XML 51 R40.htm IDEA: XBRL DOCUMENT
v3.5.0.2

Troubled Debt Restructuring (Details) - USD ($) $ in Thousands | Sep. 30, 2016 | Dec. 31, 2015
--- | --- | ---
Impaired Financing Receivable And Troubled Debt Restructing [Line Items] |  |
Impaired Financing Receivable, Troubled Debt Restructuring, Still Accruing | $ 221 | $ 1,075
Impaired Financing Receivable, Troubled Debt Restructuring, Nonaccrual | 1,565 | 812
Impaired Financing Receivable, Trouble Debt Structuring, Total | 1,786 | 1,887
Impaired Financing Receivable, Troubled Debt Restructuring, Allowance for Credit Losses | 36 | 121
Commercial and Industrial Loans [Member] |  |
Impaired Financing Receivable And Troubled Debt Restructing [Line Items] |  |
Impaired Financing Receivable, Troubled Debt Restructuring, Still Accruing | 23 | 48
Impaired Financing Receivable, Troubled Debt Restructuring, Nonaccrual | 0 | 0
Impaired Financing Receivable, Trouble Debt Structuring, Total | 23 | 48
Impaired Financing Receivable, Troubled Debt Restructuring, Allowance for Credit Losses | 0 | 0
Construction And Land Development Loans [Member] |  |
Impaired Financing Receivable And Troubled Debt Restructing [Line Items] |  |
Impaired Financing Receivable, Troubled Debt Restructuring, Still Accruing | 0 | 0
Impaired Financing Receivable, Troubled Debt Restructuring, Nonaccrual | 45 | 582
Impaired Financing Receivable, Trouble Debt Structuring, Total | 45 | 582
Impaired Financing Receivable, Troubled Debt Restructuring, Allowance for Credit Losses | 0 | 0
Commercial Real Estate Owner Occupied Loans [Member] |  |
Impaired Financing Receivable And Troubled Debt Restructing [Line Items] |  |
Impaired Financing Receivable, Troubled Debt Restructuring, Still Accruing | 198 | 1,027
Impaired Financing Receivable, Troubled Debt Restructuring, Nonaccrual | 0 | 230
Impaired Financing Receivable, Trouble Debt Structuring, Total | 198 | 1,257
Impaired Financing Receivable, Troubled Debt Restructuring, Allowance for Credit Losses | 36 | 121
Commercial Real Estate Other Loans [Member] |  |
Impaired Financing Receivable And Troubled Debt Restructing [Line Items] |  |
Impaired Financing Receivable, Troubled Debt Restructuring, Still Accruing | 0 |
Impaired Financing Receivable, Troubled Debt Restructuring, Nonaccrual | 1,520 |
Impaired Financing Receivable, Trouble Debt Structuring, Total | 1,520 |
Impaired Financing Receivable, Troubled Debt Restructuring, Allowance for Credit Losses | 0 |
Commercial Real Estate Loans, Total [Member] |  |
Impaired Financing Receivable And Troubled Debt Restructing [Line Items] |  |
Impaired Financing Receivable, Troubled Debt Restructuring, Still Accruing | 198 | 1,027
Impaired Financing Receivable, Troubled Debt Restructuring, Nonaccrual | 1,520 | 230
Impaired Financing Receivable, Trouble Debt Structuring, Total | 1,718 | 1,257
Impaired Financing Receivable, Troubled Debt Restructuring, Allowance for Credit Losses | $ 36 | $ 121

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

X
- References No definition available. + Details
Name: | aubn_ImpairedFinancingReceivableTroubleDebtStructuring
Namespace Prefix: | aubn_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- References No definition available. + Details
Name: | aubn_ImpairedFinancingReceivableTroubledDebtRestructuringAllowanceForCreditLosses
Namespace Prefix: | aubn_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- References No definition available. + Details
Name: | aubn_ImpairedFinancingReceivableTroubledDebtRestructuringNonaccrual
Namespace Prefix: | aubn_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- References No definition available. + Details
Name: | aubn_ImpairedFinancingReceivableTroubledDebtRestructuringStillAccruing
Namespace Prefix: | aubn_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

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

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

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

X
- Details
Name: | us-gaap_FinancingReceivablePortfolioSegmentAxis=aubn_CommercialRealEstateOtherLoansMember
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: |