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v3.20.4

Regulatory Matters (Tables) | 12 Months Ended
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Dec. 31, 2020
Regulated Operations [Abstract] |
Schedule of Actual Capital Amounts and Ratios | The capital ratios are presented in the table below:
| December 31, 2020 |  | December 31, 2019 |  |  |
| EFSC | Bank |  | EFSC | Bank |  | To Be Well-Capitalized | Minimum Ratio with CCB
Common Equity Tier 1 Capital to Risk Weighted Assets | 10.9 | % | 12.5 | % |  | 9.9 | % | 11.7 | % |  | 6.5 | % | 7.0 | %
Tier 1 Capital to Risk Weighted Assets | 12.1 | % | 12.5 | % |  | 11.4 | % | 11.7 | % |  | 8.0 | % | 8.5 | %
Total Capital to Risk Weighted Assets | 14.9 | % | 13.7 | % |  | 12.9 | % | 12.4 | % |  | 10.0 | % | 10.5 | %
Leverage Ratio (Tier 1 Capital to Average Assets) | 10.0 | % | 10.3 | % |  | 10.1 | % | 10.3 | % |  | 5.0 | % | 4.0 | %

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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://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 505 -Section 50 -Paragraph 1G -URI http://asc.fasb.org/extlink&oid=117337116&loc=SL5958577-112826 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 505 -Section 50 -Paragraph 1H -Subparagraph (c)(2) -URI http://asc.fasb.org/extlink&oid=117337116&loc=d3e65071-112826 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -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 Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef -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 + Details
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