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EARNINGS PER COMMON SHARE (Tables) | 12 Months Ended
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Dec. 31, 2021
Earnings Per Share [Abstract] |
Computation of Basic and Diluted Earnings Per Share | The following table sets forth the computation of basic and diluted earnings per share:
(Dollars in thousands, except share and per share data) |  | 2021 |  | 2020 |  | 2019
Numerator |  |  |  |  |  |
Net income |  | $ | 205,160 |  |  | $ | 155,810 |  |  | $ | 198,075 |
Denominator |  |  |  |  |  |
Basic earnings per common share - weighted average shares |  | 95,034,690 |  |  | 97,363,952 |  |  | 98,305,570 |
Effect of dilutive securities |  |  |  |  |  |
Employee stock awards |  | 862,695 |  |  | 729,146 |  |  | 545,901 |
Diluted earnings per common share - adjusted weighted average shares |  | 95,897,385 |  |  | 98,093,098 |  |  | 98,851,471 |
Earnings per share available to common shareholders |  |  |  |  |  |
Basic |  | $ | 2.16 |  |  | $ | 1.60 |  |  | $ | 2.01 |
Diluted |  | $ | 2.14 |  |  | $ | 1.59 |  |  | $ | 2.00 |

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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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