Consolidated Statements Of Comprehensive Income (Unaudited) (USD $) In Thousands, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 30, 2013	Sep. 30, 2012	Sep. 30, 2013	Sep. 30, 2012
Statement of Comprehensive Income [Abstract]
Net income	$ 88,909	$ 610,650	$ 698,029	$ 1,360,040
Other comprehensive income (loss)
Unrealized gain (loss) on available-for-sale securities	44	(2)	18	189
Reclassification adjustments to net income on sale or maturity of marketable securities	(10)	15	(13)	(392)
Net unrealized gain (loss) on available-for-sale securities	34	13	5	(203)
Change in Fair Value of Cash Flow Hedge	25,423	(146,437)	42,739	(261,893)
Reclassification adjustments to net income on settlement of cash flow hedging instruments	(21,478)	33,830	153	21,925
Amortization of unrealized loss attributable to discontinued cash flow hedges	270	1,274	1,479	3,821
Net unrealized gain (loss) before income taxes	4,215	(111,333)	44,371	(236,147)
Settlement of pension plan obligations	0	0	28,986	0
Actuarial loss on post-retirement healthcare plan reclassified to net income upon partial plan settlement	0	0	1,726	0
Other Comprehensive Income (Loss), Pension Curtailment Adjustment	0	0	0	7,102
Other comprehensive income (loss) before income taxes	4,249	(111,320)	75,088	(229,248)
Income tax expense (benefit)	(1,946)	43,353	(28,421)	89,383
Other comprehensive income (loss)	2,303	(67,967)	46,667	(139,865)
Total comprehensive income	91,212	542,683	744,696	1,220,175
Less noncontrolling interest in comprehensive income	5,954	10,406	27,156	25,001
Comprehensive income attributable to HollyFrontier stockholders	$ 85,258	$ 532,277	$ 717,540	$ 1,195,174