XML 75 R62.htm IDEA: XBRL DOCUMENT v3.6.0.2

Troubled Debt Restructing Modifications (Details) $ in Thousands	12 Months Ended
	Dec. 31, 2016 USD ($)	Dec. 31, 2015 USD ($)
Financing Receivable, Modifications [Line Items]
Financing Receivable, Modification, Number of Contracts	3	4
Financing Receivable, Modification, Pre-Modification Recorded Investment	$ 3,147	$ 985
Financing Receivable, Modifications, Post-Modifications Recorded Investment	$ 3,137	$ 989
Commercial and Industrial Loans [Member]
Financing Receivable, Modifications [Line Items]
Financing Receivable, Modification, Number of Contracts		1
Financing Receivable, Modification, Pre-Modification Recorded Investment		$ 61
Financing Receivable, Modifications, Post-Modifications Recorded Investment		$ 66
Construction And Land Development Loans [Member]
Financing Receivable, Modifications [Line Items]
Financing Receivable, Modification, Number of Contracts		1
Financing Receivable, Modification, Pre-Modification Recorded Investment		$ 116
Financing Receivable, Modifications, Post-Modifications Recorded Investment		$ 113
Commercial Real Estate Owner Occupied Loans [Member]
Financing Receivable, Modifications [Line Items]
Financing Receivable, Modification, Number of Contracts		1
Financing Receivable, Modification, Pre-Modification Recorded Investment		$ 216
Financing Receivable, Modifications, Post-Modifications Recorded Investment		$ 218
Commercial Real Estate Other Loans [Member]
Financing Receivable, Modifications [Line Items]
Financing Receivable, Modification, Number of Contracts	3	1
Financing Receivable, Modification, Pre-Modification Recorded Investment	$ 3,147	$ 592
Financing Receivable, Modifications, Post-Modifications Recorded Investment	$ 3,137	$ 592
Commercial Real Estate Loans, Total [Member]
Financing Receivable, Modifications [Line Items]
Financing Receivable, Modification, Number of Contracts	3	2
Financing Receivable, Modification, Pre-Modification Recorded Investment	$ 3,147	$ 808
Financing Receivable, Modifications, Post-Modifications Recorded Investment	$ 3,137	$ 810

X

- References

No definition available.

+ Details

Name:	aubn_FinancingReceivableModificationNumberOfContracts
Namespace Prefix:	aubn_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	duration

X

- References

No definition available.

+ Details

Name:	aubn_FinancingReceivableModificationPreModificationRecordedInvestment
Namespace Prefix:	aubn_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

X

- References

No definition available.

+ Details

Name:	aubn_FinancingReceivableModificationsPostModificationsRecordedInvestment
Namespace Prefix:	aubn_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

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_FinancingReceivableModificationsLineItems
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

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: