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Regulatory Capital Requirements (Tables) | 12 Months Ended
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Dec. 31, 2018
Regulatory Capital Requirements [Abstract] |
Schedule Of Total Risk-Based, Tier 1 Risk-Based, And Tier 1 Leverage Ratios | Stifel Financial Corp. – Federal Reserve Capital Amounts December 31, 2018
|  | Actual |  |  | For Capital Adequacy Purposes |  |  | To Be Well Capitalized Under Prompt Corrective Action Provisions |
|  | Amount |  |  | Ratio |  |  | Amount |  |  | Ratio |  |  | Amount |  |  | Ratio |
Common equity tier 1 capital |  | $ | 1,939,938 |  |  |  | 16.8 | % |  | $ | 520,718 |  |  |  | 4.5 | % |  | $ | 752,148 |  |  |  | 6.5 | %
Tier 1 capital |  |  | 2,103,339 |  |  |  | 18.2 | % |  |  | 694,291 |  |  |  | 6.0 | % |  |  | 925,721 |  |  |  | 8.0 | %
Total capital |  |  | 2,247,937 |  |  |  | 19.4 | % |  |  | 925,721 |  |  |  | 8.0 | % |  |  | 1,157,152 |  |  |  | 10.0 | %
Tier 1 leverage |  |  | 2,103,339 |  |  |  | 9.3 | % |  |  | 904,735 |  |  |  | 4.0 | % |  |  | 1,130,919 |  |  |  | 5.0 | %
Stifel Bank & Trust – Federal Reserve Capital Amounts December 31, 2018
|  | Actual |  |  | For Capital Adequacy Purposes |  |  | To Be Well Capitalized Under Prompt Corrective Action Provisions |
|  | Amount |  |  | Ratio |  |  | Amount |  |  | Ratio |  |  | Amount |  |  | Ratio |
Common equity tier 1 capital |  | $ | 1,163,514 |  |  |  | 14.4 | % |  | $ | 363,956 |  |  |  | 4.5 | % |  | $ | 525,714 |  |  |  | 6.5 | %
Tier 1 capital |  |  | 1,176,915 |  |  |  | 14.6 | % |  |  | 485,274 |  |  |  | 6.0 | % |  |  | 647,032 |  |  |  | 8.0 | %
Total capital |  |  | 1,262,361 |  |  |  | 15.6 | % |  |  | 647,032 |  |  |  | 8.0 | % |  |  | 808,790 |  |  |  | 10.0 | %
Tier 1 leverage |  |  | 1,176,915 |  |  |  | 7.1 | % |  |  | 658,602 |  |  |  | 4.0 | % |  |  | 823,252 |  |  |  | 5.0 | %
Stifel Bank– Federal Reserve Capital Amounts December 31, 2018
|  | Actual |  |  | For Capital Adequacy Purposes |  |  | To Be Well Capitalized Under Prompt Corrective Action Provisions |
|  | Amount |  |  | Ratio |  |  | Amount |  |  | Ratio |  |  | Amount |  |  | Ratio |
Common equity tier 1 capital |  | $ | 77,244 |  |  |  | 12.3 | % |  | $ | 28,324 |  |  |  | 4.5 | % |  | $ | 40,913 |  |  |  | 6.5 | %
Tier 1 capital |  |  | 77,244 |  |  |  | 12.3 | % |  |  | 37,766 |  |  |  | 6.0 | % |  |  | 50,354 |  |  |  | 8.0 | %
Total capital |  |  | 85,117 |  |  |  | 13.5 | % |  |  | 50,354 |  |  |  | 8.0 | % |  |  | 62,943 |  |  |  | 10.0 | %
Tier 1 leverage |  |  | 77,244 |  |  |  | 9.9 | % |  |  | 31,113 |  |  |  | 4.0 | % |  |  | 38,892 |  |  |  | 5.0 | %

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