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OTHER COMPREHENSIVE INCOME (Details) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2017 | Dec. 31, 2016 | Dec. 31, 2015
Components of accumulated other comprehensive income (loss), net of tax [Abstract] |  |  |  |
Net unrealized gain on securities available for sale |  | $ (340) | $ 1,979 |
Tax effect |  | 71 | (673) |
Net -of-tax amount |  | (269) | 1,306 |
Unrecognized pension costs |  | (3,961) | (4,088) |
Tax effect |  | 832 | 1,390 |
Net -of-tax amount |  | (3,129) | (2,698) |
Total accumulated other comprehensive income |  | (3,398) | (1,392) |
Accumulated Other Comprehensive Income Loss [Line Items] |  |  |  |
Balance |  | 123,268 | 119,760 | $ 100,528
Other comprehensive income (loss) before reclassifications (net of tax) |  | (912) | (1,133) | (855)
Amounts reclassified from accumulated other comprehensive income (loss) (net of tax) |  | (535) | (23) | (148)
Net other comprehensive income |  | (1,447) | (1,156) | (1,003)
Change in other comprehensive income due to change in the federal tax rate |  | 0 |  |
Balance |  | 129,011 | 123,268 | 119,760
Accumulated Other Comprehensive Income (Loss) [Member] |  |  |  |
Accumulated Other Comprehensive Income Loss [Line Items] |  |  |  |
Balance |  | (1,392) | (236) | 767
Net other comprehensive income |  | (1,447) | (1,156) | (1,003)
Change in other comprehensive income due to change in the federal tax rate |  | (559) |  |
Balance |  | (3,398) | (1,392) | (236)
Unrealized Gains (Loss) on Available For Sale Securities [Member] |  |  |  |
Accumulated Other Comprehensive Income Loss [Line Items] |  |  |  |
Balance | [1] | 1,306 | 2,204 | 3,093
Other comprehensive income (loss) before reclassifications (net of tax) | [1] | (847) | (730) | (606)
Amounts reclassified from accumulated other comprehensive income (loss) (net of tax) | [1] | (683) | (168) | (283)
Net other comprehensive income | [1] | (1,530) | (898) | (889)
Change in other comprehensive income due to change in the federal tax rate | [1] | (45) |  |
Balance | [1] | (269) | 1,306 | 2,204
Defined Benefit Pension Items [Member] |  |  |  |
Accumulated Other Comprehensive Income Loss [Line Items] |  |  |  |
Balance | [1] | (2,698) | (2,440) | (2,326)
Other comprehensive income (loss) before reclassifications (net of tax) | [1] | (65) | (403) | (249)
Amounts reclassified from accumulated other comprehensive income (loss) (net of tax) | [1] | 148 | 145 | 135
Net other comprehensive income | [1] | 83 | (258) | (114)
Change in other comprehensive income due to change in the federal tax rate | [1] | (514) |  |
Balance | [1] | $ (3,129) | $ (2,698) | $ (2,440)
[1] | Amounts in parentheses indicate debits on the consolidated balance sheet.

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- Definition The pre-tax total of net gain (loss), prior service cost (credit), and transition assets (obligations), as well as minimum pension liability if still remaining, included in accumulated other comprehensive income associated with a defined benefit pension or other postretirement plan(s) because they have yet to be recognized as components of net periodic benefit cost. + References No definition available. + Details
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- Definition Accumulated change in equity from transactions and other events and circumstances from non-owner sources, net of tax effect, at period end. Excludes Net Income (Loss), and accumulated changes in equity from transactions resulting from investments by owners and distributions to owners. Includes foreign currency translation items, certain pension adjustments, unrealized gains and losses on certain investments in debt and equity securities, other than temporary impairment (OTTI) losses related to factors other than credit losses on available-for-sale and held-to-maturity debt securities that an entity does not intend to sell and it is not more likely than not that the entity will be required to sell before recovery of the amortized cost basis, as well as changes in the fair value of derivatives related to the effective portion of a designated cash flow hedge. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section 45 -Paragraph 11 -URI http://asc.fasb.org/extlink&oid=84228862&loc=d3e637-108580 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section 45 -Paragraph 14 -URI http://asc.fasb.org/extlink&oid=84228862&loc=d3e681-108580 Reference 3: 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=84228862&loc=SL7669686-108580 + Details
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