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Mortgage Revenue Bonds - Schedule of Terms of MRBSs upon Redemption (Details)	1 Months Ended	6 Months Ended	15 Months Ended
	Jan. 31, 2022 USD ($) Unit	Jun. 30, 2023 USD ($) Unit	Dec. 31, 2022	Jun. 30, 2022 USD ($)
Mortgage Revenue Bonds [Member]
Schedule Of Available For Sale Securities [Line Items]
Principal Outstanding at Date of Redemption | $	$ 61,055,000	$ 8,493,040		$ 24,103,840
Live 929 Apartments [Member] | 2014 Series A [Member] | Mortgage Revenue Bonds [Member] | Baltimore, MD [Member]
Schedule Of Available For Sale Securities [Line Items]
Month Restructured	January
Units | Unit	575
Original Maturity Date			Jul. 01, 2049
Fixed Interest Rate			5.78%
Principal Outstanding at Date of Redemption | $	$ 39,445,000
Live 929 Apartments [Member] | 2014 Series B [Member] | Mortgage Revenue Bonds [Member] | Baltimore, MD [Member]
Schedule Of Available For Sale Securities [Line Items]
Month Restructured	January
Units | Unit	575
Original Maturity Date			Jul. 01, 2039
Fixed Interest Rate			1.60%
Principal Outstanding at Date of Redemption | $	$ 21,610,000
Live 929 Apartments [Member] | Series 2022A [Member] | Baltimore, MD [Member]
Schedule Of Available For Sale Securities [Line Items]
Units | Unit	575
Original Maturity Date	Jan. 01, 2060
Fixed Interest Rate	4.30%
Greens Property [Member] | Series A [Member] | Mortgage Revenue Bonds [Member] | Durham NC [Member]
Schedule Of Available For Sale Securities [Line Items]
Month Redeemed		February 2023
Units | Unit		168
Original Maturity Date		Oct. 01, 2047
Fixed Interest Rate		6.50%
Principal Outstanding at Date of Redemption | $		$ 7,579,000
Greens Property [Member] | Series B [Member] | Mortgage Revenue Bonds [Member] | Durham NC [Member]
Schedule Of Available For Sale Securities [Line Items]
Month Redeemed		February 2023
Units | Unit		168
Original Maturity Date		Oct. 01, 2047
Fixed Interest Rate		12.00%
Principal Outstanding at Date of Redemption | $		$ 914,040

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Maturity date of mortgage loan within investment in mortgage loan on real estate by entity with substantial portion of business acquiring and holding investment real estate or interest in real estate, in YYYY-MM-DD format.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher SEC
-Name Regulation S-X (SX)
-Number 210
-Section 12
-Paragraph Column C
-Subsection 29

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 948
-SubTopic 310
-Section S99
-Paragraph 1
-Subparagraph (SX 210.12-29(Column C))
-URI https://asc.fasb.org/extlink&oid=120402547&loc=d3e617274-123014

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-Publisher SEC
-Name Regulation S-X (SX)
-Number 210
-Section 12
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-Name Accounting Standards Codification
-Topic 948
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