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, 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 | % | | | | | | | | | | | | | | | | | | | | | | | | | | As of December 31, 2016: | | | | | | | | | | | | | | | | | | | | | | | | | CET I Capital to Risk Weighted Assets: | | | | | | | | | | | | | | | | | | | | | | | | | Consolidated | | $ | 508,982 | | | | 9.78 | % | | $ | 234,262 | | | | 4.50 | % | | | | | | | | | ServisFirst Bank | | | 560,731 | | | | 10.77 | % | | | 234,232 | | | | 4.50 | % | | $ | 338,335 | | | | 6.50 | % | Tier I Capital to Risk Weighted Assets: | | | | | | | | | | | | | | | | | | | | | | | | | Consolidated | | | 509,359 | | | | 9.78 | % | | | 312,350 | | | | 6.00 | % | | | | | | | | | ServisFirst Bank | | | 561,108 | | | | 10.78 | % | | | 312,309 | | | | 6.00 | % | | | 416,413 | | | | 8.00 | % | Total Capital to Risk Weighted Assets: | | | | | | | | | | | | | | | | | | | | | | | | | Consolidated | | | 616,415 | | | | 11.84 | % | | | 416,467 | | | | 8.00 | % | | | | | | | | | ServisFirst Bank | | | 613,501 | | | | 11.79 | % | | | 416,413 | | | | 8.00 | % | | | 520,516 | | | | 10.00 | % | Tier I Capital to Average Assets: | | | | | | | | | | | | | | | | | | | | | | | | | Consolidated | | | 509,359 | | | | 8.22 | % | | | 247,777 | | | | 4.00 | % | | | | | | | | | ServisFirst Bank | | | 561,108 | | | | 9.06 | % | | | 247,760 | | | | 4.00 | % | | | 309,700 | | | | 5.00 | % |
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