FAIR VALUE MEASUREMENTS - Financial assets on nonrecurring basis (Details) - Nonrecurring - USD ($) $ in Thousands	Jun. 30, 2026	Sep. 30, 2025
FAIR VALUE MEASUREMENTS
Individually Evaluated Loans (collateral dependent)		$ 45
Foreclosed Real Estate, Net	$ 48	105
Significant Unobservable Inputs (Level 3)
FAIR VALUE MEASUREMENTS
Individually Evaluated Loans (collateral dependent)		45
Foreclosed Real Estate, Net	$ 48	$ 105

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 815
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Reference 3: http://www.xbrl.org/2003/role/disclosureRef
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