MORTGAGE NOTES PAYABLE, BANK LINES OF CREDIT AND OTHER LOANS (Details) (USD $)	12 Months Ended
	Oct. 31, 2014	Oct. 31, 2013	Oct. 31, 2012
Debt Instrument [Line Items]
Minimum effective interest rate (in hundredths)	2.80%
Maximum effective interest rate (in hundredths)	11.30%
Real estate investments held as collateral	$ 333,000,000
Principal Repayments [Abstract]
2014	7,253,000
2015	14,684,000
2016	49,524,000
2017	0
2018	26,879,000
Thereafter	78,565,000
Total principal repayments	176,905,000
Scheduled Amortization [Abstract]
2014	4,591,000
2015	4,597,000
2016	4,253,000
2017	3,178,000
2018	2,840,000
Thereafter	8,783,000
Total scheduled amortization	28,242,000
Total [Abstract]
2014	11,844,000
2015	19,281,000
2016	53,777,000
2017	3,178,000
2018	29,719,000
Thereafter	87,348,000
Total principal and scheduled amortization of debt	205,147,000	166,246,000
Interest paid	10,300,000	8,500,000	8,600,000
Real estate pledged as collateral at fair value	333,000,000
BNY, Wells Fargo, Bank of Montreal and Regions Bank [Member] | Unsecured Revolving Credit Agreement [Member]
Line of Credit Facility [Line Items]
Maximum borrowing capacity	80,000,000
Option, maximum borrowing capacity	125,000,000
Maturity date	Sep. 21, 2016
Number of syndicated banks	4
Optional extension period of credit facility	1 year
Covenant terms	The Company's ability to borrow under the Facility is subject to its compliance with the covenants and other restrictions on an ongoing basis. The principal financial covenants limit the Company's level of secured and unsecured indebtedness and additionally require the Company to maintain certain debt coverage ratios.
Covenant compliance	The Company was in compliance with such covenants at October 31, 2014.
Minimum commitment fee (in hundredths)	0.25%
Maximum commitment fee (in hundredths)	0.35%
Extension period	1
Borrowing on unsecured revolving credit facility used to finance investment	65,100,000
Repayments of borrowings on facility	58,800,000
BNY, Wells Fargo, Bank of Montreal and Regions Bank [Member] | Unsecured Revolving Credit Agreement [Member] | Eurodollar Rate Basis [Member]
Line of Credit Facility [Line Items]
Minimum basis spread on variable interest rate (in hundredths)	1.50%
Maximum basis spread on variable interest rate (in hundredths)	2.00%
BNY, Wells Fargo, Bank of Montreal and Regions Bank [Member] | Unsecured Revolving Credit Agreement [Member] | Prime Rate Basis [Member]
Line of Credit Facility [Line Items]
Basis spread on variable rate (in hundredths)	0.50%
BNY, Wells Fargo, Bank of Montreal and Regions Bank [Member] | Letter of Credit [Member]
Line of Credit Facility [Line Items]
Maximum borrowing capacity	10,000,000
The Bank of New York Mellon [Member] | Unsecured Term Loan [Member]
Line of Credit Facility [Line Items]
Mortgage Loans on Real Estate, Carrying Amount of Mortgages	25,000,000
Minimum basis spread on variable interest rate (in hundredths)	1.40%
Maximum basis spread on variable interest rate (in hundredths)	1.90%
Interest rate description	Eurodollar rate plus 1.4% to 1.9%
Extension period	6 months
BNY and Wells Fargo Member [Member] | Unsecured Revolving Credit Agreement [Member]
Line of Credit Facility [Line Items]
Borrowing on unsecured revolving credit facility used to finance investment		38,400,000
Repayments of borrowings on facility		40,700,000
Ferry Plaza Shopping Center [Member]
Total [Abstract]
Cost of installation of solar power system			1,700,000
Retail Properties [Member]
Total [Abstract]
Stated interest rate (in hundredths)	4.20%
Loans Payable [Member] | Ferry Plaza Shopping Center [Member]
Total [Abstract]
Maturity date			Aug. 31, 2027
Proceeds from related party debt			1,100,000
Stated interest rate (in hundredths)	11.30%
First Mortgage [Member] | Greenwich Properties [Member]
Total [Abstract]
Maturity date		Nov. 30, 2024
Stated interest rate (in hundredths)		4.07%
First mortgage secured by property		24,500,000
First Mortgage [Member] | New Providence Property [Member]
Total [Abstract]
Maturity date	Jan. 31, 2022
Stated interest rate (in hundredths)		4.00%
First mortgage secured by property		21,300,000
First Mortgage [Member] | Veteran's Plaza Property [Member]
Total [Abstract]
Debt repaid at maturitiy	3,200,000
First Mortgage [Member] | New Milford [Member]
Total [Abstract]
Maturity date			Oct. 31, 2012
Debt repaid at maturitiy			8,300,000
First Mortgage [Member] | Eastchester, NY 2 [Member]
Total [Abstract]
Maturity date			Apr. 30, 2012
First mortgage secured by property		3,600,000
First Mortgage [Member] | Orangeburg NY [Member]
Debt Instrument [Line Items]
Effective interest rate (in hundredths)		2.04%
Total [Abstract]
Maturity date			Oct. 31, 2017
Stated interest rate (in hundredths)		6.19%
Period of extended loan			5 years
Adjusted fixed rate (in hundredths)		2.78%
First mortgage secured by property		7,400,000
First Mortgage [Member] | Post Road Properties [Member]
Total [Abstract]
Maturity date		Aug. 31, 2016
Stated interest rate (in hundredths)		4.00%
First mortgage secured by property		8,300,000
First Mortgage [Member] | Retail Properties [Member]
Total [Abstract]
Maturity date	Jan. 31, 2027
Stated interest rate (in hundredths)	3.85%
First mortgage secured by property	62,700,000
Monthly Mortgage Payment	294,000
Good Faith and Margin Deposits with Broker-Dealers	628,000
First Mortgage [Member] | Boonton [Member]
Total [Abstract]
Maturity date	Sep. 30, 2022
Debt assumed on acquisition	7,800,000
First Mortgage [Member] | Bloomfield [Member]
Total [Abstract]
Maturity date	Aug. 31, 2016
Debt assumed on acquisition	7,700,000
Stated interest rate (in hundredths)	5.50%
First Mortgage [Member] | McLean Plaza Associates [Member]
Total [Abstract]
Maturity date	Dec. 31, 2014
Debt assumed on acquisition	2,800,000
Unsecured Term Loan [Member]
Total [Abstract]
Loan Term	6 months
Refinanced First Mortgage [Member] | Arcadian [Member]
Total [Abstract]
Maturity date	Aug. 31, 2024
Stated interest rate (in hundredths)	3.995%
First mortgage secured by property	16,200,000
Refinanced First Mortgage [Member] | McLean Plaza Associates [Member]
Total [Abstract]
Maturity date	Nov. 30, 2024
Stated interest rate (in hundredths)	3.70%
First mortgage secured by property	5,000,000
Dock Mortgage [Member]
Total [Abstract]
Adjusted fixed rate (in hundredths)		4.85%
First mortgage secured by property		$ 28,000,000
Loan Term			10 years
Mortgage Amortization Period (in years)			30