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Earnings Per Common and Subordinated Unit (Details) - shares
12 Months Ended
Dec. 31, 2015
Dec. 31, 2014
Dec. 31, 2013
Aug. 18, 2014
Reconciliation of Weighted Average Units [Line Items]        
Subordinated units converted to common units       6,273,970
Antidilutive units excluded from calculation of diluted units outstanding 29,372 114,026 48,340  
Common Units [Member]        
Reconciliation of Weighted Average Units [Line Items]        
Number of weighted average units outstanding 33,169,413 18,928,640 9,230,876  
Restricted units outstanding 0 0 74,190  
Average diluted units outstanding 33,169,413 18,928,640 9,305,066  
Subordinated Units [Member]        
Reconciliation of Weighted Average Units [Line Items]        
Number of weighted average units outstanding 0 3,953,461 6,273,970  
Restricted units outstanding 0 0 0  
Average diluted units outstanding 0 3,953,461 6,273,970