OTHER INTANGIBLE ASSETS AND LIABILITIES - Intangible Assets and Liabilities and Related Accumulated Amortization and Accretion (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020
Intangible assets:
Intangible lease assets, net	$ 5,251	$ 6,313
Intangible lease liabilities:
Acquired below-market leases, net of accumulated amortization of $1,134 and $1,786, respectively, with an average useful life of 5 and 4 years, respectively	237	587
Acquired Below Market Leases
Intangible lease liabilities:
Acquired below-market leases, net of accumulated amortization of $1,134 and $1,786, respectively, with an average useful life of 5 and 4 years, respectively	237	587
Acquired below-market leases, accumulated amortization	$ 1,134	$ 1,786
Acquired finite lived intangible lease liabilities average useful life	5 years	4 years
Acquired in-place Leases
Intangible assets:
Intangible lease assets, net	$ 2,266	$ 3,316
Intangible lease assets, accumulated amortization	$ 9,030	$ 9,228
Acquired finite lived intangible lease assets average useful life	9 years	8 years
Above Market Leases
Intangible assets:
Intangible lease assets, net	$ 28	$ 40
Intangible lease assets, accumulated amortization	$ 27	$ 15
Acquired finite lived intangible lease assets average useful life	6 years	6 years
Trade name and license
Intangible assets:
Intangible lease assets, net	$ 2,957	$ 2,957