| Comprehensive Income (Loss) Note [Text Block] |
Other Comprehensive Income (Loss):
The following tables represent the changes in accumulated other comprehensive income (loss) by component, net of tax, for the three and nine month periods ended September 30, 2026 and 2025.
| | | | | | Reclassification | | | | | | | | | |
| | Net unrealized | | | adjustment for | | | | | | | | | |
| | holding (losses) | | | (gains) losses | | | | | | | | | |
| | gains on available | | | realized in income | | | Change in funded status | | | | | |
(In Thousands of Dollars) | | for sale securities | | | on fair value hedge | | | of post-retirement plan | | | Total | |
Balance December 31, 2025 | | $ | (143,597 | ) | | $ | (476 | ) | | $ | (2 | ) | | $ | (144,075 | ) |
Other comprehensive (loss) before reclassification | | | (6,270 | ) | | | 0 | | | | 0 | | | | (6,270 | ) |
Amounts reclassified from accumulated other comprehensive income | | | 0 | | | | 190 | | | | 0 | | | | 190 | |
Net current period other comprehensive (loss) income | | | (6,270 | ) | | | 190 | | | | 0 | | | | (6,080 | ) |
Balance March 31, 2026 | | $ | (149,867 | ) | | $ | (286 | ) | | $ | (2 | ) | | $ | (150,155 | ) |
Other comprehensive income before reclassification | | | 3,264 | | | | 0 | | | | 0 | | | | 3,264 | |
Amounts reclassified from accumulated other comprehensive income | | | 0 | | | | 202 | | | | 0 | | | | 202 | |
Net current period other comprehensive income | | | 3,264 | | | | 202 | | | | 0 | | | | 3,466 | |
Balance June 30, 2026 | | $ | (146,603 | ) | | $ | (84 | ) | | $ | (2 | ) | | $ | (146,689 | ) |
Other comprehensive (loss) before reclassification | | | (80,246 | ) | | | 0 | | | | 0 | | | | (80,246 | ) |
Amounts reclassified from accumulated other comprehensive income | | | 8,130 | | | | 85 | | | | 0 | | | | 8,215 | |
Net current period other comprehensive (loss) income | | | (72,116 | ) | | | 85 | | | | 0 | | | | (72,031 | ) |
Balance September 30, 2026 | | $ | (218,719 | ) | | $ | 1 | | | $ | (2 | ) | | $ | (218,720 | ) |
| | | | | | | | | | | | | | | | |
Balance December 31, 2024 | | $ | (192,860 | ) | | $ | (403 | ) | | $ | (2 | ) | | $ | (193,265 | ) |
Other comprehensive income (loss) before reclassification | | | 15,096 | | | | 0 | | | | 0 | | | | 15,096 | |
Amounts reclassified from accumulated other comprehensive income (loss) | | | 1,054 | | | | (186 | ) | | | 0 | | | | 868 | |
Net current period other comprehensive income (loss) | | | 16,150 | | | | (186 | ) | | | 0 | | | | 15,964 | |
Balance March 31, 2025 | | $ | (176,710 | ) | | $ | (589 | ) | | $ | (2 | ) | | $ | (177,301 | ) |
Other comprehensive income (loss) before reclassification | | | 517 | | | | 0 | | | | 0 | | | | 517 | |
Amounts reclassified from accumulated other comprehensive income (loss) | | | 0 | | | | 46 | | | | 0 | | | | 46 | |
Net current period other comprehensive income (loss) | | | 517 | | | | 46 | | | | 0 | | | | 563 | |
Balance June 30, 2025 | | $ | (176,193 | ) | | $ | (543 | ) | | $ | (2 | ) | | $ | (176,738 | ) |
Other comprehensive income (loss) before reclassification | | | 20,882 | | | | 0 | | | | 0 | | | | 20,882 | |
Amounts reclassified from accumulated other comprehensive income (loss) | | | 758 | | | | 13 | | | | 0 | | | | 771 | |
Net current period other comprehensive income (loss) | | | 21,640 | | | | 13 | | | | 0 | | | | 21,653 | |
Balance September 30, 2025 | | $ | (154,553 | ) | | $ | (530 | ) | | $ | (2 | ) | | $ | (155,085 | ) |
Security losses of $10.3 million were reclassified out of accumulated other comprehensive income (loss) for the three and nine months ended September 30, 2026. There were no other material amounts reclassified out of accumulated other comprehensive income (loss) for the three or nine months ended September 30, 2026. Amounts reclassified out of each component of accumulated other comprehensive income (loss) were not material for the three and nine months ended September 30, 2025.
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