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Regulatory Matters (Details) | Jun. 30, 2025 | Jun. 30, 2024
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The Bank of Greene County [Member] |  |
Compliance with Regulatory Capital [Abstract] |  |
Common equity tier 1 capital for capital conservation buffer, required | 2.50% | 2.50%

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- Definition The minimum common equity tier 1 capital ratio required for capital conservation buffer (minimum common equity tier 1 capital required for capital conservation buffer divided by risk-weighted assets) under the regulatory framework for prompt corrective action. + References No definition available. + Details
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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 942 -SubTopic 505 -Name Accounting Standards Codification -Section 50 -Paragraph 1B -Publisher FASB -URI https://asc.fasb.org/1943274/2147477270/942-505-50-1B Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 942 -SubTopic 505 -Name Accounting Standards Codification -Section 50 -Paragraph 1 -Subparagraph (c)(1) -Publisher FASB -URI https://asc.fasb.org/1943274/2147477270/942-505-50-1 + Details
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