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Goodwill and Intangible Assets - Estimated Annual Amortization Expense for Intangible Assets (Detail) - USD ($)
$ in Thousands
Jun. 30, 2017
Dec. 31, 2016
Goodwill And Intangible Assets Disclosure [Abstract]    
2017 (remaining) $ 6,133  
2018 12,013  
2019 11,977  
2020 11,694  
2021 11,232  
2022 10,777  
Thereafter 38,062  
Finite lived intangible assets, Net $ 101,888 $ 82,545