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DERIVATIVE FINANCIAL INSTRUMENTS (Details) - Interest Rate Swaps
$ in Thousands
12 Months Ended
Dec. 31, 2016
USD ($)
Dec. 31, 2015
USD ($)
Dec. 31, 2014
USD ($)
Feb. 28, 2017
USD ($)
Oct. 31, 2013
USD ($)
instrument
Derivative financial instruments          
Number of derivative instruments | instrument         2
Notional amount of interest rate swap derivatives         $ 25,000
Ratio of notional amount to term loan (as a percent)         50.00%
Amount hedged $ 12,500        
Notional amount of interest rate swap derivatives at maturity 3,337       $ 6,673
Hedge ineffectiveness recorded in earnings 0 $ 0 $ 0    
Estimated amount to be reclassified as an increase to interest expense 30        
Effect of derivative financial instruments on the consolidated statement of income and comprehensive income          
Net deferral in OCI of derivatives (effective portion) 111 219      
Net reclassification from AOCI into income (effective portion) 108 194 $ 229    
Other Liabilities          
Derivative financial instruments          
Fair value of derivative liability $ 30 $ 27      
Subsequent Event          
Derivative financial instruments          
Notional amount of interest rate swap derivatives       $ 40,000