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	$ 2,048	$ 1,589
Operating expenses:
Research and development	15,865	10,184
General and administrative	6,464	4,947
Total operating expenses	22,329	15,131
Loss from operations	(20,281)	(13,542)
Other income:
Interest income	2,822	132
Total other income	2,822	132
Net loss	(17,459)	(13,410)
Other comprehensive loss:
Unrealized gain (loss) on available-for-sale securities, net	796	(1,567)
Comprehensive loss	$ (16,663)	$ (14,977)
Net loss per common share, basic	$ (0.42)	$ (0.32)
Net loss per common share, diluted	$ (0.42)	$ (0.32)
Weighted-average shares of common stock outstanding, basic	41,763,971	41,315,482
Weighted-average shares of common stock outstanding diluted	41,763,971	41,315,482