Commitments and Contingent Liabilities (Details) - USD ($) $ in Thousands	Sep. 08, 2022	Jul. 05, 2022	Jun. 30, 2022	Jun. 30, 2021
Subsequent Event [Member]
Commitments [Abstract]
Brokered deposits received		$ 50,000
Repayment of brokered deposits	$ 50,000
Maximum [Member]
Commitments [Abstract]
Maximum aggregate principal amount of open order to receive brokered deposits			$ 50,000
The Bank of Greene County [Member]
Commitments [Abstract]
Total commitments			299,580	$ 208,406
The Bank of Greene County [Member] | Unfunded Loan Commitments [Member]
Commitments [Abstract]
Total commitments			213,420	121,775
The Bank of Greene County [Member] | Unused Lines of Credit [Member]
Commitments [Abstract]
Total commitments			85,971	86,456
The Bank of Greene County [Member] | Standby Letters of Credit [Member]
Commitments [Abstract]
Total commitments			$ 189	$ 175