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Earnings per Share (Tables) | 6 Months Ended
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Jun. 30, 2025
Earnings per Share |
Schedule of computation of basic and diluted earnings per share | ​
​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | Three months ended
​ |  | June 30, 2025 |  | June 30, 2024
​ | ​ | (in thousands)
Numerator: | ​ | ​ | ​ | ​ | ​ | ​
Net income | ​ | $ | 130,904 | ​ | $ | 141,152
​ | ​ | ​ | ​ | ​ | ​ | ​
Denominator (number of shares in thousands): | ​ | ​ | ​ | ​ | ​ | ​
Basic weighted average common shares outstanding | ​ |  | 18,344 | ​ |  | 19,348
Effect of dilutive securities: | ​ |  | ​ | ​ |  | ​
Dilutive effect of non-vested shares | ​ |  | 52 | ​ |  | 172
Diluted weighted average common shares outstanding | ​ |  | 18,396 | ​ |  | 19,520
Basic earnings per share (in $ per share) | ​ | $ | 7.14 | ​ | $ | 7.30
Diluted earnings per share (in $ per share) | ​ | $ | 7.12 | ​ | $ | 7.23
​
​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | Six months ended
​ |  | June 30, 2025 |  | June 30, 2024
​ | ​ | (in thousands)
Numerator: | ​ | ​ | ​ | ​ | ​ | ​
Net income | ​ | $ | 246,051 | ​ | $ | 291,650
​ | ​ | ​ | ​ | ​ | ​ | ​
Denominator (number of shares in thousands): | ​ |  | ​ | ​ |  | ​
Basic weighted average common shares outstanding | ​ | ​ | 18,546 | ​ | ​ | 19,380
Effect of dilutive securities: | ​ | ​ | ​ | ​ | ​ | ​
Dilutive effect of non-vested shares | ​ | ​ | 42 | ​ | ​ | 172
Diluted weighted average common shares outstanding | ​ | ​ | 18,588 | ​ | ​ | 19,552
Basic earnings per share (in $ per share) | ​ | $ | 13.27 | ​ | $ | 15.05
Diluted earnings per share (in $ per share) | ​ | $ | 13.24 | ​ | $ | 14.92
​

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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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