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Regulatory Capital Requirements (Tables) | 12 Months Ended
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Dec. 31, 2020
Regulatory Capital Requirements [Abstract] |
Schedule Of Total Risk-Based, Tier 1 Risk-Based, And Tier 1 Leverage Ratios |
|  | Actual |  |  | For Capital Adequacy Purposes |  |  | To Be Well Capitalized Under Prompt Corrective Action Provisions |
Stifel Financial Corp. |  | Amount |  |  | Ratio |  |  | Amount |  |  | Ratio |  |  | Amount |  |  | Ratio |
Common equity tier 1 capital |  | $ | 2,391,296 |  |  |  | 16.5 | % |  | $ | 652,042 |  |  |  | 4.5 | % |  | $ | 941,839 |  |  |  | 6.5 | %
Tier 1 capital |  |  | 2,926,296 |  |  |  | 20.2 | % |  |  | 869,390 |  |  |  | 6.0 | % |  |  | 1,159,186 |  |  |  | 8.0 | %
Total capital |  |  | 3,080,234 |  |  |  | 21.3 | % |  |  | 1,159,186 |  |  |  | 8.0 | % |  |  | 1,448,983 |  |  |  | 10.0 | %
Tier 1 leverage |  |  | 2,926,296 |  |  |  | 11.9 | % |  |  | 984,215 |  |  |  | 4.0 | % |  |  | 1,230,269 |  |  |  | 5.0 | %
|  | Actual |  |  | For Capital Adequacy Purposes |  |  | To Be Well Capitalized Under Prompt Corrective Action Provisions |
Stifel Bank & Trust |  | Amount |  |  | Ratio |  |  | Amount |  |  | Ratio |  |  | Amount |  |  | Ratio |
Common equity tier 1 capital |  | $ | 1,029,659 |  |  |  | 11.4 | % |  | $ | 404,757 |  |  |  | 4.5 | % |  | $ | 584,648 |  |  |  | 6.5 | %
Tier 1 capital |  |  | 1,029,659 |  |  |  | 11.4 | % |  |  | 539,675 |  |  |  | 6.0 | % |  |  | 719,567 |  |  |  | 8.0 | %
Total capital |  |  | 1,142,093 |  |  |  | 12.7 | % |  |  | 719,567 |  |  |  | 8.0 | % |  |  | 899,459 |  |  |  | 10.0 | %
Tier 1 leverage |  |  | 1,029,659 |  |  |  | 7.1 | % |  |  | 576,387 |  |  |  | 4.0 | % |  |  | 720,483 |  |  |  | 5.0 | %
|  | Actual |  |  | For Capital Adequacy Purposes |  |  | To Be Well Capitalized Under Prompt Corrective Action Provisions |
Stifel Bank |  | Amount |  |  | Ratio |  |  | Amount |  |  | Ratio |  |  | Amount |  |  | Ratio |
Common equity tier 1 capital |  | $ | 209,795 |  |  |  | 16.5 | % |  | $ | 57,122 |  |  |  | 4.5 | % |  | $ | 82,510 |  |  |  | 6.5 | %
Tier 1 capital |  |  | 209,795 |  |  |  | 16.5 | % |  |  | 76,163 |  |  |  | 6.0 | % |  |  | 101,550 |  |  |  | 8.0 | %
Total capital |  |  | 224,281 |  |  |  | 17.7 | % |  |  | 101,550 |  |  |  | 8.0 | % |  |  | 126,938 |  |  |  | 10.0 | %
Tier 1 leverage |  |  | 209,795 |  |  |  | 7.3 | % |  |  | 114,655 |  |  |  | 4.0 | % |  |  | 143,319 |  |  |  | 5.0 | %

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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 -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 505 -Section 50 -Paragraph 1B -URI http://asc.fasb.org/extlink&oid=117337116&loc=SL5958570-112826 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 505 -Section 50 -Paragraph 1 -Subparagraph (c)(1) -URI http://asc.fasb.org/extlink&oid=117337116&loc=SL5958568-112826 + Details
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