$AUBN
AUBURN NATIONAL BANCORPORATION, INC Stock $aubn

$aubn Overview Financials Valuation SEC Filings Company Website

2023 Q1 Form 10-K Financial Statement

#000119312523074092 Filed on March 17, 2023

Income Statement

Concept	2023 Q1	2022 Q4	2022
Revenue	$154.0K		$598.0K
YoY Change	-97.69%		-97.74%
Cost Of Revenue
YoY Change
Gross Profit
YoY Change
Gross Profit Margin
Selling, General & Admin
YoY Change
% of Gross Profit
Research & Development
YoY Change
% of Gross Profit
Depreciation & Amortization	$423.0K	$430.0K	$1.200M
YoY Change	76.25%	59.26%	86.34%
% of Gross Profit
Operating Expenses
YoY Change
Operating Profit
YoY Change
Interest Expense	$1.126M		$2.379M
YoY Change	90.85%		-5.48%
% of Operating Profit
Other Income/Expense, Net
YoY Change
Pretax Income	$2.231M	$5.920M	$12.85M
YoY Change	-4.45%	200.51%	36.04%
Income Tax	$267.0K	$1.454M	$2.503M
% Of Pretax Income	11.97%	24.56%	19.48%
Net Earnings	$1.964M	$4.466M	$10.35M
YoY Change	-5.62%	138.82%	28.7%
Net Earnings / Revenue	1275.32%		1730.1%
Basic Earnings Per Share	$0.56		$2.95
Diluted Earnings Per Share	$0.56	$1.27	$2.95
COMMON SHARES
Basic Shares Outstanding	3.501M shares		3.511M shares
Diluted Shares Outstanding

Balance Sheet

Concept	2023 Q1	2022 Q4	2022
SHORT-TERM ASSETS
Cash & Short-Term Investments
YoY Change
Cash & Equivalents	$25.86M	$27.25M
Short-Term Investments
Other Short-Term Assets
YoY Change
Inventory
Prepaid Expenses
Receivables
Other Receivables
Total Short-Term Assets
YoY Change
LONG-TERM ASSETS
Property, Plant & Equipment	$46.22M	$46.58M	$47.16M
YoY Change	9.73%	11.63%	11.23%
Goodwill
YoY Change
Intangibles
YoY Change
Long-Term Investments
YoY Change
Other Assets	$12.20M		$13.77M
YoY Change			3342.25%
Total Long-Term Assets
YoY Change
TOTAL ASSETS
Total Short-Term Assets
Total Long-Term Assets
Total Assets	$1.018B	$1.024B	$1.024B
YoY Change	-8.28%	-7.35%	-7.36%
SHORT-TERM LIABILITIES
YoY Change
Accounts Payable
YoY Change
Accrued Expenses	$2.459M	$2.959M	$2.959M
YoY Change	63.93%	-20.03%	-20.03%
Deferred Revenue
YoY Change
Short-Term Debt	$2.457M	$2.551M	$2.551M
YoY Change	-38.58%	-24.97%	-24.97%
Long-Term Debt Due
YoY Change
Total Short-Term Liabilities	$4.916M	$2.959M	$2.959M
YoY Change	227.73%	-20.03%	-20.03%
LONG-TERM LIABILITIES
Long-Term Debt	$0.00	$0.00	$0.00
YoY Change
Other Long-Term Liabilities
YoY Change
Total Long-Term Liabilities	$0.00	$0.00	$0.00
YoY Change
TOTAL LIABILITIES
Total Short-Term Liabilities	$4.916M	$2.959M	$2.959M
Total Long-Term Liabilities	$0.00	$0.00	$0.00
Total Liabilities	$944.1M	$955.8M	$955.8M
YoY Change	-7.73%	-4.55%	-4.55%
SHAREHOLDERS EQUITY
Retained Earnings	$116.8M	$116.6M
YoY Change	5.11%	6.03%
Common Stock	$3.837M	$3.836M
YoY Change	0.08%	0.08%
Preferred Stock
YoY Change
Treasury Stock (at cost)	$11.54M	$11.48M
YoY Change	4.03%	4.58%
Treasury Stock Shares	456.3K shares	453.7K shares
Shareholders Equity	$73.64M	$68.04M	$68.04M
YoY Change
Total Liabilities & Shareholders Equity	$1.018B	$1.024B	$1.024B
YoY Change	-8.28%	-7.35%	-7.36%

Cashflow Statement

Concept	2023 Q1	2022 Q4	2022
OPERATING ACTIVITIES
Net Income	$1.964M	$4.466M	$10.35M
YoY Change	-5.62%	138.82%	28.7%
Depreciation, Depletion And Amortization	$423.0K	$430.0K	$1.200M
YoY Change	76.25%	59.26%	86.34%
Cash From Operating Activities	$4.891M	$2.254M	$10.98M
YoY Change	143.7%	-32.92%	-10.88%
INVESTING ACTIVITIES
Capital Expenditures	$5.000K	$1.509M	$7.049M
YoY Change	-100.91%	-121.9%	-134.93%
Acquisitions
YoY Change
Other Investing Activities	$5.966M	-$14.49M	-$83.91M
YoY Change	-32.74%	-43.83%	-14.96%
Cash From Investing Activities	$5.961M	-$16.00M	-$90.96M
YoY Change	-28.34%	-51.04%	-23.46%
FINANCING ACTIVITIES
Cash Dividend Paid
YoY Change
Common Stock Issuance & Retirement, Net			$504.0K
YoY Change			-68.87%
Debt Paid & Issued, Net
YoY Change
Cash From Financing Activities	-$12.25M	-28.64M	-$49.03M
YoY Change	-153.28%	-174.96%	-132.64%
NET CHANGE
Cash From Operating Activities	$4.891M	2.254M	$10.98M
Cash From Investing Activities	$5.961M	-16.00M	-$90.96M
Cash From Financing Activities	-$12.25M	-28.64M	-$49.03M
Net Change In Cash	-$1.398M	-42.38M	-$129.0M
YoY Change	-104.2%	-577.29%	21.11%
FREE CASH FLOW
Cash From Operating Activities	$4.891M	$2.254M	$10.98M
Capital Expenditures	$5.000K	$1.509M	$7.049M
Free Cash Flow	$4.886M	$745.0K	$3.931M
YoY Change	91.08%	-92.73%	-87.9%

