Condensed Consolidated Statements of Comprehensive Loss (unaudited) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2023	Sep. 30, 2022	Sep. 30, 2023	Sep. 30, 2022
Net loss	$ (46,150)	$ (37,795)	$ (134,406)	$ (102,072)
Other comprehensive loss:
Unrealized gain (loss) on available-for-sale securities	2	(389)	64	(392)
Total comprehensive loss	$ (46,148)	$ (38,184)	$ (134,342)	$ (102,464)