Commitments and Contingent Liabilities (Details) - The Bank of Greene County [Member] - USD ($)	Feb. 28, 2023	Mar. 31, 2023	Dec. 31, 2022
Commitments [Abstract]
Total commitments		$ 189,108,000	$ 299,580,000
Cash payments under settlement agreement	$ 1,150,000
Settlement agreement waived amount	$ 64,500
Litigation reserved amount			1,150,000
Unfunded Loan Commitments [Member]
Commitments [Abstract]
Total commitments		96,111,000	213,420,000
Unused Lines of Credit [Member]
Commitments [Abstract]
Total commitments		92,108,000	85,971,000
Standby Letters of Credit [Member]
Commitments [Abstract]
Total commitments		$ 889,000	$ 189,000