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Inventory
12 Months Ended
Dec. 31, 2012
Inventory, Net [Abstract]  
Inventory
Inventory
Inventory consists of refined products which are stated at the lower of cost or market on a first-in, first-out ("FIFO") basis. Carrying value of inventories consisted of $14.4 million and $18.9 million of refined petroleum products as of December 31, 2012 and December 31, 2011, respectively.