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Equity Narrative (Details) - USD ($)
$ / shares in Units, $ in Millions
3 Months Ended 9 Months Ended
Sep. 30, 2020
Jun. 30, 2020
Mar. 31, 2020
Dec. 31, 2019
Sep. 30, 2020
Traverse          
Rate $ 0.8255 $ 0.8255 $ 0.8255 $ 0.8255  
Traverse | Equity Distribution Program [Member]          
Partners' Capital Account, Units, Sale of Units         0
Equity Distribution Agreements, Value of Units Available to be Issued $ 295.0       $ 295.0
USAC [Member]          
Stock Issued During Period, Shares, Dividend Reinvestment Plan         140,318
Rate $ 0.5250 $ 0.5250 $ 0.5250 $ 0.5250  
Stock Issued During Period, Value, Dividend Reinvestment Plan         $ 1.4
Series G Preferred Units [Member]          
Preferred Units, Outstanding 1,100,000       1,100,000
Series F Preferred Units [Member]          
Preferred Units, Outstanding 500,000       500,000
Series E Preferred Units [Member]          
Preferred Units, Outstanding 32,000,000       32,000,000
Series D Preferred Units [Member]          
Preferred Units, Outstanding 17,800,000       17,800,000
Series C Preferred Units [Member]          
Preferred Units, Outstanding 18,000,000       18,000,000
Series B Preferred Units [Member]          
Preferred Units, Outstanding 550,000       550,000
Series A Preferred Units [Member]          
Preferred Units, Outstanding 950,000       950,000