Consolidated Statements Of Comprehensive Income - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Net income	$ 802,508	$ 326,328	$ 767,823
Other comprehensive income (loss):
Unrealized gain (loss) on marketable securities	29	(153)	73
Reclassification adjustment to net income on sale or maturity of marketable securities	9	(4)	(39)
Net unrealized gain (loss) on marketable securities	38	(157)	34
Change in fair value of cash flow hedging instruments	(5,847)	105,414	(7,614)
Reclassification adjustments to net income on settlement of cash flow hedging instruments	(47,492)	(50,682)	(14,318)
Amortization of unrealized loss attributable to discontinued cash flow hedges	1,080	1,080	1,749
Net unrealized gain (loss) on hedging instruments	(52,259)	55,812	(20,183)
Pension plan loss reclassified to net income	0	0	37,589
Gain (loss) on post-retirement healthcare plan	3,278	(7,434)	3,301
Post-retirement Healthcare Plan Gain Reclassified to Net Income	(3,299)	(4,296)	(4,040)
Gain (loss) on retirement restoration plan	80	(615)	632
Retirement restoration loss reclassified to net income	20	920	111
Net change in pension and other post-retirement benefit obligations	79	(11,425)	37,593
Other comprehensive income (loss) before income taxes	(52,142)	44,230	17,444
Income tax expense (benefit)	(20,237)	17,098	5,882
Other comprehensive income (loss)	(31,905)	27,132	11,562
Total comprehensive income	770,603	353,460	779,385
Less noncontrolling interest in comprehensive income	62,551	45,096	34,296
Comprehensive income attributable to HollyFrontier stockholders	$ 708,052	$ 308,364	$ 745,089