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Goodwill and Intangible Assets - Schedule of Estimated Future Amortization Expense of Intangible Assets Excluding Patents Currently in Process (Detail)
$ in Thousands
Dec. 31, 2019
USD ($)
Goodwill and Intangible Assets Disclosure [Abstract]  
2020 $ 68,996
2021 59,419
2022 48,973
2023 77
2024 5
Thereafter 0
Total estimated amortization expense $ 177,470