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INVESTMENT SECURITIES (Summary of Amortized Cost and Fair Values of Securities Available For Sale) (Details) - USD ($)
$ in Thousands
Dec. 31, 2020
Sep. 30, 2020
Debt Securities, Available-for-sale [Line Items]    
Amortized Cost $ 14,730 $ 14,442
Gross Unrealized Gains 95 125
Gross Unrealized Losses (27) (6)
Fair Value 14,798 14,561
Obligations of U.S. government enterprises Mortgage-backed securities [Member]    
Debt Securities, Available-for-sale [Line Items]    
Amortized Cost 275 350
Gross Unrealized Gains 14 14
Gross Unrealized Losses
Fair Value 289 364
Obligations of U.S. government-sponsored enterprises Mortgage-backed securities-residential [Member]    
Debt Securities, Available-for-sale [Line Items]    
Amortized Cost 9,455 9,092
Gross Unrealized Gains 80 108
Gross Unrealized Losses (27) (6)
Fair Value 9,508 9,194
Obligations of U.S. government-sponsored enterprises Debt securities [Member]    
Debt Securities, Available-for-sale [Line Items]    
Amortized Cost 5,000 5,000
Gross Unrealized Gains 1 3
Gross Unrealized Losses
Fair Value $ 5,001 $ 5,003