Supplemental Guarantor/Non-Guarantor Financial Information (Narrative) (Details)	6 Months Ended
Jun. 30, 2011
HEP [Member]
Percentage of ownership in variable interest entity	34.00%
9.875% Senior Notes Due 2017 [Member]
Debt instrument, stated percentage	9.875%

Interest rate stated in the contractual debt agreement.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher SEC
-Name Regulation S-X (SX)
-Number 210
-Section 02
-Paragraph 22
-Article 5

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