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Commitments and Contingent Liabilities (Details) - USD ($)
Feb. 28, 2023
Sep. 30, 2023
Jun. 30, 2023
Commitments [Abstract]      
Total credit-related financial instruments with off-balance sheet risk   $ 220,492,000 $ 219,575,000
Unfunded Loan Commitments [Member]      
Commitments [Abstract]      
Total credit-related financial instruments with off-balance sheet risk   126,149,000 124,498,000
Allowance for credit losses   1,500,000  
Unused Lines of Credit [Member]      
Commitments [Abstract]      
Total credit-related financial instruments with off-balance sheet risk   94,164,000 94,898,000
Standby Letters of Credit [Member]      
Commitments [Abstract]      
Total credit-related financial instruments with off-balance sheet risk   $ 179,000 179,000
The Bank of Greene County [Member]      
Commitments [Abstract]      
Cash payments under settlement agreement $ 1,150,000    
Settlement agreement waived amount $ 64,500    
Litigation reserved amount     $ 1,150,000