Condensed Consolidated Statements of Operations and Comprehensive Loss - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2025	Mar. 31, 2024
Income Statement [Abstract]
Collaboration revenue	$ 32,976	$ 5,695
Operating expenses:
Research and development	54,458	48,376
General and administrative	15,154	14,163
Total operating expenses	69,612	62,539
Loss from operations	(36,636)	(56,844)
Other income:
Change in fair value of success payment liability	223	78
Interest and other income, net	5,459	8,136
Total other income, net	5,682	8,214
Loss before provision for income taxes	(30,954)	(48,630)
Provision for income taxes	$ (79)	$ (106)
Net loss per common share, basic	$ (0.35)	$ (0.59)
Net loss per common share, diluted	$ (0.35)	$ (0.59)
Weighted-average common shares used in net loss per share, basic	88,795,827	83,132,960
Weighted-average common shares used in net loss per share, diluted	88,795,827	83,132,960
Comprehensive Loss:
Net loss	$ (31,033)	$ (48,736)
Other comprehensive loss:
Unrealized (loss) on marketable securities	(35)	(772)
Comprehensive loss	$ (31,068)	$ (49,508)