XML 17 R54.htm IDEA: XBRL DOCUMENT
v2.4.1.9

Nature of Banking Activities and Significant Accounting Policies (Narrative) (Details) | 12 Months Ended |  |
--- | --- | --- | ---
Dec. 31, 2014 | Jun. 19, 2013 | Dec. 31, 2003
Property, Plant and Equipment [Line Items] |  |  |
Ownership percentage in subsidiaries | 100.00%efsi_ConsolidatedFinancialOwnershipWhollyOwnedSubsidiaryPercentage |  |
Period interest on mortgage and commercial loans is discontinued | 90 days |  |
Credit card loans and other personal loans are charged off | 180 days |  |
Limit of the estimated appraised value of the furnished home | 80.00%efsi_PercentageLimitOfEstimatedAppraisedValueOfHome |  |
Authorized issuance of shares of common stock |  |  | 300,000 efsi_CommonStockSharesAuthorizedCompensationPlan
"More likely than not" threshold | 50.00%efsi_PercentageToRepresentMoreLikelyThanNot |  |
Number of shares of common stock able to be repurchased |  | 150,000 us-gaap_StockRepurchaseProgramNumberOfSharesAuthorizedToBeRepurchased |
Maximum numbers of shares that may yet be purchased under plan | 134,337 us-gaap_StockRepurchaseProgramRemainingNumberOfSharesAuthorizedToBeRepurchased |  |
Building [Member] | Maximum [Member] |  |  |
Property, Plant and Equipment [Line Items] |  |  |
Estimated useful lives | 39 years |  |
Building [Member] | Minimum [Member] |  |  |
Property, Plant and Equipment [Line Items] |  |  |
Estimated useful lives | 10 years |  |
Furniture and equipment [Member] | Maximum [Member] |  |  |
Property, Plant and Equipment [Line Items] |  |  |
Estimated useful lives | 10 years |  |
Furniture and equipment [Member] | Minimum [Member] |  |  |
Property, Plant and Equipment [Line Items] |  |  |
Estimated useful lives | 3 years |  |

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