MORTGAGE NOTES PAYABLE, BANK LINES OF CREDIT AND OTHER LOANS (Details) $ in Thousands	1 Months Ended	9 Months Ended
	Jun. 30, 2016 USD ($)	Jul. 31, 2016 USD ($) Bank	Jul. 31, 2015 USD ($)
Line of Credit Facility [Line Items]
Repayments of borrowings on facility		$ 63,750	$ 80,050
Mortgage Loan [Member] | New Ridgeway Mortgage Loan [Member]
Line of Credit Facility [Line Items]
Forward loan commitment, face amount	$ 50,000
Debt instrument, term	10 years
Period of amortization schedule	30 years
Mortgage Loan [Member] | New Ridgeway Mortgage Loan [Member] | Darien, CT Property [Member] | Second Mortgage Lien [Member]
Line of Credit Facility [Line Items]
Mortgage lien granted	$ 10,000
Mortgage Loan [Member] | New Ridgeway Mortgage Loan [Member] | LIBOR [Member]
Line of Credit Facility [Line Items]
Description of variable rate basis	LIBOR
Basis spread on variable rate	1.90%
Interest Rate Swap [Member]
Line of Credit Facility [Line Items]
Fixed annual rate	3.398%
Unsecured Revolving Credit Agreement [Member]
Line of Credit Facility [Line Items]
Maximum borrowing capacity		80,000
BNY, Wells Fargo, Bank of Montreal and Regions Bank [Member]
Line of Credit Facility [Line Items]
Borrowing under revolving credit facility		44,000
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
Number of syndicated banks | Bank		4
Option, maximum borrowing capacity		$ 125,000
Extension period		1 year
Maturity date		Sep. 21, 2016
Covenant compliance		The Company was in compliance with such covenants at July 31, 2016
Repayments of borrowings on facility		$ 63,800
BNY, Wells Fargo, Bank of Montreal and Regions Bank [Member] | Unsecured Revolving Credit Agreement [Member] | Minimum [Member]
Line of Credit Facility [Line Items]
Commitment fee		0.25%
BNY, Wells Fargo, Bank of Montreal and Regions Bank [Member] | Unsecured Revolving Credit Agreement [Member] | Maximum [Member]
Line of Credit Facility [Line Items]
Commitment fee		0.35%
BNY, Wells Fargo, Bank of Montreal and Regions Bank [Member] | Unsecured Revolving Credit Agreement [Member] | Eurodollar [Member]
Line of Credit Facility [Line Items]
Description of variable rate basis		Eurodollar rate
BNY, Wells Fargo, Bank of Montreal and Regions Bank [Member] | Unsecured Revolving Credit Agreement [Member] | Eurodollar [Member] | Minimum [Member]
Line of Credit Facility [Line Items]
Basis spread on variable rate		1.50%
BNY, Wells Fargo, Bank of Montreal and Regions Bank [Member] | Unsecured Revolving Credit Agreement [Member] | Eurodollar [Member] | Maximum [Member]
Line of Credit Facility [Line Items]
Basis spread on variable rate		2.00%
BNY, Wells Fargo, Bank of Montreal and Regions Bank [Member] | Unsecured Revolving Credit Agreement [Member] | The Bank of New York Mellon's Prime Rate [Member]
Line of Credit Facility [Line Items]
Description of variable rate basis		The Bank of New York Mellon's prime lending rate
BNY, Wells Fargo, Bank of Montreal and Regions Bank [Member] | Unsecured Revolving Credit Agreement [Member] | The Bank of New York Mellon's Prime Rate [Member] | Minimum [Member]
Line of Credit Facility [Line Items]
Basis spread on variable rate		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
Life Company [Member] | Non-recourse First Mortgage Loan [Member]
Line of Credit Facility [Line Items]
Debt instrument, face amount		$ 22,700
Fixed interest rate		3.89%
Maturity date		Aug. 01, 2031
REMIC Mortgage [Member]
Line of Credit Facility [Line Items]
Repayment of mortgage payable		$ 7,500