Earnings Per Share (Information Related to EPS Calculation) (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2022	Jun. 30, 2021
Net income (loss)
Net income (loss)	$ 21,432	$ 3,617	$ 23,603	$ (64,542)
Net (income) loss attributable to noncontrolling interests	132	1,224	83	2,789
Net income (loss) attributable to common stockholders, basic	21,564	4,841	23,686	(61,753)
Net income (loss) attributable to common stockholders, diluted	$ 21,564	$ 4,841	$ 23,686	$ (61,753)
Shares
Weighted-average common shares outstanding - basic (in shares)	50,786	55,704	51,612	55,691
Restricted stock and stock options (in shares)	36	53	39	0
Weighted-average common shares outstanding - diluted (in shares)	50,822	55,757	51,651	55,691
Net income (loss) per common share
Basic income (loss) per share (in dollars per share)	$ 0.42	$ 0.09	$ 0.46	$ (1.11)
Diluted income (loss) per share (in dollars per share)	$ 0.42	$ 0.09	$ 0.46	$ (1.11)