Consolidated Statements Of Income (Unaudited) - USD ($) shares in Thousands, $ in Thousands	3 Months Ended
	Mar. 31, 2019	Mar. 31, 2018
Operating costs and expenses:
Cost of products sold (exclusive of lower of cost or market inventory valuation adjustment)	$ 3,199,205	$ 3,347,125
Lower of cost or market inventory valuation adjustment	(232,346)	(103,838)
Costs of products sold, net	2,966,859	3,243,287
Operating expenses (exclusive of depreciation and amortization)	331,592	320,288
Selling, general and administrative expenses (exclusive of depreciation and amortization)	88,034	64,664
Depreciation and amortization	121,421	104,341
Total operating costs and expenses	3,507,906	3,732,580
Sales and other revenues	3,897,247	4,128,427
Income from operations	389,341	395,847
Other income (expense):
Income before income taxes	363,991	373,899
Earnings of equity method investments	2,100	1,279
Interest income	6,375	2,590
Interest expense	(36,647)	(32,723)
Gain (loss) on foreign currency transactions	2,265	5,560
Other, net	557	1,346
Other income (expense) total	(25,350)	(21,948)
Income tax expense (benefit):
Current	55,284	57,651
Deferred	32,221	27,386
Income tax expense (benefit)	87,505	85,037
Net income	276,486	288,862
Less net income attributable to noncontrolling interest	23,431	20,771
Net income attributable to HollyFrontier stockholders	$ 253,055	$ 268,091
Earnings per share attributable to HollyFrontier stockholders:
Basic	$ 1.48	$ 1.51
Diluted	$ 1.47	$ 1.50
Average number of common shares outstanding:
Basic	170,851	176,617
Diluted	172,239	177,954