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Goodwill and Other Intangible Assets - Estimated Future Aggregate Amortization Expense of Intangible Assets (Detail) - USD ($)
$ in Thousands
Jun. 30, 2017
Dec. 31, 2016
Goodwill and Intangible Assets Disclosure [Abstract]    
Remainder of 2017 $ 13,618  
2018 26,061  
2019 24,015  
2020 22,705  
2021 20,368  
Thereafter 77,608  
Intangible Assets, Net $ 184,375 $ 187,023