XML 78 R46.htm IDEA: XBRL DOCUMENT
v3.19.3

Loans - Summary of Recorded Investment in Portfolio Loans by Class and Category Based on Impairment Method (Details) $ in Thousands | 3 Months Ended | 9 Months Ended |  |  |
--- | --- | --- | --- | --- | ---
Sep. 30, 2018 USD ($) loan | Sep. 30, 2019 USD ($) loan | Sep. 30, 2018 USD ($) loan | Jun. 30, 2019 USD ($) | Mar. 31, 2019 USD ($) | Dec. 31, 2018 USD ($)
Summary of Recorded Investment in Non-covered Loans by Portfolio Class and Category Based on Impairment Method [Line Items] |  |  |  |  |  |
Total |  | $ 44,555 |  |  |  | $ 43,476
Loans - Ending balance: |  |  |  |  |  |
Loans and Leases Receivable, Gross |  | $ 5,228,014 |  |  |  | 4,350,001
Portfolio loans, net |  |  |  |  |  |
Summary of Recorded Investment in Non-covered Loans by Portfolio Class and Category Based on Impairment Method [Line Items] |  |  |  |  |  |
Financing Receivable, Modifications, Number of Contracts | loan | 1 | 3 | 1 |  |  |
Financing Receivable, Troubled Debt Restructuring, Postmodification | $ 187 | $ 520 | $ 187 |  |  |
Financing Receivable, Troubled Debt Restructuring, Premodification | $ 187 | 520 | $ 187 |  |  |
Individually evaluated for impairment |  | 2,408 |  |  |  | 4,453
Collectively evaluated for impairment |  | 41,290 |  |  |  | 37,842
Total |  | 43,698 |  | $ 42,935 | $ 41,945 | 42,295
Loans - Ending balance: |  |  |  |  |  |
Unamortized Loan Commitment and Origination Fees and Unamortized Discounts or Premiums |  | (2,346) |  |  |  | (2,026)
Individually evaluated for impairment |  | 16,771 |  |  |  | 18,071
Collectively evaluated for impairment |  | 5,115,620 |  |  |  | 4,285,529
Total |  | 5,134,737 |  |  |  | 4,305,626
Loans and Leases Receivable, Gross |  | $ 5,132,391 |  |  |  | 4,303,600
Portfolio loans, net | Commercial and industrial |  |  |  |  |  |
Summary of Recorded Investment in Non-covered Loans by Portfolio Class and Category Based on Impairment Method [Line Items] |  |  |  |  |  |
Financing Receivable, Modifications, Number of Contracts | loan | 1 | 0 | 1 |  |  |
Financing Receivable, Troubled Debt Restructuring, Postmodification | $ 187 | $ 0 | $ 187 |  |  |
Financing Receivable, Troubled Debt Restructuring, Premodification | $ 187 | 0 | $ 187 |  |  |
Individually evaluated for impairment |  | 2,023 |  |  |  | 4,266
Collectively evaluated for impairment |  | 26,851 |  |  |  | 24,773
Total |  | 28,874 |  | 29,093 | 28,660 | 29,039
Loans - Ending balance: |  |  |  |  |  |
Individually evaluated for impairment |  | 11,433 |  |  |  | 12,950
Collectively evaluated for impairment |  | 2,276,289 |  |  |  | 2,108,058
Total |  | 2,287,722 |  |  |  | 2,121,008
Portfolio loans, net | CRE - investor owned |  |  |  |  |  |
Summary of Recorded Investment in Non-covered Loans by Portfolio Class and Category Based on Impairment Method [Line Items] |  |  |  |  |  |
Individually evaluated for impairment |  | 258 |  |  |  | 0
Collectively evaluated for impairment |  | 5,410 |  |  |  | 4,683
Total |  | 5,668 |  | 5,324 | 5,339 | 4,683
Loans - Ending balance: |  |  |  |  |  |
Individually evaluated for impairment |  | 2,637 |  |  |  | 398
Collectively evaluated for impairment |  | 1,245,054 |  |  |  | 843,330
Total |  | $ 1,247,691 |  |  |  | 843,728
Portfolio loans, net | CRE - owner occupied |  |  |  |  |  |
Summary of Recorded Investment in Non-covered Loans by Portfolio Class and Category Based on Impairment Method [Line Items] |  |  |  |  |  |
Financing Receivable, Modifications, Number of Contracts | loan |  | 1 | 0 |  |  |
Financing Receivable, Troubled Debt Restructuring, Postmodification |  | $ 188 | $ 0 |  |  |
Financing Receivable, Troubled Debt Restructuring, Premodification |  | 188 | $ 0 |  |  |
Individually evaluated for impairment |  | 0 |  |  |  | 109
Collectively evaluated for impairment |  | 4,771 |  |  |  | 4,130
Total |  | 4,771 |  | 4,371 | 3,774 | 4,239
Loans - Ending balance: |  |  |  |  |  |
Individually evaluated for impairment |  | 1,423 |  |  |  | 2,135
Collectively evaluated for impairment |  | 659,010 |  |  |  | 602,363
Total |  | 660,433 |  |  |  | 604,498
Portfolio loans, net | Construction and land development |  |  |  |  |  |
Summary of Recorded Investment in Non-covered Loans by Portfolio Class and Category Based on Impairment Method [Line Items] |  |  |  |  |  |
Individually evaluated for impairment |  | 0 |  |  |  | 0
Collectively evaluated for impairment |  | 2,144 |  |  |  | 1,987
Total |  | 2,144 |  | 1,972 | 1,699 | 1,987
Loans - Ending balance: |  |  |  |  |  |
Individually evaluated for impairment |  | 0 |  |  |  | 0
Collectively evaluated for impairment |  | 425,639 |  |  |  | 330,097
Total |  | $ 425,639 |  |  |  | 330,097
Portfolio loans, net | Residential real estate |  |  |  |  |  |
Summary of Recorded Investment in Non-covered Loans by Portfolio Class and Category Based on Impairment Method [Line Items] |  |  |  |  |  |
Financing Receivable, Modifications, Number of Contracts | loan |  | 2 | 0 |  |  |
Financing Receivable, Troubled Debt Restructuring, Postmodification |  | $ 332 | $ 0 |  |  |
Financing Receivable, Troubled Debt Restructuring, Premodification |  | 332 | $ 0 |  |  |
Individually evaluated for impairment |  | 116 |  |  |  | 52
Collectively evaluated for impairment |  | 1,265 |  |  |  | 1,564
Total |  | 1,381 |  | 1,378 | 1,625 | 1,616
Loans - Ending balance: |  |  |  |  |  |
Individually evaluated for impairment |  | 1,267 |  |  |  | 2,277
Collectively evaluated for impairment |  | 372,895 |  |  |  | 296,667
Total |  | 374,162 |  |  |  | 298,944
Portfolio loans, net | Consumer and other |  |  |  |  |  |
Summary of Recorded Investment in Non-covered Loans by Portfolio Class and Category Based on Impairment Method [Line Items] |  |  |  |  |  |
Individually evaluated for impairment |  | 11 |  |  |  | 26
Collectively evaluated for impairment |  | 849 |  |  |  | 705
Total |  | 860 |  | $ 797 | $ 848 | 731
Loans - Ending balance: |  |  |  |  |  |
Individually evaluated for impairment |  | 11 |  |  |  | 311
Collectively evaluated for impairment |  | 136,733 |  |  |  | 105,014
Total |  | 139,090 |  |  |  | 107,351
Loans and Leases Receivable, Gross |  | $ 136,744 |  |  |  | $ 105,325

X
- Definition Summary of Recorded Investment in Non-covered Loans by Portfolio Class and Category Based on Impairment Method [Line Items] + References No definition available. + Details
Name: | efsc_SummaryOfRecordedInvestmentInNonCoveredLoansByPortfolioClassAndCategoryBasedOnImpairmentMethodLineItems
Namespace Prefix: | efsc_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Amount of allowance for credit loss on financing receivable. Excludes allowance for financing receivable covered under loss sharing agreement. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 11B -Subparagraph (c)(1) -URI http://asc.fasb.org/extlink&oid=118936363&loc=SL6953423-111524 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 326 -SubTopic 20 -Section 45 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=118955202&loc=SL82895884-210446 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 326 -SubTopic 20 -Section 50 -Paragraph 13 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=119407570&loc=SL82919249-210447 Reference 4: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03(7)(d)) -URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878 Reference 5: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 326 -SubTopic 20 -Section 50 -Paragraph 13 -Subparagraph (f) -URI http://asc.fasb.org/extlink&oid=119407570&loc=SL82919249-210447 + Details
Name: | us-gaap_FinancingReceivableAllowanceForCreditLosses
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition The valuation allowance for financing receivables that are expected to be uncollectible that were collectively evaluated for impairment. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 11B -Subparagraph (g) -URI http://asc.fasb.org/extlink&oid=118936363&loc=SL6953423-111524 + Details
Name: | us-gaap_FinancingReceivableAllowanceForCreditLossesCollectivelyEvaluatedForImpairment
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Amount of valuation allowance for financing receivables that are expected to be uncollectible that were individually evaluated for impairment. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 11B -Subparagraph (g) -URI http://asc.fasb.org/extlink&oid=118936363&loc=SL6953423-111524 + Details
Name: | us-gaap_FinancingReceivableAllowanceForCreditLossesIndividuallyEvaluatedForImpairment1
