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Other Comprehensive Income (Loss) (Tables) | 6 Months Ended
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Jun. 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 six month periods ended June 30, 2023 and 2022. Other Comprehensive Income (Loss):
| Three Months Ended June 30, 2023 |
(In Thousands of Dollars) | Pre-tax |  |  | Tax |  |  | After-Tax |
Unrealized holding gains on available-for-sale securities during the period | $ | (21,309 | ) |  | $ | 4,475 |  |  | $ | (16,834 | )
Reclassification adjustment for gains included in net income (1) |  | 0 |  |  |  | 0 |  |  |  | 0 |
Net other comprehensive (loss) | $ | (21,309 | ) |  | $ | 4,475 |  |  | $ | (16,834 | )
| Three Months Ended June 30, 2022 |
(In Thousands of Dollars) | Pre-tax |  |  | Tax |  |  | After-Tax |
Unrealized holding losses on available-for-sale securities during the period | $ | (105,497 | ) |  | $ | 22,154 |  |  | $ | (83,343 | )
Reclassification adjustment for gains included in net income (1) |  | 31 |  |  |  | (6 | ) |  |  | 25 |
Net unrealized gains on available-for-sale securities | $ | (105,466 | ) |  | $ | 22,148 |  |  | $ | (83,318 | )
Change in funded status of post-retirement health plan |  | (2 | ) |  |  | 0 |  |  |  | (2 | )
Net other comprehensive (loss) | $ | (105,468 | ) |  | $ | 22,148 |  |  | $ | (83,320 | )
| Six Months Ended June 30, 2023 |
(In Thousands of Dollars) | Pre-tax |  |  | Tax |  |  | After-Tax |
Unrealized holding gains on available-for-sale securities during the period | $ | 21,591 |  |  | $ | (4,534 | ) |  | $ | 17,057 |
Reclassification adjustment for losses included in net income (1) |  | (120 | ) |  |  | 25 |  |  |  | (95 | )
Net other comprehensive income | $ | 21,471 |  |  | $ | (4,509 | ) |  | $ | 16,962 |
| Six Months Ended June 30, 2022 |
(In Thousands of Dollars) | Pre-tax |  |  | Tax |  |  | After-Tax |
Unrealized holding losses on available-for-sale securities during the period | $ | (217,894 | ) |  | $ | 45,758 |  |  | $ | (172,136 | )
Reclassification adjustment for losses included in net income (1) |  | 31 |  |  |  | (7 | ) |  |  | 24 |
Net unrealized gains on available-for-sale securities | $ | (217,863 | ) |  | $ | 45,751 |  |  | $ | (172,112 | )
Change in funded status of post-retirement health plan |  | (3 | ) |  |  | 0 |  |  |  | (3 | )
Net other comprehensive (loss) | $ | (217,866 | ) |  | $ | 45,751 |  |  | $ | (172,115 | )
(1) 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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