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Leases - Maturities of Operating Lease Liabilities (Details) - USD ($)
$ in Thousands
Dec. 31, 2020
Dec. 31, 2019
Leases [Abstract]    
2021 $ 1,189  
2022 1,033  
2023 708  
2024 394  
2025 394  
Thereafter 591  
Total lease payments 4,309  
Less: interest (436)  
Total lease liabilities $ 3,873 $ 3,835