Segment Information (Schedule Of Segment Reporting Information) (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2019	Sep. 30, 2018	Sep. 30, 2019	Sep. 30, 2018	Dec. 31, 2018
Segment Reporting Information [Line Items]
Revenues from external customers	$ 4,424,828	$ 4,770,799	$ 13,104,690	$ 13,370,462
Intersegment Revenues	0	0	0	0
Revenues	4,424,828	4,770,799	13,104,690	13,370,462
Cost of products sold (exclusive of lower of cost or market inventory valuation adjustment)	3,403,767	3,752,234	10,307,856	10,695,275
Lower of cost or market inventory valuation adjustment	34,062	17,837	(150,483)	(192,927)
Operating expenses	345,578	317,196	1,010,422	933,699
Selling, general and administrative expenses	87,626	71,130	260,977	204,469
Depreciation and amortization	127,016	108,885	375,345	323,605
Goodwill, Impairment Loss	0	0	152,712	0
Income from operations	426,779	503,517	1,147,861	1,406,341
Earnings of equity method investments	1,334	1,114	5,217	4,127
Capital expenditures	74,589	69,937	195,057	209,078
Cash, cash equivalents, and total investments in marketable securities	981,856		981,856		$ 1,154,752
Total assets	12,191,328		12,191,328		10,994,601
Long-term debt	2,425,234		2,425,234		2,411,540
Refining
Segment Reporting Information [Line Items]
Revenues from external customers	3,865,399	4,270,835	11,446,841	11,915,797
Intersegment Revenues	81,571	101,334	244,799	284,538
Revenues	3,946,970	4,372,169	11,691,640	12,200,335
Cost of products sold (exclusive of lower of cost or market inventory valuation adjustment)	3,177,167	3,572,593	9,598,539	10,179,509
Lower of cost or market inventory valuation adjustment	34,062	17,837	(150,483)	(192,927)
Operating expenses	276,869	262,010	794,081	764,415
Selling, general and administrative expenses	31,707	30,394	88,322	82,966
Depreciation and amortization	76,765	70,793	227,405	210,957
Goodwill, Impairment Loss			0
Income from operations	350,400	418,542	1,133,776	1,155,415
Earnings of equity method investments	0	0	0	0
Capital expenditures	53,506	47,088	129,167	132,050
Cash, cash equivalents, and total investments in marketable securities	21,443		21,443		7,236
Total assets	7,321,741		7,321,741		6,465,155
Long-term debt	0		0		0
Lubricants and other specialty products
Segment Reporting Information [Line Items]
Revenues from external customers	529,561	474,260	1,568,241	1,376,531
Intersegment Revenues	8,157	1,626	8,157	11,884
Revenues	537,718	475,886	1,576,398	1,388,415
Cost of products sold (exclusive of lower of cost or market inventory valuation adjustment)	397,926	359,742	1,202,296	1,040,414
Lower of cost or market inventory valuation adjustment	0	0	0	0
Operating expenses	57,974	40,288	170,655	125,101
Selling, general and administrative expenses	43,875	33,514	125,681	99,425
Depreciation and amortization	22,700	11,139	65,891	30,023
Goodwill, Impairment Loss			152,712
Income from operations	15,243	31,203	(140,837)	93,452
Earnings of equity method investments	0	0	0	0
Capital expenditures	8,697	8,094	25,887	23,138
Cash, cash equivalents, and total investments in marketable securities	170,116		170,116		80,931
Total assets	2,139,092		2,139,092		1,506,209
Long-term debt	0		0		0
HEP
Segment Reporting Information [Line Items]
Revenues from external customers	29,868	25,596	89,388	77,799
Intersegment Revenues	106,027	100,188	311,755	295,629
Revenues	135,895	125,784	401,143	373,428
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	44,924	35,995	123,045	106,731
Selling, general and administrative expenses	2,714	2,498	7,322	8,293
Depreciation and amortization	24,121	24,367	72,192	74,117
Goodwill, Impairment Loss			0
Income from operations	64,136	62,924	198,584	184,287
Earnings of equity method investments	1,334	1,114	5,217	4,127
Capital expenditures	6,076	9,541	23,828	41,111
Cash, cash equivalents, and total investments in marketable securities	7,469		7,469		3,045
Total assets	2,089,110		2,089,110		2,142,027
Long-term debt	1,431,869		1,431,869		1,418,900
Corporate, Other and Eliminations
Segment Reporting Information [Line Items]
Revenues from external customers	0	108	220	335
Intersegment Revenues	(195,755)	(203,148)	(564,711)	(592,051)
Revenues	(195,755)	(203,040)	(564,491)	(591,716)
Cost of products sold (exclusive of lower of cost or market inventory valuation adjustment)	(171,326)	(180,101)	(492,979)	(524,648)
Lower of cost or market inventory valuation adjustment	0	0	0	0
Operating expenses	(34,189)	(21,097)	(77,359)	(62,548)
Selling, general and administrative expenses	9,330	4,724	39,652	13,785
Depreciation and amortization	3,430	2,586	9,857	8,508
Goodwill, Impairment Loss			0
Income from operations	(3,000)	(9,152)	(43,662)	(26,813)
Earnings of equity method investments	0	0	0	0
Capital expenditures	6,310	$ 5,214	16,175	$ 12,779
Cash, cash equivalents, and total investments in marketable securities	782,828		782,828		1,063,540
Total assets	641,385		641,385		881,210
Long-term debt	$ 993,365		$ 993,365		$ 992,640