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Goodwill and Other Intangible Assets (Summary of Amortization Expense) (Details) - USD ($) $ in Thousands | 12 Months Ended
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Dec. 31, 2022 | Dec. 31, 2021 | Dec. 31, 2020
Amortization of Intangible Assets Acquired by Income Statement Location [Line Items] |  |  |
Amortization | $ 51,417 | $ 37,039 | $ 41,883
Cost of recurring [Member] |  |  |
Amortization of Intangible Assets Acquired by Income Statement Location [Line Items] |  |  |
Amortization | 47,085 | 33,132 | 36,835
Cost of one-time services and other [Member] |  |  |
Amortization of Intangible Assets Acquired by Income Statement Location [Line Items] |  |  |
Amortization | 1,407 | 1,680 | 2,133
Total included in cost of revenue [Member] |  |  |
Amortization of Intangible Assets Acquired by Income Statement Location [Line Items] |  |  |
Amortization | 48,492 | 34,812 | 38,968
Included in operating expenses [Member] |  |  |
Amortization of Intangible Assets Acquired by Income Statement Location [Line Items] |  |  |
Amortization | $ 2,925 | $ 2,227 | $ 2,915

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