Segment Information (Schedule Of Segment Reporting Information) (Details) - USD ($) $ in Thousands		3 Months Ended			9 Months Ended
	Jul. 01, 2020	Sep. 30, 2020	Jun. 30, 2020	Sep. 30, 2019	Sep. 30, 2020	Sep. 30, 2019	Dec. 31, 2019
Segment Reporting Information [Line Items]
Revenues from external customers		$ 2,819,400		$ 4,424,828	$ 8,282,875	$ 13,104,690
Intersegment Revenues		0		0	0	0
Revenues		2,819,400		4,424,828	8,282,875	13,104,690
Cost of products sold (exclusive of lower of cost or market inventory valuation adjustment)		2,377,238		3,403,767	6,647,960	10,307,856
Lower of cost or market inventory valuation adjustment		(62,849)		34,062	227,711	(150,483)
Operating expenses		332,496		345,578	964,200	1,010,422
Selling, general and administrative expenses		74,453		87,626	237,559	260,977
Depreciation and amortization		125,280		127,016	396,033	375,345
Long-lived asset impairment		0	$ 232,200		436,908
Goodwill impairment	$ 0				436,908	152,712
Income from operations		(27,218)		426,779	(627,496)	1,147,861
Earnings of equity method investments		1,316		1,334	5,186	5,217
Capital expenditures		83,272		74,589	213,008	195,057
Cash and cash equivalents		1,524,888			1,524,888		$ 885,162
Total assets		11,579,741			11,579,741		12,164,841
Long-term Debt		3,176,349			3,176,349		2,455,640
Refining
Segment Reporting Information [Line Items]
Revenues from external customers		2,339,782		3,865,399	6,880,444	11,446,841
Intersegment Revenues		56,331		81,571	178,039	244,799
Revenues		2,396,113		3,946,970	7,058,483	11,691,640
Cost of products sold (exclusive of lower of cost or market inventory valuation adjustment)		2,211,342		3,177,167	6,113,530	9,598,539
Lower of cost or market inventory valuation adjustment		(62,849)		34,062	227,711	(150,483)
Operating expenses		256,079		276,869	754,612	794,081
Selling, general and administrative expenses		30,866		31,707	94,677	88,322
Depreciation and amortization		79,146		76,765	251,019	227,405
Long-lived asset impairment					215,242
Goodwill impairment						0
Income from operations		(118,471)		350,400	(598,308)	1,133,776
Earnings of equity method investments		0		0	0	0
Capital expenditures		41,740		53,506	106,856	129,167
Cash and cash equivalents		6,085			6,085		9,755
Total assets		6,197,301			6,197,301		7,189,094
Long-term Debt		0			0		0
Lubricants and other specialty products
Segment Reporting Information [Line Items]
Revenues from external customers		452,878		529,561	1,330,021	1,568,241
Intersegment Revenues		2,164		8,157	8,911	8,157
Revenues		455,042		537,718	1,338,932	1,576,398
Cost of products sold (exclusive of lower of cost or market inventory valuation adjustment)		302,703		397,926	952,430	1,202,296
Lower of cost or market inventory valuation adjustment		0		0	0	0
Operating expenses		54,488		57,974	156,459	170,655
Selling, general and administrative expenses		36,773		43,875	121,654	125,681
Depreciation and amortization		17,432		22,700	59,260	65,891
Long-lived asset impairment					204,708
Goodwill impairment						152,712
Income from operations		43,646		15,243	(155,579)	(140,837)
Earnings of equity method investments		0		0	0	0
Capital expenditures		6,995		8,697	20,387	25,887
Cash and cash equivalents		211,646			211,646		169,277
Total assets		1,933,482			1,933,482		2,223,418
Long-term Debt		0			0		0
HEP
Segment Reporting Information [Line Items]
Depreciation and amortization						72,192
Long-lived asset impairment					16,958
Corporate, Other and Eliminations
Segment Reporting Information [Line Items]
Revenues from external customers		0		0	0	220
Intersegment Revenues		(159,486)		(195,755)	(484,932)	(564,711)
Revenues		(159,486)		(195,755)	(484,932)	(564,491)
Cost of products sold (exclusive of lower of cost or market inventory valuation adjustment)		(136,807)		(171,326)	(418,000)	(492,979)
Lower of cost or market inventory valuation adjustment		0		0	0	0
Operating expenses		(18,074)		(34,189)	(56,592)	(77,359)
Selling, general and administrative expenses		4,482		9,330	13,659	39,652
Depreciation and amortization		4,593		3,430	13,659	9,857
Long-lived asset impairment					0
Goodwill impairment						0
Income from operations		(13,680)		(3,000)	(37,658)	(43,662)
Earnings of equity method investments		0		0	0	0
Capital expenditures		26,635		6,310	47,123	16,175
Cash and cash equivalents		1,289,066			1,289,066		692,843
Total assets		1,255,188			1,255,188		546,892
Long-term Debt		1,736,475			1,736,475		993,609
HEP
Segment Reporting Information [Line Items]
Revenues from external customers		26,740		29,868	72,410	89,388
Intersegment Revenues		100,991		106,027	297,982	311,755
Revenues		127,731		135,895	370,392	401,143
Cost of products sold (exclusive of lower of cost or market inventory valuation adjustment)		0		0	0	0
Lower of cost or market inventory valuation adjustment		0		0	0	0
Operating expenses		40,003		44,924	109,721	123,045
Selling, general and administrative expenses		2,332		2,714	7,569	7,322
Depreciation and amortization		24,109		24,121	72,095
Goodwill impairment						0
Income from operations		61,287		64,136	164,049	198,584
Earnings of equity method investments		1,316		1,334	5,186	5,217
Capital expenditures		7,902		$ 6,076	38,642	$ 23,828
Cash and cash equivalents		18,091			18,091		13,287
Total assets		2,193,770			2,193,770		2,205,437
Long-term Debt		$ 1,439,874			$ 1,439,874		$ 1,462,031