Equity - Class C Preferred Units (Details) - USD ($) $ / shares in Units, $ in Millions		3 Months Ended	6 Months Ended	33 Months Ended
	Apr. 15, 2024	Sep. 30, 2023	Sep. 30, 2023	Sep. 30, 2023
Preferred Units
Preferred stock, amount of preferred dividends in arrears				$ 321.2
Series C Preferred Stock
Preferred Units
Preferred units, issued and outstanding (in units)		1,800,000	1,800,000	1,800,000
Preferred units, dividend payment terms			The current distribution rate for the Class C Preferred Units is 9.625% per year of the $25.00 liquidation preference per unit (equal to $2.41 per unit per year).
Preferred stock, per share amounts of preferred dividends in arrears		$ 0.6016		$ 6.6173
Preferred stock, amount of preferred dividends in arrears				$ 13.3
Series C Preferred Stock | Subsequent Event
Preferred Units
Preferred units, dividend payment terms	On and after April 15, 2024, distributions on the Class C Preferred Units will accumulate at a percentage of the $25.00 liquidation preference equal to the applicable three-month LIBOR interest rate (or alternative rate as determined in accordance with the amended and restated limited partnership agreement (the “Partnership Agreement”)) plus a spread of 7.384%.