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Capital - Private Perpetual Preferred Units (Narrative) (Details) - $ / shares	3 Months Ended		9 Months Ended
	Sep. 30, 2024	Sep. 30, 2023	Sep. 30, 2024	Sep. 30, 2023	Dec. 31, 2023
Preferred Units [Line Items]
Dividends declared (in USD per share)	$ 0.035	$ 0.035	$ 0.105	$ 0.105
Private Perpetual Preferred Units, Series 2019
Preferred Units [Line Items]
Private perpetual preferred units, issued (in shares)	4,664,038		4,664,038		4,664,000
Private perpetual preferred units, liquidation preference (in USD per share)	$ 13.52		$ 13.52		$ 13.52
Preferred units cumulative cash distributions (in USD per share)	$ 0.70		$ 0.70
Private Perpetual Preferred Units, Series 2014
Preferred Units [Line Items]
Private perpetual preferred units, issued (in shares)	1,560,000		1,560,000		1,560,000
Private perpetual preferred units issued during period (in shares)			1,560,360
Private perpetual preferred units, liquidation preference (in USD per share)	$ 16.62		$ 16.62		$ 16.62
Dividends declared (in USD per share)			$ 0.60

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- Definition

Preferred Units, Cumulative Cash Distributions, Per Share

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- Definition

Private Perpetual Preferred Units Issued During Period, Units, New Issues

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- Definition

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- Definition

Private Perpetual Preferred Units, Liquidation Preference Per Share

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- Definition

Aggregate dividends declared during the period for each share of common stock outstanding.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Topic 505
-SubTopic 10
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
-Subparagraph (SX 210.3-04)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480008/505-10-S99-1

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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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