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PARENT COMPANY FINANCIAL STATEMENTS (Details 3) (USD $) In Thousands, unless otherwise specified | 3 Months Ended | 12 Months Ended
--- | --- | ---
Dec. 31, 2013 | Sep. 30, 2013 | Jun. 30, 2013 | Mar. 31, 2013 | Dec. 31, 2012 | Sep. 30, 2012 | Jun. 30, 2012 | Mar. 31, 2012 | Dec. 31, 2013 | Dec. 31, 2012 | Dec. 31, 2011
CASH FLOWS FROM OPERATING ACTIVITIES |  |  |  |  |  |  |  |  |  |  |
Net income | $ 75,782 | $ 73,157 | $ 74,015 | $ 72,091 | $ 71,900 | $ 71,110 | $ 70,557 | $ 68,083 | $ 295,045 | $ 281,650 | $ 245,234
Adjustments to reconcile net income to net cash provided by operating activities: |  |  |  |  |  |  |  |  |  |  |
Depreciation and amortization |  |  |  |  |  |  |  |  | 101,169 | 82,536 | 67,460
Stock compensation costs |  |  |  |  |  |  |  |  | 14,178 | 13,238 | 13,543
Tax benefit from stock plans |  |  |  |  |  |  |  |  | (5,522) | (462) | (717)
Net cash provided by operating activities |  |  |  |  |  |  |  |  | 425,845 | 287,526 | 255,317
Purchases of: |  |  |  |  |  |  |  |  |  |  |
Investment securities available-for-sale |  |  |  |  |  |  |  |  | (1,316,764) | (1,835,823) | (2,713,546)
Proceeds from: |  |  |  |  |  |  |  |  |  |  |
Net cash used in investing activities |  |  |  |  |  |  |  |  | (2,734,846) | (758,905) | (1,071,226)
Payment for: |  |  |  |  |  |  |  |  |  |  |
Repayment of long-term debt |  |  |  |  |  |  |  |  | (10,310) | (75,000) | (23,918)
Repurchase of vested shares due to employee tax liability |  |  |  |  |  |  |  |  | (13,833) | (3,012) | (649)
Repurchase of common stock warrants |  |  |  |  |  |  |  |  |  |  | (14,500)
Repurchase of shares of treasury stock pursuant to the Stock Repurchase Plan |  |  |  |  |  |  |  |  | (199,992) | (199,950) |
Proceeds from: |  |  |  |  |  |  |  |  |  |  |
Issuance of common stock pursuant to various stock plans and agreements |  |  |  |  |  |  |  |  | 3,054 | 3,821 | 5,726
Tax benefit from stock plans |  |  |  |  |  |  |  |  | 5,522 | 462 | 717
Net cash provided by (used in) financing activities |  |  |  |  |  |  |  |  | 1,881,715 | 364,200 | 914,211
NET (DECREASE) INCREASE IN CASH AND CASH EQUIVALENTS |  |  |  |  |  |  |  |  | (427,286) | (108,079) | 97,236
CASH AND CASH EQUIVALENTS, BEGINNING OF YEAR |  |  |  | 1,323,106 |  |  |  | 1,431,185 | 1,323,106 | 1,431,185 | 1,333,949
CASH AND CASH EQUIVALENTS, END OF YEAR | 895,820 |  |  |  | 1,323,106 |  |  |  | 895,820 | 1,323,106 | 1,431,185
Cash paid during the year for: |  |  |  |  |  |  |  |  |  |  |
Interest |  |  |  |  |  |  |  |  | 112,169 | 136,760 | 175,772
Noncash investing and financing activities: |  |  |  |  |  |  |  |  |  |  |
Conversion of preferred stock to common stock |  |  |  |  |  |  |  |  | 83,027 |  | 31
East West Bancorp, Inc. |  |  |  |  |  |  |  |  |  |  |
CASH FLOWS FROM OPERATING ACTIVITIES |  |  |  |  |  |  |  |  |  |  |
Net income |  |  |  |  |  |  |  |  | 295,045 | 281,650 | 245,234
Adjustments to reconcile net income to net cash provided by operating activities: |  |  |  |  |  |  |  |  |  |  |
Equity in undistributed (income) of subsidiaries |  |  |  |  |  |  |  |  | (291,659) | (285,636) | (250,513)
Depreciation and amortization |  |  |  |  |  |  |  |  | 8,806 | 445 | 1,034
Prepayment penalty on other borrowings |  |  |  |  |  |  |  |  |  |  | 526
Stock compensation costs |  |  |  |  |  |  |  |  |  |  | 1,767
Gain on sale of other investments |  |  |  |  |  |  |  |  | (161) |  |
Tax benefit from stock plans |  |  |  |  |  |  |  |  | (5,522) | (462) | (717)
Net change in other assets |  |  |  |  |  |  |  |  | 293,153 | 322,361 | 73,797
Net change in other liabilities |  |  |  |  |  |  |  |  | (13,011) | (259) | (3,709)
Net cash provided by operating activities |  |  |  |  |  |  |  |  | 286,651 | 318,099 | 67,419
Purchases of: |  |  |  |  |  |  |  |  |  |  |
Investment securities available-for-sale |  |  |  |  |  |  |  |  | (69,986) |  |
Proceeds from: |  |  |  |  |  |  |  |  |  |  |
Redemption of certificates of deposit |  |  |  |  |  |  |  |  |  |  | 198
Net cash used in investing activities |  |  |  |  |  |  |  |  | (69,986) |  | 198
Payment for: |  |  |  |  |  |  |  |  |  |  |
Repayment of long-term debt |  |  |  |  |  |  |  |  | (10,310) |  | (23,918)
Repurchase of vested shares due to employee tax liability |  |  |  |  |  |  |  |  | (13,833) | (3,012) | (649)
Cash dividends on preferred stock |  |  |  |  |  |  |  |  | (3,428) | (6,857) | (6,857)
Cash dividends on common stock |  |  |  |  |  |  |  |  | (82,862) | (57,361) | (23,822)
Repurchase of common stock warrants |  |  |  |  |  |  |  |  |  |  | (14,500)
Repurchase of shares of treasury stock pursuant to the Stock Repurchase Plan |  |  |  |  |  |  |  |  | (199,992) | (199,950) |
Proceeds from: |  |  |  |  |  |  |  |  |  |  |
Increase in long-term borrowings |  |  |  |  |  |  |  |  | 100,000 |  |
Issuance of common stock pursuant to various stock plans and agreements |  |  |  |  |  |  |  |  | 3,683 | 3,821 | 5,726
Tax benefit from stock plans |  |  |  |  |  |  |  |  | 5,522 | 462 | 717
Net cash provided by (used in) financing activities |  |  |  |  |  |  |  |  | (201,220) | (262,897) | (63,303)
NET (DECREASE) INCREASE IN CASH AND CASH EQUIVALENTS |  |  |  |  |  |  |  |  | 15,445 | 55,202 | 4,314
CASH AND CASH EQUIVALENTS, BEGINNING OF YEAR |  |  |  | 64,489 |  |  |  | 9,287 | 64,489 | 9,287 | 4,973
CASH AND CASH EQUIVALENTS, END OF YEAR | 79,934 |  |  |  | 64,489 |  |  |  | 79,934 | 64,489 | 9,287
Cash paid during the year for: |  |  |  |  |  |  |  |  |  |  |
Interest |  |  |  |  |  |  |  |  | 3,292 | 3,112 | 5,167
Noncash investing and financing activities: |  |  |  |  |  |  |  |  |  |  |
Conversion of preferred stock to common stock |  |  |  |  |  |  |  |  | 83,027 |  | 31
Issuance of common stock to Board of Directors |  |  |  |  |  |  |  |  | $ 630 | $ 570 | $ 520

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- Definition The aggregate amount paid by the entity to reacquire the right to purchase equity shares at a predetermined price, usually issued together with corporate debt. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Financing Activities -URI http://asc.fasb.org/extlink&oid=6513228 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 15 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3291-108585 + Details
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- Definition The cash outflow for incremental, external costs directly pertaining to an early extinguishment of debt, including legal costs and prepayment penalties, and excluding interest and repayment of debt principal. + References No definition available. + Details
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- Definition Amount of cash outflow in the form of ordinary dividends to common shareholders of the parent entity. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Financing Activities -URI http://asc.fasb.org/extlink&oid=6513228 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 15 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3291-108585 + Details
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- Definition Amount of cash outflow in the form of ordinary dividends to preferred shareholders of the parent entity. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Financing Activities -URI http://asc.fasb.org/extlink&oid=6513228 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 15 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3291-108585 + Details
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- Definition Amount of cash outflow to satisfy an employee's income tax withholding obligation as part of a net-share settlement of a share-based award. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 15 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3291-108585 + Details
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- Definition The cash outflow to acquire debt and equity securities not classified as either held-to-maturity securities or trading securities which would be classified as available-for-sale securities and reported at fair value, with unrealized gains and losses excluded from earnings and reported in a separate component of shareholders' equity. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Investing Activities -URI http://asc.fasb.org/extlink&oid=6516133 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 45 -Paragraph 11 -URI http://asc.fasb.org/extlink&oid=6871852&loc=d3e26853-111562 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 13 -Subparagraph (a),(b) -URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3213-108585 + Details
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- Definition The cash inflow from other long-term borrowings not otherwise defined in the taxonomy (with maturities initially due beyond one year or the normal operating cycle of the entity, if longer). + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Financing Activities -URI http://asc.fasb.org/extlink&oid=6513228 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 14 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3255-108585 + Details
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- Definition The total cash inflow associated with the amount received from holders to acquire the entity's shares under incentive and share awards, including stock option exercises. This item inherently excludes any excess tax benefit, which the entity may have realized and reported separately. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Financing Activities -URI http://asc.fasb.org/extlink&oid=6513228 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 14 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3255-108585 + Details
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- Definition The cash inflow associated with the sale of investments that are pledged or subject to withdrawal restrictions during the period. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 12 -URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3179-108585 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Investing Activities -URI http://asc.fasb.org/extlink&oid=6516133 + Details
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- Definition The cash outflow attributable to repayments of borrowings not otherwise defined in the taxonomy (with maturities initially due after one year or beyond the operating cycle if longer). + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 15 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3291-108585 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Financing Activities -URI http://asc.fasb.org/extlink&oid=6513228 + Details
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- Definition The aggregate amount of noncash, equity-based employee remuneration. This may include the value of stock or unit options, amortization of restricted stock or units, and adjustment for officers' compensation. As noncash, this element is an add back when calculating net cash generated by operating activities using the indirect method. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3602-108585 + Details
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