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Business Combinations - Segment Allocation (Details) - USD ($) $ in Thousands | 12 Months Ended
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Dec. 31, 2023 | Dec. 31, 2022
Business Combination Segment Allocation [Line Items] |  |
Goodwill | $ 45,254 | $ 79,147
Financial Services |  |
Business Combination Segment Allocation [Line Items] |  |
Goodwill | 41,322 | 79,147
Total | 74,536 | 132,547
Financial Services | Client lists |  |
Business Combination Segment Allocation [Line Items] |  |
Intangibles | 33,196 | 53,400
Financial Services | Other intangibles |  |
Business Combination Segment Allocation [Line Items] |  |
Intangibles | 18 | 0
Benefits and Insurance Services |  |
Business Combination Segment Allocation [Line Items] |  |
Goodwill | 3,932 | 0
Total | 5,985 | 0
Benefits and Insurance Services | Client lists |  |
Business Combination Segment Allocation [Line Items] |  |
Intangibles | 2,053 | 0
Benefits and Insurance Services | Other intangibles |  |
Business Combination Segment Allocation [Line Items] |  |
Intangibles | $ 0 | $ 0

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