v3.26.1
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, 2026
USD ($)
Actual
Sep. 30, 2025
USD ($)
Actual
Schedule of Unrealized Losses of Available-for-Sale Securities [Line Items]    
Number of Securities | Actual 12 8
Fair Value $ 17,080 $ 6,810
Unrealized Losses $ (1,085) $ (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 $ 74 $ 82
Unrealized Losses $ (9) $ (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 11 7
Fair Value $ 17,006 $ 6,728
Unrealized Losses (1,076) (1,082)
Less Than 12 Months [Member]    
Schedule of Unrealized Losses of Available-for-Sale Securities [Line Items]    
Fair Value 10,741
Unrealized Losses (78)
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 10,741
Unrealized Losses (78)
12 Months or Greater [Member]    
Schedule of Unrealized Losses of Available-for-Sale Securities [Line Items]    
Fair Value 6,339 6,810
Unrealized Losses (1,007) (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 74 82
Unrealized Losses (9) (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 6,265 6,728
Unrealized Losses $ (998) $ (1,082)