Summary of Significant Accounting Policies - Schedule of Partnership and Predecessor Entity's Concentration Risk (Parenthetical) (Detail) (Valero [Member], Suppliers [Member], Cost of Revenues from Fuel sales [Member])	2 Months Ended	12 Months Ended
	Dec. 31, 2012	Dec. 31, 2013
Concentration Risk [Line Items]
Concentration risk percentage
Maximum [Member]
Concentration Risk [Line Items]
Concentration risk percentage		10.00%