Goodwill and Long-lived Asset Impairment (Schedule Of Changes By Segment To The Carrying Amount Of Goodwill) (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2016	Aug. 01, 2018
Goodwill [Line Items]
Impairment of Long-Lived Assets Held-for-use		$ 19,247
Goodwill, Gross	$ 2,555,753	2,554,062
Goodwill	2,246,435	2,244,744
Goodwill, Impaired, Accumulated Impairment Loss	(309,318)	(309,318)
Asset Impairment Charges		23,200
Long-lived asset impairment charges			$ 344,800
Amortization of Intangible Assets	16,600	9,100	3,100
Goodwill, Impairment Loss			$ (309,300)
Refining Segment
Goodwill [Line Items]
Impairment of Long-Lived Assets Held-for-use		19,247
Goodwill, Gross	2,042,790	2,042,790
Goodwill	1,733,472	1,733,472
Goodwill, Impaired, Accumulated Impairment Loss	(309,318)	(309,318)
Lubricants and Specialty Products
Goodwill [Line Items]
Impairment of Long-Lived Assets Held-for-use		0
Goodwill, Gross	198,734	200,662
Goodwill		200,662		$ 10,791
Goodwill, Foreign Currency Translation Gain (Loss)	(12,719)
Goodwill, Impaired, Accumulated Impairment Loss	0	0
HEP
Goodwill [Line Items]
Impairment of Long-Lived Assets Held-for-use		0
Goodwill, Gross	314,229	310,610
Goodwill	3,619	310,610
Goodwill, Impaired, Accumulated Impairment Loss	0	0
Business Combination Acquiree [Member]
Goodwill [Line Items]
Goodwill	$ 14,410
Property, Plant and Equipment [Member]
Goodwill [Line Items]
Asset Impairment Charges		$ 4,000