XML 104 R88.htm IDEA: XBRL DOCUMENT
v3.20.4

Subordinated Debentures (Details) $ in Thousands | 12 Months Ended |
--- | --- | ---
Dec. 31, 2020 USD ($) shares | Dec. 31, 2019 USD ($) shares | Dec. 31, 2018 shares | 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 | $ 203,637 | $ 141,258 |  |
Conversion of subordinated debt into common stock (in shares) | shares | 0 | 0 | 0 |
5.75% |  |  |  |
Subordinated Borrowing [Line Items] |  |  |  |
Fixed interest rate | 5.75% |  |  |
Senior Subordinated Notes [Member] |  |  |  |
Subordinated Borrowing [Line Items] |  |  |  |
Senior Subordinated Notes |  |  |  | $ 50,000
Subordinated Notes, Redemption Price | 100.00% |  |  |
Trust preferred securities [Member] |  |  |  |
Subordinated Borrowing [Line Items] |  |  |  |
Subordinated debentures and notes | $ 92,290 | $ 92,132 |  |
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 |  |  |
Description of variable rate | 3 Month LIBOR |  |  |
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 |  |  |
Description of variable rate | 3 Month LIBOR |  |  |
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 |  |  |
Description of variable rate | 3 Month LIBOR |  |  |
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 |  |  |
Description of variable rate | 3 Month LIBOR |  |  |
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 |  |  |
Description of variable rate | 3 Month LIBOR |  |  |
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 |  |  |
Description of variable rate | 3 Month LIBOR |  |  |
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 |  |  |
Description of variable rate | 3 Month LIBOR |  |  |
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 |  |  |
Description of variable rate | 3 Month LIBOR |  |  |
Floating interest rate | 0.0225 |  |  |
Trust preferred securities [Member] | JEFFCO Stat Trust I [Member] |  |  |  |
Subordinated Borrowing [Line Items] |  |  |  |
Subordinated debentures and notes | $ 7,752 | 7,886 |  |
Maturity Date | Feb. 22, 2031 |  |  |
Initial Call Date (1) | Feb. 22, 2011 |  |  |
Fixed interest rate | 10.20% |  |  |
Trust preferred securities [Member] | EFSC Capital Trust VIII |  |  |  |
Subordinated Borrowing [Line Items] |  |  |  |
Fixed interest rate | 9.00% |  |  |
Trust preferred securities [Member] | JEFFCO Stat Trust II [Member] |  |  |  |
Subordinated Borrowing [Line Items] |  |  |  |
Subordinated debentures and notes | $ 4,443 | 4,388 |  |
Maturity Date | Mar. 17, 2034 |  |  |
Initial Call Date (1) | Mar. 17, 2009 |  |  |
Description of variable rate | 3 Month LIBOR |  |  |
Fixed interest rate | 2.75% |  |  |
Trust preferred securities [Member] | Trinity Capital Trust III [Member] |  |  |  |
Subordinated Borrowing [Line Items] |  |  |  |
Subordinated debentures and notes | $ 5,272 | 5,206 |  |
Maturity Date | Sep. 08, 2034 |  |  |
Initial Call Date (1) | Sep. 08, 2009 |  |  |
Description of variable rate | 3 Month LIBOR |  |  |
Fixed interest rate | 2.70% |  |  |
Trust preferred securities [Member] | Trinity Capital Trust IV [Member] |  |  |  |
Subordinated Borrowing [Line Items] |  |  |  |
Subordinated debentures and notes | $ 10,310 | 10,302 |  |
Maturity Date | Nov. 23, 2035 |  |  |
Initial Call Date (1) | Aug. 23, 2010 |  |  |
Fixed interest rate | 6.88% |  |  |
Trust preferred securities [Member] | Trinity Capital Trust V [Member] |  |  |  |
Subordinated Borrowing [Line Items] |  |  |  |
Subordinated debentures and notes | $ 7,706 | 7,543 |  |
Maturity Date | Dec. 15, 2036 |  |  |
Initial Call Date (1) | Sep. 15, 2011 |  |  |
Description of variable rate | 3 Month LIBOR |  |  |
Fixed interest rate | 1.65% |  |  |
Senior Subordinated Notes [Member] |  |  |  |
Subordinated Borrowing [Line Items] |  |  |  |
Subordinated debentures and notes | $ 50,000 | 50,000 |  |
Debt issuance costs | (1,903) | (874) |  |
Subordinated notes, net of issuance costs | $ 111,347 | 49,126 |  |
Maturity Date | Nov. 01, 2026 |  |  |
Initial Call Date (1) | Nov. 01, 2021 |  |  |
Floating interest rate | 0.03387 |  |  |
Fixed interest rate | 4.75% |  |  |
Senior Subordinated Notes [Member] | Secured Overnight Financing Rate (SOFR) Overnight Index Swap Rate |  |  |  |
Subordinated Borrowing [Line Items] |  |  |  |
Floating interest rate | 0.0566 |  |  |
Senior Subordinated Notes [Member] | 5.75% |  |  |  |
Subordinated Borrowing [Line Items] |  |  |  |
Subordinated debentures and notes | $ 63,250 | $ 0 |  |
Maturity Date | Jun. 01, 2030 |  |  |
Initial Call Date (1) | Jun. 01, 2025 |  |  |

