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Other Comprehensive Income (Loss) (Tables) | 9 Months Ended
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Sep. 30, 2017
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 and nine month periods ended September 30, 2017 and 2016.
| Three Months Ended September 30, 2017 |
(In Thousands of Dollars) | Pre-tax |  |  | Tax |  |  | After-Tax |
Unrealized holding gains (losses) on available-for-sale securities during the period | $ | (679 | ) |  | $ | 239 |  |  | $ | (440 | )
Reclassification adjustment for (gains) losses included in net income (1) |  | 0 |  |  |  | 0 |  |  |  | 0 |
Net other comprehensive income (loss) | $ | (679 | ) |  | $ | 239 |  |  | $ | (440 | )
| Three Months Ended September 30, 2016 |
(In Thousands of Dollars) | Pre-tax |  |  | Tax |  |  | After-Tax |
Unrealized holding gains (losses) on available-for-sale securities during the period | $ | (2,350 | ) |  | $ | 823 |  |  | $ | (1,527 | )
Reclassification adjustment for (gains) losses included in net income (1) |  | (31 | ) |  |  | 10 |  |  |  | (21 | )
Net other comprehensive income (loss) | $ | (2,381 | ) |  | $ | 833 |  |  | $ | (1,548 | )
| Nine Months Ended September 30, 2017 |
(In Thousands of Dollars) | Pre-tax |  |  | Tax |  |  | After-Tax |
Unrealized holding gains on available-for-sale securities during the period | $ | 5,642 |  |  | $ | (1,975 | ) |  | $ | 3,667 |
Reclassification adjustment for (gains) included in net income (1) |  | 1 |  |  |  | (1 | ) |  |  | (0 | )
Net other comprehensive income (loss) | $ | 5,643 |  |  | $ | (1,976 | ) |  | $ | 3,667 |
| Nine Months Ended September 30, 2016 |
(In Thousands of Dollars) | Pre-tax |  |  | Tax |  |  | After-Tax |
Unrealized holding gains on available-for-sale securities during the period | $ | 6,021 |  |  | $ | (2,106 | ) |  | $ | 3,915 |
Reclassification adjustment for (gains) losses included in net income (1) |  | (72 | ) |  |  | 25 |  |  |  | (47 | )
Net other comprehensive income (loss) | $ | 5,949 |  |  | $ | (2,081 | ) |  | $ | 3,868 |
(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://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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