Income Taxes (Deferred Tax Assets And Liabilities) (Details) - USD ($) $ in Thousands	Dec. 31, 2016	Dec. 31, 2015
Deferred Income Taxes Assets Liabilities [Line Items]
Deferred tax assets, noncurrent		$ 21,815
Deferred tax assets, gross	$ 117,249	281,852
Deferred tax liabilities, gross	(737,663)	(779,758)
Deferred taxes, net	620,414	497,906
Property, Plant and Equipment [Member]
Deferred Income Taxes Assets Liabilities [Line Items]
Deferred tax liabilities, noncurrent	(618,053)	(648,542)
Accrued employee benefits
Deferred Income Taxes Assets Liabilities [Line Items]
Deferred tax assets, noncurrent	21,355	22,355
Postretirement Benefit Costs [Member]
Deferred Income Taxes Assets Liabilities [Line Items]
Deferred tax assets, noncurrent	10,024	11,518
Deferred Tax Liability Derivatives [Member]
Deferred Income Taxes Assets Liabilities [Line Items]
Deferred tax assets, noncurrent		21,815
Reserve for Environmental Costs [Member]
Deferred Income Taxes Assets Liabilities [Line Items]
Deferred tax assets, noncurrent	41,152	42,517
Deferred Tax Asset, Derivatives [Domain]
Deferred Income Taxes Assets Liabilities [Line Items]
Deferred tax assets, noncurrent	7,396
Inventory Valuation Reserve [Member]
Deferred Income Taxes Assets Liabilities [Line Items]
Deferred tax assets, noncurrent		175,614
Deferred tax liabilities, noncurrent	(8,341)
Deferred turnaround costs
Deferred Income Taxes Assets Liabilities [Line Items]
Deferred tax liabilities, noncurrent	(83,993)	(104,944)
Net operating loss and tax credit carryforward [Member]
Deferred Income Taxes Assets Liabilities [Line Items]
Deferred tax assets, noncurrent	23,203	8,033
HEP
Deferred Income Taxes Assets Liabilities [Line Items]
Deferred tax liabilities, noncurrent	(27,276)	(23,429)
Other
Deferred Income Taxes Assets Liabilities [Line Items]
Deferred tax assets, noncurrent	$ 14,119	0
Deferred tax liabilities, noncurrent		$ (2,843)