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Capital Stock - Schedule of Common Stock Activity (Details) - USD ($) $ in Thousands | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 30, 2024 | Sep. 30, 2023 | Sep. 30, 2024 | Sep. 30, 2023
Common Stock |  |  |  |
Common Stock Activity [Roll Forward] |  |  |  |
Beginning balance | $ 320,556 | $ 294,364 | $ 312,324 | $ 281,980
Stock compensation expense | 4,217 | 8,477 | 13,446 | 21,506
Ending balance | 324,609 | 303,417 | 324,609 | 303,417
Treasury Cost |  |  |  |
Common Stock Activity [Roll Forward] |  |  |  |
Beginning balance | (376,556) | (362,025) | (361,684) | (359,838)
Stock compensation expense | 0 | 0 | 0 | 0
Ending balance | (386,822) | (361,773) | (386,822) | (361,773)
Restricted and performance stock awards | Common Stock |  |  |  |
Common Stock Activity [Roll Forward] |  |  |  |
Restricted and performance stock awards | (275) | (15) | (2,058) | (1,449)
Restricted and performance stock awards | Treasury Cost |  |  |  |
Common Stock Activity [Roll Forward] |  |  |  |
Restricted and performance stock awards | 275 | 15 | 2,058 | 1,449
Stock options exercised | Common Stock |  |  |  |
Common Stock Activity [Roll Forward] |  |  |  |
Stock compensation expense | 111 | 591 | 323 | 948
Stock options exercised | Treasury Cost |  |  |  |
Common Stock Activity [Roll Forward] |  |  |  |
Stock compensation expense | 57 | 307 | 171 | 492
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 | (571) | (70) | (7,400) | (3,941)
Employee stock purchase program | Common Stock |  |  |  |
Common Stock Activity [Roll Forward] |  |  |  |
Stock compensation expense |  |  | 574 | 432
Employee stock purchase program | Treasury Cost |  |  |  |
Common Stock Activity [Roll Forward] |  |  |  |
Stock compensation expense |  |  | 60 | 65
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 | $ (10,027) | $ 0 | $ (20,027) | $ 0

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