v3.10.0.1
PARTNERS' EQUITY Narrative 3 (Details)
3 Months Ended 6 Months Ended
Jun. 30, 2018
Jun. 30, 2017
Jun. 30, 2018
Jun. 30, 2017
Class of Stock [Line Items]        
General partner ownership interest 2.00% 2.00% 2.00% 2.00%
Common Limited Partner [Member]        
Class of Stock [Line Items]        
Common unitholders ownership interest     98.00%  
General Partner [Member]        
Class of Stock [Line Items]        
General partner ownership interest     2.00%