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INVESTMENT HELD FOR SALE Investment held for sale (Details) - USD ($)
$ in Thousands
12 Months Ended
Sep. 30, 2018
Sep. 30, 2017
Investment in Land [Line Items]    
Impairment of assets $ 202 $ 155
Residential parcel    
Investment in Land [Line Items]    
Proceeds from Sale of Property Held-for-sale 1,000  
Land investment | Operating segments    
Investment in Land [Line Items]    
Impairment of assets $ 37 $ 155