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Goodwill and Intangible Assets - Amortization Expenses for Existing Intangible Assets for the Next Five Years (Detail)
$ in Thousands
Dec. 31, 2019
USD ($)
Goodwill and Intangible Assets Disclosure [Abstract]  
Amortization expense for existing other intangible assets, 2020 $ 42,502
Amortization expense for existing other intangible assets, 2021 36,502
Amortization expense for existing other intangible assets, 2022 29,482
Amortization expense for existing other intangible assets, 2023 24,482
Amortization expense for existing other intangible assets, 2024 $ 10,590