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	$ (223,485)	$ (100,077)	$ (89,217)
Other comprehensive loss:
Unrealized losses on investments	(120)	(241)
Comprehensive Loss	$ (223,605)	$ (100,318)	$ (89,217)