REAL ESTATE PROPERTY HELD FOR SALE (Details) - USD ($) $ in Thousands			12 Months Ended
	Nov. 07, 2018	Oct. 25, 2017	Sep. 30, 2018	Sep. 30, 2017	Sep. 30, 2016
Real Estate [Line Items]
Proceeds from the sale of real estate owned			$ 169,115	$ 167,013	$ 197,264
North Charleston, SC | Subsequent Event
Real Estate [Line Items]
Proceeds from the sale of real estate owned	$ 38,852
Estimated gains (losses) on sales of real estate held for sale	12,000
Estimated proceeds from sale of property held-for-sale, portion allocated to minority partners	$ 6,300
Melbourne, FL
Real Estate [Line Items]
Proceeds from the sale of real estate owned		$ 8,969