v3.26.1
FAIR VALUE DISCLOSURES - Schedule of Quantitative Information about Assets Measured at Fair Value on a Non-recurring Basis (Details) - USD ($)
$ in Thousands
 9 Months Ended 12 Months Ended
Jun. 30, 2026
Sep. 30, 2025
Schedule of Quantitative Information about Assets Measured at Fair Value on a Non-recurring Basis [Line Items]    
Fair Value Estimate $ 2,167
Individually evaluated loans [Member]    
Schedule of Quantitative Information about Assets Measured at Fair Value on a Non-recurring Basis [Line Items]    
Fair Value Estimate $ 820  
Valuation Techniques Appraisal of collateral  
Unobservable Input [1] Appraisal adjustments (2)  
Range (Weighted Average) -0.8% to -0.8% (-0.8%)  
Other real estate owned [Member]    
Schedule of Quantitative Information about Assets Measured at Fair Value on a Non-recurring Basis [Line Items]    
Fair Value Estimate   $ 2,167
Valuation Techniques   Appraisal
Unobservable Input [2]   Liquidation expenses (1)
Range (Weighted Average)   -1.5% to -1.5% (-1.5%)
[1] Appraisals may be adjusted by management for qualitative factors such as economic conditions and estimated liquidation expenses. The range and weighted average of liquidation expenses and other appraisal adjustments are presented as a percentage of the appraisal.
[2] Fair value is generally determined through independent appraisals for the underlying collateral, which generally include various Level 3 inputs which are not identifiable.