Earnings Per Share - Computations Of Basic And Diluted EPS (Details) - USD ($) shares in Thousands, $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Basic:
Net income (loss) attributable to common shareholders	$ (61,538)	$ 22,174	$ 57,919
Less: Undistributed earnings allocated to participating securities		(140)	(487)
Less: Accretion of redeemable noncontrolling interests	(241)	(2,400)	(143)
Net income (loss) available to common shareholders, basic	$ (61,779)	$ 19,634	$ 57,289
Weighted average number of shares outstanding, basic (in shares)	150,056	148,993	147,536
Diluted:
Net income (loss) available to common shareholders, basic	$ (61,779)	$ 19,634	$ 57,289
Weighted average number of shares outstanding, basic (in shares)	150,056	148,993	147,536
Effect of dilutive securities:
Share-based awards other than participating securities (in shares)		904	2,041
Undistributed earnings reallocated to participating securities		$ 1	$ 6
Net income (loss) available to common shareholders, diluted	$ (61,779)	$ 19,635	$ 57,295
Weighted average number of shares outstanding, diluted (in shares)	150,056	149,897	149,577