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REGULATORY MATTERS | 12 Months Ended
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Dec. 31, 2023
Broker-Dealer, Net Capital Requirement, SEC Regulation [Abstract] |
REGULATORY MATTERS | REGULATORY MATTERS Regulatory Capital Requirements The Corporation and the Bank are subject to various regulatory capital requirements administered by the federal banking agencies. Failure to meet the minimum capital requirements can initiate certain mandatory and possibly additional discretionary actions by regulators that, if undertaken, could have a direct material effect on the Corporation’s consolidated financial statements. Under capital adequacy guidelines and the regulatory framework for prompt corrective action, the Corporation and the Bank must meet specific capital guidelines that involve quantitative measures of their assets, liabilities and certain off-balance sheet items as calculated under regulatory accounting practices. The capital amounts and classification are also subject to qualitative judgments by the regulators about components, risk weightings, and other factors. Minimum regulatory capital requirements established by Basel III rules require the Corporation and the Bank to: •Meet a minimum Tier 1 leverage capital ratio of 4.0% of average assets; •Meet a minimum Common Equity Tier 1 capital ratio of 4.5% of risk-weighted assets; •Meet a minimum Tier 1 capital ratio of 6.0% of risk-weighted assets; •Meet a minimum Total capital ratio of 8.0% of risk-weighted assets; •Maintain a “capital conservation buffer” of 2.5% above the minimum risk-based capital requirements, which must be maintained to avoid restrictions on capital distributions and certain discretionary bonus; and, •Comply with the definition of capital to improve the ability of regulatory capital instruments to absorb losses. Management believes, as of December 31, 2023, that the Corporation and the Bank meet all capital adequacy requirements to which they are subject. There are no subsequent conditions or events that management believes have changed the Bank’s category. The actual and required regulatory capital levels, leverage ratios and risk-based capital ratios as of December 31:
| Actual |  | For Capital Adequacy Purposes |  | To be Well Capitalized under Prompt Corrective Action Provisions (2)
(Dollars in thousands) | Amount |  | Ratio |  | Amount (1) |  | Ratio (1) |  | Amount |  | Ratio
CORPORATION |  |  |  |  |  |  |  |  |  |  |
2023 |  |  |  |  |  |  |  |  |  |  |
Tier 1 Leverage Capital (to average assets) | $ | 280,135 |  |  | 11.57 | % |  | $ | 96,822 |  |  | 4.0% |  | N/A |  | N/A
Common Equity Tier 1 Capital (to risk-weighted assets) | 274,844 |  |  | 15.16 |  |  | 81,562 |  |  | 4.5 |  | N/A |  | N/A
Tier 1 Capital (to risk-weighted assets) | 280,135 |  |  | 15.46 |  |  | 108,749 |  |  | 6.0 |  | N/A |  | N/A
Total Capital (to risk-weighted assets) | 315,564 |  |  | 17.41 |  |  | 144,999 |  |  | 8.0 |  | N/A |  | N/A
2022 |  |  |  |  |  |  |  |  |  |  |
Tier 1 Leverage Capital (to average assets) | $ | 258,468 |  |  | 9.91 | % |  | $ | 104,372 |  |  | 4.0% |  | N/A |  | N/A
Common Equity Tier 1 Capital (to risk-weighted assets) | 252,468 |  |  | 15.00 |  |  | 75,733 |  |  | 4.5 |  | N/A |  | N/A
Tier 1 Capital (to risk-weighted assets) | 258,468 |  |  | 15.36 |  |  | 100,978 |  |  | 6.0 |  | N/A |  | N/A
Total Capital (to risk-weighted assets) | 291,421 |  |  | 17.32 |  |  | 134,637 |  |  | 8.0 |  | N/A |  | N/A
ACNB BANK |  |  |  |  |  |  |  |  |  |  |
2023 |  |  |  |  |  |  |  |  |  |  |
Tier 1 Leverage Capital (to average assets) | $ | 268,314 |  |  | 11.12 | % |  | $ | 96,494 |  |  | 4.0% |  | $ | 120,618 |  |  | 5.0%
Common Equity Tier 1 Capital (to risk-weighted assets) | 268,314 |  |  | 14.86 |  |  | 81,260 |  |  | 4.5 |  | 117,375 |  |  | 6.5
