Commitments and Contingencies (Details) - USD ($) $ in Thousands	3 Months Ended	6 Months Ended
Mar. 31, 2022	Jun. 30, 2025
Wyoming Refinery One
Long-term Purchase Commitment [Line Items]
Accrual for environmental loss contingencies		$ 12,700
Environmental costs recognized, period for recognition of one third costs (in years)		5 years
Environmental costs recognized, period for recognition (in years)		30 years
Wyoming Refinery Two \| Waste Water Treatment System
Long-term Purchase Commitment [Line Items]
Accrual for environmental loss contingencies		$ 11,600
Wyoming Refinery
Long-term Purchase Commitment [Line Items]
Loss contingency, range of possible loss, portion not accrued		$ 300
Washington Department of Revenue \| State Tax Authority
Long-term Purchase Commitment [Line Items]
Income tax examination, estimate of possible loss	$ 1,400

Environmental Costs Recognized, Period For Recognition

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Environmental Costs Recognized, Period For Recognition Of One Third Costs

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Total costs accrued as of the balance sheet date for environmental loss contingencies.

+ References

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Estimated amount of loss resulting from an adverse tax position.

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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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The difference between the maximum amount of estimated loss and the amount recorded as of the balance sheet date.

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