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Goodwill and Intangibles - Schedule of Estimated Aggregate Annual Amortization (Detail)
$ in Thousands
Jun. 30, 2017
USD ($)
Finite Lived Intangible Assets Net Amortization Expense Rolling Maturity [Abstract]  
Remainder of 2017 $ 13,355
2018 21,899
2019 16,927
2020 16,328
2021 15,310
Thereafter $ 55,607