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UNREALIZED LOSSES ON INVESTMENT SECURITIES AVAILABLE-FOR-SALE - Schedule of Unrealized Losses of Available-for-Sale Securities (Details)
$ in Thousands
 9 Months Ended 12 Months Ended
Jun. 30, 2025
USD ($)
Sep. 30, 2024
USD ($)
Schedule of Unrealized Losses of Available-for-Sale Securities [Line Items]    
Number of Securities 10 9
Fair Value $ 8,957 $ 7,638
Unrealized Losses $ (1,198) $ (1,208)
Mortgage-backed securities - residential [Member] | Obligations of U.S. government agencies [Member]    
Schedule of Unrealized Losses of Available-for-Sale Securities [Line Items]    
Number of Securities 1 1
Fair Value $ 82 $ 88
Unrealized Losses $ (9) $ (6)
Mortgage-backed securities - residential [Member] | Obligations of U.S. government-sponsored enterprises [Member]    
Schedule of Unrealized Losses of Available-for-Sale Securities [Line Items]    
Number of Securities 9 8
Fair Value $ 8,875 $ 7,550
Unrealized Losses (1,189) (1,202)
Less Than 12 Months [Member]    
Schedule of Unrealized Losses of Available-for-Sale Securities [Line Items]    
Fair Value 1,857
Unrealized Losses
Less Than 12 Months [Member] | Mortgage-backed securities - residential [Member] | Obligations of U.S. government agencies [Member]    
Schedule of Unrealized Losses of Available-for-Sale Securities [Line Items]    
Fair Value
Unrealized Losses
Less Than 12 Months [Member] | Mortgage-backed securities - residential [Member] | Obligations of U.S. government-sponsored enterprises [Member]    
Schedule of Unrealized Losses of Available-for-Sale Securities [Line Items]    
Fair Value 1,857
Unrealized Losses
12 Months or Greater [Member]    
Schedule of Unrealized Losses of Available-for-Sale Securities [Line Items]    
Fair Value 7,100 7,638
Unrealized Losses (1,198) (1,208)
12 Months or Greater [Member] | Mortgage-backed securities - residential [Member] | Obligations of U.S. government agencies [Member]    
Schedule of Unrealized Losses of Available-for-Sale Securities [Line Items]    
Fair Value 82 88
Unrealized Losses (9) (6)
12 Months or Greater [Member] | Mortgage-backed securities - residential [Member] | Obligations of U.S. government-sponsored enterprises [Member]    
Schedule of Unrealized Losses of Available-for-Sale Securities [Line Items]    
Fair Value 7,018 7,550
Unrealized Losses $ (1,189) $ (1,202)