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Comprehensive Income | 12 Months Ended
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Dec. 31, 2017
Disclosure Text Block [Abstract] |
Comprehensive Income (Loss) Note [Text Block] | Note 17 - Comprehensive Income Total comprehensive income includes all changes in equity during a period from transactions and other events and circumstances from nonowner sources. The Company’s other comprehensive income (loss) is comprised of unrealized holding gains and losses on securities available-for-sale, obligations for defined benefit pension plan and an adjustment to reflect the curtailment of the Company’s defined benefit pension plan, net of taxes.
Details about Accumulated Other Comprehensive Income Components |  | Amounts Reclassified from Accumulated Other Comprehensive Income |  |  | Affected Line Item in the Consolidated Statements of Income
|  | Twelve Months Ended December 31, |  |  |
(dollars in thousands) |  | 2017 |  |  | 2016 |  |  | 2015 |  |  |
Sale of investment securities available-for-sale |  | $ | 1,596 |  |  | $ | 4,234 |  |  | $ | 3,931 |  |  | Net gains on sale of investment securities
|  |  | (579) |  |  |  | (1,682) |  |  |  | (1,564) |  |  | Income tax expense
|  |  | 1,017 |  |  |  | 2,552 |  |  |  | 2,367 |  |  |
Amortization of unrealized holding (losses) gains on securities transferred from available-for-sale to held-to-maturity |  |  | - |  |  |  | (1,986) |  |  |  | (220) |  |  | Interest income
|  |  | - |  |  |  | 813 |  |  |  | 90 |  |  | Income tax benefit
|  |  | - |  |  |  | (1,173) |  |  |  | (130) |  |  |
Amortization of pension plan net actuarial losses |  |  | (412) |  |  |  | (407) |  |  |  | (433) |  |  | Salaries and employee benefits
|  |  | 169 |  |  |  | 165 |  |  |  | 177 |  |  | Income tax benefit
|  |  | (243) |  |  |  | (242) |  |  |  | (256) |  |  |
Total reclassification |  | $ | 774 |  |  | $ | 1,137 |  |  | $ | 1,981 |  |  |
Accumulated other comprehensive loss at December 31, 2017 and 2016 consisted of the following:
|  | 2017 |  |  | 2016 |
|  | (dollars in thousands) |
Investment securities available-for-sale, net of tax |  | $ | (902) |  |  | $ | 933 |
Cash flow hedge, net of tax |  |  | 472 |  |  |  | 52 |
Unamortized component of securities transferred from available-for-sale to held-to-maturity, net of tax |  |  | - |  |  |  | - |
Defined benefit pension and post-retirement plans, net of tax |  |  | (3,589) |  |  |  | (3,831) |
Total |  | $ | (4,019) |  |  | $ | (2,846) |
Included in AOCI as of December 31, 2017 is an estimated $747,000 of stranded tax effects related to the change in the U.S federal corporate income tax rate in the 2017 Tax Cuts and Jobs Act.

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- Definition The entire disclosure for comprehensive income, which includes, but is not limited to, 1) the amount of income tax expense or benefit allocated to each component of other comprehensive income, including reclassification adjustments, 2) the reclassification adjustments for each classification of other comprehensive income and 3) the ending accumulated balances for each component of comprehensive income. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -URI http://asc.fasb.org/topic&trid=2134417 + Details
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- References No definition available. + Details
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