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ACQUISITION OF CITIZENS BANK OF CAPE VINCENT (Details)
12 Months Ended
Sep. 16, 2022
USD ($)
item
Sep. 30, 2023
USD ($)
Sep. 30, 2022
USD ($)
Business Acquisition [Line Items]      
Goodwill   $ 4,237,000 $ 3,956,000
Citizens Bank of Cape Vincent      
Business Acquisition [Line Items]      
Cash entitled for each share of common stock held $ 1,056.11    
Amount paid in cash $ 8,449,000    
Number of branches located | item 3    
Fair value of the assets acquired $ 81,895,000    
Loans 37,000,000.0    
Deposits 77,188,000    
Adjustments of deferred tax asset   (281,000)  
Adjustment of Goodwill   $ 281,000  
Goodwill $ 4,237,000