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Comprehensive Income (Tables) | 12 Months Ended
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Dec. 31, 2015
Disclosure Text Block [Abstract] |
Comprehensive Income (Loss) [Table Text Block] | 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.
|  |  |  |  |  |  |  |  |  |  | Affected Line Item in the
Details about Accumulated Other |  | Amounts Reclassified from Accumulated |  | Statement Where Net Income is
Comprehensive Income Components |  | Other Comprehensive Income |  | Presented
|  | Twelve Months Ended |  |
|  | December 31, |  |
(dollars in thousands) |  | 2015 |  | 2014 |  | 2013 |  |
OTTI losses |  | $ | - |  | $ | - |  | $ | (652) |  | Net investment securities gains
|  |  | - |  |  | - |  |  | 178 |  | Tax benefit (expense)
|  |  | - |  |  | - |  |  | (474) |  | Net of tax
Sale of investment securities available-for- |  |  |  |  |  |  |  |  |  |  |
sale |  |  | 3,931 |  |  | 2,818 |  |  | 2,363 |  | Net investment securities gains
|  |  | (1,564) |  |  | (986) |  |  | (645) |  | Tax benefit (expense)
|  |  | 2,367 |  |  | 1,832 |  |  | 1,718 |  | Net of tax
Amortization of unrealized holding (losses) |  |  |  |  |  |  |  |  |  |  |
gains on securities transferred from |  |  |  |  |  |  |  |  |  |  |
available-for-sale to held-to-maturity |  |  | (220) |  |  | (215) |  |  | 58 |  | Interest income
|  |  | 90 |  |  | 91 |  |  | (19) |  | Tax benefit (expense)
|  |  | (130) |  |  | (124) |  |  | 39 |  | Net of tax
Amortization of net pension plan actuarial losses |  |  | (433) |  |  | (204) |  |  | (654) |  | Employee benefits expense
|  |  | 177 |  |  | 83 |  |  | 267 |  | Tax benefit (expense)
|  |  | (256) |  |  | (121) |  |  | (387) |  | Net of tax
Total reclassification |  | $ | 1,981 |  | $ | 1,587 |  | $ | 896 |  | Net of tax
Schedule of Accumulated Other Comprehensive Income (Loss) [Table Text Block] | Accumulated other comprehensive loss at December 31, 2015 and 2014 consisted of the following:
|  | 2015 |  | 2014
|  | (dollars in thousands)
Investment securities available for sale, net of tax |  | $ | 713 |  | $ | 4,874
Cash flow hedge, net of tax |  |  | (77) |  |  | 28
Unamortized component of securities transferred from |  |  |  |  |  |
available-for-sale to held-to-maturity, net of tax |  |  | (1,173) |  |  | (1,301)
Defined benefit pension and post-retirement plans, net of tax |  |  | (4,072) |  |  | (4,615)
Total |  | $ | (4,609) |  | $ | (1,014)

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- Definition Tabular disclosure of the components of accumulated other comprehensive income (loss). + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section 45 -Paragraph 14A -URI http://asc.fasb.org/extlink&oid=36458714&loc=SL7669686-108580 + 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=36458714&loc=d3e526-108580 + Details
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