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Segments - Additional Information (Details) | 1 Months Ended | 12 Months Ended
--- | --- | ---
Dec. 31, 2022 USD ($) | Dec. 31, 2023 USD ($) Security Unit Segment Property
Segment Reporting Information [Line Items] |  |
Number of Reportable Segments | Segment |  | 4
Property loans, net | $ | $ 175,109,711 | $ 122,061,204
Affordable Multifamily Mortgage Revenue Bond Investments Segment [Member] |  |
Segment Reporting Information [Line Items] |  |
Number of Available for Sale Securities | Security |  | 83
Number of available for sale securities in tax-exempt loan | Security |  | 10
Number of Real Estate Properties | Property |  | 2
Seniors and Skilled Nursing Mortgage Revenue Bond Investments Segment [Member] |  |
Segment Reporting Information [Line Items] |  |
Number of rental units financed by mortgage revenue bonds | Unit |  | 294
MF Properties Segment [Member] |  |
Segment Reporting Information [Line Items] |  |
Number of Real Estate Properties | Property |  | 0
Residential Properties [Member] | Affordable Multifamily Mortgage Revenue Bond Investments Segment [Member] |  |
Segment Reporting Information [Line Items] |  |
Number of rental units financed by mortgage revenue bonds | Unit |  | 11,525
Number of rental units financed by tax-exempt loan | Unit |  | 1,627
Commercial Real Estate [Member] | Affordable Multifamily Mortgage Revenue Bond Investments Segment [Member] |  |
Segment Reporting Information [Line Items] |  |
Number of collateralized securities | Security |  | 1
The 50/50 MF Property [Member] |  |
Segment Reporting Information [Line Items] |  |
Ownership interest sold | 100.00% |
Property loans, net | $ | $ 4,800,000 |

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- Definition Amortized cost, after allowance for credit loss, of financing receivable. Excludes financing receivable covered under loss sharing agreement and net investment in lease. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 946 -SubTopic 210 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.6-04(5)(b)) -Publisher FASB -URI https://asc.fasb.org//1943274/2147479617/946-210-S99-1 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 310 -SubTopic 10 -Name Accounting Standards Codification -Section 45 -Paragraph 2 -Publisher FASB -URI https://asc.fasb.org//1943274/2147481990/310-10-45-2 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Topic 326 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 5 -Subparagraph (b) -Publisher FASB -URI https://asc.fasb.org//1943274/2147479319/326-20-50-5 + Details
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