Fair Value of Financial Instruments (Details) - USD ($)	Mar. 31, 2021	Dec. 31, 2020	Mar. 19, 2020
Carrying Value
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Real estate note investment	$ 9,025,995	$ 8,205,862
Series 2019 Preferred Stock	43,710,281	32,932,909
Carrying Value | Berkadia Credit Facility
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Credit facility	35,995,000	35,995,000
Carrying Value | JP Morgan Credit Facility
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Credit facility	34,000,000	35,500,000	$ 50,000,000
Fair Value
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Real estate note investment	9,025,995	8,205,862
Series 2019 Preferred Stock	43,710,281	32,932,909
Fair Value | Berkadia Credit Facility
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Credit facility	36,790,044	38,658,000
Fair Value | JP Morgan Credit Facility
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Credit facility	$ 34,000,000	$ 35,500,000