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Inventory (Notes)
12 Months Ended
Dec. 31, 2015
Inventory, Net [Abstract]  
Inventory
Inventory

Inventories consisted of $10.5 million and $10.3 million of refined petroleum products as of December 31, 2015 and December 31, 2014, respectively. Cost of inventory is stated at the lower of cost or market with cost determined on a FIFO basis.