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Intangible Assets - Estimated Amortization Expense (Detail)
$ in Thousands
Dec. 31, 2015
USD ($)
Goodwill And Intangible Assets Disclosure [Abstract]  
Remainder of 2016 $ 1,885
2017 2,194
2018 1,783
2019 1,737
2020 1,737
2021 $ 1,685