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Tax Effects on Other Comprehensive Income (Loss) (Tables) | 12 Months Ended
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Dec. 31, 2017
Equity [Abstract] |
Schedule of Tax Effects of Components of Other Comprehensive Income (Loss) | The following tables present the tax effects of the components of other comprehensive income (loss) for the years ended December 31:
(dollars in thousands) | Pre-Tax Amount |  |  | Tax (Expense) Benefit |  |  | Net of Tax Amount |
2017 |  |  |  |  |
Net change in unrealized gains on securities available-for-sale | $ | (1,275 | ) |  | $ | 448 |  |  | $ | (827 | )
Net available-for-sale securities losses (gains) reclassified into earnings | (3,000 | ) |  | 1,054 |  |  | (1,946 | )
Adjustment to funded status of employee benefit plans | (1,992 | ) |  | 122 |  |  | (1,870 | )
Other Comprehensive Income (Loss) | $ | (6,267 | ) |  | $ | 1,624 |  |  | $ | (4,643 | )
2016 |  |  |  |  |
Net change in unrealized gains on securities available-for-sale | $ | (2,899 | ) |  | $ | 1,006 |  |  | $ | (1,893 | )
Net available-for-sale securities losses reclassified into earnings | — |  |  | — |  |  | — |
Adjustment to funded status of employee benefit plans | 6,974 |  |  | (2,408 | ) |  | 4,566 |
Other Comprehensive Income (Loss) | $ | 4,075 |  |  | $ | (1,402 | ) |  | $ | 2,673 |
2015 |  |  |  |  |
Net change in unrealized gains on securities available-for-sale | $ | (663 | ) |  | $ | 232 |  |  | $ | (431 | )
Net available-for-sale securities gains reclassified into earnings | 34 |  |  | (12 | ) |  | 22 |
Adjustment to funded status of employee benefit plans | (3,551 | ) |  | 1,336 |  |  | (2,215 | )
Other Comprehensive Income (Loss) | $ | (4,180 | ) |  | $ | 1,556 |  |  | $ | (2,624 | )

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- Definition Tabular disclosure of the net gain (loss) and net prior service cost or credit recognized in other comprehensive income (loss) for the period for pension plans and/or other employee benefit plans, and reclassification adjustments of other comprehensive income (loss) for the period, as those amounts, including amortization of the net transition asset or obligation, are recognized as components of net periodic benefit cost. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (i) -URI http://asc.fasb.org/extlink&oid=82843861&loc=d3e1928-114920 + Details
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