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UNCONSOLIDATED INVESTMENT (Details)
12 Months Ended
Dec. 31, 2018
USD ($)
ft²
Dec. 31, 2017
USD ($)
Dec. 31, 2016
Schedule of Equity Method Investments [Line Items]      
Year Constructed 1998    
Investment's carrying value under the equity method of accounting $ 7,870,000 $ 8,029,000  
Industry Distribution Center II - undivided tenant [Member]      
Schedule of Equity Method Investments [Line Items]      
Equity Method Investment, Ownership Percentage (in hundredths) 50.00% 50.00% 50.00%
Size (in square feet) | ft² 309,000    
Building lease percentage 100.00%    
Investment's carrying value under the equity method of accounting $ 7,870,000 $ 8,029,000  
Industry Distribution Center II [Member]      
Schedule of Equity Method Investments [Line Items]      
Single tenant joint partner ownership (in hundredths) 50.00%