Equity - Total Preferred Unit Distributions in Arrears and Subsequent Payments (Details) - USD ($) $ / shares in Units, $ in Millions			12 Months Ended	39 Months Ended
	Apr. 25, 2024	Apr. 18, 2024	Mar. 31, 2024	Mar. 31, 2024	Apr. 04, 2024
Preferred Units
Preferred units, amount of preferred dividends in arrears			$ 216.8
Subsequent Event
Preferred Units
Preferred units, dividends paid	$ 98.1	$ 120.0
Preferred Stock | Subsequent Event
Preferred Units
Dividends declared, percentage of dividends in arrears					55.40%
Series B Preferred Stock
Preferred Units
Preferred units, amount of preferred dividends in arrears				$ 68.7
Series B Preferred Stock | Subsequent Event
Preferred Units
Preferred units, dividends per unit, declared	$ 2.4750	$ 3.0224
Distributions earned during the quarter but not paid	$ 9.9
Series C Preferred Stock
Preferred Units
Preferred units, amount of preferred dividends in arrears				8.7
Series C Preferred Stock | Subsequent Event
Preferred Units
Preferred units, dividends per unit, declared	$ 2.1860	$ 2.6790
Distributions earned during the quarter but not paid	$ 1.1
Series D Preferred Stock
Preferred Units
Preferred units, amount of preferred dividends in arrears				$ 139.4
Series D Preferred Stock | Subsequent Event
Preferred Units
Dividends declared, percentage of dividends in arrears					55.40%
Preferred units, dividends paid	63.0	$ 77.1
Distributions earned during the quarter but not paid	$ 16.4