XML 129 R110.htm IDEA: XBRL DOCUMENT
v3.3.1.900

INCOME TAXES (Details 2) - USD ($) $ in Thousands | Dec. 31, 2015 | Dec. 31, 2014
--- | --- | ---
Deferred tax liabilities: |  |
Core deposit intangibles | $ (16,204) | $ (20,261)
Fixed assets | (19,260) | (20,716)
FHLB stock | (2,847) | (6,539)
Deferred loan fees | (1,530) | (2,041)
Purchased loan discounts | 0 | (66)
State taxes | (912) | (8,244)
Gain from FDIC-assisted acquisition | 0 | (2,127)
Acquired debt | (2,932) | (868)
Acquired loans and OREO | (9,342) | 0
Other, net | (2,623) | (2,125)
Total gross deferred tax (liabilities) | (55,650) | (62,987)
Deferred tax assets: |  |
Tax credit and other investments (1) | 2,644 | 11,872
Allowance for loan losses and OREO reserves | 132,221 | 118,773
NOL carryforwards | 282 | 749
Deferred compensation | 27,512 | 21,290
Mortgage servicing assets | 1,118 | 3,305
Purchased loan premium | 220 | 376
Unrealized loss on securities | 5,964 | 55,375
FDIC receivable & clawback | 0 | 48,366
Acquired loans and OREO | 0 | 176,294
Nonaccrual interest income | 5,268 | 458
Other, net | 16,574 | 16,046
Total gross deferred tax assets (1) | 191,803 | 452,904
Valuation allowance | (282) | (316)
Net deferred tax assets (1) | 135,871 | 389,601
Federal |  |
Deferred tax liabilities: |  |
Core deposit intangibles | (12,588) | (15,748)
Fixed assets | (15,167) | (16,615)
FHLB stock | (2,229) | (5,064)
Deferred loan fees | (1,198) | (1,587)
Purchased loan discounts | 0 | (51)
State taxes | (912) | (8,244)
Gain from FDIC-assisted acquisition | 0 | (2,063)
Acquired debt | (2,295) | (2,237)
Acquired loans and OREO | (7,222) | 0
Other, net | (1,740) | (1,652)
Total gross deferred tax (liabilities) | (43,351) | (53,261)
Deferred tax assets: |  |
Tax credit and other investments (1) | (1,250) | 5,523
Allowance for loan losses and OREO reserves | 102,382 | 93,749
NOL carryforwards | 0 | 0
Deferred compensation | 21,484 | 16,505
Mortgage servicing assets | 875 | 2,570
Purchased loan premium | 172 | 292
Unrealized loss on securities | 4,685 | 42,737
FDIC receivable & clawback | 0 | 36,630
Acquired loans and OREO | 0 | 139,360
Nonaccrual interest income | 4,124 | 356
Other, net | 12,905 | 11,833
Total gross deferred tax assets (1) | 145,377 | 349,555
Valuation allowance | 0 | 0
Net deferred tax assets (1) | 102,026 | 296,294
State |  |
Deferred tax liabilities: |  |
Core deposit intangibles | (3,616) | (4,513)
Fixed assets | (4,093) | (4,101)
FHLB stock | (618) | (1,475)
Deferred loan fees | (332) | (454)
Purchased loan discounts | 0 | (15)
State taxes | 0 | 0
Gain from FDIC-assisted acquisition | 0 | (64)
Acquired debt | (637) | 1,369
Acquired loans and OREO | (1,714) | 0
Other, net | (883) | (473)
Total gross deferred tax (liabilities) | (11,893) | (9,726)
Deferred tax assets: |  |
Tax credit and other investments (1) | 3,894 | 6,349
Allowance for loan losses and OREO reserves | 28,686 | 23,615
NOL carryforwards | 282 | 749
Deferred compensation | 6,028 | 4,785
Mortgage servicing assets | 243 | 735
Purchased loan premium | 48 | 84
Unrealized loss on securities | 1,279 | 12,638
FDIC receivable & clawback | 0 | 11,736
Acquired loans and OREO | 0 | 36,678
Nonaccrual interest income | 1,144 | 102
Other, net | 3,573 | 4,116
Total gross deferred tax assets (1) | 45,177 | 101,587
Valuation allowance | (282) | (316)
Net deferred tax assets (1) | 33,002 | 91,545
Foreign |  |
Deferred tax liabilities: |  |
Core deposit intangibles | 0 | 0
Fixed assets | 0 | 0
FHLB stock | 0 | 0
Deferred loan fees | 0 | 0
Purchased loan discounts | 0 | 0
State taxes | 0 | 0
Gain from FDIC-assisted acquisition | 0 | 0
Acquired debt | 0 | 0
Acquired loans and OREO | (406) | 0
Other, net | 0 | 0
Total gross deferred tax (liabilities) | (406) | 0
Deferred tax assets: |  |
Tax credit and other investments (1) | 0 | 0
Allowance for loan losses and OREO reserves | 1,153 | 1,409
NOL carryforwards | 0 | 0
Deferred compensation | 0 | 0
Mortgage servicing assets | 0 | 0
Purchased loan premium | 0 | 0
Unrealized loss on securities | 0 | 0
FDIC receivable & clawback | 0 | 0
Acquired loans and OREO | 0 | 256
Nonaccrual interest income | 0 | 0
Other, net | 96 | 97
Total gross deferred tax assets (1) | 1,249 | 1,762
Valuation allowance | 0 | 0
Net deferred tax assets (1) | $ 843 | $ 1,762

