Condensed Consolidated Statements of Operations (unaudited) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2022	Jun. 30, 2021
Operating expenses:
Research and development	$ 22,560	$ 9,914	$ 37,563	$ 22,547
General and administrative	14,159	5,525	26,904	8,990
Total operating expenses	36,719	15,439	64,467	31,537
Loss from operations	(36,719)	(15,439)	(64,467)	(31,537)
Interest income (expense), net	189	(7)	191	(14)
Other expense, net	0	(27)	(1)	(24)
Net loss	(36,530)	(15,473)	(64,277)	(31,575)
Net loss attributable to redeemable convertible noncontrolling interests	0	(1,191)	0	(2,109)
Exchange of redeemable noncontrolling interest shares-deemed dividend	0	(99,994)	0	(99,994)
Net loss attributable to common stockholders/members	$ (36,530)	$ (114,276)	$ (64,277)	$ (129,460)
Net loss per share, Basic	$ (0.60)	$ (5.04)	$ (1.08)	$ (10.81)
Net loss per share, Diluted	$ (0.60)	$ (5.04)	$ (1.08)	$ (10.81)
Weighted-average number of common shares used in computing net loss per share, basic	60,760,527	22,661,889	59,586,529	11,976,577
Weighted-average number of common shares used in computing net loss per share, Diluted	60,760,527	22,661,889	59,586,529	11,976,577