Property and Equipment - Summary of Property and Equipment (Details) - USD ($) $ in Thousands	Dec. 31, 2021	Dec. 31, 2020
Property Plant And Equipment [Line Items]
Total property and equipment at cost	$ 69,476	$ 59,147
Less: accumulated depreciation	(44,229)	(38,188)
Total property and equipment, net	25,247	20,959
Leasehold Improvements
Property Plant And Equipment [Line Items]
Total property and equipment at cost	7,627	7,963
Computer Equipment and Related Software
Property Plant And Equipment [Line Items]
Total property and equipment at cost	57,095	45,504
Furniture and Office Equipment
Property Plant And Equipment [Line Items]
Total property and equipment at cost	2,683	4,418
Capital Projects in Process
Property Plant And Equipment [Line Items]
Total property and equipment at cost	$ 2,071	$ 1,262