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Leases - Future Minimum Payments (Details) - USD ($)
$ in Thousands
Dec. 31, 2020
Dec. 31, 2019
Leases [Abstract]    
2021 $ 804  
2022 623  
2023 485  
2024 366  
2025 348  
Thereafter 3,032  
Total future minimum lease payments 5,658  
Amounts representing interest (831)  
Present value of net future minimum lease payments $ 4,827 $ 5,479