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Goodwill and Other Intangible Assets - Estimated Future Aggregate Amortization Expense of Intangible Assets (Detail) - USD ($)
$ in Thousands
Mar. 31, 2017
Dec. 31, 2016
Goodwill and Intangible Assets Disclosure [Abstract]    
Remainder of 2017 $ 19,196  
2018 24,414  
2019 22,373  
2020 21,081  
2021 18,750  
Thereafter 76,120  
Intangible Assets, Net $ 181,934 $ 187,023