X
- Definition Investments trust preferred securities + References No definition available. + Details
Name: | efsc_Investmentstrustpreferredsecurities
Namespace Prefix: | efsc_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Number of Unconsolidated Statutory Business Trusts + References No definition available. + Details
Name: | efsc_NumberofUnconsolidatedStatutoryBusinessTrusts
Namespace Prefix: | efsc_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | duration

X
- Definition Subordinated Borrowing, Basis Spread on Variable Rate + References No definition available. + Details
Name: | efsc_SubordinatedBorrowingBasisSpreadonVariableRate
Namespace Prefix: | efsc_
Data Type: | xbrli:pureItemType
Balance Type: | na
Period Type: | instant

X
- Definition Subordinated Borrowing, Call Date + References No definition available. + Details
Name: | efsc_SubordinatedBorrowingCallDate
Namespace Prefix: | efsc_
Data Type: | xbrli:dateItemType
Balance Type: | na
Period Type: | duration

X
- Definition Subordinated Borrowing, Description of Variable Rate + References No definition available. + Details
Name: | efsc_SubordinatedBorrowingDescriptionOfVariableRate
Namespace Prefix: | efsc_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Percentage at which subordinated notes can be redeemed in part or in whole. + References No definition available. + Details
Name: | efsc_SubordinatedNotesRedemptionPrice
Namespace Prefix: | efsc_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | instant

X
- Definition Subordinated notes, net of issuance costs + References No definition available. + Details
Name: | efsc_Subordinatednotesnetofissuancecosts
Namespace Prefix: | efsc_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Including the current and noncurrent portions, carrying value as of the balance sheet date of long-term debt (with maturities initially due after one year or beyond the operating cycle if longer) identified as Junior Subordinated Notes, which have a lower priority than senior instruments. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-03(16)(a)) -URI http://asc.fasb.org/extlink&oid=119400593&loc=d3e572229-122910 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(22)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03(16)) -URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878 + Details
Name: | us-gaap_JuniorSubordinatedNotes
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition The cash outflow paid to third parties in connection with debt origination, which will be amortized over the remaining maturity period of the associated long-term debt. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 15 -Subparagraph (e) -URI http://asc.fasb.org/extlink&oid=118932676&loc=d3e3291-108585 + Details
Name: | us-gaap_PaymentsOfDebtIssuanceCosts
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Number of shares issued during the period as a result of the conversion of convertible securities. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.3-04) -URI http://asc.fasb.org/extlink&oid=27012166&loc=d3e187085-122770 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.29-30) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section 50 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=109259400&loc=d3e21475-112644 Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=109259400&loc=d3e21463-112644 + Details
Name: | us-gaap_StockIssuedDuringPeriodSharesConversionOfConvertibleSecurities
Namespace Prefix: | us-gaap_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | duration

X
- Definition Date the payments are due on subordinated debt, in CCYY-MM-DD format. + References No definition available. + Details
Name: | us-gaap_SubordinatedBorrowingDueDate
Namespace Prefix: | us-gaap_
Data Type: | xbrli:dateItemType
Balance Type: | na
Period Type: | duration

X
- Definition Stated interest rate of the subordinated debt. + References No definition available. + Details
Name: | us-gaap_SubordinatedBorrowingInterestRate
Namespace Prefix: | us-gaap_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References No definition available. + Details
Name: | us-gaap_SubordinatedBorrowingLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Including the current and noncurrent portions, carrying value as of the balance sheet date of subordinated debt (with initial maturities beyond one year or beyond the operating cycle if longer). Subordinated debt places a lender in a lien position behind debt having a higher priority of repayment in liquidation of the entity's assets. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(19)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03(16)) -URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-03(a)(16)) -URI http://asc.fasb.org/extlink&oid=119400593&loc=d3e572229-122910 Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(22)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
Name: | us-gaap_SubordinatedDebt
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Details
Name: | efsc_FixedInterestRateAxis=efsc_A575Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_SubordinatedBorrowingAxis=us-gaap_SeniorSubordinatedNotesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_LongtermDebtTypeAxis=us-gaap_TrustPreferredSecuritiesSubjectToMandatoryRedemptionMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_SubordinatedBorrowingAxis=efsc_EfscClaycoStatutoryTrustIMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_SubordinatedBorrowingAxis=efsc_EfscCapitalTrustIiMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_SubordinatedBorrowingAxis=efsc_EfscStatutoryTrustIiiMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_SubordinatedBorrowingAxis=efsc_EfscClaycoStatutoryTrustIiMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_SubordinatedBorrowingAxis=efsc_EfscStatutoryTrustIvMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_SubordinatedBorrowingAxis=efsc_EfscStatutoryTrustVMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_SubordinatedBorrowingAxis=efsc_EfscCapitalTrustViMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_SubordinatedBorrowingAxis=efsc_EfscCapitalTrustViiMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_SubordinatedBorrowingAxis=efsc_JEFFCOStatTrustIMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_SubordinatedBorrowingAxis=efsc_EfscCapitalTrustViiiMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_SubordinatedBorrowingAxis=efsc_JEFFCOStatTrustIIMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_SubordinatedBorrowingAxis=efsc_TrinityCapitalTrustIIIMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_SubordinatedBorrowingAxis=efsc_TrinityCapitalTrustIVMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_SubordinatedBorrowingAxis=efsc_TrinityCapitalTrustVMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_LongtermDebtTypeAxis=us-gaap_SeniorSubordinatedNotesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_VariableRateAxis=us-gaap_SecuredOvernightFinancingRateSofrOvernightIndexSwapRateMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |