CONSOLIDATED JOINT VENTURES AND REDEEMABLE NONCONTROLLING INTERESTS (Details)
3 Months Ended 12 Months Ended
Jan. 31, 2017
USD ($)
Investment
shares
Jan. 31, 2016
USD ($)
Oct. 31, 2016
USD ($)
Mar. 28, 2012
Business Acquisition [Line Items]        
Number of real estate joint venture investments | Investment 3      
Redeemable non-controlling interests [Roll Forward]        
Beginning Balance $ 18,253,000 $ 15,955,000 $ 15,955,000  
Change in Redemption Value 681,000 $ 926,000 2,298,000  
Ending Balance $ 18,934,000   $ 18,253,000  
UB Ironbound, LP ("Ironbound") [Member]        
Business Acquisition [Line Items]        
Ownership interest 84.00%      
UB Orangeburg, LLC [Member]        
Business Acquisition [Line Items]        
Ownership interest 33.50%     2.92%
Additional investment in consolidated joint venture $ 4,100,000      
UB Orangeburg, LLC [Member] | Class A Common Stock [Member]        
Business Acquisition [Line Items]        
Number of shares of common stock included in calculation of regular quarterly cash distribution equivalent to annual cash distribution to non-managing member of subsidiary (in shares) | shares 1      
McLean Plaza Associates, LLC [Member]        
Business Acquisition [Line Items]        
Ownership interest 53.00%      
Fixed annual distribution 5.05%