XML 45 R53.htm IDEA: XBRL DOCUMENT
v2.4.0.6

Allowance for Loan Losses (Details Textual) (USD $) | 9 Months Ended
--- | ---
Sep. 30, 2012 M
Allowance for Loan Losses (Textual) [Abstract] |
Individual loan balance is classified as nonaccrual status or troubled debt restructure | $ 100,000
Loans past due as to maturity, days | 90 days
Number of consecutive historical quarters for calculation of charge-off factor | 12
Credits rated Pass-6 with aggregate balances | 1,000,000
Minimum [Member] |
Allowance for Loan Losses (Textual) [Abstract] |
Credit reviews mandatory for loan aggregate balances with in 12-month period | 250,000
Anticipated scope of range-of-coverage | 55.00%
Commercial [Member] |
Allowance for Loan Losses (Textual) [Abstract] |
Individual loan balance is classified as nonaccrual status or troubled debt restructure | 100,000
Number of consecutive historical quarters for calculation of charge-off factor | 12
Credit reviews mandatory for loan aggregate balances with in 12-month period | $ 250,000
Real estate-mortgage [Member] |
Allowance for Loan Losses (Textual) [Abstract] |
Loans past due as to maturity, days | 90 days
Consumer [Member] |
Allowance for Loan Losses (Textual) [Abstract] |
Loans past due as to maturity, days | 90 days

X
- Definition Allowance for loan losses presentation of credit rated with aggregate balances. + References No definition available. + Details
Name: | asrv_AllowanceForLoanLossesPresentationOfCreditRatedWithAggregateBalances
Namespace Prefix: | asrv_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

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

X
- Definition Anticipated scope of range of coverage. + References No definition available. + Details
Name: | asrv_AnticipatedScopeOfRangeOfCoverage
Namespace Prefix: | asrv_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition Credit reviews mandatory for loans aggregate balances. + References No definition available. + Details
Name: | asrv_CreditReviewsMandatoryForLoansAggregateBalances
Namespace Prefix: | asrv_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Individual loan balance is classified as nonaccrual status or troubled debt restructure. + References No definition available. + Details
Name: | asrv_IndividualLoanBalanceIsClassifiedAsNonaccrualStatusOrTroubledDebtRestructure
Namespace Prefix: | asrv_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Loans past due as to maturity. + References No definition available. + Details
Name: | asrv_LoansPastDueAsToMaturity
Namespace Prefix: | asrv_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

X
- Definition Number of consecutive historical quarters for calculation of charge-off factor. + References No definition available. + Details
Name: | asrv_NumberOfConsecutiveHistoricalQuartersForCalculationOfChargeOffFactor
Namespace Prefix: | asrv_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | duration