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Subordinated Debentures and Notes (Details) $ in Thousands |  | 12 Months Ended |
--- | --- | --- | ---
Nov. 01, 2021 USD ($) | Dec. 31, 2023 USD ($) | Dec. 31, 2022 USD ($) | Nov. 01, 2016 USD ($)
Subordinated Borrowing [Line Items] |  |  |  |
Number of Unconsolidated Statutory Business Trusts |  | 13 |  |
Investments trust preferred securities |  | $ 2,900 |  |
Subordinated debentures and notes |  | $ 155,984 | $ 155,433 |
5.75% |  |  |  |
Subordinated Borrowing [Line Items] |  |  |  |
Fixed interest rate |  | 5.75% |  |
Senior Subordinated Notes [Member] |  |  |  |
Subordinated Borrowing [Line Items] |  |  |  |
Senior Subordinated Notes |  |  |  | $ 50,000
Redeemed value | $ 50,000 |  |  |
Loss on redemption | $ 700 |  |  |
Trust preferred securities [Member] |  |  |  |
Subordinated Borrowing [Line Items] |  |  |  |
Subordinated debentures and notes |  | $ 93,121 | 92,837 |
Trust preferred securities [Member] | EFSC Clayco Statutory Trust I |  |  |  |
Subordinated Borrowing [Line Items] |  |  |  |
Subordinated debentures and notes |  | $ 3,196 | 3,196 |
Maturity Date |  | Dec. 17, 2033 |  |
Initial Call Date (1) |  | Dec. 17, 2008 |  |
Floating interest rate |  | 0.0285 |  |
Trust preferred securities [Member] | EFSC Capital Trust II |  |  |  |
Subordinated Borrowing [Line Items] |  |  |  |
Subordinated debentures and notes |  | $ 5,155 | 5,155 |
Maturity Date |  | Jun. 17, 2034 |  |
Initial Call Date (1) |  | Jun. 17, 2009 |  |
Floating interest rate |  | 0.0265 |  |
Trust preferred securities [Member] | EFSC Statutory Trust III |  |  |  |
Subordinated Borrowing [Line Items] |  |  |  |
Subordinated debentures and notes |  | $ 11,341 | 11,341 |
Maturity Date |  | Dec. 15, 2034 |  |
Initial Call Date (1) |  | Dec. 15, 2009 |  |
Floating interest rate |  | 0.0197 |  |
Trust preferred securities [Member] | EFSC Clayco Statutory Trust II |  |  |  |
Subordinated Borrowing [Line Items] |  |  |  |
Subordinated debentures and notes |  | $ 4,124 | 4,124 |
Maturity Date |  | Sep. 15, 2035 |  |
Initial Call Date (1) |  | Sep. 15, 2010 |  |
Floating interest rate |  | 0.0183 |  |
Trust preferred securities [Member] | EFSC Statutory Trust IV |  |  |  |
Subordinated Borrowing [Line Items] |  |  |  |
Subordinated debentures and notes |  | $ 10,310 | 10,310 |
Maturity Date |  | Dec. 15, 2035 |  |
Initial Call Date (1) |  | Dec. 15, 2010 |  |
Floating interest rate |  | 0.0144 |  |
Trust preferred securities [Member] | EFSC Statutory Trust V |  |  |  |
Subordinated Borrowing [Line Items] |  |  |  |
Subordinated debentures and notes |  | $ 4,124 | 4,124 |
Maturity Date |  | Sep. 15, 2036 |  |
Initial Call Date (1) |  | Sep. 15, 2011 |  |
Floating interest rate |  | 0.0160 |  |
Trust preferred securities [Member] | EFSC Capital Trust VI |  |  |  |
Subordinated Borrowing [Line Items] |  |  |  |
Subordinated debentures and notes |  | $ 14,433 | 14,433 |
Maturity Date |  | Mar. 30, 2037 |  |
Initial Call Date (1) |  | Mar. 30, 2012 |  |
Floating interest rate |  | 0.0160 |  |
Trust preferred securities [Member] | EFSC Capital Trust VII |  |  |  |
Subordinated Borrowing [Line Items] |  |  |  |
Subordinated debentures and notes |  | $ 4,124 | 4,124 |
Maturity Date |  | Dec. 15, 2037 |  |
Initial Call Date (1) |  | Dec. 15, 2012 |  |
Floating interest rate |  | 0.0225 |  |
Trust preferred securities [Member] | JEFFCO Stat Trust I [Member] |  |  |  |
Subordinated Borrowing [Line Items] |  |  |  |
Fixed interest rate |  | 10.20% |  |
Subordinated debentures and notes |  | $ 7,732 | 7,732 |
Maturity Date |  | Feb. 22, 2031 |  |
Initial Call Date (1) |  | Feb. 22, 2011 |  |
Trust preferred securities [Member] | JEFFCO Stat Trust II [Member] |  |  |  |
Subordinated Borrowing [Line Items] |  |  |  |
Fixed interest rate |  | 2.75% |  |
Subordinated debentures and notes |  | $ 4,604 | 4,550 |
Maturity Date |  | Mar. 17, 2034 |  |
Initial Call Date (1) |  | Mar. 17, 2009 |  |
Trust preferred securities [Member] | Trinity Capital Trust III [Member] |  |  |  |
Subordinated Borrowing [Line Items] |  |  |  |
Fixed interest rate |  | 2.70% |  |
Subordinated debentures and notes |  | $ 5,473 | 5,406 |
Maturity Date |  | Sep. 08, 2034 |  |
Initial Call Date (1) |  | Sep. 08, 2009 |  |
Trust preferred securities [Member] | Trinity Capital Trust IV [Member] |  |  |  |
Subordinated Borrowing [Line Items] |  |  |  |
Fixed interest rate |  | 6.88% |  |
Subordinated debentures and notes |  | $ 10,310 | 10,310 |
Maturity Date |  | Nov. 23, 2035 |  |
Initial Call Date (1) |  | Aug. 23, 2010 |  |
Trust preferred securities [Member] | Trinity Capital Trust V [Member] |  |  |  |
Subordinated Borrowing [Line Items] |  |  |  |
Fixed interest rate |  | 1.65% |  |
Subordinated debentures and notes |  | $ 8,195 | 8,032 |
Maturity Date |  | Dec. 15, 2036 |  |
Initial Call Date (1) |  | Sep. 15, 2011 |  |
Senior Subordinated Notes [Member] |  |  |  |
Subordinated Borrowing [Line Items] |  |  |  |
Fixed interest rate |  | 4.75% |  |
Debt issuance costs |  | $ (387) | (654) |
Subordinated notes, net of issuance costs |  | $ 62,863 | 62,596 |
Senior Subordinated Notes [Member] | Secured Overnight Financing Rate (SOFR) Overnight Index Swap Rate |  |  |  |
Subordinated Borrowing [Line Items] |  |  |  |
Floating interest rate |  | 0.05660 |  |
Senior Subordinated Notes [Member] | 5.75% |  |  |  |
Subordinated Borrowing [Line Items] |  |  |  |
Subordinated debentures and notes |  | $ 63,250 | $ 63,250 |
Maturity Date |  | Jun. 01, 2030 |  |
Initial Call Date (1) |  | Jun. 01, 2025 |  |

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