XML 40 R29.htm IDEA: XBRL DOCUMENT
v3.24.2.u1

Loans Past Due Analysis (Details) - USD ($) $ in Thousands | Jun. 30, 2024 | Dec. 31, 2023
--- | --- | ---
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Total Accruing Loans | $ 577,274 | $ 556,383
Non Accrual | 794 | 911
Loans and Leases Receivable, Gross, Carrying Amount | 578,068 | 557,294
Current [Member] |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Total Accruing Loans | 576,636 | 555,781
Accruing 30 to 89 Days Past Due [Member] |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Total Accruing Loans | 638 | 602
Accruing Greater Than 90 days {Member] |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Total Accruing Loans | 0 | 0
Commercial and Industrial Loans [Member] |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Total Accruing Loans | 77,627 | 73,374
Loans and Leases Receivable, Gross, Carrying Amount | 77,627 | 73,374
Commercial and Industrial Loans [Member] | Current [Member] |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Total Accruing Loans | 77,625 | 73,108
Commercial and Industrial Loans [Member] | Accruing 30 to 89 Days Past Due [Member] |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Total Accruing Loans | 2 | 266
Commercial and Industrial Loans [Member] | Accruing Greater Than 90 days {Member] |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Total Accruing Loans | 0 | 0
Construction And Land Development Loans [Member] |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Total Accruing Loans | 73,688 | 68,329
Loans and Leases Receivable, Gross, Carrying Amount | 73,688 | 68,329
Construction And Land Development Loans [Member] | Current [Member] |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Total Accruing Loans | 73,284 | 68,329
Construction And Land Development Loans [Member] | Accruing 30 to 89 Days Past Due [Member] |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Total Accruing Loans | 404 | 0
Construction And Land Development Loans [Member] | Accruing Greater Than 90 days {Member] |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Total Accruing Loans | 0 | 0
Commercial Real Estate Owner Occupied Loans [Member] |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Total Accruing Loans | 62,631 | 66,000
Non Accrual | 753 | 783
Loans and Leases Receivable, Gross, Carrying Amount | 63,384 | 66,783
Commercial Real Estate Owner Occupied Loans [Member] | Current [Member] |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Total Accruing Loans | 62,631 | 66,000
Commercial Real Estate Owner Occupied Loans [Member] | Accruing 30 to 89 Days Past Due [Member] |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Total Accruing Loans | 0 | 0
Commercial Real Estate Owner Occupied Loans [Member] | Accruing Greater Than 90 days {Member] |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Total Accruing Loans | 0 | 0
Commercial Real Estate Hotel Motel [Member] |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Total Accruing Loans | 38,542 | 39,131
Non Accrual | 0 |
Loans and Leases Receivable, Gross, Carrying Amount | 38,542 | 39,131
Commercial Real Estate Hotel Motel [Member] | Current [Member] |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Total Accruing Loans | 38,542 | 39,131
Commercial Real Estate Hotel Motel [Member] | Accruing 30 to 89 Days Past Due [Member] |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Total Accruing Loans | 0 | 0
Commercial Real Estate Hotel Motel [Member] | Accruing Greater Than 90 days {Member] |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Total Accruing Loans | 0 | 0
Commercial Real Estate Multifamily [Member] |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Total Accruing Loans | 44,135 | 45,841
Non Accrual | 0 | 0
Loans and Leases Receivable, Gross, Carrying Amount | 44,135 | 45,841
Commercial Real Estate Multifamily [Member] | Current [Member] |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Total Accruing Loans | 44,135 | 45,841
Commercial Real Estate Multifamily [Member] | Accruing 30 to 89 Days Past Due [Member] |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Total Accruing Loans | 0 | 0
Commercial Real Estate Multifamily [Member] | Accruing Greater Than 90 days {Member] |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Total Accruing Loans | 0 | 0
Commercial Real Estate Other Loans [Member] |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Total Accruing Loans | 151,171 | 135,552
Non Accrual | 0 | 0
Loans and Leases Receivable, Gross, Carrying Amount | 151,171 | 135,552
Commercial Real Estate Other Loans [Member] | Current [Member] |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Total Accruing Loans | 151,171 | 135,552
Commercial Real Estate Other Loans [Member] | Accruing 30 to 89 Days Past Due [Member] |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Total Accruing Loans | 0 | 0
Commercial Real Estate Other Loans [Member] | Accruing Greater Than 90 days {Member] |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Total Accruing Loans | 0 | 0
Commercial Real Estate Loans, Total [Member] |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Total Accruing Loans | 296,479 | 286,524
Non Accrual | 753 | 783
Loans and Leases Receivable, Gross, Carrying Amount | 297,232 | 287,307
Commercial Real Estate Loans, Total [Member] | Current [Member] |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Total Accruing Loans | 296,479 | 286,524
Commercial Real Estate Loans, Total [Member] | Accruing 30 to 89 Days Past Due [Member] |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Total Accruing Loans | 0 | 0
Commercial Real Estate Loans, Total [Member] | Accruing Greater Than 90 days {Member] |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Total Accruing Loans | 0 | 0
Residential Real Estate Consumer Mortgage Loans [Member] |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Total Accruing Loans | 60,916 | 60,442
Non Accrual | 41 | 103
Loans and Leases Receivable, Gross, Carrying Amount | 60,957 | 60,545
Residential Real Estate Consumer Mortgage Loans [Member] | Current [Member] |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Total Accruing Loans | 60,805 | 60,442
Residential Real Estate Consumer Mortgage Loans [Member] | Accruing 30 to 89 Days Past Due [Member] |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Total Accruing Loans | 111 | 0
Residential Real Estate Consumer Mortgage Loans [Member] | Accruing Greater Than 90 days {Member] |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Total Accruing Loans | 0 | 0
Residential Real Estate Investment Property Loans [Member] |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Total Accruing Loans | 58,470 | 56,887
Non Accrual | 0 | 25
Loans and Leases Receivable, Gross, Carrying Amount | 58,470 | 56,912
Residential Real Estate Investment Property Loans [Member] | Current [Member] |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Total Accruing Loans | 58,372 | 56,597
Residential Real Estate Investment Property Loans [Member] | Accruing 30 to 89 Days Past Due [Member] |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Total Accruing Loans | 98 | 290
Residential Real Estate Investment Property Loans [Member] | Accruing Greater Than 90 days {Member] |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Total Accruing Loans | 0 | 0
Residential Real Estate Loans, Total [Member] |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Total Accruing Loans | 119,386 | 117,329
Non Accrual | 41 | 128
Loans and Leases Receivable, Gross, Carrying Amount | 119,427 | 117,457
Residential Real Estate Loans, Total [Member] | Current [Member] |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Total Accruing Loans | 119,177 | 117,039
Residential Real Estate Loans, Total [Member] | Accruing 30 to 89 Days Past Due [Member] |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Total Accruing Loans | 209 | 290
Residential Real Estate Loans, Total [Member] | Accruing Greater Than 90 days {Member] |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Total Accruing Loans | 0 | 0
Consumer Installment and Revolving Loans [Member] |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Total Accruing Loans | 10,094 | 10,827
Loans and Leases Receivable, Gross, Carrying Amount | 10,094 | 10,827
Consumer Installment and Revolving Loans [Member] | Current [Member] |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Total Accruing Loans | 10,071 | 10,781
Consumer Installment and Revolving Loans [Member] | Accruing 30 to 89 Days Past Due [Member] |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Total Accruing Loans | 23 | 46
Consumer Installment and Revolving Loans [Member] | Accruing Greater Than 90 days {Member] |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Total Accruing Loans | $ 0 | $ 0

