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Omnibus Incentive Compensation Plan (Details) - USD ($)
$ in Thousands
6 Months Ended
Jun. 30, 2017
Jun. 30, 2016
Dec. 31, 2016
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]      
Share based compensation $ 578 $ 525  
Total compensation cost related to non vested awards $ 1,712    
Expected period of recognition for unrecognized compensation cost 1 year 6 months    
Value of unvested units accrued distribution $ 423    
Employee equity compensation      
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]      
Share based compensation 217 219  
Total compensation cost related to non vested awards 1,031   $ 1,141
Non-Employee equity compensation      
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]      
Share based compensation 361 $ 306  
Total compensation cost related to non vested awards $ 2,993   $ 2,993