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, 2022	Dec. 31, 2021
Intangible assets:
Intangible lease assets, net	$ 5,010	$ 5,251
Intangible lease liabilities:
Acquired below-market leases, accumulated amortization	996	$ 1,134
Acquired finite lived intangible lease liabilities average useful life		5 years
Acquired below-market leases, net of accumulated amortization of $996 and $1,134, respectively, both with an average useful life of 5 years	168	$ 237
Acquired below-market leases
Intangible lease liabilities:
Acquired below-market leases, net of accumulated amortization of $996 and $1,134, respectively, both with an average useful life of 5 years	168	237
Acquired in-place Leases
Intangible assets:
Intangible lease assets, accumulated amortization	$ 8,463	9,030
Acquired finite lived intangible lease assets average useful life	9 years
Intangible lease assets, net	$ 2,028	2,266
Acquired above-market leases
Intangible assets:
Intangible lease assets, accumulated amortization	$ 30	$ 27
Acquired finite lived intangible lease assets average useful life	6 years	6 years
Intangible lease assets, net	$ 25	$ 28
Trade name and license
Intangible assets:
Intangible lease assets, net	$ 2,957	$ 2,957