XML 135 R92.htm IDEA: XBRL DOCUMENT
v2.4.0.8

NON-COVERED LOANS AND ALLOWANCE FOR LOAN LOSSES (Details 4) (USD $) | 12 Months Ended
--- | ---
Dec. 31, 2013 item | Dec. 31, 2012 item
Credit Quality Indicators |  |
Number of grades in the risk rating system utilized by the company to rate credit risk of loans receivable | 8 |
Increase (decrease) in non-covered loans graded Substandard | $ 29,300,000 |
Percentage increase (decrease) in non-covered loans graded Substandard | 6.00% |
Number of doubtful or loss grade loans | 0 | 0
Credit quality indicator disclosures |  |
Loans receivable, excluding covered loans, gross | 15,678,317,000 | 11,958,873,000
Pass/Watch |  |
Credit quality indicator disclosures |  |
Loans receivable, excluding covered loans, gross | 14,991,479,000 | 11,253,469,000
Special Mention |  |
Credit quality indicator disclosures |  |
Loans receivable, excluding covered loans, gross | 197,284,000 | 186,560,000
Substandard |  |
Credit quality indicator disclosures |  |
Loans receivable, excluding covered loans, gross | 489,554,000 | 518,844,000
Residential |  |
Credit quality indicator disclosures |  |
Loans receivable, excluding covered loans, gross | 4,185,309,000 | 3,088,031,000
Residential | Residential Single-family |  |
Credit quality indicator disclosures |  |
Loans receivable, excluding covered loans, gross | 3,192,875,000 | 2,187,323,000
Residential | Residential Single-family | Pass/Watch |  |
Credit quality indicator disclosures |  |
Loans receivable, excluding covered loans, gross | 3,167,337,000 | 2,163,918,000
Residential | Residential Single-family | Special Mention |  |
Credit quality indicator disclosures |  |
Loans receivable, excluding covered loans, gross | 8,331,000 | 5,131,000
Residential | Residential Single-family | Substandard |  |
Credit quality indicator disclosures |  |
Loans receivable, excluding covered loans, gross | 17,207,000 | 18,274,000
Residential | Residential Multifamily |  |
Credit quality indicator disclosures |  |
Loans receivable, excluding covered loans, gross | 992,434,000 | 900,708,000
Residential | Residential Multifamily | Pass/Watch |  |
Credit quality indicator disclosures |  |
Loans receivable, excluding covered loans, gross | 923,697,000 | 781,552,000
Residential | Residential Multifamily | Special Mention |  |
Credit quality indicator disclosures |  |
Loans receivable, excluding covered loans, gross | 1,634,000 | 13,510,000
Residential | Residential Multifamily | Substandard |  |
Credit quality indicator disclosures |  |
Loans receivable, excluding covered loans, gross | 67,103,000 | 105,646,000
Commercial Real Estate ("CRE") |  |
Credit quality indicator disclosures |  |
Loans receivable, excluding covered loans, gross | 4,585,077,000 | 3,894,695,000
Commercial Real Estate ("CRE") | Income producing |  |
Credit quality indicator disclosures |  |
Loans receivable, excluding covered loans, gross | 4,301,030,000 | 3,644,035,000
Commercial Real Estate ("CRE") | Income producing | Pass/Watch |  |
Credit quality indicator disclosures |  |
Loans receivable, excluding covered loans, gross | 4,032,269,000 | 3,416,142,000
Commercial Real Estate ("CRE") | Income producing | Special Mention |  |
Credit quality indicator disclosures |  |
Loans receivable, excluding covered loans, gross | 56,752,000 | 42,222,000
Commercial Real Estate ("CRE") | Income producing | Substandard |  |
Credit quality indicator disclosures |  |
Loans receivable, excluding covered loans, gross | 212,009,000 | 185,671,000
Commercial Real Estate ("CRE") | Construction |  |
Credit quality indicator disclosures |  |
Loans receivable, excluding covered loans, gross | 140,186,000 | 121,589,000
Commercial Real Estate ("CRE") | Construction | Pass/Watch |  |
Credit quality indicator disclosures |  |
Loans receivable, excluding covered loans, gross | 127,138,000 | 63,008,000
Commercial Real Estate ("CRE") | Construction | Special Mention |  |
Credit quality indicator disclosures |  |
Loans receivable, excluding covered loans, gross | 6,160,000 | 16,885,000
Commercial Real Estate ("CRE") | Construction | Substandard |  |
Credit quality indicator disclosures |  |
Loans receivable, excluding covered loans, gross | 6,888,000 | 41,696,000
Commercial Real Estate ("CRE") | Land |  |
Credit quality indicator disclosures |  |
Loans receivable, excluding covered loans, gross | 143,861,000 | 129,071,000
Commercial Real Estate ("CRE") | Land | Pass/Watch |  |
Credit quality indicator disclosures |  |
Loans receivable, excluding covered loans, gross | 116,000,000 | 79,085,000
Commercial Real Estate ("CRE") | Land | Special Mention |  |
Credit quality indicator disclosures |  |
Loans receivable, excluding covered loans, gross | 9,304,000 | 13,232,000
Commercial Real Estate ("CRE") | Land | Substandard |  |
Credit quality indicator disclosures |  |
Loans receivable, excluding covered loans, gross | 18,557,000 | 36,754,000
Commercial and Industrial ("C&I") |  |
Credit quality indicator disclosures |  |
Loans receivable, excluding covered loans, gross | 5,360,193,000 | 4,231,265,000
Commercial and Industrial ("C&I") | Commercial Business |  |
Credit quality indicator disclosures |  |
Loans receivable, excluding covered loans, gross | 4,637,056,000 | 3,569,388,000
Commercial and Industrial ("C&I") | Commercial Business | Pass/Watch |  |
Credit quality indicator disclosures |  |
Loans receivable, excluding covered loans, gross | 4,400,847,000 | 3,380,212,000
Commercial and Industrial ("C&I") | Commercial Business | Special Mention |  |
Credit quality indicator disclosures |  |
Loans receivable, excluding covered loans, gross | 92,315,000 | 69,687,000
Commercial and Industrial ("C&I") | Commercial Business | Substandard |  |
Credit quality indicator disclosures |  |
Loans receivable, excluding covered loans, gross | 143,894,000 | 119,489,000
Commercial and Industrial ("C&I") | Trade finance |  |
Credit quality indicator disclosures |  |
Loans receivable, excluding covered loans, gross | 723,137,000 | 661,877,000
Commercial and Industrial ("C&I") | Trade finance | Pass/Watch |  |
Credit quality indicator disclosures |  |
Loans receivable, excluding covered loans, gross | 681,345,000 | 632,617,000
Commercial and Industrial ("C&I") | Trade finance | Special Mention |  |
Credit quality indicator disclosures |  |
Loans receivable, excluding covered loans, gross | 22,099,000 | 24,778,000
Commercial and Industrial ("C&I") | Trade finance | Substandard |  |
Credit quality indicator disclosures |  |
Loans receivable, excluding covered loans, gross | 19,693,000 | 4,482,000
Consumer |  |
Credit quality indicator disclosures |  |
Loans receivable, excluding covered loans, gross | 1,547,738,000 | 744,882,000
Consumer | Student loans |  |
Credit quality indicator disclosures |  |
Loans receivable, excluding covered loans, gross | 679,220,000 | 475,799,000
Consumer | Student loans | Pass/Watch |  |
Credit quality indicator disclosures |  |
Loans receivable, excluding covered loans, gross | 677,094,000 | 475,799,000
Consumer | Student loans | Special Mention |  |
Credit quality indicator disclosures |  |
Loans receivable, excluding covered loans, gross | 445,000 |
Consumer | Student loans | Substandard |  |
Credit quality indicator disclosures |  |
Loans receivable, excluding covered loans, gross | 1,681,000 |
Consumer | Other Consumer |  |
Credit quality indicator disclosures |  |
Loans receivable, excluding covered loans, gross | 868,518,000 | 269,083,000
Consumer | Other Consumer | Pass/Watch |  |
Credit quality indicator disclosures |  |
Loans receivable, excluding covered loans, gross | 865,752,000 | 261,136,000
Consumer | Other Consumer | Special Mention |  |
Credit quality indicator disclosures |  |
Loans receivable, excluding covered loans, gross | 244,000 | 1,115,000
Consumer | Other Consumer | Substandard |  |
Credit quality indicator disclosures |  |
Loans receivable, excluding covered loans, gross | $ 2,522,000 | $ 6,832,000

