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Fair Value Measurements - Commodity Swap Contracts and Embedded Derivatives (Details) - Embedded derivatives - Valuation Technique, Discounted Cash Flow - Level 3 | Jun. 30, 2026 | Dec. 31, 2025
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Minimum | ULSD Gulf Coast Forward Curve |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |
Derivative asset, measurement input | 2.55 | 2.09
Minimum | Historical Differential to PADD 3 Diesel |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |
Derivative asset, measurement input | 2.28 | 0.73
Minimum | Historical Differential to PADD 5 Diesel |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |
Derivative asset, measurement input |  | 2.28
Maximum | ULSD Gulf Coast Forward Curve |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |
Derivative asset, measurement input | 2.61 | 2.16
Maximum | Historical Differential to PADD 3 Diesel |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |
Derivative asset, measurement input | 3.53 | 1.62
Maximum | Historical Differential to PADD 5 Diesel |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |
Derivative asset, measurement input |  | 3.16
Weighted Average | ULSD Gulf Coast Forward Curve |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |
Derivative asset, measurement input | 2.57 | 2.12
Weighted Average | Historical Differential to PADD 3 Diesel |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |
Derivative asset, measurement input | 2.63 | 1.15
Weighted Average | Historical Differential to PADD 5 Diesel |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |
Derivative asset, measurement input |  | 2.59

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