Shareholders' Equity - Rollforward of Shares Issued and Outstanding (Details) - shares	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Shares issued - beginning balance (in shares)	44,444,831
Shares outstanding - beginning balance (in shares)	44,444,831
Shares issued - ending balance (in shares)	43,717,836	44,444,831
Shares outstanding - ending balance (in shares)	43,717,836	44,444,831
Common shares
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Shares issued - beginning balance (in shares)	44,445,000	50,811,000	44,148,000
Shares outstanding - beginning balance (in shares)	44,445,000	50,811,000	44,148,000
Issuance of shares (in shares)	0	0	6,777,000
Repurchase of shares (in shares)	(1,051,000)	(6,579,000)	(406,000)
Exercise of options and issuance of restricted stock awards (in shares)	324,000	213,000	292,000
Shares issued - ending balance (in shares)	43,718,000	44,445,000	50,811,000
Shares outstanding - ending balance (in shares)	43,718,000	44,445,000	50,811,000