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Commitments and Contingencies (Details) $ in Millions | 3 Months Ended | 9 Months Ended
--- | --- | ---
Mar. 31, 2022 USD ($) | Sep. 30, 2023 USD ($) claim
Long-term Purchase Commitment [Line Items] |  |
Number of remaining claim to be resolved | claim |  | 2
Bankruptcy claims amount of claims to be settled |  | $ 22.4
Settlement liabilities, current |  | 0.5
Maximum bankruptcy claims remaining |  | $ 22.4
Predecessor working ownership percentage |  | 3.40%
Allowed claims, settlement ratio |  | 0.0544
Wyoming Refinery |  |
Long-term Purchase Commitment [Line Items] |  |
Environmental remediation accrual |  | $ 14.4
Environmental costs recognized, period for recognition of one third costs |  | 5 years
Environmental costs recognized, remainder, period for recognition |  | 30 years
Wyoming Refinery | Waste Water Treatment System |  |
Long-term Purchase Commitment [Line Items] |  |
Environmental remediation accrual |  | $ 11.6
Regulation of Greenhouse Gases |  |
Long-term Purchase Commitment [Line Items] |  |
Gain on settlement |  | $ 99.7
Washington Department of Revenue | State Tax Authority |  |
Long-term Purchase Commitment [Line Items] |  |
Tax assessment | $ 1.4 |

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