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Other Comprehensive Income (Loss) (Tables) | 3 Months Ended
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Mar. 31, 2021
Comprehensive Income Net Of Tax [Abstract] |
Schedule of Other Comprehensive Income (Loss) | The following table represents the details of other comprehensive income for the three month periods ended March 31, 2021 and 2020.
| Three Months Ended March 31, 2021 |
(In Thousands of Dollars) | Pre-tax |  |  | Tax |  |  | After-Tax |
Unrealized holding (losses) on available-for-sale securities during the period | $ | (14,934 | ) |  | $ | 3,136 |  |  | $ | (11,798 | )
Reclassification adjustment for (gains) included in net income (1) |  | (383 | ) |  |  | 81 |  |  |  | (302 | )
Net other comprehensive (loss) | $ | (15,317 | ) |  | $ | 3,217 |  |  | $ | (12,100 | )
| Three Months Ended March 31, 2020 |
(In Thousands of Dollars) | Pre-tax |  |  | Tax |  |  | After-Tax |
Unrealized holding (losses) on available-for-sale securities during the period | $ | (12,217 | ) |  | $ | 2,565 |  |  | $ | (9,652 | )
Reclassification adjustment for (gains) included in net income (1) |  | (256 | ) |  |  | 54 |  |  |  | (202 | )
Net other comprehensive (loss) | $ | (12,473 | ) |  | $ | 2,619 |  |  | $ | (9,854 | )
(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 http://asc.fasb.org/extlink&oid=121641772&loc=d3e526-108580 + Details
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