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

X
- Definition Amortized cost excluding accrued interest, before allowance for credit loss, of financing receivable. Excludes net investment in lease. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 326 -SubTopic 20 -Name Accounting Standards Codification -Section 45 -Paragraph 1 -Publisher FASB -URI https://asc.fasb.org//1943274/2147479344/326-20-45-1 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 326 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 3B -Publisher FASB -URI https://asc.fasb.org//1943274/2147479319/326-20-50-3B Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Topic 326 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 5 -Subparagraph (b) -Publisher FASB -URI https://asc.fasb.org//1943274/2147479319/326-20-50-5 + Details
Name: | us-gaap_FinancingReceivableExcludingAccruedInterestBeforeAllowanceForCreditLoss
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Amortized cost of financing receivable on nonaccrual status. Excludes net investment in lease. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 326 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 16 -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org//1943274/2147479319/326-20-50-16 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Name Regulation S-K (SK) -Number 229 -Section 1405 -Paragraph (a) -Subparagraph (3) -Publisher SEC Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Name Regulation S-K (SK) -Number 229 -Section 1405 -Paragraph (a) -Subparagraph (2) -Publisher SEC Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 7 -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org//1943274/2147481962/310-10-50-7 + Details
Name: | us-gaap_FinancingReceivableRecordedInvestmentNonaccrualStatus
Namespace Prefix: | us-gaap_
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 Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 326 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 14 -Publisher FASB -URI https://asc.fasb.org//1943274/2147479319/326-20-50-14 Reference 2: http://www.xbrl.org/2003/role/exampleRef -Topic 326 -SubTopic 20 -Name Accounting Standards Codification -Section 55 -Paragraph 80 -Publisher FASB -URI https://asc.fasb.org//1943274/2147479294/326-20-55-80 + Details
Name: | us-gaap_FinancingReceivableRecordedInvestmentPastDueLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | us-gaap_FinancingReceivablesPeriodPastDueAxis=us-gaap_FinancialAssetNotPastDueMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancingReceivablesPeriodPastDueAxis=us-gaap_FinancingReceivables1To29DaysPastDueMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancingReceivablesPeriodPastDueAxis=aubn_FinancialAssetMoreThan30DaysPastDueMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

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

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

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

X
- Details
Name: | us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis=aubn_CommercialRealEstateHotelMotelMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis=aubn_CommercialRealEstateMultifamilyMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis=aubn_CommercialRealEstateOtherLoansMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

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

X
- Details
Name: | us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis=aubn_ResidentialRealEstateConsumerMortgageLoansMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

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

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

X
- Details
Name: | us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis=aubn_ConsumerInstallmentAndRevolvingLoansMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |