XML 61 R50.htm IDEA: XBRL DOCUMENT
v3.19.1

Loans - Summary of Recorded Investment in Impaired Portfolio Loans by Category (Details) - USD ($) $ in Thousands | Mar. 31, 2019 | Dec. 31, 2018
--- | --- | ---
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Restructured, not on non-accrual | $ 4,700 |
Non-Covered Loans |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Impaired Financing Receivable, Recorded Investment | 9,607 | $ 16,745
Non-accrual | 9,416 | 16,520
Restructured, not on non-accrual | 191 | 225
Impaired Financing Receivable, Related Allowance | 2,795 | 4,453
Financing Receivable, Allowance for Credit Losses, Individually Evaluated for Impairment | 2,914 | 4,453
Non-Covered Loans | Commercial and industrial |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Impaired Financing Receivable, Recorded Investment | 7,205 | 12,950
Non-accrual | 7,094 | 12,805
Restructured, not on non-accrual | 111 | 145
Impaired Financing Receivable, Related Allowance | 2,199 | 4,266
Financing Receivable, Allowance for Credit Losses, Individually Evaluated for Impairment | 2,199 | 4,266
Non-Covered Loans | Commercial - investor owned |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Impaired Financing Receivable, Recorded Investment | 1,527 | 398
Non-accrual | 1,527 | 398
Restructured, not on non-accrual | 0 | 0
Impaired Financing Receivable, Related Allowance | 596 | 0
Financing Receivable, Allowance for Credit Losses, Individually Evaluated for Impairment | 596 | 0
Non-Covered Loans | Commercial - owner occupied |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Impaired Financing Receivable, Recorded Investment | 467 | 808
Non-accrual | 467 | 808
Restructured, not on non-accrual | 0 | 0
Impaired Financing Receivable, Related Allowance | 0 | 109
Financing Receivable, Allowance for Credit Losses, Individually Evaluated for Impairment | 119 | 109
Non-Covered Loans | Construction and land development |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Impaired Financing Receivable, Recorded Investment | 0 | 0
Non-accrual | 0 | 0
Restructured, not on non-accrual | 0 | 0
Impaired Financing Receivable, Related Allowance | 0 | 0
Financing Receivable, Allowance for Credit Losses, Individually Evaluated for Impairment | 0 | 0
Non-Covered Loans | Residential real estate |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Impaired Financing Receivable, Recorded Investment | 408 | 2,277
Non-accrual | 328 | 2,197
Restructured, not on non-accrual | 80 | 80
Impaired Financing Receivable, Related Allowance | 0 | 52
Financing Receivable, Allowance for Credit Losses, Individually Evaluated for Impairment | 0 | 52
Non-Covered Loans | Consumer and other |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Impaired Financing Receivable, Recorded Investment | 0 | 312
Non-accrual | 0 | 312
Restructured, not on non-accrual | 0 | 0
Impaired Financing Receivable, Related Allowance | 0 | 26
Financing Receivable, Allowance for Credit Losses, Individually Evaluated for Impairment | $ 0 | $ 26

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://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 11B -Subparagraph (g) -URI http://asc.fasb.org/extlink&oid=84173941&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 amount of the outstanding recorded investment related to financing receivables that have been modified by troubled debt restructurings. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 40 -Section 50 -Paragraph 4 -URI http://asc.fasb.org/extlink&oid=82895541&loc=d3e18845-111554 + Details
Name: | us-gaap_FinancingReceivableModificationsRecordedInvestment
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Recorded investment in financing receivables that are on nonaccrual status as of the balance sheet date. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 7 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=84173941&loc=d3e5111-111524 + Details
Name: | us-gaap_FinancingReceivableRecordedInvestmentNonaccrualStatus
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

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_FinancingReceivableRecordedInvestmentPastDueLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Amount of investment of impaired financing receivables with related allowance for credit losses and without a related allowance for credit losses. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 14A -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=84173941&loc=SL6953550-111524 + Details
Name: | us-gaap_ImpairedFinancingReceivableRecordedInvestment
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Amount of allowance for credit losses related to recorded investment. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 15 -Subparagraph (a)(3) -URI http://asc.fasb.org/extlink&oid=84173941&loc=d3e5212-111524 + Details
Name: | us-gaap_ImpairedFinancingReceivableRelatedAllowance
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
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: |