INTANGIBLE ASSETS AND LIABILITIES - Summary of Intangible Assets and Liabilities (Details) - USD ($) $ in Thousands	Sep. 30, 2022	Dec. 31, 2021
Intangible Assets [Line Items]
Total Cost	$ 57,018	$ 73,029
Accumulated Amortization	(36,547)	(44,473)
Intangible Assets, net	20,471	28,556
Total Cost	21,128	27,025
Accumulated Amortization	(10,389)	(14,044)
Intangible Liabilities, net	10,739	12,981
Continuing Operations
Intangible Assets [Line Items]
Total Cost	56,213
Accumulated Amortization	(35,830)
Intangible Assets, net	20,383
Total Cost	20,985
Accumulated Amortization	(10,262)
Intangible Liabilities, net	10,723
Discontinued Operations
Intangible Assets [Line Items]
Total Cost	805
Accumulated Amortization	(717)
Intangible Assets, net	88
Total Cost	143
Accumulated Amortization	(127)
Intangible Liabilities, net	16
In-place lease value
Intangible Assets [Line Items]
Total Cost	56,520	72,376
Accumulated Amortization	(36,237)	(44,066)
Intangible Assets, net	20,283	28,310
Tenant relationship value
Intangible Assets [Line Items]
Total Cost	167	167
Accumulated Amortization	(102)	(97)
Intangible Assets, net	65	70
Above market leases acquired
Intangible Assets [Line Items]
Total Cost	331	486
Accumulated Amortization	(208)	(310)
Intangible Assets, net	$ 123	$ 176