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