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Property Loans - Schedule of Property Loans Paid Down or Redeemed (Details) - USD ($) | 12 Months Ended
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Dec. 31, 2024 | Dec. 31, 2023 | Dec. 31, 2022
Property Loans Net Of Loan Loss Allowance [Line Items] |  |  |
Principal Proceeds | $ 81,060,334 | $ 101,613,050 | $ 30,332,123
Legacy Commons at Signal Hills [Member] |  |  |
Property Loans Net Of Loan Loss Allowance [Line Items] |  |  |
Month Repaid | 2024-02 |  |
Principal Proceeds | $ 32,233,972 |  |
Osprey Village [Member] |  |  |
Property Loans Net Of Loan Loss Allowance [Line Items] |  |  |
Month Repaid | 2024-02 |  |
Principal Proceeds | $ 14,998,296 |  |
Osprey Village Supplemental [Member] |  |  |
Property Loans Net Of Loan Loss Allowance [Line Items] |  |  |
Month Repaid | 2024-02 |  |
Principal Proceeds | $ 4,600,000 |  |
Willow Place Apartments [Member] |  |  |
Property Loans Net Of Loan Loss Allowance [Line Items] |  |  |
Month Repaid | 2024-02 |  |
Principal Proceeds | $ 18,875,606 |  |
Willow Place Apartments Supplemental [Member] |  |  |
Property Loans Net Of Loan Loss Allowance [Line Items] |  |  |
Month Repaid | 2024-02 |  |
Principal Proceeds | $ 1,115,320 |  |
Avistar (February 2013 Portfolio) [Member] |  |  |
Property Loans Net Of Loan Loss Allowance [Line Items] |  |  |
Month Repaid | 2024-05 |  |
Principal Proceeds | $ 201,972 |  |
Avistar (June 2013 Portfolio) [Member] |  |  |
Property Loans Net Of Loan Loss Allowance [Line Items] |  |  |
Month Repaid | 2024-05 |  |
Principal Proceeds | $ 251,622 |  |
Greens Property [Member] |  |  |
Property Loans Net Of Loan Loss Allowance [Line Items] |  |  |
Month Repaid |  | 2023-02 |
Principal Proceeds |  | $ 850,000 |
Scharbauer Flats [Member] |  |  |
Property Loans Net Of Loan Loss Allowance [Line Items] |  |  |
Month Repaid |  | 2023-02 |
Principal Proceeds |  | $ 10,773,236 |
Centennial Crossings [Member] |  |  |
Property Loans Net Of Loan Loss Allowance [Line Items] |  |  |
Month Repaid |  | 2023-03 |
Principal Proceeds |  | $ 6,692,344 |
SoLa Impact Opportunity Zone Fund [Member] |  |  |
Property Loans Net Of Loan Loss Allowance [Line Items] |  |  |
Month Repaid | 2024-03 | 2023-05 |
Principal Proceeds | $ 500,000 | $ 3,790,000 |
Magnolia Heights [Member] |  |  |
Property Loans Net Of Loan Loss Allowance [Line Items] |  |  |
Month Repaid | 2024-09 | 2023-06 |
Principal Proceeds | $ 8,118,546 | $ 2,181,454 |
Oasis at Twin Lakes [Member] |  |  |
Property Loans Net Of Loan Loss Allowance [Line Items] |  |  |
Month Repaid |  | 2023-06 |
Principal Proceeds |  | $ 24,018,657 |
SoLa Impact Opportunity Zone Fund [Member] |  |  |
Property Loans Net Of Loan Loss Allowance [Line Items] |  |  |
Month Repaid | 2024-10 | 2023-08 |
Principal Proceeds | $ 165,000 | $ 1,165,000 |
Hilltop at Signal Hills [Member] |  |  |
Property Loans Net Of Loan Loss Allowance [Line Items] |  |  |
Month Repaid |  | 2023-08 |
Principal Proceeds |  | $ 21,197,939 |
Centennial Crossings |  |  |
Property Loans Net Of Loan Loss Allowance [Line Items] |  |  |
Month Repaid |  | 2023-09 |
Principal Proceeds |  | $ 17,557,656 |
Scharbauer Flats [Member] |  |  |
Property Loans Net Of Loan Loss Allowance [Line Items] |  |  |
Month Repaid |  | 2023-11 |
Principal Proceeds |  | $ 13,386,764 |

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