Consolidated Statements of Comprehensive Loss - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Statement of Comprehensive Income [Abstract]
Net loss	$ (159,543)	$ (115,254)	$ (110,078)
Other comprehensive loss:
Change in unrealized loss on available-for-sale debt securities	(271)	(401)	(62)
Comprehensive loss	$ (159,814)	$ (115,655)	$ (110,140)