BASIS OF PRESENTATION AND SIGNIFICANT ACCOUNTING POLICIES - Revenue (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2022	Sep. 30, 2021	Sep. 30, 2022	Sep. 30, 2021
Accounting Policies [Abstract]
Fixed lease income - operating leases	$ 60,851	$ 47,292	$ 176,911	$ 134,817
Variable lease income - operating leases	2,905	2,171	7,728	6,243
Revenue from contracts with customers	1,682	950	4,229	2,657
Total revenue	65,438	50,413	188,868	143,717
Gain on sale of real estate and other investments	$ 0	$ 0	$ 27	$ 26,840