Condensed Consolidated Statements of Comprehensive Loss - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2021	Jun. 30, 2020	Jun. 30, 2021	Jun. 30, 2020
Condensed Consolidated Statements of Comprehensive Loss
Net loss attributable to the Company	$ (99,634)	$ (9,401)	$ (160,380)	$ (46,833)
Foreign currency translation (loss) gain	581	107	(542)	(129)
Change in net unrealized loss on available-for-sale securities	(1,967)		(1,875)
Comprehensive loss attributable to the Company	(101,020)	(9,294)	(162,797)	(46,962)
Preferred stock dividends declared		(13)		(26)
Comprehensive loss attributable to common stockholders	$ (101,020)	$ (9,307)	$ (162,797)	$ (46,988)