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CUSTOMER DEPOSIT ACCOUNTS (Details 2) (USD $) In Thousands, unless otherwise specified | Dec. 31, 2014 | Dec. 31, 2013
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Scheduled maturities of time deposits, $100,000 or Greater |  |
2015 | $ 3,513,958 ewbc_TimeDeposits100000OrMoreMaturitiesYearOne |
2016 | 318,791 ewbc_TimeDeposits100000OrMoreMaturitiesYearTwo |
2017 | 189,195 ewbc_TimeDeposits100000OrMoreMaturitiesYearThree |
2018 | 168,252 ewbc_TimeDeposits100000OrMoreMaturitiesYearFour |
2019 | 142,492 ewbc_TimeDeposits100000OrMoreMaturitiesYearFive |
Thereafter | 118,005 ewbc_TimeDeposits100000OrMoreMaturitiesAfterYearFive |
Total | 4,450,693 us-gaap_TimeDeposits100000OrMore | 4,145,498 us-gaap_TimeDeposits100000OrMore
Scheduled maturities of time deposits, Less than $100,000 |  |
2015 | 1,397,648 ewbc_TimeDepositsLessThan100000MaturitiesYearOne |
2016 | 164,061 ewbc_TimeDepositsLessThan100000MaturitiesYearTwo |
2017 | 44,944 ewbc_TimeDepositsLessThan100000MaturitiesYearThree |
2018 | 34,579 ewbc_TimeDepositsLessThan100000MaturitiesYearFour |
2019 | 20,782 ewbc_TimeDepositsLessThan100000MaturitiesYearFive |
Thereafter | 32 ewbc_TimeDepositsLessThan100000MaturitiesAfterYearFive |
Total | 1,662,046 us-gaap_TimeDepositsLessThan100000 | 1,678,850 us-gaap_TimeDepositsLessThan100000
Total |  |
2015 | 4,911,606 us-gaap_TimeDepositMaturitiesYearOne |
2016 | 482,852 us-gaap_TimeDepositMaturitiesYearTwo |
2017 | 234,139 us-gaap_TimeDepositMaturitiesYearThree |
2018 | 202,831 us-gaap_TimeDepositMaturitiesYearFour |
2019 | 163,274 us-gaap_TimeDepositMaturitiesYearFive |
Thereafter | 118,037 us-gaap_TimeDepositMaturitiesAfterYearFive |
Total time deposits | $ 6,112,739 us-gaap_TimeDeposits | $ 5,824,348 us-gaap_TimeDeposits

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- Definition Amount of time deposits in denominations of 100,000 dollars or more, maturing after the fifth fiscal year following the latest fiscal year. Time deposits include, but are not limited to, certificates of deposits, individual retirement accounts and open accounts. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date. + References No definition available. + Details
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- Definition Amount of time deposits in denominations of 100,000 dollars or more, maturing in the fifth fiscal year following the latest fiscal year. Time deposits include, but are not limited to, certificates of deposits, individual retirement accounts and open accounts. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date. + References No definition available. + Details
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- Definition Amount of time deposits in denominations of 100,000 dollars or more, maturing in the fourth fiscal year following the latest fiscal year. Time deposits include, but are not limited to, certificates of deposits, individual retirement accounts and open accounts. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date. + References No definition available. + Details
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- Definition Amount of time deposits in denominations of 100,000 dollars or more, maturing in the third fiscal year following the latest fiscal year. Time deposits include, but are not limited to, certificates of deposits, individual retirement accounts and open accounts. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date. + References No definition available. + Details
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- Definition Amount of time deposits that total to less than 100,000 dollars, maturing in the fifth fiscal year following the latest fiscal year. Time deposits include, but are not limited to, certificates of deposits, individual retirement accounts and open accounts. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date. + References No definition available. + Details
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- Definition Amount of time deposits maturing after the fifth fiscal year following the latest fiscal year. Time deposits include, but are not limited to, certificates of deposits. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 470 -SubTopic 10 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6802200&loc=d3e1835-112601 + Details
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- Definition Amount of deposits that cannot be withdrawn before a set date without penalty or for which notice of withdrawal is required. Time deposits include, but are not limited to, certificates of deposits, individual retirement accounts and open accounts. + 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 210.9-03.12) -URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 03 -Paragraph 12 -Article 9 + Details
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- Definition The aggregate amount of domestic or foreign time deposits (including certificates of deposits, individual retirement accounts and open accounts) that total to less than $100,000. + References No definition available. + Details
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