XML 27 R62.htm IDEA: XBRL DOCUMENT v2.4.0.6

New Branch Construction (Details) (USD $) In Millions, unless otherwise specified	Mar. 31, 2013 store	Aug. 03, 2012
New Branch Construction [Abstract]
Amount of contract to build branch		$ 1.2
Number of retail branches	12

X

- Definition

Amount Of Contract

+ References

No definition available.

+ Details

Name:	efsi_AmountOfContract
Namespace Prefix:	efsi_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

X

- Details

Name:	efsi_NewBranchConstructionAbstract
Namespace Prefix:	efsi_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Represents the number of stores.

+ References

No definition available.

+ Details

Name:	us-gaap_NumberOfStores
Namespace Prefix:	us-gaap_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	instant