Property and Equipment - Schedule of Property and Equipment (Details) - USD ($) $ in Thousands	Sep. 30, 2022	Dec. 31, 2021
Property Plant And Equipment [Line Items]
Gross property and equipment	$ 39,029	$ 73,094
Less: Accumulated depreciation	(37,572)	(67,652)
Property and equipment, net	1,457	5,442
Computer Equipment
Property Plant And Equipment [Line Items]
Gross property and equipment	7,754	8,017
Leasehold Improvements
Property Plant And Equipment [Line Items]
Gross property and equipment	23,728	54,500
Furniture, Fixtures, and Other Assets
Property Plant And Equipment [Line Items]
Gross property and equipment	$ 7,547	$ 10,577