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Note 14 - Regulatory Matters (Tables) | 12 Months Ended
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Dec. 31, 2023
Notes Tables |
Schedule of Compliance with Regulatory Capital Requirements under Banking Regulations [Table Text Block] |
|  | Actual |  |  | For Capital Adequacy Purposes |  |  | To Be Well Capitalized Under Prompt Corrective Action Provisions |
|  | Amount |  |  | Ratio |  |  | Amount |  |  | Ratio |  |  | Amount |  |  | Ratio |
As of December 31, 2023: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
CET I Capital to Risk Weighted Assets: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Consolidated |  | $ | 1,473,885 |  |  |  | 10.91 | % |  | $ | 607,690 |  |  |  | 4.50 | % |  |  | N/A |  |  |  | N/A |
ServisFirst Bank |  |  | 1,535,757 |  |  |  | 11.37 | % |  |  | 607,665 |  |  |  | 4.50 | % |  | $ | 877,738 |  |  |  | 6.50 | %
Tier I Capital to Risk Weighted Assets: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Consolidated |  |  | 1,474,385 |  |  |  | 10.92 | % |  |  | 810,253 |  |  |  | 6.00 | % |  |  | N/A |  |  |  | N/A |
ServisFirst Bank |  |  | 1,536,257 |  |  |  | 11.38 | % |  |  | 810,220 |  |  |  | 6.00 | % |  |  | 1,080,293 |  |  |  | 8.00 | %
Total Capital to Risk Weighted Assets: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Consolidated |  |  | 1,681,028 |  |  |  | 12.45 | % |  |  | 1,080,338 |  |  |  | 8.00 | % |  |  | N/A |  |  |  | N/A |
ServisFirst Bank |  |  | 1,690,149 |  |  |  | 12.52 | % |  |  | 1,080,293 |  |  |  | 8.00 | % |  |  | 1,350,366 |  |  |  | 10.00 | %
Tier I Capital to Average Assets: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Consolidated |  |  | 1,474,385 |  |  |  | 9.12 | % |  |  | 646,710 |  |  |  | 4.00 | % |  |  | N/A |  |  |  | N/A |
ServisFirst Bank |  |  | 1,536,257 |  |  |  | 9.50 | % |  |  | 646,675 |  |  |  | 4.00 | % |  |  | 808,343 |  |  |  | 5.00 | %
As of December 31, 2022: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
CET I Capital to Risk Weighted Assets: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Consolidated |  | $ | 1,326,035 |  |  |  | 9.55 | % |  | $ | 624,986 |  |  |  | 4.50 | % |  |  | N/A |  |  |  | N/A |
ServisFirst Bank |  |  | 1,385,697 |  |  |  | 9.98 | % |  |  | 624,942 |  |  |  | 4.50 | % |  | $ | 902,694 |  |  |  | 6.50 | %
Tier I Capital to Risk Weighted Assets: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Consolidated |  |  | 1,326,535 |  |  |  | 9.95 | % |  |  | 833,315 |  |  |  | 6.00 | % |  |  | N/A |  |  |  | N/A |
ServisFirst Bank |  |  | 1,386,197 |  |  |  | 9.98 | % |  |  | 833,256 |  |  |  | 6.00 | % |  |  | 1,111,008 |  |  |  | 8.00 | %
Total Capital to Risk Weighted Assets: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Consolidated |  |  | 1,532,134 |  |  |  | 11.03 | % |  |  | 1,111,086 |  |  |  | 8.00 | % |  |  | N/A |  |  |  | N/A |
ServisFirst Bank |  |  | 1,533,069 |  |  |  | 11.04 | % |  |  | 1,111,008 |  |  |  | 8.00 | % |  |  | 1,388,760 |  |  |  | 10.00 | %
Tier I Capital to Average Assets: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Consolidated |  |  | 1,326,535 |  |  |  | 9.29 | % |  |  | 570,960 |  |  |  | 4.00 | % |  |  | N/A |  |  |  | N/A |
ServisFirst Bank |  |  | 1,386,197 |  |  |  | 9.71 | % |  |  | 570,924 |  |  |  | 4.00 | % |  |  | 713,656 |  |  |  | 5.00 | %

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