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Goodwill and Intangible Assets - Summary of Carrying Value of Assets (Details) - USD ($) $ in Thousands | Sep. 30, 2022 | Dec. 31, 2021
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Finite Lived Intangible Assets [Line Items] |  |
Gross Carrying Amount | $ 344,964 | $ 353,413
Accumulated Amortization | (272,705) | (266,449)
Net Amount | 72,259 | 86,964
Acquired customer contracts |  |
Finite Lived Intangible Assets [Line Items] |  |
Gross Carrying Amount | 161,022 | 171,373
Accumulated Amortization | (113,348) | (114,166)
Net Amount | 47,674 | 57,207
Software |  |
Finite Lived Intangible Assets [Line Items] |  |
Gross Carrying Amount | 183,942 | 182,040
Accumulated Amortization | (159,357) | (152,283)
Net Amount | $ 24,585 | $ 29,757

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