Segment Information (Schedule Of Segment Reporting Information) (Details) - USD ($) $ in Thousands	3 Months Ended				9 Months Ended
	Sep. 30, 2018		Sep. 30, 2017	Jun. 30, 2017	Sep. 30, 2018	Sep. 30, 2017	Dec. 31, 2017
Segment Reporting Information [Line Items]
Revenues from external customers	$ 4,770,799		$ 3,719,247		$ 13,370,462	$ 10,258,594
Intersegment Revenues	0		0		0	0
Revenues	4,770,799		3,719,247		13,370,462	10,258,594
Cost of products sold (exclusive of lower of cost or market inventory valuation adjustment)	3,752,234	[1]	2,888,549		10,695,275	8,283,183
Lower of cost or market inventory valuation adjustment	17,837		(111,128)		(192,927)	(15,323)
Operating expenses	317,196	[1]	322,277		933,699	946,264
Selling, general and administrative expenses	71,130		68,252		204,469	185,303
Depreciation and amortization	108,885		102,884		323,605	304,206
Asset Impairment Charges				$ 19,200		19,247
Income from operations	503,517		448,413		1,406,341	535,714
Earnings of equity method investments	1,114		5,072		4,127	10,965
Capital expenditures	69,937		56,067		209,078	193,117
Cash, cash equivalents, and total investments in marketable securities	1,075,677				1,075,677		$ 630,757
Total assets	11,495,126				11,495,126		10,692,154
Long-term debt	2,409,148				2,409,148		2,498,993
Refining
Segment Reporting Information [Line Items]
Revenues from external customers	4,270,835		3,291,417		11,915,797	9,033,148
Intersegment Revenues	101,334		82,705		284,538	268,208
Revenues	4,372,169		3,374,122		12,200,335	9,301,356
Cost of products sold (exclusive of lower of cost or market inventory valuation adjustment)	3,572,593		2,774,722		10,179,509	7,949,813
Lower of cost or market inventory valuation adjustment	17,837		(109,690)		(192,927)	(15,365)
Operating expenses	262,010		246,409		764,415	743,493
Selling, general and administrative expenses	30,394		26,582		82,966	71,591
Depreciation and amortization	70,793		74,070		210,957	218,934
Asset Impairment Charges						19,247
Income from operations	418,542		362,029		1,155,415	313,643
Earnings of equity method investments	0		0		0	0
Capital expenditures	47,088		30,979		132,050	130,238
Cash, cash equivalents, and total investments in marketable securities	6,915				6,915		7,488
Total assets	7,044,358				7,044,358		6,474,666
Long-term debt	0				0		0
Lubricants and other specialty products
Segment Reporting Information [Line Items]
Revenues from external customers	474,260		413,074		1,376,531	1,178,343
Intersegment Revenues	1,626		0		11,884	0
Revenues	475,886		413,074		1,388,415	1,178,343
Cost of products sold (exclusive of lower of cost or market inventory valuation adjustment)	359,742	[1]	270,279		1,040,414	818,981
Lower of cost or market inventory valuation adjustment	0		(1,438)		0	42
Operating expenses	40,288	[1]	59,726		125,101	154,795
Selling, general and administrative expenses	33,514		30,796		99,425	71,877
Depreciation and amortization	11,139		7,734		30,023	20,570
Asset Impairment Charges						0
Income from operations	31,203		45,977		93,452	112,078
Earnings of equity method investments	0		0		0	0
Capital expenditures	8,094		9,815		23,138	20,772
Cash, cash equivalents, and total investments in marketable securities	72,652				72,652		41,756
Total assets	1,498,586				1,498,586		1,610,472
Long-term debt	0				0		0
HEP
Segment Reporting Information [Line Items]
Revenues from external customers	25,596		15,227		77,799	47,826
Intersegment Revenues	100,188		95,137		295,629	277,315
Revenues	125,784		110,364		373,428	325,141
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	35,995		36,061		106,731	102,773
Selling, general and administrative expenses	2,498		3,626		8,293	8,882
Depreciation and amortization	24,367		18,601		74,117	56,515
Asset Impairment Charges						0
Income from operations	62,924		52,076		184,287	156,971
Earnings of equity method investments	1,114		5,072		4,127	10,965
Capital expenditures	9,541		10,151		41,111	30,675
Cash, cash equivalents, and total investments in marketable securities	6,375				6,375		7,776
Total assets	2,146,124				2,146,124		2,191,984
Long-term debt	1,416,748				1,416,748		1,507,308
Corporate, Other and Eliminations
Segment Reporting Information [Line Items]
Revenues from external customers	108		(471)		335	(723)
Intersegment Revenues	(203,148)		(177,842)		(592,051)	(545,523)
Revenues	(203,040)		(178,313)		(591,716)	(546,246)
Cost of products sold (exclusive of lower of cost or market inventory valuation adjustment)	(180,101)		(156,452)		(524,648)	(485,611)
Lower of cost or market inventory valuation adjustment	0		0		0	0
Operating expenses	(21,097)		(19,919)		(62,548)	(54,797)
Selling, general and administrative expenses	4,724		7,248		13,785	32,953
Depreciation and amortization	2,586		2,479		8,508	8,187
Asset Impairment Charges						0
Income from operations	(9,152)		(11,669)		(26,813)	(46,978)
Earnings of equity method investments	0		0		0	0
Capital expenditures	5,214		$ 5,122		12,779	$ 11,432
Cash, cash equivalents, and total investments in marketable securities	989,735				989,735		573,737
Total assets	806,058				806,058		415,032
Long-term debt	$ 992,400				$ 992,400		$ 991,685

[1] {F|ahBzfndlYmZpbGluZ3MtaHJkcmoLEgZYTUxEb2MiXlhCUkxEb2NHZW5JbmZvOjMwMGM4ZWZhNDg2YzRkYTA4MTZhNDdjYWM3MTJjYzkzfFRleHRTZWxlY3Rpb246NTIwMzc4RTM4MTJERkJGNDNCRDM1NEI4OUI5QTNENUQM}