Condensed Consolidated Statements of Operations and Comprehensive Loss (Unaudited) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2025	Jun. 30, 2024	Jun. 30, 2025	Jun. 30, 2024
Collaboration revenue	$ 7,874	$ 15,083	$ 11,548	$ 30,976
Operating expenses:
Research and development	27,611	46,314	61,252	91,481
General and administrative	14,401	14,375	29,129	28,809
Total operating expenses	42,012	60,689	90,381	120,290
Loss from operations	(34,138)	(45,606)	(78,833)	(89,314)
Other income, net	3,614	7,003	7,838	14,639
Loss before income taxes	(30,524)	(38,603)	(70,995)	(74,675)
Income tax expense	0	73	0	80
Net loss	(30,524)	(38,676)	(70,995)	(74,755)
Unrealized loss on marketable securities	(95)	(217)	(165)	(804)
Comprehensive loss	$ (30,619)	$ (38,893)	$ (71,160)	$ (75,559)
Net loss per share, basic	$ (0.3)	$ (0.4)	$ (0.71)	$ (0.78)
Net loss per share, diluted	$ (0.3)	$ (0.4)	$ (0.71)	$ (0.78)
Shares used in computing net loss per share, basic	100,371,632	96,674,921	99,887,605	95,242,548
Shares used in computing net loss per share, diluted	100,371,632	96,674,921	99,887,605	95,242,548