XML 39 R40.htm IDEA: XBRL DOCUMENT
v2.4.1.9

Securities (Restricted Investments) (Details) (USD $) In Thousands, unless otherwise specified | Mar. 31, 2015 | Dec. 31, 2014
--- | --- | ---
Carrying Value Qualitative Disclosures Related To Election [Line Items] |  |
Restricted Investments | $ 1,946 us-gaap_RestrictedInvestments | $ 2,808 us-gaap_RestrictedInvestments
Federal Reserve Bank Stock [Member] |  |
Carrying Value Qualitative Disclosures Related To Election [Line Items] |  |
Restricted Investments | 344 us-gaap_RestrictedInvestments / efsi_CarryingValueOptionQualitativeDisclosuresRelatedToElectionByEligibleItemOrGroupAxis = efsi_FederalReserveBankStockMember | 344 us-gaap_RestrictedInvestments / efsi_CarryingValueOptionQualitativeDisclosuresRelatedToElectionByEligibleItemOrGroupAxis = efsi_FederalReserveBankStockMember
Federal Home Loan Bank Stock [Member] |  |
Carrying Value Qualitative Disclosures Related To Election [Line Items] |  |
Restricted Investments | 1,462 us-gaap_RestrictedInvestments / efsi_CarryingValueOptionQualitativeDisclosuresRelatedToElectionByEligibleItemOrGroupAxis = us-gaap_InvestmentInFederalHomeLoanBankStockMember | 2,324 us-gaap_RestrictedInvestments / efsi_CarryingValueOptionQualitativeDisclosuresRelatedToElectionByEligibleItemOrGroupAxis = us-gaap_InvestmentInFederalHomeLoanBankStockMember
Community Bankers' Bank Stock [Member] |  |
Carrying Value Qualitative Disclosures Related To Election [Line Items] |  |
Restricted Investments | $ 140 us-gaap_RestrictedInvestments / efsi_CarryingValueOptionQualitativeDisclosuresRelatedToElectionByEligibleItemOrGroupAxis = efsi_CommunityBankersBankStockMember | $ 140 us-gaap_RestrictedInvestments / efsi_CarryingValueOptionQualitativeDisclosuresRelatedToElectionByEligibleItemOrGroupAxis = efsi_CommunityBankersBankStockMember

X
- Details
Name: | efsi_CarryingValueQualitativeDisclosuresRelatedToElectionLineItems
Namespace Prefix: | efsi_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Investments which are not defined as or included in marketable (debt, equity, or other) securities whose use is restricted in whole or in part, generally by contractual agreements or regulatory requirements. For use in an unclassified balance sheet. + References No definition available. + Details
Name: | us-gaap_RestrictedInvestments
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Details
Name: | efsi_CarryingValueOptionQualitativeDisclosuresRelatedToElectionByEligibleItemOrGroupAxis=efsi_CommunityBankersBankStockMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | efsi_CarryingValueOptionQualitativeDisclosuresRelatedToElectionByEligibleItemOrGroupAxis=efsi_FederalReserveBankStockMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | efsi_CarryingValueOptionQualitativeDisclosuresRelatedToElectionByEligibleItemOrGroupAxis=us-gaap_InvestmentInFederalHomeLoanBankStockMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |