XML 18 R55.htm IDEA: XBRL DOCUMENT
v2.4.0.6

Non-performing Assets Including Troubled Debt Restructurings (TDR) (Details 1) (USD $) | 9 Months Ended | 12 Months Ended | 9 Months Ended |
--- | --- | --- | --- | ---
Sep. 30, 2012 Loans in accrual status [Member] Commercial loans secured by real estate [Member] | Sep. 30, 2011 Loans in accrual status [Member] Commercial loans secured by real estate [Member] | Dec. 31, 2011 Loans in non-accrual status [Member] | Sep. 30, 2012 Loans in non-accrual status [Member] Commercial loans secured by real estate [Member] | Sep. 30, 2011 Loans in non-accrual status [Member] Commercial loans secured by real estate [Member] | Dec. 31, 2011 Loans in non-accrual status [Member] Commercial loans secured by real estate [Member]
Schedule of TDRs |  |  |  |  |  |
Number of loans | $ 1 | $ 1 |  | $ 4 | $ 3 | $ 5
Current Balance | $ 87,000 | $ 313,000 |  | $ 2,990,000 | $ 2,129,000 | $ 2,870,000
Concession Granted | Extension of maturity date | Extension of maturity date | Extension of maturity date | Extension of maturity date | Extension of maturity date |

X
- Details
Name: | asrv_TroubleDebtRestructuringForNonPerformingAssetsGrantedAbstract
Namespace Prefix: | asrv_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Description of how troubled debt restructurings that occurred during the period are factored into the determination of the allowance for credit losses. + 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=7512638&loc=SL6953676-111524 + Details
Name: | us-gaap_FinancingReceivableModificationsDeterminationOfAllowanceForCreditLosses1
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=7512638&loc=SL6953676-111524 + Details
Name: | us-gaap_FinancingReceivableModificationsNumberOfContracts1
Namespace Prefix: | us-gaap_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | instant

X
- Definition Amount of investment in financing receivables (after modification) 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=7512638&loc=SL6953676-111524 + Details
Name: | us-gaap_FinancingReceivableModificationsPostModificationRecordedInvestment1
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant