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Goodwill and Other Intangible Assets - Summary of Estimated Amortization Expense (Details) - USD ($)
$ in Thousands
Dec. 31, 2020
Dec. 31, 2019
Amortization expense    
2021 $ 9,409  
2022 9,173  
2023 7,167  
2024 7,005  
2025 6,783  
Thereafter 39,584  
Net Amount $ 79,121 $ 85,215