X
- Definition The tax effect as of the balance sheet date of the amount of the estimated future tax deductions attributable to acquired loans and real estate owned, which can only be realized, if sufficient taxable income is generated in future periods to enable the deduction to be taken. + References No definition available. + Details
Name: | ewbc_DeferredTaxAssetsAcquiredLoansAndREOs
Namespace Prefix: | ewbc_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition The tax effect as of the balance sheet date of the amount of the estimated future tax deductions arising from affordable housing partnerships and other investments. + References No definition available. + Details
Name: | ewbc_DeferredTaxAssetsAffordableHousingPartnershipsAndOtherInvestments
Namespace Prefix: | ewbc_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition The tax effect as of the balance sheet date of the amount of the estimated future tax deductions arising from an FDIC receivable and clawback. + References No definition available. + Details
Name: | ewbc_DeferredTaxAssetsFDICReceivableAndClawback
Namespace Prefix: | ewbc_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Amount before allocation of valuation allowances of deferred tax asset attributable to taxable temporary differences from mortgage servicing rights. + References No definition available. + Details
Name: | ewbc_DeferredTaxAssetsMortgageServicingRights
Namespace Prefix: | ewbc_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Deferred Tax Assets, Nonaccrual Interest Income + References No definition available. + Details
Name: | ewbc_DeferredTaxAssetsNonaccrualInterestIncome
Namespace Prefix: | ewbc_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition The tax effect as of the balance sheet date of the amount of the estimated future tax deductions attributable to purchased loan premium, which can only be realized, if sufficient taxable income is generated in future periods to enable the deduction to be taken. + References No definition available. + Details
Name: | ewbc_DeferredTaxAssetsPurchasedLoanPremium
Namespace Prefix: | ewbc_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition The tax effect as of the balance sheet date of the amount of the estimated future tax deductions arising from the provision for loan losses and REO (Real Estate Owned) reserves, which can only be deducted for tax purposes when actual losses are incurred and which can only be realized, if sufficient tax-basis income is generated in future periods to enable the deduction to be taken. + References No definition available. + Details
Name: | ewbc_DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsProvisionForLoanLossesAndREOReserves
Namespace Prefix: | ewbc_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition The amount as of the balance sheet date of the estimated future tax effects attributable to investments in Federal Home Loan Bank stock. + References No definition available. + Details
Name: | ewbc_DeferredTaxLiabilitiesFederalHomeLoanBankStock
Namespace Prefix: | ewbc_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition The amount as of the balance sheet date of the estimated future tax effects attributable to purchased loan discounts. + References No definition available. + Details
Name: | ewbc_DeferredTaxLiabilitiesPurchasedLoanDiscounts
Namespace Prefix: | ewbc_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition The amount as of the balance sheet date of the estimated future tax effects attributable to Section 597 gain related to the tax treatment of federally assisted transactions. + References No definition available. + Details
Name: | ewbc_DeferredTaxLiabilitiesSection597Gain
Namespace Prefix: | ewbc_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition The amount as of the balance sheet date of the estimated future tax effects attributable to state taxes. + References No definition available. + Details
Name: | ewbc_DeferredTaxLiabilitiesStateTaxes
Namespace Prefix: | ewbc_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Deferred Tax Liability, Acquired Loans and OREOs + References No definition available. + Details
Name: | ewbc_DeferredTaxLiabilityAcquiredLoansandOREOs
Namespace Prefix: | ewbc_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

