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Net Income (Loss) Per Share (Tables) | 12 Months Ended
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Dec. 31, 2020
Earnings Per Share [Abstract] |
Schedule of Earnings Per Share, Basic and Diluted |
|  |  | Year ended December 31,
In thousands except per share amounts |  |  |  |  | 2020 |  | 2019 |  | 2018
Net income (loss) available to common stockholders: |  |  |  |  |  |  |  |  |
Income (loss) from continuing operations |  |  |  |  | $ | 25,627 |  |  | $ | (346,896) |  |  | $ | (48,955) |
Income (loss) from discontinued operations |  |  |  |  | — |  |  | 5,693 |  |  | 550 |
|  |  |  |  | $ | 25,627 |  |  | $ | (341,203) |  |  | $ | (48,405) |
Weighted average shares: |  |  |  |  |  |  |  |  |
Basic |  |  |  |  | 240,803 |  |  | 218,812 |  |  | 188,606 |
Effect of stock-based compensation plans |  |  |  |  | 1,746 |  |  | — |  |  | — |
Diluted |  |  |  |  | 242,549 |  |  | 218,812 |  |  | 188,606 |
Basic income (loss) per share: |  |  |  |  |  |  |  |  |
Income (loss) from continuing operations |  |  |  |  | $ | 0.11 |  |  | $ | (1.59) |  |  | $ | (0.26) |
Income (loss) from discontinued operations |  |  |  |  | — |  |  | 0.03 |  |  | — |
Basic(1) |  |  |  |  | $ | 0.11 |  |  | $ | (1.56) |  |  | $ | (0.26) |
Diluted income (loss) per share: |  |  |  |  |  |  |  |  |
Income (loss) from continuing operations |  |  |  |  | $ | 0.11 |  |  | $ | (1.59) |  |  | $ | (0.26) |
Income (loss) from discontinued operations |  |  |  |  | — |  |  | 0.03 |  |  | — |
Diluted(1) |  |  |  |  | $ | 0.11 |  |  | $ | (1.56) |  |  | $ | (0.26) |
(1) Due to rounding, the sum of net income per share from continuing operations and discontinued operations may not equal net income per share.

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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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