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, 2025 USD ($)
Mortgage secured loans receivable
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Loans receivable, book value	$ 677,562
Mortgage secured loans receivable | Minimum
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Loans receivable, measurement input	0.08
Mortgage secured loans receivable | Maximum
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Loans receivable, measurement input	0.13
Mezzanine loans receivable
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Loans receivable, book value	$ 87,889
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	0.14