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Equity and Distributions, Distributions (Details) - Cash Distribution [Member] - $ / shares
3 Months Ended
Mar. 31, 2017
Mar. 31, 2016
First Quarter 2016 Distribution [Member]    
Distributions to Partners [Abstract]    
Distribution Per Common Unit (in dollars per unit)   $ 0.3950
Record Date   Apr. 29, 2016
Payment Date   May 06, 2016
First Quarter 2017 Distribution [Member]    
Distributions to Partners [Abstract]    
Distribution Per Common Unit (in dollars per unit) $ 0.4150  
Record Date Apr. 28, 2017  
Payment Date May 08, 2017