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Commitments and Contingent Liabilities (Details) - The Bank of Greene County [Member] - USD ($) $ in Thousands | Dec. 31, 2022 | Sep. 30, 2022
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Commitments [Abstract] |  |
Total commitments | $ 212,828 | $ 299,580
Litigation reserved amount | 1,150 |
Unfunded Loan Commitments [Member] |  |
Commitments [Abstract] |  |
Total commitments | 118,242 | 213,420
Unused Lines of Credit [Member] |  |
Commitments [Abstract] |  |
Total commitments | 93,697 | 85,971
Standby Letters of Credit [Member] |  |
Commitments [Abstract] |  |
Total commitments | $ 889 | $ 189

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- Definition Aggregate carrying amount of the estimated litigation liability for known or estimated probable loss from litigation, which may include attorneys' fees and other litigation costs. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 450 -SubTopic 20 -Section 50 -Paragraph 1 -URI https://asc.fasb.org/extlink&oid=121557415&loc=d3e14326-108349 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.25) -URI https://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682 + Details
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