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Goodwill and Other Intangible Assets (Narrative) (Details) - USD ($) $ in Thousands | 3 Months Ended | 9 Months Ended |  |
--- | --- | --- | --- | ---
Sep. 30, 2023 | Sep. 30, 2022 | Sep. 30, 2023 | Sep. 30, 2022 | Jun. 01, 2023 | Dec. 31, 2022
Goodwill [Line Items] |  |  |  |  |  |
Goodwill | $ 479,851 |  | $ 479,851 |  |  | $ 452,390
Reduction in goodwill |  |  | 2,462 |  |  |
Amortization expense | $ 3,000 | $ 2,100 | $ 7,300 | $ 6,400 |  |
CDI |  |  |  |  |  |
Goodwill [Line Items] |  |  |  |  |  |
Useful life (in years) | 10 years |  | 10 years |  |  |
Minimum | Other |  |  |  |  |  |
Goodwill [Line Items] |  |  |  |  |  |
Useful life (in years) | 5 years |  | 5 years |  |  |
Maximum | Other |  |  |  |  |  |
Goodwill [Line Items] |  |  |  |  |  |
Useful life (in years) | 8 years |  | 8 years |  |  |
GLOBALT | Disposed of by Sale |  |  |  |  |  |
Goodwill [Line Items] |  |  |  |  |  |
Reduction in goodwill | $ 2,500 |  |  |  |  |
Gain on sale | 1,900 |  |  |  |  |
Qualpay |  |  |  |  |  |
Goodwill [Line Items] |  |  |  |  |  |
Percentage of business acquired |  |  |  |  | 60.00% |
Goodwill |  |  |  |  | $ 23,200 |
Estimated intangible assets |  |  |  |  | $ 38,700 |
Valuation adjustments that increased goodwill | 6,700 |  |  |  |  |
Decrease to other intangible assets | $ 9,400 |  |  |  |  |

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