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
Statement of Comprehensive Income [Abstract]
Net loss	$ (115,490)	$ (89,452)	$ (617,179)	$ (143,297)
Other comprehensive income (loss):
Foreign currency translation adjustment	(73)	285	63	475
Comprehensive loss	$ (115,563)	$ (89,167)	$ (617,116)	$ (142,822)