Intangible Assets - Schedule of Intangible Assets (Details) - USD ($) $ in Thousands	Jun. 30, 2023	Dec. 31, 2022
Finite Lived Intangible Assets [Line Items]
Gross Carrying Value	$ 785,729	$ 777,610
Accumulated Amortization	327,808	277,035
Net Carrying Value	$ 457,921	$ 500,575
Weighted Average Useful Life (Years)	5 years 29 days	5 years 8 months 15 days
Client Relationships
Finite Lived Intangible Assets [Line Items]
Gross Carrying Value	$ 523,850
Accumulated Amortization	164,815
Net Carrying Value	$ 359,035
Weighted Average Useful Life (Years)	6 years 9 months 21 days
Customer Relationships
Finite Lived Intangible Assets [Line Items]
Gross Carrying Value		$ 539,850
Accumulated Amortization		137,515
Net Carrying Value		$ 402,335
Weighted Average Useful Life (Years)		7 years 4 months 24 days
Channel Relationships
Finite Lived Intangible Assets [Line Items]
Gross Carrying Value	$ 16,240	$ 16,240
Accumulated Amortization	3,965	3,168
Net Carrying Value	$ 12,275	$ 13,072
Weighted Average Useful Life (Years)	7 years 6 months 21 days	8 years 21 days
Software Costs
Finite Lived Intangible Assets [Line Items]
Gross Carrying Value	$ 221,059	$ 196,890
Accumulated Amortization	154,780	132,322
Net Carrying Value	$ 66,279	$ 64,568
Weighted Average Useful Life (Years)	10 months 28 days	11 months 26 days
Non-Complete Agreements
Finite Lived Intangible Assets [Line Items]
Gross Carrying Value	$ 4,580	$ 4,580
Accumulated Amortization	4,248	4,030
Net Carrying Value	$ 332	$ 550
Weighted Average Useful Life (Years)	4 months 9 days	6 months 14 days
Trade Names
Finite Lived Intangible Assets [Line Items]
Gross Carrying Value	$ 20,000	$ 20,050
Net Carrying Value	$ 20,000	$ 20,050