XML 130 R69.htm IDEA: XBRL DOCUMENT v2.4.1.9
Allowance for Loan Losses (Credit Quality Information By Class) (Details) (USD $)
In Thousands, unless otherwise specified
Dec. 31, 2014
Dec. 31, 2013
Financing Receivable, Recorded Investment [Line Items]    
Financing receivables $ 455,946efsi_CreditQualityLoansAndLeasesReceivableGrossCarryingAmount $ 430,488efsi_CreditQualityLoansAndLeasesReceivableGrossCarryingAmount
Pass [Member]    
Financing Receivable, Recorded Investment [Line Items]    
Financing receivables 373,324efsi_CreditQualityLoansAndLeasesReceivableGrossCarryingAmount
/ us-gaap_InternalCreditAssessmentAxis
= us-gaap_PassMember		 346,755efsi_CreditQualityLoansAndLeasesReceivableGrossCarryingAmount
/ us-gaap_InternalCreditAssessmentAxis
= us-gaap_PassMember
Watch [Member]    
Financing Receivable, Recorded Investment [Line Items]    
Financing receivables 62,540efsi_CreditQualityLoansAndLeasesReceivableGrossCarryingAmount
/ us-gaap_InternalCreditAssessmentAxis
= efsi_WatchMember		 44,370efsi_CreditQualityLoansAndLeasesReceivableGrossCarryingAmount
/ us-gaap_InternalCreditAssessmentAxis
= efsi_WatchMember
Special Mention [Member]    
Financing Receivable, Recorded Investment [Line Items]    
Financing receivables 3,506efsi_CreditQualityLoansAndLeasesReceivableGrossCarryingAmount
/ us-gaap_InternalCreditAssessmentAxis
= us-gaap_SpecialMentionMember		 21,622efsi_CreditQualityLoansAndLeasesReceivableGrossCarryingAmount
/ us-gaap_InternalCreditAssessmentAxis
= us-gaap_SpecialMentionMember
Substandard [Member]    
Financing Receivable, Recorded Investment [Line Items]    
Financing receivables 13,620efsi_CreditQualityLoansAndLeasesReceivableGrossCarryingAmount
/ us-gaap_InternalCreditAssessmentAxis
= us-gaap_SubstandardMember		 14,125efsi_CreditQualityLoansAndLeasesReceivableGrossCarryingAmount
/ us-gaap_InternalCreditAssessmentAxis
= us-gaap_SubstandardMember
Doubtful [Member]    
Financing Receivable, Recorded Investment [Line Items]    
Financing receivables 2,956efsi_CreditQualityLoansAndLeasesReceivableGrossCarryingAmount
/ us-gaap_InternalCreditAssessmentAxis
= us-gaap_DoubtfulMember		 3,616efsi_CreditQualityLoansAndLeasesReceivableGrossCarryingAmount
/ us-gaap_InternalCreditAssessmentAxis
= us-gaap_DoubtfulMember
Loss [Member]    
Financing Receivable, Recorded Investment [Line Items]    
Financing receivables 0efsi_CreditQualityLoansAndLeasesReceivableGrossCarryingAmount
/ us-gaap_InternalCreditAssessmentAxis
= us-gaap_UnlikelyToBeCollectedFinancingReceivableMember		 0efsi_CreditQualityLoansAndLeasesReceivableGrossCarryingAmount
/ us-gaap_InternalCreditAssessmentAxis
= us-gaap_UnlikelyToBeCollectedFinancingReceivableMember
Performing [Member]    
Financing Receivable, Recorded Investment [Line Items]    
Financing receivables 13,803efsi_CreditQualityLoansAndLeasesReceivableGrossCarryingAmount
/ us-gaap_InternalCreditAssessmentAxis
= us-gaap_PerformingFinancingReceivableMember		 13,670efsi_CreditQualityLoansAndLeasesReceivableGrossCarryingAmount
/ us-gaap_InternalCreditAssessmentAxis
= us-gaap_PerformingFinancingReceivableMember
Nonperforming [Member]    
Financing Receivable, Recorded Investment [Line Items]    
Financing receivables 71efsi_CreditQualityLoansAndLeasesReceivableGrossCarryingAmount
/ us-gaap_InternalCreditAssessmentAxis
= us-gaap_NonperformingFinancingReceivableMember		 115efsi_CreditQualityLoansAndLeasesReceivableGrossCarryingAmount
/ us-gaap_InternalCreditAssessmentAxis
= us-gaap_NonperformingFinancingReceivableMember
Commercial - Non Real Estate Commercial And Industrial [Member]    
Financing Receivable, Recorded Investment [Line Items]    
Financing receivables 28,132efsi_CreditQualityLoansAndLeasesReceivableGrossCarryingAmount
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= efsi_CommercialNonRealEstateCommercialAndIndustrialFinancingReceivableMember		 20,865efsi_CreditQualityLoansAndLeasesReceivableGrossCarryingAmount
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= efsi_CommercialNonRealEstateCommercialAndIndustrialFinancingReceivableMember
Commercial - Non Real Estate Commercial And Industrial [Member] | Pass [Member]    
Financing Receivable, Recorded Investment [Line Items]    
Financing receivables 24,579efsi_CreditQualityLoansAndLeasesReceivableGrossCarryingAmount
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= efsi_CommercialNonRealEstateCommercialAndIndustrialFinancingReceivableMember
/ us-gaap_InternalCreditAssessmentAxis
= us-gaap_PassMember		 16,565efsi_CreditQualityLoansAndLeasesReceivableGrossCarryingAmount
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= efsi_CommercialNonRealEstateCommercialAndIndustrialFinancingReceivableMember
/ us-gaap_InternalCreditAssessmentAxis
= us-gaap_PassMember
Commercial - Non Real Estate Commercial And Industrial [Member] | Watch [Member]    
Financing Receivable, Recorded Investment [Line Items]    
Financing receivables 1,775efsi_CreditQualityLoansAndLeasesReceivableGrossCarryingAmount
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= efsi_CommercialNonRealEstateCommercialAndIndustrialFinancingReceivableMember
/ us-gaap_InternalCreditAssessmentAxis
= efsi_WatchMember		 2,820efsi_CreditQualityLoansAndLeasesReceivableGrossCarryingAmount
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= efsi_CommercialNonRealEstateCommercialAndIndustrialFinancingReceivableMember
/ us-gaap_InternalCreditAssessmentAxis
= efsi_WatchMember
Commercial - Non Real Estate Commercial And Industrial [Member] | Special Mention [Member]    
Financing Receivable, Recorded Investment [Line Items]    
Financing receivables 21efsi_CreditQualityLoansAndLeasesReceivableGrossCarryingAmount
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= efsi_CommercialNonRealEstateCommercialAndIndustrialFinancingReceivableMember
/ us-gaap_InternalCreditAssessmentAxis
= us-gaap_SpecialMentionMember		 86efsi_CreditQualityLoansAndLeasesReceivableGrossCarryingAmount
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= efsi_CommercialNonRealEstateCommercialAndIndustrialFinancingReceivableMember
/ us-gaap_InternalCreditAssessmentAxis
= us-gaap_SpecialMentionMember
Commercial - Non Real Estate Commercial And Industrial [Member] | Substandard [Member]    
Financing Receivable, Recorded Investment [Line Items]    
Financing receivables 701efsi_CreditQualityLoansAndLeasesReceivableGrossCarryingAmount
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= efsi_CommercialNonRealEstateCommercialAndIndustrialFinancingReceivableMember
/ us-gaap_InternalCreditAssessmentAxis
= us-gaap_SubstandardMember		 106efsi_CreditQualityLoansAndLeasesReceivableGrossCarryingAmount
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= efsi_CommercialNonRealEstateCommercialAndIndustrialFinancingReceivableMember
/ us-gaap_InternalCreditAssessmentAxis
= us-gaap_SubstandardMember
Commercial - Non Real Estate Commercial And Industrial [Member] | Doubtful [Member]    
Financing Receivable, Recorded Investment [Line Items]    
Financing receivables 1,056efsi_CreditQualityLoansAndLeasesReceivableGrossCarryingAmount
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= efsi_CommercialNonRealEstateCommercialAndIndustrialFinancingReceivableMember
/ us-gaap_InternalCreditAssessmentAxis
= us-gaap_DoubtfulMember		 1,288efsi_CreditQualityLoansAndLeasesReceivableGrossCarryingAmount
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= efsi_CommercialNonRealEstateCommercialAndIndustrialFinancingReceivableMember
/ us-gaap_InternalCreditAssessmentAxis
= us-gaap_DoubtfulMember
Commercial - Non Real Estate Commercial And Industrial [Member] | Loss [Member]    
Financing Receivable, Recorded Investment [Line Items]    
Financing receivables 0efsi_CreditQualityLoansAndLeasesReceivableGrossCarryingAmount
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= efsi_CommercialNonRealEstateCommercialAndIndustrialFinancingReceivableMember
/ us-gaap_InternalCreditAssessmentAxis
= us-gaap_UnlikelyToBeCollectedFinancingReceivableMember		 0efsi_CreditQualityLoansAndLeasesReceivableGrossCarryingAmount
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= efsi_CommercialNonRealEstateCommercialAndIndustrialFinancingReceivableMember
