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FAIR VALUE DISCLOSURES - Schedule of Assets Measured at Fair Value on a Recurring Basis (Details) - USD ($)
$ in Thousands
Mar. 31, 2026
Sep. 30, 2025
Obligations of U.S. government agencies:    
Total securities available for sale $ 31,056 $ 21,182
Fair Value, Recurring [Member]    
Obligations of U.S. government agencies:    
Corporate securities 6,791 6,787
Total securities available for sale 31,056 21,182
Derivative assets 594 911
Total assets 31,650 22,093
Derivative liabilities 594 911
Total Liabilities 594 911
Fair Value, Recurring [Member] | Fair Value, Inputs, Level 1 [Member]    
Obligations of U.S. government agencies:    
Corporate securities
Total securities available for sale
Derivative assets
Total assets
Derivative liabilities
Total Liabilities
Fair Value, Recurring [Member] | Fair Value, Inputs, Level 2 [Member]    
Obligations of U.S. government agencies:    
Corporate securities 6,791 6,787
Total securities available for sale 31,056 21,182
Derivative assets 594 911
Total assets 31,650 22,093
Derivative liabilities 594 911
Total Liabilities 594 911
Fair Value, Recurring [Member] | Fair Value, Inputs, Level 3 [Member]    
Obligations of U.S. government agencies:    
Corporate securities
Total securities available for sale
Derivative assets
Total assets
Derivative liabilities
Total Liabilities
Fair Value, Recurring [Member] | Obligations of U.S. government enterprises Mortgage-backed securities [Member]    
Obligations of U.S. government agencies:    
Mortgage-backed securities-residential 6,027 82
Fair Value, Recurring [Member] | Obligations of U.S. government enterprises Mortgage-backed securities [Member] | Fair Value, Inputs, Level 1 [Member]    
Obligations of U.S. government agencies:    
Mortgage-backed securities-residential
Fair Value, Recurring [Member] | Obligations of U.S. government enterprises Mortgage-backed securities [Member] | Fair Value, Inputs, Level 2 [Member]    
Obligations of U.S. government agencies:    
Mortgage-backed securities-residential 6,027 82
Fair Value, Recurring [Member] | Obligations of U.S. government enterprises Mortgage-backed securities [Member] | Fair Value, Inputs, Level 3 [Member]    
Obligations of U.S. government agencies:    
Mortgage-backed securities-residential
Fair Value, Recurring [Member] | Obligations of U.S. government-sponsored enterprises Mortgage-backed securities-residential [Member]    
Obligations of U.S. government agencies:    
Mortgage-backed securities-residential 18,238 14,313
Fair Value, Recurring [Member] | Obligations of U.S. government-sponsored enterprises Mortgage-backed securities-residential [Member] | Fair Value, Inputs, Level 1 [Member]    
Obligations of U.S. government agencies:    
Mortgage-backed securities-residential
Fair Value, Recurring [Member] | Obligations of U.S. government-sponsored enterprises Mortgage-backed securities-residential [Member] | Fair Value, Inputs, Level 2 [Member]    
Obligations of U.S. government agencies:    
Mortgage-backed securities-residential 18,238 14,313
Fair Value, Recurring [Member] | Obligations of U.S. government-sponsored enterprises Mortgage-backed securities-residential [Member] | Fair Value, Inputs, Level 3 [Member]    
Obligations of U.S. government agencies:    
Mortgage-backed securities-residential