CONSOLIDATED BALANCE SHEETS (USD $) In Thousands, unless otherwise specified	Oct. 31, 2012	Oct. 31, 2011
Statement of Financial Position [Abstract]
Real estate, at cost, net of accumulated depreciation	$ 207,982	$ 211,393
Construction in progress	6,102	8,768
Cash and cash equivalents	10,610	6,317
Tenants' security accounts	1,659	1,860
Receivables arising from straight-lining of rents	4,272	4,255
Accounts receivable, net of allowance for doubtful accounts	2,675	1,029
Secured loans receivable	3,323	3,323
Prepaid expenses and other assets	3,464	3,501
Acquired over market leases and in-place lease costs	60	388
Deferred charges, net	2,153	2,386
Total Assets	242,300	243,220
Mortgages payable	200,420	203,275
Deferred trustee compensation plan	6,712	5,667
Accounts payable and accrued expenses, including taxes payable of $1,965 at October 31, 2012	4,136	4,000
Dividends payable	1,389	2,083
Tenants' security deposits	2,325	2,509
Deferred revenue and acquired below market value leases	1,143	3,036
Total Liabilities	216,125	220,570
Commitments and contingencies (Note 6)
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	(6,270)	(9,984)
Total common equity	17,564	13,850
Noncontrolling interests in subsidiaries	8,611	8,800
Total equity	26,175	22,650
Total Liabilities and Equity	$ 242,300	$ 243,220