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Other Comprehensive Income (Loss) | 9 Months Ended
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Sep. 30, 2023
Comprehensive Income (Loss), Net of Tax, Attributable to Parent [Abstract] |
Other Comprehensive Income (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 | )
(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 The entire disclosure for comprehensive income, which includes, but is not limited to, 1) the amount of income tax expense or benefit allocated to each component of other comprehensive income, including reclassification adjustments, 2) the reclassification adjustments for each classification of other comprehensive income and 3) the ending accumulated balances for each component of comprehensive income. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 944 -SubTopic 220 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-04(19)) -Publisher FASB -URI https://asc.fasb.org//1943274/2147483586/944-220-S99-1 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 220 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 2 -Subparagraph (SX 210.5-03(21)) -Publisher FASB -URI https://asc.fasb.org//1943274/2147483621/220-10-S99-2 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Topic 942 -SubTopic 220 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-04(23)) -Publisher FASB -URI https://asc.fasb.org//1943274/2147483589/942-220-S99-1 Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 220 -Name Accounting Standards Codification -Publisher FASB -URI https://asc.fasb.org//220/tableOfContent + Details
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