INTANGIBLE ASSETS AND LIABILITIES - Intangible Assets and Liabilities (Details) - USD ($) $ in Thousands	Mar. 31, 2022	Dec. 31, 2021
Intangible Assets [Line Items]
Intangible assets, total cost	$ 64,254	$ 73,029
Intangible assets, accumulated amortization	(38,674)	(44,473)
Intangible Assets, net	25,580	28,556
Intangible liabilities, total cost	24,485	27,025
Intangible liabilities, accumulated amortization	(12,400)	(14,044)
Intangible Liabilities, net	12,085	12,981
In-place lease value
Intangible Assets [Line Items]
Intangible assets, total cost	63,601	72,376
Intangible assets, accumulated amortization	(38,245)	(44,066)
Intangible Assets, net	25,356	28,310
Tenant relationship value
Intangible Assets [Line Items]
Intangible assets, total cost	167	167
Intangible assets, accumulated amortization	(98)	(97)
Intangible Assets, net	69	70
Above market leases acquired
Intangible Assets [Line Items]
Intangible assets, total cost	486	486
Intangible assets, accumulated amortization	(331)	(310)
Intangible Assets, net	$ 155	$ 176