Subsequent Events (Details) (USD $)	0 Months Ended	9 Months Ended
	Nov. 07, 2012	Sep. 30, 2012	Sep. 30, 2011
Subsequent Event [Line Items]
Line of Credit Facility, Maximum Borrowing Capacity	$ 175,000,000	$ 75,000,000
Partners' Capital Account, Units, Sold in Public Offering	9,200,000
Proceeds from Issuance Initial Public Offering	193,200,000
Offering Costs, Partnership Interests	(17,000,000)
Partners' Capital Account, Public Sale of Units Net of Offering Costs	176,200,000
Debt Related Commitment Fees and Debt Issuance Costs	(3,700,000)
Proceeds Net Offering Costs, including debt issuance costs	172,500,000
Cash Retained By Subsidiary	(36,600,000)
Net Proceeds From Initial Public Offering	135,900,000
Repayments of Lines of Credit	63,000,000	203,300,000	139,400,000
Net proceeds from revolving credit facility distributed to Delek	90,000,000
Proceeds from Partnership Contribution	225,900,000
Initial Public Offering Price	$ 21.00
Over-allotment option	1,200,000
Noncontrolling Interest, Ownership Percentage by Noncontrolling Owners	37.60%
Noncontrolling Interest, Ownership Percentage by Parent	62.40%
Limited Liability Company (LLC) or Limited Partnership (LP), Managing Member or General Partner, Ownership Interest	2.00%
Maximum Borrowing Capacity under Accordion Feature	225,000,000
Letter of Credit sub-limit	50,000,000	35,000,000
Swing line sub-limit	7,000,000
Letters of Credit Outstanding, Amount	12,000,000	11,500,000
Line of Credit Facility, Remaining Borrowing Capacity	73,000,000	10,300,000
Limiited guaranty of debt of subsidiary	$ 102,000,000
Debt Instrument, Maturity Date	Nov. 07, 2017