Condensed Consolidated Statements of Operations and Comprehensive Income (Loss) (Unaudited) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2025	Jun. 30, 2024	Jun. 30, 2025	Jun. 30, 2024
Operating expenses:
Research and development	$ 32,275	$ 34,696	$ 61,859	$ 92,271
General and administrative	9,070	12,220	18,527	24,451
Total operating expenses	41,345	46,916	80,386	116,722
Loss from operations	(41,345)	(46,916)	(80,386)	(116,722)
Interest income and other, net	4,391	6,637	9,363	13,505
Loss before income taxes	(36,954)	(40,279)	(71,023)	(103,217)
Income tax expense	(207)	(243)	(410)	(474)
Net loss	(37,161)	(40,522)	(71,433)	(103,691)
Other comprehensive loss
Unrealized loss on available-for-sale investments	(81)	(99)	(196)	(487)
Comprehensive loss	$ (37,242)	$ (40,621)	$ (71,629)	$ (104,178)
Net loss per share - basic and diluted
Net loss per share - basic	$ (0.44)	$ (0.48)	$ (0.85)	$ (1.23)
Net loss per share - diluted	$ (0.44)	$ (0.48)	$ (0.85)	$ (1.23)
Weighted-average number of common shares - basic and diluted
Weighted-average number of common shares - basic	83,747,335	84,253,700	84,449,318	84,069,646
Weighted-average number of common shares - diluted	83,747,335	84,253,700	84,449,318	84,069,646