FAIR VALUE MEASUREMENTS - Narrative (Details) £ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2025 USD ($) Derivative	Jun. 30, 2024 USD ($)	Jun. 30, 2025 USD ($) Derivative	Jun. 30, 2024 USD ($)	Jun. 30, 2025 GBP (£) Derivative	Dec. 31, 2024 USD ($)
Financing Receivable, Past Due [Line Items]
Other real estate related investments, fair value adjustments, unrealized gain			$ 3,300,000
Unrealized (gain) loss on other real estate related investments, net	$ (1,968,000)	$ 1,877,000	(3,255,000)	$ 2,489,000
Gain (loss) on interest expense			$ 100,000
Interest rate cap
Financing Receivable, Past Due [Line Items]
Derivative, number of instruments held | Derivative	2		2		2
Notional Amount | £					£ 100.0
Gain (loss) on interest expense	$ 100,000
Forward Contracts
Financing Receivable, Past Due [Line Items]
Derivative, number of instruments held | Derivative	4		4		4
Notional Amount | £					£ 31.0
Weighted average exchange rate (in percent)	134.00%		134.00%		134.00%
Level 3 | Minimum
Financing Receivable, Past Due [Line Items]
Measurement input	0.11		0.11		0.11
Level 3 | Maximum
Financing Receivable, Past Due [Line Items]
Measurement input	0.15		0.15		0.15
Greater than 90 Days Past Due
Financing Receivable, Past Due [Line Items]
Mortgage loan receivable	$ 0		$ 0			$ 0
Secured and Mezzanine Loans Receivable
Financing Receivable, Past Due [Line Items]
Other real estate related investments, fair value adjustments, unrealized gain	$ 2,000,000
Unrealized (gain) loss on other real estate related investments, net		2,400,000		3,200,000
Unrealized gain (loss) on increases in projected forward interest rates		$ 500,000		$ 700,000
Financing receivable | Level 3 | Discount Rate | Discounted cash flow
Financing Receivable, Past Due [Line Items]
Loans receivable, measurement input	0.12		0.12		0.12