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Leases - Maturities of Operating Lease Liabilities (Details) - USD ($)
$ in Thousands
Dec. 31, 2020
Dec. 31, 2019
Operating Lease Liabilities, Payments Due [Abstract]    
2021 $ 7,835  
2022 7,345  
2023 6,608  
2024 6,265  
2025 4,480  
Thereafter 6,599  
Total lease payments 39,132  
Less imputed interest (3,845)  
Total operating liabilities $ 35,287 $ 41,321