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EARNINGS PER SHARE (Tables) | 6 Months Ended
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Jun. 30, 2023
EARNINGS PER SHARE |
Schedule of earnings per common share | ​
​ | ​ | ​ | ​ | ​ | ​ | ​
​ |  | Three Months Ended June 30,
​ | ​ | 2023 |  | 2022
​ | ​ | (In Thousands, Except Per Share Data)
Basic: | ​ | ​ | ​ | ​ | ​ | ​
Average common shares outstanding | ​ |  | 12,032 | ​ |  | 12,581
Net income |  | $ | 18,320 |  | $ | 18,224
Per common share amount |  | $ | 1.52 |  | $ | 1.45
​ | ​ | ​ | ​ | ​ | ​ | ​
Diluted: | ​ | ​ | ​ | ​ | ​ | ​
Average common shares outstanding | ​ | ​ | 12,032 | ​ | ​ | 12,581
Net effect of dilutive stock options – based on the treasury stock method using average market price | ​ | ​ | 37 | ​ | ​ | 102
Diluted common shares | ​ | ​ | 12,069 | ​ | ​ | 12,683
Net income |  | $ | 18,320 |  | $ | 18,224
Per common share amount |  | $ | 1.52 |  | $ | 1.44
​
​ | ​ | ​ | ​ | ​ | ​ | ​
​ |  | Six Months Ended June 30,
​ | ​ | 2023 |  | 2022
​ | ​ | (In Thousands, Except Per Share Data)
Basic: | ​ | ​ |  |  | ​ |
Average common shares outstanding | ​ | ​ | 12,116 |  | ​ | 12,775
Net income | ​ | $ | 38,776 | ​ | $ | 35,211
Per common share amount | ​ | $ | 3.20 | ​ | $ | 2.76
​ | ​ | ​ | ​ | ​ | ​ | ​
Diluted: | ​ |  | ​ | ​ |  | ​
Average common shares outstanding | ​ |  | 12,116 | ​ |  | 12,775
Net effect of dilutive stock options – based on the treasury stock method using average market price | ​ |  | 53 | ​ |  | 108
Diluted common shares | ​ |  | 12,169 | ​ |  | 12,883
Net income | ​ | $ | 38,776 | ​ | $ | 35,211
Per common share amount | ​ | $ | 3.19 | ​ | $ | 2.73
​

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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 -Topic 260 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 1 -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org//1943274/2147482662/260-10-50-1 + Details
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