ORGANIZATION, BASIS OF PRESENTATION AND SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Details) (USD $)	3 Months Ended		6 Months Ended
	Apr. 30, 2014 sqft Property	Apr. 30, 2013	Apr. 30, 2014 OperatingSegment Property sqft	Apr. 30, 2013	Oct. 31, 2013
ORGANIZATION, BASIS OF PRESENTATION AND SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES [Abstract]
Number of core properties sold			1
Number of non-core real estate properties sold			2
Net income of held for sale property included in continuing operations	$ 306,000	$ 372,000	$ 695,000	$ 858,000
Operating expenses of properties held for sale included in continuing operations	(652,000)	(496,000)	(1,070,000)	(1,019,000)
Depreciation and amortization from properties held for sale included in continuing operations	(163,000)	(163,000)	(341,000)	(326,000)
Revenues from continued operations held for sale	1,121,000	1,031,000	2,106,000	2,203,000
Number of properties the Company owned or had equity interest in	67		67
Gross Leasable Area of properties the Company owned or had equity interest in (in square feet)	5,000,000		5,000,000
Minimum real estate trust taxable income required to be distributed for REIT to be nontaxable (in hundredths)			90.00%
Tax years remaining open to examination by Internal Revenue Service			2010 through and including 2013
Earnings Per Share, by Common Class, Including Two Class Method [Line Items]
Net income applicable to common and class A common stockholders - basic	2,881,000	3,086,000	18,646,000	2,380,000
Number of operating industry segment			1
Available For Sale Securities, Equity Securities, Shares Sold	0
Mortgage loans subject to interest rate swap	3,700,000		3,700,000
Fixed annual rate of interest rate swap (in hundredths)	3.95%		3.95%
Accrued assets relating to fair value of Company's interest rate swap	96,750		96,750
Comprehensive income [Abstract]
Net unrealized gains/losses on marketable securities included in accumulated other comprehensive income	11,400		11,400		19,000
Net unrealized gains/losses on an interest rate swap agreement included in accumulated other comprehensive income	96,750		96,750		81,000
Straight-line rents receivable	14,908,000		14,908,000		13,719,000
Number of properties held for sale	1		1
Revenues	0	399,000	141,000	798,000
Property operating expense	0	0	0	0
Depreciation and amortization	0	(17,000)	0	(33,000)
Income from discontinued operations	0	382,000	141,000	765,000
Cash Provided by (Used in) Operating Activities, Discontinued Operations	0	399,000	(12,471,000)	798,000
Cash Provided by (Used in) Investing Activities, Discontinued Operations	0	0	17,401,000	0
Cash Provided by (Used in) Financing Activities, Discontinued Operations	0	0	0	0
Sales price of properties held for sale			18,100,000
Allowance of doubtful accounts against tenants receivables, percentage of deferred straight-line rents receivable	10.00%		10.00%
Gain on sale of properties			12,612,000
Tenants receivable, allowance for doubtful accounts	3,436,000		3,436,000		3,604,000
Buildings [Member] | Minimum [Member]
Property, Plant and Equipment [Line Items]
Estimated useful life (in years)			30 years
Buildings [Member] | Maximum [Member]
Property, Plant and Equipment [Line Items]
Estimated useful life (in years)			40 years
Property Improvements [Member] | Minimum [Member]
Property, Plant and Equipment [Line Items]
Estimated useful life (in years)			10 years
Property Improvements [Member] | Maximum [Member]
Property, Plant and Equipment [Line Items]
Estimated useful life (in years)			20 years
Furniture/Fixtures [Member] | Minimum [Member]
Property, Plant and Equipment [Line Items]
Estimated useful life (in years)			3 years
Furniture/Fixtures [Member] | Maximum [Member]
Property, Plant and Equipment [Line Items]
Estimated useful life (in years)			10 years
Tenant Improvements [Member]
Property, Plant and Equipment [Line Items]
Estimated useful life			Shorter of lease term or their useful life
Common Stock [Member]
Earnings Per Share, by Common Class, Including Two Class Method [Line Items]
Net income applicable to common and class A common stockholders - basic	664,000	701,000	4,297,000	540,000
Restricted Stock awards	43,000	55,000	241,000	38,000
Net income applicable to common stockholders - diluted	707,000	756,000	4,538,000	578,000
Denominator for basic EPS - weighted average common shares	7,800	7,545	7,799	7,544
Restricted stock awards	742	866	644	773
Denominator for diluted EPS - weighted average common equivalent shares	8,542	8,411	8,443	8,317
Class A Common Stock [Member]
Earnings Per Share, by Common Class, Including Two Class Method [Line Items]
Net income applicable to common and class A common stockholders - basic	2,217,000	2,385,000	14,349,000	1,840,000
Restricted Stock awards	(43,000)	(55,000)	(241,000)	(38,000)
Net income applicable to common stockholders - diluted	$ 2,174,000	$ 2,330,000	$ 14,108,000	$ 1,802,000
Denominator for basic EPS - weighted average common shares	23,206	23,121	23,208	23,120
Restricted stock awards	221	246	184	208
Denominator for diluted EPS - weighted average common equivalent shares	23,427	23,367	23,392	23,328