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SECURITIES AVAILABLE FOR SALE (Details Narrative) - USD ($)
$ in Thousands
12 Months Ended
Sep. 30, 2019
Sep. 30, 2018
Sep. 30, 2017
New Accounting Pronouncements or Change in Accounting Principle [Line Items]      
Securities available for sale at fair value $ 185,250 $ 154,921  
Security available for sale, maximum percentage of investment on undepreciated assets 10.00%    
Future percentage of undepreciated assets 5.00%    
Total assets excluding accumulated depreciation $ 2,100,000    
Marketable REIT securities investments $ 185,300    
Future percentage of undepreciated assets 8.70%    
Proceeds from sales or redemptions of securities available for sale   2,600 $ 17,300
Dividend income on securities available for sale $ 15,100 $ 13,100 $ 6,900
Purchase of securities available for sale at fair value 55,000    
Net unrealized losses on securities portfolio 49,400    
Accounting Standards Update 2016-01 [Member]      
New Accounting Pronouncements or Change in Accounting Principle [Line Items]      
Net unrealized losses on securities portfolio $ 24,700