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Summary of Significant Accounting Policies (Narrative) (Details) | 12 Months Ended
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Dec. 31, 2023 USD ($) segment country $ / shares shares | Dec. 31, 2022 USD ($) $ / shares shares
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss, Fee, and Loan in Process | $ 1,406,667,000 | $ 1,279,494,000
Loans held for sale | 443,000 | 0
Dividend income, operating | $ 198,457 | $ 36,558
Weighted average useful life | 3 years 4 months 17 days | 4 years 4 months 17 days
Common stock, par or stated value per share | $ / shares | $ 0.01 | $ 0.01
Number of operating segments | segment | 2 |
Stock repurchased during period, shares | shares | 82,098 | 0
Shares Repurchased Weighted Average Price Per Share | $ / shares | $ 16.79 |
Threshold commitment amount | $ 100,000 |
Wealth Book Business [Member] |  |
Other intangible assets | $ 600,000 |
Weighted average useful life | 3 years | 4 years
Mortgage Company [Member] |  |
Other intangible assets | $ 500,000 |
Weighted average useful life | 3 years 11 months 1 day | 4 years 11 months 1 day
Other Intangible Assets [Member] |  |
Weighted average useful life | 5 years |
Liberty Mews Limited Partnership [Member] |  |
Limited Liability Company (LLC) or Limited Partnership (LP), Members or Limited Partners, Ownership Interest | 99.90% |
MCC FUBT Fund LLC [Member] |  |
Percentage of non voting membership interest | 99.90% |
Furniture and Equipment [Member] |  |
Property, plant and equipment, useful life | 20 years |
Maximum [Member] | Building [Member] |  |
Property, plant and equipment, useful life | 31 years 6 months |
Minimum [Member] | Building [Member] |  |
Property, plant and equipment, useful life | 10 years |
Minimum [Member] | Furniture and Equipment [Member] |  |
Property, plant and equipment, useful life | 3 years |
Western Maryland And Northeastern West Virginia [Member] | Loans Receivable [Member] |  |
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss, Fee, and Loan in Process | $ 77,100,000 |
Western Maryland And Northeastern West Virginia [Member] | Loans Receivable [Member] | Impaired [Member] |  |
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss, Fee, and Loan in Process | 100,000 |
Western Maryland And Northeastern West Virginia [Member] | Loans Receivable [Member] | Performing Financing Receivable [Member] |  |
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss, Fee, and Loan in Process | $ 77,000,000.0 |
Western Maryland And Northeastern West Virginia [Member] | Loans Receivable [Member] | Geographic Concentration Risk [Member] |  |
Concentration risk, percentage | 5.00% |
Western Maryland And Northeastern West Virginia [Member] | Commercial Rental Properties [Member] | Geographic Concentration Risk [Member] |  |
Concentration risk, percentage | 21.00% |
MARYLAND [Member] |  |
Number of countries in which entity operates | country | 4 |
WEST VIRGINIA [Member] |  |
Number of countries in which entity operates | country | 4 |

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