Common Stock - Schedule of Common Stock for Future Issuance (Details) - shares	Sep. 30, 2023	Dec. 31, 2022
Class Of Stock [Line Items]
Common stock reserved for future issuance, Total	22,316,592	17,766,601
Outstanding Options to Purchase Common Stock
Class Of Stock [Line Items]
Common stock reserved for future issuance, Total	10,973,121	8,164,375
Unvested Restricted Stock Units Of Common Stock
Class Of Stock [Line Items]
Common stock reserved for future issuance, Total	2,094,080	1,175,032
Available for Future Issuance under the 2020 Incentive Award Plan
Class Of Stock [Line Items]
Common stock reserved for future issuance, Total	6,784,272	6,726,307
Available for issuance under the 2020 Employee Stock Purchase Plan
Class Of Stock [Line Items]
Common stock reserved for future issuance, Total	2,465,119	1,700,887