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Goodwill and Intangibles - Schedule of Estimated Aggregate Annual Amortization (Detail)
$ in Thousands
Dec. 31, 2016
USD ($)
Finite Lived Intangible Assets Net Amortization Expense Rolling Maturity [Abstract]  
2017 $ 12,034
2018 11,730
2019 11,218
2020 10,612
2021 9,594
Thereafter $ 31,129