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Acquisitions (Narrative) (Details) - USD ($) $ in Thousands | 12 Months Ended |
--- | --- | ---
Dec. 31, 2022 | Dec. 31, 2021 | Sep. 30, 2023
Business Acquisition [Line Items] |  |  |
Assets acquisition consideration transferred in goodwill | $ 2,054 |  | $ 2,054
Pettyyjohn, Wood & White, Inc. [Member] |  |  |
Business Acquisition [Line Items] |  |  |
Acquisition of assets under management and advisement |  | $ 650,000 |
Acquisition of assets under consideration payment in cash |  | 10,500 |
Assets acquisition consideration transferred in goodwill |  | 3,000 |
Preliminary fair value of assets acquired |  | 9,300 |
Preliminary fair value of liabilities assumed |  | 1,800 |
Adjustment to goodwill | 818 |  |
Goodwill reduced by increase to deferred income taxes | 1,800 |  |
Goodwill expected to be deductible for income tax | $ 2,100 |  |
Pettyyjohn, Wood & White, Inc. [Member] | Customer Relationships [Member] |  |  |
Business Acquisition [Line Items] |  |  |
Assets acquisition consideration transferred in amortizable intangible assets |  | $ 8,400 |
Amortizable period of intangible assets |  | 15 years |

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