XML 75 R63.htm IDEA: XBRL DOCUMENT v3.22.1

Non-Performing Assets Including Troubled Debt Restructurings (TDR) - concentration of COVID-19 related modifications within the loan portfolio (Details) - USD ($) $ in Thousands	3 Months Ended	12 Months Ended
	Mar. 31, 2022	Dec. 31, 2021
Financing Receivable, Modifications [Line Items]
Loans For Which Payment Relief Has Been Requested	$ 7,712	$ 7,748
% of Outstanding Non-PPP Loans	0.80%	0.80%
Commercial loans secured by Non-Owner Occupied real estate [Member] | Commercial
Financing Receivable, Modifications [Line Items]
Loans For Which Payment Relief Has Been Requested	$ 7,466	$ 7,488
% of Outstanding Non-PPP Loans	1.10%	1.10%
Home Equity | Consumer.
Financing Receivable, Modifications [Line Items]
Loans For Which Payment Relief Has Been Requested		$ 57
% of Outstanding Non-PPP Loans		0.10%
REAL ESTATE - RESIDENTIAL MORTGAGE
Financing Receivable, Modifications [Line Items]
Loans For Which Payment Relief Has Been Requested	$ 246	$ 203
% of Outstanding Non-PPP Loans	0.10%	0.10%

X

- Definition

Represents the amount of loans for which payment relief has been requested.

+ References

No definition available.

+ Details

Name:	asrv_LoansForWhichPaymentReliefHasBeenRequested
Namespace Prefix:	asrv_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

X

- Definition

Represents percentage of outstanding non PPP loans for which payment relief has been requested.

+ References

No definition available.

+ Details

Name:	asrv_PercentageOfOutstandingNonPppLoans
Namespace Prefix:	asrv_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	duration

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_FinancingReceivableModificationsLineItems
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

X

- Details

Name:	us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis=us-gaap_CommercialRealEstateMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_FinancingReceivablePortfolioSegmentAxis=us-gaap_CommercialPortfolioSegmentMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis=us-gaap_HomeEquityLoanMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_FinancingReceivablePortfolioSegmentAxis=us-gaap_ConsumerPortfolioSegmentMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis=us-gaap_ResidentialMortgageMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: