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Earnings (Loss) Per Share (Tables) | 6 Months Ended
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Jun. 30, 2019
Earnings Per Share [Abstract] |
Schedule of Earnings (Loss) Per Share, Basic and Diluted | The following table sets forth the computation of earnings (loss) per common share and earnings (loss) per common share - assuming dilution:
| Three Months Ended June 30, |  | Six Months Ended June 30,
| 2019 |  | 2018 |  | 2019 |  | 2018
| (Dollars in thousands, except per share data)
Numerator: |  |  |  |  |  |  |
Net income (loss) - numerator for earnings (loss) per common share | $ | 18,590 |  |  | $ | 93,903 |  |  | $ | (11,420 | ) |  | $ | 234,865 |
Denominator: |  |  |  |  |  |  |
Weighted average common shares outstanding | 91,103,151 |  |  | 90,326,747 |  |  | 90,993,810 |  |  | 90,172,812 |
Effect of dilutive securities: |  |  |  |  |  |  |
Stock options and deferred compensation agreements | 333,780 |  |  | 696,007 |  |  | 394,390 |  |  | 773,149 |
Restricted stock and restricted stock units | 348,292 |  |  | 248,094 |  |  | 376,898 |  |  | 259,992 |
Denominator for earnings (loss) per common share - assuming dilution | 91,785,223 |  |  | 91,270,848 |  |  | 91,765,098 |  |  | 91,205,953 |
Earnings (loss) per common share | $ | 0.20 |  |  | $ | 1.04 |  |  | $ | (0.13 | ) |  | $ | 2.60 |
Earnings (loss) per common share - assuming dilution | $ | 0.20 |  |  | $ | 1.03 |  |  | $ | (0.13 | ) |  | $ | 2.58 |

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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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