Condensed Consolidated Statements of Operations and Comprehensive Loss (unaudited) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2022	Mar. 31, 2021
Operating expenses:
Research and development	$ 15,003	$ 12,632
General and administrative	12,745	3,454
Total operating expenses	27,748	16,086
Loss from operations	(27,748)	(16,086)
Interest income (expense), net	2	(7)
Other expense	(1)	(8)
Net loss and comprehensive loss	(27,747)	(16,101)
Net loss attributable to redeemable convertible noncontrolling interests	0	(919)
Net loss attributable to common stockholders/members	$ (27,747)	$ (15,182)
Net loss per share, basic and diluted	$ (0.48)	$ (2.58)
Weighted-average number of common shares used in computing net loss per share, basic and diluted	58,382,444	5,892,145