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DEPOSITS (Details Textual) - USD ($) $ in Thousands	Dec. 31, 2015	Dec. 31, 2014
Time Deposits	$ 238,121
FDIC Insurance Limit [Member]
Time Deposits	$ 46,100	$ 65,200

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- Definition

Amount of deposits that cannot be withdrawn before a set date without penalty or for which notice of withdrawal is required. Time deposits include, but are not limited to, certificates of deposits, individual retirement accounts and open accounts.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 942
-SubTopic 210
-Section S99
-Paragraph 1
-Subparagraph (SX 210.9-03.12)
-URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878

+ Details

Name:	us-gaap_TimeDeposits
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

X

- Details

Name:	us-gaap_StatementClassOfStockAxis=asrv_FdicInsuranceLimitMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: