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EARNINGS PER SHARE (Tables) | 9 Months Ended
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Sep. 30, 2021
EARNINGS PER SHARE |
Schedule of earnings per common share | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | Three months ended September 30, | ​ | Nine months ended September 30, | ​
​ |  | 2021 |  | 2020 |  | 2021 |  | 2020 |
Basic | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Net income per consolidated statements of income | ​ | $ | 16,215 | ​ | $ | 10,783 | ​ | $ | 41,668 | ​ | $ | 27,690 | ​
Less: Earnings allocated to participating securities | ​ | ​ | (508) | ​ | ​ | (89) | ​ | ​ | (568) | ​ | ​ | (255) | ​
Net income available to common stockholders | ​ | $ | 15,707 | ​ | $ | 10,694 | ​ | $ | 41,100 | ​ | $ | 27,435 | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Weighted average common shares outstanding including participating securities | ​ | ​ | 8,897,910 | ​ | ​ | 8,291,068 | ​ | ​ | 8,518,639 | ​ | ​ | 8,296,701 | ​
Less: Weighted average participating securities | ​ | ​ | (278,937) | ​ | ​ | (68,198) | ​ | ​ | (116,045) | ​ | ​ | (76,499) | ​
Weighted average common shares outstanding | ​ | ​ | 8,618,973 | ​ | ​ | 8,222,870 | ​ | ​ | 8,402,594 | ​ | ​ | 8,220,202 | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Basic earnings per common share | ​ | $ | 1.82 | ​ | $ | 1.30 | ​ | $ | 4.89 | ​ | $ | 3.34 | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Diluted | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Net income allocated to common stockholders | ​ | $ | 15,707 | ​ | $ | 10,694 | ​ | $ | 41,100 | ​ | $ | 27,435 | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Weighted average common shares outstanding for basic earnings per common share | ​ | ​ | 8,618,973 | ​ | ​ | 8,222,870 | ​ | ​ | 8,402,594 | ​ | ​ | 8,220,202 | ​
Add: Dilutive effects of assumed exercise of stock options | ​ | ​ | 173,909 | ​ | ​ | 92,269 | ​ | ​ | 161,932 | ​ | ​ | 103,737 | ​
Add: Dilutive effects of assumed vesting of performance based restricted stock units | ​ | ​ | 53,571 | ​ | ​ | 78,072 | ​ | ​ | 41,932 | ​ | ​ | 68,116 | ​
Add: Dilutive effects of assumed vesting of restricted stock units | ​ | ​ | 46,651 | ​ | ​ | — | ​ | ​ | 29,939 | ​ | ​ | — | ​
Average shares and dilutive potential common shares | ​ | ​ | 8,893,104 | ​ | ​ | 8,393,211 | ​ | ​ | 8,636,397 | ​ | ​ | 8,392,055 | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Dilutive earnings per common share | ​ | $ | 1.77 | ​ | $ | 1.27 | ​ | $ | 4.76 | ​ | $ | 3.27 | ​

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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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