FAIR VALUE DISCLOSURES - Narrative (Details) - Discount rate	Mar. 31, 2022
Minimum
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Loans receivable, measurement input	0.07
Preferred equity investments, measurement input	0.10
Maximum
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Loans receivable, measurement input	0.13
Preferred equity investments, measurement input	0.15
Weighted Average
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Loans receivable, measurement input	0.08
Preferred equity investments, measurement input	0.11
Weighted Average | Secured Indebtedness
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Debt, measurement input	0.05