XML 70 R59.htm IDEA: XBRL DOCUMENT v3.20.2
Regulatory Capital Requirements - Additional Information (Details) - USD ($)
Sep. 30, 2020
Jun. 30, 2020
Sep. 30, 2019
Regulatory Capital Requirements      
Percentage of bank's net worth of total assets 6.00%    
Bank's net worth of total assets $ 24,340,182 $ 22,472,487  
Financing Receivable, Allowance for Credit Losses, Collectively Evaluated for Impairment $ 1,172,947 $ 1,147,504 $ 1,150,558
Percentage of net worth on assets 8.40% 7.70%