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition The balance of financing receivables that were collectively evaluated for impairment. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 11B -Subparagraph (h) -URI http://asc.fasb.org/extlink&oid=118936363&loc=SL6953423-111524 + Details
Name: | us-gaap_FinancingReceivableCollectivelyEvaluatedForImpairment
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition The balance of financing receivables that were individually evaluated for impairment. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 11B -Subparagraph (h) -URI http://asc.fasb.org/extlink&oid=118936363&loc=SL6953423-111524 + Details
Name: | us-gaap_FinancingReceivableIndividuallyEvaluatedForImpairment
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Number of financing receivables that have been modified by troubled debt restructurings. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 33 -URI http://asc.fasb.org/extlink&oid=118936363&loc=SL6953676-111524 + Details
Name: | us-gaap_FinancingReceivableModificationsNumberOfContracts2
Namespace Prefix: | us-gaap_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | duration

X
- Definition Amount, after troubled debt restructuring, of modified financing receivable. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 33 -URI http://asc.fasb.org/extlink&oid=118936363&loc=SL6953676-111524 + Details
Name: | us-gaap_FinancingReceivableModificationsPostModificationRecordedInvestment2
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Amount, before troubled debt restructuring, of financing receivable to be modified. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 33 -URI http://asc.fasb.org/extlink&oid=118936363&loc=SL6953676-111524 + Details
Name: | us-gaap_FinancingReceivableModificationsPreModificationRecordedInvestment2
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Amount before allowance of loans and leases held in portfolio, including but not limited to, commercial and consumer loans. Includes deferred interest and fees, undisbursed portion of loan balance, unamortized costs and premiums and discounts from face amounts. Excludes loans and leases covered under loss sharing agreements. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 45 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=118952595&loc=d3e4428-111522 + Details
Name: | us-gaap_LoansAndLeasesReceivableGrossCarryingAmount
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- References No definition available. + Details
Name: | us-gaap_LoansAndLeasesReceivableGrossCarryingAmountAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Amount, before allowance for credit loss, of financing receivable. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 326 -SubTopic 20 -Section 50 -Paragraph 5 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=119407570&loc=SL82919230-210447 + Details
Name: | us-gaap_NotesReceivableGross
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Amount of deferred fees paid by borrowers and unamortized costs incurred to originate loans and leases, unamortized loan commitments and loan syndication fees, and premiums over or discounts from face amounts of loans that are being amortized into income as an adjustment to yield. Excludes amounts for loans and leases covered under loss sharing agreements. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 20 -Section 45 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6378536&loc=d3e10092-111533 + Details
Name: | us-gaap_UnamortizedLoanCommitmentAndOriginationFeesAndUnamortizedDiscountsOrPremiums
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Details
Name: | efsc_LoansByMajorCategoryAxis=efsc_NoncoveredLoansMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis=efsc_CommercialAndIndustrialPortfolioSegmentMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis=efsc_CommercialRealEstateInvestorOwnedFinancingReceivableMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis=efsc_CommercialRealEstateOwnerOccupiedFinancingReceivableMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis=efsc_ConstructionAndLandDevelopmentFinancingReceivableMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis=efsc_ResidentialRealEstateFinancingReceivableMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis=efsc_ConsumerAndOtherPortfolioSegmentMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |