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Other Comprehensive Income (Loss) (Tables) | 3 Months Ended
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Mar. 31, 2018
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, 2018 and 2017.
| Three Months Ended March 31, 2018 |
(In Thousands of Dollars) | Pre-tax |  |  | Tax |  |  | After-Tax |
Unrealized holding gains (losses) on available-for-sale securities during the period | $ | (8,886 | ) |  | $ | 1,866 |  |  | $ | (7,020 | )
Reclassification adjustment for (gains) losses included in net income (1) |  | (2 | ) |  |  | 0 |  |  |  | (2 | )
Net other comprehensive income (loss) | $ | (8,888 | ) |  | $ | 1,866 |  |  | $ | (7,022 | )
| Three Months Ended March 31, 2017 |
(In Thousands of Dollars) | Pre-tax |  |  | Tax |  |  | After-Tax |
Unrealized holding gains (losses) on available-for-sale securities during the period | $ | 375 |  |  | $ | (132 | ) |  | $ | 243 |
Reclassification adjustment for (gains) losses included in net income (1) |  | (13 | ) |  |  | 4 |  |  |  | (9 | )
Net other comprehensive income (loss) | $ | 362 |  |  | $ | (128 | ) |  | $ | 234 |
(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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- References No definition available. + Details
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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://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section 45 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=84228862&loc=d3e526-108580 + Details
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