Equity Narrative (Details) - USD ($) $ / shares in Units, $ in Millions		1 Months Ended	3 Months Ended			6 Months Ended
	Jan. 01, 2020	Jul. 31, 2019	Jun. 30, 2020	Mar. 31, 2020	Dec. 31, 2019	Jun. 30, 2020	Jan. 31, 2020
Traverse
Rate			$ 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						96,592
Rate			$ 0.5250	$ 0.5250	$ 0.5250
Stock Issued During Period, Value, Dividend Reinvestment Plan						$ 0.9
Series G Preferred Units [Member]
Preferred Units, Outstanding			1,100,000			1,100,000
Preferred Units, Issued							1,100,000
Preferred Stock, Dividend Rate, Percentage	7.125%
Shares Issued, Price Per Share							$ 1,000
Preferred Units, Liquidation Spread, Percent							5.306%
Series F Preferred Units [Member]
Preferred Units, Outstanding			500,000			500,000
Preferred Units, Issued							500,000
Preferred Stock, Dividend Rate, Percentage	6.75%
Shares Issued, Price Per Share							$ 1,000
Preferred Units, Liquidation Spread, Percent							5.134%
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
USAC [Member]
Stock Issued During Period, Shares, Conversion of Units		6,397,965
Class B Units [Member] | USAC [Member]
Partners' Capital Account, Units, Converted		6,397,965