Consolidated Statements Of Comprehensive Income (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2010
Net income	$ 1,760,033	$ 1,059,704	$ 133,051
Other comprehensive income (loss):
Unrealized gain (loss) on available-for-sale securities	179	(530)	114
Reclassification adjustment to net income on sale or maturity of marketable securities	(415)	14	0
Net unrealized gain (loss) on available-for-sale securities	(236)	(516)	114
Unrealized gain (loss), net of reclassifications from contract settlements of hedging instruments	(191,039)	176,936	(923)
Pension plan curtailment	7,102	0	0
Change in minimum pension liability	(9,161)	(71)	(1,470)
Change in retirement medical obligation	53,450	(3,515)	(238)
Other comprehensive income (loss) before income taxes	(139,884)	172,834	(2,517)
Income tax expense (benefit)	(54,950)	66,138	(348)
Other comprehensive income (loss)	(84,934)	106,696	(2,169)
Total comprehensive income	1,675,099	1,166,400	130,882
Less noncontrolling interest in comprehensive income	34,225	39,122	27,464
Comprehensive income attributable to HollyFrontier stockholders	$ 1,640,874	$ 1,127,278	$ 103,418