XML 25 R28.htm IDEA: XBRL DOCUMENT v2.4.0.8
Organization (Details)
0 Months Ended
Oct. 15, 2013
Mar. 31, 2014
Western Refining, Inc. [Member]
   
Related Party Transaction [Line Items]    
Limited Liability Company (LLC) or Limited Partnership (LP), Managing Member or General Partner, Ownership Interest   100.00%
Limited Liability Company (LLC) or Limited Partnership (LP), Members or Limited Partners, Ownership Interest 65.30%  
Public [Member]
   
Related Party Transaction [Line Items]    
Limited Liability Company (LLC) or Limited Partnership (LP), Members or Limited Partners, Ownership Interest 34.70%  
Partners' Capital Account, Units, Sold in Public Offering 15,812,500