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Goodwill and Other Intangible Assets - Summary of Estimated Amortization Expense (Detail)
$ in Thousands
Dec. 31, 2015
USD ($)
Finite Lived Intangible Assets Future Amortization Expense [Abstract]  
2016 $ 1,668
2017 1,371
2018 1,363
2019 1,180
2020 1,163
Total $ 6,745