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Goodwill and Intangible Assets - Future Amortization (Details) - USD ($)
$ in Thousands
3 Months Ended
Mar. 31, 2021
Mar. 31, 2020
Estimated annual amortization expense    
2021 (remaining) $ 31,049  
2022 40,912  
2023 40,781  
2024 40,778  
2025 40,753  
Thereafter 354,422  
Total 548,695  
Amortization of intangibles $ 10,763 $ 10,957