Property Loans, Net of Loan Loss Allowances - Additional Information (Details) - USD ($)	3 Months Ended		6 Months Ended
	Jun. 30, 2021	Jun. 30, 2020	Jun. 30, 2021	Jun. 30, 2020	Aug. 31, 2019
Property Loans Net Of Loan Loss Allowance [Line Items]
Provision for loans loss allowance	$ 330,116		$ 330,116
Live 929 Apartments [Member]
Property Loans Net Of Loan Loss Allowance [Line Items]
Provision for loans loss allowance	330,000		330,000
Total property loan amount	1,500,000		1,500,000		$ 1,000,000.0
Ohio Properties [Member]
Property Loans Net Of Loan Loss Allowance [Line Items]
Interest earned on property loan principal	$ 983,000	$ 983,000	$ 983,000	$ 983,000