BASIS OF PRESENTATION AND SIGNIFICANT ACCOUNTING POLICIES - Other Assets (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Accounting Policies [Abstract]
Receivable arising from straight line rents	$ 343	$ 336
Accounts receivable, net of allowance	667	523
Real estate related loans receivable	6,208	6,332
Prepaid and other assets	9,693	5,702
Intangible assets, net of accumulated amortization	7,370	1,150
Property and equipment, net of accumulated depreciation	3,370	2,674
Goodwill	866	986
Deferred charges and leasing costs	2,065	1,201
Total Other Assets	30,582	18,904
Amortization of intangible assets	$ 13,500	$ 3,100	$ 2,000