INTANGIBLE LEASE ASSETS AND LIABILITIES - Additional Information (Details) - USD ($)	3 Months Ended
	Mar. 31, 2017	Mar. 31, 2016
Intangible Assets And Liabilities [Line Items]
Amortization Of Intangible Assets And Liabilities	$ 557,000	$ (24,000)
Income Properties Revenue [Member]
Intangible Assets And Liabilities [Line Items]
Amortization Of Intangible Assets And Liabilities	531,000	607,000
Depreciation and amortization
Intangible Assets And Liabilities [Line Items]
Amortization Of Intangible Assets And Liabilities	$ 1,100,000	$ 583,000