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Unit-Based Compensation (Details) - USD ($)
$ in Thousands
3 Months Ended 9 Months Ended
Sep. 30, 2016
Sep. 30, 2015
Sep. 30, 2016
Sep. 30, 2015
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]        
Non-cash equity based compensation expense $ 3,017 $ 2,132 $ 9,455 $ 5,886
Phantom common units [Member]        
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]        
Non-cash equity based compensation expense 2,533 1,720 7,881 4,756
Allocated from ETP [Member]        
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]        
Allocated Share-based Compensation Expense $ 484 $ 412 $ 1,574 $ 1,130