Property and Equipment, Net (Details) - USD ($) $ in Thousands	Sep. 30, 2024	Dec. 31, 2023
Property, Plant and Equipment [Line Items]
Property and equipment, cost	$ 652,369	$ 657,522
Accumulated depreciation	(532,781)	(548,713)
Property and equipment, net	119,588	108,809
Computer hardware
Property, Plant and Equipment [Line Items]
Property and equipment, cost	133,563	150,165
Computer software
Property, Plant and Equipment [Line Items]
Property and equipment, cost	223,364	220,004
Furniture and equipment
Property, Plant and Equipment [Line Items]
Property and equipment, cost	96,917	99,547
Leasehold improvements
Property, Plant and Equipment [Line Items]
Property and equipment, cost	$ 198,525	$ 187,806