Real Estate Facilities - Summary of Activity in Real Estate Facilities (Detail) - USD ($)	12 Months Ended
Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Real estate facilities
Real estate facilities, beginning balance	$ 228,006,554	$ 226,034,316	$ 270,002,163
Real estate facilities, ending balance	231,992,832	228,006,554	226,034,316
Accumulated depreciation
Accumulated depreciation, beginning balance	(33,485,918)	(26,070,030)
Depreciation expense	(7,070,186)	(7,415,888)	(8,674,660)
Accumulated depreciation, ending balance	(40,556,104)	(33,485,918)	(26,070,030)
Student Housing [Member]
Real estate facilities
Additions	506,733	211,583	203,195
Senior Housing [Member]
Real estate facilities
Additions	$ 3,479,545	$ 1,760,655	$ 878,873

Amount of accumulated depreciation pertaining to real estate investments for entities with a substantial portion of business acquiring and holding investment real estate.

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 970
-SubTopic 360
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
-Subparagraph (SX 210.12-28(Column F))
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147479438/970-360-S99-1

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- Definition

Amount of increase in real estate investments related to improvements for entities with a substantial portion of business acquiring and holding investment real estate.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 970
-SubTopic 360
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
-Subparagraph (SX 210.12-28(Footnote 4))
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147479438/970-360-S99-1

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- Definition

Amount of real estate investment property which may include the following: (1) land available-for-sale; (2) land available-for-development; (3) investments in building and building improvements; (4) tenant allowances; (5) developments in-process; (6) rental properties; and (7) other real estate investments.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 944
-SubTopic 210
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
-Subparagraph (SX 210.7-03(a)(1)(d))
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147479440/944-210-S99-1

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- Definition

A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period.

+ References

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A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period.

+ References

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- Definition

Amount of depreciation expense of real estate investments for entities with a substantial portion of business acquiring and holding investment real estate.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 970
-SubTopic 360
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
-Subparagraph (SX 210.12-28(Footnote 4))
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147479438/970-360-S99-1

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