Segment Information - Summarized Financial Information by Reportable Segments (Footnote) (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2025	Sep. 30, 2024	Sep. 30, 2025	Sep. 30, 2024
Segment Reporting Information [Line Items]
Mark-to-market (loss) gain on public equity securities	$ 7,900	$ (5,000)	$ 3,100	$ (32,200)
(Loss) gain in fair value of public equity securities	7,980	(4,983)	3,144	(65,922)
Write-off of certain fixed assets	2,275	828,146	5,660	1,156,522
Other income (expense), net
Segment Reporting Information [Line Items]
Mark-to-market (loss) gain on public equity securities		(5,000)		(32,200)
(Loss) gain in fair value of public equity securities			(38,000)	(33,700)
Write-off of certain fixed assets		16,200		21,600
Gain (loss) on sale of assets				17,300
Gain (loss) from adjustment of indemnification related to previously disposed businesses	(500)	2,000	(2,400)	(400)
Preferred equity gain		9,200	19,800	26,800
Charges for asset retirement obligations			1,900	2,900
Liability releases				600
Selling, general and administrative expenses
Segment Reporting Information [Line Items]
(Loss) gain in fair value of public equity securities	1,400		1,400
Severance expenses	2,000		3,800
Write-off of certain fixed assets	1,400		1,400
Legal costs	1,300	$ 100	1,900	5,300
Gain (loss) on sale of assets	$ 1,900		$ 13,300
Cost of goods sold
Segment Reporting Information [Line Items]
Non-routine labor costs				$ 1,400
Windfield
Segment Reporting Information [Line Items]
Ownership percentage	49.00%		49.00%