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Other Intangible Assets, Net (Detail) - USD ($)
$ in Thousands
 12 Months Ended
Dec. 31, 2016
Dec. 31, 2015
Finite-Lived Intangible Assets [Line Items]    
Original amount $ 45,081 $ 45,081
Accumulated amortization 22,926 19,073
Other intangible assets, net $ 22,155 26,008
Minimum    
Finite-Lived Intangible Assets [Line Items]    
Estimated useful lives of intangible assets 5 years  
Maximum    
Finite-Lived Intangible Assets [Line Items]    
Estimated useful lives of intangible assets 20 years  
Core Technology    
Finite-Lived Intangible Assets [Line Items]    
Estimated useful lives of intangible assets 8 years  
Original amount $ 17,464 17,464
Accumulated amortization 4,743 2,560
Other intangible assets, net 12,721 14,904
Trademarks and trade names    
Finite-Lived Intangible Assets [Line Items]    
Original amount 25,520 25,520
Accumulated amortization 16,086 14,510
Other intangible assets, net $ 9,434 11,010
Trademarks and trade names | Minimum    
Finite-Lived Intangible Assets [Line Items]    
Estimated useful lives of intangible assets 15 years  
Trademarks and trade names | Maximum    
Finite-Lived Intangible Assets [Line Items]    
Estimated useful lives of intangible assets 20 years  
Customer Relationships    
Finite-Lived Intangible Assets [Line Items]    
Original amount $ 2,097 2,097
Accumulated amortization $ 2,097 2,003
Other intangible assets, net   $ 94
Customer Relationships | Minimum    
Finite-Lived Intangible Assets [Line Items]    
Estimated useful lives of intangible assets 5 years  
Customer Relationships | Maximum    
Finite-Lived Intangible Assets [Line Items]    
Estimated useful lives of intangible assets 6 years