Facts In Submission

Frame	Concept Type	Concept / XBRL Key	Value	Unit
CY2021Q4	us-gaap	Loans And Leases Receivable Allowance LoansAndLeasesReceivableAllowance	4939000	usd
CY2022	us-gaap	Provision For Loan And Lease Losses ProvisionForLoanAndLeaseLosses	1000000	usd
CY2021	us-gaap	Depreciation And Amortization DepreciationAndAmortization	1244000	usd
CY2022Q4	us-gaap	Federal Funds Sold FederalFundsSold	9300000	usd
CY2021Q4	us-gaap	Federal Funds Sold FederalFundsSold	77420000	usd
CY2022Q4	us-gaap	Interest Bearing Deposits In Banks InterestBearingDepositsInBanks	6346000	usd
CY2021Q4	us-gaap	Preferred Stock Par Or Stated Value Per Share PreferredStockParOrStatedValuePerShare	0.01
CY2021Q4	us-gaap	Preferred Stock Shares Authorized PreferredStockSharesAuthorized	200000	shares
CY2022Q4	us-gaap	Preferred Stock Shares Issued PreferredStockSharesIssued	0	shares
CY2021Q4	us-gaap	Preferred Stock Shares Issued PreferredStockSharesIssued	0	shares
CY2021Q4	us-gaap	Common Stock Par Or Stated Value Per Share CommonStockParOrStatedValuePerShare	0.01
CY2021Q4	us-gaap	Common Stock Shares Authorized CommonStockSharesAuthorized	8500000	shares
CY2021Q4	us-gaap	Common Stock Shares Issued CommonStockSharesIssued	3957135	shares
CY2022	dei	Entity Central Index Key EntityCentralIndexKey	0000750574
CY2022	dei	Current Fiscal Year End Date CurrentFiscalYearEndDate	--12-31
CY2022	dei	Document Fiscal Year Focus DocumentFiscalYearFocus	2022
CY2022	dei	Document Fiscal Period Focus DocumentFiscalPeriodFocus	FY
CY2022	dei	Amendment Flag AmendmentFlag	false
CY2022	dei	Document Annual Report DocumentAnnualReport	true
CY2022	dei	Document Transition Report DocumentTransitionReport	false
CY2022	dei	Entity Small Business EntitySmallBusiness	true
CY2022	dei	Entity Emerging Growth Company EntityEmergingGrowthCompany	false
CY2022	dei	Icfr Auditor Attestation Flag IcfrAuditorAttestationFlag	false
CY2022	dei	Entity Shell Company EntityShellCompany	false
CY2021Q4	us-gaap	Operating Lease Right Of Use Asset Statement Of Financial Position Extensible List OperatingLeaseRightOfUseAssetStatementOfFinancialPositionExtensibleList	http://fasb.org/us-gaap/2022#OtherAssets
CY2022Q4	us-gaap	Operating Lease Right Of Use Asset Statement Of Financial Position Extensible List OperatingLeaseRightOfUseAssetStatementOfFinancialPositionExtensibleList	http://fasb.org/us-gaap/2022#OtherAssets
CY2021Q4	us-gaap	Operating Lease Liability Statement Of Financial Position Extensible List OperatingLeaseLiabilityStatementOfFinancialPositionExtensibleList	http://fasb.org/us-gaap/2022#OtherLiabilities
CY2022Q4	us-gaap	Operating Lease Liability Statement Of Financial Position Extensible List OperatingLeaseLiabilityStatementOfFinancialPositionExtensibleList	http://fasb.org/us-gaap/2022#OtherLiabilities
CY2022	dei	Document Type DocumentType	10-K
CY2022	dei	Document Period End Date DocumentPeriodEndDate	2022-12-31
CY2022	dei	Entity File Number EntityFileNumber	0-26486
CY2022	dei	Entity Registrant Name EntityRegistrantName	Auburn National Bancorporation, Inc.
CY2022	dei	Entity Incorporation State Country Code EntityIncorporationStateCountryCode	DE
CY2022	dei	Entity Tax Identification Number EntityTaxIdentificationNumber	63-0885779
CY2022	dei	Entity Address Address Line1 EntityAddressAddressLine1	100 N. Gay Street
CY2022	dei	Entity Address City Or Town EntityAddressCityOrTown	Auburn,
CY2022	dei	Entity Address State Or Province EntityAddressStateOrProvince	AL
CY2022	dei	Entity Address Postal Zip Code EntityAddressPostalZipCode	36830
CY2022	dei	City Area Code CityAreaCode	334
CY2022	dei	Local Phone Number LocalPhoneNumber	821-9200
CY2022	dei	Security12b Title Security12bTitle	Common Stock
CY2022	dei	Trading Symbol TradingSymbol	AUBN
CY2022	dei	Security Exchange Name SecurityExchangeName	NASDAQ
CY2022	dei	Entity Well Known Seasoned Issuer EntityWellKnownSeasonedIssuer	No
CY2022	dei	Entity Voluntary Filers EntityVoluntaryFilers	No
CY2022	dei	Entity Current Reporting Status EntityCurrentReportingStatus	Yes
CY2022	dei	Entity Interactive Data Current EntityInteractiveDataCurrent	Yes
CY2022	dei	Entity Filer Category EntityFilerCategory	Non-accelerated Filer
CY2022Q2	dei	Entity Public Float EntityPublicFloat	61228105	usd
CY2023Q1	dei	Entity Common Stock Shares Outstanding EntityCommonStockSharesOutstanding	3500879	shares
CY2022	dei	Auditor Firm AuditorFirmId	149
CY2022	dei	Auditor Name AuditorName	Elliott Davis, LLC
CY2022	dei	Auditor Location AuditorLocation	Greenville, South Carolina
CY2022Q4	us-gaap	Cash And Due From Banks CashAndDueFromBanks	11608000	usd
CY2021Q4	us-gaap	Cash And Due From Banks CashAndDueFromBanks	11210000	usd
CY2021Q4	us-gaap	Interest Bearing Deposits In Banks InterestBearingDepositsInBanks	67629000	usd
CY2022Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	27254000	usd
CY2021Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	156259000	usd
CY2022Q4	us-gaap	Available For Sale Securities Debt Securities AvailableForSaleSecuritiesDebtSecurities	405304000	usd
CY2021Q4	us-gaap	Available For Sale Securities Debt Securities AvailableForSaleSecuritiesDebtSecurities	421891000	usd
CY2022Q4	us-gaap	Loans Receivable Held For Sale Amount LoansReceivableHeldForSaleAmount	0	usd
CY2021Q4	us-gaap	Loans Receivable Held For Sale Amount LoansReceivableHeldForSaleAmount	1376000	usd
CY2022Q4	us-gaap	Loans And Leases Receivable Net Of Deferred Income LoansAndLeasesReceivableNetOfDeferredIncome	504458000	usd
CY2021Q4	us-gaap	Loans And Leases Receivable Net Of Deferred Income LoansAndLeasesReceivableNetOfDeferredIncome	458364000	usd
CY2022Q4	us-gaap	Loans And Leases Receivable Allowance LoansAndLeasesReceivableAllowance	5765000	usd
CY2022Q4	us-gaap	Loans And Leases Receivable Net Reported Amount LoansAndLeasesReceivableNetReportedAmount	498693000	usd
CY2021Q4	us-gaap	Loans And Leases Receivable Net Reported Amount LoansAndLeasesReceivableNetReportedAmount	453425000	usd
CY2022Q4	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	46575000	usd
CY2021Q4	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	41724000	usd
CY2022Q4	us-gaap	Bank Owned Life Insurance BankOwnedLifeInsurance	19952000	usd
CY2021Q4	us-gaap	Bank Owned Life Insurance BankOwnedLifeInsurance	19635000	usd
CY2022Q4	us-gaap	Other Assets OtherAssets	26110000	usd
CY2021Q4	us-gaap	Other Assets OtherAssets	10840000	usd
CY2022Q4	us-gaap	Assets Assets	1023888000	usd
CY2021Q4	us-gaap	Assets Assets	1105150000	usd
CY2022Q4	us-gaap	Noninterest Bearing Deposit Liabilities NoninterestBearingDepositLiabilities	311371000	usd
CY2021Q4	us-gaap	Noninterest Bearing Deposit Liabilities NoninterestBearingDepositLiabilities	316132000	usd
CY2022Q4	us-gaap	Interest Bearing Deposit Liabilities InterestBearingDepositLiabilities	638966000	usd
CY2021Q4	us-gaap	Interest Bearing Deposit Liabilities InterestBearingDepositLiabilities	678111000	usd
CY2022Q4	us-gaap	Deposits Deposits	950337000	usd
CY2021Q4	us-gaap	Deposits Deposits	994243000	usd
CY2022Q4	us-gaap	Federal Funds Purchased And Securities Sold Under Agreements To Repurchase FederalFundsPurchasedAndSecuritiesSoldUnderAgreementsToRepurchase	2551000	usd
CY2021Q4	us-gaap	Federal Funds Purchased And Securities Sold Under Agreements To Repurchase FederalFundsPurchasedAndSecuritiesSoldUnderAgreementsToRepurchase	3448000	usd
CY2022Q4	us-gaap	Other Liabilities OtherLiabilities	2959000	usd
CY2021Q4	us-gaap	Other Liabilities OtherLiabilities	3733000	usd
CY2022Q4	us-gaap	Liabilities Liabilities	955847000	usd
CY2021Q4	us-gaap	Liabilities Liabilities	1001424000	usd
CY2022Q4	us-gaap	Preferred Stock Par Or Stated Value Per Share PreferredStockParOrStatedValuePerShare	0.01
CY2022Q4	us-gaap	Preferred Stock Shares Authorized PreferredStockSharesAuthorized	200000	shares
CY2022Q4	us-gaap	Preferred Stock Value PreferredStockValue	0	usd
CY2021Q4	us-gaap	Preferred Stock Value PreferredStockValue	0	usd
CY2022Q4	us-gaap	Common Stock Par Or Stated Value Per Share CommonStockParOrStatedValuePerShare	0.01
CY2022Q4	us-gaap	Common Stock Shares Authorized CommonStockSharesAuthorized	8500000	shares
CY2022Q4	us-gaap	Common Stock Shares Issued CommonStockSharesIssued	3957135	shares
CY2022Q4	us-gaap	Common Stock Value CommonStockValue	39000	usd
CY2021Q4	us-gaap	Common Stock Value CommonStockValue	39000	usd
CY2022Q4	us-gaap	Additional Paid In Capital Common Stock AdditionalPaidInCapitalCommonStock	3797000	usd
CY2021Q4	us-gaap	Additional Paid In Capital Common Stock AdditionalPaidInCapitalCommonStock	3794000	usd
CY2022Q4	us-gaap	Retained Earnings Accumulated Deficit RetainedEarningsAccumulatedDeficit	116600000	usd
CY2021Q4	us-gaap	Retained Earnings Accumulated Deficit RetainedEarningsAccumulatedDeficit	109974000	usd
CY2022Q4	us-gaap	Accumulated Other Comprehensive Income Loss Net Of Tax AccumulatedOtherComprehensiveIncomeLossNetOfTax	-40920000	usd
