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Note 8 - Goodwill and Intangible Assets (Tables) | 12 Months Ended
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Dec. 31, 2019
Notes Tables |
Schedule of Intangible Assets and Goodwill [Table Text Block] |
|  | 2019 |  |  | 2018 |
(dollars in thousands) |  | Gross Carrying Amount |  |  | Accumulated Amortization |  |  | Gross Carrying Amount |  |  | Accumulated Amortization |
Amortizable intangible assets: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Core deposit intangible |  | $ | 4,716 |  |  | $ | 1,660 |  |  | $ | 1,616 |  |  | $ | 1,060 |
Total |  |  | 4,716 |  |  |  | 1,660 |  |  |  | 1,616 |  |  |  | 1,060 |
Unamortizable intangible assets: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Goodwill |  | $ | 16,477 |  |  |  |  |  |  | $ | 202 |  |  |  |  |
Schedule of Finite-Lived Intangible Assets, Future Amortization Expense [Table Text Block] |
|  | Amount |
(dollars in thousands) |  |  |  |
2020 |  | $ | 776 |
2021 |  |  | 665 |
2022 |  |  | 554 |
2023 |  |  | 444 |
2024 |  |  | 333 |
Thereafter |  |  | 284 |
Total |  | $ | 3,056 |

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