Property and Equipment, Net - Schedule of Property and Equipment, Net (Details) - USD ($) $ in Thousands		Mar. 31, 2024	Dec. 31, 2023
Property Plant And Equipment [Line Items]
Property and equipment, gross		$ 24,778	$ 24,622
Less accumulated depreciation and amortization		(17,409)	(16,317)
Property and equipment, net		7,369	8,305
Furniture and Equipment
Property Plant And Equipment [Line Items]
Property and equipment, gross		$ 1,913	1,965
Property and equipment, useful life in years		5 years
Leasehold Improvements
Property Plant And Equipment [Line Items]
Property and equipment, gross	[1]	$ 9,424	9,371
Property and equipment, useful life in years	[1]	9 years
Systems Hardware
Property Plant And Equipment [Line Items]
Property and equipment, gross		$ 1,923	1,928
Property and equipment, useful life in years		5 years
Office Computers
Property Plant And Equipment [Line Items]
Property and equipment, gross		$ 9,076	8,950
Property and equipment, useful life in years		3 years
Computer and System Software
Property Plant And Equipment [Line Items]
Property and equipment, gross		$ 2,442	$ 2,408
Property and equipment, useful life in years		3 years

[1] Lesser of the lease term or the estimated useful lives of the improvements, which may be up to 9 years as of March 31, 2024.