FAIR VALUE MEASUREMENTS - Narrative (Details)	3 Months Ended		9 Months Ended
	Sep. 30, 2023 USD ($) loan	Sep. 30, 2022 USD ($)	Sep. 30, 2023 USD ($) loan	Sep. 30, 2022 USD ($)	Dec. 31, 2022 USD ($)
Financing Receivable, Past Due [Line Items]
Unrealized losses on other real estate related investments, net	$ 5,251,000	$ 4,706,000	$ 7,856,000	$ 4,706,000
Mortgage loan receivable	181,175,000		181,175,000		$ 156,368,000
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]
Unrealized losses on other real estate related investments, net	$ 5,300,000		8,100,000
Unrealized loss on origination fee paid			300,000
Partial offset loss			$ 500,000
Real Estate Secured and Mortgage Loans Receivable
Financing Receivable, Past Due [Line Items]
Number of loans | loan	4		5
Real Estate Secured and Mezzanine Loans Receivable
Financing Receivable, Past Due [Line Items]
Number of loans | loan	1		1