XML 64 R54.htm IDEA: XBRL DOCUMENT
v3.21.1

Fair Value Measurements (Financial And Nonfinancial Assets Measured At Fair Value On A Nonrecurring Basis) (Details) - USD ($) $ in Thousands | Mar. 31, 2021 | Dec. 31, 2020
--- | --- | ---
Nonfinancial Assets: |  |
Other real estate owned, net of allowance | $ 515 | $ 607
Nonrecurring [Member] | Financial Assets [Member] |  |
Financial Assets: |  |
Impaired loans | 1,427 | 1,355
Nonrecurring [Member] | Nonfinancial Assets [Member] |  |
Nonfinancial Assets: |  |
Other real estate owned, net of allowance | 515 | 607
Nonrecurring [Member] | Significant Other Observable Inputs (Level 2) [Member] | Nonfinancial Assets [Member] |  |
Nonfinancial Assets: |  |
Other real estate owned, net of allowance |  | 165
Nonrecurring [Member] | Significant Unobservable Inputs (Level 3) [Member] | Financial Assets [Member] |  |
Financial Assets: |  |
Impaired loans | 1,427 | 1,355
Nonrecurring [Member] | Significant Unobservable Inputs (Level 3) [Member] | Nonfinancial Assets [Member] |  |
Nonfinancial Assets: |  |
Other real estate owned, net of allowance | $ 515 | $ 442

X
- Definition Fair value of impaired loans. + References No definition available. + Details
Name: | efsi_FairValueOfImpairedLoans
Namespace Prefix: | efsi_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

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

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

X
- Definition Carrying amount as of the balance sheet date of land and buildings obtained through foreclosure proceedings or defeasance in full or partial satisfaction of a debt arrangement. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 11 -URI http://asc.fasb.org/extlink&oid=121611835&loc=d3e5162-111524 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 45 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=121593590&loc=d3e4437-111522 + Details
Name: | us-gaap_RealEstateAcquiredThroughForeclosure
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Details
Name: | us-gaap_FairValueByMeasurementFrequencyAxis=us-gaap_FairValueMeasurementsNonrecurringMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FairValueByAssetClassAxis=efsi_FinancialAssetsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FairValueByAssetClassAxis=efsi_NonfinancialAssetsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FairValueByFairValueHierarchyLevelAxis=us-gaap_FairValueInputsLevel2Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FairValueByFairValueHierarchyLevelAxis=us-gaap_FairValueInputsLevel3Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |