Condensed Consolidated Statements of Comprehensive Loss - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2022	Sep. 30, 2021	Sep. 30, 2022	Sep. 30, 2021
Statement of Comprehensive Income [Abstract]
Net loss	$ (113,161)	$ (115,490)	$ (333,659)	$ (617,179)
Other comprehensive income (loss):
Unrealized net loss on available-for-sale securities	(2,086)	0	(2,086)	0
Foreign currency translation adjustment	(1,281)	(73)	(2,427)	63
Comprehensive loss	$ (116,528)	$ (115,563)	$ (338,172)	$ (617,116)