XML 36 R26.htm IDEA: XBRL DOCUMENT
v3.23.1

Variable Interest Entities (Details) $ in Thousands | Mar. 31, 2023 USD ($)
--- | ---
Maxium Loss Exposure [Member] |
Variable Interest Entities [Line Items] |
New Markets Tax Credit Investment | $ 2,006
Asset Recognized [Member] |
Variable Interest Entities [Line Items] |
New Markets Tax Credit Investment | $ 2,006

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

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

X
- Details
Name: | aubn_VariableInterestEntitiesAxisAxis=aubn_MaxiumLossExposureMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | aubn_VariableInterestEntitiesAxisAxis=aubn_AssetRecognizedMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |