INTANGIBLES (Summary of Intangible Assets and Liabilities) (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Goodwill and Intangible Assets Disclosure [Abstract]
Indefinite lived intangibles	$ 25,028	$ 25,028
Goodwill	1,307	1,307
Acquired Finite-Lived Intangible Assets [Line Items]
Total indefinite lived intangibles	26,335	26,335
Total amortizing intangibles	54,095	59,871
Amortization/accretion of intangible assets/liabilities	5,800	2,100	$ 6,000
Other intangibles
Acquired Finite-Lived Intangible Assets [Line Items]
Gross Asset	9,251	10,278
Accumulated (Amortization)	(2,991)	(3,338)
Net Carrying Amount	6,260	6,940
Tenant Leases in-place value
Acquired Finite-Lived Intangible Assets [Line Items]
Gross Asset	63,584	66,606
Accumulated (Amortization)	(14,423)	(12,135)
Net Carrying Amount	49,161	54,471
Tenant Leases above Market
Acquired Finite-Lived Intangible Assets [Line Items]
Gross Asset	1,985	2,247
Accumulated (Amortization)	(1,670)	(1,691)
Net Carrying Amount	315	556
Tenant Leases below Market
Acquired Finite-Lived Intangible Assets [Line Items]
Gross Liability	(4,839)	(7,008)
Accumulated Accretion	3,198	4,912
Net Carrying Amount	$ (1,641)	$ (2,096)