OTHER INTANGIBLE ASSETS AND LIABILITIES - Intangible Assets and Liabilities and Related Accumulated Amortization and Accretion (Details) - USD ($) $ in Thousands	3 Months Ended	12 Months Ended
	Mar. 31, 2024	Dec. 31, 2023
Intangible assets:
Intangible assets, net	$ 3,852	$ 3,948
Acquired in-place leases
Intangible assets:
Intangible lease assets, accumulated amortization	$ 4,915	$ 4,821
Acquired finite lived intangible lease assets average useful life	6 years	6 years
Intangible assets, net	$ 890	$ 984
Acquired above-market leases
Intangible assets:
Intangible lease assets, accumulated amortization	$ 32	$ 30
Acquired finite lived intangible lease assets average useful life	7 years	7 years
Intangible assets, net	$ 5	$ 7
Trade name and license
Intangible assets:
Intangible assets, net	$ 2,957	$ 2,957