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Earnings Per Common Share (Tables) | 9 Months Ended
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Sep. 30, 2020
Earnings Per Share [Abstract] |
Schedule of Earnings Per Share Basic and Diluted |
| Three Months Ended September 30, |  | Nine Months Ended September 30,
| 2020 |  | 2019 |  | 2020 |  | 2019
Numerator — basic and diluted |  |  |  |  |  |  |
Net income | $ | 50,172 |  |  | $ | 60,422 |  |  | $ | 155,093 |  |  | $ | 187,665 |
Denominator |  |  |  |  |  |  |
Weighted average number of common shares outstanding — basic | 35,639 |  |  | 36,617 |  |  | 36,073 |  |  | 36,851 |
Effect of dilutive convertible notes | 337 |  |  | 21 |  |  | 425 |  |  | 7 |
Effect of dilutive stock options | 402 |  |  | 471 |  |  | 436 |  |  | 454 |
Effect of dilutive restricted shares | 708 |  |  | 829 |  |  | 774 |  |  | 795 |
Weighted average number of common shares outstanding — diluted | 37,086 |  |  | 37,938 |  |  | 37,708 |  |  | 38,107 |
Earnings per common share — basic | $ | 1.41 |  |  | $ | 1.65 |  |  | $ | 4.30 |  |  | $ | 5.09 |
Earnings per common share — diluted | $ | 1.35 |  |  | $ | 1.59 |  |  | $ | 4.11 |  |  | $ | 4.92 |
Antidilutive stock options and restricted shares | 83 |  |  | 1 |  |  | 50 |  |  | 24 |

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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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