Nature of Business and Summary of Significant Accounting Policies - Summary of Property and Equipment Estimated Useful Lives and Balances (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021
Property, Plant and Equipment [Line Items]
Property and equipment, gross	$ 193,338	$ 188,183
Less: accumulated depreciation	(140,839)	(125,133)
Property and equipment, net	52,499	63,050
Computer and office equipment
Property, Plant and Equipment [Line Items]
Property and equipment, gross	$ 132,133	127,352
Computer and office equipment | Minimum
Property, Plant and Equipment [Line Items]
Useful Lives	3 years
Computer and office equipment | Maximum
Property, Plant and Equipment [Line Items]
Useful Lives	5 years
Leasehold improvements
Property, Plant and Equipment [Line Items]
Property and equipment, gross	$ 34,159	34,460
Building and improvements
Property, Plant and Equipment [Line Items]
Property and equipment, gross	$ 15,061	14,853
Building and improvements | Minimum
Property, Plant and Equipment [Line Items]
Useful Lives	7 years
Building and improvements | Maximum
Property, Plant and Equipment [Line Items]
Useful Lives	30 years
Furniture and fixtures
Property, Plant and Equipment [Line Items]
Useful Lives	7 years
Property and equipment, gross	$ 10,200	9,733
Land
Property, Plant and Equipment [Line Items]
Property and equipment, gross	$ 1,785	$ 1,785