Condensed Consolidated Statements of Operations and Comprehensive Loss (Unaudited) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2024	Jun. 30, 2023	Jun. 30, 2024	Jun. 30, 2023
Operating expenses:
Research and development	$ 44,865	$ 34,915	$ 92,293	$ 57,221
General and administrative	8,571	7,214	18,420	13,432
Total operating expenses	53,436	42,129	110,713	70,653
Loss from operations	(53,436)	(42,129)	(110,713)	(70,653)
Interest expense	(874)	(894)	(1,737)	(2,969)
Interest income and other, net	6,473	4,630	13,029	6,393
Net loss before income tax	(47,837)	(38,393)	(99,421)	(67,229)
Income tax expense	(134)	0	(231)	0
Net loss	(47,971)	(38,393)	(99,652)	(67,229)
Other comprehensive (loss) income:
Unrealized loss on marketable securities	(169)	(355)	(883)	(241)
Foreign currency translation adjustments	5	1	10	(3)
Total other comprehensive loss	(164)	(354)	(873)	(244)
Comprehensive loss	$ (48,135)	$ (38,747)	$ (100,525)	$ (67,473)
Net loss per share, basic	$ (0.48)	$ (0.52)	$ (1.02)	$ (1.06)
Net loss per share, diluted	$ (0.48)	$ (0.52)	$ (1.02)	$ (1.06)
Weighted-average shares used to compute net loss per share, basic	99,831,111	74,126,569	97,838,926	63,706,856
Weighted-average shares used to compute net loss per share, diluted	99,831,111	74,126,569	97,838,926	63,706,856