v3.3.1.900
Commitments and Contingencies - Additional Information (Detail) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2015
Dec. 31, 2014
Dec. 31, 2013
Other Commitments [Line Items]      
Non-Cancelable operating lease expiration date 2019    
Non-Cancelable lease agreement for office space, expiration date Mar. 31, 2020    
Rent expense under lease arrangements $ 1,002 $ 717 $ 734
Employment Agreements [Member]      
Other Commitments [Line Items]      
Commitment under contracts $ 6,300