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Income (Loss) per Share (Tables) | 9 Months Ended
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Sep. 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 September 30, |  | Nine Months Ended September 30,
| 2018 |  | 2017 |  | 2018 |  | 2017
Net income (loss) | $ | (5,822 | ) |  | $ | 18,824 |  |  | $ | 25,541 |  |  | $ | 53,616 |
Less: Undistributed income allocated to participating securities (1) | — |  |  | 238 |  |  | 361 |  |  | 685 |
Net income (loss) attributable to common stockholders | (5,822 | ) |  | 18,586 |  |  | 25,180 |  |  | 52,931 |
Plus: Net income effect of convertible securities | — |  |  | 2,566 |  |  | — |  |  | — |
Numerator for diluted income (loss) per common share | $ | (5,822 | ) |  | $ | 21,152 |  |  | $ | 25,180 |  |  | $ | 52,931 |
Basic weighted-average common stock shares outstanding | 45,709 |  |  | 45,561 |  |  | 45,676 |  |  | 45,505 |
Plus: dilutive effects of common stock equivalents (2) | — |  |  | 6,431 |  |  | 45 |  |  | 22 |
Diluted weighted-average common stock shares outstanding | 45,709 |  |  | 51,992 |  |  | 45,721 |  |  | 45,527 |
Basic income (loss) per common share | $ | (0.13 | ) |  | $ | 0.41 |  |  | $ | 0.55 |  |  | $ | 1.16 |
Diluted income (loss) per common share | $ | (0.13 | ) |  | $ | 0.41 |  |  | $ | 0.55 |  |  | $ | 1.16 |
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(1) | Participating securities include restricted stock that has been issued but has not yet vested.
(2) | Entities with a net loss from continuing operations are prohibited from including potential common shares in the computation of diluted per share amounts. We have utilized the basic shares outstanding to calculate both basic and diluted loss per share for the three months ended September 30, 2018.

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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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