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Equity-Based Compensation - Stock Options Additional Information (Detail) - Stock Options - shares
6 Months Ended
Jun. 30, 2016
Dec. 31, 2015
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]    
Stock awards vesting period 4 years  
Stock options outstanding (in shares) 250 250
First Anniversary    
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]    
Vesting percentage 25.00%  
Over Three Years    
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]    
Stock awards vesting period 36 months  
Vesting percentage 75.00%