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Leases - Future Minimum Payments (Details) - USD ($)
$ in Thousands
Jun. 30, 2021
Dec. 31, 2020
Leases [Abstract]    
2022 $ 414  
2023 689  
2024 496  
2025 368  
2026 348  
Thereafter 3,033  
Total future minimum lease payments 5,348  
Amounts representing interest (770)  
Present value of net future minimum lease payments $ 4,578 $ 4,827