Capital Stock (Details 3) - shares shares in Thousands	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Restricted stock units
Antidilutive securities
Number of securities not included in computation of diluted earnings per share (in shares)	1,219	672	0
Stock Appreciation Rights (SARs)
Antidilutive securities
Number of securities not included in computation of diluted earnings per share (in shares)	2,303	2,092	826
Performance Shares [Member]
Antidilutive securities
Number of securities not included in computation of diluted earnings per share (in shares)	1,341	1,040	865