Other Comprehensive Income (Loss) (Accumulated Other Comprehensive Loss In Equity) (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 30, 2014	Sep. 30, 2013	Sep. 30, 2014	Sep. 30, 2013
Marketable securities	$ 12	$ 10	$ 13	$ 13
Marketable securities - income tax	5	4	5	5
Gain on Sale of Marketable Securities, Net of Tax	7	6	8	8
Gain (Loss) on Hedging Instruments, Net, Pretax	13,574	21,208	30,900	(1,632)
Gain (Loss) on Sale of Derivatives, Income Tax	5,384	8,375	12,345	(69)
Gain (Loss) on Hedging Instruments, Net	8,190	12,833	18,555	(1,563)
Gain (Loss) on Hedging Instruments - Noncontrolling Interest	337	321	998	1,453
Gain (Loss) on Hedging Instruments - After Tax and NC Interests	8,527	13,154	19,553	(110)
Other Comprehensive Income (Loss), Finalization of Pension and Other Postretirement Benefit Plan Valuation, before Tax	0	0	0	(28,986)
Other Comprehensive Income (Loss), Finalization of Pension and Other Postretirement Benefit Plan Valuation, Tax				(11,275)
Other Comprehensive Income (Loss), Finalization of Pension and Other Postretirement Benefit Plan Valuation, Net of Tax				(17,711)
Other Comprehensive Income Loss Post-retirement Healthcare Reclassified Before Tax				(1,726)
Other Post-retirement Healthcare Obligation Reclassified, Tax				(671)
Other Comprehensive Income (Loss) Post-retirement Benefits Reclassified, Net of Tax				(1,055)
Retirement Restoration Plan Loss Reclassified to Net Income	(422)	0	(422)	0
Other Comprehensive Income (Loss) Retirement Restoration Plan,Tax	(163)		(163)
Other Comprehensive Income (Loss) Retirement Restoration Plan Gain (Loss) During Period, Net of Tax	(259)		(259)
Other Comprehensive Income (Loss), Reclassifications to Income, Net of Tax	8,275	13,160	19,302	(18,868)
Cost of Sales [Member]
Other Comprehensive Income (Loss), Finalization of Pension and Other Postretirement Benefit Plan Valuation, before Tax				(2,460)
Other Comprehensive Income Loss Post-retirement Healthcare Reclassified Before Tax				(84)
Operating Expense [Member]
Other Comprehensive Income (Loss), Finalization of Pension and Other Postretirement Benefit Plan Valuation, before Tax				(23,260)
Other Comprehensive Income Loss Post-retirement Healthcare Reclassified Before Tax				(1,549)
General and Administrative Expense [Member]
Other Comprehensive Income (Loss), Finalization of Pension and Other Postretirement Benefit Plan Valuation, before Tax				(3,266)
Other Comprehensive Income Loss Post-retirement Healthcare Reclassified Before Tax				(93)
HEP [Member]
Gain (Loss) on Hedging Instruments, Net, Pretax	(556)	(529)	(1,647)	(2,398)
Commodity Contract [Member] | Sales and other revenues [Member]
Gain (Loss) on Hedging Instruments, Net, Pretax	(6,202)	(10,138)	(80,475)	(25,454)
Commodity Contract [Member] | Cost of Sales [Member]
Gain (Loss) on Hedging Instruments, Net, Pretax	20,776	32,874	111,217	28,271
Commodity Contract [Member] | Operating Expense [Member]
Gain (Loss) on Hedging Instruments, Net, Pretax	(444)	(999)	1,805	(2,051)
HEP Interest Rate Swap [Member] | HEP [Member]
Gain (Loss) on Hedging Instruments, Net, Pretax	$ (556)	$ (529)	$ (1,647)	$ (2,398)