/ us-gaap_InternalCreditAssessmentAxis
= us-gaap_UnlikelyToBeCollectedFinancingReceivableMember
Commercial Real Estate Owner Occupied [Member]    
Financing Receivable, Recorded Investment [Line Items]    
Financing receivables 99,707efsi_CreditQualityLoansAndLeasesReceivableGrossCarryingAmount
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= efsi_CommercialRealEstateOwnerOccupiedMember		 92,445efsi_CreditQualityLoansAndLeasesReceivableGrossCarryingAmount
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= efsi_CommercialRealEstateOwnerOccupiedMember
Commercial Real Estate Owner Occupied [Member] | Pass [Member]    
Financing Receivable, Recorded Investment [Line Items]    
Financing receivables 77,979efsi_CreditQualityLoansAndLeasesReceivableGrossCarryingAmount
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= efsi_CommercialRealEstateOwnerOccupiedMember
/ us-gaap_InternalCreditAssessmentAxis
= us-gaap_PassMember		 73,998efsi_CreditQualityLoansAndLeasesReceivableGrossCarryingAmount
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= efsi_CommercialRealEstateOwnerOccupiedMember
/ us-gaap_InternalCreditAssessmentAxis
= us-gaap_PassMember
Commercial Real Estate Owner Occupied [Member] | Watch [Member]    
Financing Receivable, Recorded Investment [Line Items]    
Financing receivables 17,401efsi_CreditQualityLoansAndLeasesReceivableGrossCarryingAmount
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= efsi_CommercialRealEstateOwnerOccupiedMember
/ us-gaap_InternalCreditAssessmentAxis
= efsi_WatchMember		 12,036efsi_CreditQualityLoansAndLeasesReceivableGrossCarryingAmount
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= efsi_CommercialRealEstateOwnerOccupiedMember
/ us-gaap_InternalCreditAssessmentAxis
= efsi_WatchMember
Commercial Real Estate Owner Occupied [Member] | Special Mention [Member]    
Financing Receivable, Recorded Investment [Line Items]    
Financing receivables 0efsi_CreditQualityLoansAndLeasesReceivableGrossCarryingAmount
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= efsi_CommercialRealEstateOwnerOccupiedMember
/ us-gaap_InternalCreditAssessmentAxis
= us-gaap_SpecialMentionMember		 3,322efsi_CreditQualityLoansAndLeasesReceivableGrossCarryingAmount
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= efsi_CommercialRealEstateOwnerOccupiedMember
/ us-gaap_InternalCreditAssessmentAxis
= us-gaap_SpecialMentionMember
Commercial Real Estate Owner Occupied [Member] | Substandard [Member]    
Financing Receivable, Recorded Investment [Line Items]    
Financing receivables 3,189efsi_CreditQualityLoansAndLeasesReceivableGrossCarryingAmount
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= efsi_CommercialRealEstateOwnerOccupiedMember
/ us-gaap_InternalCreditAssessmentAxis
= us-gaap_SubstandardMember		 1,820efsi_CreditQualityLoansAndLeasesReceivableGrossCarryingAmount
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= efsi_CommercialRealEstateOwnerOccupiedMember
/ us-gaap_InternalCreditAssessmentAxis
= us-gaap_SubstandardMember
Commercial Real Estate Owner Occupied [Member] | Doubtful [Member]    
Financing Receivable, Recorded Investment [Line Items]    
Financing receivables 1,138efsi_CreditQualityLoansAndLeasesReceivableGrossCarryingAmount
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= efsi_CommercialRealEstateOwnerOccupiedMember
/ us-gaap_InternalCreditAssessmentAxis
= us-gaap_DoubtfulMember		 1,269efsi_CreditQualityLoansAndLeasesReceivableGrossCarryingAmount
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= efsi_CommercialRealEstateOwnerOccupiedMember
/ us-gaap_InternalCreditAssessmentAxis
= us-gaap_DoubtfulMember
Commercial Real Estate Owner Occupied [Member] | Loss [Member]    
Financing Receivable, Recorded Investment [Line Items]    
Financing receivables 0efsi_CreditQualityLoansAndLeasesReceivableGrossCarryingAmount
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= efsi_CommercialRealEstateOwnerOccupiedMember
/ us-gaap_InternalCreditAssessmentAxis
