Description of Business and Presentation of Financial Statements (Details) $ in Thousands				3 Months Ended			9 Months Ended
	Jul. 01, 2020 USD ($)	May 31, 2020 USD ($)	Feb. 01, 2019 USD ($)	Sep. 30, 2020 USD ($)	Jun. 30, 2020 USD ($)	Sep. 30, 2019 USD ($)	Sep. 30, 2020 USD ($) Petroleum_Refineries mi	Sep. 30, 2019 USD ($)	Jan. 01, 2020 USD ($)	Dec. 31, 2019 USD ($)
Ownership Interest By Project Type [Line Items]
Allowance for Doubtful Accounts, Premiums and Other Receivables				$ 1,800			$ 1,800		$ 3,200
Income Tax Expense (Benefit)				$ 4,573		$ 103,021	$ (188,504)	$ 279,862
Effective Income Tax Rate Reconciliation, Percent							31.00%	26.10%
Number of refineries located in Tulsa, Oklahoma | Petroleum_Refineries							2
Refinery Distance From Main City [Miles] | mi							65
Restructuring and Related Cost, Number of Positions Eliminated, Inception to Date				2,900,000			2,900,000
Restructuring Reserve, Current				$ 3,700			$ 3,700
Impairment of Long-Lived Assets Held-for-use				0	$ 232,200		436,908
Allowance for doubtful accounts reserve				3,100			3,100			$ 4,500
Goodwill				2,374,930			2,374,930			2,373,907
Proceeds from inventory repurchase agreements							32,700	$ 13,200
Payments under inventory repurchase agreements							(34,400)	(12,500)
Business Combination, Consideration Transferred			$ 701,600				2,438	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				100		3,900	2,000	20,100
Goodwill impairment	$ 0						436,908	152,712
Restructuring Costs				2,400			3,500
Payments for Removal Costs				12,300
Long-lived asset and goodwill impairments				0		$ 0	436,908	152,712
Cheyenne Refinery [Member]
Ownership Interest By Project Type [Line Items]
Impairment of Long-Lived Assets Held-for-use				232,200
PCLI [Member]
Ownership Interest By Project Type [Line Items]
Impairment of Long-Lived Assets Held-for-use				204,700
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
Goodwill impairment								0
Lubricants and other specialty products - acquisition
Ownership Interest By Project Type [Line Items]
Goodwill				328,600			328,600
HEP
Ownership Interest By Project Type [Line Items]
Impairment of Long-Lived Assets Held-for-use							16,958
Goodwill				312,900			$ 312,900
HEP
Ownership Interest By Project Type [Line Items]
Percentage of ownership in variable interest entity							57.00%
Goodwill				$ 312,873			$ 312,873			$ 312,873
Goodwill impairment								$ 0
Business Combination Acquiree PCLI [Member]
Ownership Interest By Project Type [Line Items]
Goodwill impairment		$ 0
Minimum [Member]
Ownership Interest By Project Type [Line Items]
Reporting Unit, Percentage of Fair Value in Excess of Carrying Amount				10.00%			10.00%
Maximum [Member]
Ownership Interest By Project Type [Line Items]
Reporting Unit, Percentage of Fair Value in Excess of Carrying Amount				229.00%			229.00%
Inventories [Member]
Ownership Interest By Project Type [Line Items]
Restructuring Reserve				$ 9,000			$ 9,000