Related Party Transactions - Additional Information (Details) - USD ($)	1 Months Ended	3 Months Ended		6 Months Ended
	Jan. 31, 2016	Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2022	Jun. 30, 2021	Dec. 31, 2021
Related Party Transaction [Line Items]
Preferred stock shares issued to related party (in shares)		0		0		0
Amounts due from related party			$ 0		$ 0
Novartis Institutes for Biomedical Research, Inc. | Novartis Collaboration
Related Party Transaction [Line Items]
Payment for reimbursement of manufacturing costs incurred		$ 0	0	$ 0	0
Amounts due from related party		0		0
Revenue		0	0	0	0
Novartis Institutes for Biomedical Research, Inc. | Novartis Collaboration | Minimum
Related Party Transaction [Line Items]
Percentage of share holding (as a percent)	5.00%
Novartis Institutes for Biomedical Research, Inc. | Novartis Collaboration | Series A One Redeemable Convertible Preferred Stock
Related Party Transaction [Line Items]
Preferred stock shares issued to related party (in shares)	2,000,000
Gross proceeds from issuance of preference stock	$ 13,500,000
Novartis Institutes for Biomedical Research, Inc. | Novartis Collaboration | Private Placement
Related Party Transaction [Line Items]
Common stock, issued (in shares)	766,666
Share price (in dollars per share)	$ 15.00
Proceeds from issuance of private placement	$ 11,500,000
Vaccinex, Inc. | Vaccinex License Agreement | Research and development expenses
Related Party Transaction [Line Items]
Payments to related party		0	0	0	850,000
Vaccinex, Inc. | Vaccinex Research Agreement
Related Party Transaction [Line Items]
Due to related party		0	0	0	0
Vaccinex, Inc. | Vaccinex Research Agreement | Research and development expenses
Related Party Transaction [Line Items]
Payments to related party		$ 0	$ 0	$ 0	$ 0