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Regulatory Capital Requirements - Additional Information (Details) - USD ($)
Jun. 30, 2021
Jun. 30, 2020
Regulatory Capital Requirements    
Minimum Net Worth Required For Compliance Ratio 6.00%  
Bank's net worth of total assets $ 32,504,792 $ 22,472,487
General loan loss reserve $ 1,323,730 $ 1,147,504
Percentage of net worth on assets 10.70% 7.70%