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Capital Stock - Schedule of Common Stock Activity (Details) - USD ($) $ in Thousands | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 30, 2025 | Sep. 30, 2024 | Sep. 30, 2025 | Sep. 30, 2024
Common Stock |  |  |  |
Common Stock Activity [Roll Forward] |  |  |  |
Beginning balance | $ 336,175 | $ 320,556 | $ 329,953 | $ 312,324
Stock compensation expense | (3,351) | (4,217) | (11,350) | (13,446)
Ending balance | 339,256 | 324,609 | 339,256 | 324,609
Treasury Cost |  |  |  |
Common Stock Activity [Roll Forward] |  |  |  |
Beginning balance | (442,123) | (376,556) | (396,604) | (361,684)
Stock compensation expense | 0 | 0 | 0 | 0
Ending balance | (442,989) | (386,822) | (442,989) | (386,822)
Restricted and performance stock awards | Common Stock |  |  |  |
Common Stock Activity [Roll Forward] |  |  |  |
Restricted and performance stock awards | 278 | 275 | 3,285 | 2,058
Restricted and performance stock awards | Treasury Cost |  |  |  |
Common Stock Activity [Roll Forward] |  |  |  |
Restricted and performance stock awards | (278) | (275) | 3,285 | 2,058
Stock options exercised | Common Stock |  |  |  |
Common Stock Activity [Roll Forward] |  |  |  |
Stock compensation expense | (8) | (111) | (303) | (323)
Stock options exercised | Treasury Cost |  |  |  |
Common Stock Activity [Roll Forward] |  |  |  |
Stock compensation expense | (6) | (57) | (208) | (171)
Treasury shares purchased for stock compensation programs | Common Stock |  |  |  |
Common Stock Activity [Roll Forward] |  |  |  |
Treasury shares purchased for stock compensation programs | 0 | 0 | 0 | 0
Treasury shares purchased for stock compensation programs | Treasury Cost |  |  |  |
Common Stock Activity [Roll Forward] |  |  |  |
Treasury shares purchased for stock compensation programs | (1,150) | (571) | (10,030) | (7,400)
Employee stock purchase program | Common Stock |  |  |  |
Common Stock Activity [Roll Forward] |  |  |  |
Stock compensation expense |  |  | (935) | (574)
Employee stock purchase program | Treasury Cost |  |  |  |
Common Stock Activity [Roll Forward] |  |  |  |
Stock compensation expense |  |  | (147) | (60)
Share repurchase program | Common Stock |  |  |  |
Common Stock Activity [Roll Forward] |  |  |  |
Stock compensation expense | 0 | 0 | 0 | 0
Share repurchase program | Treasury Cost |  |  |  |
Common Stock Activity [Roll Forward] |  |  |  |
Stock compensation expense | $ 0 | $ (10,027) | $ (39,995) | $ (20,027)

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