Consolidated Statements Of Income (Unaudited) - USD ($) shares in Thousands, $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2020	Jun. 30, 2019	Jun. 30, 2020	Jun. 30, 2019
Condensed Income Statements, Captions [Line Items]
Sales and other revenues	$ 2,062,930	$ 4,782,615	$ 5,463,475	$ 8,679,862
Operating costs and expenses:
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)
Costs of products sold, net	1,307,092	3,752,685	4,561,282	6,719,544
Operating expenses (exclusive of depreciation and amortization)	303,359	333,252	631,704	664,844
Selling, general and administrative expenses (exclusive of depreciation and amortization)	75,369	85,317	163,106	173,351
Depreciation and amortization	130,178	126,908	270,753	248,329
Long-lived Asset and Goodwill, Impairments	436,908	152,712	436,908	152,712
Total operating costs and expenses	2,252,906	4,450,874	6,063,753	7,958,780
Income from operations	(189,976)	331,741	(600,278)	721,082
Other income (expense):
Earnings of equity method investments	2,156	1,783	3,870	3,883
Interest income	1,506	4,588	5,579	10,963
Interest expense	(32,695)	(34,264)	(55,334)	(70,911)
Gain on sales-type leases	33,834	0	33,834	0
Loss on early extinguishment of debt	0	0	(25,915)	0
Gain (loss) on foreign currency transactions	2,285	2,213	(1,948)	4,478
Other, net	1,572	92	3,422	649
Other income (expense) total	8,658	(25,588)	(36,492)	(50,938)
Income before income taxes	(181,318)	306,153	(636,770)	670,144
Income tax expense (benefit):
Current	(65,607)	63,364	(77,047)	118,648
Deferred income taxes	34,696	25,972	(116,030)	58,193
Income tax expense (benefit)	(30,911)	89,336	(193,077)	176,841
Net income	(150,407)	216,817	(443,693)	493,303
Less net income attributable to noncontrolling interest	26,270	19,902	37,607	43,333
Net income attributable to HollyFrontier stockholders	$ (176,677)	$ 196,915	$ (481,300)	$ 449,970
Earnings per share attributable to HollyFrontier stockholders:
Basic	$ (1.09)	$ 1.16	$ (2.97)	$ 2.64
Diluted	$ (1.09)	$ 1.15	$ (2.97)	$ 2.62
Average number of common shares outstanding:
Basic	161,889	169,356	161,882	170,100
Diluted	161,889	170,547	161,882	171,264