PARTNERS' CAPITAL AND MEMBERSHIP INTERESTS (Partnership Target Distributions) (Details) (USD $)
12 Months Ended
Dec. 31, 2013
Minimum quarterly distribution
 
Schedule of Partnership Target Distributions [Line Items]  
Total quarterly distribution per unit target amount $ 0.4
Thereafter
 
Schedule of Partnership Target Distributions [Line Items]  
Total quarterly distribution per unit target amount $ 0.60
Minimum | First target distribution
 
Schedule of Partnership Target Distributions [Line Items]  
Total quarterly distribution per unit target amount $ 0.40
Minimum | Second target distribution
 
Schedule of Partnership Target Distributions [Line Items]  
Total quarterly distribution per unit target amount $ 0.46
Minimum | Third target distribution
 
Schedule of Partnership Target Distributions [Line Items]  
Total quarterly distribution per unit target amount $ 0.50
Maximum | First target distribution
 
Schedule of Partnership Target Distributions [Line Items]  
Total quarterly distribution per unit target amount $ 0.46
Maximum | Second target distribution
 
Schedule of Partnership Target Distributions [Line Items]  
Total quarterly distribution per unit target amount $ 0.5
Maximum | Third target distribution
 
Schedule of Partnership Target Distributions [Line Items]  
Total quarterly distribution per unit target amount $ 0.6
Unitholders | Minimum quarterly distribution
 
Schedule of Partnership Target Distributions [Line Items]  
Percentage interest in distributions 98.00%
Unitholders | First target distribution
 
Schedule of Partnership Target Distributions [Line Items]  
Percentage interest in distributions 98.00%
Unitholders | Second target distribution
 
Schedule of Partnership Target Distributions [Line Items]  
Percentage interest in distributions 85.00%
Unitholders | Third target distribution
 
Schedule of Partnership Target Distributions [Line Items]  
Percentage interest in distributions 75.00%
Unitholders | Thereafter
 
Schedule of Partnership Target Distributions [Line Items]  
Percentage interest in distributions 50.00%
General partner
 
Schedule of Partnership Target Distributions [Line Items]  
Percentage interest in distributions 2.00%
Quarterly distributions per unit, incentive threshold $ 0.46
General partner | Minimum quarterly distribution
 
Schedule of Partnership Target Distributions [Line Items]  
Percentage interest in distributions 2.00%
General partner | First target distribution
 
Schedule of Partnership Target Distributions [Line Items]  
Percentage interest in distributions 2.00%
General partner | Second target distribution
 
Schedule of Partnership Target Distributions [Line Items]  
Percentage interest in distributions 15.00%
General partner | Third target distribution
 
Schedule of Partnership Target Distributions [Line Items]  
Percentage interest in distributions 25.00%
General partner | Thereafter
 
Schedule of Partnership Target Distributions [Line Items]  
Percentage interest in distributions 50.00%
General partner | Maximum
 
Schedule of Partnership Target Distributions [Line Items]  
Percentage interest in distributions in excess of incentive threshold 50.00%