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Subsequent Events	9 Months Ended
Subsequent Events	Sep. 30, 2013
Subsequent Events [Abstract]
Subsequent Events	Subsequent Events Sale of Investment in Unconsolidated Entity. On November 1, 2013, the Partnership sold its 50% investment in Caliber for $750. Quarterly Distribution. On October 24, 2013, the Partnership declared a quarterly cash distribution of $0.7825 per common unit for the third quarter of 2013, or $3.13 per common unit on an annualized basis, which will be paid on November 14, 2013 to unitholders of record as of November 7, 2013.