XML 49 R53.htm IDEA: XBRL DOCUMENT
v2.4.0.8

Allowance for Loan Losses (Narrative) (Details) (USD $) In Thousands, unless otherwise specified | 6 Months Ended
--- | ---
Jun. 30, 2014
Accounts, Notes, Loans and Financing Receivable [Line Items] |
Individual loan balance is classified as nonaccrual status or troubled debt restructure | $ 100
Credit reviews mandatory for loan aggregate balances with in 12-month period | 1,000
Loans past due as to maturity, days | 90 days
Minimum [Member] |
Accounts, Notes, Loans and Financing Receivable [Line Items] |
Credit reviews mandatory for loan aggregate balances with in 12-month period | $ 250
Anticipated scope of range-of-coverage | 50.00%
Maximum [Member] |
Accounts, Notes, Loans and Financing Receivable [Line Items] |
Anticipated scope of range-of-coverage | 55.00%

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
- Details
Name: | us-gaap_AccountsNotesAndLoansReceivableLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration