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Intangible Assets - Estimated Future Amortization Expense Related to Intangible Assets (Detail) - USD ($)
$ in Thousands
Dec. 31, 2019
Dec. 31, 2018
Finite Lived Intangible Assets Future Amortization Expense [Abstract]    
2020 $ 4,444  
2021 4,095  
2022 3,471  
2023 3,320  
2024 3,226  
Thereafter 9,265  
Net Value $ 27,821 $ 33,183