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Estimated Aggregate Future Amortization Expense for Intangible Assets (Detail) - USD ($)
$ in Thousands
Jun. 30, 2021
Dec. 31, 2020
Finite Lived Intangible Assets Net [Abstract]    
For the six months ended December 31, 2021 $ 1,377  
For the twelve months ended December 31, 2022 2,581  
For the twelve months ended December 31, 2023 2,485  
For the twelve months ended December 31, 2024 2,485  
For the twelve months ended December 31, 2025 2,363  
Thereafter 1,516  
Total $ 12,807 $ 14,016