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Note 8 - Goodwill and Other Intangible Assets - Components of Other Intangible Assets, by Reporting Unit (Details) - USD ($) $ in Thousands | Dec. 31, 2021 | Dec. 31, 2020 | Dec. 31, 2019
--- | --- | --- | ---
Finite-lived intangible assets, net | $ 5,622 |  |
Other intangible assets | 5,622 | $ 7,069 |
Community Banking [Member] |  |  |
Other intangible assets |  | 7,069 | $ 8,519
Core Deposits [Member] |  |  |
Finite-lived intangible assets, gross | 12,674 |  |
Accumulated amortization | (7,052) |  |
Finite-lived intangible assets, net | 5,622 |  |
Core Deposits [Member] | Highlands Bankshares, Inc. [Member] |  |  |
Finite-lived intangible assets, gross | 0 | 0 | 4,490
Core Deposits [Member] | Community Banking [Member] |  |  |
Finite-lived intangible assets, gross |  | 12,674 | 8,184
Accumulated amortization |  | (5,605) | (4,155)
Finite-lived intangible assets, net |  | 7,069 | 8,519
Other Intangible Assets [Member] |  |  |
Finite-lived intangible assets, gross | 0 |  |
Accumulated amortization | 0 |  |
Finite-lived intangible assets, net | $ 0 |  |
Other Intangible Assets [Member] | Community Banking [Member] |  |  |
Finite-lived intangible assets, gross |  | 0 | 0
Accumulated amortization |  | 0 | 0
Finite-lived intangible assets, net |  | $ 0 | $ 0

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