COMMERCIAL LOAN INVESTMENTS - Summary of Commercial Loan Investments (Details) - USD ($)			9 Months Ended
	Jul. 05, 2019	Jun. 14, 2019	Sep. 30, 2019
Mortgage Loans On Real Estate [Line Items]
Original Face Amount			$ 32,500,000
Current Face Amount			32,500,000
Carrying Value			32,419,693
First Mortgage, 72-Acre Land Parcel, Orlando, FL
Mortgage Loans On Real Estate [Line Items]
Original Face Amount		$ 8,000,000	8,000,000
Current Face Amount			8,000,000
Carrying Value			$ 7,887,650
Interest rate (as a percent)		12.00%	12.00%
Mortgage Note, 400 Josephine Street, Austin, TX
Mortgage Loans On Real Estate [Line Items]
Original Face Amount	$ 8,300,000		$ 8,250,000
Current Face Amount			8,250,000
Carrying Value			$ 8,187,282
Interest rate (as a percent)	11.50%		11.50%
Ground Lease Loan, 400 Josephine Street, Austin, TX
Mortgage Loans On Real Estate [Line Items]
Original Face Amount	$ 16,250,000		$ 16,250,000
Current Face Amount			16,250,000
Carrying Value			$ 16,344,761