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Other Comprehensive Income (Loss) (Tables) | 3 Months Ended
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Mar. 31, 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 month periods ended March 31, 2023 and 2022.
| Three Months Ended March 31, 2023 |
(In Thousands of Dollars) | Pre-tax |  |  | Tax |  |  | After-Tax |
Unrealized holding gains on available-for-sale securities during the period | $ | 42,900 |  |  | $ | (9,009 | ) |  | $ | 33,891 |
Reclassification adjustment for gains included in net income (1) |  | (120 | ) |  |  | 25 |  |  |  | (95 | )
Net unrealized gains on available-for-sale securities | $ | 42,780 |  |  | $ | (8,984 | ) |  | $ | 33,796 |
Change in funded status of post-retirement health plan |  | 0 |  |  |  | 0 |  |  |  | 0 |
Net other comprehensive income | $ | 42,780 |  |  | $ | (8,984 | ) |  | $ | 33,796 |
| Three Months Ended March 31, 2022 |
(In Thousands of Dollars) | Pre-tax |  |  | Tax |  |  | After-Tax |
Unrealized holding losses on available-for-sale securities during the period | $ | (112,398 | ) |  | $ | 23,605 |  |  | $ | (88,793 | )
Reclassification adjustment for gains included in net income (1) |  | 0 |  |  |  | 0 |  |  |  | 0 |
Net unrealized gains on available-for-sale securities | $ | (112,398 | ) |  | $ | 23,605 |  |  | $ | (88,793 | )
Change in funded status of post-retirement health plan |  | (2 | ) |  |  | 0 |  |  |  | (2 | )
Net other comprehensive loss | $ | (112,400 | ) |  | $ | 23,605 |  |  | $ | (88,795 | )
(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 -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section 45 -Paragraph 1 -URI https://asc.fasb.org/extlink&oid=126968391&loc=d3e526-108580 + Details
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