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Leases - Lease Maturity (Details) - USD ($)
$ in Thousands
Jun. 30, 2020
Dec. 31, 2019
Leases [Abstract]    
2020 (excluding the six months ended June 30, 2020) $ 152  
2021 303  
2022 249  
2023 242  
Thereafter 206  
Total lease payments 1,152  
Less imputed interest (135)  
Total $ 1,017 $ 980