XML 26 R78.htm IDEA: XBRL DOCUMENT v2.4.1.9
DERIVATIVES (Details 5) (USD $)
In Thousands, unless otherwise specified
Dec. 31, 2014
Dec. 31, 2013
Counterparties assets    
Assets, Derivatives    
Gross Amounts of Recognized Assets $ 12,396us-gaap_DerivativeFairValueOfDerivativeAsset
/ us-gaap_CounterpartyNameAxis
= ewbc_CounterpartiesAssetsMember
$ 16,043us-gaap_DerivativeFairValueOfDerivativeAsset
/ us-gaap_CounterpartyNameAxis
= ewbc_CounterpartiesAssetsMember
Gross Amounts Offset On the Consolidated Balance Sheet 0us-gaap_DerivativeAssetFairValueGrossLiabilityAndObligationToReturnCashOffset
/ us-gaap_CounterpartyNameAxis
= ewbc_CounterpartiesAssetsMember
0us-gaap_DerivativeAssetFairValueGrossLiabilityAndObligationToReturnCashOffset
/ us-gaap_CounterpartyNameAxis
= ewbc_CounterpartiesAssetsMember
Net Amounts of Assets Presented 12,396us-gaap_DerivativeAssets
/ us-gaap_CounterpartyNameAxis
= ewbc_CounterpartiesAssetsMember
16,043us-gaap_DerivativeAssets
/ us-gaap_CounterpartyNameAxis
= ewbc_CounterpartiesAssetsMember
Gross Amounts Not Offset    
Financial Instruments (5,725)us-gaap_DerivativeAssetNotOffsetPolicyElectionDeduction
/ us-gaap_CounterpartyNameAxis
= ewbc_CounterpartiesAssetsMember
[1] (11,363)us-gaap_DerivativeAssetNotOffsetPolicyElectionDeduction
/ us-gaap_CounterpartyNameAxis
= ewbc_CounterpartiesAssetsMember
[1]
Collateral Received (3,463)ewbc_DerivativeCollateralObligationToReturnCollateral
/ us-gaap_CounterpartyNameAxis
= ewbc_CounterpartiesAssetsMember
[2] (4,680)ewbc_DerivativeCollateralObligationToReturnCollateral
/ us-gaap_CounterpartyNameAxis
= ewbc_CounterpartiesAssetsMember
[2]
Net Amount 3,208us-gaap_DerivativeFairValueOfDerivativeAssetAmountOffsetAgainstCollateral
/ us-gaap_CounterpartyNameAxis
= ewbc_CounterpartiesAssetsMember
 
Counterparties liabilities    
Liabilities, Derivatives    
Gross Amounts of Recognized Liabilities 56,505us-gaap_DerivativeFairValueOfDerivativeLiability
/ us-gaap_CounterpartyNameAxis
= ewbc_CounterpartiesLiabilitiesMember
33,849us-gaap_DerivativeFairValueOfDerivativeLiability
/ us-gaap_CounterpartyNameAxis
= ewbc_CounterpartiesLiabilitiesMember
Gross Amounts Offset On the Consolidated Balance Sheet 0us-gaap_DerivativeLiabilityFairValueGrossAssetAndRightToReclaimCashOffset
/ us-gaap_CounterpartyNameAxis
= ewbc_CounterpartiesLiabilitiesMember
0us-gaap_DerivativeLiabilityFairValueGrossAssetAndRightToReclaimCashOffset
/ us-gaap_CounterpartyNameAxis
= ewbc_CounterpartiesLiabilitiesMember
Net Amounts of Liabilities Presented 56,505us-gaap_DerivativeLiabilities
/ us-gaap_CounterpartyNameAxis
= ewbc_CounterpartiesLiabilitiesMember
33,849us-gaap_DerivativeLiabilities
/ us-gaap_CounterpartyNameAxis
= ewbc_CounterpartiesLiabilitiesMember
Gross Amounts Not Offset    
Financial Instruments (5,725)us-gaap_DerivativeLiabilityNotOffsetPolicyElectionDeduction
/ us-gaap_CounterpartyNameAxis
= ewbc_CounterpartiesLiabilitiesMember
[1] (11,363)us-gaap_DerivativeLiabilityNotOffsetPolicyElectionDeduction
/ us-gaap_CounterpartyNameAxis
= ewbc_CounterpartiesLiabilitiesMember
[1]
Collateral Posted (49,951)ewbc_DerivativeCollateralRightToReclaimCollateral
/ us-gaap_CounterpartyNameAxis
= ewbc_CounterpartiesLiabilitiesMember
[3] (22,486)ewbc_DerivativeCollateralRightToReclaimCollateral
/ us-gaap_CounterpartyNameAxis
= ewbc_CounterpartiesLiabilitiesMember
[3]
Net Amount $ 829us-gaap_DerivativeFairValueOfDerivativeLiabilityAmountOffsetAgainstCollateral
/ us-gaap_CounterpartyNameAxis
= ewbc_CounterpartiesLiabilitiesMember
 
[1] Represents the netting of derivative receivable and payable balance for the same counterparty under enforceable master netting arrangements if the Company has elected to net.
[2] Represents cash and securities received against derivative assets with the same counterparty that are subject to enforceable master netting arrangements. Includes approximately $3.5 million of cash collateral received as of December 31, 2014.
[3] Represents cash and securities pledged against derivative liabilities with the same counterparty th tare subject to enforceable master netting arrangements. Includes approximately $12.8 million and $187 thousand of cash collateral posted as of December 31, 2014 and December 31, 2013, respectively.