Transportation Agreements (Details) (USD $)	12 Months Ended
	Dec. 31, 2011	Dec. 31, 2010	Dec. 31, 2009
Finite-Lived Intangible Assets, Net [Abstract]
Finite-Lived Intangible Assets, Gross	$ 134,164,000	$ 134,164,000
Less accumulated amortization	32,621,000	25,675,000
Finite-Lived Intangible Assets, Net	101,543,000	108,489,000
Amortization expense	6,900,000	6,900,000	7,000,000
Alon transportation agreement
Finite-Lived Intangible Assets [Line Items]
Finite-Lived Intangible Assets, Useful Life (years)	30
Finite-Lived Intangible Assets, Useful Life, Initial Term (years)	15
Finite-Lived Intangible Assets, Useful Life, Extension Period (years)	15
Finite-Lived Intangible Assets, Net [Abstract]
Finite-Lived Intangible Assets, Gross	59,933,000	59,933,000
HFC transportation agreement
Finite-Lived Intangible Assets [Line Items]
Finite-Lived Intangible Assets, Useful Life (years)	15
Finite-Lived Intangible Assets, Net [Abstract]
Finite-Lived Intangible Assets, Gross	$ 74,231,000	$ 74,231,000