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INCOME TAXES (Details) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2017 USD ($) mall	Sep. 30, 2016 USD ($)	Sep. 30, 2017 USD ($) mall	Sep. 30, 2016 USD ($)
Income Tax Contingency [Line Items]
Income tax expense	$ (318)	$ (319)	$ (942)	$ (349)
Puerto Rico
Income Tax Contingency [Line Items]
Number of malls | mall	2		2
Vornado
Income Tax Contingency [Line Items]
Percentage of taxable income distributed as dividends to stockholders			100.00%
Commonwealth of Puerto Rico
Income Tax Contingency [Line Items]
Non-resident withholding tax percentage			29.00%
Income tax expense	$ (300)	$ (300)	$ (900)	$ (300)

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Amount of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations.

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Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 740
-SubTopic 10
-Section 50
-Paragraph 9
-Subparagraph (a),(b)
-URI http://asc.fasb.org/extlink&oid=84230637&loc=d3e32639-109319

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 235
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.4-08.(h))
-URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e23780-122690

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