XML 88 R72.htm IDEA: XBRL DOCUMENT
v3.3.1.900

Troubled Debt Restructurings (Loans By Class of Financing Receivable Modified as TDRs) (Details) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2015 USD ($) contract | Dec. 31, 2014 USD ($) contract | Dec. 31, 2013 USD ($) contract
Troubled Debt Restructuring, Subsequent Periods [Line Items] |  |  |
Number of Contracts | 23 | 25 |
Troubled Debt Restructurings Within Previous Twelve Months [Member] |  |  |
Troubled Debt Restructuring, Subsequent Periods [Line Items] |  |  |
Number of Contracts | 4 | 1 | 2
Financing Receivable, Modifications, Subsequent Default, Recorded Investment | $ | $ 954 | $ 79 | $ 1,614
Commercial - Non Real Estate Commercial And Industrial [Member] | Troubled Debt Restructurings Within Previous Twelve Months [Member] |  |  |
Troubled Debt Restructuring, Subsequent Periods [Line Items] |  |  |
Number of Contracts | 1 |  |
Financing Receivable, Modifications, Subsequent Default, Recorded Investment | $ | $ 267 |  |
Construction And Farmland Commercial [Member] | Troubled Debt Restructurings Within Previous Twelve Months [Member] |  |  |
Troubled Debt Restructuring, Subsequent Periods [Line Items] |  |  |
Number of Contracts |  | 1 | 2
Financing Receivable, Modifications, Subsequent Default, Recorded Investment | $ |  | $ 79 | $ 1,614
Residential Equity Lines [Member] | Troubled Debt Restructurings Within Previous Twelve Months [Member] |  |  |
Troubled Debt Restructuring, Subsequent Periods [Line Items] |  |  |
Number of Contracts | 1 |  |
Financing Receivable, Modifications, Subsequent Default, Recorded Investment | $ | $ 60 |  |
Residential Single Family Financing Receivable [Member] | Troubled Debt Restructurings Within Previous Twelve Months [Member] |  |  |
Troubled Debt Restructuring, Subsequent Periods [Line Items] |  |  |
Number of Contracts | 2 |  |
Financing Receivable, Modifications, Subsequent Default, Recorded Investment | $ | $ 627 |  |

X
- Definition Troubled Debt Restructuring, Subsequent Periods [Line Items] + References No definition available. + Details
Name: | efsi_TroubledDebtRestructuringSubsequentPeriodsLineItems
Namespace Prefix: | efsi_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Number of 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 10 -Section 50 -Paragraph 33 -URI http://asc.fasb.org/extlink&oid=49124121&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 of investment related to financing receivables modified by troubled debt restructurings within the previous 12 months, for which there was a payment default. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 34 -URI http://asc.fasb.org/extlink&oid=49124121&loc=SL6953682-111524 + Details
Name: | us-gaap_FinancingReceivableModificationsSubsequentDefaultRecordedInvestment1
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Details
Name: | efsi_TroubledDebtRestructuringCreditorSubsequentPeriodsAxis=efsi_TroubledDebtRestructuringsWithinPreviousTwelveMonthsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

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

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

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

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