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Goodwill and Intangible Assets - Finite-lived Intangible Assets Amortization Expense (Detail) - USD ($)
$ in Thousands
Dec. 31, 2019
Dec. 31, 2018
Goodwill and Intangible Assets Disclosure [Abstract]    
2020 $ 2,658  
2021 2,658  
2022 2,658  
2023 2,658  
2024 1,400  
Thereafter 9,517  
Amortized intangible assets, net $ 21,549 $ 23,947