Assets and Liabilities Measured at Fair Value - Narratives (Details)	3 Months Ended			12 Months Ended
	Sep. 30, 2025 USD ($)	Dec. 31, 2024 USD ($) offsettingPosition	Mar. 31, 2024 USD ($)	Dec. 31, 2025 USD ($) offsettingPosition	Dec. 31, 2024 USD ($) offsettingPosition	Dec. 31, 2023 USD ($)
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Number of offsetting positions (in offsetting positions) | offsettingPosition		0		0	0
Impairment of assets		$ 28,400,000	$ 34,500,000	$ 115,002,000	$ 62,909,000	$ 0
United States Offshore
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Impairment of assets				115,002,000	62,909,000
Impairment of assets excluding NCI	$ 92,000,000.0
Commodity swaps | Accounts payable | Not Designated as Hedging Instrument
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Liability		$ (1,707,000)		$ 0	$ (1,707,000)