XML 57 R46.htm IDEA: XBRL DOCUMENT
v3.5.0.2

Fair Value Unobservable Inputs (Details) - Fair Value, Measurements, Nonrecurring [Member] - Carrying (Reported) Amount, Fair Value Disclosure [Member] $ in Thousands | Jun. 30, 2016 USD ($)
--- | ---
Impaired Loans [Member] |
Schedule Of Fair Value Significant Unobservable Inputs Used [Line Items] |
Assets, Fair Value Disclosure | $ 2,556
Impaired Loans [Member] | Appraisal, Appraisal Discount [Member] |
Schedule Of Fair Value Significant Unobservable Inputs Used [Line Items] |
Unobservable Input, Weighted Average of Input Percent | 50.20%
Other Real Estate Owned [Member] |
Schedule Of Fair Value Significant Unobservable Inputs Used [Line Items] |
Assets, Fair Value Disclosure | $ 300
Other Real Estate Owned [Member] | Appraisal, Appraisal Discount [Member] |
Schedule Of Fair Value Significant Unobservable Inputs Used [Line Items] |
Unobservable Input, Weighted Average of Input Percent | 6.60%
Mortgage Servicing Rights [Member] |
Schedule Of Fair Value Significant Unobservable Inputs Used [Line Items] |
Assets, Fair Value Disclosure | $ 2,146
Mortgage Servicing Rights [Member] | Discounted Cash Flow, Prepayment Speed [Member] |
Schedule Of Fair Value Significant Unobservable Inputs Used [Line Items] |
Unobservable Input, Weighted Average of Input Percent | 12.70%
Mortgage Servicing Rights [Member] | Discounted Cash Flow, Discount Rate [Member] |
Schedule Of Fair Value Significant Unobservable Inputs Used [Line Items] |
Unobservable Input, Weighted Average of Input Percent | 10.00%

X
- References No definition available. + Details
Name: | aubn_ScheduleOfFairValueSignificantUnobservableInputsUsedLineItems
Namespace Prefix: | aubn_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- References No definition available. + Details
Name: | aubn_UnobservableInputWeightedAverageOfInputPercent
Namespace Prefix: | aubn_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | instant

X
- Definition Fair value portion of probable future economic benefits obtained or controlled by an entity as a result of past transactions or events. + 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 (a) -URI http://asc.fasb.org/extlink&oid=36462937&loc=d3e19207-110258 + Details
Name: | us-gaap_AssetsFairValueDisclosure
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Details
Name: | aubn_FairValueByMeasurementTypeAxis=aubn_ImpairedLoansMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

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

X
- Details
Name: | us-gaap_FairValueByMeasurementBasisAxis=us-gaap_CarryingReportedAmountFairValueDisclosureMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | aubn_FairValueAssetsMeasuredOnNonrecurringBasisValuationTechniquesAxis=aubn_AppraisalAppraisalDiscountMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | aubn_FairValueByMeasurementTypeAxis=aubn_OtherRealEstateOwnedMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | aubn_FairValueByMeasurementTypeAxis=aubn_MortgageServicingRightsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | aubn_FairValueAssetsMeasuredOnNonrecurringBasisValuationTechniquesAxis=aubn_DiscountedCashFlowPrepaymentSpeedMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | aubn_FairValueAssetsMeasuredOnNonrecurringBasisValuationTechniquesAxis=aubn_DiscountedCashFlowDiscountRateMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |