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DERIVATIVE FINANCIAL INSTRUMENTS (Details) - Interest Rate Swaps
$ in Thousands
3 Months Ended 9 Months Ended
Sep. 30, 2015
USD ($)
Sep. 30, 2014
USD ($)
Sep. 30, 2015
USD ($)
Sep. 30, 2014
USD ($)
Dec. 31, 2014
USD ($)
Oct. 31, 2013
USD ($)
derivative
Derivative financial instruments            
Number of derivative instruments | derivative           2
Notional amount of interest rate swap derivatives           $ 25,000
Ratio of notional amount to term loan (as a percent)           50.00%
Notional amount of interest rate swap derivatives at maturity           $ 6,673
Amount hedged $ 19,500   $ 19,500      
Hedge ineffectiveness recorded in earnings 0 $ 0 0 $ 0    
Estimated amount to be reclassified as an increase to interest expense     133      
Effect of derivative financial instruments on the consolidated statement of income and comprehensive income            
Net deferral in OCI of derivatives (effective portion) (135) 57 (295) (158)    
Interest expense            
Effect of derivative financial instruments on the consolidated statement of income and comprehensive income            
Net reclassification from AOCI into income (effective portion) 48 $ 56 149 $ 173    
Accrued liabilities.            
Derivative financial instruments            
Interest rate swaps (148)   (148)   $ (2)  
Total Liabilities            
Derivative financial instruments            
Interest rate swaps $ (148)   $ (148)   $ (2)