CY2021Q4	us-gaap	Accumulated Other Comprehensive Income Loss Net Of Tax AccumulatedOtherComprehensiveIncomeLossNetOfTax	891000	usd
CY2022Q4	us-gaap	Treasury Stock Shares TreasuryStockShares	453683	shares
CY2021Q4	us-gaap	Treasury Stock Shares TreasuryStockShares	436650	shares
CY2022Q4	us-gaap	Treasury Stock Value TreasuryStockValue	11475000	usd
CY2021Q4	us-gaap	Treasury Stock Value TreasuryStockValue	10972000	usd
CY2022Q4	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	68041000	usd
CY2021Q4	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	103726000	usd
CY2022Q4	us-gaap	Liabilities And Stockholders Equity LiabilitiesAndStockholdersEquity	1023888000	usd
CY2021Q4	us-gaap	Liabilities And Stockholders Equity LiabilitiesAndStockholdersEquity	1105150000	usd
CY2022	us-gaap	Provision For Loan Lease And Other Losses ProvisionForLoanLeaseAndOtherLosses	1000000	usd
CY2021	us-gaap	Provision For Loan Lease And Other Losses ProvisionForLoanLeaseAndOtherLosses	-600000	usd
CY2022	us-gaap	Revenue From Contract With Customer Including Assessed Tax RevenueFromContractWithCustomerIncludingAssessedTax	598000	usd
CY2021	us-gaap	Revenue From Contract With Customer Including Assessed Tax RevenueFromContractWithCustomerIncludingAssessedTax	566000	usd
CY2022	us-gaap	Gain Loss On Sales Of Loans Net GainLossOnSalesOfLoansNet	650000	usd
CY2021	us-gaap	Gain Loss On Sales Of Loans Net GainLossOnSalesOfLoansNet	1547000	usd
CY2022	us-gaap	Bank Owned Life Insurance Income BankOwnedLifeInsuranceIncome	317000	usd
CY2021	us-gaap	Bank Owned Life Insurance Income BankOwnedLifeInsuranceIncome	403000	usd
CY2022	us-gaap	Gain Loss On Sale Of Property Plant Equipment GainLossOnSaleOfPropertyPlantEquipment	3234000	usd
CY2021	us-gaap	Gain Loss On Sale Of Property Plant Equipment GainLossOnSaleOfPropertyPlantEquipment	0	usd
CY2022	us-gaap	Noninterest Income Other NoninterestIncomeOther	1695000	usd
CY2021	us-gaap	Noninterest Income Other NoninterestIncomeOther	1757000	usd
CY2022	us-gaap	Debt Securities Realized Gain Loss DebtSecuritiesRealizedGainLoss	12000	usd
CY2021	us-gaap	Debt Securities Realized Gain Loss DebtSecuritiesRealizedGainLoss	15000	usd
CY2022	us-gaap	Noninterest Income NoninterestIncome	6506000	usd
CY2021	us-gaap	Noninterest Income NoninterestIncome	4288000	usd
CY2022	us-gaap	Labor And Related Expense LaborAndRelatedExpense	12307000	usd
CY2021	us-gaap	Labor And Related Expense LaborAndRelatedExpense	11710000	usd
CY2022	aubn	Employee Retention Tax Credit EmployeeRetentionTaxCredit	-1569000	usd
CY2021	aubn	Employee Retention Tax Credit EmployeeRetentionTaxCredit	0	usd
CY2022	us-gaap	Occupancy Net OccupancyNet	2742000	usd
CY2021	us-gaap	Occupancy Net OccupancyNet	1743000	usd
CY2022	us-gaap	Professional Fees ProfessionalFees	975000	usd
CY2021	us-gaap	Professional Fees ProfessionalFees	995000	usd
CY2022	aubn	Fdic And Other Regulatory Assessments FdicAndOtherRegulatoryAssessments	404000	usd
CY2021	aubn	Fdic And Other Regulatory Assessments FdicAndOtherRegulatoryAssessments	426000	usd
CY2022	us-gaap	Other Noninterest Expense OtherNoninterestExpense	4964000	usd
CY2022	us-gaap	Noninterest Expense NoninterestExpense	19823000	usd
CY2021	us-gaap	Noninterest Expense NoninterestExpense	19433000	usd
CY2022	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	12849000	usd
CY2021	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	9445000	usd
CY2022	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	2503000	usd
CY2021	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	1406000	usd
CY2022	us-gaap	Profit Loss ProfitLoss	10346000	usd
CY2021	us-gaap	Profit Loss ProfitLoss	8039000	usd
CY2022	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	2.95
CY2021	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	2.27
CY2022	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	3510869	shares
CY2021	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	3545310	shares
CY2022	us-gaap	Profit Loss ProfitLoss	10346000	usd
CY2021	us-gaap	Profit Loss ProfitLoss	8039000	usd
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CY2022	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	-41811000	usd
CY2021	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	-6708000	usd
CY2022	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	-31465000	usd
CY2021	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	1331000	usd
CY2020Q4	us-gaap	Common Stock Shares Outstanding CommonStockSharesOutstanding	3566276	shares
CY2020Q4	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	107690000	usd
CY2021	us-gaap	Profit Loss ProfitLoss	8039000	usd
CY2021	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	-6708000	usd
CY2021	us-gaap	Common Stock Dividends Per Share Cash Paid CommonStockDividendsPerShareCashPaid	1.04
CY2021	aubn	Cash Dividends Paid CashDividendsPaid	3682000	usd
CY2021	us-gaap	Stock Repurchased During Period Value StockRepurchasedDuringPeriodValue	1619000	usd
CY2021	us-gaap	Stock Issued During Period Value Treasury Stock Reissued StockIssuedDuringPeriodValueTreasuryStockReissued	6000	usd
CY2021Q4	us-gaap	Common Stock Shares Outstanding CommonStockSharesOutstanding	3520485	shares
CY2021Q4	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	103726000	usd
CY2022	us-gaap	Profit Loss ProfitLoss	10346000	usd
CY2022	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	-41811000	usd
CY2022	us-gaap	Common Stock Dividends Per Share Cash Paid CommonStockDividendsPerShareCashPaid	1.06
CY2022	aubn	Cash Dividends Paid CashDividendsPaid	3720000	usd
CY2022	us-gaap	Stock Repurchased During Period Value StockRepurchasedDuringPeriodValue	504000	usd
CY2022	us-gaap	Stock Issued During Period Value Treasury Stock Reissued StockIssuedDuringPeriodValueTreasuryStockReissued	4000	usd
CY2022Q4	us-gaap	Common Stock Shares Outstanding CommonStockSharesOutstanding	3503452	shares
CY2022Q4	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	68041000	usd
CY2022	us-gaap	Profit Loss ProfitLoss	10346000	usd
CY2021	us-gaap	Profit Loss ProfitLoss	8039000	usd
CY2021	us-gaap	Provision For Loan And Lease Losses ProvisionForLoanAndLeaseLosses	-600000	usd
CY2022	us-gaap	Depreciation And Amortization DepreciationAndAmortization	1528000	usd
CY2022	us-gaap	Accretion Amortization Of Discounts And Premiums Investments AccretionAmortizationOfDiscountsAndPremiumsInvestments	-3091000	usd
CY2021	us-gaap	Accretion Amortization Of Discounts And Premiums Investments AccretionAmortizationOfDiscountsAndPremiumsInvestments	-3979000	usd
CY2022	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	686000	usd
CY2021	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	278000	usd
CY2022	us-gaap	Gain Loss On Investments GainLossOnInvestments	12000	usd
CY2021	us-gaap	Gain Loss On Investments GainLossOnInvestments	15000	usd
CY2022	us-gaap	Gain Loss On Sale Of Mortgage Loans GainLossOnSaleOfMortgageLoans	309000	usd
CY2021	us-gaap	Gain Loss On Sale Of Mortgage Loans GainLossOnSaleOfMortgageLoans	1417000	usd
CY2022	aubn	Net Loss Gain On Other Real Estate NetLossGainOnOtherRealEstate	162000	usd
CY2021	aubn	Net Loss Gain On Other Real Estate NetLossGainOnOtherRealEstate	0	usd
CY2022	us-gaap	Payments For Origination Of Mortgage Loans Held For Sale PaymentsForOriginationOfMortgageLoansHeldForSale	8850000	usd
CY2021	us-gaap	Payments For Origination Of Mortgage Loans Held For Sale PaymentsForOriginationOfMortgageLoansHeldForSale	47937000	usd
CY2022	us-gaap	Proceeds From Sale Of Mortgage Loans Held For Sale ProceedsFromSaleOfMortgageLoansHeldForSale	10424000	usd
CY2021	us-gaap	Proceeds From Sale Of Mortgage Loans Held For Sale ProceedsFromSaleOfMortgageLoansHeldForSale	50901000	usd
CY2022	us-gaap	Life Insurance Corporate Or Bank Owned Change In Value LifeInsuranceCorporateOrBankOwnedChangeInValue	317000	usd
CY2021	us-gaap	Life Insurance Corporate Or Bank Owned Change In Value LifeInsuranceCorporateOrBankOwnedChangeInValue	403000	usd
CY2022	us-gaap	Increase Decrease In Other Operating Assets IncreaseDecreaseInOtherOperatingAssets	2441000	usd
CY2021	us-gaap	Increase Decrease In Other Operating Assets IncreaseDecreaseInOtherOperatingAssets	-1235000	usd
CY2022	us-gaap	Increase Decrease In Operating Liabilities IncreaseDecreaseInOperatingLiabilities	-770000	usd
CY2021	us-gaap	Increase Decrease In Operating Liabilities IncreaseDecreaseInOperatingLiabilities	-2984000	usd
CY2022	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	10980000	usd
CY2021	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	12320000	usd
CY2022	us-gaap	Proceeds From Sale Of Available For Sale Securities Debt ProceedsFromSaleOfAvailableForSaleSecuritiesDebt	4860000	usd
CY2021	us-gaap	Proceeds From Sale Of Available For Sale Securities Debt ProceedsFromSaleOfAvailableForSaleSecuritiesDebt	0	usd
CY2022	us-gaap	Proceeds From Maturities Prepayments And Calls Of Available For Sale Securities ProceedsFromMaturitiesPrepaymentsAndCallsOfAvailableForSaleSecurities	45921000	usd
