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UNREALIZED LOSSES ON INVESTMENT SECURITIES AVAILABLE-FOR-SALE - Schedule of Unrealized Losses of Available-for-Sale Securities (Details)
$ in Thousands
 6 Months Ended 12 Months Ended
Mar. 31, 2026
USD ($)
Actual
Sep. 30, 2025
USD ($)
Actual
Schedule of Unrealized Losses of Available-for-Sale Securities [Line Items]    
Number of Securities | Actual 11 8
Fair Value $ 12,507 $ 6,810
Unrealized Losses $ (1,015) $ (1,090)
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 | Actual 1 1
Fair Value $ 78 $ 82
Unrealized Losses $ (8) $ (8)
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 | Actual 10 7
Fair Value $ 12,429 $ 6,728
Unrealized Losses (1,007) (1,082)
Less Than 12 Months [Member]    
Schedule of Unrealized Losses of Available-for-Sale Securities [Line Items]    
Fair Value 5,948
Unrealized Losses (34)
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 0
Unrealized Losses 0
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
Unrealized Losses
12 Months or Greater [Member]    
Schedule of Unrealized Losses of Available-for-Sale Securities [Line Items]    
Fair Value 6,559 6,810
Unrealized Losses (981) (1,090)
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 78 82
Unrealized Losses (8) (8)
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 6,481 6,728
Unrealized Losses $ (973) $ (1,082)