Segment Information (Schedule Of Segment Reporting Information) (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2019	Jun. 30, 2018	Jun. 30, 2019	Jun. 30, 2018	Dec. 31, 2018
Segment Reporting Information [Line Items]
Revenues from external customers	$ 4,782,615	$ 4,471,236	$ 8,679,862	$ 8,599,663
Intersegment Revenues	0	0	0	0
Revenues	4,782,615	4,471,236	8,679,862	8,599,663
Cost of products sold (exclusive of lower of cost or market inventory valuation adjustment)	3,704,884	3,595,916	6,904,089	6,943,041
Lower of cost or market inventory valuation adjustment	47,801	(106,926)	(184,545)	(210,764)
Operating expenses	333,252	296,215	664,844	616,503
Selling, general and administrative expenses	85,317	68,675	173,351	133,339
Depreciation and amortization	126,908	110,379	248,329	214,720
Goodwill, Impairment Loss	152,712	0	152,712	0
Income from operations	331,741	506,977	721,082	902,824
Earnings of equity method investments	1,783	1,734	3,883	3,013
Capital expenditures	56,734	79,937	120,469	149,477
Cash, cash equivalents, and total investments in marketable securities	914,644		914,644		$ 1,154,752
Total assets	12,104,491		12,104,491		10,994,601
Long-term debt	2,430,832		2,430,832		2,411,540
Refining
Segment Reporting Information [Line Items]
Revenues from external customers	4,208,776	3,987,115	7,581,442	7,645,262
Intersegment Revenues	88,484	91,866	163,228	182,904
Revenues	4,297,260	4,078,981	7,744,670	7,828,166
Cost of products sold (exclusive of lower of cost or market inventory valuation adjustment)	3,458,832	3,394,853	6,421,372	6,606,557
Lower of cost or market inventory valuation adjustment	47,801	(106,926)	(184,545)	(210,764)
Operating expenses	252,715	262,558	517,212	502,405
Selling, general and administrative expenses	29,638	26,201	56,615	52,572
Depreciation and amortization	76,225	72,989	150,640	140,164
Goodwill, Impairment Loss	0		0
Income from operations	432,049	429,306	783,376	737,232
Earnings of equity method investments	0	0	0	0
Capital expenditures	33,899	42,188	75,662	84,962
Cash, cash equivalents, and total investments in marketable securities	7,213		7,213		7,236
Total assets	7,075,770		7,075,770		6,465,155
Long-term debt	0		0		0
Lubricants and other specialty products
Segment Reporting Information [Line Items]
Revenues from external customers	545,346	459,405	1,038,680	902,271
Intersegment Revenues	0	8,284	0	10,258
Revenues	545,346	467,689	1,038,680	912,529
Cost of products sold (exclusive of lower of cost or market inventory valuation adjustment)	415,353	373,141	804,370	680,672
Lower of cost or market inventory valuation adjustment	0	0	0	0
Operating expenses	59,122	19,905	112,681	84,813
Selling, general and administrative expenses	42,087	35,257	81,806	65,911
Depreciation and amortization	23,020	10,020	43,191	18,884
Goodwill, Impairment Loss	152,712		152,712
Income from operations	(146,948)	29,366	(156,080)	62,249
Earnings of equity method investments	0	0	0	0
Capital expenditures	9,331	16,842	17,190	25,380
Cash, cash equivalents, and total investments in marketable securities	170,593		170,593		80,931
Total assets	2,247,858		2,247,858		1,506,209
Long-term debt	0		0		0
HEP
Segment Reporting Information [Line Items]
Revenues from external customers	28,382	24,746	59,520	52,203
Intersegment Revenues	102,369	94,014	205,728	195,441
Revenues	130,751	118,760	265,248	247,644
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	40,608	34,533	78,121	70,736
Selling, general and administrative expenses	1,988	2,673	4,608	5,795
Depreciation and amortization	24,241	24,609	48,071	49,750
Goodwill, Impairment Loss	0		0
Income from operations	63,914	56,945	134,448	121,363
Earnings of equity method investments	1,783	1,734	3,883	3,013
Capital expenditures	7,034	18,957	17,752	31,570
Cash, cash equivalents, and total investments in marketable securities	6,941		6,941		3,045
Total assets	2,188,139		2,188,139		2,142,027
Long-term debt	1,437,710		1,437,710		1,418,900
Corporate, Other and Eliminations
Segment Reporting Information [Line Items]
Revenues from external customers	111	(30)	220	(73)
Intersegment Revenues	(190,853)	(194,164)	(368,956)	(388,603)
Revenues	(190,742)	(194,194)	(368,736)	(388,676)
Cost of products sold (exclusive of lower of cost or market inventory valuation adjustment)	(169,301)	(172,078)	(321,653)	(344,188)
Lower of cost or market inventory valuation adjustment	0	0	0	0
Operating expenses	(19,193)	(20,781)	(43,170)	(41,451)
Selling, general and administrative expenses	11,604	4,544	30,322	9,061
Depreciation and amortization	3,422	2,761	6,427	5,922
Goodwill, Impairment Loss	0		0
Income from operations	(17,274)	(8,640)	(40,662)	(18,020)
Earnings of equity method investments	0	0	0	0
Capital expenditures	6,470	$ 1,950	9,865	$ 7,565
Cash, cash equivalents, and total investments in marketable securities	729,897		729,897		1,063,540
Total assets	592,724		592,724		881,210
Long-term debt	$ 993,122		$ 993,122		$ 992,640