Partners' Capital, Mezzanine Equity and Distributions (Class A Convertible Preferred Units - Narrative) (Details) - Class A Convertible Preferred Stock Units $ / shares in Units, $ in Millions					12 Months Ended
	Sep. 01, 2024 USD ($) director shares	Sep. 01, 2022	Mar. 01, 2019 quarters	Sep. 01, 2017 USD ($) buyer $ / shares shares	Dec. 31, 2022 USD ($) $ / shares shares	Dec. 31, 2021 USD ($) shares	Dec. 31, 2020 USD ($)	Nov. 14, 2022 $ / shares	Sep. 29, 2022	Aug. 12, 2022 $ / shares	May 13, 2022 $ / shares	Feb. 14, 2022 $ / shares	Nov. 12, 2021 $ / shares	Aug. 13, 2021 $ / shares	May 14, 2021 $ / shares	Feb. 12, 2021 $ / shares	Nov. 13, 2020 $ / shares	Aug. 14, 2020 $ / shares	May 15, 2020 $ / shares	Sep. 01, 2019 USD ($)
Temporary Equity [Line Items]
Class A convertible preferred units issued (in units)					25,336,778	25,336,778
Number of shares authorized to be converted (in units)				7,416,498
Consecutive period for shares to be converted				12 months
Minimum number of shares outstanding authorized to be converted (in units)				592,768
Volume weighted average price percentage				95.00%
Consecutive trading days in period ending on fifth trading day				30 days
Consideration payable to holders in cash for change of control percentage				90.00%
Threshold trading days to notify holders		30 days		30 days
Change in control multiplier price percentage				101.00%
Temporary Equity, Basis Spread on Variable Rate			0.0200
Reset rate		10.75%			11.24%				11.24%
Percentage below issue price		110.00%
Convertible preferred units outstanding (in units)					25,336,778	25,336,778
Accumulated distributions attributable to Class A preferred unitholders | $					$ 80.1	$ 74.7	$ 74.7
Aggregate amount of conversion required, minimum | $																				$ 50.0
Number of quarters in trading period | quarters			2
Preferred Unitholders
Temporary Equity [Line Items]
Cash distributions per common unit (in dollars per unit) | $ / shares					$ 0.9473			$ 0.7374		$ 0.7374	$ 0.7374	$ 0.7374	$ 0.7374	$ 0.7374	$ 0.7374	$ 0.7374	$ 0.7374	$ 0.7374	$ 0.7374
In Arrears At Annual Rate
Temporary Equity [Line Items]
Dividend rate percentage				8.75%
Dividend amount (in dollars per unit) | $ / shares				$ 2.9496
Quarterly Rate
Temporary Equity [Line Items]
Dividend rate percentage				2.1875%
Dividend amount (in dollars per unit) | $ / shares				$ 0.7374
LIBOR
Temporary Equity [Line Items]
Temporary Equity, Basis Spread on Variable Rate		0.0750							750
Reset rate									3.74%
Scenario, Forecast
Temporary Equity [Line Items]
Conversion ratio	1
Aggregate amount of ownership required for initial purchasers to attend board meetings | $	$ 200.0
Percentage required for initial purchasers to purchase securities	50.00%
Aggregate number of ownership units required for initial purchasers to appoint directors (in units)	11,124,747
Number of directors that initial purchasers have right to appoint | director	2
Minimum
Temporary Equity [Line Items]
Redemption premium percentage				115.00%
Reset rate									8.75%
Maximum
Temporary Equity [Line Items]
Redemption premium percentage				101.00%
Reset rate					11.24%
Private Placement
Temporary Equity [Line Items]
Private placement of convertible preferred units | $				$ 750.0
Class A convertible preferred units issued (in units)				22,249,494
Cash purchase price per unit (in dollars per unit) | $ / shares				$ 33.71
Number of initial purchasers | buyer				2