CY2021	us-gaap	Proceeds From Maturities Prepayments And Calls Of Available For Sale Securities ProceedsFromMaturitiesPrepaymentsAndCallsOfAvailableForSaleSecurities	73607000	usd
CY2022	us-gaap	Payments To Acquire Available For Sale Securities Debt PaymentsToAcquireAvailableForSaleSecuritiesDebt	93106000	usd
CY2021	us-gaap	Payments To Acquire Available For Sale Securities Debt PaymentsToAcquireAvailableForSaleSecuritiesDebt	173243000	usd
CY2022	us-gaap	Payments For Proceeds From Loans And Leases PaymentsForProceedsFromLoansAndLeases	46268000	usd
CY2021	us-gaap	Payments For Proceeds From Loans And Leases PaymentsForProceedsFromLoansAndLeases	-2883000	usd
CY2022	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	7049000	usd
CY2021	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	20175000	usd
CY2022	us-gaap	Payments For Proceeds From Federal Home Loan Bank Stock PaymentsForProceedsFromFederalHomeLoanBankStock	74000	usd
CY2021	us-gaap	Payments For Proceeds From Federal Home Loan Bank Stock PaymentsForProceedsFromFederalHomeLoanBankStock	-267000	usd
CY2022	aubn	Purchase Of New Markets Tax Credit Investment PurchaseOfNewMarketsTaxCreditInvestment	0	usd
CY2021	aubn	Purchase Of New Markets Tax Credit Investment PurchaseOfNewMarketsTaxCreditInvestment	-2181000	usd
CY2022	us-gaap	Proceeds From Sale Of Property Plant And Equipment ProceedsFromSaleOfPropertyPlantAndEquipment	4222000	usd
CY2021	us-gaap	Proceeds From Sale Of Property Plant And Equipment ProceedsFromSaleOfPropertyPlantAndEquipment	0	usd
CY2022	us-gaap	Proceeds From Sale Of Foreclosed Assets ProceedsFromSaleOfForeclosedAssets	536000	usd
CY2021	us-gaap	Proceeds From Sale Of Foreclosed Assets ProceedsFromSaleOfForeclosedAssets	0	usd
CY2022	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-90958000	usd
CY2021	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-118842000	usd
CY2022	us-gaap	Net Change Noninterest Bearing Deposits Domestic NetChangeNoninterestBearingDepositsDomestic	-4761000	usd
CY2021	us-gaap	Net Change Noninterest Bearing Deposits Domestic NetChangeNoninterestBearingDepositsDomestic	70734000	usd
CY2022	us-gaap	Net Change Interest Bearing Deposits Domestic NetChangeInterestBearingDepositsDomestic	-39145000	usd
CY2021	us-gaap	Net Change Interest Bearing Deposits Domestic NetChangeInterestBearingDepositsDomestic	83717000	usd
CY2022	us-gaap	Increase Decrease In Federal Funds Purchased And Securities Sold Under Agreements To Repurchase Net IncreaseDecreaseInFederalFundsPurchasedAndSecuritiesSoldUnderAgreementsToRepurchaseNet	-897000	usd
CY2021	us-gaap	Increase Decrease In Federal Funds Purchased And Securities Sold Under Agreements To Repurchase Net IncreaseDecreaseInFederalFundsPurchasedAndSecuritiesSoldUnderAgreementsToRepurchaseNet	1056000	usd
CY2022	us-gaap	Payments For Repurchase Of Common Stock PaymentsForRepurchaseOfCommonStock	504000	usd
CY2021	us-gaap	Payments For Repurchase Of Common Stock PaymentsForRepurchaseOfCommonStock	1619000	usd
CY2022	us-gaap	Payments Of Ordinary Dividends PaymentsOfOrdinaryDividends	3720000	usd
CY2021	us-gaap	Payments Of Ordinary Dividends PaymentsOfOrdinaryDividends	3682000	usd
CY2022	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	-49027000	usd
CY2021	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	150206000	usd
CY2022	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Excluding Exchange Rate Effect CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseExcludingExchangeRateEffect	-129005000	usd
CY2021	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Excluding Exchange Rate Effect CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseExcludingExchangeRateEffect	43684000	usd
CY2020Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	112575000	usd
CY2022Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	27254000	usd
CY2021Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	156259000	usd
CY2022	us-gaap	Interest Paid Net InterestPaidNet	2341000	usd
CY2021	us-gaap	Interest Paid Net InterestPaidNet	2560000	usd
CY2022	us-gaap	Income Taxes Paid Net IncomeTaxesPaidNet	1351000	usd
CY2021	us-gaap	Income Taxes Paid Net IncomeTaxesPaidNet	2760000	usd
CY2022	us-gaap	Transfer Of Other Real Estate TransferOfOtherRealEstate	0	usd
CY2021	us-gaap	Transfer Of Other Real Estate TransferOfOtherRealEstate	374000	usd
CY2022	us-gaap	Nature Of Operations NatureOfOperations	<div id="TextBlockContainer1023" style="position:relative;font-family:'Times New Roman';font-size:13.28px;color:#000000;line-height:normal;width:661px;height:92px;display:inline-block;border:inherit;margin-left:-2px;margin-right:-2px;"><div id="a17414" style="position:absolute;font-family:'Times New Roman';font-size:13.28px;font-weight:bold;font-style:normal;color:#000000;left:4px;top:0px;">Nature of Business </div><div id="a17417" style="position:absolute;font-family:'Times New Roman';font-size:13.28px;font-weight:normal;font-style:normal;color:#000000;left:4px;top:31px;">Auburn National Bancorporation, Inc. (the “Company”) is a bank holding company<div style="display:inline-block;width:5px"> </div>whose primary business is conducted </div><div id="a17419" style="position:absolute;font-family:'Times New Roman';font-size:13.28px;font-weight:normal;font-style:normal;color:#000000;left:4px;top:46px;">by its wholly-owned subsidiary,<div style="display:inline-block;width:5px"> </div>AuburnBank (the “Bank”). AuburnBank is a commercial bank located in Auburn, </div><div id="a17422" style="position:absolute;font-family:'Times New Roman';font-size:13.28px;font-weight:normal;font-style:normal;color:#000000;left:4px;top:61px;">Alabama. The Bank provides a full range of banking services in its primary market area,<div style="display:inline-block;width:5px"> </div>Lee County, which includes the </div><div id="a17423" style="position:absolute;font-family:'Times New Roman';font-size:13.28px;font-weight:normal;font-style:normal;color:#000000;left:4px;top:77px;">Auburn-Opelika Metropolitan Statistical Area.</div></div>
CY2022	us-gaap	Basis Of Accounting BasisOfAccounting	<div id="TextBlockContainer1025" style="position:relative;font-family:'Times New Roman';font-size:13.28px;color:#000000;line-height:normal;width:666px;height:62px;display:inline-block;border:inherit;margin-left:-2px;margin-right:-2px;"><div id="a17429" style="position:absolute;font-family:'Times New Roman';font-size:13.28px;font-weight:bold;font-style:normal;color:#000000;left:4px;top:0px;">Basis of Presentation </div><div id="a17432" style="position:absolute;font-family:'Times New Roman';font-size:13.28px;font-weight:normal;font-style:normal;color:#000000;left:4px;top:31px;">The consolidated financial statements include the accounts of the Company and<div style="display:inline-block;width:5px"> </div>its wholly-owned subsidiaries. Significant </div><div id="a17436" style="position:absolute;font-family:'Times New Roman';font-size:13.28px;font-weight:normal;font-style:normal;color:#000000;left:4px;top:46px;">intercompany transactions and accounts are eliminated in consolidation.</div></div>
CY2022	us-gaap	Use Of Estimates UseOfEstimates	<div id="TextBlockContainer1029" style="position:relative;font-family:'Times New Roman';font-size:13.28px;color:#000000;line-height:normal;width:669px;height:123px;display:inline-block;border:inherit;margin-left:-2px;margin-right:-2px;"><div id="a17501" style="position:absolute;font-family:'Times New Roman';font-size:13.28px;font-weight:bold;font-style:normal;color:#000000;left:4px;top:0px;">Use of Estimates </div><div id="a17504" style="position:absolute;font-family:'Times New Roman';font-size:13.28px;font-weight:normal;font-style:normal;color:#000000;left:4px;top:31px;">The preparation of financial statements in conformity with U.S. generally accepted<div style="display:inline-block;width:5px"> </div>accounting principles requires </div><div id="a17507" style="position:absolute;font-family:'Times New Roman';font-size:13.28px;font-weight:normal;font-style:normal;color:#000000;left:4px;top:46px;">management to make estimates and assumptions that affect the reported<div style="display:inline-block;width:5px"> </div>amounts of assets and liabilities and the disclosure </div><div id="a17508" style="position:absolute;font-family:'Times New Roman';font-size:13.28px;font-weight:normal;font-style:normal;color:#000000;left:4px;top:61px;">of contingent assets and liabilities as of the balance sheet date and the reported<div style="display:inline-block;width:5px"> </div>amounts of income and expense during the </div><div id="a17510" style="position:absolute;font-family:'Times New Roman';font-size:13.28px;font-weight:normal;font-style:normal;color:#000000;left:4px;top:77px;">reporting period. Actual results could differ from those estimates. Material estimates<div style="display:inline-block;width:5px"> </div>that are particularly susceptible to </div><div id="a17511" style="position:absolute;font-family:'Times New Roman';font-size:13.28px;font-weight:normal;font-style:normal;color:#000000;left:4px;top:92px;">significant change in the near term include the determination of the allowance<div style="display:inline-block;width:5px"> </div>for loan losses, fair value measurements, </div><div id="a17514" style="position:absolute;font-family:'Times New Roman';font-size:13.28px;font-weight:normal;font-style:normal;color:#000000;left:4px;top:107px;">valuation of other real estate owned, and valuation of deferred tax assets.</div></div>
