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Goodwill and Other Intangible Assets - Summary of Expected Amortization Expense for Finite-Lived Intangibles Assets (Detail)
$ in Thousands
Dec. 31, 2015
USD ($)
Goodwill and Intangible Assets Disclosure [Abstract]  
2016 $ 1,433
2017 1,149
2018 668
2019 561
2020 475
Total $ 4,286