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Earnings per Share (Tables) | 6 Months Ended
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Jun. 30, 2020
Earnings Per Share [Abstract] |
Reconciliation of Number of Shares Used in Calculating Basic and Diluted Earnings per Share | The following table reconciles the number of shares used in calculating basic and diluted earnings per share:
|  | Three Months Ended June 30, |  |  | Six Months Ended June 30, |
(in thousands, except per share amounts) |  | 2020 |  |  | 2019 |  |  | 2020 |  |  | 2019 |
Net income (loss) |  | $ | 2,638 |  |  | $ | 17,137 |  |  | $ | (14,194 | ) |  | $ | 23,697 |
Basic weighted-average shares outstanding |  |  | 67,176 |  |  |  | 67,664 |  |  |  | 67,321 |  |  |  | 67,774 |
Incremental shares due to: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Performance shares |  |  | 153 |  |  |  | 26 |  |  |  | — |  |  |  | 21 |
Restricted stock units |  |  | 30 |  |  |  | 23 |  |  |  | — |  |  |  | 71 |
Diluted weighted-average shares outstanding |  |  | 67,359 |  |  |  | 67,713 |  |  |  | 67,321 |  |  |  | 67,866 |
Basic net income (loss) per share |  | $ | 0.04 |  |  | $ | 0.25 |  |  | $ | (0.21 | ) |  | $ | 0.35 |
Diluted net income (loss) per share |  | $ | 0.04 |  |  | $ | 0.25 |  |  | $ | (0.21 | ) |  | $ | 0.35 |

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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/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=6371337&loc=d3e3550-109257 + Details
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