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Other Comprehensive Income (Loss) (Tables) | 9 Months Ended
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Sep. 30, 2023
Comprehensive Income (Loss), Net of Tax, Attributable to Parent [Abstract] |
Schedule of Other Comprehensive Loss | The following tables represent the details of other comprehensive loss for the three and nine month periods ended September 30, 2023 and 2022. Other Comprehensive Income (Loss):
| Three Months Ended September 30, 2023 |
(In Thousands of Dollars) | Pre-tax |  |  | Tax |  |  | After-Tax |
Unrealized holding losses on available-for-sale securities during the period | $ | (75,679 | ) |  | $ | 15,893 |  |  | $ | (59,786 | )
Reclassification adjustment for losses realized in income on sales (1) |  | 618 |  |  |  | (130 | ) |  |  | 488 |
Reclassification adjustment for gain realized in income on fair value hedge |  | 776 |  |  |  | (163 | ) |  |  | 613 |
Net other comprehensive (loss) | $ | (74,285 | ) |  | $ | 15,600 |  |  | $ | (58,685 | )
| Three Months Ended September 30, 2022 |
(In Thousands of Dollars) | Pre-tax |  |  | Tax |  |  | After-Tax |
Unrealized holding losses on available-for-sale securities during the period | $ | (83,980 | ) |  | $ | 17,636 |  |  | $ | (66,344 | )
Reclassification adjustment for gains included in net income (1) |  | 5 |  |  |  | (1 | ) |  |  | 4 |
Net unrealized losses on available-for-sale securities | $ | (83,975 | ) |  | $ | 17,635 |  |  | $ | (66,340 | )
Change in funded status of post-retirement health plan |  | (2 | ) |  |  | 0 |  |  |  | (2 | )
Net other comprehensive (loss) | $ | (83,977 | ) |  | $ | 17,635 |  |  | $ | (66,342 | )
| Nine Months Ended September 30, 2023 |
(In Thousands of Dollars) | Pre-tax |  |  | Tax |  |  | After-Tax |
Unrealized holding losses on available-for-sale securities during the period | $ | (54,088 | ) |  | $ | 11,359 |  |  | $ | (42,729 | )
Reclassification adjustment for losses realized in income on sales (1) |  | 498 |  |  | $ | (105 | ) |  |  | 393 |
Reclassification adjustment for gain realized in income on fair value hedge |  | 776 |  |  | $ | (163 | ) |  |  | 613 |
Net other comprehensive (loss) | $ | (52,814 | ) |  | $ | 11,091 |  |  | $ | (41,723 | )
| Nine Months Ended September 30, 2022 |
(In Thousands of Dollars) | Pre-tax |  |  | Tax |  |  | After-Tax |
Unrealized holding losses on available-for-sale securities during the period | $ | (301,874 | ) |  | $ | 63,394 |  |  | $ | (238,480 | )
Reclassification adjustment for gains included in net income (1) |  | 36 |  |  |  | (8 | ) |  |  | 28 |
Net unrealized losses on available-for-sale securities | $ | (301,838 | ) |  | $ | 63,386 |  |  | $ | (238,452 | )
Change in funded status of post-retirement health plan |  | (6 | ) |  |  | 1 |  |  |  | (5 | )
Net other comprehensive (loss) | $ | (301,844 | ) |  | $ | 63,387 |  |  | $ | (238,457 | )
Pre-tax reclassification adjustments relating to available-for-sale securities are reported in security gains and the tax impact is included in income tax expense on the consolidated statements of income.

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- Definition Tabular disclosure of components of comprehensive income (loss). Includes, but is not limited to, foreign currency translation adjustments, foreign currency transactions designated as economic hedges of a net investment in foreign entity, gain (loss) and prior service cost (credit) for pension plans and other postretirement benefit plans. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 220 -SubTopic 10 -Name Accounting Standards Codification -Paragraph 1 -Section 45 -Publisher FASB -URI https://asc.fasb.org//1943274/2147482790/220-10-45-1 + Details
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