XML 66 R55.htm IDEA: XBRL DOCUMENT v3.19.1
Estimated Future Amortization Expense of Purchased Intangible Assets with Definite Lives (Detail) - USD ($)
$ in Thousands
Mar. 31, 2019
Dec. 31, 2018
Goodwill And Intangible Assets Disclosure [Abstract]    
2019 (remaining nine months) $ 1,926  
2020 2,567  
2021 1,112  
2022 1,112  
2023 1,035  
Thereafter 4,245  
Intangible assets, net $ 11,997 $ 10,980