Net Income (Loss) per Share - Antidilutive securities (Details) - shares	3 Months Ended		9 Months Ended
	Sep. 30, 2023	Sep. 30, 2022	Sep. 30, 2023	Sep. 30, 2022
Antidilutive securities excluded from common stock
Antidilutive securities excluded from common stock (in shares)	3,492,264	5,515,912	3,621,505	5,515,912
Unvested restricted common stock
Antidilutive securities excluded from common stock
Antidilutive securities excluded from common stock (in shares)	11,299	445,445	12,198	445,445
Unvested shares from early exercises
Antidilutive securities excluded from common stock
Antidilutive securities excluded from common stock (in shares)	0	67,737	0	67,737
Stock options to purchase common stock
Antidilutive securities excluded from common stock
Antidilutive securities excluded from common stock (in shares)	3,480,965	5,002,730	3,609,307	5,002,730