Nature of Business and Summary of Significant Accounting Policies - Schedule of Net Property and Equipment (Details) - USD ($) $ in Thousands	Dec. 31, 2023	Dec. 31, 2022
Property, Plant and Equipment [Line Items]
Property and equipment, gross	$ 175,945	$ 193,338
Less: accumulated depreciation	(138,089)	(140,839)
Property and equipment, net	37,856	52,499
Computer and office equipment
Property, Plant and Equipment [Line Items]
Property and equipment, gross	$ 118,805	132,133
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	$ 32,660	34,159
Building and improvements
Property, Plant and Equipment [Line Items]
Property and equipment, gross	$ 14,492	15,061
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	$ 8,803	10,200
Land
Property, Plant and Equipment [Line Items]
Property and equipment, gross	$ 1,185	$ 1,785