XML 51 R32.htm IDEA: XBRL DOCUMENT
v2.4.0.6

STOCKHOLDERS' EQUITY (Tables) | 3 Months Ended
--- | ---
Mar. 31, 2013
STOCKHOLDERS' EQUITY |
Earnings per share calculations |
|  | Three Months Ended March 31, 2013 |
|  | Net Income |  | Number of Shares |  | Per Share Amounts |
|  | (In thousands, except per share data) |
Net income |  | $ | 72,091 |  |  |  |  |
Less: |  |  |  |  |  |  |
Preferred stock dividends |  | (1,714 | ) |  |  |  |
Earnings allocated to participating securities |  | (584 | ) |  |  |  |
Basic EPS — income allocated to common stockholders(1) |  | $ | 69,793 |  | 137,648 |  | $ | 0.51 |
Effect of dilutive securities: |  |  |  |  |  |  |
Stock options |  | — |  | 51 |  |  |
Restricted stock units |  | 36 |  | 242 |  |  |
Convertible preferred stock |  | 1,714 |  | 5,578 |  |  |
Diluted EPS — income allocated to common stockholders (1) |  | $ | 71,543 |  | 143,519 |  | $ | 0.50 |
|  | Three Months Ended March 31, 2012 |
|  | Net Income |  | Number of Shares |  | Per Share Amounts |
|  | (In thousands, except per share data) |
Net income |  | $ | 68,083 |  |  |  |  |
Less: |  |  |  |  |  |  |
Preferred stock dividends |  | (1,714 | ) |  |  |  |
Basic EPS — income available to common stockholders |  | $ | 66,369 |  | 145,347 |  | $ | 0.46 |
Effect of dilutive securities: |  |  |  |  |  |  |
Stock options |  | — |  | 48 |  |  |
Restricted stock awards |  | 103 |  | 1,030 |  |  |
Convertible preferred stock |  | 1,714 |  | 5,571 |  |  |
Diluted EPS — income available to common stockholders |  | $ | 68,186 |  | 151,996 |  | $ | 0.45 |
Shares excluded from the calculation of diluted EPS |
|  | Three Months Ended |
|  | March 31, |
|  | 2013 |  | 2012 |
|  | (In thousands) |
Stock options |  | 270 |  | 396 |
Restricted stock awards (1) |  | 133 |  | 3 |
(1) On April 1, 2012, the Company revised its calculation of earnings per share to account for participating securities under the two-class method. This revision to the earnings per share calculation does not have an impact to previous periods as the amounts are immaterial.
Accumulated other comprehensive income (loss), net of tax |
|  | Unrealized (loss) gain on |  |  |  |  |  |  |
|  | investment securities |  | Foreign currency |  | Unrealized gain on |  |  |
|  | available-for-sale |  | translation adjustments |  | other asset investment |  | Total |
|  | (In thousands) |
Balance, December 31, 2011 |  | $ | (34,848 | ) | $ | 900 |  | $ | 8 |  | $ | (33,940 | )
Period Change |  | 17,052 |  | — |  | 10 |  | 17,062 |
Balance, March 31, 2012 |  | $ | (17,796 | ) | $ | 900 |  | $ | 18 |  | $ | (16,878 | )
Balance, December 31, 2012 |  | $ | 4,643 |  | $ | — |  | $ | 26 |  | $ | 4,669 |
Other comprehensive income before reclassifications |  | 4,741 |  | — |  | 10 |  | 4,751 |
Amounts reclassified from AOCI |  | (3,235 | ) | — |  | — |  | (3,235 | )
Net current period other comprehensive income |  | 1,506 |  | — |  | 10 |  | 1,516 |
Balance, March 31, 2013 |  | $ | 6,149 |  | $ | — |  | $ | 36 |  | $ | 6,185 |
Schedule of reclassifications out of accumulated other comprehensive income |
|  | Amount Reclassified from |  |  |
Details about Accumulated Other |  | Accumulated Other |  | Affected Line Item in the Statement |
Comprehensive Income Components |  | Comprehensive Income |  | Where Net Income is Presented |
|  | (In thousands) |  |  |
Three Months Ended March 31, 2013 |  |  |  |  |
Investment securities available for sale |  |  |  |  |
Realized net gains on sale of securities |  | $ | 5,577 |  | Net gain on sales of investment securities |
|  | 5,577 |  |  |
|  | (2,342 | ) | Tax expense |
Total reclassifications |  | $ | 3,235 |  |  |
Schedule of tax effect allocated to component of other comprehensive income |
|  |  |  | Tax |  |  |
|  | Before-Tax |  | (Expense) |  | Net-of-Tax |
|  | Amount |  | or Benefit |  | Amount |
|  |  |  | (In thousands) |  |  |
Three Months Ended March 31, 2013 |  |  |  |  |  |  |
Unrealized gain on investment securities available-for-sale: |  |  |  |  |  |  |
Unrealized holding gains arising during period |  | $ | 8,174 |  | $ | (3,433 | ) | $ | 4,741 |
Less: reclassification adjustment for gains included in income |  | (5,577 | ) | 2,342 |  | (3,235 | )
Net unrealized gains |  | 2,597 |  | (1,091 | ) | 1,506 |
Noncredit-related impairment loss on securities |  | — |  | — |  | — |
Unrealized gain on other asset investment |  | 17 |  | (7 | ) | 10 |
Less: reclassification adjustment for gains included in income |  | — |  | — |  | — |
Other comprehensive income |  | $ | 2,614 |  | $ | (1,098 | ) | $ | 1,516 |
|  |  |  | Tax |  |  |
|  | Before-Tax |  | (Expense) |  | Net-of-Tax |
|  | Amount |  | or Benefit |  | Amount |
|  |  |  | (In thousands) |  |  |
Three Months Ended March 31, 2012 |  |  |  |  |  |  |
Unrealized loss on investment securities available-for-sale: |  |  |  |  |  |  |
Unrealized holding gains arising during period |  | $ | 34,948 |  | $ | (14,678 | ) | $ | 20,270 |
Less: reclassification adjustment for gains included in income |  | (483 | ) | 203 |  | (280 | )
Net unrealized loss |  | 34,465 |  | (14,475 | ) | 19,990 |
Noncredit-related impairment loss on securities |  | (5,066 | ) | 2,128 |  | (2,938 | )
Foreign currency translation adjustments |  | — |  | — |  | — |
Unrealized gain on other asset investment |  | 17 |  | (7 | ) | 10 |
Less: reclassification adjustment for gains included in income |  | — |  | — |  | — |
Other comprehensive income |  | $ | 29,416 |  | $ | (12,354 | ) | $ | 17,062 |

