CONSOLIDATED JOINT VENTURES AND REDEEMABLE NONCONTROLLING INTERESTS (Details) (USD $)	6 Months Ended		12 Months Ended
	Apr. 30, 2014	Apr. 30, 2013	Oct. 31, 2013
Business Acquisition [Line Items]
Real Estate Investment Property, Net	$ 610,381,000		$ 576,887,000
Noncontrolling Interest Increase From Business Combination	254,000	1,566,000
Redeemable non-controlling interests [Abstract]
Beginning Balance	11,843,000	11,421,000	11,421,000
Change in Redemption Value	254,000		422,000
Ending Balance	$ 12,097,000		$ 11,843,000
UB Ironbound, LP ("Ironbound") [Member]
Business Acquisition [Line Items]
Ownership interest (in hundredths)	84.00%
Property management and leasing services fees (in hundredths)	2.00%
Ub Orangeburg Llc [Member]
Business Acquisition [Line Items]
Ownership interest (in hundredths)	14.30%