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ACCUMULATED OTHER COMPREHENSIVE INCOME OR LOSS (Tables) | 12 Months Ended
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Dec. 31, 2015
Equity [Abstract] |
Summary of Changes in Accumulated Other Comprehensive Income or Loss by Component, Net of Tax | The following is a summary of the changes in accumulated other comprehensive income or loss by component, net of tax, for the periods indicated (in thousands):
|  | Unrealized Gains and Losses on Securities Available for Sale |  | Defined Benefit and Other Benefit Plans |  | Total
Balance at December 31, 2014 |  | $ | 1,960 |  |  | $ | (10,745 | ) |  | $ | (8,785 | )
Other comprehensive loss before reclassification |  | (1,520 | ) |  | (1,268 | ) |  | (2,788 | )
Amounts reclassified from accumulated other comprehensive income (loss) |  | (230 | ) |  | 861 |  |  | 631 |
Net current period other comprehensive loss |  | (1,750 | ) |  | (407 | ) |  | (2,157 | )
Balance at December 31, 2015 |  | $ | 210 |  |  | $ | (11,152 | ) |  | $ | (10,942 | )
|  | Unrealized Gains and Losses on Securities Available for Sale |  | Defined Benefit and Other Benefit Plans |  | Total
Balance at December 31, 2013 |  | $ | 6,043 |  |  | $ | (5,888 | ) |  | $ | 155 |
Other comprehensive income (loss) before reclassification |  | 146 |  |  | (5,221 | ) |  | (5,075 | )
Amounts reclassified from accumulated other comprehensive income (loss) |  | (4,229 | ) |  | 364 |  |  | (3,865 | )
Net current period other comprehensive loss |  | (4,083 | ) |  | (4,857 | ) |  | (8,940 | )
Balance at December 31, 2014 |  | $ | 1,960 |  |  | $ | (10,745 | ) |  | $ | (8,785 | )
|  | Unrealized Gains and Losses on Securities Available for Sale |  | Defined Benefit and Other Benefit Plans |  | Total
Balance at January 1, 2013 |  | $ | 8,023 |  |  | $ | (10,830 | ) |  | $ | (2,807 | )
Other comprehensive income (loss) before reclassification |  | (1,988 | ) |  | 3,994 |  |  | 2,006 |
Amounts reclassified from accumulated other comprehensive income (loss) |  | 8 |  |  | 948 |  |  | 956 |
Net current period other comprehensive income (loss) |  | (1,980 | ) |  | 4,942 |  |  | 2,962 |
Balance at December 31, 2013 |  | $ | 6,043 |  |  | $ | (5,888 | ) |  | $ | 155 |
Reclassification Out of Accumulated Other Comprehensive Income | The following is the reclassification out of accumulated other comprehensive income (loss) for the periods indicated (in thousands):
Details about Accumulated Other Comprehensive Income (Loss) Components |  | Year Ended December 31, |  | Affected Line Item in the Statement Where Net Income is Presented
|  | 2015 |  | 2014 |  | 2013 |  |
Unrealized gains and losses on securities available for sale: |  |  |  |  |  |  |  |
Reclassification adjustment for other-than-temporary losses realized in income |  | $ | — |  |  | $ | — |  |  | $ | 29 |  |  | Total impairment losses
Realized gains on securities available for sale |  | (372 | ) |  | (6,869 | ) |  | (16 | ) |  | Net gains on securities transactions
Tax effect |  | 142 |  |  | 2,640 |  |  | (5 | ) |  | Income tax expense (benefit)
Net of tax |  | (230 | ) |  | (4,229 | ) |  | 8 |  |  |
Amortization of defined pension plan and other benefit plan items: |  |  |  |  |  |  |  |  |  |  |
Prior service costs (a) |  | (90 | ) |  | (90 | ) |  | (83 | ) |  | Pension and other employee benefits
Actuarial losses (a) |  | 1,484 |  |  | 681 |  |  | 1,624 |  |  | Pension and other employee benefits
Tax effect |  | (533 | ) |  | (227 | ) |  | (593 | ) |  | Income tax benefit
Net of tax |  | 861 |  |  | 364 |  |  | 948 |  |  |
Total reclassification for the period, net of tax |  | $ | 631 |  |  | $ | (3,865 | ) |  | $ | 956 |  |  |
(a) These accumulated other comprehensive income (loss) components are included in the computation of net periodic pension and other benefit plan costs (see Note 12 for additional information).

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- Definition Tabular disclosure of information about items reclassified out of accumulated other comprehensive income (loss). + References No definition available. + Details
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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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