Capital Stock - Changes in Outstanding Common Stock (Details) - shares shares in Thousands	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Changes in Common Stock [Roll Forward]
Outstanding, beginning of year (in shares)	111,669	111,452	109,331
Shares issued for exercise of options (in shares)	0	0	0
Shares issued for time vested restricted stock (net of forfeitures) (in shares)	0	129	1,918
Shares issued for employee stock purchase plan (in shares)	0	88	203
Outstanding, end of year (in shares)	111,669	111,669	111,452