Condensed Consolidated Statements of Comprehensive Loss - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2021	Mar. 31, 2020
Condensed Consolidated Statements of Comprehensive Loss
Net loss attributable to the Company	$ (60,746)	$ (37,432)
Other comprehensive gain (loss) - Foreign currency translation loss	(1,123)	(236)
Other comprehensive gain (loss) - Change in net unrealized gain on available-for-sale securities	92
Comprehensive loss attributable to the Company	(61,777)	(37,668)
Preferred stock dividends declared		(13)
Comprehensive loss attributable to common stockholders	$ (61,777)	$ (37,681)