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Overview (Details)
12 Months Ended
Dec. 31, 2024
refinery
segment
Jun. 01, 2023
Oct. 20, 2022
Operating segments | segment 3    
Number of owned and operated refineries | refinery 4    
Investment in Laramie Energy, LLC      
Ownership interest (in percent) 46.00%    
Yellowstone Energy Limited Partnership | Billings Acquisition      
Ownership interest (in percent) 65.00% 65.00% 65.00%
Yellowstone Pipeline Company      
Ownership interest (in percent) 40.00%    
Yellowstone Pipeline Company | Billings Acquisition      
Ownership interest (in percent)   40.00% 40.00%