Tier 1 Capital (to risk-weighted assets) | 268,314 |  |  | 14.86 |  |  | 108,346 |  |  | 6.0 |  | 144,462 |  |  | 8.0
Total Capital (to risk-weighted assets) | 288,742 |  |  | 15.99 |  | 144,462 |  |  | 8.0 |  | 180,577 |  |  | 10.0
2022 |  |  |  |  |  |  |  |  |  |  |
Tier 1 Leverage Capital (to average assets) | $ | 246,184 |  |  | 9.50 | % |  | $ | 103,690 |  |  | 4.0% |  | $ | 129,612 |  |  | 5.0%
Common Equity Tier 1 Capital (to risk-weighted assets) | 246,184 |  |  | 14.68 |  |  | 75,441 |  |  | 4.5 |  | 108,971 |  |  | 6.5
Tier 1 Capital (to risk-weighted assets) | 246,184 |  |  | 14.68 |  |  | 100,588 |  |  | 6.0 |  | 134,118 |  |  | 8.0
Total Capital (to risk-weighted assets) | 264,137 |  |  | 15.76 |  |  | 134,118 |  |  | 8.0 |  | 167,647 |  |  | 10.0
_______________________________ (1) Amounts and ratios do not include capital conservation buffer. (2) N/A - Not applicable as “well capitalized” applies only to banks. Dividend Restrictions Dividend payments by the Bank to the Corporation are subject to certain legal and regulatory limitations. As of December 31, 2023 $48.3 million of undistributed earnings of the Bank, included in consolidated retained earnings, was available for distribution to the Corporation as dividends without prior regulatory approval. Additionally, dividends paid by the Bank to the Corporation would be prohibited if the effect thereof would cause the Bank’s capital to be reduced below applicable minimum capital requirements.

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- Definition The entire disclosure for regulatory capital requirement for depository and lending institutions. Institutions include, but not are not limited to, finance company, insured depository institution, bank holding company, savings and loan association holding company, bank and savings institution not federally insured, mortgage company, foreign financial institution and credit union. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 942 -SubTopic 505 -Name Accounting Standards Codification -Section 50 -Paragraph 1 -Subparagraph (a)(1) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480696/942-505-50-1 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 942 -SubTopic 505 -Name Accounting Standards Codification -Section 50 -Paragraph 1 -Subparagraph (a)(2) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480696/942-505-50-1 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Topic 942 -SubTopic 505 -Name Accounting Standards Codification -Section 50 -Paragraph 1 -Subparagraph (b) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480696/942-505-50-1 Reference 4: http://www.xbrl.org/2003/role/disclosureRef -Topic 942 -SubTopic 505 -Name Accounting Standards Codification -Section 50 -Paragraph 1 -Subparagraph (c)(2) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480696/942-505-50-1 Reference 5: http://www.xbrl.org/2003/role/disclosureRef -Topic 942 -SubTopic 505 -Name Accounting Standards Codification -Section 50 -Paragraph 1 -Subparagraph (e) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480696/942-505-50-1 Reference 6: http://www.xbrl.org/2003/role/disclosureRef -Topic 942 -SubTopic 505 -Name Accounting Standards Codification -Section 50 -Paragraph 1D -Publisher FASB -URI https://asc.fasb.org//1943274/2147480696/942-505-50-1D Reference 7: http://www.xbrl.org/2003/role/disclosureRef -Topic 942 -SubTopic 505 -Name Accounting Standards Codification -Section 50 -Paragraph 1A -Publisher FASB -URI https://asc.fasb.org//1943274/2147480696/942-505-50-1A Reference 8: http://www.xbrl.org/2003/role/disclosureRef -Topic 942 -SubTopic 505 -Name Accounting Standards Codification -Section 50 -Paragraph 1F -Publisher FASB -URI https://asc.fasb.org//1943274/2147480696/942-505-50-1F + Details
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