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Income (Loss) per Share (Tables) | 3 Months Ended
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Mar. 31, 2018
Earnings Per Share [Abstract] |
Schedule of Computation of Basic and Diluted Income (Loss) Per Share | The following table sets forth the computation of basic and diluted income (loss) per share (in thousands, except per share amounts):
| Three Months Ended March 31,
| 2018 |  | 2017
Net income | $ | 15,185 |  |  | $ | 27,786 |
Less: Undistributed income allocated to participating securities (1) | 192 |  |  | 299 |
Net income attributable to common stockholders | 14,993 |  |  | 27,487 |
Plus: Net income effect of convertible securities | — |  |  | 2,509 |
Numerator for diluted income per common share | $ | 14,993 |  |  | $ | 29,996 |
Basic weighted-average common stock shares outstanding | 45,634 |  |  | 45,476 |
Plus: dilutive effects of common stock equivalents | 43 |  |  | 6,389 |
Diluted weighted-average common stock shares outstanding | 45,677 |  |  | 51,865 |
Basic income per common share | $ | 0.33 |  |  | $ | 0.60 |
Diluted income per common share | $ | 0.33 |  |  | $ | 0.58 |
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(1) | Participating securities include restricted stock that has been issued but has not yet vested.

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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://www.xbrl.org/2003/role/presentationRef -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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