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Percentage of voting equity interests acquired at the acquisition date in the business combination.

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Description of Business and Presentation of Financial Statements (Details) $ in Thousands			3 Months Ended				9 Months Ended
	Aug. 01, 2018 USD ($)	Feb. 01, 2017 USD ($)	Sep. 30, 2018 USD ($)	Mar. 31, 2018 USD ($)	Sep. 30, 2017 USD ($)	Jun. 30, 2017 USD ($)	Sep. 30, 2018 USD ($) Petroleum_Refineries mi	Sep. 30, 2017 USD ($)	Dec. 31, 2017 USD ($)	Oct. 31, 2017 USD ($)
Ownership Interest By Project Type [Line Items]
Effective Income Tax Rate Under The Tax Cuts and Jobs Act of 2017									21.00%
Tax Cuts And Jobs Act Of 2017, Reclassification From AOCI To Retained Earnings			$ 3,100	$ 3,600
Tangible Asset Impairment Charges						$ 4,000
Number of refineries located in Tulsa, Oklahoma \| Petroleum_Refineries							2
Refinery Distance From Main City [Miles] \| mi							65
Business Acquisition, Percentage of Voting Interests Acquired			100.00%				100.00%
Payments to Acquire Businesses, Gross	$ 54,100	$ 862,100
Assets Acquired - Current Assets	12,600									$ 5,200
Assets Acquired - Property, Plant, and Equipment	21,300									$ 275,000
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Finite-Lived Intangibles	9,700
Business Acquisition, Goodwill, Expected Tax Deductible Amount	11,200
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Current Liabilities, Accounts Payable	$ 700
Purchase Price Canadian Dollars		$ 1,125,000
Allowance for doubtful accounts reserve			$ 3,600				$ 3,600		$ 3,600
Goodwill			$ 2,255,541				2,255,541		2,244,744
Other Asset Impairment Charges						23,200
Proceeds from inventory repurchase agreements							38,400	$ 36,700
Payments under inventory repurchase agreements							(39,300)	(37,900)
Cash Flow Hedge Ineffectiveness Adjustment			54
Asset Impairment Charges						$ 19,200		19,247
Goodwill and Intangible Asset Impairment			$ 0		$ 0		$ 0	19,247
Unrecognized Tax Benefits, Period Increase (Decrease)			6,100
HEP
Ownership Interest By Project Type [Line Items]
Percentage of ownership in variable interest entity							57.00%
Goodwill			314,229				$ 314,229		$ 310,610
Refining
Ownership Interest By Project Type [Line Items]
Goodwill			1,700,000				1,700,000
Asset Impairment Charges								19,247
Lubricants and other specialty products
Ownership Interest By Project Type [Line Items]
Goodwill			200,000				200,000
Asset Impairment Charges								0
HEP
Ownership Interest By Project Type [Line Items]
Goodwill			$ 300,000				$ 300,000
Asset Impairment Charges								$ 0