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

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

X
- Definition Amount of deferred tax liability attributable to taxable temporary differences. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Deferred Tax Liability -URI http://asc.fasb.org/extlink&oid=6510232 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=6907707&loc=d3e32537-109319 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 03 -Paragraph 15 -Subparagraph b(2) -Article 7 + Details
Name: | us-gaap_DeferredIncomeTaxLiabilities
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Amount before allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences and carryforwards. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=6907707&loc=d3e32537-109319 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Deferred Tax Asset -URI http://asc.fasb.org/extlink&oid=6510090 + Details
Name: | us-gaap_DeferredTaxAssetsGross
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Amount, after allocation of valuation allowances and deferred tax liability, of deferred tax asset attributable to deductible differences and carryforwards, before jurisdictional netting. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=6907707&loc=d3e32537-109319 + Details
Name: | us-gaap_DeferredTaxAssetsLiabilitiesNet
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Amount before allocation of valuation allowances of deferred tax asset attributable to deductible operating loss carryforwards. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 25 -Paragraph 20 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=51675352&loc=d3e28680-109314 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 6 -URI http://asc.fasb.org/extlink&oid=6907707&loc=d3e32621-109319 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 8 -URI http://asc.fasb.org/extlink&oid=6907707&loc=d3e32632-109319 + Details
Name: | us-gaap_DeferredTaxAssetsOperatingLossCarryforwards
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Amount before allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences not separately disclosed. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 6 -URI http://asc.fasb.org/extlink&oid=6907707&loc=d3e32621-109319 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 8 -URI http://asc.fasb.org/extlink&oid=6907707&loc=d3e32632-109319 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 25 -Paragraph 20 -URI http://asc.fasb.org/extlink&oid=51675352&loc=d3e28680-109314 + Details
Name: | us-gaap_DeferredTaxAssetsOther
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Amount before allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences from compensation and benefits costs. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 25 -Paragraph 20 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=51675352&loc=d3e28680-109314 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 6 -URI http://asc.fasb.org/extlink&oid=6907707&loc=d3e32621-109319 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 8 -URI http://asc.fasb.org/extlink&oid=6907707&loc=d3e32632-109319 + Details
Name: | us-gaap_DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefits
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Amount before allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences from unrealized losses on available-for-sale securities. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 6 -URI http://asc.fasb.org/extlink&oid=6907707&loc=d3e32621-109319 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 25 -Paragraph 20 -URI http://asc.fasb.org/extlink&oid=51675352&loc=d3e28680-109314 + Details
Name: | us-gaap_DeferredTaxAssetsUnrealizedLossesOnAvailableforSaleSecuritiesGross
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Amount of deferred tax assets for which it is more likely than not that a tax benefit will not be realized. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=6907707&loc=d3e32537-109319 + Details
Name: | us-gaap_DeferredTaxAssetsValuationAllowance
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Amount of deferred tax liability attributable to taxable temporary differences from financing arrangements. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 6 -URI http://asc.fasb.org/extlink&oid=6907707&loc=d3e32621-109319 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 8 -URI http://asc.fasb.org/extlink&oid=6907707&loc=d3e32632-109319 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 25 -Paragraph 20 -URI http://asc.fasb.org/extlink&oid=51675352&loc=d3e28680-109314 + Details
Name: | us-gaap_DeferredTaxLiabilitiesFinancingArrangements
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Amount of deferred tax liability attributable to taxable temporary differences from intangible assets other than goodwill. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 8 -URI http://asc.fasb.org/extlink&oid=6907707&loc=d3e32632-109319 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 25 -Paragraph 20 -URI http://asc.fasb.org/extlink&oid=51675352&loc=d3e28680-109314 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 6 -URI http://asc.fasb.org/extlink&oid=6907707&loc=d3e32621-109319 + Details
Name: | us-gaap_DeferredTaxLiabilitiesGoodwillAndIntangibleAssetsIntangibleAssets
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Amount of deferred tax liability attributable to taxable temporary differences not separately disclosed. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 8 -URI http://asc.fasb.org/extlink&oid=6907707&loc=d3e32632-109319 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 25 -Paragraph 20 -URI http://asc.fasb.org/extlink&oid=51675352&loc=d3e28680-109314 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 6 -URI http://asc.fasb.org/extlink&oid=6907707&loc=d3e32621-109319 + Details
Name: | us-gaap_DeferredTaxLiabilitiesOther
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Amount of deferred tax liability attributable to taxable temporary differences from property, plant, and equipment. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 8 -URI http://asc.fasb.org/extlink&oid=6907707&loc=d3e32632-109319 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 6 -URI http://asc.fasb.org/extlink&oid=6907707&loc=d3e32621-109319 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 25 -Paragraph 20 -URI http://asc.fasb.org/extlink&oid=51675352&loc=d3e28680-109314 + Details
Name: | us-gaap_DeferredTaxLiabilitiesPropertyPlantAndEquipment
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Amount of deferred tax liability attributable to taxable temporary differences from tax deferred revenue or other income not separately disclosed. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 8 -URI http://asc.fasb.org/extlink&oid=6907707&loc=d3e32632-109319 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 25 -Paragraph 20 -URI http://asc.fasb.org/extlink&oid=51675352&loc=d3e28680-109314 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 6 -URI http://asc.fasb.org/extlink&oid=6907707&loc=d3e32621-109319 + Details
Name: | us-gaap_DeferredTaxLiabilitiesTaxDeferredIncome
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Details
Name: | us-gaap_IncomeTaxAuthorityAxis=us-gaap_DomesticCountryMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_IncomeTaxAuthorityAxis=us-gaap_StateAndLocalJurisdictionMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_IncomeTaxAuthorityAxis=us-gaap_ForeignCountryMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |