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Subsequent Events Securities Sold Subsequent Event Disclosures (Details) - USD ($)
12 Months Ended
Dec. 31, 2020
Dec. 31, 2019
Dec. 31, 2018
Subsequent Event [Line Items]      
Gain on Sale of Investment Securities $ 1,332,666 $ 819,053 $ 573,266
Payments of FHLBank Borrowings, Financing Activities 0    
Gains (Losses) on Sales of Other Real Estate $ 46,354 $ 184,864 $ 588,720