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Holly Energy Partners (Details)
$ in Thousands
3 Months Ended 6 Months Ended
Jun. 30, 2020
USD ($)
Jun. 30, 2019
USD ($)
Jun. 30, 2020
USD ($)
Customers
shares
Jun. 30, 2019
USD ($)
Holly Energy Partners Entity [Line Items]        
Operating Leases, Income Statement, Lease Revenue $ 5,442 $ 8,267 $ 13,732 $ 16,466
Equity Method Investment, Ownership Percentage 50.00%   50.00%  
Capital Expenditures Incurred but Not yet Paid     $ 65,000  
Common Unit Issuance Program     $ 200,000  
Common Stock, Shares, Issued | shares     2,413,153  
Proceeds from issuance of common units - HEP     $ 82,300  
Sales-type Lease, Selling Profit (Loss) $ 33,834 $ 0 33,834 $ 0
Sales-type Lease, Interest Income 642   642  
Variable Lease, Payment $ 286   $ 286  
UNEV Pipeline [Member]        
Holly Energy Partners Entity [Line Items]        
Equity Method Investment, Ownership Percentage 75.00%   75.00%  
Osage Pipeline [Member] [Member]        
Holly Energy Partners Entity [Line Items]        
Equity Method Investment, Ownership Percentage 50.00%   50.00%  
HEP        
Holly Energy Partners Entity [Line Items]        
Percentage of ownership in variable interest entity     57.00%  
HEP number of significant customers | Customers     2  
HFC Percentage of HEP Revenues     81.00%  
Long-term Purchase Commitment with HEP     $ 351,100