Fair Value of Financial Instruments - Summary of Fair Value of Partnership's Financial Liabilities (Details) - USD ($)	Sep. 30, 2021	Dec. 31, 2020
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis Valuation Techniques [Line Items]
Mortgages payable and other secured financing	$ 25,429,450	$ 25,984,872
Carrying (Reported) Amount, Fair Value Disclosure [Member]
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis Valuation Techniques [Line Items]
Debt financing	760,632,414	673,957,640
Mortgages payable and other secured financing	25,429,450	25,984,872
Carrying (Reported) Amount, Fair Value Disclosure [Member] | Unsecured Lines of Credit [Member]
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis Valuation Techniques [Line Items]
Secured and Unsecured lines of credit		7,475,000
Carrying (Reported) Amount, Fair Value Disclosure [Member] | Secured Line Of Credit Facility [Member]
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis Valuation Techniques [Line Items]
Secured and Unsecured lines of credit	6,500,000
Estimate of Fair Value, Fair Value Disclosure [Member]
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis Valuation Techniques [Line Items]
Debt financing	794,828,424	709,760,933
Mortgages payable and other secured financing	25,430,834	25,986,514
Estimate of Fair Value, Fair Value Disclosure [Member] | Unsecured Lines of Credit [Member]
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis Valuation Techniques [Line Items]
Secured and Unsecured lines of credit		$ 7,475,000
Estimate of Fair Value, Fair Value Disclosure [Member] | Secured Line Of Credit Facility [Member]
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis Valuation Techniques [Line Items]
Secured and Unsecured lines of credit	$ 6,500,000