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Stockholders’ Equity and Earnings Per Share (Tables) | 12 Months Ended
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Dec. 31, 2019
Equity [Abstract] |
Schedule of earnings per share calculations | The following table presents the basic and diluted EPS calculations for the years ended December 31, 2019, 2018 and 2017. For more information on the calculation of EPS, see Note 1 — Summary of Significant Accounting Policies — Earnings per Share to the Consolidated Financial Statements.
($ and shares in thousands, except per share data) |  | Year Ended December 31,
| 2019 |  | 2018 |  | 2017
Basic: |  |  |  |  |  |
Net income |  | $ | 674,035 |  |  | $ | 703,701 |  |  | $ | 505,624 |
Basic weighted-average number of shares outstanding |  | 145,497 |  |  | 144,862 |  |  | 144,444 |
Basic EPS |  | $ | 4.63 |  |  | $ | 4.86 |  |  | $ | 3.50 |
Diluted: |  |  |  |  |  |
Net income |  | $ | 674,035 |  |  | $ | 703,701 |  |  | $ | 505,624 |
Basic weighted-average number of shares outstanding |  | 145,497 |  |  | 144,862 |  |  | 144,444 |
Diluted potential common shares (1)(2) |  | 682 |  |  | 1,307 |  |  | 1,469 |
Diluted weighted-average number of shares outstanding (1)(2) |  | 146,179 |  |  | 146,169 |  |  | 145,913 |
Diluted EPS |  | $ | 4.61 |  |  | $ | 4.81 |  |  | $ | 3.47 |
(1) | Includes dilutive shares from RSUs for the year ended December 31, 2019, and from RSUs and warrants for the years ended December 31, 2018 and 2017.
(2) | The Company acquired MetroCorp Bancshares, Inc. (“MetroCorp”) on January 17, 2014. Prior to the acquisition, MetroCorp had outstanding warrants to purchase 771,429 shares of its common stock. Upon the acquisition, the rights of the warrant holders were converted into the rights to acquire 230,282 shares of East West’s common stock until January 16, 2019. All warrants were exercised on January 7, 2019.

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- Definition Tabular disclosure of an entity's basic and diluted earnings per share calculations, including a reconciliation of numerators and denominators of the basic and diluted per-share computations for income from continuing operations. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6371337&loc=d3e3550-109257 + Details
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