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Earnings Per Share (Tables) | 12 Months Ended
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Dec. 31, 2018
Earnings Per Share [Abstract] |
Computation of Basic and Diluted Earnings Per Share | The computations of the Company’s basic and diluted earnings per share are set forth below (in thousands, except per share amounts):
|  | Year Ended December 31, |
|  | 2018 |  |  | 2017 (1) |  |  | 2016 (1) |
Net income |  | $ | 38,809 |  |  | $ | 224,443 |  |  | $ | 176,370 |
Basic weighted-average common shares outstanding |  |  | 70,318 |  |  |  | 71,661 |  |  |  | 71,588 |
Effect of dilutive stock-based compensation awards |  |  | 229 |  |  |  | 66 |  |  |  | — |
Diluted weighted-average common shares outstanding |  |  | 70,547 |  |  |  | 71,727 |  |  |  | 71,588 |
Earnings per share, basic |  | $ | 0.55 |  |  | $ | 3.13 |  |  | $ | 2.46 |
Earnings per share, diluted |  |  | 0.55 |  |  |  | 3.13 |  |  |  | 2.46 |
(1) | As of the date of the Separation on May 31, 2017, the total shares outstanding are 71.6 million. For the year ended December 31, 2016, the 71.6 million shares are utilized for the calculation of both basic and diluted earnings per share, as no shared-based awards were outstanding prior to the Separation date. In addition, for the year ended December 31, 2017, the calculation of both basic and diluted earnings per share includes the 71.6 million shares as the shares outstanding during the period of January 1, 2017 through May 31, 2017.

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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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