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Subsequent Event (Notes)	9 Months Ended
Subsequent Event (Notes)	Sep. 30, 2014
Subsequent Event [Abstract]
Subsequent Events [Text Block]	16. Subsequent Events On October 10, 2014, we entered into definitive agreements to acquire from Mid Ocean Tanker Company, LLC, the M/T American Phoenix and two related charters for approximately $157 million. The M/T American Phoenix is a modern double-hulled, Jones Act qualified tanker with 330,000 barrels of cargo capacity, which was completed in 2012. It is under charter to large energy companies into 2020.