PARTNERS' CAPITAL AND MEMBERSHIP INTERESTS (Subordination and Cash Distribution Policy) (Details) (USD $)
12 Months Ended 0 Months Ended 1 Months Ended 12 Months Ended
Dec. 31, 2013
Jun. 04, 2013
General partner
Oct. 03, 2012
General partner
Mar. 31, 2013
General partner
Dec. 31, 2013
Condition one
Dec. 31, 2013
Condition one
General partner
Dec. 31, 2013
Condition two
Dec. 31, 2013
Condition two
General partner
Dec. 31, 2013
Subordinated units
Schedule of Partners' Capital [Line Items]                  
Common unit per subordinated unit upon conversion at end of subordination period (in shares)                 1
Minimum quarterly distribution (in dollars per share)         $ 1.60   $ 2.40    
General partner interest (as a percent)   2.00% 2.00% 2.00%   2.00%   2.00%  
Term for condition to be met to end subordination period         3 years        
Percent of minimum distribution             150.00%    
Maximum period following end of quarter to distribute all available cash 45 days