XML 97 R82.htm IDEA: XBRL DOCUMENT v3.10.0.1

NON-PERFORMING ASSETS INCLUDING TROUBLED DEBT RESTRUCTURINGS (Details 1) - Loans in non-accrual status [Member] $ in Thousands	12 Months Ended
	Dec. 31, 2018 USD ($)	Dec. 31, 2017 USD ($)	Dec. 31, 2016 USD ($)
Commercial And Industrial [Member]
Schedule of TDRs
Number of loans		2	2
Current Balance		$ 343	$ 496
Concession Granted		Extension of maturity date	Extension of maturity date
Commercial loans secured by owner occupied real estate [Member]
Schedule of TDRs
Number of loans		1
Current Balance		$ 574
Concession Granted		Extension of maturity date
Commercial loans secured by non owner occupied real estate [Member]
Schedule of TDRs
Number of loans	1	1	1
Current Balance	$ 11	$ 13	$ 16
Concession Granted	Extension of maturity date	Extension of maturity date	Extension of maturity date

X

- Definition

Trouble debt restructuring for non performing assets granted.

+ References

No definition available.

+ 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://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
-SubTopic 10
-Section 50
-Paragraph 33
-URI http://asc.fasb.org/extlink&oid=84173941&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://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
-SubTopic 10
-Section 50
-Paragraph 33
-URI http://asc.fasb.org/extlink&oid=84173941&loc=SL6953676-111524

+ Details

Name:	us-gaap_FinancingReceivableModificationsNumberOfContracts2
Namespace Prefix:	us-gaap_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Post-modification amount of investment in financing receivables modified by troubled debt restructurings.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
-SubTopic 10
-Section 50
-Paragraph 33
-URI http://asc.fasb.org/extlink&oid=84173941&loc=SL6953676-111524

+ Details

Name:	us-gaap_FinancingReceivableModificationsPostModificationRecordedInvestment2
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

X

- Details

Name:	asrv_FinancingReceivableAccrualAndNonaccrualStatusAxis=asrv_LoansInNonAccrualStatusMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

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

X

- Details

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

X

- Details

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