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RISK MANAGEMENT AND USE OF FINANCIAL INSTRUMENTS (Details) - USD ($)
$ in Thousands
3 Months Ended 9 Months Ended
Jan. 24, 2019
Sep. 30, 2020
Sep. 30, 2020
Sep. 30, 2019
Dec. 24, 2018
Derivative financial instruments          
Settlement of hedge transactions       $ 807  
Realized losses reclassified from accumulated other comprehensive loss   $ 20 $ 60    
Amount estimated to be reclassified as an increase to interest expense     $ 100    
Interest rate swap          
Derivative financial instruments          
Notional Amount         $ 150,000
Other Comprehensive Income (Loss), Reclassification Adjustment from AOCI on Derivatives, Termination Premium $ 800        
Designated | Cash flow          
Derivative financial instruments          
Settlement of hedge transactions $ 800