Consolidated Statements Of Income (Unaudited) - USD ($) shares in Thousands, $ in Thousands	3 Months Ended
	Mar. 31, 2018	Mar. 31, 2017
Sales and other revenues	$ 4,128,427	$ 3,080,483
Operating costs and expenses:
Cost of products sold (exclusive of lower of cost or market inventory valuation adjustment)	3,347,125	2,641,176
Lower of cost or market inventory valuation adjustment	(103,838)	11,823
Costs of products sold, net	3,243,287	2,652,999
Operating expenses (exclusive of depreciation and amortization)	320,288	307,725
Selling, general and administrative expenses (exclusive of depreciation and amortization)	64,664	57,255
Depreciation and amortization	104,341	96,040
Total operating costs and expenses	3,732,580	3,114,019
Income (loss) from operations	395,847	(33,536)
Other income (expense):
Earnings (loss) of equity method investments	1,279	1,840
Interest income	2,590	819
Interest expense	(32,723)	(27,158)
Loss on early extinguishment of debt	0	(12,225)
Gain (loss) on foreign currency transactions	5,560	(9,933)
Gain on foreign currency swap contracts	0	24,545
Other, net	1,346	1,077
Other income (expense) total	(21,948)	(21,035)
Income (loss) before income taxes	373,899	(54,571)
Income tax expense (benefit):
Current	57,651	(24,316)
Deferred	27,386	7,527
Income tax expense (benefit)	85,037	(16,789)
Net income (loss)	288,862	(37,782)
Less net income attributable to noncontrolling interest	20,771	7,686
Net income (loss) attributable to HollyFrontier stockholders	$ 268,091	$ (45,468)
Earnings (loss) per share attributable to HollyFrontier stockholders:
Basic	$ 1.51	$ (0.26)
Diluted	1.50	(0.26)
Cash dividends declared per common share	$ 0.33	$ 0.33
Average number of common shares outstanding:
Basic	176,617	176,210
Diluted	177,954	176,210