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EARNINGS PER SHARE (Tables) | 12 Months Ended
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Dec. 31, 2021
Earnings Per Share [Abstract] |
Schedule of Weighted Average Number of Shares | Following are the factors used in the earnings per share computations:
(dollars in thousand except share and per share data) | 2021 |  | 2020 |  | 2019
Basic earnings per common share: |  |  |  |  |
Net income | $ | 95,733 |  |  | $ | 84,337 |  |  | $ | 87,047 |
Weighted-average common shares outstanding | 25,475,994 |  |  | 25,469,242 |  |  | 25,588,404 |
Basic earnings per common share | $ | 3.76 |  |  | $ | 3.31 |  |  | $ | 3.40 |
Diluted earnings per common share: |  |  |  |  |
Net income | $ | 95,733 |  |  | $ | 84,337 |  |  | $ | 87,047 |
Weighted-average common shares outstanding for basic earnings per common share | 25,475,994 |  |  | 25,469,242 |  |  | 25,588,404 |
Add: Dilutive effect of assumed exercises of stock options and awards | 144,111 |  |  | 104,699 |  |  | 170,489 |
Average shares and dilutive potential common shares | 25,620,105 |  |  | 25,573,941 |  |  | 25,758,893 |
Diluted earnings per common share | $ | 3.74 |  |  | $ | 3.30 |  |  | $ | 3.38 |

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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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