INTANGIBLES (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2016
Intangible assets and liabilities
Indefinite lived intangibles	$ 25,028	$ 25,028
Goodwill	1,307	1,307
Total indefinite lived intangibles	26,335	26,335
Total amortizing intangibles	29,313	35,523
Amortization/accretion of intangible assets and liabilities	6,000	8,900	$ 6,300
Estimated future amortization
2019	2,300
2020	2,300
2021	1,700
2022	1,300
Thereafter	21,700
Other Intangible Asset
Intangible assets and liabilities
Gross Assets	10,278	10,278
Accumulated Amortization	(2,658)	(1,812)
Net Carrying Amount	7,620	8,466
Leases, Acquired-in-Place
Intangible assets and liabilities
Gross Assets	19,966	22,304
Accumulated Amortization	(13,427)	(11,483)
Net Carrying Amount	6,539	10,821
Tenant Leases above Market
Intangible assets and liabilities
Gross Assets	3,313	4,171
Accumulated Amortization	(2,269)	(2,523)
Net Carrying Amount	1,044	1,648
Tenant Leases below Market
Intangible assets and liabilities
Gross Liability	(7,326)	(6,454)
Accumulated Accretion	3,140	2,688
Net Carrying Amount	(4,186)	(3,766)
Ground Leases above Market
Intangible assets and liabilities
Indefinite lived intangible liabilities	0
Gross Liability		(293)
Accumulated Accretion		0
Net Carrying Amount	1,044	1,648
Net Carrying Amount		(293)
Ground Leases below Market
Intangible assets and liabilities
Gross Assets	23,096	23,096
Accumulated Amortization	(4,800)	(4,449)
Net Carrying Amount	$ 18,296	$ 18,647