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Earnings Per Share (Tables) | 6 Months Ended
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Jun. 30, 2019
Earnings Per Share [Abstract] |
Calculation of Basic and Diluted Earnings per Share | The following table sets forth the calculation of basic and diluted earnings per share:
|  |  | Three Months Ended |  | Six Months Ended
|  |  | June 30, |  | June 30,
(in thousands, except per share data) |  |  | 2019 |  |  | 2018 |  |  | 2019 |  |  | 2018
Net income (loss) |  | $ | 9,447 |  | $ | 10,943 |  | $ | 23,220 |  | $ | (12,698)
Denominator for basic earnings per share - |  |  |  |  |  |  |  |  |  |  |  |
| weighted-average number of common |  |  |  |  |  |  |  |  |  |  |  |
| shares outstanding during the period |  |  | 38,426 |  |  | 47,451 |  |  | 39,522 |  |  | 47,981
Incremental common shares attributable to |  |  |  |  |  |  |  |  |  |  |  |
| exercise of dilutive options |  |  | 74 |  |  | 116 |  |  | 75 |  |  | —
Incremental common shares attributable |  |  |  |  |  | . |  |  |  |  |  |
| to outstanding restricted stock units |  |  | 83 |  |  | 64 |  |  | 246 |  |  | —
Denominator for diluted earnings per share |  |  | 38,583 |  |  | 47,631 |  |  | 39,843 |  |  | 47,981
Basic earnings (loss) per share |  | $ | 0.25 |  | $ | 0.23 |  | $ | 0.59 |  | $ | (0.26)
Diluted earnings (loss) per share |  | $ | 0.24 |  | $ | 0.23 |  | $ | 0.58 |  | $ | (0.26)

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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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