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Partners' Capital - Partnership Units (Table) (Details) - shares
Jun. 30, 2018
Dec. 31, 2017
Partners' Capital [Abstract]    
Common units 127,246,692 127,246,692
General partner units 2,439,989 2,439,989
Preferred units 12,983,333 12,983,333
Total partnership units 142,670,014 142,670,014