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Summary of Significant Accounting Policies (Details Textual) | 9 Months Ended |
--- | --- | ---
Sep. 30, 2021 USD ($) Segment shares | Dec. 31, 2020 shares
Summary of Significant Accounting Policies (Additional Textual) [Abstract] |  |
Operating segments of business | Segment | 2 |
Common stock, shares authorized and available for issuance | shares | 50,000,000 | 50,000,000
Common stock, shares outstanding | shares | 28,321,581 |
Allowance for credit losses related to investment portfolio | $ 0 |
Liability for anticipated credit losses for unfunded commitments | 437,000 |
Fees waived | $ 780,000 |
Percentage of decrease in net interest margin | 0.08% |
ASU 2016-13 | Minimum |  |
Summary of Significant Accounting Policies (Additional Textual) [Abstract] |  |
Increase in allowance for credit losses | $ 1,900,000 |
ASU 2016-13 | Maximum |  |
Summary of Significant Accounting Policies (Additional Textual) [Abstract] |  |
Increase in allowance for credit losses | $ 2,500,000 |

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