= us-gaap_UnlikelyToBeCollectedFinancingReceivableMember		 0efsi_CreditQualityLoansAndLeasesReceivableGrossCarryingAmount
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= efsi_CommercialRealEstateOwnerOccupiedMember
/ us-gaap_InternalCreditAssessmentAxis
= us-gaap_UnlikelyToBeCollectedFinancingReceivableMember
Commercial Real Estate Non-Owner Occupied [Member]    
Financing Receivable, Recorded Investment [Line Items]    
Financing receivables 61,592efsi_CreditQualityLoansAndLeasesReceivableGrossCarryingAmount
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= efsi_CommercialRealEstateNonOwnerOccupiedMember		 55,721efsi_CreditQualityLoansAndLeasesReceivableGrossCarryingAmount
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= efsi_CommercialRealEstateNonOwnerOccupiedMember
Commercial Real Estate Non-Owner Occupied [Member] | Pass [Member]    
Financing Receivable, Recorded Investment [Line Items]    
Financing receivables 42,630efsi_CreditQualityLoansAndLeasesReceivableGrossCarryingAmount
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= efsi_CommercialRealEstateNonOwnerOccupiedMember
/ us-gaap_InternalCreditAssessmentAxis
= us-gaap_PassMember		 31,484efsi_CreditQualityLoansAndLeasesReceivableGrossCarryingAmount
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= efsi_CommercialRealEstateNonOwnerOccupiedMember
/ us-gaap_InternalCreditAssessmentAxis
= us-gaap_PassMember
Commercial Real Estate Non-Owner Occupied [Member] | Watch [Member]    
Financing Receivable, Recorded Investment [Line Items]    
Financing receivables 14,779efsi_CreditQualityLoansAndLeasesReceivableGrossCarryingAmount
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= efsi_CommercialRealEstateNonOwnerOccupiedMember
/ us-gaap_InternalCreditAssessmentAxis
= efsi_WatchMember		 14,922efsi_CreditQualityLoansAndLeasesReceivableGrossCarryingAmount
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= efsi_CommercialRealEstateNonOwnerOccupiedMember
/ us-gaap_InternalCreditAssessmentAxis
= efsi_WatchMember
Commercial Real Estate Non-Owner Occupied [Member] | Special Mention [Member]    
Financing Receivable, Recorded Investment [Line Items]    
Financing receivables 1,402efsi_CreditQualityLoansAndLeasesReceivableGrossCarryingAmount
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= efsi_CommercialRealEstateNonOwnerOccupiedMember
/ us-gaap_InternalCreditAssessmentAxis
= us-gaap_SpecialMentionMember		 5,557efsi_CreditQualityLoansAndLeasesReceivableGrossCarryingAmount
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= efsi_CommercialRealEstateNonOwnerOccupiedMember
/ us-gaap_InternalCreditAssessmentAxis
= us-gaap_SpecialMentionMember
Commercial Real Estate Non-Owner Occupied [Member] | Substandard [Member]    
Financing Receivable, Recorded Investment [Line Items]    
Financing receivables 2,733efsi_CreditQualityLoansAndLeasesReceivableGrossCarryingAmount
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= efsi_CommercialRealEstateNonOwnerOccupiedMember
/ us-gaap_InternalCreditAssessmentAxis
= us-gaap_SubstandardMember		 3,758efsi_CreditQualityLoansAndLeasesReceivableGrossCarryingAmount
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= efsi_CommercialRealEstateNonOwnerOccupiedMember
/ us-gaap_InternalCreditAssessmentAxis
= us-gaap_SubstandardMember
Commercial Real Estate Non-Owner Occupied [Member] | Doubtful [Member]    
Financing Receivable, Recorded Investment [Line Items]    
Financing receivables 48efsi_CreditQualityLoansAndLeasesReceivableGrossCarryingAmount
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= efsi_CommercialRealEstateNonOwnerOccupiedMember
/ us-gaap_InternalCreditAssessmentAxis
= us-gaap_DoubtfulMember		 0efsi_CreditQualityLoansAndLeasesReceivableGrossCarryingAmount
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= efsi_CommercialRealEstateNonOwnerOccupiedMember
/ us-gaap_InternalCreditAssessmentAxis
= us-gaap_DoubtfulMember
Commercial Real Estate Non-Owner Occupied [Member] | Loss [Member]    
Financing Receivable, Recorded Investment [Line Items]    
Financing receivables 0efsi_CreditQualityLoansAndLeasesReceivableGrossCarryingAmount
