Segment Information (Schedule Of Segment Reporting Information) (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2020	Jun. 30, 2019	Jun. 30, 2020	Jun. 30, 2019	Dec. 31, 2019
Segment Reporting Information [Line Items]
Revenues from external customers	$ 2,062,930	$ 4,782,615	$ 5,463,475	$ 8,679,862
Intersegment Revenues	0	0	0	0
Revenues	2,062,930	4,782,615	5,463,475	8,679,862
Cost of products sold (exclusive of lower of cost or market inventory valuation adjustment)	1,576,996	3,704,884	4,270,722	6,904,089
Lower of cost or market inventory valuation adjustment	(269,904)	47,801	290,560	(184,545)
Operating expenses	303,359	333,252	631,704	664,844
Selling, general and administrative expenses	75,369	85,317	163,106	173,351
Depreciation and amortization	130,178	126,908	270,753	248,329
Impairment of Long-Lived Assets Held-for-use	204,700		436,908
Long-lived Asset and Goodwill, Impairments	436,908	152,712	436,908	152,712
Income from operations	(189,976)	331,741	(600,278)	721,082
Earnings of equity method investments	2,156	1,783	3,870	3,883
Capital expenditures	45,987	56,734	129,736	120,469
Cash, cash equivalents, and total investments in marketable securities	902,509		902,509		$ 885,162
Total assets	11,063,820		11,063,820		12,164,841
Long-term debt	2,480,746		2,480,746		2,455,640
Refining
Segment Reporting Information [Line Items]
Revenues from external customers	1,690,042	4,208,776	4,540,662	7,581,442
Intersegment Revenues	37,462	88,484	121,708	163,228
Revenues	1,727,504	4,297,260	4,662,370	7,744,670
Cost of products sold (exclusive of lower of cost or market inventory valuation adjustment)	1,433,437	3,458,832	3,902,188	6,421,372
Lower of cost or market inventory valuation adjustment	(269,904)	47,801	290,560	(184,545)
Operating expenses	239,359	252,715	498,533	517,212
Selling, general and administrative expenses	32,811	29,638	63,811	56,615
Depreciation and amortization	81,694	76,225	171,873	150,640
Impairment of Long-Lived Assets Held-for-use			215,242
Long-lived Asset and Goodwill, Impairments	215,242	0		0
Income from operations	(5,135)	432,049	(479,837)	783,376
Earnings of equity method investments	0	0	0	0
Capital expenditures	12,102	33,899	65,116	75,662
Cash, cash equivalents, and total investments in marketable securities	15,652		15,652		9,755
Total assets	6,327,809		6,327,809		7,189,094
Long-term debt	0		0		0
Lubricants and other specialty products
Segment Reporting Information [Line Items]
Revenues from external customers	353,644	545,346	877,143	1,038,680
Intersegment Revenues	3,643	0	6,747	0
Revenues	357,287	545,346	883,890	1,038,680
Cost of products sold (exclusive of lower of cost or market inventory valuation adjustment)	258,347	415,353	649,727	804,370
Lower of cost or market inventory valuation adjustment	0	0	0	0
Operating expenses	47,840	59,122	101,971	112,681
Selling, general and administrative expenses	35,919	42,087	84,881	81,806
Depreciation and amortization	19,779	23,020	41,828	43,191
Impairment of Long-Lived Assets Held-for-use			204,708
Long-lived Asset and Goodwill, Impairments	204,708	152,712		152,712
Income from operations	(209,306)	(146,948)	(199,225)	(156,080)
Earnings of equity method investments	0	0	0	0
Capital expenditures	4,311	9,331	13,392	17,190
Cash, cash equivalents, and total investments in marketable securities	189,571		189,571		169,277
Total assets	1,910,431		1,910,431		2,223,418
Long-term debt	0		0		0
HEP
Segment Reporting Information [Line Items]
Depreciation and amortization				48,071
Impairment of Long-Lived Assets Held-for-use			16,958
Long-lived Asset and Goodwill, Impairments	16,958	0
Corporate, Other and Eliminations
Segment Reporting Information [Line Items]
Revenues from external customers	0	111	0	220
Intersegment Revenues	(136,668)	(190,853)	(325,446)	(368,956)
Revenues	(136,668)	(190,742)	(325,446)	(368,736)
Cost of products sold (exclusive of lower of cost or market inventory valuation adjustment)	(114,788)	(169,301)	(281,193)	(321,653)
Lower of cost or market inventory valuation adjustment	0	0	0	0
Operating expenses	(18,577)	(19,193)	(38,518)	(43,170)
Selling, general and administrative expenses	4,104	11,604	9,177	30,322
Depreciation and amortization	4,697	3,422	9,066	6,427
Impairment of Long-Lived Assets Held-for-use			0
Long-lived Asset and Goodwill, Impairments	0	0		0
Income from operations	(12,104)	(17,274)	(23,978)	(40,662)
Earnings of equity method investments	0	0	0	0
Capital expenditures	17,776	6,470	20,488	9,865
Cash, cash equivalents, and total investments in marketable securities	678,373		678,373		692,843
Total assets	610,527		610,527		546,892
Long-term debt	994,098		994,098		993,609
HEP
Segment Reporting Information [Line Items]
Revenues from external customers	19,244	28,382	45,670	59,520
Intersegment Revenues	95,563	102,369	196,991	205,728
Revenues	114,807	130,751	242,661	265,248
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	34,737	40,608	69,718	78,121
Selling, general and administrative expenses	2,535	1,988	5,237	4,608
Depreciation and amortization	24,008	24,241	47,986
Long-lived Asset and Goodwill, Impairments				0
Income from operations	36,569	63,914	102,762	134,448
Earnings of equity method investments	2,156	1,783	3,870	3,883
Capital expenditures	11,798	$ 7,034	30,740	$ 17,752
Cash, cash equivalents, and total investments in marketable securities	18,913		18,913		13,287
Total assets	2,215,053		2,215,053		2,205,437
Long-term debt	$ 1,486,648		$ 1,486,648		$ 1,462,031