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INVESTMENT SECURITIES (Summary of Amortized Cost and Fair Values of Securities Available For Sale) (Details) - USD ($)
$ in Thousands
Jun. 30, 2020
Sep. 30, 2019
Debt Securities, Available-for-sale [Line Items]    
Amortized Cost $ 16,197 $ 16,643
Gross Unrealized Gains 146 95
Gross Unrealized Losses (3) (35)
Fair Value 16,340 16,703
Obligations of U.S. government enterprises Mortgage-backed securities-residential [Member]    
Debt Securities, Available-for-sale [Line Items]    
Amortized Cost 415 480
Gross Unrealized Gains 17 15
Gross Unrealized Losses
Fair Value 432 495
Obligations of U.S. government-sponsored enterprises Mortgage-backed securities-residential [Member]    
Debt Securities, Available-for-sale [Line Items]    
Amortized Cost 10,782 14,663
Gross Unrealized Gains 128 80
Gross Unrealized Losses (3) (35)
Fair Value 10,907 14,708
Obligations of U.S. government-sponsored enterprises Debt securities [Member]    
Debt Securities, Available-for-sale [Line Items]    
Amortized Cost 5,000 1,500
Gross Unrealized Gains 1
Gross Unrealized Losses
Fair Value $ 5,001 $ 1,500