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Derivatives (Narrative) (Details) $ in Millions			12 Months Ended
	Sep. 01, 2022	Sep. 01, 2017	Dec. 31, 2021 USD ($)	Dec. 31, 2020 USD ($)	Mar. 01, 2019
Derivatives, Fair Value [Line Items]
Net broker receivables			$ 2.9	$ 3.4
Margin deposit assets			2.1	3.3
Increase in variation margin deposits outstanding			0.8	$ 0.1
Fair value of embedded derivative liability			$ 83.2
Class A Convertible Preferred Units
Derivatives, Fair Value [Line Items]
Threshold trading days to notify holders		30 days
Basis spread					0.0200
Class A Convertible Preferred Units | Scenario, Forecast
Derivatives, Fair Value [Line Items]
Threshold trading days to notify holders	30 days
Reset rate	10.75%
Percentage below issue price	110.00%
Class A Convertible Preferred Units | LIBOR | Scenario, Forecast
Derivatives, Fair Value [Line Items]
Basis spread	0.0750

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Temporary Equity, Basis Spread on Variable Rate

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Temporary Equity, Percentage Below Issue Price

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Temporary Equity, Reset Rate

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Temporary Equity, Threshold Trading Days To Notify Holders

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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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Fair value as of the balance sheet date of the embedded derivative or group of embedded derivatives classified as a liability.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 815
-SubTopic 10
-Section 50
-Paragraph 4B
-Subparagraph (c)
-URI http://asc.fasb.org/extlink&oid=125515794&loc=SL5624163-113959

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- Definition

The increase (decrease) during the reporting period in money or securities placed with a broker or counterparty as security for a trading or derivative position.

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Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 28
-Subparagraph (a)
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The amount of cash or securities placed with a broker or counterparty as security for a trading or derivatives securities position which was partially obtained with funds provided by the broker dealer.

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Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
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Amount receivable from broker-dealers and clearing organizations, including, but not limited to, securities failed-to-deliver, certain deposits for securities borrowed, open transactions, good faith and margin deposits, commissions and floor brokerage receivables.

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Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 940
-SubTopic 20
-Section 45
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