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Goodwill and Intangible Assets - Estimated Amortization (Detail) - USD ($)
$ in Thousands
Dec. 31, 2019
Dec. 31, 2018
Finite-Lived Intangible Assets, Net, Amortization Expense, Fiscal Year Maturity [Abstract]    
2020 $ 3,723  
2021 3,591  
2022 3,516  
2023 3,430  
2024 3,225  
Thereafter 9,194  
Estimated amortization $ 26,679 $ 10,390