XML 23 R73.htm IDEA: XBRL DOCUMENT
v2.4.0.8

NON-COVERED LOANS AND ALLOWANCE FOR LOAN LOSSES (Details 12) (USD $) In Thousands, unless otherwise specified | 3 Months Ended |
--- | --- | ---
Mar. 31, 2014 | Mar. 31, 2013 | Dec. 31, 2013
Allowance for loan losses disclosures |  |  |
Allowance on covered loans | $ 6,518 |  | $ 7,745
Percentage of allowance allocated to covered loans | 2.60% |  | 3.10%
Provision for covered loans | (1,021) | 5,089 |
Percentage of income from covered loans under loss-sharing agreements with the FDIC | 80.00% |  |
Covered loans accounted for under ASC 310-30 |  |  |
Allowance for loan losses disclosures |  |  |
Allowance on covered loans | 2,200 |  | 2,200
Covered loans accounted for under ASC 310-30 | Commercial Real Estate ("CRE") |  |  |
Allowance for loan losses disclosures |  |  |
Allowance on covered loans | 2,200 |  | 2,200
Specific covered loans outside of the scope of ASC 310-30 |  |  |
Allowance for loan losses disclosures |  |  |
Allowance on covered loans | 6,500 |  |
Allowance allocated to additional advances | 4,300 |  | 5,500
Percentage of allowance allocated to covered loans | 1.70% |  | 2.20%
Provision for covered loans | (954) | 3,100 |
Charge-offs | 206 | 132 |
Income from covered loans under loss-sharing agreements with the FDIC | 165 | 106 |
Percentage of income from covered loans under loss-sharing agreements with the FDIC | 80.00% | 80.00% | 80.00%
Net impact to earnings due to charge-offs | 41 | 26 |
Specific covered loans outside of the scope of ASC 310-30 | Commercial Real Estate ("CRE") |  |  |
Allowance for loan losses disclosures |  |  |
Allowance allocated to additional advances | 887 |  | 1,800
Specific covered loans outside of the scope of ASC 310-30 | Commercial and Industrial ("C&I") |  |  |
Allowance for loan losses disclosures |  |  |
Allowance allocated to additional advances | 2,900 |  | 3,200
Charge-offs |  | $ 132 |

X
- Definition Represents the amount guaranteed under loss-sharing agreements with the FDIC. + References No definition available. + Details
Name: | ewbc_AllowanceForLoanAndLeaseLossesProvisionForLossGrossGuaranteedByFDIC
Namespace Prefix: | ewbc_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Represents the net gain (loss) impact on earnings due to charge-offs partially reimbursed under shared loss agreements. + References No definition available. + Details
Name: | ewbc_GainLossDueToChargeOffs
Namespace Prefix: | ewbc_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Details
Name: | ewbc_LoansAndLeasesAllowanceForCreditLossesLineItems
Namespace Prefix: | ewbc_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Amount of allowance for loan and lease losses on additional advances included in covered loans outside the scope of ASC 310-30. + References No definition available. + Details
Name: | ewbc_LoansAndLeasesReceivableAllowanceCoveredAdditionalAdvances
Namespace Prefix: | ewbc_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition The percentage of allowance for loan losses that is allocated to covered loans at the end of the reporting period. + References No definition available. + Details
Name: | ewbc_PercentageOfAllowanceForLoanLossesAllocatedToCoveredLoans
Namespace Prefix: | ewbc_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | instant

X
- Definition The percentage of any reimbursable expense (chargeoffs, loan related expenses and OREO related expenses) that is recorded as noninterest income on the Condensed Consolidated Statement of Income. + References No definition available. + Details
Name: | ewbc_PercentageOfAnyReimbursableExpenseRecordedAsNoninterestIncome
Namespace Prefix: | ewbc_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | instant

X
- Definition Amount of expense related to covered loan transactions and lease transactions, credit loss from transactions other than loan and lease transactions, and other loss based on assessment of collectability from the counterparty to reduce the account to their net realizable value. + References No definition available. + Details
Name: | ewbc_ProvisionForLoanLeaseAndOtherLossesCovered
Namespace Prefix: | ewbc_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Amount of loans and leases that have been written off from both loan receivables and allowance reserve for credit loss. + 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) -URI http://asc.fasb.org/extlink&oid=28368275&loc=d3e5212-111524 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03.7(d)) -URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 03 -Paragraph 7 -Subparagraph d -Article 9 + Details
Name: | us-gaap_AllowanceForLoanAndLeaseLossesWriteOffs
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Amount of allowance for loan and lease losses covered by loss sharing agreements. + References No definition available. + Details
Name: | us-gaap_LoansAndLeasesReceivableAllowanceCovered
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant