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Leases (Future Maturities of Lease Liabilities) (Details) - USD ($)
$ in Thousands
Sep. 30, 2019
Jan. 01, 2019
Dec. 31, 2018
Leases [Abstract]      
2019 (excluding the nine months ended September 30, 2019) $ 31    
2020 116    
2021 95    
2022 43    
2023 35    
Thereafter 190    
Total lease payments 510    
Less: Imputed interest 63    
Operating lease, liability $ 447 $ 451 $ 0