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DERIVATIVE FINANCIAL INSTRUMENTS AND HEDGING (Details 2) - Interest rate swaps
$ in Thousands
3 Months Ended 9 Months Ended
Oct. 15, 2015
instrument
Sep. 30, 2015
USD ($)
Sep. 30, 2014
USD ($)
Sep. 30, 2015
USD ($)
Sep. 30, 2014
USD ($)
Subsequent Event          
Interest rate cash flow hedges          
Number of derivative agreements for which an early settlement was executed | instrument 3        
Cash flow hedges          
Derivative instruments, gain (loss) recognized          
Loss recognized in accumulated other comprehensive income on derivative financial instruments (effective portion)   $ (1,168) $ 414 $ (2,314) $ (1,192)
Income (loss) recognized in loss on derivative financial instruments (ineffective portion)     1 (1)  
Cash flow hedges | Interest expense          
Derivative instruments, gain (loss) recognized          
Loss reclassified from accumulated other comprehensive income to interest expense (effective portion)   $ (426) $ (441) $ (1,276) $ (1,303)