Consolidated Statements Of Comprehensive Income (Unaudited) (USD $) In Thousands, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 30, 2014	Jun. 30, 2013	Jun. 30, 2014	Jun. 30, 2013
Statement of Comprehensive Income [Abstract]
Net income	$ 185,153	$ 265,749	$ 349,115	$ 609,120
Other comprehensive income (loss)
Unrealized gain (loss) on marketable securities	25	(39)	37	(26)
Reclassification adjustments to net income on sale or maturity of marketable securities	0	(6)	(1)	(3)
Net unrealized gain (loss) on marketable securities	25	(45)	36	(29)
Change in fair value of cash flow hedging instruments	46,689	27,661	138,724	17,315
Reclassification adjustments to net income on settlement of cash flow hedging instruments	(12,644)	(6,073)	(17,866)	21,631
Amortization of unrealized loss attributable to discontinued cash flow hedges	270	270	540	1,209
Net unrealized gain on hedging instruments	34,315	21,858	121,398	40,155
Pension plan loss reclassified to net income	0	28,986	0	28,986
Loss on post-retirement healthcare plan	0	0	(89)	0
Post-retirement healthcare plan loss reclassified to net income	0	0	0	1,726
Net change in post-retirement benefit obligation	0	28,986	(89)	30,712
Other comprehensive income before income taxes	34,340	50,799	121,345	70,838
Income tax expense	13,417	18,986	47,122	26,474
Other comprehensive income	20,923	31,813	74,223	44,364
Total comprehensive income	206,076	297,562	423,338	653,484
Less noncontrolling interest in comprehensive income	8,271	10,708	20,230	21,202
Comprehensive income attributable to HollyFrontier stockholders	$ 197,805	$ 286,854	$ 403,108	$ 632,282