Condensed Consolidated Statements of Comprehensive Loss - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2021	Sep. 30, 2020	Sep. 30, 2021	Sep. 30, 2020
Condensed Consolidated Statements of Comprehensive Loss
Net loss attributable to the Company	$ (106,671)	$ (65,217)	$ (267,051)	$ (112,050)
Foreign currency translation (loss) gain	(172)	687	(714)	558
Change in net unrealized loss on available-for-sale securities	(2,200)		(4,075)
Comprehensive loss attributable to the Company	(109,043)	(64,530)	(271,840)	(111,492)
Preferred stock dividends declared				(26)
Comprehensive loss attributable to common stockholders	$ (109,043)	$ (64,530)	$ (271,840)	$ (111,518)