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Earnings per Common Share (Tables) | 6 Months Ended
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Jun. 30, 2021
Earnings Per Share [Abstract] |
Schedule of Earnings Per Share Basic and Diluted |
| Three Months Ended June 30, |  | Six Months Ended June 30,
| 2021 |  | 2020 |  | 2021 |  | 2020
Numerator — basic and diluted |  |  |  |  |  |  |
Net income | $ | 62,782 |  |  | $ | 48,174 |  |  | $ | 127,278 |  |  | $ | 104,921 |
Denominator |  |  |  |  |  |  |
Weighted average number of common shares outstanding — basic | 33,458 |  |  | 36,169 |  |  | 33,470 |  |  | 36,292 |
Effect of dilutive restricted shares | 668 |  |  | 732 |  |  | 714 |  |  | 806 |
Effect of dilutive stock options | 376 |  |  | 444 |  |  | 373 |  |  | 453 |
Effect of dilutive convertible notes | 872 |  |  | 507 |  |  | 661 |  |  | 470 |
Weighted average number of common shares outstanding — diluted | 35,374 |  |  | 37,852 |  |  | 35,218 |  |  | 38,021 |
Earnings per common share — basic | $ | 1.88 |  |  | $ | 1.33 |  |  | $ | 3.80 |  |  | $ | 2.89 |
Earnings per common share — diluted | $ | 1.77 |  |  | $ | 1.27 |  |  | $ | 3.61 |  |  | $ | 2.76 |
Antidilutive stock options and restricted shares | 2 |  |  | 54 |  |  | 5 |  |  | 33 |

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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=124432515&loc=d3e3550-109257 + Details
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