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= efsi_CommercialRealEstateNonOwnerOccupiedMember
/ us-gaap_InternalCreditAssessmentAxis
= us-gaap_UnlikelyToBeCollectedFinancingReceivableMember		 0efsi_CreditQualityLoansAndLeasesReceivableGrossCarryingAmount
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= efsi_CommercialRealEstateNonOwnerOccupiedMember
/ us-gaap_InternalCreditAssessmentAxis
= us-gaap_UnlikelyToBeCollectedFinancingReceivableMember
Construction And Farmland Residential [Member]    
Financing Receivable, Recorded Investment [Line Items]    
Financing receivables 5,201efsi_CreditQualityLoansAndLeasesReceivableGrossCarryingAmount
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= efsi_ConstructionAndFarmlandResidentialFinancingReceivableMember		 7,860efsi_CreditQualityLoansAndLeasesReceivableGrossCarryingAmount
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= efsi_ConstructionAndFarmlandResidentialFinancingReceivableMember
Construction And Farmland Residential [Member] | Pass [Member]    
Financing Receivable, Recorded Investment [Line Items]    
Financing receivables 5,112efsi_CreditQualityLoansAndLeasesReceivableGrossCarryingAmount
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= efsi_ConstructionAndFarmlandResidentialFinancingReceivableMember
/ us-gaap_InternalCreditAssessmentAxis
= us-gaap_PassMember		 7,738efsi_CreditQualityLoansAndLeasesReceivableGrossCarryingAmount
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= efsi_ConstructionAndFarmlandResidentialFinancingReceivableMember
/ us-gaap_InternalCreditAssessmentAxis
= us-gaap_PassMember
Construction And Farmland Residential [Member] | Watch [Member]    
Financing Receivable, Recorded Investment [Line Items]    
Financing receivables 89efsi_CreditQualityLoansAndLeasesReceivableGrossCarryingAmount
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= efsi_ConstructionAndFarmlandResidentialFinancingReceivableMember
/ us-gaap_InternalCreditAssessmentAxis
= efsi_WatchMember		 122efsi_CreditQualityLoansAndLeasesReceivableGrossCarryingAmount
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= efsi_ConstructionAndFarmlandResidentialFinancingReceivableMember
/ us-gaap_InternalCreditAssessmentAxis
= efsi_WatchMember
Construction And Farmland Residential [Member] | Special Mention [Member]    
Financing Receivable, Recorded Investment [Line Items]    
Financing receivables   0efsi_CreditQualityLoansAndLeasesReceivableGrossCarryingAmount
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= efsi_ConstructionAndFarmlandResidentialFinancingReceivableMember
/ us-gaap_InternalCreditAssessmentAxis
= us-gaap_SpecialMentionMember
Construction And Farmland Residential [Member] | Substandard [Member]    
Financing Receivable, Recorded Investment [Line Items]    
Financing receivables   0efsi_CreditQualityLoansAndLeasesReceivableGrossCarryingAmount
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= efsi_ConstructionAndFarmlandResidentialFinancingReceivableMember
/ us-gaap_InternalCreditAssessmentAxis
= us-gaap_SubstandardMember
Construction And Farmland Residential [Member] | Doubtful [Member]    
Financing Receivable, Recorded Investment [Line Items]    
Financing receivables   0efsi_CreditQualityLoansAndLeasesReceivableGrossCarryingAmount
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= efsi_ConstructionAndFarmlandResidentialFinancingReceivableMember
/ us-gaap_InternalCreditAssessmentAxis
= us-gaap_DoubtfulMember
Construction And Farmland Residential [Member] | Loss [Member]    
Financing Receivable, Recorded Investment [Line Items]    
Financing receivables 0efsi_CreditQualityLoansAndLeasesReceivableGrossCarryingAmount
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= efsi_ConstructionAndFarmlandResidentialFinancingReceivableMember
/ us-gaap_InternalCreditAssessmentAxis
= us-gaap_UnlikelyToBeCollectedFinancingReceivableMember		 0efsi_CreditQualityLoansAndLeasesReceivableGrossCarryingAmount
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= efsi_ConstructionAndFarmlandResidentialFinancingReceivableMember
