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Other Comprehensive Income (Loss) | 3 Months Ended
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Mar. 31, 2023
Comprehensive Income (Loss), Net of Tax, Attributable to Parent [Abstract] |
Other Comprehensive Income (Loss) | Other Comprehensive Income (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 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://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -URI https://asc.fasb.org/topic&trid=2134417 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SX 210.5-03(21)) -URI https://asc.fasb.org/extlink&oid=126953954&loc=SL114868664-224227 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 220 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-04(23)) -URI https://asc.fasb.org/extlink&oid=120399700&loc=SL114874048-224260 Reference 4: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 220 -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-04(19)) -URI https://asc.fasb.org/extlink&oid=120400993&loc=SL114874131-224263 + Details
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