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ACCUMULATED OTHER COMPREHENSIVE LOSS (Details) (USD $)
In Thousands, unless otherwise specified
 3 Months Ended 9 Months Ended
Sep. 30, 2013
Sep. 30, 2012
Sep. 30, 2013
Sep. 30, 2012
Accumulated Other Comprehensive Income (Loss) [Roll Forward]        
Balance January 1, 2013     $ (5,702)  
Other comprehensive loss before reclassification     (19)  
Amounts reclassified from accumulated other comprehensive income     508  
TOTAL OTHER COMPREHENSIVE INCOME 115 203 489 461
Balance September 30, 2013 (5,213)   (5,213)  
Unrealized loss on available-for-sale securities [Member]
        
Accumulated Other Comprehensive Income (Loss) [Roll Forward]        
Balance January 1, 2013     (18)  
Other comprehensive loss before reclassification     (19)  
Amounts reclassified from accumulated other comprehensive income     0  
TOTAL OTHER COMPREHENSIVE INCOME     (19)  
Balance September 30, 2013 (37)   (37)  
Net unrealized loss on retirement plan [Member]
        
Accumulated Other Comprehensive Income (Loss) [Roll Forward]        
Balance January 1, 2013     (5,684)  
Other comprehensive loss before reclassification     0  
Amounts reclassified from accumulated other comprehensive income     508  
TOTAL OTHER COMPREHENSIVE INCOME     508  
Balance September 30, 2013 (5,176)   (5,176)  
Net unrealized loss on retirement plan [Member] | Reclassification out of AOCI [Member]
        
Other Comprehensive (Income) Loss, Reclassification Adjustment from AOCI, Pension and Other Postretirement Benefit Plans, Net of Tax [Abstract]        
Amortization of prior service cost 146   438  
Amortization of actuarial loss 23   70  
Total $ 169   $ 508