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EARNINGS PER SHARE (Tables) | 9 Months Ended
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Sep. 30, 2021
EARNINGS PER SHARE |
Schedule of computation of basic and diluted earnings (loss) per share | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | Three Months Ended | ​ | Nine Months Ended | ​
​ | ​ | September 30 | ​ | September 30 | ​
​ |  | 2021 |  | 2020 |  | 2021 |  | 2020 |
​ | ​ | (in thousands, except share and per share data) | ​
Basic | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Numerator: | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Net income | ​ | $ | 63,691 | ​ | $ | 29,404 | ​ | $ | 148,033 | ​ | $ | 47,186 | ​
Effect of unvested restricted stock awards | ​ |  | — | ​ |  | (4) | ​ |  | — | ​ |  | (22) | ​
Adjusted net income | ​ | $ | 63,691 | ​ | $ | 29,400 | ​ | $ | 148,033 | ​ | $ | 47,164 | ​
Denominator: | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Weighted-average shares | ​ |  | 25,632,805 | ​ |  | 25,470,094 | ​ |  | 25,559,642 | ​ |  | 25,403,786 | ​
Earnings per common share | ​ | $ | 2.48 | ​ | $ | 1.15 | ​ | $ | 5.79 | ​ | $ | 1.86 | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Diluted | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Numerator: | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Net income | ​ | $ | 63,691 | ​ | $ | 29,404 | ​ | $ | 148,033 | ​ | $ | 47,186 | ​
Effect of unvested restricted stock awards | ​ |  | — | ​ |  | (4) | ​ |  | — | ​ |  | (22) | ​
Adjusted net income | ​ | $ | 63,691 | ​ | $ | 29,400 | ​ | $ | 148,033 | ​ | $ | 47,164 | ​
Denominator: | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Weighted-average shares | ​ |  | 25,632,805 | ​ |  | 25,470,094 | ​ |  | 25,559,642 | ​ |  | 25,403,786 | ​
Effect of dilutive securities | ​ |  | 1,137,341 | ​ |  | 1,122,363 | ​ |  | 1,312,739 | ​ |  | 886,160 | ​
Adjusted weighted-average shares and assumed conversions | ​ |  | 26,770,146 | ​ |  | 26,592,457 | ​ |  | 26,872,381 | ​ |  | 26,289,946 | ​
Earnings per common share | ​ | $ | 2.38 | ​ | $ | 1.11 | ​ | $ | 5.51 | ​ | $ | 1.79 | ​

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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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