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Goodwill and Intangible Assets (Narrative) (Details) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2022 | Dec. 31, 2021 | Dec. 31, 2020
Goodwill [Line Items] |  |  |
Payment for contingent consideration liability | $ 868 | $ 3,965 | $ 633
Remaining contingent consideration resulting in loss | 620 | 1,274 |
Amortization of intangible assets | 12,580 | 5,260 |
Acquisition of Finomial |  |  |
Goodwill [Line Items] |  |  |
Goodwill, acquired |  | 3,825 |
Acquisition of Finomial | Investment Managers |  |  |
Goodwill [Line Items] |  |  |
Goodwill, acquired |  | 3,825 |
Acquisition of Finomial | Institutional Investors |  |  |
Goodwill [Line Items] |  |  |
Goodwill, acquired |  | 0 |
Acquisition of Novus |  |  |
Goodwill [Line Items] |  |  |
Goodwill, acquired |  | 48,911 |
Acquisition of Novus | Investment Managers |  |  |
Goodwill [Line Items] |  |  |
Goodwill, acquired |  | 0 |
Acquisition of Novus | Institutional Investors |  |  |
Goodwill [Line Items] |  |  |
Goodwill, acquired |  | 48,911 |
Huntington Steele, LLC |  |  |
Goodwill [Line Items] |  |  |
Payment for contingent consideration liability | 868 | $ 3,965 |
Recognized identifiable assets acquired and liabilities assumed | $ 9,576 |  |

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