Quarterly report pursuant to Section 13 or 15(d)

Stock-Based Compensation and Employee Benefit Plans - Stock-Based Compensation (Detail)

v3.3.0.814
Stock-Based Compensation and Employee Benefit Plans - Stock-Based Compensation (Detail) - USD ($)
$ in Thousands
 3 Months Ended 9 Months Ended
Sep. 30, 2015
Sep. 30, 2014
Sep. 30, 2015
Sep. 30, 2014
Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items]        
Stock based compensation $ 5,011 $ 4,002 $ 13,524 $ 11,080
Cost of net revenue [Member]        
Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items]        
Stock based compensation 73 35 169 96
Research and development [Member]        
Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items]        
Stock based compensation 3,496 2,574 8,889 7,152
Selling, general and administrative [Member]        
Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items]        
Stock based compensation $ 1,442 $ 1,393 $ 4,466 $ 3,832