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Note 4 - Goodwill (Details Textual) - USD ($) $ in Thousands | 3 Months Ended | 9 Months Ended | 12 Months Ended |  |  |  |
--- | --- | --- | --- | --- | --- | --- | ---
Sep. 30, 2023 | Sep. 30, 2022 | Sep. 30, 2023 | Sep. 30, 2022 | Dec. 31, 2022 | Jun. 30, 2023 | Jun. 30, 2022 | Mar. 07, 2022 | Dec. 31, 2021
Goodwill | $ 194,074 | $ 202,524 | $ 194,074 | $ 202,524 | $ 194,074 | $ 194,074 | $ 202,524 |  | $ 135,830
Goodwill, Written off Related to Sale of Business Unit | (0) | $ (0) | (0) | $ (0) |  |  |  |  |
Landmark Financial Advisors, LLC (LFA) [Member] |  |  |  |  |  |  |  |  |
Goodwill, Written off Related to Sale of Business Unit |  |  |  |  | 8,500 |  |  |  |
Commonwealth [Member] |  |  |  |  |  |  |  |  |
Goodwill | 58,244 |  | 58,244 |  | 58,244 |  |  | $ 67,000 |
Total Goodwill [Member] |  |  |  |  |  |  |  |  |
Goodwill | 194,000 |  | 194,000 |  | 194,000 |  |  |  |
Commercial Banking [Member] |  |  |  |  |  |  |  |  |
Goodwill | 172,000 |  | 172,000 |  | 172,000 |  |  |  |
WM&T [Member] |  |  |  |  |  |  |  |  |
Goodwill | $ 22,000 |  | $ 22,000 |  | $ 22,000 |  |  |  |

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