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, 2018: | | | | | | | | | | | | | | | | | | | | | | | | | CET I Capital to Risk Weighted Assets: | | | | | | | | | | | | | | | | | | | | | | | | | Consolidated | | $ | 705,203 | | | | 10.12 | % | | $ | 313,564 | | | | 4.50 | % | | | | | | | | | ServisFirst Bank | | | 768,614 | | | | 11.03 | % | | | 313,554 | | | | 4.50 | % | | $ | 452,911 | | | | 6.50 | % | Tier I Capital to Risk Weighted Assets: | | | | | | | | | | | | | | | | | | | | | | | | | Consolidated | | | 705,705 | | | | 10.13 | % | | | 418,086 | | | | 6.00 | % | | | | | | | | | ServisFirst Bank | | | 769,116 | | | | 11.04 | % | | | 418,071 | | | | 6.00 | % | | | 557,428 | | | | 8.00 | % | Total Capital to Risk Weighted Assets: | | | | | | | | | | | | | | | | | | | | | | | | | Consolidated | | | 839,471 | | | | 12.05 | % | | | 557,448 | | | | 8.00 | % | | | | | | | | | ServisFirst Bank | | | 838,216 | | | | 12.03 | % | | | 557,428 | | | | 8.00 | % | | | 696,786 | | | | 10.00 | % | Tier I Capital to Average Assets: | | | | | | | | | | | | | | | | | | | | | | | | | Consolidated | | | 705,705 | | | | 9.08 | % | | | 311,214 | | | | 4.00 | % | | | | | | | | | ServisFirst Bank | | | 769,116 | | | | 9.89 | % | | | 311,206 | | | | 4.00 | % | | | 389,007 | | | | 5.00 | % | | | | | | | | | | | | | | | | | | | | | | | | | | As of December 31, 2017: | | | | | | | | | | | | | | | | | | | | | | | | | CET I Capital to Risk Weighted Assets: | | | | | | | | | | | | | | | | | | | | | | | | | Consolidated | | $ | 593,111 | | | | 9.51 | % | | $ | 280,553 | | | | 4.50 | % | | | | | | | | | ServisFirst Bank | | | 651,201 | | | | 10.45 | % | | | 280,523 | | | | 4.50 | % | | $ | 405,199 | | | | 6.50 | % | Tier I Capital to Risk Weighted Assets: | | | | | | | | | | | | | | | | | | | | | | | | | Consolidated | | | 593,613 | | | | 9.52 | % | | | 374,070 | | | | 6.00 | % | | | | | | | | | ServisFirst Bank | | | 651,703 | | | | 10.45 | % | | | 374,030 | | | | 6.00 | % | | | 498,707 | | | | 8.00 | % | Total Capital to Risk Weighted Assets: | | | | | | | | | | | | | | | | | | | | | | | | | Consolidated | | | 718,151 | | | | 11.52 | % | | | 498,760 | | | | 8.00 | % | | | | | | | | | ServisFirst Bank | | | 711,609 | | | | 11.42 | % | | | 498,707 | | | | 8.00 | % | | | 623,384 | | | | 10.00 | % | Tier I Capital to Average Assets: | | | | | | | | | | | | | | | | | | | | | | | | | Consolidated | | | 593,613 | | | | 8.51 | % | | | 278,970 | | | | 4.00 | % | | | | | | | | | ServisFirst Bank | | | 651,703 | | | | 9.35 | % | | | 278,954 | | | | 4.00 | % | | | 348,693 | | | | 5.00 | % |
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