Consolidated Statements Of Operations - USD ($) shares in Thousands, $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2021	Sep. 30, 2020	Sep. 30, 2021	Sep. 30, 2020
Income Statement [Abstract]
Sales and other revenues	$ 4,685,059	$ 2,819,400	$ 12,766,475	$ 8,282,875
Operating costs and expenses:
Cost of products sold (exclusive of lower of cost or market inventory valuation adjustment)	3,822,858	2,377,238	10,608,892	6,647,960
Lower of cost or market inventory valuation adjustment	0	(62,849)	(318,862)	227,711
Total costs of products sold (exclusive of depreciation and amortization)	3,822,858	2,314,389	10,290,030	6,875,671
Operating expenses (exclusive of depreciation and amortization)	352,520	332,496	1,086,620	964,200
Selling, general and administrative expenses (exclusive of depreciation and amortization)	91,056	74,453	250,785	237,559
Depreciation and amortization	121,220	125,280	369,341	396,033
Long-lived asset impairment	0	0	0	436,908
Total operating costs and expenses	4,387,654	2,846,618	11,996,776	8,910,371
Income (loss) from operations	297,405	(27,218)	769,699	(627,496)
Other income (expense):
Earnings of equity method investments	3,689	1,316	8,875	5,186
Interest income	1,018	1,011	3,078	6,590
Interest expense	(26,892)	(30,589)	(94,220)	(85,923)
Gain on business interruption insurance settlement	0	81,000	0	81,000
Gain on tariff settlement	0	0	51,500	0
Gain on sales-type leases	0	0	0	33,834
Loss on early extinguishment of debt	0	0	0	(25,915)
Gain (loss) on foreign currency transactions	(3,492)	1,030	(4,226)	(918)
Gain on sale of assets and other	85,779	1,368	95,596	4,790
Other income (expense) total	60,102	55,136	60,603	18,644
Income (loss) before income taxes	357,507	27,918	830,302	(608,852)
Income tax expense (benefit):
Current	(12,784)	35,826	(10,794)	(41,221)
Deferred	67,550	(31,253)	160,738	(147,283)
Income tax expense (benefit) total	54,766	4,573	149,944	(188,504)
Net income (loss)	302,741	23,345	680,358	(420,348)
Less net income attributable to noncontrolling interest	21,954	25,746	82,504	63,353
Net income (loss) attributable to HollyFrontier stockholders	$ 280,787	$ (2,401)	$ 597,854	$ (483,701)
Earnings (loss) per share:
Basic (in USD per share)	$ 1.71	$ (0.01)	$ 3.63	$ (2.99)
Diluted (in USD per share)	$ 1.71	$ (0.01)	$ 3.63	$ (2.99)
Average number of common shares outstanding:
Basic (in shares)	162,551	162,015	162,518	161,927
Diluted (in shares)	162,551	162,015	162,518	161,927