CONDENSED CONSOLIDATED BALANCE SHEETS (Unaudited) (USD $) In Thousands, unless otherwise specified	Jan. 31, 2013	Oct. 31, 2012
Statement of Financial Position [Abstract]
Real estate, at cost, net of accumulated depreciation	$ 206,647	$ 207,982
Construction in progress	8,179	6,102
Assets related to property held for sale	100
Cash and cash equivalents	27,394	10,610
Tenants' security accounts	1,608	1,659
Receivables arising from straight-lining of rents	4,216	4,272
Accounts receivable, net of allowance for doubtful accounts	2,211	2,675
Secured loans receivable	3,323	3,323
Prepaid expenses and other assets	3,380	3,464
Acquired over market leases and in-place lease costs	51	60
Deferred charges, net	3,121	2,153
Interest rate swap contract	277
Total Assets	260,507	242,300
Mortgages payable	219,319	200,420
Deferred trustee compensation plan	6,980	6,712
Accounts payable and accrued expenses, including taxes payable of $0 and $1,965 at January 31, 2013 and October 31, 2012, respectively	2,762	4,136
Liabilities related to property held for sale	12
Dividends payable	2,083	1,389
Tenants' security deposits	2,255	2,325
Deferred revenue and acquired below market value leases	1,305	1,143
Total Liabilities	234,716	216,125
Commitments and contingencies
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	(6,882)	(6,270)
Accumulated other comprehensive income	194
Total common equity	17,146	17,564
Noncontrolling interests in subsidiaries	8,645	8,611
Total equity	25,791	26,175
Total Liabilities and Equity	$ 260,507	$ 242,300