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INTANGIBLE ASSETS (Details) - USD ($)
$ in Thousands
 3 Months Ended 6 Months Ended 12 Months Ended
Jun. 30, 2015
Jun. 30, 2014
Jun. 30, 2015
Jun. 30, 2014
Dec. 31, 2014
INTANGIBLE ASSETS          
Weighted Average Amortization Period     15 years 9 months 18 days   15 years 9 months 18 days
Impairment of assets     $ 0    
Cost Basis $ 11,978   11,978   $ 11,978
Accumulated Amortization (6,741)   (6,741)   (6,519)
Net Book Value 5,237   5,237   5,459
Amortization expense 111 $ 111 222 $ 222  
Estimated future amortization expense          
2015 222   222    
2016 444   444    
2017 444   444    
2018 444   444    
2019 444   444    
2020 and thereafter 3,239   3,239    
Net Book Value 5,237   $ 5,237   $ 5,459
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 Basis 3,979   $ 3,979   $ 3,979
Accumulated Amortization (3,661)   (3,661)   (3,639)
Net Book Value 318   318   340
Estimated future amortization expense          
Net Book Value 318   $ 318   $ 340
Trade names          
INTANGIBLE ASSETS          
Weighted Average Amortization Period     20 years   20 years
Cost Basis 7,999   $ 7,999   $ 7,999
Accumulated Amortization (3,080)   (3,080)   (2,880)
Net Book Value 4,919   4,919   5,119
Estimated future amortization expense          
Net Book Value $ 4,919   $ 4,919   $ 5,119