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Inventories (Details) (USD $)
In Thousands, unless otherwise specified
Sep. 30, 2012
Dec. 31, 2011
Predecessor [Member]
Schedule Of Inventory [Line Items]    
Fuel-consignment and dealers $ 1,581 $ 3,538
Fuel-wholesale and bulk 397 2,947
Other 856 538
Inventories, net $ 2,834 $ 7,023