Selected Quarterly Financial Data (Unaudited) - Summary of Selected Quarterly Financial Data (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended								12 Months Ended
	Dec. 31, 2023	Sep. 30, 2023	Jun. 30, 2023	Mar. 31, 2023	Dec. 31, 2022	Sep. 30, 2022	Jun. 30, 2022	Mar. 31, 2022	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Operating expenses:
Research and development	$ 30,866	$ 25,347	$ 21,938	$ 24,395	$ 20,539	$ 18,242	$ 12,582	$ 11,350	$ 102,546	$ 62,713	$ 27,996
General and administrative	6,462	5,772	5,719	5,636	5,737	5,242	4,892	5,050	23,589	20,921	13,671
Total operating expenses	37,328	31,119	27,657	30,031	26,276	23,484	17,474	16,400	126,135	83,634	41,667
Loss from operations	(37,328)	(31,119)	(27,657)	(30,031)	(26,276)	(23,484)	(17,474)	(16,400)	(126,135)	(83,634)	(41,667)
Interest and other income, net	2,444	2,690	2,766	980	962	594	216	34	8,880	1,806	100
Net loss	$ (34,884)	$ (28,429)	$ (24,891)	$ (29,051)	$ (25,314)	$ (22,890)	$ (17,258)	$ (16,366)	$ (117,255)	$ (81,828)	$ (41,567)
Net loss per share, basic	$ (0.98)	$ (0.8)	$ (0.7)	$ (0.98)	$ (0.86)	$ (0.78)	$ (0.59)	$ (0.56)	$ (3.44)	$ (2.80)	$ (1.74)
Net loss per share, diluted	$ (0.98)	$ (0.8)	$ (0.7)	$ (0.98)	$ (0.86)	$ (0.78)	$ (0.59)	$ (0.56)	$ (3.44)	$ (2.80)	$ (1.74)
Weighted-average number of common shares used to compute basic net loss per common share	35,754,165	35,653,988	35,348,293	29,586,468	29,441,596	29,319,042	29,196,398	29,126,088	34,106,923	29,271,777	23,858,552
Weighted-average number of common shares used to compute diluted net loss per common share	35,754,165	35,653,988	35,348,293	29,586,468	29,441,596	29,319,042	29,196,398	29,126,088	34,106,923	29,271,777	23,858,552