Debt (Carrying Amounts Of Long-Term Debt) (Details) - USD ($) $ in Thousands	Mar. 31, 2016	Dec. 31, 2015
Debt Instrument [Line Items]
Financing obligation	$ 0	$ 31,288
Total long-term debt	1,308,168	1,040,040
Long-term Debt and Capital Lease Obligations	246,224	31,288
Long-term Debt	1,308,168	1,040,040
Five Point Eight Seven Five Percentage Senior Notes Due Two Thousand Twenty-Six [Member] [Member]
Debt Instrument [Line Items]
Principal	250,000
Unamortized discount	(3,776)
Total long-term debt	246,224
HEP [Member]
Debt Instrument [Line Items]
HEP Credit Agreement	765,000	712,000
Total long-term debt	1,061,944	1,008,752
Long-term Debt and Capital Lease Obligations	1,061,944	1,008,752
Long-term Debt	1,061,944	1,008,752
HEP [Member] | 6.5% Senior Notes Due 2020 [Member]
Debt Instrument [Line Items]
Principal	300,000	300,000
Unamortized discount	(3,056)	(3,248)
Total long-term debt	$ 296,944	$ 296,752