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Note 6 - Accumulated Other Comprehensive Income (Tables) | 6 Months Ended
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Jun. 30, 2022
Notes Tables |
Schedule of Accumulated Other Comprehensive Income (Loss) [Table Text Block] |
(Dollars in thousands) |  | Unrealized (losses)/gains on available-for-sale securities (a) |
Balance as of March 31, 2022 |  | $ | (6,674 | )
Other comprehensive loss |  |  | (10,917 | )
Balance at June 30, 2022 |  | $ | (17,591 | )
Balance as of December 31, 2021 |  | $ | 3,462 |
Other comprehensive loss |  |  | (21,053 | )
Balance at June 30, 2022 |  | $ | (17,591 | )
(Dollars in thousands) |  | Unrealized (losses)/gains on available-for-sale securities (a) |
Balance as of March 31, 2021 |  | $ | 2,917 |
Other comprehensive income |  |  | 976 |
Balance at June 30, 2021 |  | $ | 3,893 |
Balance as of December 31, 2020 |  | $ | 4,284 |
Other comprehensive loss |  |  | (391 | )
Balance at June 30, 2021 |  | $ | 3,893 |

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