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Capital Stock - Summary of Common Stock Activity (Details) - shares	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Common shares outstanding at beginning of period (in shares)	119,945,302	126,131,799	134,801,030
Shares repurchased (in shares)	(143,736)	(6,574,610)	(9,121,328)
Common shares outstanding at end of period (in shares)	120,644,313	119,945,302	126,131,799
Restricted stock
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Restricted stock issued to employees, net of forfeitures and Shares issued to non-employee directors (in shares)	820,343	370,178	435,129
Share-based Payment Arrangement \| Share-based Payment Arrangement, Nonemployee
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Restricted stock issued to employees, net of forfeitures and Shares issued to non-employee directors (in shares)	22,404	17,935	16,968

Number of shares that have been repurchased during the period and have not been retired and are not held in treasury. Some state laws may govern the circumstances under which an entity may acquire its own stock and prescribe the accounting treatment therefore. This element is used when state law does not recognize treasury stock.

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