XML 52 R41.htm IDEA: XBRL DOCUMENT
v3.5.0.2

Troubled Debt Restructuring Defaults (Details) $ in Thousands | 6 Months Ended
--- | ---
Jun. 30, 2016 USD ($)
Financing Receivable, Modifications, Subsequent Default [Line Items] |
Financing Receivable, Modifications, Subsequent Default, Number of Contracts | 2
Financing Receivable, Modifications, Subsequent Default, Recorded Investment | $ 411
Commercial Real Estate Owner Occupied Loans [Member] |
Financing Receivable, Modifications, Subsequent Default [Line Items] |
Financing Receivable, Modifications, Subsequent Default, Number of Contracts | 1
Financing Receivable, Modifications, Subsequent Default, Recorded Investment | $ 261
Commercial Real Estate Loans, Total [Member] |
Financing Receivable, Modifications, Subsequent Default [Line Items] |
Financing Receivable, Modifications, Subsequent Default, Number of Contracts | 1
Financing Receivable, Modifications, Subsequent Default, Recorded Investment | $ 261
Residential Real Estate Investment Property Loans [Member] |
Financing Receivable, Modifications, Subsequent Default [Line Items] |
Financing Receivable, Modifications, Subsequent Default, Number of Contracts | 1
Financing Receivable, Modifications, Subsequent Default, Recorded Investment | $ 150
Residential Real Estate Loans, Total [Member] |
Financing Receivable, Modifications, Subsequent Default [Line Items] |
Financing Receivable, Modifications, Subsequent Default, Number of Contracts | 1
Financing Receivable, Modifications, Subsequent Default, Recorded Investment | $ 150

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

X
- Definition Number of financing receivables that have been modified by troubled debt restructurings within the previous 12 months and for which there was a payment default. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 34 -URI http://asc.fasb.org/extlink&oid=49124121&loc=SL6953682-111524 + Details
Name: | us-gaap_FinancingReceivableModificationsSubsequentDefaultNumberOfContracts1
Namespace Prefix: | us-gaap_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | duration

X
- Definition Amount of investment related to financing receivables modified by troubled debt restructurings within the previous 12 months, for which there was a payment default. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 34 -URI http://asc.fasb.org/extlink&oid=49124121&loc=SL6953682-111524 + Details
Name: | us-gaap_FinancingReceivableModificationsSubsequentDefaultRecordedInvestment1
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Details
Name: | us-gaap_FinancingReceivablePortfolioSegmentAxis=aubn_CommercialRealEstateOwnerOccupiedLoansMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancingReceivablePortfolioSegmentAxis=aubn_CommercialRealEstateLoansTotalMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancingReceivablePortfolioSegmentAxis=aubn_ResidentialRealEstateInvestmentPropertyLoansMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancingReceivablePortfolioSegmentAxis=aubn_ResidentialRealEstateLoansTotalMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |