Document and Entity Information Document	9 Months Ended
Sep. 30, 2011	Nov. 01, 2011
Document and Entity Information
Entity Registrant Name	Alon Refining Krotz Springs, Inc.
Entity Central Index Key	0001479142
Current Fiscal Year End Date	--12-31
Entity Filer Category	Non-accelerated Filer
Document Type	10-Q
Document Period End Date	Sep. 30, 2011
Document Fiscal Year Focus	2011
Document Fiscal Period Focus	Q3
Amendment Flag	false
Entity Common Stock, Shares Outstanding		50,110

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