XML 69 R59.htm IDEA: XBRL DOCUMENT
v3.10.0.1

Other Real Estate Owned Narrative (Details) $ in Millions | Jun. 30, 2018 contract | Dec. 31, 2017 USD ($) contract
--- | --- | ---
Receivables [Abstract] |  |
Mortgage Loans In Process Of Foreclosure Number | contract | 0 | 1
Mortgage Loans in Process of Foreclosure, Amount | $ |  | $ 4.1

X
- Definition Mortgage Loans In Process Of Foreclosure Number + References No definition available. + Details
Name: | efsi_MortgageLoansInProcessOfForeclosureNumber
Namespace Prefix: | efsi_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | instant

X
- Definition Recorded investment of consumer mortgage loan receivables secured by residential real estate properties for which formal foreclosure proceedings are in process. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 35 -URI http://asc.fasb.org/extlink&oid=84173941&loc=SL49126937-111524 + Details
Name: | us-gaap_MortgageLoansInProcessOfForeclosureAmount
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- References No definition available. + Details
Name: | us-gaap_ReceivablesAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration