VARIABLE INTEREST ENTITIES (Details) - USD ($) $ in Thousands		Sep. 30, 2017	Sep. 30, 2016	Sep. 30, 2015	Sep. 30, 2014
Variable Interest Entity [Line Items]
Real estate properties, net of accumulated depreciation of $64,290 and $41,995		$ 902,281	$ 759,576
Cash and cash equivalents		12,383	27,399	$ 15,556	$ 23,181
Deposits and escrows		27,839	18,972
Other assets		9,359	7,775
Real estate properties held for sale		8,969	33,996
Total Assets	[1]	993,897	874,899
Mortgages payable, net of deferred costs of $6,345 and $5,873		697,826	588,457
Accounts payable and accrued liabilities		22,348	20,716
Mortgage payable held for sale		0	27,052
Total Liabilities	[1]	757,192	673,223
Real estate properties, net of accumulated depreciation		64,290	41,995
Deferred mortgage costs		(6,727)	(6,275)
Variable interest entity
Variable Interest Entity [Line Items]
Real estate properties, net of accumulated depreciation of $64,290 and $41,995		707,546	686,101
Cash and cash equivalents		8,626	11,855
Deposits and escrows		13,873	19,505
Other assets		8,148	3,584
Real estate properties held for sale		8,969	33,996
Total Assets		747,162	755,041
Mortgages payable, net of deferred costs of $6,345 and $5,873		558,568	535,602
Accounts payable and accrued liabilities		14,419	17,893
Mortgage payable held for sale		0	27,052
Total Liabilities		572,987	580,547
Real estate properties, net of accumulated depreciation		52,873	35,525
Mortgages
Variable Interest Entity [Line Items]
Deferred mortgage costs		(6,345)	(5,873)
Mortgages | Variable interest entity
Variable Interest Entity [Line Items]
Deferred mortgage costs		$ (5,170)	$ (4,856)

[1] The Company's consolidated balance sheets include the assets and liabilities of consolidated variable interest entities (VIEs). See note 4. The consolidated balance sheets include the following amounts related to the Company's VIEs as of September 30, 2017 and 2016, respectively: $707,546 and $686,101 of real estate properties, $8,626 and $11,855 of cash and cash equivalents, $13,873 and $19,505 of deposits and escrows, $8,148 and $3,584 of other assets, $8,969 and $33,996 of real estate properties held for sale, $558,568 and $535,602 of mortgages payable, $14,419 and $17,893 of accounts payable and accrued liabilities and $0 and $27,052 of mortgage payable held for sale.