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Earnings per Common Share (Tables) | 6 Months Ended
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Jun. 30, 2016
Earnings Per Share [Abstract] |
Computation of Basic and Diluted Earnings Per Share | The following table summarizes the computation of basic and diluted earnings per share (in thousands, except per share data):
| Three Months Ended June 30, |  | Six Months Ended June 30,
| 2016 |  | 2015 |  | 2016 |  | 2015
Earnings per common share—basic |  |  |  |  |  |  |
Net income | $ | 34,105 |  |  | $ | 12,818 |  |  | $ | 72,495 |  |  | $ | 48,637 |
Weighted-average common shares outstanding—basic | 94,029 |  |  | 78,395 |  |  | 93,990 |  |  | 78,076 |
Basic earnings per common share | $ | 0.36 |  |  | $ | 0.16 |  |  | $ | 0.77 |  |  | $ | 0.62 |
Earnings per common share—diluted |  |  |  |  |  |  |
Net income | $ | 34,105 |  |  | $ | 12,818 |  |  | $ | 72,495 |  |  | $ | 48,637 |
Interest on convertible debt | — |  |  | 1,260 |  |  | — |  |  | 2,506 |
Net income including assumed conversions | $ | 34,105 |  |  | $ | 14,078 |  |  | $ | 72,495 |  |  | $ | 51,143 |
Weighted-average common shares outstanding—basic | 94,029 |  |  | 78,395 |  |  | 93,990 |  |  | 78,076 |
Convertible notes weighted-average shares outstanding | — |  |  | 15,000 |  |  | — |  |  | 15,000 |
Options and restricted stock | 1,864 |  |  | 1,518 |  |  | 1,668 |  |  | 1,330 |
Weighted-average common shares outstanding—diluted | 95,893 |  |  | 94,913 |  |  | 95,658 |  |  | 94,406 |
Dilutive earnings per common share | $ | 0.36 |  |  | $ | 0.15 |  |  | $ | 0.76 |  |  | $ | 0.54 |

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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/2003/role/presentationRef -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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