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Leases - Schedule of Undiscounted Future Minimum Lease Commitments (Details) - USD ($)
$ in Thousands
Dec. 31, 2020
Dec. 31, 2019
Operating Lease Liabilities Payments Due [Abstract]    
2021 $ 385  
2022 278  
2023 218  
2024 176  
2025 30  
Total undiscounted future minimum lease payments 1,087  
Less: imputed interest 84  
Present value of lease liabilities $ 1,003 $ 1,519