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Net Income per Unit - Additional Information (Details) - shares
12 Months Ended
Dec. 31, 2015
Dec. 31, 2014
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]    
Antidilutive convertible preferred units 12,983,333 14,223,737
Non-vested units awards    
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]    
Antidilutive convertible preferred units 850,000