Consolidated Statements of Operations - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022
Income Statement [Abstract]
Revenue related party	$ 0	$ 24,990
Operating expenses:
Research and development	106,043	71,246
General and administrative	26,533	26,295
Goodwill impairment	19,462	0
Total operating expenses	152,038	97,541
Loss from operations	(152,038)	(72,551)
Interest income	9,978	3,760
Interest expense	(25)	(80)
Other expense, net	(573)	(919)
Loss before income tax provision	(142,658)	(69,790)
Income tax provision	0	0
Net loss	$ (142,658)	$ (69,790)
Net loss per share attributable to common stockholders, basic	$ (3.31)	$ (1.7)
Net loss per share attributable to common stockholders, diluted	$ (3.31)	$ (1.7)
Weighted-average common shares used in computing net income (loss) per share attributable to common stockholders, basic	43,042,405	41,080,286
Weighted-average common shares used in computing net income (loss) per share attributable to common stockholders, diluted	43,042,405	41,080,286