CY2019Q4	aubn	Change In Accounting Estimate Carrying Value Property Plant And Equipment ChangeInAccountingEstimateCarryingValuePropertyPlantAndEquipment	500000	usd
CY2021	aubn	Change In Accounting Estitmate After Tax Impact Net Earnings ChangeInAccountingEstitmateAfterTaxImpactNetEarnings	29000	usd
CY2021	aubn	Accounting Estimate Change Effect Of Change On Basic And Diluted Eanrings Per Share AccountingEstimateChangeEffectOfChangeOnBasicAndDilutedEanringsPerShare	0.01
CY2022	us-gaap	Reclassifications Reclassifications	<div id="TextBlockContainer1035" style="position:relative;font-family:'Times New Roman';font-size:13.28px;color:#000000;line-height:normal;width:652px;height:59px;display:inline-block;border:inherit;margin-left:-2px;margin-right:-2px;"><div id="a17558" style="position:absolute;font-family:'Times New Roman';font-size:13.28px;font-weight:bold;font-style:normal;color:#000000;left:4px;top:0px;">Reclassifications<div style="display:inline-block;width:4px"> </div></div><div id="a17561" style="position:absolute;font-family:'Times New Roman';font-size:13.28px;font-weight:normal;font-style:normal;color:#000000;left:4px;top:28px;">Certain amounts reported in the prior period have been reclassified to conform to the current<div style="display:inline-block;width:1px"> </div>-period presentation. These </div><div id="a17564" style="position:absolute;font-family:'Times New Roman';font-size:13.28px;font-weight:normal;font-style:normal;color:#000000;left:4px;top:43px;">reclassifications had no impact on the Company’s<div style="display:inline-block;width:5px"> </div>previously reported net earnings or total stockholders’ equity.</div></div>
CY2022Q4	aubn	Allowanace For Loan Loss Percentage AllowanaceForLoanLossPercentage	0.0114	pure
CY2022Q4	aubn	Allowanace For Loan Loss Estimated Percentage Minimum AllowanaceForLoanLossEstimatedPercentageMinimum	0.0132	pure
CY2022Q4	aubn	Allowanace For Loan Loss Estimated Percentage Maximum AllowanaceForLoanLossEstimatedPercentageMaximum	0.0136	pure
CY2021Q4	aubn	Available For Sale Securities Gross Unrealized Gains2 AvailableForSaleSecuritiesGrossUnrealizedGains2	6218000	usd
CY2021Q4	aubn	Available For Sale Securities Gross Unrealized Losses AvailableForSaleSecuritiesGrossUnrealizedLosses	5029000	usd
CY2021Q4	us-gaap	Available For Sale Debt Securities Amortized Cost Basis AvailableForSaleDebtSecuritiesAmortizedCostBasis	420702000	usd
CY2022Q4	us-gaap	Debt Securities Available For Sale Restricted DebtSecuritiesAvailableForSaleRestricted	208300000	usd
CY2021Q4	us-gaap	Debt Securities Available For Sale Restricted DebtSecuritiesAvailableForSaleRestricted	172300000	usd
CY2022Q4	aubn	Cost Method Securties Investment Carrying Amount CostMethodSecurtiesInvestmentCarryingAmount	1200000	usd
CY2022Q4	us-gaap	Debt Securities Available For Sale Continuous Unrealized Loss Position Less Than12 Months DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12Months	171001000	usd
CY2022	us-gaap	Profit Loss ProfitLoss	10346000	usd
CY2021	us-gaap	Profit Loss ProfitLoss	8039000	usd
CY2022	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	3510869	shares
CY2021	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	3545310	shares
CY2022	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	2.95
CY2021	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	2.27
CY2022Q4	us-gaap	Available For Sale Securities Debt Maturities Within One Year Fair Value AvailableForSaleSecuritiesDebtMaturitiesWithinOneYearFairValue	5235000	usd
CY2022Q4	us-gaap	Available For Sale Securities Debt Maturities After One Through Five Years Fair Value AvailableForSaleSecuritiesDebtMaturitiesAfterOneThroughFiveYearsFairValue	58518000	usd
CY2022Q4	us-gaap	Available For Sale Securities Debt Maturities After Five Through Ten Years Fair Value AvailableForSaleSecuritiesDebtMaturitiesAfterFiveThroughTenYearsFairValue	112219000	usd
CY2022Q4	us-gaap	Available For Sale Securities Debt Maturities After Ten Years Fair Value AvailableForSaleSecuritiesDebtMaturitiesAfterTenYearsFairValue	229332000	usd
CY2022Q4	aubn	Available For Sale Securities Fair Value AvailableForSaleSecuritiesFairValue	405304000	usd
CY2022Q4	aubn	Available For Sale Securities Gross Unrealized Gains2 AvailableForSaleSecuritiesGrossUnrealizedGains2	11000	usd
CY2022Q4	aubn	Available For Sale Securities Gross Unrealized Losses AvailableForSaleSecuritiesGrossUnrealizedLosses	54653000	usd
CY2022Q4	us-gaap	Available For Sale Debt Securities Amortized Cost Basis AvailableForSaleDebtSecuritiesAmortizedCostBasis	459946000	usd
CY2021Q4	us-gaap	Available For Sale Securities Debt Maturities Within One Year Fair Value AvailableForSaleSecuritiesDebtMaturitiesWithinOneYearFairValue	5177000	usd
CY2021Q4	us-gaap	Available For Sale Securities Debt Maturities After One Through Five Years Fair Value AvailableForSaleSecuritiesDebtMaturitiesAfterOneThroughFiveYearsFairValue	50931000	usd
CY2021Q4	us-gaap	Available For Sale Securities Debt Maturities After Five Through Ten Years Fair Value AvailableForSaleSecuritiesDebtMaturitiesAfterFiveThroughTenYearsFairValue	121400000	usd
CY2021Q4	us-gaap	Available For Sale Securities Debt Maturities After Ten Years Fair Value AvailableForSaleSecuritiesDebtMaturitiesAfterTenYearsFairValue	244383000	usd
CY2021Q4	aubn	Available For Sale Securities Fair Value AvailableForSaleSecuritiesFairValue	421891000	usd
CY2022Q4	us-gaap	Debt Securities Available For Sale Continuous Unrealized Loss Position Less Than12 Months Accumulated Loss DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12MonthsAccumulatedLoss	12179000	usd
CY2022Q4	us-gaap	Debt Securities Available For Sale Continuous Unrealized Loss Position12 Months Or Longer DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPosition12MonthsOrLonger	230597000	usd
CY2022Q4	us-gaap	Debt Securities Available For Sale Continuous Unrealized Loss Position12 Months Or Longer Accumulated Loss DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPosition12MonthsOrLongerAccumulatedLoss	42474000	usd
CY2022Q4	us-gaap	Debt Securities Available For Sale Unrealized Loss Position DebtSecuritiesAvailableForSaleUnrealizedLossPosition	401598000	usd
CY2022Q4	us-gaap	Debt Securities Available For Sale Unrealized Loss Position Accumulated Loss DebtSecuritiesAvailableForSaleUnrealizedLossPositionAccumulatedLoss	54653000	usd
CY2021Q4	us-gaap	Debt Securities Available For Sale Continuous Unrealized Loss Position Less Than12 Months DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12Months	187869000	usd
CY2021Q4	us-gaap	Debt Securities Available For Sale Continuous Unrealized Loss Position Less Than12 Months Accumulated Loss DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12MonthsAccumulatedLoss	2689000	usd
CY2021Q4	us-gaap	Debt Securities Available For Sale Continuous Unrealized Loss Position12 Months Or Longer DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPosition12MonthsOrLonger	68137000	usd
CY2021Q4	us-gaap	Debt Securities Available For Sale Continuous Unrealized Loss Position12 Months Or Longer Accumulated Loss DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPosition12MonthsOrLongerAccumulatedLoss	2340000	usd
CY2021Q4	us-gaap	Debt Securities Available For Sale Unrealized Loss Position DebtSecuritiesAvailableForSaleUnrealizedLossPosition	256006000	usd
CY2021Q4	us-gaap	Debt Securities Available For Sale Unrealized Loss Position Accumulated Loss DebtSecuritiesAvailableForSaleUnrealizedLossPositionAccumulatedLoss	5029000	usd
CY2022	us-gaap	Gain On Sale Of Investments GainOnSaleOfInvestments	48000	usd
CY2021	us-gaap	Gain On Sale Of Investments GainOnSaleOfInvestments	15000	usd
CY2022	us-gaap	Loss On Sale Of Investments LossOnSaleOfInvestments	36000	usd
CY2021	us-gaap	Loss On Sale Of Investments LossOnSaleOfInvestments	0	usd
CY2022	us-gaap	Gain Loss On Sale Of Investments GainLossOnSaleOfInvestments	12000	usd
CY2021	us-gaap	Gain Loss On Sale Of Investments GainLossOnSaleOfInvestments	15000	usd
CY2022Q4	us-gaap	Loans And Leases Receivable Gross Carrying Amount LoansAndLeasesReceivableGrossCarryingAmount	505120000	usd
