Description of Business and Presentation of Financial Statements (Details) $ in Thousands		3 Months Ended			6 Months Ended
	Feb. 01, 2019 USD ($)	Sep. 30, 2020 USD ($)	Jun. 30, 2020 USD ($)	Jun. 30, 2019 USD ($)	Jun. 30, 2020 USD ($) Petroleum_Refineries mi	Jun. 30, 2019 USD ($)	Jan. 01, 2020 USD ($)	Dec. 31, 2019 USD ($)
Ownership Interest By Project Type [Line Items]
Allowance for Doubtful Accounts, Premiums and Other Receivables			$ 2,100		$ 2,100		$ 3,200
Income Tax Expense (Benefit)			(30,911)	$ 89,336	$ (193,077)	$ 176,841
Effective Income Tax Rate Reconciliation, Percent					30.30%	26.40%
Number of refineries located in Tulsa, Oklahoma | Petroleum_Refineries					2
Refinery Distance From Main City [Miles] | mi					65
Impairment of Intangible Assets, Finite-lived			232,200
Restructuring and Related Cost, Accelerated Depreciation			2,200
Restructuring and Related Cost, Cost Incurred to Date			$ 1,100		$ 1,100
Restructuring and Related Cost, Number of Positions Eliminated, Inception to Date			200		200
Restructuring Reserve, Current			$ 3,700		$ 3,700
Impairment of Long-Lived Assets Held-for-use			204,700		436,908
Allowance for doubtful accounts reserve			3,400		3,400			$ 4,500
Goodwill			2,373,912		2,373,912			2,373,907
Proceeds from inventory repurchase agreements					20,400	$ 12,600
Payments under inventory repurchase agreements					(21,700)	(12,900)
Business Combination, Consideration Transferred	$ 701,600				2,400	0
Payments to Acquire Businesses, Net of Cash Acquired	662,700				0	662,665
Assets Acquired and Liabilities Assumed, Cash and Equivalents	38,900
Assets Acquired and Liabilities Assumed, Current Assets	139,400
Assets Acquired and Liabilities Assumed, Property, Plant, and Equipment	168,200
Business Combination Goodwill not Deductible for Income Taxes	282,300
Assets Acquired and Liabilities Assumed, Intangible Assets, Other than Goodwill	231,500
Assets Acquired and Liabilities Assumed, Current Liabilities	47,900
Assets Acquired and Liabilities Assumed, Noncurrent Liabilities	$ 110,800
Business Combination, Integration Related Costs			600	3,600	1,900	16,200
Long-lived Asset and Goodwill, Impairments			436,908	152,712	436,908	152,712
Refining
Ownership Interest By Project Type [Line Items]
Impairment of Long-Lived Assets Held-for-use					215,242
Goodwill			1,733,500		1,733,500
Long-lived Asset and Goodwill, Impairments			215,242	0		0
Lubricants and other specialty products - acquisition
Ownership Interest By Project Type [Line Items]
Goodwill			327,600		327,600
HEP
Ownership Interest By Project Type [Line Items]
Impairment of Long-Lived Assets Held-for-use					16,958
Goodwill			312,900		$ 312,900
Long-lived Asset and Goodwill, Impairments			16,958	$ 0
HEP
Ownership Interest By Project Type [Line Items]
Percentage of ownership in variable interest entity					57.00%
Goodwill			312,873		$ 312,873			$ 312,873
Long-lived Asset and Goodwill, Impairments						$ 0
Subsequent Event [Member]
Ownership Interest By Project Type [Line Items]
Restructuring and Related Cost, Accelerated Depreciation		$ 3,700
Inventories [Member]
Ownership Interest By Project Type [Line Items]
Restructuring Reserve			$ 6,200		$ 6,200