XML 69 R57.htm IDEA: XBRL DOCUMENT
v3.23.1

Allowance for Credit Losses - Loans - Amortized cost basis of collateral-dependent loans (Details) $ in Thousands | Mar. 31, 2023 USD ($)
--- | ---
Financing Receivable, Allowance for Credit Loss [Line Items] |
Collateral-dependent loans | $ 1,554
Other commercial real estate (non-owner occupied) |
Financing Receivable, Allowance for Credit Loss [Line Items] |
Collateral-dependent loans | $ 1,554

X
- Definition Reflects the aggregate value of loans, trade receivables, securities and financial instruments that serve as collateral for obligations arising from a transfer of financial assets recorded as a secured borrowing. + References No definition available. + Details
Name: | asrv_FinancingReceivableExcludingAccruedInterestCollateralForSecuredBorrowings
Namespace Prefix: | asrv_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References No definition available. + Details
Name: | us-gaap_FinancingReceivableAllowanceForCreditLossesLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis=asrv_CommercialLoansSecuredByNonOwnerOccupiedOtherCommercialRealEstateMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |