Unaudited Condensed Statements of Operations and Comprehensive Loss - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2023	Mar. 31, 2022
Income Statement [Abstract]
Collaboration revenue	$ 1,105	$ 3,919
Operating expenses:
Research and development	36,417	27,930
General and administrative	13,392	8,085
Total operating expense	49,809	36,015
Loss from operations	(48,704)	(32,096)
Other income:
Interest income	7,828	30
Total other income	7,828	30
Net loss	(40,876)	(32,066)
Other comprehensive gain:
Unrealized gain on marketable securities, net	197
Comprehensive loss	$ (40,679)	$ (32,066)
Net loss per share, basic	$ (0.86)	$ (0.82)
Net loss per share, diluted	$ (0.86)	$ (0.82)
Weighted average shares outstanding, basic	47,461,230	39,006,794
Weighted average shares outstanding, diluted	47,461,230	39,006,794