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Holly Energy Partners - Narrative (Details)
bbl in Thousands, $ in Thousands
1 Months Ended 3 Months Ended 9 Months Ended
Oct. 31, 2019
USD ($)
bbl
Sep. 30, 2021
USD ($)
Sep. 30, 2020
USD ($)
Sep. 30, 2021
USD ($)
Sep. 30, 2020
USD ($)
Holly Energy Partners Entity [Line Items]          
Gain on sales-type leases   $ 0 $ 0 $ 0 $ 33,834
Osage Pipeline          
Holly Energy Partners Entity [Line Items]          
Equity method investment, ownership percentage   50.00%   50.00%  
Crushing Connect Joint Venture          
Holly Energy Partners Entity [Line Items]          
Barrels of crude oil per day | bbl 160        
Barrels of crude oil, value | bbl 1,500        
Crushing Connect Joint Venture | Minimum          
Holly Energy Partners Entity [Line Items]          
Expected construction costs $ 70,000        
Crushing Connect Joint Venture | Maximum          
Holly Energy Partners Entity [Line Items]          
Expected construction costs $ 75,000        
HEP          
Holly Energy Partners Entity [Line Items]          
Percentage of ownership in variable interest entity       57.00%  
Minimum annualized payments under agreement       $ 352,900  
HEP | Revenue Benchmark | Customer Concentration Risk | HEP | HollyFrontier          
Holly Energy Partners Entity [Line Items]          
Concentration risk, percentage of total revenues       79.00%