Derivatives - Assets and Liabilities (Details) - USD ($)	Sep. 30, 2025	Dec. 31, 2024
Related Party
Derivative [Line Items]
Due to affiliate, current	$ 77,100,000	$ 109,300,000
Commodity contracts \| Related Party
Derivative [Line Items]
Due to affiliate, current	0	0
Not designated as hedging instrument \| Commodity contracts
Derivative [Line Items]
Derivative asset	5,200,000	4,500,000
Derivative liability	$ 41,500,000	$ 4,400,000

Fair value, before effects of master netting arrangements, of a financial asset or other contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset. Includes assets elected not to be offset. Excludes assets not subject to a master netting arrangement.

Fair value, before effects of master netting arrangements, of a financial liability or contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset. Includes liabilities elected not to be offset. Excludes liabilities not subject to a master netting arrangement.

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