XML 69 R55.htm IDEA: XBRL DOCUMENT v3.24.0.1

Collateral Dependent Loan Individually Evaluated (Details) $ in Thousands	Dec. 31, 2023 USD ($)
Collateral Dependent Loans [Line Items]
Financing Receivable Individually Evaluated Collateral Dependent Loans	$ 783
Commercial Real Estate Collater [Member]
Collateral Dependent Loans [Line Items]
Financing Receivable Individually Evaluated Collateral Dependent Loans	783
Commercial Real Estate Loans, Total [Member]
Collateral Dependent Loans [Line Items]
Financing Receivable Individually Evaluated Collateral Dependent Loans	783
Commercial Real Estate Loans, Total [Member] | Commercial Real Estate Collater [Member]
Collateral Dependent Loans [Line Items]
Financing Receivable Individually Evaluated Collateral Dependent Loans	$ 783

X

- References

No definition available.

+ Details

Name:	aubn_CollateralDependentLoansLineItems
Namespace Prefix:	aubn_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

X

- References

No definition available.

+ Details

Name:	aubn_FinancingReceivableIndividuallyEvaluatedCollateralDependentLoans
Namespace Prefix:	aubn_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

X

- Details

Name:	aubn_CollateralDependentLoansByCollateralAxis=aubn_CommercialRealEstateCollaterMember
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: