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Note 7 - Components of Accumulated Other Comprehensive Loss (Tables) | 6 Months Ended
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Jun. 30, 2022
Notes Tables |
Schedule of Accumulated Other Comprehensive Income (Loss) [Table Text Block] |
|  | Net Unrealized Gain (Loss) on Securities |  |  | Adjustments Related to Pension Benefits |  |  | Accumulated Other Comprehensive Loss |
Balance at March 31, 2021 |  | $ | 854 |  |  | $ | (10,147 | ) |  | $ | (9,293 | )
Unrealized holding gain on available for sale securities, net of tax of $1,922 |  |  | 7,235 |  |  |  | - |  |  |  | 7,235 |
Balance at June 30, 2021 |  | $ | 8,089 |  |  | $ | (10,147 | ) |  | $ | (2,058 | )
Balance at March 31, 2022 |  | $ | (30,972 | ) |  | $ | (6,912 | ) |  | $ | (37,884 | )
Unrealized holding loss on available for sale securities, net of tax of ($6,617) |  |  | (24,893 | ) |  |  | - |  |  |  | (24,893 | )
Balance at June 30, 2022 |  | $ | (55,865 | ) |  | $ | (6,912 | ) |  | $ | (62,777 | )
|  | Net Unrealized Gain (Loss) on Securities |  |  | Adjustments Related to Pension Benefits |  |  | Accumulated Other Comprehensive Income (Loss) |
Balance at December 31, 2020 |  | $ | 13,167 |  |  | $ | (10,147 | ) |  | $ | 3,020 |
Unrealized holding loss on available for sale securities, net of tax of ($1,349) |  |  | (5,074 | ) |  |  | - |  |  |  | (5,074 | )
Reclassification adjustment, net of tax of ($1) |  |  | (4 | ) |  |  | - |  |  |  | (4 | )
Balance at June 30, 2021 |  | $ | 8,089 |  |  | $ | (10,147 | ) |  | $ | (2,058 | )
Balance at December 31, 2021 |  | $ | 2,854 |  |  | $ | (6,912 | ) |  | $ | (4,058 | )
Unrealized holding loss on available for sale securities, net of tax of ($15,609) |  |  | (58,719 | ) |  |  | - |  |  |  | (58,719 | )
Balance at June 30, 2022 |  | $ | (55,865 | ) |  | $ | (6,912 | ) |  | $ | (62,777 | )

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