XML 18 R78.htm IDEA: XBRL DOCUMENT v2.4.1.9
STOCKHOLDERS' EQUITY AND EARNINGS PER SHARE (Details 3)
In Thousands, unless otherwise specified
3 Months Ended
Mar. 31, 2015
Mar. 31, 2014
Stock options    
Antidilutive Securities Excluded from Computation of Earnings Per Share    
Excluded from the computation of diluted EPS (in shares)   81us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount
/ us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareByAntidilutiveSecuritiesAxis
= ewbc_EmployeeAndNonEmployeeStockOptionsMember
Restricted Stock Awards    
Antidilutive Securities Excluded from Computation of Earnings Per Share    
Excluded from the computation of diluted EPS (in shares) 170us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount
/ us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareByAntidilutiveSecuritiesAxis
= ewbc_RestrictedStockAwardsMember
168us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount
/ us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareByAntidilutiveSecuritiesAxis
= ewbc_RestrictedStockAwardsMember