Segment Information - Summarized Financial Information by Reportable Segments (Footnote) (Details) - USD ($) $ in Thousands	3 Months Ended
Mar. 31, 2025	Mar. 31, 2024
Segment Reporting Information [Line Items]
Mark-to-market (loss) gain on public equity securities	$ (5,000)	$ (9,400)
(Loss) gain in fair value of public equity securities	(5,022)	(43,159)
Other income, net
Segment Reporting Information [Line Items]
Mark-to-market (loss) gain on public equity securities		(9,400)
(Loss) gain in fair value of public equity securities		(33,700)
Gain (loss) on sale of assets		17,300
Preferred equity gain	9,800	8,700
Gain (loss) from adjustment of indemnification related to previously disposed businesses	(1,900)	(2,400)
Charges for asset retirement obligations	1,900	2,900
Cost of goods sold
Segment Reporting Information [Line Items]
Non-routine labor costs		1,400
Selling, general and administrative expenses
Segment Reporting Information [Line Items]
Gain (loss) on sale of assets	3,200
Legal costs	$ 600	$ 100
Windfield
Segment Reporting Information [Line Items]
Ownership percentage	49.00%

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Preferred Equity, FV-NI, Unrealized Gain (Loss)

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No definition available.

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- Definition

Amount of asset retirement obligations incurred during the period.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 410
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 1
-Subparagraph (c)(1)
-Publisher FASB
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- Definition

The percentage of ownership of common stock or equity participation in the investee accounted for under the equity method of accounting.

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Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 323
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 3
-Subparagraph (a)(1)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147481687/323-10-50-3

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Amount of unrealized and realized gain (loss) on investment in equity security measured at fair value with change in fair value recognized in net income (FV-NI).

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 944
-SubTopic 220
-Name Accounting Standards Codification
-Section S99
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Amount of unrealized gain (loss) on investment in equity security measured at fair value with change in fair value recognized in net income (FV-NI).

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Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 944
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Amount of gain (loss) on sale or disposal of other assets.

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Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 230
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-Section 45
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The amount of expense provided in the period for legal costs incurred on or before the balance sheet date pertaining to resolved, pending or threatened litigation, including arbitration and mediation proceedings.

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Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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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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