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Subsequent Events	12 Months Ended
Subsequent Events	Dec. 31, 2015
Subsequent Events [Abstract]
Subsequent Events	17. SUBSEQUENT EVENTS On February 9, 2016, the board of directors of the general partner of the Partnership declared a fourth quarter 2015 cash distribution on its common units of $0.4060 per unit ($1.6240 per unit annualized) payable on February 29, 2016 to holders of record on February 19, 2016. The Partnership also declared a fourth quarter 2015 paid-in-kind distribution of 2.5% on its Class A preferred units and a fourth quarter prorated cash distribution of $0.3815 on its Class B preferred units, each payable on February 29, 2016 to holders of record on February 19, 2016.