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EARNINGS PER SHARE (Tables) | 12 Months Ended
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Dec. 31, 2020
Earnings Per Share [Abstract] |
Schedule of Basic and Diluted Earnings per Common Share | Basic and diluted earnings per common share were calculated as follows (in thousands, except per share amounts):
|  | Years Ended December 31,
|  | 2020 |  | 2019 |  | 2018
Basic weighted average number of shares outstanding |  | 37,718 |  |  | 38,100 |  |  | 40,107 |
Effect of dilutive securities: |  |  |  |  |  |
Unvested restricted stock |  | 766 |  |  | 791 |  |  | 621 |
Diluted average shares outstanding |  | 38,484 |  |  | 38,891 |  |  | 40,728 |
Net earnings as reported |  | $ | 423,475 |  |  | $ | 249,663 |  |  | $ | 227,332 |
Basic earnings per share |  | $ | 11.23 |  |  | $ | 6.55 |  |  | $ | 5.67 |
Diluted earnings per share |  | $ | 11.00 |  |  | $ | 6.42 |  |  | $ | 5.58 |

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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://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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