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Regulatory Matters | 12 Months Ended
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Jun. 30, 2025
Regulatory Matters [Abstract] |
Regulatory Matters | Note 19. Regulatory Matters The Bank of Greene County and its wholly-owned subsidiary, Greene County Commercial Bank, are subject to various regulatory capital requirements administered by federal banking agencies. Failure to meet minimum capital requirements can result in certain mandatory and possibly additional discretionary actions by regulators that, if undertaken, could have a direct material impact on the Company’s consolidated financial statements. Under capital adequacy guidelines and the regulatory framework for prompt corrective action, the Bank and the Commercial Bank must meet specific guidelines that involve quantitative measures of assets, liabilities, and certain off-balance-sheet items as calculated under regulatory accounting practices. Capital amounts and classifications are also subject to qualitative judgments by the regulators about components, risk weightings, and other factors. Quantitative measures established by regulation to ensure capital adequacy require the Bank of Greene County and Greene County Commercial Bank to maintain minimum amounts and ratios (set forth in the table below) of Total and Tier 1 Capital to risk-weighted assets and a Leverage Ratio of Tier 1 capital to average assets. The rules also require unrealized gains and losses on certain security holdings “available-for-sale” to be included for purposes of calculating regulatory capital unless a one-time opt-out is exercised. In addition to maintaining minimum capital ratios, the Bank and Commercial Bank are subject to a capital conservation buffer (“Buffer”) of 2.50% above the minimum to avoid restriction on capital distributions and certain discretionary bonus payments. Management believes that, as of June 30, 2025, the Bank of Greene County and Greene County Commercial Bank met all capital adequacy requirements to which they are subject. Under their prompt corrective action regulations, regulatory authorities are required to take certain supervisory actions (and may take additional discretionary actions) with respect to an undercapitalized institution. Such actions could have a direct material effect on an institution’s financial statements. The regulations establish a framework for the classification of banks into five categories: well-capitalized, adequately capitalized, undercapitalized, significantly undercapitalized and critically undercapitalized. As of June 30, 2025, the most recent notification from regulators categorized the Bank and Commercial Bank as “well capitalized” under the regulatory framework for prompt corrective action. There are no conditions or events since that notification that management believes have changed either Bank’s category.
(Dollars in thousands) | Actual |  |  | For capital adequacy purposes |  |  | To be well capitalized under prompt corrective action provisions |  |  | Capital conservation buffer
The Bank of Greene County |  | Amount |  |  |  | Ratio |  |  |  | Amount |  |  |  | Ratio |  |  |  | Amount |  |  |  | Ratio |  |  |  | Actual |  |  |  | Required |
As of June 30, 2025: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Total risk-based capital | $ | 293,952 |  |  |  | 16.6 | % |  | $ | 141,305 |  |  |  | 8.0 | % |  | $ | 176,632 |  |  |  | 10.0 | % |  |  | 8.64 | % |  |  | 2.50 | %
Tier 1 risk-based capital |  | 271,869 |  |  |  | 15.4 |  |  |  | 105,979 |  |  |  | 6.0 |  |  |  | 141,305 |  |  |  | 8.0 |  |  |  | 9.39 |  |  |  | 2.50 |
Common equity tier 1 capital |  | 271,869 |  |  |  | 15.4 |  |  |  | 79,484 |  |  |  | 4.5 |  |  |  | 114,811 |  |  |  | 6.5 |  |  |  | 10.89 |  |  |  | 2.50 |
Tier 1 leverage ratio |  | 271,869 |  |  |  | 9.2 |  |  |  | 117,646 |  |  |  | 4.0 |  |  |  | 147,057 |  |  |  | 5.0 |  |  |  | 5.24 |  |  |  | 2.50 |
As of June 30, 2024: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Total risk-based capital | $ | 273,460 |  |  |  | 17.1 | % |  | $ | 127,873 |  |  |  | 8.0 | % |  | $ | 159,841 |  |  |  | 10.0 | % |  |  | 9.11 | % |  |  | 2.50 | %
Tier 1 risk-based capital |  | 253,468 |  |  |  | 15.9 |  |  |  | 95,905 |  |  |  | 6.0 |  |  |  | 127,873 |  |  |  | 8.0 |  |  |  | 9.86 |  |  |  | 2.50 |
Common equity tier 1 capital |  | 253,468 |  |  |  | 15.9 |  |  |  | 71,929 |  |  |  | 4.5 |  |  |  | 103,897 |  |  |  | 6.5 |  |  |  | 11.36 |  |  |  | 2.50 |
Tier 1 leverage ratio |  | 253,468 |  |  |  | 9.3 |  |  |  | 109,102 |  |  |  | 4.0 |  |  |  | 136,378 |  |  |  | 5.0 |  |  |  | 5.29 |  |  |  | 2.50 |
Greene County Commercial Bank |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
As of June 30, 2025: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Total risk-based capital | $ | 122,243 |  |  |  | 46.9 | % |  | $ | 20,871 |  |  |  | 8.0 | % |  | $ | 26,089 |  |  |  | 10.0 | % |  |  | 38.86 | % |  |  | 2.50 | %
Tier 1 risk-based capital |  | 122,243 |  |  |  | 46.9 |  |  |  | 15,654 |  |  |  | 6.0 |  |  |  | 20,871 |  |  |  | 8.0 |  |  |  | 40.86 |  |  |  | 2.50 |
Common equity tier 1 capital |  | 122,243 |  |  |  | 46.9 |  |  |  | 11,740 |  |  |  | 4.5 |  |  |  | 16,958 |  |  |  | 6.5 |  |  |  | 42.36 |  |  |  | 2.50 |
Tier 1 leverage ratio |  | 122,243 |  |  |  | 9.1 |  |  |  | 53,543 |  |  |  | 4.0 |  |  |  | 66,929 |  |  |  | 5.0 |  |  |  | 5.13 |  |  |  | 2.50 |
As of June 30, 2024: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Total risk-based capital | $ | 110,319 |  |  |  | 49.5 | % |  | $ | 17,830 |  |  |  | 8.0 | % |  | $ | 22,288 |  |  |  | 10.0 | % |  |  | 41.50 | % |  |  | 2.50 | %
Tier 1 risk-based capital |  | 110,319 |  |  |  | 49.5 |  |  |  | 13,373 |  |  |  | 6.0 |  |  |  | 17,830 |  |  |  | 8.0 |  |  |  | 43.50 |  |  |  | 2.50 |
Common equity tier 1 capital |  | 110,319 |  |  |  | 49.5 |  |  |  | 10,029 |  |  |  | 4.5 |  |  |  | 14,487 |  |  |  | 6.5 |  |  |  | 45.00 |  |  |  | 2.50 |
Tier 1 leverage ratio |  | 110,319 |  |  |  | 9.1 |  |  |  | 48,385 |  |  |  | 4.0 |  |  |  | 60,481 |  |  |  | 5.0 |  |  |  | 5.12 |  |  |  | 2.50 |

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