nonaccrual and Past Due Loans |  |
Total Accruing Past Due Loans | 3,747 | 3,327
Non-PCI Loans | Accruing Loans 60-89 Days Past Due |  |
Nonaccrual and Past Due Loans |  |
Total Accruing Past Due Loans | 16,479 | 28,037
Non-PCI Loans | Accruing Loans 60-89 Days Past Due | CRE | Income producing |  |
Nonaccrual and Past Due Loans |  |
Total Accruing Past Due Loans | 1,285 | 14,080
Non-PCI Loans | Accruing Loans 60-89 Days Past Due | CRE | Construction |  |
Nonaccrual and Past Due Loans |  |
Total Accruing Past Due Loans | 0 | 0
Non-PCI Loans | Accruing Loans 60-89 Days Past Due | CRE | Land |  |
Nonaccrual and Past Due Loans |  |
Total Accruing Past Due Loans | 0 | 0
Non-PCI Loans | Accruing Loans 60-89 Days Past Due | C&I | Commercial business |  |
Nonaccrual and Past Due Loans |  |
Total Accruing Past Due Loans | 9,126 | 2,279
Non-PCI Loans | Accruing Loans 60-89 Days Past Due | C&I | Trade finance |  |
Nonaccrual and Past Due Loans |  |
Total Accruing Past Due Loans | 0 | 0
Non-PCI Loans | Accruing Loans 60-89 Days Past Due | Residential | Real estate loan | Single-family |  |
Nonaccrual and Past Due Loans |  |
Total Accruing Past Due Loans | 3,367 | 8,076
Non-PCI Loans | Accruing Loans 60-89 Days Past Due | Residential | Real estate loan | Multifamily |  |
Nonaccrual and Past Due Loans |  |
Total Accruing Past Due Loans | 368 | 374
Non-PCI Loans | Accruing Loans 60-89 Days Past Due | Consumer |  |
Nonaccrual and Past Due Loans |  |
Total Accruing Past Due Loans | 2,333 | 3,228
Non-PCI Loans | Nonaccrual Loans Less Than 90 Days Past Due |  |
Nonaccrual and Past Due Loans |  |
Total Nonaccrual Loans | 56,425 | 78,779
Non-PCI Loans | Nonaccrual Loans Less Than 90 Days Past Due | CRE | Income producing |  |
Nonaccrual and Past Due Loans |  |
Total Nonaccrual Loans | 5,438 | 14,872
Non-PCI Loans | Nonaccrual Loans Less Than 90 Days Past Due | CRE | Construction |  |
Nonaccrual and Past Due Loans |  |
Total Nonaccrual Loans | 0 | 0
Non-PCI Loans | Nonaccrual Loans Less Than 90 Days Past Due | CRE | Land |  |
Nonaccrual and Past Due Loans |  |
Total Nonaccrual Loans | 21 | 433
Non-PCI Loans | Nonaccrual Loans Less Than 90 Days Past Due | C&I | Commercial business |  |
Nonaccrual and Past Due Loans |  |
Total Nonaccrual Loans | 49,899 | 60,511
Non-PCI Loans | Nonaccrual Loans Less Than 90 Days Past Due | C&I | Trade finance |  |
Nonaccrual and Past Due Loans |  |
Total Nonaccrual Loans | 0 | 8
Non-PCI Loans | Nonaccrual Loans Less Than 90 Days Past Due | Residential | Real estate loan | Single-family |  |
Nonaccrual and Past Due Loans |  |
Total Nonaccrual Loans | 0 | 0
Non-PCI Loans | Nonaccrual Loans Less Than 90 Days Past Due | Residential | Real estate loan | Multifamily |  |
Nonaccrual and Past Due Loans |  |
Total Nonaccrual Loans | 966 | 2,790
Non-PCI Loans | Nonaccrual Loans Less Than 90 Days Past Due | Consumer |  |
Nonaccrual and Past Due Loans |  |
Total Nonaccrual Loans | 101 | 165
Non-PCI Loans | Nonaccrual Loans 90 or More Days Past Due |  |
Nonaccrual and Past Due Loans |  |
Total Nonaccrual Loans | 74,381 | 44,038
Non-PCI Loans | Nonaccrual Loans 90 or More Days Past Due | CRE | Income producing |  |
Nonaccrual and Past Due Loans |  |
Total Nonaccrual Loans | 20,537 | 12,035
Non-PCI Loans | Nonaccrual Loans 90 or More Days Past Due | CRE | Construction |  |
Nonaccrual and Past Due Loans |  |
Total Nonaccrual Loans | 0 | 0
Non-PCI Loans | Nonaccrual Loans 90 or More Days Past Due | CRE | Land |  |
Nonaccrual and Past Due Loans |  |
Total Nonaccrual Loans | 4,323 | 4,893
Non-PCI Loans | Nonaccrual Loans 90 or More Days Past Due | C&I | Commercial business |  |
Nonaccrual and Past Due Loans |  |
Total Nonaccrual Loans | 37,290 | 20,737
Non-PCI Loans | Nonaccrual Loans 90 or More Days Past Due | C&I | Trade finance |  |
Nonaccrual and Past Due Loans |  |
Total Nonaccrual Loans | 0 | 0
Non-PCI Loans | Nonaccrual Loans 90 or More Days Past Due | Residential | Real estate loan | Single-family |  |
Nonaccrual and Past Due Loans |  |
Total Nonaccrual Loans | 7,624 | 4,214
Non-PCI Loans | Nonaccrual Loans 90 or More Days Past Due | Residential | Real estate loan | Multifamily |  |
Nonaccrual and Past Due Loans |  |
Total Nonaccrual Loans | 1,712 | 194
Non-PCI Loans | Nonaccrual Loans 90 or More Days Past Due | Consumer |  |
Nonaccrual and Past Due Loans |  |
Total Nonaccrual Loans | $ 2,895 | $ 1,965

