Leasehold Improvements and Equipment, Net - Composition of Leasehold Improvements and Equipment (Details) - USD ($) $ in Thousands	Dec. 31, 2023	Dec. 31, 2022
Property, Plant and Equipment [Line Items]
Leasehold improvements and equipment, gross	$ 7,547	$ 7,353
Less: Accumulated depreciation	(5,410)	(4,554)
Leasehold improvements and equipment, net	2,137	2,799
Laboratory equipment
Property, Plant and Equipment [Line Items]
Leasehold improvements and equipment, gross	3,272	3,268
Leasehold improvements
Property, Plant and Equipment [Line Items]
Leasehold improvements and equipment, gross	2,148	2,060
Computer equipment
Property, Plant and Equipment [Line Items]
Leasehold improvements and equipment, gross	665	602
Implementation costs - cloud computing arrangements
Property, Plant and Equipment [Line Items]
Leasehold improvements and equipment, gross	1,135	1,075
Furniture and fixtures
Property, Plant and Equipment [Line Items]
Leasehold improvements and equipment, gross	322	176
Construction in progress
Property, Plant and Equipment [Line Items]
Leasehold improvements and equipment, gross	$ 5	$ 172