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Derivatives - Net Gain (Loss) (Details) - USD ($) | 3 Months Ended | 6 Months Ended
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Jun. 30, 2025 | Jun. 30, 2024 | Jun. 30, 2025 | Jun. 30, 2024
Derivative [Line Items] |  |  |  |
Derivative gain (loss) on derivative, net | $ (15,500,000) | $ (4,000,000.0) | $ (20,900,000) | $ 3,400,000
Commodity contracts |  |  |  |
Derivative [Line Items] |  |  |  |
Derivative gain (loss) on derivative, net | (15,500,000) | (4,000,000.0) | (20,900,000) | 3,500,000
Commodity contracts | Related Party | Glencore |  |  |  |
Derivative [Line Items] |  |  |  |
Derivative gain (loss) on derivative, net | 0 | (1,900,000) | 0 | 2,500,000
Foreign exchange contracts |  |  |  |
Derivative [Line Items] |  |  |  |
Derivative gain (loss) on derivative, net | $ 0 | $ 0 | $ 0 | $ (100,000)

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