BASIS OF PRESENTATION AND SIGNIFICANT ACCOUNTING POLICIES - Other Assets (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Accounting Policies [Abstract]
Receivable arising from straight line rents	$ 556	$ 343
Accounts receivable, net of allowance	217	667
Real estate related loans receivable	5,871	6,208
Prepaid and other assets	8,474	9,693
Intangible assets, net of accumulated amortization	2,112	7,370
Property and equipment, net of accumulated depreciation	3,120	3,370
Goodwill	866	866
Deferred charges and leasing costs	1,471	2,065
Total Other Assets	22,687	30,582
Amortization of intangible assets	$ 12,300	$ 13,500	$ 3,100