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Goodwill and Other Intangible Assets - Summary of Estimated Amortization Expense (Detail)
$ in Thousands
Dec. 31, 2016
USD ($)
Finite Lived Intangible Assets Future Amortization Expense [Abstract]  
2017 $ 1,371
2018 1,363
2019 1,180
2020 1,163
2021 1,163
Total $ 6,240