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Income (Loss) per Share (Tables) | 6 Months Ended
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Jun. 30, 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 June 30, |  | Six Months Ended June 30,
| 2018 |  | 2017 |  | 2018 |  | 2017
Net income | $ | 16,178 |  |  | $ | 7,006 |  |  | $ | 31,363 |  |  | $ | 34,792 |
Less: Undistributed income allocated to participating securities (1) | 242 |  |  | 92 |  |  | 433 |  |  | 415 |
Net income attributable to common stockholders | 15,936 |  |  | 6,914 |  |  | 30,930 |  |  | 34,377 |
Plus: Net income effect of convertible securities | — |  |  | — |  |  | — |  |  | — |
Numerator for diluted income per common share | $ | 15,936 |  |  | $ | 6,914 |  |  | $ | 30,930 |  |  | $ | 34,377 |
Basic weighted-average common stock shares outstanding | 45,684 |  |  | 45,541 |  |  | 45,659 |  |  | 45,505 |
Plus: dilutive effects of common stock equivalents | 39 |  |  | 23 |  |  | 41 |  |  | 31 |
Diluted weighted-average common stock shares outstanding | 45,723 |  |  | 45,564 |  |  | 45,700 |  |  | 45,536 |
Basic income per common share | $ | 0.35 |  |  | $ | 0.15 |  |  | $ | 0.68 |  |  | $ | 0.76 |
Diluted income per common share | $ | 0.35 |  |  | $ | 0.15 |  |  | $ | 0.68 |  |  | $ | 0.75 |
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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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