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Holly Energy Partners (Details)
bbl in Thousands, $ in Millions
1 Months Ended 12 Months Ended
Oct. 31, 2019
USD ($)
bbl
Dec. 31, 2021
USD ($)
customer
Dec. 31, 2020
customer
Dec. 31, 2019
customer
Holly Energy Partners Entity [Line Items)        
Number of significant customers | customer     0 0
Osage Pipeline        
Holly Energy Partners Entity [Line Items)        
Equity method investment, ownership percentage   50.00%    
Cushing Connect Joint Venture | HEP        
Holly Energy Partners Entity [Line Items)        
Barrels of crude oil per day | bbl 160      
Barrels of crude oil, value | bbl 1,500      
Percent of budget which construction costs payable by HEP   10.00%    
Cushing Connect Joint Venture | HEP | Minimum        
Holly Energy Partners Entity [Line Items)        
Expected construction costs $ 70.0      
Cushing Connect Joint Venture | HEP | Maximum        
Holly Energy Partners Entity [Line Items)        
Expected construction costs $ 75.0      
UNEV Pipeline        
Holly Energy Partners Entity [Line Items)        
Equity method investment, ownership percentage   75.00%    
HEP        
Holly Energy Partners Entity [Line Items)        
Percentage of ownership in variable interest entity   57.00%    
Number of significant customers | customer   2    
Minimum annualized payments under agreement   $ 352.8    
HEP | HollyFrontier | Customer Concentration Risk | Revenue Benchmark | HEP        
Holly Energy Partners Entity [Line Items)        
Concentration risk, percentage of total revenues   79.00%