Mortgage Payable and Other Secured Financing - Summary of Partnerships' Mortgage Payable and Other Secured Financing, Net of Deferred Financing Costs (Details) - USD ($)	3 Months Ended
Mar. 31, 2022	Dec. 31, 2021
Mortgage Loans On Real Estate [Line Items]
Outstanding Mortgage Payable, net	$ 26,683,361	$ 26,824,543
Period End Rate	4.35%
Tax Increment Financing [Member] \| Real Estate [Member] \| The 50/50 Student Housing--UNL [Member]
Mortgage Loans On Real Estate [Line Items]
Outstanding Mortgage Payable, net	$ 2,174,514	2,174,453
Year Acquired	2020
Stated Maturity	2025-03
Variable / Fixed	Fixed
Period End Rate	4.40%
Mortgages payable [Member] \| Real Estate [Member] \| The 50/50 Student Housing--UNL [Member]
Mortgage Loans On Real Estate [Line Items]
Outstanding Mortgage Payable, net	$ 22,818,847	22,960,090
Year Acquired	2020
Stated Maturity	2027-04
Variable / Fixed	Fixed
Period End Rate	4.35%
Mortgages payable [Member] \| Real Estate [Member] \| Vantage at San Marcos [Member]
Mortgage Loans On Real Estate [Line Items]
Outstanding Mortgage Payable, net	$ 1,690,000	$ 1,690,000
Year Acquired	2020
Stated Maturity	2022-05
Variable / Fixed	Variable
Period End Rate	4.25%

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Effective interest rate for the funds borrowed under the debt agreement considering interest compounding and original issue discount or premium.

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