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ACCUMULATED OTHER COMPREHENSIVE (LOSS) INCOME - Summary of accumulated other comprehensive (loss) income (Details) (USD $)
In Thousands, unless otherwise specified
 12 Months Ended
Dec. 31, 2013
Dec. 31, 2012
Dec. 31, 2011
Accumulated Other Comprehensive Income (Loss) [Line Items]      
Balance $ (1,572) $ (1,458)  
Change during period:      
Before-tax amount (190) (464)  
Tax provision (benefit) 67 165  
Reclassification adjustment, net of taxes      
Amortization of net gain (loss) 781 (105)  
Net realized gain 61 290 64
Total activity in period 719 (114)  
Balance (853) (1,572) (1,458)
Pension Adjustment
      
Accumulated Other Comprehensive Income (Loss) [Line Items]      
Balance (1,771) (1,666)  
Change during period:      
Before-tax amount        
Tax provision (benefit)        
Reclassification adjustment, net of taxes      
Amortization of net gain (loss) 781 (105)  
Net realized gain        
Total activity in period 781 (105)  
Balance (990) (1,771)  
Unrealized Gain on Securities
      
Accumulated Other Comprehensive Income (Loss) [Line Items]      
Balance 199 208  
Change during period:      
Before-tax amount (190) (464)  
Tax provision (benefit) 67 165  
Reclassification adjustment, net of taxes      
Amortization of net gain (loss)        
Net realized gain 61 290  
Total activity in period (62) (9)  
Balance $ 137 $ 199