Intangible Assets - Schedule of Intangible Assets (Details) - USD ($) $ in Thousands	Jun. 30, 2024	Dec. 31, 2023
Finite Lived Intangible Assets [Line Items]
Gross Carrying Value	$ 847,780	$ 825,211
Accumulated Amortization	431,398	378,070
Net Carrying Value	$ 416,382	$ 447,141
Weighted Average Useful Life (Years)	4 years 2 months 15 days	4 years 8 months 4 days
Client Relationships
Finite Lived Intangible Assets [Line Items]
Gross Carrying Value	$ 523,850	$ 523,850
Accumulated Amortization	216,949	190,591
Net Carrying Value	$ 306,901	$ 333,259
Weighted Average Useful Life (Years)	5 years 9 months 25 days	6 years 3 months 25 days
Channel Relationships
Finite Lived Intangible Assets [Line Items]
Gross Carrying Value	$ 29,885	$ 29,785
Accumulated Amortization	6,402	4,792
Net Carrying Value	$ 23,483	$ 24,993
Weighted Average Useful Life (Years)	7 years 10 months 9 days	8 years 4 months 20 days
Software Costs
Finite Lived Intangible Assets [Line Items]
Gross Carrying Value	$ 269,465	$ 246,996
Accumulated Amortization	203,551	178,323
Net Carrying Value	$ 65,914	$ 68,673
Weighted Average Useful Life (Years)	8 months 23 days	9 months 29 days
Non-Complete Agreements
Finite Lived Intangible Assets [Line Items]
Gross Carrying Value	$ 4,580	$ 4,580
Accumulated Amortization	4,496	4,364
Net Carrying Value	$ 84	$ 216
Weighted Average Useful Life (Years)	1 month 2 days	2 months 23 days
Trade Names
Finite Lived Intangible Assets [Line Items]
Gross Carrying Value	$ 20,000	$ 20,000
Net Carrying Value	$ 20,000	$ 20,000