CY2021Q4	us-gaap	Loans And Leases Receivable Gross Carrying Amount LoansAndLeasesReceivableGrossCarryingAmount	459123000	usd
CY2022Q4	aubn	Loans And Leases Receivable Deferred Income1 LoansAndLeasesReceivableDeferredIncome1	662000	usd
CY2021Q4	aubn	Loans And Leases Receivable Deferred Income1 LoansAndLeasesReceivableDeferredIncome1	759000	usd
CY2022Q4	us-gaap	Loans And Leases Receivable Net Of Deferred Income LoansAndLeasesReceivableNetOfDeferredIncome	504458000	usd
CY2021Q4	us-gaap	Loans And Leases Receivable Net Of Deferred Income LoansAndLeasesReceivableNetOfDeferredIncome	458364000	usd
CY2022Q4	aubn	Percentage Of Loans Secured By Real Estate PercentageOfLoansSecuredByRealEstate	0.850	pure
CY2022	aubn	Loans Payroll Protection Program Number Of Loans LoansPayrollProtectionProgramNumberOfLoans	1	pure
CY2022Q4	aubn	Payroll Protection Program Loan Balance PayrollProtectionProgramLoanBalance	100000	usd
CY2021	aubn	Loans Payroll Protection Program Number Of Loans LoansPayrollProtectionProgramNumberOfLoans	138	pure
CY2021Q4	aubn	Payroll Protection Program Loan Balance PayrollProtectionProgramLoanBalance	8100000	usd
CY2022Q4	aubn	Financing Receivable Recorded Investment Total Still Accruing FinancingReceivableRecordedInvestmentTotalStillAccruing	502389000	usd
CY2022Q4	us-gaap	Financing Receivable Recorded Investment Nonaccrual Status FinancingReceivableRecordedInvestmentNonaccrualStatus	2731000	usd
CY2022Q4	us-gaap	Loans And Leases Receivable Gross Carrying Amount LoansAndLeasesReceivableGrossCarryingAmount	505120000	usd
CY2021Q4	aubn	Financing Receivable Recorded Investment Total Still Accruing FinancingReceivableRecordedInvestmentTotalStillAccruing	458679000	usd
CY2021Q4	us-gaap	Financing Receivable Recorded Investment Nonaccrual Status FinancingReceivableRecordedInvestmentNonaccrualStatus	444000	usd
CY2021Q4	us-gaap	Loans And Leases Receivable Gross Carrying Amount LoansAndLeasesReceivableGrossCarryingAmount	459123000	usd
CY2022	us-gaap	Loans And Leases Receivable Impaired Interest Lost On Nonaccrual Loans LoansAndLeasesReceivableImpairedInterestLostOnNonaccrualLoans	26000	usd
CY2021	us-gaap	Loans And Leases Receivable Impaired Interest Lost On Nonaccrual Loans LoansAndLeasesReceivableImpairedInterestLostOnNonaccrualLoans	27000	usd
CY2020Q4	us-gaap	Financing Receivable Allowance For Credit Losses FinancingReceivableAllowanceForCreditLosses	5618000	usd
CY2021	us-gaap	Financing Receivable Allowance For Credit Losses Write Offs FinancingReceivableAllowanceForCreditLossesWriteOffs	294000	usd
CY2021	us-gaap	Financing Receivable Allowance For Credit Losses Recovery FinancingReceivableAllowanceForCreditLossesRecovery	215000	usd
CY2021	aubn	Financing Receivable Allowance For Credit Losses Net Chargeoffs Recoveries FinancingReceivableAllowanceForCreditLossesNetChargeoffsRecoveries	-79000	usd
CY2021Q4	us-gaap	Financing Receivable Allowance For Credit Losses FinancingReceivableAllowanceForCreditLosses	4939000	usd
CY2022	us-gaap	Financing Receivable Allowance For Credit Losses Write Offs FinancingReceivableAllowanceForCreditLossesWriteOffs	292000	usd
CY2022	us-gaap	Financing Receivable Allowance For Credit Losses Recovery FinancingReceivableAllowanceForCreditLossesRecovery	118000	usd
CY2022	aubn	Financing Receivable Allowance For Credit Losses Net Chargeoffs Recoveries FinancingReceivableAllowanceForCreditLossesNetChargeoffsRecoveries	-174000	usd
CY2022Q4	us-gaap	Financing Receivable Allowance For Credit Losses FinancingReceivableAllowanceForCreditLosses	5765000	usd
CY2022Q4	us-gaap	Financing Receivable Allowance For Credit Losses Collectively Evaluated For Impairment FinancingReceivableAllowanceForCreditLossesCollectivelyEvaluatedForImpairment	5260000	usd
CY2022Q4	us-gaap	Financing Receivable Collectively Evaluated For Impairment FinancingReceivableCollectivelyEvaluatedForImpairment	502561000	usd
CY2022Q4	us-gaap	Financing Receivable Allowance For Credit Losses Individually Evaluated For Impairment1 FinancingReceivableAllowanceForCreditLossesIndividuallyEvaluatedForImpairment1	505000	usd
CY2022Q4	us-gaap	Financing Receivable Individually Evaluated For Impairment FinancingReceivableIndividuallyEvaluatedForImpairment	2559000	usd
CY2022Q4	us-gaap	Loans And Leases Receivable Allowance LoansAndLeasesReceivableAllowance	5765000	usd
CY2022Q4	us-gaap	Loans And Leases Receivable Gross Carrying Amount LoansAndLeasesReceivableGrossCarryingAmount	505120000	usd
CY2021Q4	us-gaap	Financing Receivable Allowance For Credit Losses Collectively Evaluated For Impairment FinancingReceivableAllowanceForCreditLossesCollectivelyEvaluatedForImpairment	4939000	usd
CY2021Q4	us-gaap	Financing Receivable Collectively Evaluated For Impairment FinancingReceivableCollectivelyEvaluatedForImpairment	458874000	usd
CY2021Q4	us-gaap	Financing Receivable Allowance For Credit Losses Individually Evaluated For Impairment1 FinancingReceivableAllowanceForCreditLossesIndividuallyEvaluatedForImpairment1	0	usd
CY2021Q4	us-gaap	Financing Receivable Individually Evaluated For Impairment FinancingReceivableIndividuallyEvaluatedForImpairment	249000	usd
CY2021Q4	us-gaap	Loans And Leases Receivable Allowance LoansAndLeasesReceivableAllowance	4939000	usd
CY2021Q4	us-gaap	Loans And Leases Receivable Gross Carrying Amount LoansAndLeasesReceivableGrossCarryingAmount	459123000	usd
CY2022Q4	us-gaap	Financing Receivable Recorded Investment Nonaccrual Status FinancingReceivableRecordedInvestmentNonaccrualStatus	2731000	usd
CY2022Q4	us-gaap	Loans And Leases Receivable Gross Carrying Amount LoansAndLeasesReceivableGrossCarryingAmount	505120000	usd
CY2021Q4	us-gaap	Financing Receivable Recorded Investment Nonaccrual Status FinancingReceivableRecordedInvestmentNonaccrualStatus	444000	usd
CY2021Q4	us-gaap	Loans And Leases Receivable Gross Carrying Amount LoansAndLeasesReceivableGrossCarryingAmount	459123000	usd
CY2022Q4	us-gaap	Impaired Financing Receivable Unpaid Principal Balance ImpairedFinancingReceivableUnpaidPrincipalBalance	2563000	usd
CY2022Q4	aubn	Impaired Financing Receivable Charge Off And Payments Applied ImpairedFinancingReceivableChargeOffAndPaymentsApplied	-4000	usd
CY2022Q4	us-gaap	Impaired Financing Receivable Recorded Investment ImpairedFinancingReceivableRecordedInvestment	2559000	usd
CY2022Q4	us-gaap	Impaired Financing Receivable Related Allowance ImpairedFinancingReceivableRelatedAllowance	505000	usd
CY2021Q4	us-gaap	Impaired Financing Receivable Unpaid Principal Balance ImpairedFinancingReceivableUnpaidPrincipalBalance	273000	usd
CY2021Q4	aubn	Impaired Financing Receivable Charge Off And Payments Applied ImpairedFinancingReceivableChargeOffAndPaymentsApplied	-24000	usd
CY2021Q4	us-gaap	Impaired Financing Receivable Recorded Investment ImpairedFinancingReceivableRecordedInvestment	249000	usd
CY2022	us-gaap	Impaired Financing Receivable Average Recorded Investment ImpairedFinancingReceivableAverageRecordedInvestment	355000	usd
CY2022	us-gaap	Impaired Financing Receivable Interest Income Accrual Method ImpairedFinancingReceivableInterestIncomeAccrualMethod	0	usd
CY2021	us-gaap	Impaired Financing Receivable Average Recorded Investment ImpairedFinancingReceivableAverageRecordedInvestment	295000	usd
CY2021	us-gaap	Impaired Financing Receivable Interest Income Accrual Method ImpairedFinancingReceivableInterestIncomeAccrualMethod	0	usd
CY2021	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	9445000	usd
CY2022	us-gaap	Income Tax Reconciliation Income Tax Expense Benefit At Federal Statutory Income Tax Rate IncomeTaxReconciliationIncomeTaxExpenseBenefitAtFederalStatutoryIncomeTaxRate	2698000	usd
CY2022	us-gaap	Effective Income Tax Rate Reconciliation At Federal Statutory Income Tax Rate EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate	0.210	pure
CY2021Q4	aubn	Impaired Financing Receivable Troubled Debt Restructuring Still Accruing ImpairedFinancingReceivableTroubledDebtRestructuringStillAccruing	0	usd
CY2021Q4	aubn	Impaired Financing Receivable Troubled Debt Restructuring Nonaccrual ImpairedFinancingReceivableTroubledDebtRestructuringNonaccrual	249000	usd
CY2021Q4	aubn	Impaired Financing Receivable Trouble Debt Structuring ImpairedFinancingReceivableTroubleDebtStructuring	249000	usd
CY2021Q4	aubn	Impaired Financing Receivable Troubled Debt Restructuring Allowance For Credit Losses ImpairedFinancingReceivableTroubledDebtRestructuringAllowanceForCreditLosses	0	usd
CY2022Q4	us-gaap	Land Land	12788000	usd
CY2021Q4	us-gaap	Land Land	9830000	usd
CY2022Q4	us-gaap	Buildings And Improvements Gross BuildingsAndImprovementsGross	35241000	usd
CY2021Q4	us-gaap	Buildings And Improvements Gross BuildingsAndImprovementsGross	16124000	usd
CY2022Q4	aubn	Furniture Fixtures And Equipment Gross FurnitureFixturesAndEquipmentGross	3861000	usd
CY2021Q4	aubn	Furniture Fixtures And Equipment Gross FurnitureFixturesAndEquipmentGross	3096000	usd