/ us-gaap_InternalCreditAssessmentAxis
= us-gaap_UnlikelyToBeCollectedFinancingReceivableMember
Construction And Farmland Commercial [Member]    
Financing Receivable, Recorded Investment [Line Items]    
Financing receivables 31,288efsi_CreditQualityLoansAndLeasesReceivableGrossCarryingAmount
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= efsi_ConstructionAndFarmlandCommercialFinancingReceivableMember		 29,073efsi_CreditQualityLoansAndLeasesReceivableGrossCarryingAmount
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= efsi_ConstructionAndFarmlandCommercialFinancingReceivableMember
Construction And Farmland Commercial [Member] | Pass [Member]    
Financing Receivable, Recorded Investment [Line Items]    
Financing receivables 23,192efsi_CreditQualityLoansAndLeasesReceivableGrossCarryingAmount
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= efsi_ConstructionAndFarmlandCommercialFinancingReceivableMember
/ us-gaap_InternalCreditAssessmentAxis
= us-gaap_PassMember		 24,252efsi_CreditQualityLoansAndLeasesReceivableGrossCarryingAmount
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= efsi_ConstructionAndFarmlandCommercialFinancingReceivableMember
/ us-gaap_InternalCreditAssessmentAxis
= us-gaap_PassMember
Construction And Farmland Commercial [Member] | Watch [Member]    
Financing Receivable, Recorded Investment [Line Items]    
Financing receivables 5,184efsi_CreditQualityLoansAndLeasesReceivableGrossCarryingAmount
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= efsi_ConstructionAndFarmlandCommercialFinancingReceivableMember
/ us-gaap_InternalCreditAssessmentAxis
= efsi_WatchMember		 1,353efsi_CreditQualityLoansAndLeasesReceivableGrossCarryingAmount
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= efsi_ConstructionAndFarmlandCommercialFinancingReceivableMember
/ us-gaap_InternalCreditAssessmentAxis
= efsi_WatchMember
Construction And Farmland Commercial [Member] | Special Mention [Member]    
Financing Receivable, Recorded Investment [Line Items]    
Financing receivables 2,083efsi_CreditQualityLoansAndLeasesReceivableGrossCarryingAmount
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= efsi_ConstructionAndFarmlandCommercialFinancingReceivableMember
/ us-gaap_InternalCreditAssessmentAxis
= us-gaap_SpecialMentionMember		 1,196efsi_CreditQualityLoansAndLeasesReceivableGrossCarryingAmount
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= efsi_ConstructionAndFarmlandCommercialFinancingReceivableMember
/ us-gaap_InternalCreditAssessmentAxis
= us-gaap_SpecialMentionMember
Construction And Farmland Commercial [Member] | Substandard [Member]    
Financing Receivable, Recorded Investment [Line Items]    
Financing receivables 750efsi_CreditQualityLoansAndLeasesReceivableGrossCarryingAmount
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= efsi_ConstructionAndFarmlandCommercialFinancingReceivableMember
/ us-gaap_InternalCreditAssessmentAxis
= us-gaap_SubstandardMember		 2,186efsi_CreditQualityLoansAndLeasesReceivableGrossCarryingAmount
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= efsi_ConstructionAndFarmlandCommercialFinancingReceivableMember
/ us-gaap_InternalCreditAssessmentAxis
= us-gaap_SubstandardMember
Construction And Farmland Commercial [Member] | Doubtful [Member]    
Financing Receivable, Recorded Investment [Line Items]    
Financing receivables 79efsi_CreditQualityLoansAndLeasesReceivableGrossCarryingAmount
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Financing Receivable, Recorded Investment [Line Items]    
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Financing Receivable, Recorded Investment [Line Items]    
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Financing Receivable, Recorded Investment [Line Items]    
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Financing Receivable, Recorded Investment [Line Items]    
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Financing Receivable, Recorded Investment [Line Items]    
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