Consolidated Statements of Operations and Comprehensive Loss (unaudited) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2023	Mar. 31, 2022
Income Statement [Abstract]
Revenue—related party	$ 0	$ 24,990
Operating expenses:
Research and development	26,756	13,483
General and administrative	6,566	6,801
Total operating expenses	33,322	20,284
Income (loss) from operations	(33,322)	4,706
Interest income	2,666	32
Interest expense	(19)	(18)
Other expense, net	(206)	(102)
Income (loss) before income tax provision	(30,881)	4,618
Income tax provision	0	0
Net income (loss)	$ (30,881)	$ 4,618
Net income (loss) per share attributable to common stockholders, basic	$ (0.72)	$ 0.12
Net income (loss) per share attributable to common stockholders, diluted	$ (0.72)	$ 0.10
Weighted-average common shares used in computing net income (loss) per share attributable to common stockholders, basic	42,955,688	39,823,246
Weighted-average common shares used in computing net income (loss) per share attributable to common stockholders, diluted	42,955,688	45,958,941