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Goodwill and Intangible Assets - Amortization Expense Related to Intangible Assets (Detail)
$ in Thousands
Sep. 30, 2020
USD ($)
Amortization expense related to intangible assets:  
Remainder of 2019 $ 3,586
2020 4,724
2021 4,548
2022 4,409
2023 4,409
Thereafter 15,751
Total $ 37,427