v3.26.1
Overview (Details)
6 Months Ended
Jun. 30, 2026
refinery
segment
Schedule of Equity Method Investments [Line Items]  
Operating segments | segment 3
Number of owned and operated refineries | refinery 4
Laramie Energy Company  
Schedule of Equity Method Investments [Line Items]  
Ownership interest (in percent) 46.00%
Yellowstone Energy Limited Partnership | Billings Acquisition  
Schedule of Equity Method Investments [Line Items]  
Ownership interest (in percent) 65.00%
Yellowstone Pipeline Company  
Schedule of Equity Method Investments [Line Items]  
Ownership interest (in percent) 40.00%
Yellowstone Pipeline Company | Billings Acquisition  
Schedule of Equity Method Investments [Line Items]  
Ownership interest (in percent) 40.00%
Hawaii Renewables, LLC  
Schedule of Equity Method Investments [Line Items]  
Ownership interest (in percent) 63.50%