FAIR VALUE MEASUREMENTS (Details)
$ in Thousands
9 Months Ended
Sep. 30, 2017
USD ($)
item
Dec. 31, 2016
USD ($)
Fair value of financial assets and liabilities carried at fair value    
Aggregate carrying value of total debt $ 1,600 $ 1,600
Estimated fair value of total debt $ 1,700 1,600
Interest rate swap    
Fair value of financial assets and liabilities carried at fair value    
Number of counterparties to derivative contracts who experienced significant downgrades in 2017 | item 0  
Level 2    
Fair value of financial assets and liabilities carried at fair value    
Total liabilities at fair value $ 775 2,280
Level 2 | Interest rate swap    
Fair value of financial assets and liabilities carried at fair value    
Derivative Liabilities $ 775 $ 2,280