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ACCUMULATED OTHER COMPREHENSIVE LOSS (Details) (USD $)
In Thousands, unless otherwise specified
 3 Months Ended
Mar. 31, 2014
Mar. 31, 2013
Accumulated Other Comprehensive Income (Loss) [Line Items]    
Balance $ (853) $ (1,572)
Change during period:    
Before-tax amount 7 (3)
Tax benefit (4) 1
Reclassification adjustment, net of taxes    
Amortization of net loss 6 [1] 11 [1]
Net realized gain 1 [2] 15 [2]
Total activity in period 10 24
Balance (843) (1,548)
Pension Adjustment
    
Accumulated Other Comprehensive Income (Loss) [Line Items]    
Balance (990) (1,771)
Change during period:    
Before-tax amount      
Tax benefit      
Reclassification adjustment, net of taxes    
Amortization of net loss 6 [1] 11 [1]
Net realized gain    [2]    [2]
Total activity in period 6 11
Balance (984) (1,760)
Unrealized Gain on Securities
    
Accumulated Other Comprehensive Income (Loss) [Line Items]    
Balance 137 199
Change during period:    
Before-tax amount 7 (3)
Tax benefit (4) 1
Reclassification adjustment, net of taxes    
Amortization of net loss    [1]    [1]
Net realized gain 1 [2] 15 [2]
Total activity in period 4 13
Balance $ 141 $ 212
[1] Reported as part of selling, general and administrative expenses.
[2] Reported as part of interest income.