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Note 9 - Accumulated Other Comprehensive Loss (Tables) | 6 Months Ended
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Jun. 30, 2026
Notes Tables |
Schedule of Accumulated Other Comprehensive Income (Loss) [Table Text Block] |
(in thousands) |  | Unrealized losses on securities |  |  | Officers' retirement plan |  |  | Directors' retirement plan |  |  | Accumulated other comprehensive loss |
Balance as of March 31, 2026 |  | $ | (18,847 | ) |  | $ | 221 |  |  | $ | 70 |  |  | $ | (18,556 | )
Current period other comprehensive loss |  |  | (1,285 | ) |  |  | — |  |  |  | — |  |  |  | (1,285 | )
Balance as of June 30, 2026 |  | $ | (20,132 | ) |  | $ | 221 |  |  | $ | 70 |  |  | $ | (19,841 | )
(in thousands) |  | Unrealized losses on securities |  |  | Officers' retirement plan |  |  | Directors' retirement plan |  |  | Accumulated other comprehensive loss |
Balance as of December 31, 2025 |  | $ | (15,769 | ) |  | $ | 221 |  |  | $ | 70 |  |  | $ | (15,478 | )
Current period other comprehensive loss |  |  | (4,363 | ) |  |  | — |  |  |  | — |  |  |  | (4,363 | )
Balance as of June 30, 2026 |  | $ | (20,132 | ) |  | $ | 221 |  |  | $ | 70 |  |  | $ | (19,841 | )
(in thousands) |  | Unrealized losses on securities |  |  | Officers' retirement plan |  |  | Directors' retirement plan |  |  | Accumulated other comprehensive loss |
Balance as of March 31, 2025 |  | $ | (25,271 | ) |  | $ | 207 |  |  | $ | 99 |  |  | $ | (24,965 | )
Current period other comprehensive income |  |  | 2,324 |  |  |  | — |  |  |  | — |  |  |  | 2,324 |
Balance as of June 30, 2025 |  | $ | (22,947 | ) |  | $ | 207 |  |  | $ | 99 |  |  | $ | (22,641 | )
(in thousands) |  | Unrealized losses on securities |  |  | Officers' retirement plan |  |  | Directors' retirement plan |  |  | Accumulated other comprehensive loss |
Balance as of December 31, 2024 |  | $ | (34,157 | ) |  | $ | 207 |  |  | $ | 99 |  |  | $ | (33,851 | )
Current period other comprehensive income |  |  | 11,210 |  |  |  | — |  |  |  | — |  |  |  | 11,210 |
Balance as of June 30, 2025 |  | $ | (22,947 | ) |  | $ | 207 |  |  | $ | 99 |  |  | $ | (22,641 | )

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