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EARNINGS PER SHARE (Tables) | 9 Months Ended
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Sep. 30, 2022
EARNINGS PER SHARE |
Schedule of Earnings Per Share | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | Three Months Ended | ​ | Nine Months Ended
​ | ​ | September 30, | ​ | September 30,
(in thousands, except per share and share data) |  | 2022 |  | 2021 |  | 2022 |  | 2021
Net income | ​ | $ | 11,430 | ​ | $ | 11,028 | ​ | $ | 31,045 | ​ | $ | 29,533
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Average number of basic common shares outstanding | ​ |  | 15,057,598 | ​ |  | 14,982,766 | ​ |  | 15,028,963 | ​ |  | 14,960,753
Plus: dilutive effect of stock options and awards outstanding | ​ |  | 55,757 | ​ |  | 67,990 | ​ |  | 71,317 | ​ |  | 73,829
Average number of diluted common shares outstanding(1) | ​ |  | 15,113,355 | ​ |  | 15,050,756 | ​ |  | 15,100,280 | ​ |  | 15,034,582
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Earnings per share: | ​ |  |  | ​ |  |  | ​ |  |  | ​ |  |
Basic | ​ | $ | 0.76 | ​ | $ | 0.74 | ​ | $ | 2.07 | ​ | $ | 1.97
Diluted | ​ | $ | 0.76 | ​ | $ | 0.73 | ​ | $ | 2.06 | ​ | $ | 1.96
(1) | Average diluted shares outstanding are computed using the treasury stock method.

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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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