v3.26.1
LOANS RECEIVABLE, NET AND RELATED ALLOWANCE FOR CREDIT LOSSES - Schedule of Individually Evaluated Loans (Details) - USD ($)
$ in Thousands
9 Months Ended 12 Months Ended
Jun. 30, 2026
Sep. 30, 2025
Schedule of Individually Evaluated Loans [Line Items]    
Unpaid principal balance $ 1,686 $ 451
Recorded investment 1,686 451
Allowance for credit losses
One-to-four family residential [Member]    
Schedule of Individually Evaluated Loans [Line Items]    
Unpaid principal balance 213 303
Recorded investment 213 303
Allowance for credit losses
Commercial real estate [Member]    
Schedule of Individually Evaluated Loans [Line Items]    
Unpaid principal balance 507  
Recorded investment 507  
Allowance for credit losses  
Construction and land [Member]    
Schedule of Individually Evaluated Loans [Line Items]    
Unpaid principal balance 820  
Recorded investment 820  
Allowance for credit losses 232  
Home Loans and Lines of Credit [Member]    
Schedule of Individually Evaluated Loans [Line Items]    
Unpaid principal balance 146 148
Recorded investment 146 148
Allowance for credit losses