Consolidated Statements of Comprehensive Income (Loss) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020
Statement Of Income And Comprehensive Income [Abstract]
Net loss	$ (103,954)	$ (99,594)
Other comprehensive income (loss):
Foreign currency translation adjustment	1,786	(1,607)
Unrealized losses on available-for-sale securities, net of tax		(27)
Other comprehensive income (loss), net of tax	1,786	(1,634)
Comprehensive loss	$ (102,168)	$ (101,228)