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Note 18 - Intangible Assets and Goodwill (Tables) | 12 Months Ended
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Dec. 31, 2017
Notes Tables |
Schedule of Intangible Assets and Goodwill [Table Text Block] |
|  | Gross Carrying Value |  |  | Accumulated Amortization |  |  | Net Carrying Value |
December 31, 20 17 |  |  |  |  |  |  |  |  |  |  |  |
Amortizable core deposit intangibles |  | $ | 16,257 |  |  | $ | 16,207 |  |  | $ | 50 |
Unamortizable goodwill |  |  | 5,848 |  |  |  | --- |  |  |  | 5,848 |
Intangible assets and goodwill |  | $ | 22,105 |  |  | $ | 16,207 |  |  | $ | 5,898 |
December 31, 20 16 |  |  |  |  |  |  |  |  |  |  |  |
Amortizable core deposit intangibles |  | $ | 16,257 |  |  | $ | 16,139 |  |  | $ | 118 |
Unamortizable goodwill |  |  | 5,848 |  |  |  | --- |  |  |  | 5,848 |
Intangible assets and goodwill |  | $ | 22,105 |  |  | $ | 16,139 |  |  | $ | 5,966 |
Schedule of Finite-Lived Intangible Assets, Future Amortization Expense [Table Text Block] |
201 8 |  |  | 50 |
Thereafter |  |  | --- |
Total |  | $ | 50 |

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