XML 101 R86.htm IDEA: XBRL DOCUMENT
v3.6.0.2

DISCLOSURES ABOUT FAIR VALUE MEASUREMENTS (Details 1) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2016 | Dec. 31, 2015
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |  |
Carrying value of impaired loans |  | $ 674 | $ 4,502
Fair Value Measurements, Nonrecurring Basis [Member] |  |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |  |
Carrying value of impaired loans |  | 147 | 3,115
Other real estate owned |  | $ 21 | $ 75
Fair Value Measurements, Nonrecurring Basis [Member] | Impaired Loans [Member] |  |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |  |
Valuation Techniques | [1] | Appraisal of collateral | Appraisal of collateral
Appraisal of Adjustment | [2] | 45.00% | 17.00%
Fair Value Measurements, Nonrecurring Basis [Member] | Other Real Estate Owned [Member] |  |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |  |
Valuation Techniques | [1],[3] | Appraisal of collateral | Appraisal of collateral
Appraisal of Adjustment | [2] | 42.00% | 35.00%
Liquidation expenses | [2] | 37.00% | 25.00%
Fair Value Measurements, Nonrecurring Basis [Member] | Minimum [Member] | Impaired Loans [Member] |  |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |  |
Appraisal of Adjustment | [2] | 40.00% | 15.00%
Fair Value Measurements, Nonrecurring Basis [Member] | Minimum [Member] | Other Real Estate Owned [Member] |  |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |  |
Appraisal of Adjustment | [2] | 20.00% | 23.00%
Liquidation expenses | [2] | 3.00% | 10.00%
Fair Value Measurements, Nonrecurring Basis [Member] | Maximum [Member] | Impaired Loans [Member] |  |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |  |
Appraisal of Adjustment | [2] | 99.00% | 20.00%
Fair Value Measurements, Nonrecurring Basis [Member] | Maximum [Member] | Other Real Estate Owned [Member] |  |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |  |
Appraisal of Adjustment | [2] | 77.00% | 49.00%
Liquidation expenses | [2] | 199.00% | 59.00%
Fair Value Measurements, Nonrecurring Basis [Member] | Level 1 [Member] |  |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |  |
Carrying value of impaired loans |  | $ 0 | $ 0
Other real estate owned |  | 0 | 0
Fair Value Measurements, Nonrecurring Basis [Member] | Level 2 [Member] |  |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |  |
Carrying value of impaired loans |  | 0 | 0
Other real estate owned |  | 0 | 0
Fair Value Measurements, Nonrecurring Basis [Member] | Level 3 [Member] |  |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |  |
Carrying value of impaired loans |  | 147 | 3,115
Other real estate owned |  | 21 | 75
Fair Value Measurements, Nonrecurring Basis [Member] | Level 3 [Member] | Impaired Loans [Member] |  |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |  |
Carrying value of impaired loans |  | 147 | 3,115
Fair Value Measurements, Nonrecurring Basis [Member] | Level 3 [Member] | Other Real Estate Owned [Member] |  |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |  |
Other real estate owned |  | $ 21 | $ 75
[1] | Fair Value is generally determined through independent appraisals of the underlying collateral, which generally include various level 3 inputs which are not identifiable.
[2] | Appraisals may be adjusted by management for qualitative factors such as economic conditions and estimated liquidation expenses.
[3] | Includes qualitative adjustments by management and estimated liquidation expenses.

X
- Definition Fair value appraisal of adjustments. + References No definition available. + Details
Name: | asrv_FairValueAppraisalOfAdjustments
Namespace Prefix: | asrv_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | instant

X
- Definition Fair value liquidation expenses. + References No definition available. + Details
Name: | asrv_FairValueLiquidationExpenses
Namespace Prefix: | asrv_
Data Type: | num:percentItemType
Balance Type: | na
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_FairValueBalanceSheetGroupingFinancialStatementCaptionsLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Description of the inputs and valuation technique(s) used to measure fair value. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (bbb) -URI http://asc.fasb.org/extlink&oid=66048111&loc=d3e19207-110258 + Details
Name: | us-gaap_FairValueMeasurementsValuationTechniques
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Fair value of firm holdings in securities classified as other. Includes pledged and unpledged holdings. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 940 -SubTopic 320 -Section 45 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=35711157&loc=d3e42546-110969 + Details
Name: | us-gaap_FinancialInstrumentsOwnedOtherAtFairValue
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Amount of investment of impaired financing receivables with related allowance for credit losses and without a related allowance for credit losses. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 14A -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=66008989&loc=SL6953550-111524 + Details
Name: | us-gaap_ImpairedFinancingReceivableRecordedInvestment
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Details
Name: | us-gaap_FairValueByMeasurementFrequencyAxis=us-gaap_FairValueMeasurementsNonrecurringMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FairValueByAssetClassAxis=asrv_ImpairedLoansMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FairValueByAssetClassAxis=asrv_OtherRealEstateOwnedMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_RangeAxis=us-gaap_MinimumMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_RangeAxis=us-gaap_MaximumMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FairValueByFairValueHierarchyLevelAxis=us-gaap_FairValueInputsLevel1Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FairValueByFairValueHierarchyLevelAxis=us-gaap_FairValueInputsLevel2Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FairValueByFairValueHierarchyLevelAxis=us-gaap_FairValueInputsLevel3Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |