CONSOLIDATED STATEMENTS OF COMPREHENSIVE LOSS - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Statement of Comprehensive Income [Abstract]
Net loss	$ (1,743,751)	$ (418,259)	$ (132,694)
Other comprehensive income (loss):
Net unrealized gains (losses) on marketable securities available-for-sale, net of reclassifications	(9)	9	5
Foreign currency translation adjustment	(8,368)	19,523	(1,322)
Other comprehensive income (loss)	(8,377)	19,532	(1,317)
Comprehensive loss	$ (1,752,128)	$ (398,727)	$ (134,011)