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Loans (Details 2) - USD ($)
$ in Thousands
3 Months Ended 9 Months Ended
Sep. 30, 2020
Sep. 30, 2019
Sep. 30, 2020
Sep. 30, 2019
Receivables [Abstract]        
Beginning balance $ 81 $ 79 $ 65 $ 93
New loans purchased 0 0 32 0
Accretion of income (8) (7) (24) (21)
Ending balance $ 73 $ 72 $ 73 $ 72