X
- Definition The number of days a loan is past due and is placed on nonaccrual status. + References No definition available. + Details
Name: | ewbc_NumberOfDaysBeyondLoanClassifiedNonaccrual
Namespace Prefix: | ewbc_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

X
- Definition Financing receivables that are current. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 7A -URI http://asc.fasb.org/extlink&oid=66008989&loc=SL6953401-111524 + Details
Name: | us-gaap_FinancingReceivableRecordedInvestmentCurrent
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Recorded investment in financing receivables that are on nonaccrual status as of the balance sheet date. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Recorded Investment -URI http://asc.fasb.org/extlink&oid=65880944 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 7 -Subparagraph (d) -URI http://asc.fasb.org/extlink&oid=66008989&loc=d3e5111-111524 + Details
Name: | us-gaap_FinancingReceivableRecordedInvestmentNonaccrualStatus
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Recorded Investment in financing receivables that are past due at the balance sheet date. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Recorded Investment -URI http://asc.fasb.org/extlink&oid=65880944 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 7A -URI http://asc.fasb.org/extlink&oid=66008989&loc=SL6953401-111524 + Details
Name: | us-gaap_FinancingReceivableRecordedInvestmentPastDue
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 No definition available. + Details
Name: | us-gaap_FinancingReceivableRecordedInvestmentPastDueLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Amount representing an agreement for an unconditional promise by the maker to pay the entity (holder) a definite sum of money at a future date. Such amount may include accrued interest receivable in accordance with the terms of the note. The note also may contain provisions and related items including a discount or premium, payable on demand, secured, or unsecured, interest bearing or noninterest bearing, among a myriad of other features and characteristics. Excludes amounts related to receivables held-for-sale. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03.10(3)) -URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878 + Details
Name: | us-gaap_NotesReceivableGross
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_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: |

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

X
- Details
Name: | us-gaap_FinancingReceivablesPeriodPastDueAxis=us-gaap_FinancingReceivables30To59DaysPastDueMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancingReceivablesPeriodPastDueAxis=us-gaap_FinancingReceivables60To89DaysPastDueMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancingReceivablesPeriodPastDueAxis=ewbc_FinancingReceivables1To89DaysPastDueMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancingReceivablesPeriodPastDueAxis=us-gaap_FinancingReceivablesEqualToGreaterThan90DaysPastDueMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |