Other Comprehensive Income (Loss) (Accumulated Other Comprehensive Loss In Equity) (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 31, 2014	Mar. 31, 2013
Marketable securities	$ 1	$ 3
Marketable securities - income tax	0	1
Gain on Sale of Marketable Securities, Net of Tax	1	2
Gain (Loss) on Hedging Instruments, Net, Pretax	4,952	(28,643)
Gain (Loss) on Hedging Instruments, Income Tax	2,043	(10,823)
Gain (Loss) on Hedging Instruments, Net	2,909	(17,820)
Gain (Loss) on Hedging Instruments - Noncontrolling Interest	326	820
Gain (Loss) on Hedging Instruments - After Tax and NC Interests	3,235	(17,000)
Net change in post-retirement benefit obligations	89	(1,726)
Net Change in Post-retirement Benefit Obligations, Income Tax	35	(671)
Net change in Post-retirement Benefit Obligations, After Tax	54	(1,055)
Other Comprehensive Income (Loss), Reclassifications to Income, Net of Tax	3,236	(18,053)
Cost of Sales [Member]
Net change in post-retirement benefit obligations		84
Operating Expense [Member]
Net change in post-retirement benefit obligations		1,549
General and Administrative Expense [Member]
Net change in post-retirement benefit obligations		93
HEP [Member]
Gain (Loss) on Hedging Instruments, Net, Pretax	(538)	(1,353)
Commodity Contract [Member] | Sales and other revenues [Member]
Gain (Loss) on Hedging Instruments, Net, Pretax	(25,331)	(19,185)
Commodity Contract [Member] | Cost of Sales [Member]
Gain (Loss) on Hedging Instruments, Net, Pretax	29,317	(6,532)
Commodity Contract [Member] | Operating Expense [Member]
Gain (Loss) on Hedging Instruments, Net, Pretax	1,504	(1,573)
HEP Interest Rate Swap [Member] | HEP [Member]
Gain (Loss) on Hedging Instruments, Net, Pretax	$ (538)	$ (1,353)