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Goodwill and Other Intangible Assets - Schedule of Estimated Amortization Expense for Future Years (Detail) - USD ($)
$ in Thousands
Dec. 31, 2020
Dec. 31, 2019
Finite-Lived Intangible Assets, Amortization Expense, Maturity Schedule [Abstract]    
2021 $ 11,336  
2022 9,014  
2023 7,053  
2024 5,645  
2025 4,509  
Thereafter 8,457  
Net Carrying Amount $ 46,014 $ 60,105