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Earnings Per Share (Tables) | 12 Months Ended
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Dec. 31, 2020
Earnings Per Share [Abstract] |
Schedule of weighted-average anti-dilutive securities | The following table details the weighted-average anti-dilutive securities for the years presented:
| For the Years Ended December 31,
| 2020 |  | 2019 |  | 2018
| (in thousands)
Anti-dilutive | 265 |  |  | 684 |  |  | — |
Schedule of calculations of basic and diluted net income (loss) per common share | The following table sets forth the calculations of basic and diluted net income (loss) per common share:
| For the Years Ended December 31,
| 2020 |  | 2019 |  | 2018
| (in thousands, except per share data)
Net income (loss) | $ | (764,614) |  |  | $ | (187,001) |  |  | $ | 508,407 |
Basic weighted-average common shares outstanding | 113,730 |  |  | 112,544 |  |  | 111,912 |
Dilutive effect of non-vested RSUs and contingent PSUs | — |  |  | — |  |  | 1,590 |
Diluted weighted-average common shares outstanding | 113,730 |  |  | 112,544 |  |  | 113,502 |
Basic net income (loss) per common share | $ | (6.72) |  |  | $ | (1.66) |  |  | $ | 4.54 |
Diluted net income (loss) per common share | $ | (6.72) |  |  | $ | (1.66) |  |  | $ | 4.48 |

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- Definition Tabular disclosure of securities (including those issuable pursuant to contingent stock agreements) that could potentially dilute basic earnings per share (EPS) in the future that were not included in the computation of diluted EPS because to do so would increase EPS amounts or decrease loss per share amounts for the period presented, by antidilutive securities. + 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 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=6371337&loc=d3e3550-109257 + Details
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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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