Net Income (Loss) Per Common Share - Computation of Basic and Diluted EPS (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2022	Sep. 30, 2021	Sep. 30, 2022	Sep. 30, 2021
Numerator
Income (loss) from continuing operations	$ (30,503)	$ (36,993)	$ (50,815)	$ (348,058)
Noncontrolling interests' share in (earnings) loss from continuing operations	71	115	228	284
Net income (loss) attributable to common stockholders before discontinued operations	(30,432)	(36,878)	(50,587)	(347,774)
Income (loss) from discontinued operations	(236)	1,035	500	(1,992)
Net income (loss) attributable to common shares	$ (30,668)	$ (35,843)	$ (50,087)	$ (349,766)
Denominator
Weighted average shares outstanding - basic	411,065	391,229	406,823	365,018
Weighted average shares outstanding - diluted	411,065	391,229	406,823	365,018
Net income (loss) per share attributable to common stockholders
Income (Loss) from Continuing Operations, Per Basic Share	$ (0.07)	$ (0.09)	$ (0.12)	$ (0.95)
Income (Loss) from Continuing Operations, Per Diluted Share	(0.07)	(0.09)	(0.12)	(0.95)
Discontinued Operation, Income (Loss) from Discontinued Operation, Net of Tax, Per Basic Share	0	0	0	(0.01)
Discontinued Operation, Income (Loss) from Discontinued Operation, Net of Tax, Per Diluted Share	$ 0	$ 0	$ 0	$ (0.01)