Leasehold Improvements and Equipment, Net - Composition of Leasehold Improvements and Equipment (Details) - USD ($) $ in Thousands	Dec. 31, 2022	Dec. 31, 2021
Property, Plant and Equipment [Line Items]
Leasehold improvements and equipment, gross	$ 7,353	$ 7,547
Less: Accumulated depreciation	(4,554)	(4,544)
Leasehold improvements and equipment, net	2,799	3,003
Laboratory equipment
Property, Plant and Equipment [Line Items]
Leasehold improvements and equipment, gross	3,268	3,281
Leasehold improvements
Property, Plant and Equipment [Line Items]
Leasehold improvements and equipment, gross	2,060	2,387
Computer equipment
Property, Plant and Equipment [Line Items]
Leasehold improvements and equipment, gross	602	814
Implementation costs - cloud computing arrangements
Property, Plant and Equipment [Line Items]
Leasehold improvements and equipment, gross	1,075	771
Furniture and fixtures
Property, Plant and Equipment [Line Items]
Leasehold improvements and equipment, gross	176	203
Construction in progress
Property, Plant and Equipment [Line Items]
Leasehold improvements and equipment, gross	$ 172	$ 91