Property and Equipment, Net - Summary of Property and Equipment, Net (Details) - USD ($) $ in Thousands	Mar. 31, 2023	Dec. 31, 2022
Property, Plant and Equipment [Line Items]
Property and equipment, gross	$ 1,249	$ 1,245
Less: accumulated depreciation	(735)	(688)
Property and equipment, net	514	557
Computer, office and other equipment
Property, Plant and Equipment [Line Items]
Property and equipment, gross	817	813
Computer software
Property, Plant and Equipment [Line Items]
Property and equipment, gross	80	80
Furniture and fixtures
Property, Plant and Equipment [Line Items]
Property and equipment, gross	100	100
Leasehold improvements
Property, Plant and Equipment [Line Items]
Property and equipment, gross	$ 252	$ 252