XML 54 R44.htm IDEA: XBRL DOCUMENT
v3.8.0.1

Troubled Debt Restructurings (Narrative) (Details) $ in Thousands | 3 Months Ended | 12 Months Ended
--- | --- | ---
Mar. 31, 2018 USD ($) contract | Dec. 31, 2017 USD ($) contract
Financing Receivable, Modifications [Line Items] |  |
Number of troubled debt restructured loans | 19 | 21
Loan is considered payment default | 30 days |
Financing Receivable, Modifications, Nonaccrual, Number of Contracts | 1 | 1
Financing Receivable, Modifications, Nonaccrual, Recorded Investment | $ | $ 43 | $ 44
Troubled Debt Restructuring Modifications Number Of Contracts | 0 |
Financing Receivable, Modifications, Subsequent Default, Recorded Investment | 0 |
Total troubled debt restructured loans | $ | $ 4,300 | $ 4,400

X
- Definition Number of financing receiviable modified loans that are in nonaccrual + References No definition available. + Details
Name: | efsi_FinancingReceivableModificationsNonaccrualNumberofContracts
Namespace Prefix: | efsi_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | instant

X
- Definition Financing Receivable, Modifications, Nonaccrual, Recorded Investment + References No definition available. + Details
Name: | efsi_FinancingReceivableModificationsNonaccrualRecordedInvestment
Namespace Prefix: | efsi_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Period Past Due Loan Considered Payment Default + References No definition available. + Details
Name: | efsi_PeriodPastDueLoanConsideredPaymentDefault
Namespace Prefix: | efsi_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

X
- Definition Troubled debt restructuring modifications number of contracts. + References No definition available. + Details
Name: | efsi_TroubledDebtRestructuringModificationsNumberOfContracts
Namespace Prefix: | efsi_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | duration

X
- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References No definition available. + Details
Name: | us-gaap_FinancingReceivableModificationsLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Number of financing receivables that have been modified by troubled debt restructurings. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 33 -URI http://asc.fasb.org/extlink&oid=84173941&loc=SL6953676-111524 + Details
Name: | us-gaap_FinancingReceivableModificationsNumberOfContracts2
Namespace Prefix: | us-gaap_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | duration

X
- Definition The amount of the outstanding recorded investment related to financing receivables that have been modified by troubled debt restructurings. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 40 -Section 50 -Paragraph 4 -URI http://asc.fasb.org/extlink&oid=82895541&loc=d3e18845-111554 + Details
Name: | us-gaap_FinancingReceivableModificationsRecordedInvestment
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Number of financing receivables that have been modified by troubled debt restructurings within the previous 12 months and for which there was a payment default. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 34 -URI http://asc.fasb.org/extlink&oid=84173941&loc=SL6953682-111524 + Details
Name: | us-gaap_FinancingReceivableModificationsSubsequentDefaultNumberOfContracts1
Namespace Prefix: | us-gaap_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | duration