Related Party Transactions - Additional Information (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Aug. 31, 2022
Related Party Transaction [Line Items]
Consulting fees to members of management and board of directors	$ 0.4	$ 0.5
ElevateBio Technologies, Inc | Management and Administrative Services Agreement
Related Party Transaction [Line Items]
Lease expiration term	The agreement has an initial term of five years and will automatically renew for successive one year terms, unless earlier terminated under the terms of the agreement.
BaseCamp
Related Party Transaction [Line Items]
Prepaid expenses			$ 2.0
BaseCamp | DMS Agreement
Related Party Transaction [Line Items]
Lease expiration term	The agreement will expire upon the later of (a) five years from the effective date of January 1, 2019 or (b) the completion of services under all work orders executed prior to the fifth anniversary of the effective date, unless earlier terminated under the terms of the agreement
ElevateBio and Affiliates
Related Party Transaction [Line Items]
Prepaid expenses	$ 0.0	2.0
Expenses related to services with related party	2.6	3.5
Amount due to related party	0.3	$ 0.1
Marker Therapeutics, Inc.
Related Party Transaction [Line Items]
Costs incurred under agreement	$ 0.5
Cost of Revenue, Related Party, Type [Extensible Enumeration]	Related Party [Member]
Amount due to related party	$ 0.5