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EARNINGS PER SHARE (Tables) | 3 Months Ended
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Mar. 31, 2026
EARNINGS PER SHARE |
Schedule of earnings per common share | ​
​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ ​ ​ | Three Months Ended March 31,
​ | ​ | 2026 | ​ ​ ​ | 2025
​ | ​ ​ ​ | (In Thousands, Except Per Share Data)
Basic: | ​ | ​ | ​ | ​ | ​ | ​
Average common shares outstanding | ​ |  | 10,988 | ​ |  | 11,640
Net income |  | $ | 17,476 |  | $ | 17,160
Per common share amount |  | $ | 1.59 |  | $ | 1.47
​ | ​ | ​ | ​ | ​ | ​ | ​
Diluted: | ​ | ​ | ​ | ​ | ​ | ​
Average common shares outstanding | ​ | ​ | 10,988 | ​ | ​ | 11,640
Net effect of dilutive stock options – based on the treasury stock method using average market price | ​ | ​ | 61 | ​ | ​ | 52
Diluted common shares | ​ | ​ | 11,049 | ​ | ​ | 11,692
Net income |  | $ | 17,476 |  | $ | 17,160
Per common share amount |  | $ | 1.58 |  | $ | 1.47
​

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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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