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Equity-Based Compensation (Details) - USD ($)
9 Months Ended
Sep. 30, 2016
Sep. 30, 2015
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding [Roll Forward]    
Granted 247,917 66,666
Employees [Member]    
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding [Roll Forward]    
Outstanding, beginning of year 893,771  
Granted 185,417  
Forfeited (227,259)  
Outstanding, end of year 851,929  
Vested and expected to vest 851,929  
Exercisable at end of year 714,950  
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Weighted Average Exercise Price [Roll Forward]    
Outstanding, beginning of year $ 18.96  
Granted 1.58  
Forfeited 5.75  
Outstanding, end of year 18.70  
Vested and expected to vest 18.70  
Exercisable at end of year $ 18.60  
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Weighted Average Remaining Contractual Term [Roll Forward]    
Outstanding, beginning of year 4 years 7 days  
Outstanding, end of year 4 years 18 days  
Vested and expected to vest 4 years 18 days  
Exercisable at end of year 2 years 10 months 13 days  
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Aggregate Intrinsic Value [Roll Forward]    
Outstanding, beginning of year  
Granted  
Forfeited  
Outstanding, end of year  
Vested and expected to vest  
Exercisable at end of year