Condensed Consolidated Statements of Comprehensive Loss - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2022	Jun. 30, 2021
Statement of Comprehensive Income [Abstract]
Net loss	$ (70,730)	$ (61,651)	$ (128,248)	$ (114,197)
Other comprehensive income (loss):
Unrealized gain (loss) on available-for-sale securities	(45)	29	(367)	(32)
Comprehensive loss	$ (70,775)	$ (61,622)	$ (128,615)	$ (114,229)