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Acquisitions from Third Parties (Details)
Oct. 02, 2014
bbl
Dec. 17, 2014
FTT Assets    
Business Acquisition [Line Items]    
Number of trucks acquired   123
Number of trailers acquired   205
Mount Pleasant Terminal [Member]    
Business Acquisition [Line Items]    
Storage capacity (barrels) 200,000  
Greenville Terminal [Member]    
Business Acquisition [Line Items]    
Storage capacity (barrels) 325,000