Property Loans, Net of Loan Loss Allowances - Additional Information (Details) - USD ($)	1 Months Ended					3 Months Ended		9 Months Ended
	Sep. 30, 2022	Apr. 30, 2022	Mar. 31, 2022	Jan. 31, 2022	Aug. 31, 2021	Sep. 30, 2022	Sep. 30, 2021	Sep. 30, 2022	Sep. 30, 2021	Jun. 30, 2022	Mar. 31, 2021	Feb. 28, 2021
Property Loans Net Of Loan Loss Allowance [Line Items]
Provision for loans loss allowance									$ 330,116
Advanced additional funds								84,680,165	19,279,087
Other interest income						$ 4,126,695	$ 401,304	$ 8,465,788	1,026,724
Live 929 Apartments [Member]
Property Loans Net Of Loan Loss Allowance [Line Items]
Provision for loans loss allowance							0		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 property loan				$ 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 property loan			$ 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
Advanced additional funds	$ 900,000
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
Magnolia Crossing [Member]
Property Loans Net Of Loan Loss Allowance [Line Items]
Amount received as payment in full for outstanding principal and interest on a property loan	14,100,000
Cross Creek Property [Member]
Property Loans Net Of Loan Loss Allowance [Line Items]
Amount received as payment in full for outstanding principal and interest on a property loan	11,400,000
Accrued interest redemption on notes receivable	1,700,000
Advanced additional funds					$ 7,700,000
Redemption proceeds received	13,000,000.0
Other interest income	$ 1,700,000
Osprey Village [Member]
Property Loans Net Of Loan Loss Allowance [Line Items]
Property loan commitments							25,500,000		25,500,000
Willow Place Apartments [Member]
Property Loans Net Of Loan Loss Allowance [Line Items]
Property loan commitments							$ 21,400,000		$ 21,400,000
Arbors at Hickory Ridge [Member]
Property Loans Net Of Loan Loss Allowance [Line Items]
Amount received as payment in full for outstanding principal and interest on a property loan					$ 328,000