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Regulatory Matters (Tables) | 12 Months Ended
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Dec. 31, 2023
Regulatory Matters [Abstract] |
Summary of Company's Actual Capital Amount and Ratios | The Company’s actual capital amounts and ratios along with the Company’s bank subsidiary are presented in the following table.
| Actual |  | Minimum Capital Requirement –Basel III |  | Minimum To Be Well-Capitalized Under Prompt Corrective Action Provision
| Amount |  | Ratio |  | Amount |  | Ratio |  | Amount |  | Ratio
| (Dollars in thousands)
As of December 31, 2023 |  |  |  |  |  |  |  |  |  |  |
Common equity Tier 1 capital ratios: |  |  |  |  |  |  |  |  |  |  |
Home BancShares | $ | 2,609,823 |  |  | 14.15 | % |  | $ | 1,290,867 |  |  | 7.00 | % |  | N/A |  | N/A
Centennial Bank | 2,495,303 |  |  | 13.60 |  |  | 1,284,347 |  |  | 7.00 |  |  | 1,192,608 |  |  | 6.50 |
Leverage ratios: |  |  |  |  |  |  |  |  |  |  |
Home BancShares | $ | 2,609,823 |  |  | 12.44 | % |  | $ | 839,271 |  |  | 4.00 | % |  | N/A |  | N/A
Centennial Bank | 2,495,303 |  |  | 11.92 |  |  | 837,350 |  |  | 4.00 |  |  | 1,046,688 |  |  | 5.00 |
Tier 1 capital ratios: |  |  |  |  |  |  |  |  |  |  |
Home BancShares | $ | 2,609,823 |  |  | 14.15 | % |  | $ | 1,567,482 |  |  | 8.50 | % |  | N/A |  | N/A
Centennial Bank | 2,495,303 |  |  | 13.60 |  |  | 1,559,564 |  |  | 8.50 |  |  | 1,467,825 |  |  | 8.00 |
Total risk-based capital ratios: |  |  |  |  |  |  |  |  |  |  |
Home BancShares | $ | 3,281,136 |  |  | 17.79 | % |  | $ | 1,936,301 |  |  | 10.50 | % |  | N/A |  | N/A
Centennial Bank | 2,725,909 |  |  | 14.85 |  |  | 1,927,410 |  |  | 10.50 |  |  | 1,835,629 |  |  | 10.00 |
As of December 31, 2022 |  |  |  |  |  |  |  |  |  |  |
Common equity Tier 1 capital ratios: |  |  |  |  |  |  |  |  |  |  |
Home BancShares | $ | 2,399,919 |  |  | 12.91 | % |  | $ | 1,300,831 |  |  | 7.00 | % |  | N/A |  | N/A
Centennial Bank | 2,408,756 |  |  | 13.00 |  |  | 1,297,352 |  |  | 7.00 |  |  | 1,204,684 |  |  | 6.50 |
Leverage ratios: |  |  |  |  |  |  |  |  |  |  |
Home BancShares | $ | 2,399,919 |  |  | 10.86 | % |  | $ | 883,664 |  |  | 4.00 | % |  | N/A |  | N/A
Centennial Bank | 2,408,756 |  |  | 10.93 |  |  | 881,464 |  |  | 4.00 |  |  | 1,101,831 |  |  | 5.00 |
Tier 1 capital ratios: |  |  |  |  |  |  |  |  |  |  |
Home BancShares | $ | 2,399,919 |  |  | 12.91 | % |  | $ | 1,579,580 |  |  | 8.50 | % |  | N/A |  | N/A
Centennial Bank | 2,408,756 |  |  | 13.00 |  |  | 1,575,356 |  |  | 8.50 |  |  | 1,482,688 |  |  | 8.00 |
Total risk-based capital ratios: |  |  |  |  |  |  |  |  |  |  |
Home BancShares | $ | 3,073,455 |  |  | 16.54 | % |  | $ | 1,951,246 |  |  | 10.50 | % |  | N/A |  | N/A
Centennial Bank | 2,640,992 |  |  | 14.25 |  |  | 1,946,021 |  |  | 10.50 |  |  | 1,853,354 |  |  | 10.00 |

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- Definition Tabular disclosure of the capital amounts and ratios as of the balance sheet date, indicating whether the entity or entities are in compliance with regulatory capital requirements, by entity. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 942 -SubTopic 505 -Name Accounting Standards Codification -Section 50 -Paragraph 1 -Subparagraph (c)(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 1B -Publisher FASB -URI https://asc.fasb.org//1943274/2147480696/942-505-50-1B + Details
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