FAIR VALUE MEASUREMENTS - Schedule of Quantitative Information About Unobservable Inputs Related to Level 3 Fair Value Measurements (Details) - Level 3 - Discount Rate - Discounted cash flow $ in Thousands	Sep. 30, 2024 USD ($)
Mortgage secured loans receivable
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Loans receivable, book value	$ 611,627
Mortgage secured loans receivable | Minimum
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Loans receivable, measurement input	0.09
Mortgage secured loans receivable | Maximum
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Loans receivable, measurement input	0.15
Mezzanine loans receivable
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Loans receivable, book value	$ 74,822
Mezzanine loans receivable | Minimum
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Loans receivable, measurement input	0.12
Mezzanine loans receivable | Maximum
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Loans receivable, measurement input	0.15