CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS AND COMPREHENSIVE LOSS - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2023	Mar. 31, 2022
Income Statement [Abstract]
Revenue from contract with customer	$ 25,260	$ 0
Operating expenses:
Research and development	23,102	15,718
General and administrative	7,938	6,433
Total operating expenses	31,040	22,151
Loss from operations	(5,780)	(22,151)
Other income:
Interest and other income	2,657	480
Total other income	2,657	480
Loss before provision for income taxes	(3,123)	(21,671)
Provision for income taxes	(3,551)	0
Net loss	$ (6,674)	$ (21,671)
Net loss per share attributable to common stockholders, basic (in dollars per share)	$ (0.21)	$ (0.69)
Net loss per share attributable to common stockholders, diluted (in dollars per share)	$ (0.21)	$ (0.69)
Weighted-average common shares outstanding, basic (in shares)	32,374,299	31,246,916
Weighted-average common shares outstanding, diluted (in shares)	32,374,299	31,246,916
Other comprehensive loss:
Unrealized gain (loss) on marketable securities	$ 1,415	$ (1,535)
Total other comprehensive gain (loss)	1,415	(1,535)
Total comprehensive loss	$ (5,259)	$ (23,206)