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v2.4.1.9

Employee Benefits (Details) (USD $) In Thousands, unless otherwise specified | 12 Months Ended
--- | ---
Dec. 31, 2014 | Dec. 31, 2013 | Dec. 31, 2012
Defined Contribution Plan [Line Items] |  |  |
Matched percentage by employer | 50.00%us-gaap_DefinedContributionPlanEmployerMatchingContributionPercent |  |
Maximum employee percentage of deferred salary matched by employer | 6.00%us-gaap_DefinedContributionPlanMaximumAnnualContributionsPerEmployeePercent |  |
Non-elective safe-harbor contribution received each December 31st | 3.00%efsi_NonElectiveSafeHarborEmployerContributionAndAgeWeightedEmployerContributionPercent |  |
Employer contributions | $ 927 us-gaap_DefinedBenefitPlanContributionsByEmployer | $ 888 us-gaap_DefinedBenefitPlanContributionsByEmployer | $ 867 us-gaap_DefinedBenefitPlanContributionsByEmployer
Maximum age benefit could be reduced or forfeited | 65 years |  |
Supplemental income benefit liability | 78 efsi_ExecutiveSupplementalIncomeBenefitLiability | 93 efsi_ExecutiveSupplementalIncomeBenefitLiability |
Supplemental income benefit expense | $ 21 efsi_ExecutiveSupplementalIncomeBenefitExpense | $ 8 efsi_ExecutiveSupplementalIncomeBenefitExpense | $ 16 efsi_ExecutiveSupplementalIncomeBenefitExpense
Minimum [Member] |  |  |
Defined Contribution Plan [Line Items] |  |  |
Non-elective safe-harbor contribution received each December 31st | 1.00%efsi_NonElectiveSafeHarborEmployerContributionAndAgeWeightedEmployerContributionPercent / us-gaap_RangeAxis = us-gaap_MinimumMember |  |
Maximum [Member] |  |  |
Defined Contribution Plan [Line Items] |  |  |
Non-elective safe-harbor contribution received each December 31st | 10.00%efsi_NonElectiveSafeHarborEmployerContributionAndAgeWeightedEmployerContributionPercent / us-gaap_RangeAxis = us-gaap_MaximumMember |  |

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- Details
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- Definition Executive Supplemental Income Benefit Expense + References No definition available. + Details
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- Definition Executive Supplemental Income Benefit Liability + References No definition available. + Details
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- Definition Maximum Age Benefits Can Be Reduced Or Forfeited Due To Employment Termination + References No definition available. + Details
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- Definition Non Elective Safe Harbor Employer Contribution And Age Weighted Employer Contribution Percent + References No definition available. + Details
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- Definition The increase in the fair value of plan assets from contributions made by the employer. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (b)(3) -URI http://asc.fasb.org/extlink&oid=28361610&loc=d3e1928-114920 + Details
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- Definition Percentage of employees' gross pay for which the employer contributes a matching contribution to a defined contribution plan. + References No definition available. + Details
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- Definition Maximum percentage of employee gross pay the employee may contribute to a defined contribution plan. + References No definition available. + Details
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