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Intangible Assets - Estimated Amortization Expense Succeeding Fiscal Years (Detail) - USD ($)
$ in Thousands
Dec. 31, 2019
Dec. 31, 2017
Goodwill and Intangible Assets Disclosure [Abstract]    
2019 $ 5,412  
2020 5,232  
2021 4,862  
2022 4,160  
2023 3,593  
Thereafter 8,031  
Net Carrying Value $ 31,290 $ 10,113