Condensed Consolidated Statements of Comprehensive Loss (Unaudited) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2021	Sep. 30, 2020	Sep. 30, 2021	Sep. 30, 2020
Statement Of Income And Comprehensive Income [Abstract]
NET LOSS	$ (110,556)	$ (805)	$ (229,415)	$ (18,772)
OTHER COMPREHENSIVE LOSS:
Foreign currency translation adjustments	(259)	(19)	(305)	(28)
Other comprehensive loss	(259)	(19)	(305)	(28)
COMPREHENSIVE LOSS	$ (110,815)	$ (824)	$ (229,720)	$ (18,800)