ORGANIZATION (Details)	Jul. 31, 2014 sqft
ORGANIZATION [Abstract]
Percentage of ordinary taxable income that must be distributed to shareholders (in hundredths)	90.00%
Real Estate Properties [Line Items]
Net rentable area (in square feet)	10.3
Multi-family residential properties [Member]
Real Estate Properties [Line Items]
Number of real estate properties	96
Number of apartment units owned	11,080
Commercial properties [Member]
Real Estate Properties [Line Items]
Number of real estate properties	163