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INTANGIBLE ASSETS (Details) (USD $)
In Thousands, unless otherwise specified
 3 Months Ended 12 Months Ended
Mar. 31, 2014
Dec. 31, 2013
INTANGIBLE ASSETS    
Weighted Average Amortization Period 15 years 9 months 18 days 15 years 9 months 18 days
Impairment of assets $ 0  
Cost 11,978 11,978
Accumulated Amortization (6,186) (6,075)
Net Book Value 5,792 5,903
Estimated future amortization expense    
2014 333  
2015 444  
2016 444  
2017 444  
2018 444  
2019 and thereafter 3,683  
Net Book Value 5,792 5,903
Minimum
    
INTANGIBLE ASSETS    
Weighted Average Amortization Period 10 years  
Maximum
    
INTANGIBLE ASSETS    
Weighted Average Amortization Period 20 years  
Customer relationships
    
INTANGIBLE ASSETS    
Weighted Average Amortization Period 7 years 2 months 12 days 7 years 2 months 12 days
Cost 3,979 3,979
Accumulated Amortization (3,606) (3,595)
Net Book Value 373 384
Estimated future amortization expense    
Net Book Value 373 384
Trade names
    
INTANGIBLE ASSETS    
Weighted Average Amortization Period 20 years 20 years
Cost 7,999 7,999
Accumulated Amortization (2,580) (2,480)
Net Book Value 5,419 5,519
Estimated future amortization expense    
Net Book Value $ 5,419 $ 5,519