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Note 14 - Change in Accumulated Other Comprehensive Income ("AOCI") (Tables) | 9 Months Ended
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Sep. 30, 2024
Notes Tables |
Schedule of Accumulated Other Comprehensive Income (Loss) [Table Text Block] |
|  | Unrealized Gains and Losses on Available-for-Sale Securities |  |  | Net Actuarial Gains (Losses) on Defined Benefit Plan Assets |  |  | Unrecognized Defined Benefit Plan Prior Service Cost, Net of Amortization |  |  | Unrealized Gains and Losses on Derivatives |  |  | Total |
|  | (In thousands) |
Balance at June 30, 2023 |  | $ | (37,679 | ) |  | $ | (600 | ) |  | $ | (1,479 | ) |  | $ | (308 | ) |  | $ | (40,066 | )
Other comprehensive (loss) income before reclassification |  |  | (6,540 | ) |  |  | — |  |  |  | — |  |  |  | 727 |  |  |  | (5,813 | )
Amounts reclassified from accumulated other comprehensive income |  |  | — |  |  |  | — |  |  |  | 29 |  |  |  | — |  |  |  | 29 |
Net other comprehensive (loss) income |  |  | (6,540 | ) |  |  | — |  |  |  | 29 |  |  |  | 727 |  |  |  | (5,784 | )
Balance at September 30, 2023 |  | $ | (44,219 | ) |  | $ | (600 | ) |  | $ | (1,450 | ) |  | $ | 419 |  |  | $ | (45,850 | )
Balance at June 30, 2024 |  | $ | (30,021 | ) |  | $ | (288 | ) |  | $ | (1,362 | ) |  | $ | 74 |  |  | $ | (31,597 | )
Other comprehensive income (loss) before reclassification |  |  | 6,344 |  |  |  | — |  |  |  | — |  |  |  | (1,200 | ) |  |  | 5,144 |
Amounts reclassified from accumulated other comprehensive income |  |  | — |  |  |  | — |  |  |  | 29 |  |  |  | — |  |  |  | 29 |
Net other comprehensive income |  |  | 6,344 |  |  |  | — |  |  |  | 29 |  |  |  | (1,200 | ) |  |  | 5,173 |
Balance at September 30, 2024 |  | $ | (23,677 | ) |  | $ | (288 | ) |  | $ | (1,333 | ) |  | $ | (1,126 | ) |  | $ | (26,424 | )
Balance at December 31, 2022 |  | $ | (38,404 | ) |  | $ | (600 | ) |  | $ | (1,539 | ) |  | $ | — |  |  | $ | (40,543 | )
Other comprehensive (loss) income before reclassification |  |  | (5,815 | ) |  |  | — |  |  |  | — |  |  |  | 419 |  |  |  | (5,396 | )
Amounts reclassified from accumulated other comprehensive income |  |  | — |  |  |  | — |  |  |  | 89 |  |  |  | — |  |  |  | 89 |
Net other comprehensive (loss) income |  |  | (5,815 | ) |  |  | — |  |  |  | 89 |  |  |  | 419 |  |  |  | (5,307 | )
Balance at September 30, 2023 |  | $ | (44,219 | ) |  | $ | (600 | ) |  | $ | (1,450 | ) |  | $ | 419 |  |  | $ | (45,850 | )
Balance at December 31, 2023 |  | $ | (30,099 | ) |  | $ | (288 | ) |  | $ | (1,421 | ) |  | $ | (828 | ) |  | $ | (32,636 | )
Other comprehensive income (loss) before reclassification |  |  | 4,759 |  |  |  | — |  |  |  | — |  |  |  | (298 | ) |  |  | 4,461 |
Amounts reclassified from accumulated other comprehensive income |  |  | 1,663 |  |  |  | — |  |  |  | 88 |  |  |  | — |  |  |  | 1,751 |
Net other comprehensive income |  |  | 6,422 |  |  |  | — |  |  |  | 88 |  |  |  | (298 | ) |  |  | 6,212 |
Balance at September 30, 2024 |  | $ | (23,677 | ) |  | $ | (288 | ) |  | $ | (1,333 | ) |  | $ | (1,126 | ) |  | $ | (26,424 | )

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