SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - Narrative (Details)	12 Months Ended
	Dec. 31, 2024 USD ($) reportable_segment investment	Dec. 31, 2024 USD ($) investment	Dec. 31, 2024 USD ($) loan investment	Dec. 31, 2024 USD ($) investment segment	Dec. 31, 2023 USD ($)	Dec. 31, 2022 USD ($) loan
Accounting Policies [Line Items]
Payment for lease incentive		$ 2,900,000
Recovery of previously reserved rent		0			$ 0
Adjustment for collectibility of rental income		0			0	$ 1,417,000
Impairment of real estate investments		$ 42,225,000			36,301,000	79,062,000
Number of preferred equity investment | investment	3	3	3	3
Expected credit loss		$ 4,900,000			0	3,844,000
Provision for loan losses, net		4,900,000			0	3,844,000
Accumulated amortization of deferred financing costs	$ 3,300,000	3,300,000	$ 3,300,000	$ 3,300,000	4,800,000
Loss on extinguishment of debt		657,000			0	0
Stock-based compensation expense		$ 6,130,000			5,153,000	$ 5,758,000
Reportable segment	1			1
Mortgage secured loans receivable
Accounting Policies [Line Items]
Number of loans | loan			15
Mezzanine loan receivable
Accounting Policies [Line Items]
Number of loans | loan			5
Other loans receivable
Accounting Policies [Line Items]
Number of loans | loan						2
Bridge loan
Accounting Policies [Line Items]
Provision for loan losses, net					$ 0	$ 4,600,000
Allowance for credit loss, writeoff, after recovery						$ 800,000