Property and Equipment - Summary of Property and Equipment, Net (Details) - USD ($) $ in Thousands	Dec. 31, 2023	Dec. 31, 2022
Property Plant And Equipment [Line Items]
Property and equipment	$ 1,865	$ 2,123
Less: accumulated depreciation and amortization	(1,185)	(1,204)
Property and equipment, net	680	919
Furniture and Fixtures
Property Plant And Equipment [Line Items]
Property and equipment	116	184
Computer Equipment and Software
Property Plant And Equipment [Line Items]
Property and equipment	269	477
Office Equipment
Property Plant And Equipment [Line Items]
Property and equipment	44	60
Leasehold Improvements
Property Plant And Equipment [Line Items]
Property and equipment	885	975
Capitalized Internal-Use Software Costs
Property Plant And Equipment [Line Items]
Property and equipment	$ 551	$ 427