Partners' Capital, Mezzanine Capital and Distributions (Preferred Cash Distributions Paid) (Details) - USD ($)	May 15, 2024	Feb. 14, 2024	Nov. 14, 2023	Aug. 14, 2023	May 15, 2023
Preferred Unitholders | Class A Convertible Preferred Stock Units
Temporary Equity [Line Items]
Per Unit Amount (in dollars per unit)		$ 0.9473	$ 0.9473	$ 0.9473	$ 0.9473
Total Amount		$ 21,894,000	$ 22,612,000	$ 23,314,000	$ 24,002,000
Preferred Unitholders | Class A Convertible Preferred Stock Units | Subsequent Event
Temporary Equity [Line Items]
Per Unit Amount (in dollars per unit)	$ 0.9473
Total Amount	$ 21,894,000
Common Unitholders
Temporary Equity [Line Items]
Date Paid		Feb. 14, 2024	Nov. 14, 2023	Aug. 14, 2023	May 15, 2023
Per Unit Amount (in dollars per unit)		$ 0.15	$ 0.15	$ 0.15	$ 0.15
Total Amount		$ 18,370,000	$ 18,370,000	$ 18,387,000	$ 18,387,000
Common Unitholders | Subsequent Event
Temporary Equity [Line Items]
Date Paid	May 15, 2024
Per Unit Amount (in dollars per unit)	$ 0.15
Total Amount	$ 18,370,000