Earnings Per Share - Computations Of Basic And Diluted EPS (Details) - USD ($) shares in Thousands, $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2023	Sep. 30, 2022	Sep. 30, 2023	Sep. 30, 2022
Basic:
Net income (loss)	$ 15,560	$ (18,763)	$ 17,495	$ (90,493)
Less: Undistributed earnings allocated to participating securities	(27)		(30)
Net income (loss) available to common shareholders, basic	$ 15,533	$ (18,763)	$ 17,465	$ (90,493)
Weighted average number of shares outstanding, basic (in shares)	150,550	151,331	151,031	151,226
Effect of dilutive securities:
Share-based awards other than participating securities (in shares)	3,072		2,905
Undistributed earnings reallocated to participating securities	$ 1		$ 1
Net income (loss) available to common shareholders, diluted	$ 15,534	$ (18,763)	$ 17,466	$ (90,493)
Weighted average number of shares outstanding, diluted (in shares)	153,622	151,331	153,936	151,226