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Summary of Investment Securities Gross Unrealized Gains (Losses) (Details) - USD ($) | Sep. 30, 2021 | Dec. 31, 2020
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Investments, Debt and Equity Securities [Abstract] |  |
Investments with unrealized gains, Fair Value | $ 21,029,520 |
Investments with unrealized gains, Unrealized Holding Gains (Losses) | 3,055 |
Investments with unrealized losses, Fair Value | 7,834,844 |
Investments with unrealized Losses, Unrealized Holding Gains (Losses) | (916) |
Investment securities, available for sale | 28,864,364 |
Investments with unrealized Gains (Losses), Unrealized Holding Gains (Losses) | $ 2,139 |

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