VARIABLE INTEREST ENTITIES (Details) - USD ($) $ in Thousands		Sep. 30, 2018	Sep. 30, 2017	Sep. 30, 2016	Sep. 30, 2015
Variable Interest Entity [Line Items]
Real estate investment property, net		$ 1,020,874	$ 902,281
Cash and cash equivalents		27,360	12,383	$ 27,399	$ 15,556
Deposits and escrows		24,458	27,839
Other assets		10,080	9,359
Real estate properties held for sale		38,928	8,969
Total Assets	[1]	1,153,364	993,897
Mortgages payable		792,432	697,826
Accounts payable and accrued liabilities		27,409	22,348
Total Liabilities	[1]	856,879	757,192
Real estate properties, net of accumulated depreciation		85,724	64,290
Deferred mortgage costs		(6,735)	(6,727)
Variable interest entity
Variable Interest Entity [Line Items]
Real estate investment property, net		586,623	707,546
Cash and cash equivalents		6,699	8,626
Deposits and escrows		11,837	13,873
Other assets		6,781	8,148
Real estate properties held for sale		38,852	8,969
Total Assets		650,792	747,162
Mortgages payable		481,569	558,568
Accounts payable and accrued liabilities		12,841	14,419
Mortgage payable held for sale		0	0
Total Liabilities		494,410	572,987
Real estate properties, net of accumulated depreciation		52,873	35,525
Mortgages
Variable Interest Entity [Line Items]
Deferred mortgage costs		(6,373)	(6,345)
Mortgages | Variable interest entity
Variable Interest Entity [Line Items]
Deferred mortgage costs		$ (3,786)	$ (5,170)

[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, 2018 and 2017, respectively: $586,623 and $707,546 of real estate properties, $6,699 and $8,626 of cash and cash equivalents, $11,837 and $13,873 of deposits and escrows, $6,781 and $8,148 of other assets, $38,852 and $8,969 of real estate properties held for sale, $481,569 and $558,568 of mortgages payable, $12,841 and $14,419 of accounts payable and accrued liabilities.