v3.3.1.900

Regulatory Matters (Tables) | 12 Months Ended
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Dec. 31, 2015
Regulated Operations [Abstract] |
Schedule of Actual Capital Amounts and Ratios | The actual capital amounts and ratios are presented in the table below:
| Actual |  | For Capital Adequacy Purposes |  | To Be Well Capitalized Under Applicable Action Provisions
(in thousands) | Amount |  | Ratio |  | Amount |  | Ratio |  | Amount |  | Ratio
As of December 31, 2015: |  |  |  |  |  |  |  |  |  |  |
Total Capital (to Risk Weighted Assets) |  |  |  |  |  |  |  |  |  |  |
Enterprise Financial Services Corp | $ | 418,367 |  |  | 11.85 | % |  | $ | 282,442 |  |  | 8.00 | % |  | $ | — |  |  | — | %
Enterprise Bank & Trust | 386,531 |  |  | 10.98 |  |  | 281,632 |  |  | 8.00 |  |  | 352,040 |  |  | 10.00 |
Tier 1 Capital (to Risk Weighted Assets) |  |  |  |  |  |  |  |  |  |  |
Enterprise Financial Services Corp | 374,676 |  |  | 10.61 |  |  | 211,831 |  |  | 6.00 |  |  | — |  |  | — |
Enterprise Bank & Trust | 342,840 |  |  | 9.74 |  |  | 211,224 |  |  | 6.00 |  |  | 281,632 |  |  | 8.00 |
Common Equity Tier 1 Capital (to Risk Weighted Assets)1 |  |  |  |  |  |  |  |  |  |  |
Enterprise Financial Services Corp | 319,553 |  |  | 9.05 |  |  | 158,873 |  |  | 4.50 |  |  | — |  |  | — |
Enterprise Bank & Trust | 342,816 |  |  | 9.74 |  |  | 158,418 |  |  | 4.50 |  |  | 228,826 |  |  | 6.50 |
Leverage Ratio (Tier 1 Capital to Average Assets) |  |  |  |  |  |  |  |  |  |  |
Enterprise Financial Services Corp | 374,676 |  |  | 10.71 |  |  | 139,893 |  |  | 4.00 |  |  | — |  |  | — |
Enterprise Bank & Trust | 342,840 |  |  | 9.84 |  |  | 139,311 |  |  | 4.00 |  |  | 174,138 |  |  | 5.00 |
As of December 31, 2014: |  |  |  |  |  |  |  |  |  |  |
Total Capital (to Risk Weighted Assets) |  |  |  |  |  |  |  |  |  |  |
Enterprise Financial Services Corp | $ | 369,868 |  |  | 13.40 | % |  | $ | 220,858 |  |  | 8.00 | % |  | $ | — |  |  | — | %
Enterprise Bank & Trust | 343,334 |  |  | 12.51 |  |  | 219,645 |  |  | 8.00 |  |  | 274,556 |  |  | 10.00 |
Tier 1 Capital (to Risk Weighted Assets) |  |  |  |  |  |  |  |  |  |  |
Enterprise Financial Services Corp | 335,221 |  |  | 12.14 |  |  | 110,429 |  |  | 4.00 |  |  | — |  |  | — |
Enterprise Bank & Trust | 308,874 |  |  | 11.25 |  |  | 109,823 |  |  | 4.00 |  |  | 164,734 |  |  | 6.00 |
Leverage Ratio (Tier 1 Capital to Average Assets) |  |  |  |  |  |  |  |  |  |  |
Enterprise Financial Services Corp | 335,221 |  |  | 10.48 |  |  | 96,000 |  |  | 3.00 |  |  | — |  |  | — |
Enterprise Bank & Trust | 308,874 |  |  | 9.71 |  |  | 95,411 |  |  | 3.00 |  |  | 159,018 |  |  | 5.00 |
1 Not an applicable regulatory ratio until implementation of Basel III in 2015

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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/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 505 -Section 50 -Paragraph 1B -URI http://asc.fasb.org/extlink&oid=35709795&loc=SL5958570-112826 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 505 -Section 50 -Paragraph 1 -Subparagraph (c)(1) -URI http://asc.fasb.org/extlink&oid=35709795&loc=SL5958568-112826 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 505 -Section 50 -Paragraph 1H -Subparagraph (c)(2) -URI http://asc.fasb.org/extlink&oid=35709795&loc=d3e65071-112826 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 505 -Section 50 -Paragraph 1G -URI http://asc.fasb.org/extlink&oid=35709795&loc=SL5958577-112826 + Details
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