Goodwill and Intangible Assets - Summary of Carrying Value of Assets (Details) - USD ($) $ in Thousands	Sep. 30, 2023	Dec. 31, 2022
Finite Lived Intangible Assets [Line Items]
Gross Carrying Amount	$ 341,614	$ 338,608
Accumulated Amortization	(286,941)	(270,417)
Net Amount	54,673	68,191
Acquired customer contracts
Finite Lived Intangible Assets [Line Items]
Gross Carrying Amount	165,422	165,497
Accumulated Amortization	(127,490)	(120,080)
Net Amount	37,932	45,417
Software
Finite Lived Intangible Assets [Line Items]
Gross Carrying Amount	176,192	173,111
Accumulated Amortization	(159,451)	(150,337)
Net Amount	$ 16,741	$ 22,774