Property Loans, Net of Loan Loss Allowances - Additional Information (Details) - USD ($)	1 Months Ended			3 Months Ended	6 Months Ended
	Apr. 30, 2022	Mar. 31, 2022	Jan. 31, 2022	Jun. 30, 2021	Jun. 30, 2022	Jun. 30, 2021	Mar. 31, 2021	Feb. 28, 2021
Property Loans Net Of Loan Loss Allowance [Line Items]
Provision for loans loss allowance				$ 330,116	$ 0	$ 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	$ 1,000,000.0
Amount received as payment in full for outstanding principal and interest on a note receivable			$ 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
Amount received as payment in full for outstanding principal and interest on a note receivable		$ 2,400,000
Accrued interest redemption on notes receivable		$ 4,300,000
Poppy Grove Apartments [Member]
Property Loans Net Of Loan Loss Allowance [Line Items]
Amount to paid for outstanding principal and interest on a note receivable	$ 825,000
Magnolia Heights [Member]
Property Loans Net Of Loan Loss Allowance [Line Items]
Property loan commitments					$ 10,300,000
Legacy Commons At Signal Hills [Member]
Property Loans Net Of Loan Loss Allowance [Line Items]
Property loan commitments				32,200,000		32,200,000
Hilltop At Signal Hills [Member]
Property Loans Net Of Loan Loss Allowance [Line Items]
Property loan commitments				$ 21,200,000		$ 21,200,000