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Other Comprehensive Income (Tables) | 6 Months Ended
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Jun. 30, 2017
Comprehensive Income Net Of Tax [Abstract] |
Schedule of Other Comprehensive Income | The following table represents the details of other comprehensive income for the three and six month periods ended June 30, 2017 and 2016.
| Three Months Ended June 30, 2017 |
(In Thousands of Dollars) | Pre-tax |  |  | Tax |  |  | After-Tax |
Unrealized holding gains on available-for-sale securities during the period | $ | 5,946 |  |  | $ | (2,081 | ) |  | $ | 3,865 |
Reclassification adjustment for (gains) losses included in net income (1) |  | 14 |  |  |  | (6 | ) |  |  | 8 |
Net unrealized gains on available-for-sale securities | $ | 5,960 |  |  | $ | (2,087 | ) |  | $ | 3,873 |
| Three Months Ended June 30, 2016 |
(In Thousands of Dollars) | Pre-tax |  |  | Tax |  |  | After-Tax |
Unrealized holding gains on available-for-sale securities during the period | $ | 5,020 |  |  | $ | (1,759 | ) |  | $ | 3,261 |
Reclassification adjustment for (gains) losses included in net income (1) |  | (41 | ) |  |  | 14 |  |  |  | (27 | )
Net unrealized gains on available-for-sale securities | $ | 4,979 |  |  | $ | (1,745 | ) |  | $ | 3,234 |
| Six Months Ended June 30, 2017 |
(In Thousands of Dollars) | Pre-tax |  |  | Tax |  |  | After-Tax |
Unrealized holding gains on available-for-sale securities during the period | $ | 6,321 |  |  | $ | (2,214 | ) |  | $ | 4,107 |
Reclassification adjustment for (gains) included in net income (1) |  | 1 |  |  |  | (1 | ) |  |  | 0 |
Net other comprehensive income (loss) | $ | 6,322 |  |  | $ | (2,215 | ) |  | $ | 4,107 |
| Six Months Ended June 30, 2016 |
(In Thousands of Dollars) | Pre-tax |  |  | Tax |  |  | After-Tax |
Unrealized holding gains on available-for-sale securities during the period | $ | 8,377 |  |  | $ | (2,934 | ) |  | $ | 5,443 |
Reclassification adjustment for (gains) losses included in net income (1) |  | (41 | ) |  |  | 14 |  |  |  | (27 | )
Net unrealized gains on available-for-sale securities | $ | 8,336 |  |  | $ | (2,920 | ) |  | $ | 5,416 |
(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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