CONSOLIDATED BALANCE SHEETS (USD $) In Thousands, unless otherwise specified	Oct. 31, 2011	Oct. 31, 2010
Statement of Financial Position [Abstract]
Real estate, at cost, net of accumulated depreciation	$ 211,393	$ 210,745
Construction in progress	8,768	9,760
Cash and cash equivalents	6,317	6,769
Tenants' security accounts	1,860	2,005
Receivables arising from straight-lining of rents	4,255	4,014
Accounts receivable, net of allowance for doubtful accounts	1,029	1,858
Secured loans receivable	3,323	3,326
Prepaid expenses and other assets	3,501	3,264
Acquired over market leases and in-place lease costs	388	523
Deferred charges, net	2,386	2,864
Total Assets	243,220	245,128
Mortgages payable	203,275	204,604
Deferred trustee compensation plan	5,667	4,733
Accounts payable and accrued expenses	4,000	2,187
Dividends payable	2,083	2,083
Tenants' security deposits	2,509	2,668
Acquired below market value leases and deferred revenue	3,036	3,319
Total liabilities	220,570	219,594
Commitments and contingencies (Note 5)
Shares of beneficial interest without par value: 8,000,000 shares authorized; 6,993,152 shares issued	24,969	24,969
Treasury stock, at cost: 51,009 shares	(1,135)	(1,135)
Dividends in excess of net income	(9,984)	(7,032)
Total common equity	13,850	16,802
Noncontrolling interests in subsidiaries	8,800	8,732
Total equity	22,650	25,534
Total Liabilities & Equity	$ 243,220	$ 245,128