Condensed Consolidated Statements of Comprehensive Loss - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2023	Sep. 30, 2022	Sep. 30, 2023	Sep. 30, 2022
Statement of Comprehensive Income [Abstract]
Net loss	$ (37,411)	$ (36,690)	$ (122,317)	$ (115,429)
Change in unrealized gain (loss) on available-for-sale debt securities	0	149	593	(983)
Comprehensive loss	$ (37,411)	$ (36,541)	$ (121,724)	$ (116,412)