XML 55 R45.htm IDEA: XBRL DOCUMENT
v3.21.2

Loans and Allowance for loan losses (Impaired loans by class) (Parenthetical) (Details) - USD ($) $ in Thousands | Sep. 30, 2021 | Dec. 31, 2020
--- | --- | ---
Receivables [Abstract] |  |
Accrued interests and net deferred loan fees | $ 14 | $ 17

X
- Definition Accrued interests and net deferred loan fees. + References No definition available. + Details
Name: | efsi_AccruedInterestsAndNetDeferredLoanFees
Namespace Prefix: | efsi_
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