CY2022Q4	us-gaap	Construction In Progress Gross ConstructionInProgressGross	39000	usd
CY2021Q4	us-gaap	Construction In Progress Gross ConstructionInProgressGross	19277000	usd
CY2022Q4	us-gaap	Property Plant And Equipment Gross PropertyPlantAndEquipmentGross	51929000	usd
CY2021Q4	us-gaap	Property Plant And Equipment Gross PropertyPlantAndEquipmentGross	48327000	usd
CY2022Q4	us-gaap	Accumulated Depreciation Depletion And Amortization Property Plant And Equipment AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment	5354000	usd
CY2021Q4	us-gaap	Accumulated Depreciation Depletion And Amortization Property Plant And Equipment AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment	6603000	usd
CY2022Q4	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	46575000	usd
CY2021Q4	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	41724000	usd
CY2022	us-gaap	Depreciation Depreciation	1200000	usd
CY2021	us-gaap	Depreciation Depreciation	600000	usd
CY2021	us-gaap	Income Tax Reconciliation Income Tax Expense Benefit At Federal Statutory Income Tax Rate IncomeTaxReconciliationIncomeTaxExpenseBenefitAtFederalStatutoryIncomeTaxRate	1983000	usd
CY2021	us-gaap	Effective Income Tax Rate Reconciliation At Federal Statutory Income Tax Rate EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate	0.210	pure
CY2022	us-gaap	Income Tax Reconciliation Tax Exempt Income IncomeTaxReconciliationTaxExemptIncome	523000	usd
CY2022	us-gaap	Effective Income Tax Rate Reconciliation Tax Exempt Income EffectiveIncomeTaxRateReconciliationTaxExemptIncome	0.041	pure
CY2021	us-gaap	Income Tax Reconciliation Tax Exempt Income IncomeTaxReconciliationTaxExemptIncome	514000	usd
CY2021Q4	us-gaap	Servicing Asset At Amortized Value ServicingAssetAtAmortizedValue	1309000	usd
CY2020Q4	us-gaap	Servicing Asset At Amortized Value ServicingAssetAtAmortizedValue	1330000	usd
CY2022	aubn	Servicing Asset At Amortized Value Amortization2 ServicingAssetAtAmortizedValueAmortization2	269000	usd
CY2021	aubn	Servicing Asset At Amortized Value Amortization2 ServicingAssetAtAmortizedValueAmortization2	516000	usd
CY2022Q4	us-gaap	Servicing Asset At Amortized Value ServicingAssetAtAmortizedValue	1151000	usd
CY2021Q4	us-gaap	Valuation Allowance For Impairment Of Recognized Servicing Assets Balance ValuationAllowanceForImpairmentOfRecognizedServicingAssetsBalance	0	usd
CY2020Q4	us-gaap	Valuation Allowance For Impairment Of Recognized Servicing Assets Balance ValuationAllowanceForImpairmentOfRecognizedServicingAssetsBalance	0	usd
CY2022Q4	us-gaap	Valuation Allowance For Impairment Of Recognized Servicing Assets Balance ValuationAllowanceForImpairmentOfRecognizedServicingAssetsBalance	0	usd
CY2021Q4	us-gaap	Servicing Asset At Amortized Value Fair Value ServicingAssetAtAmortizedValueFairValue	1908000	usd
CY2020Q4	us-gaap	Servicing Asset At Amortized Value Fair Value ServicingAssetAtAmortizedValueFairValue	1489000	usd
CY2022Q4	us-gaap	Servicing Asset At Amortized Value Fair Value ServicingAssetAtAmortizedValueFairValue	2369000	usd
CY2022Q4	aubn	Servicing Assets And Servicing Liabilities At Fair Value Assumptions Used To Estimate Fair Value Unpaid Principal Balance ServicingAssetsAndServicingLiabilitiesAtFairValueAssumptionsUsedToEstimateFairValueUnpaidPrincipalBalance	234349000	usd
CY2021Q4	aubn	Servicing Assets And Servicing Liabilities At Fair Value Assumptions Used To Estimate Fair Value Unpaid Principal Balance ServicingAssetsAndServicingLiabilitiesAtFairValueAssumptionsUsedToEstimateFairValueUnpaidPrincipalBalance	255310000	usd
CY2022	us-gaap	Servicing Assets And Servicing Liabilities At Fair Value Assumptions Used To Estimate Fair Value Prepayment Speed ServicingAssetsAndServicingLiabilitiesAtFairValueAssumptionsUsedToEstimateFairValuePrepaymentSpeed	0.076	pure
CY2021	us-gaap	Servicing Assets And Servicing Liabilities At Fair Value Assumptions Used To Estimate Fair Value Prepayment Speed ServicingAssetsAndServicingLiabilitiesAtFairValueAssumptionsUsedToEstimateFairValuePrepaymentSpeed	0.133	pure
CY2022	us-gaap	Servicing Assets And Servicing Liabilities At Fair Value Assumptions Used To Estimate Fair Value Discount Rate ServicingAssetsAndServicingLiabilitiesAtFairValueAssumptionsUsedToEstimateFairValueDiscountRate	0.095	pure
CY2021	us-gaap	Servicing Assets And Servicing Liabilities At Fair Value Assumptions Used To Estimate Fair Value Discount Rate ServicingAssetsAndServicingLiabilitiesAtFairValueAssumptionsUsedToEstimateFairValueDiscountRate	0.095	pure
CY2022	aubn	Servicing Assets And Servicing Liabilities At Fair Value Assumptions Used To Estimate Fair Value Weighted Average Coupon Interest Rate ServicingAssetsAndServicingLiabilitiesAtFairValueAssumptionsUsedToEstimateFairValueWeightedAverageCouponInterestRate	0.034	pure
CY2021	aubn	Servicing Assets And Servicing Liabilities At Fair Value Assumptions Used To Estimate Fair Value Weighted Average Coupon Interest Rate ServicingAssetsAndServicingLiabilitiesAtFairValueAssumptionsUsedToEstimateFairValueWeightedAverageCouponInterestRate	0.034	pure
CY2022	us-gaap	Servicing Assets And Servicing Liabilities At Fair Value Assumptions Used To Estimate Fair Value Weighted Average Life1 ServicingAssetsAndServicingLiabilitiesAtFairValueAssumptionsUsedToEstimateFairValueWeightedAverageLife1	P256M
CY2021	us-gaap	Servicing Assets And Servicing Liabilities At Fair Value Assumptions Used To Estimate Fair Value Weighted Average Life1 ServicingAssetsAndServicingLiabilitiesAtFairValueAssumptionsUsedToEstimateFairValueWeightedAverageLife1	P260M
CY2021	aubn	Servicing Assets And Servicing Liabilities At Fair Value Assumptions Used To Estimate Fair Value Weighted Average Servicing Fee ServicingAssetsAndServicingLiabilitiesAtFairValueAssumptionsUsedToEstimateFairValueWeightedAverageServicingFee	25.0	pure
CY2022	aubn	Servicing Assets And Servicing Liabilities At Fair Value Assumptions Used To Estimate Fair Value Weighted Average Servicing Fee ServicingAssetsAndServicingLiabilitiesAtFairValueAssumptionsUsedToEstimateFairValueWeightedAverageServicingFee	25.0	pure
CY2022Q4	aubn	Weighted Average Amortization In Years WeightedAverageAmortizationInYears	6.8	pure
CY2022Q4	us-gaap	Finite Lived Intangible Assets Amortization Expense Next Twelve Months FiniteLivedIntangibleAssetsAmortizationExpenseNextTwelveMonths	163000	usd
CY2022Q4	us-gaap	Finite Lived Intangible Assets Amortization Expense Year Two FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo	142000	usd
CY2022Q4	us-gaap	Finite Lived Intangible Assets Amortization Expense Year Three FiniteLivedIntangibleAssetsAmortizationExpenseYearThree	124000	usd
CY2022Q4	us-gaap	Finite Lived Intangible Assets Amortization Expense Year Four FiniteLivedIntangibleAssetsAmortizationExpenseYearFour	107000	usd
CY2022Q4	us-gaap	Finite Lived Intangible Assets Amortization Expense Year Five FiniteLivedIntangibleAssetsAmortizationExpenseYearFive	93000	usd
CY2021	us-gaap	Effective Income Tax Rate Reconciliation Tax Exempt Income EffectiveIncomeTaxRateReconciliationTaxExemptIncome	0.054	pure
CY2022	us-gaap	Income Tax Reconciliation State And Local Income Taxes IncomeTaxReconciliationStateAndLocalIncomeTaxes	346000	usd
CY2022	us-gaap	Effective Income Tax Rate Reconciliation State And Local Income Taxes EffectiveIncomeTaxRateReconciliationStateAndLocalIncomeTaxes	0.027	pure
CY2022Q4	aubn	Time Deposit Maturities Next Twelve Months TimeDepositMaturitiesNextTwelveMonths	94561000	usd
CY2022Q4	us-gaap	Time Deposit Maturities Year Two TimeDepositMaturitiesYearTwo	29603000	usd
CY2022Q4	us-gaap	Time Deposit Maturities Year Three TimeDepositMaturitiesYearThree	8663000	usd
CY2022Q4	us-gaap	Time Deposit Maturities Year Four TimeDepositMaturitiesYearFour	3836000	usd
CY2022Q4	us-gaap	Time Deposit Maturities Year Five TimeDepositMaturitiesYearFive	13521000	usd
CY2022Q4	us-gaap	Time Deposit Maturities After Year Five TimeDepositMaturitiesAfterYearFive	191000	usd
CY2022Q4	us-gaap	Time Deposits TimeDeposits	150375000	usd
CY2022Q4	aubn	Time Deposits250000 Or More TimeDeposits250000OrMore	57400000	usd
CY2021Q4	aubn	Time Deposits250000 Or More TimeDeposits250000OrMore	58000000.0	usd
CY2022	us-gaap	Short Term Lease Cost ShortTermLeaseCost	200000	usd
CY2022Q4	us-gaap	Operating Lease Right Of Use Asset OperatingLeaseRightOfUseAsset	588000	usd
CY2021Q4	us-gaap	Operating Lease Right Of Use Asset OperatingLeaseRightOfUseAsset	687000	usd
CY2022Q4	us-gaap	Operating Lease Liability OperatingLeaseLiability	611000	usd
CY2021Q4	us-gaap	Operating Lease Liability OperatingLeaseLiability	710000	usd
CY2022	aubn	Rent Expense Excluded From Right Of Use Asset RentExpenseExcludedFromRightOfUseAsset	100000	usd
CY2022	aubn	Rent Expense Included In Lease Liablilty RentExpenseIncludedInLeaseLiablilty	120000	usd
CY2022Q4	us-gaap	Lessee Operating Lease Liability Payments Due Next Twelve Months LesseeOperatingLeaseLiabilityPaymentsDueNextTwelveMonths	123000	usd
CY2022Q4	us-gaap	Lessee Operating Lease Liability Payments Due Year Two LesseeOperatingLeaseLiabilityPaymentsDueYearTwo	123000	usd
CY2022Q4	us-gaap	Lessee Operating Lease Liability Payments Due Year Three LesseeOperatingLeaseLiabilityPaymentsDueYearThree	114000	usd
CY2022Q4	us-gaap	Lessee Operating Lease Liability Payments Due Year Four LesseeOperatingLeaseLiabilityPaymentsDueYearFour	96000	usd
CY2022Q4	us-gaap	Lessee Operating Lease Liability Payments Due Year Five LesseeOperatingLeaseLiabilityPaymentsDueYearFive	96000	usd
CY2022Q4	us-gaap	Lessee Operating Lease Liability Payments Due After Year Five LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFive	122000	usd
CY2022Q4	us-gaap	Lessee Operating Lease Liability Payments Due LesseeOperatingLeaseLiabilityPaymentsDue	674000	usd
CY2022Q4	us-gaap	Lessee Operating Lease Liability Undiscounted Excess Amount LesseeOperatingLeaseLiabilityUndiscountedExcessAmount	63000	usd
CY2022Q4	us-gaap	Operating Lease Weighted Average Remaining Lease Term1 OperatingLeaseWeightedAverageRemainingLeaseTerm1	P5Y10M20D
CY2022Q4	us-gaap	Operating Lease Weighted Average Discount Rate Percent OperatingLeaseWeightedAverageDiscountRatePercent	0.0312	pure
CY2021	us-gaap	Income Tax Reconciliation State And Local Income Taxes IncomeTaxReconciliationStateAndLocalIncomeTaxes	352000	usd
CY2021	us-gaap	Effective Income Tax Rate Reconciliation State And Local Income Taxes EffectiveIncomeTaxRateReconciliationStateAndLocalIncomeTaxes	0.037	pure
CY2022	us-gaap	Income Tax Reconciliation Tax Credits IncomeTaxReconciliationTaxCredits	356000	usd
CY2022	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	686000	usd
CY2021	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	278000	usd
CY2022	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	2503000	usd
CY2021	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	1406000	usd
CY2022	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	12849000	usd
CY2022	us-gaap	Effective Income Tax Rate Reconciliation Tax Credits Investment EffectiveIncomeTaxRateReconciliationTaxCreditsInvestment	0.028	pure
CY2021	us-gaap	Income Tax Reconciliation Tax Credits IncomeTaxReconciliationTaxCredits	356000	usd
CY2021	us-gaap	Effective Income Tax Rate Reconciliation Tax Credits Investment EffectiveIncomeTaxRateReconciliationTaxCreditsInvestment	0.038	pure
CY2022	aubn	Income Tax Reconciliation Bank Owned Life Insurance IncomeTaxReconciliationBankOwnedLifeInsurance	-141000	usd
CY2022	aubn	Effective Income Tax Rate Reconciliation Bank Owned Life Insurance EffectiveIncomeTaxRateReconciliationBankOwnedLifeInsurance	0.011	pure
CY2021	aubn	Income Tax Reconciliation Bank Owned Life Insurance IncomeTaxReconciliationBankOwnedLifeInsurance	85000	usd
CY2021	aubn	Effective Income Tax Rate Reconciliation Bank Owned Life Insurance EffectiveIncomeTaxRateReconciliationBankOwnedLifeInsurance	0.009	pure
CY2022	us-gaap	Income Tax Reconciliation Other Adjustments IncomeTaxReconciliationOtherAdjustments	197000	usd
CY2022	us-gaap	Effective Income Tax Rate Reconciliation Other Adjustments EffectiveIncomeTaxRateReconciliationOtherAdjustments	0.016	pure
CY2021	us-gaap	Income Tax Reconciliation Other Adjustments IncomeTaxReconciliationOtherAdjustments	26000	usd
CY2022	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	2503000	usd
CY2022	us-gaap	Effective Income Tax Rate Continuing Operations EffectiveIncomeTaxRateContinuingOperations	0.195	pure
CY2021	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	1406000	usd
CY2021	us-gaap	Effective Income Tax Rate Continuing Operations EffectiveIncomeTaxRateContinuingOperations	0.149	pure
CY2022Q4	aubn	Deferred Tax Asset Allowance For Loan Loss DeferredTaxAssetAllowanceForLoanLoss	1448000	usd
CY2021Q4	aubn	Deferred Tax Asset Allowance For Loan Loss DeferredTaxAssetAllowanceForLoanLoss	1240000	usd
CY2022Q4	us-gaap	Deferred Tax Assets Unrealized Losses On Availablefor Sale Securities Gross DeferredTaxAssetsUnrealizedLossesOnAvailableforSaleSecuritiesGross	13722000	usd
CY2022Q4	aubn	Deferred Tax Asset Bonus DeferredTaxAssetBonus	228000	usd
CY2021Q4	aubn	Deferred Tax Asset Bonus DeferredTaxAssetBonus	192000	usd
CY2022Q4	aubn	Deferred Tax Asset Right Of Use Liability DeferredTaxAssetRightOfUseLiability	153000	usd
CY2021Q4	aubn	Deferred Tax Asset Right Of Use Liability DeferredTaxAssetRightOfUseLiability	178000	usd
CY2022Q4	us-gaap	Deferred Tax Assets Other DeferredTaxAssetsOther	70000	usd
CY2021Q4	us-gaap	Deferred Tax Assets Other DeferredTaxAssetsOther	77000	usd
CY2022Q4	us-gaap	Deferred Tax Assets Gross DeferredTaxAssetsGross	15621000	usd
CY2021Q4	us-gaap	Deferred Tax Assets Gross DeferredTaxAssetsGross	1687000	usd
CY2022Q4	us-gaap	Deferred Tax Liabilities Property Plant And Equipment DeferredTaxLiabilitiesPropertyPlantAndEquipment	767000	usd
CY2021Q4	us-gaap	Deferred Tax Liabilities Property Plant And Equipment DeferredTaxLiabilitiesPropertyPlantAndEquipment	200000	usd
CY2022Q4	aubn	Deferred Tax Liabilities Unrealized Gains On Available For Sale Securities Gross DeferredTaxLiabilitiesUnrealizedGainsOnAvailableForSaleSecuritiesGross	0	usd
CY2021Q4	aubn	Deferred Tax Liabilities Unrealized Gains On Available For Sale Securities Gross DeferredTaxLiabilitiesUnrealizedGainsOnAvailableForSaleSecuritiesGross	298000	usd
CY2022Q4	aubn	Deferred Tax Liabilities Originated Mortgage Servicing Rights DeferredTaxLiabilitiesOriginatedMortgageServicingRights	289000	usd
CY2021Q4	aubn	Deferred Tax Liabilities Originated Mortgage Servicing Rights DeferredTaxLiabilitiesOriginatedMortgageServicingRights	329000	usd
CY2022Q4	aubn	Deferred Tax Liabilities Right Of Use Asset DeferredTaxLiabilitiesRightOfUseAsset	148000	usd
CY2021Q4	aubn	Deferred Tax Liabilities Right Of Use Asset DeferredTaxLiabilitiesRightOfUseAsset	173000	usd
CY2022Q4	aubn	Deferred Tax Liabilities New Market Tax Credit DeferredTaxLiabilitiesNewMarketTaxCredit	179000	usd
CY2021Q4	aubn	Deferred Tax Liabilities New Market Tax Credit DeferredTaxLiabilitiesNewMarketTaxCredit	89000	usd
CY2022Q4	us-gaap	Deferred Tax Liabilities Other DeferredTaxLiabilitiesOther	469000	usd
CY2021Q4	us-gaap	Deferred Tax Liabilities Other DeferredTaxLiabilitiesOther	163000	usd
CY2022Q4	us-gaap	Deferred Income Tax Liabilities DeferredIncomeTaxLiabilities	1852000	usd
CY2021Q4	us-gaap	Deferred Income Tax Liabilities DeferredIncomeTaxLiabilities	1252000	usd
CY2022Q4	aubn	Deferred Tax Assets Liabilities Net1 DeferredTaxAssetsLiabilitiesNet1	13769000	usd
CY2021Q4	aubn	Deferred Tax Assets Liabilities Net1 DeferredTaxAssetsLiabilitiesNet1	435000	usd
CY2020Q4	aubn	Deferred Tax Assets Liabilities Net1 DeferredTaxAssetsLiabilitiesNet1	-1537000	usd
CY2022Q4	aubn	Deferred Tax Assets Liabilities Net1 DeferredTaxAssetsLiabilitiesNet1	13769000	usd
CY2021Q4	aubn	Deferred Tax Assets Liabilities Net1 DeferredTaxAssetsLiabilitiesNet1	435000	usd
CY2022	us-gaap	Pension Expense PensionExpense	300	usd
CY2022Q4	aubn	Reserve For Unfunded Commitments ReserveForUnfundedCommitments	200000	usd
CY2022Q4	aubn	Liability Recorded For Standy Letters Of Credit LiabilityRecordedForStandyLettersOfCredit	16000	usd
CY2021Q4	aubn	Liability Recorded For Standy Letters Of Credit LiabilityRecordedForStandyLettersOfCredit	23000	usd
CY2021Q4	us-gaap	Loans And Leases Receivable Related Parties LoansAndLeasesReceivableRelatedParties	1564000	usd
CY2022Q4	us-gaap	Loans And Leases Receivable Related Parties LoansAndLeasesReceivableRelatedParties	1646000	usd
CY2022Q4	us-gaap	Related Party Deposit Liabilities RelatedPartyDepositLiabilities	22800000	usd
CY2021Q4	us-gaap	Related Party Deposit Liabilities RelatedPartyDepositLiabilities	19300000	usd
CY2022Q4	aubn	Regulatory Capital Dividends Without Approval Of Regulators RegulatoryCapitalDividendsWithoutApprovalOfRegulators	13900000	usd
CY2022Q4	aubn	Regulatory Capital Restricted Investment From Dividends RegulatoryCapitalRestrictedInvestmentFromDividends	54100000	usd

Files In Submission

Name	View Source	Status
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0001193125-23-074092-index.html	Edgar Link	pending
0001193125-23-074092.txt	Edgar Link	pending
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d416225dex41.htm	Edgar Link	pending
Financial_Report.xlsx	Edgar Link	pending
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$AUBN
AUBURN NATIONAL BANCORPORATION, INC Stock $aubn

2023 Q1 Form 10-K Financial Statement

#000119312523074092 Filed on March 17, 2023

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$AUBN AUBURN NATIONAL BANCORPORATION, INC Stock $aubn

2023 Q1 Form 10-K Financial Statement

#000119312523074092 Filed on March 17, 2023

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$AUBN
AUBURN NATIONAL BANCORPORATION, INC Stock $aubn