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EMPLOYEE BENEFIT PLAN (Details) (USD $)
In Thousands, unless otherwise specified
6 Months Ended
Jun. 30, 2014
Jun. 30, 2013
Dec. 31, 2013
Components of net periodic benefit cost [Abstract]      
Service cost $ 28 $ 33  
Interest cost 24 21  
Amortization of prior service credit (9) (9)  
Amortization of loss 3 6  
Net periodic benefit cost 46 51  
Amount recognized in consolidated balance sheet for benefit obligations (included in other long-term obligations) $ 1,206   $ 1,152
Historical cash payments for retirement medical plan claims per year less than $100