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

X
- Definition Increase (decrease) in the balance of non-covered loans graded Substandard and Doubtful. + References No definition available. + Details
Name: | ewbc_IncreaseDecreaseInNonCoveredLoansGradedSubstandardAndDoubtful
Namespace Prefix: | ewbc_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Reflects the gross carrying amount of all categories of non-covered loans held in portfolio. + References No definition available. + Details
Name: | ewbc_NoncoveredLoansReceivableGross
Namespace Prefix: | ewbc_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition The number of grades in the risk rating system utilized by the company to rate credit risk of loans receivable. Loans are risk rated based on analysis of the current state of the borrower's credit quality. Higher grades represent a higher level of credit risk. + References No definition available. + Details
Name: | ewbc_NumberOfGradesRiskRatingSystem
Namespace Prefix: | ewbc_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | instant

X
- Definition Represents the number of loss grade loans. + References No definition available. + Details
Name: | ewbc_NumberOfLossGradeLoans
Namespace Prefix: | ewbc_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | duration

X
- Definition Percentage increase (decrease) in the balance of non-covered loans graded Substandard and Doubtful. + References No definition available. + Details
Name: | ewbc_PercentageIncreaseDecreaseInNonCoveredLoansGradedSubstandardAndDoubtful
Namespace Prefix: | ewbc_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | instant

X
- Details
Name: | us-gaap_FinancingReceivableRecordedInvestmentLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration