Condensed Statements of Operations and Comprehensive Loss - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2025	Mar. 31, 2024
Operating expenses:
Research and development	$ (43,436)	$ (37,146)
General and administrative	(15,499)	(15,246)
Total operating expenses	(58,935)	(52,392)
Loss from operations	(58,935)	(52,392)
Interest and other income (expense), net	3,568	5,882
Interest expense	(799)	(445)
Net loss	$ (56,166)	$ (46,955)
Earnings Per Share [Abstract]
Net loss per share - basic (USD per share)	$ (0.92)	$ (0.78)
Net loss per share - diluted (USD per share)	$ (0.92)	$ (0.78)
Weighted Average Number of Shares Outstanding, Diluted [Abstract]
Shares used in computing net loss per share - basic (in shares)	61,222,676	60,180,921
Shares used in computing net loss per share - diluted (in shares)	61,222,676	60,180,921
Comprehensive loss:
Net loss	$ (56,166)	$ (46,955)
Net unrealized loss on short-term investments	(162)	(834)
Total other comprehensive loss	(162)	(834)
Comprehensive loss	$ (56,328)	$ (47,789)