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Goodwill and Intangible Assets - Remaining Estimated Amortization Expense (Detail)
$ in Thousands
Mar. 31, 2017
USD ($)
Goodwill and Intangible Assets Disclosure [Abstract]  
2017 (remaining nine months) $ 10,691
2018 12,892
2019 11,351
2020 9,911
2021 9,813
Thereafter 14,249
Remaining amortization expense $ 68,907