X
- Definition Tabular disclosure of information about items reclassified out of accumulated other comprehensive income (loss). + References No definition available. + Details
Name: | ewbc_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeTableTextBlock
Namespace Prefix: | ewbc_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure of the components of accumulated other comprehensive income (loss). + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section 45 -Paragraph 14A -URI http://asc.fasb.org/extlink&oid=20435746&loc=SL7669686-108580 + Details
Name: | us-gaap_ScheduleOfAccumulatedOtherComprehensiveIncomeLossTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure of securities (including those issuable pursuant to contingent stock agreements) that could potentially dilute basic earnings per share (EPS) in the future that were not included in the computation of diluted EPS because to do so would increase EPS amounts or decrease loss per share amounts for the period presented, by antidilutive securities. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=6371337&loc=d3e3550-109257 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 128 -Paragraph 40 -Subparagraph c -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. + Details
Name: | us-gaap_ScheduleOfAntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure of the numerators and the denominators of the basic and diluted per-share (or per-unit) computations for income from continuing operations, including the effect that has been given to preferred dividends. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=6371337&loc=d3e3550-109257 + Details
Name: | us-gaap_ScheduleOfCalculationOfNumeratorAndDenominatorInEarningsPerShareTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure of components of comprehensive income (loss) including, but not limited to: (a) foreign currency translation adjustments; (b) gains (losses) on foreign currency transactions that are designated as, and are effective as, economic hedges of a net investment in a foreign entity; (c) gains (losses) on intercompany foreign currency transactions that are of a long-term-investment nature, when the entities to the transaction are consolidated, combined, or accounted for by the equity method in the reporting enterprise's financial statements; (d) change in the market value of a futures contract that qualifies as a hedge of an asset reported at fair value; (e) unrealized holding gains (losses) on available-for-sale securities and that resulting from transfers of debt securities from the held-to-maturity category to the available-for-sale category; (f) a net loss recognized as an additional pension liability not yet recognized as net periodic pension cost; and (g) the net gain (loss) and net prior service cost or credit for pension plans and other postretirement benefit plans. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section 45 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=20435746&loc=d3e526-108580 + Details
Name: | us-gaap_ScheduleOfComprehensiveIncomeLossTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

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