FAIR VALUE OF FINANCIAL INSTRUMENTS - Summary of Quantitative Information about Level 2 & 3 (Details) $ in Thousands	Dec. 31, 2021 USD ($)
Sales Contract | OPOP Tower and Lofts, St. Louis, MO | Level 2
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Non-Financial Assets: Long-Lived assets:	$ 3,000
Discounted cash flow | Vacant land - South Daytona Beach, FL | Level 3
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Non-Financial Assets: Long-Lived assets:	$ 4,379
Discounted cash flow | Vacant land - South Daytona Beach, FL | Measurement Input, Discount Rate | Level 3
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Non-binding sales contract /Discount rate	0.125