Earnings Per Common Share (Computation of Earnings Per Common Share) (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands |
3 Months Ended | 6 Months Ended | ||
|---|---|---|---|---|
Jun. 30, 2026 |
Jun. 30, 2025 |
Jun. 30, 2026 |
Jun. 30, 2025 |
|
| Earnings Per Share [Abstract] | ||||
| Net income to common shareholders | $ 126,961 | $ 113,531 | $ 174,383 | $ 233,035 |
| Net income allocated to participating securities - basic and diluted | 330 | 486 | 489 | 1,007 |
| Net income allocated to common shareholders - basic | 126,631 | 113,045 | 173,894 | 232,028 |
| Net income allocated to common shareholders - diluted | $ 126,631 | $ 113,045 | $ 173,894 | $ 232,028 |
| Weighted-average common shares - basic | 80,934 | 85,577 | 81,302 | 85,833 |
| Dilutive potential common shares | 551 | 366 | 566 | 370 |
| Weighted-average common shares - diluted | 81,485 | 85,943 | 81,868 | 86,203 |
| Earnings per common share: Basic | $ 1.56 | $ 1.32 | $ 2.14 | $ 2.70 |
| Earnings per common share: Diluted | $ 1.55 | $ 1.32 | $ 2.12 | $ 2.69 |
| X | ||||||||||
- Definition Net income loss allocated to common shareholders basic. No definition available.
|
| X | ||||||||||
- Definition Net income loss allocated to common shareholders diluted. No definition available.
|
| X | ||||||||||
- Definition Earnings allocated (not distributed) to participating securities under the two-class method to the extent that participating securities may share in earnings as if all of the earnings for the period had been distributed. No definition available.
|
| X | ||||||||||
- References No definition available.
|
| X | ||||||||||
- Definition The amount of net income (loss) for the period per each share of common stock or unit outstanding during the reporting period. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
|
| X | ||||||||||
- Definition The amount of net income (loss) for the period available to each share of common stock or common unit outstanding during the reporting period and to each share or unit that would have been outstanding assuming the issuance of common shares or units for all dilutive potential common shares or units outstanding during the reporting period. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
|
| X | ||||||||||
- Definition Amount, after deduction of tax, noncontrolling interests, dividends on preferred stock and participating securities; of income (loss) available to common shareholders. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
|
| X | ||||||||||
- Definition The sum of dilutive potential common shares or units used in the calculation of the diluted per-share or per-unit computation. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
|
| X | ||||||||||
- Definition The average number of shares or units issued and outstanding that are used in calculating diluted EPS or earnings per unit (EPU), determined based on the timing of issuance of shares or units in the period. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
|
| X | ||||||||||
- Definition Number of [basic] shares or units, after adjustment for contingently issuable shares or units and other shares or units not deemed outstanding, determined by relating the portion of time within a reporting period that common shares or units have been outstanding to the total time in that period. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
|