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EARNINGS PER SHARE (Tables) | 9 Months Ended
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Sep. 30, 2024
EARNINGS PER SHARE |
Schedule of reconciliation of basic to diluted earnings per share | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | Three Months Ended | ​ | Nine Months Ended
​ | ​ | September 30, | ​ | September 30,
(000’s omitted, except per share data) |  | 2024 |  | 2023 |  | 2024 |  | 2023
Net income | ​ | $ | 43,901 | ​ | $ | 44,129 | ​ | $ | 132,688 | ​ | $ | 98,218
Income attributable to unvested stock-based compensation awards | ​ |  | (192) | ​ |  | (158) | ​ |  | (524) | ​ |  | (327)
Income available to common shareholders | ​ | $ | 43,709 | ​ | $ | 43,971 | ​ | $ | 132,164 | ​ | $ | 97,891
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Weighted-average common shares outstanding – basic | ​ |  | 52,520 | ​ |  | 53,502 | ​ |  | 52,807 | ​ |  | 53,673
Basic earnings per share | ​ | $ | 0.83 | ​ | $ | 0.82 | ​ | $ | 2.50 | ​ | $ | 1.82
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Net income | ​ | $ | 43,901 | ​ | $ | 44,129 | ​ | $ | 132,688 | ​ | $ | 98,218
Income attributable to unvested stock-based compensation awards | ​ |  | (192) | ​ |  | (158) | ​ |  | (524) | ​ |  | (327)
Income available to common shareholders | ​ | $ | 43,709 | ​ | $ | 43,971 | ​ | $ | 132,164 | ​ | $ | 97,891
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Weighted-average common shares outstanding – basic | ​ |  | 52,520 | ​ |  | 53,502 | ​ |  | 52,807 | ​ |  | 53,673
Assumed exercise of stock options | ​ |  | 160 | ​ |  | 104 | ​ |  | 104 | ​ |  | 135
Weighted-average common shares outstanding – diluted | ​ |  | 52,680 | ​ |  | 53,606 | ​ |  | 52,911 | ​ |  | 53,808
Diluted earnings per share | ​ | $ | 0.83 | ​ | $ | 0.82 | ​ | $ | 2.50 | ​ | $ | 1.82

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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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