Related Party Transactions Delek Transactions (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended	9 Months Ended	3 Months Ended	9 Months Ended	3 Months Ended	9 Months Ended	3 Months Ended	9 Months Ended	3 Months Ended	9 Months Ended
Sep. 30, 2013 Finished product [Member] Refining [Member]	Sep. 30, 2013 Finished product [Member] Refining [Member]	Sep. 30, 2012 Finished product [Member] Delek US [Member]	Sep. 30, 2012 Finished product [Member] Delek US [Member]	Sep. 30, 2013 Bulk biofuels [Member] Refining [Member]	Sep. 30, 2013 Bulk biofuels [Member] Refining [Member]	Sep. 30, 2012 Bulk biofuels [Member] Delek US [Member]	Sep. 30, 2012 Bulk biofuels [Member] Delek US [Member]	Sep. 30, 2013 RINs [Member] Delek US [Member]	Sep. 30, 2013 RINs [Member] Delek US [Member]
Related Party Transaction [Line Items]
Purchases from Related Party	$ 22.6	$ 53.2	$ 8.6	$ 18.5	$ 7.0	$ 19.5
Revenue from related party							$ 59.4	$ 161.6	$ 1.7	$ 5.2

Reflects the sum of all other revenue and income realized from sales and other transactions (excluding transactions that are eliminated in consolidated or combined financial statements) with related party during the period.

No definition available.

Name:	us-gaap_RelatedPartyTransactionOtherRevenuesFromTransactionsWithRelatedParty
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration