$AUBN
AUBURN NATIONAL BANCORPORATION, INC Stock $aubn

$aubn Overview Financials Valuation SEC Filings Company Website

2021 Q1 Form 10-K Financial Statement

#000119312521074880 Filed on March 09, 2021

Income Statement

Concept	2021 Q1	2020	2019 Q4
Revenue	$6.607M	$28.19M
YoY Change	-8.93%	-6.79%
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	$300.0K	$905.0K	$450.0K
YoY Change	-34.78%	36.71%	95.65%
% of Gross Profit
Operating Expenses
YoY Change
Operating Profit
YoY Change
Interest Expense	$670.0K	$3.856M
YoY Change	-35.76%	-7.82%
% of Operating Profit
Other Income/Expense, Net
YoY Change
Pretax Income	$2.429M	$9.059M	$3.360M
YoY Change	10.86%	-25.2%	12.37%
Income Tax	$423.0K	$1.605M	$670.0K
% Of Pretax Income	17.41%	17.72%	19.94%
Net Earnings	$2.006M	$7.454M	$2.680M
YoY Change	11.38%	-23.48%	11.67%
Net Earnings / Revenue	30.36%	26.44%
Basic Earnings Per Share
Diluted Earnings Per Share	$563.0K	$2.087M	$750.7K
COMMON SHARES
Basic Shares Outstanding	3.566M shares		3.566M shares
Diluted Shares Outstanding

Balance Sheet

Concept	2021 Q1	2020	2019 Q4
SHORT-TERM ASSETS
Cash & Short-Term Investments
YoY Change
Cash & Equivalents	$121.6M
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	$27.65M	$23.00M	$14.74M
YoY Change	90.7%	48.39%	8.44%
Goodwill
YoY Change
Intangibles
YoY Change
Long-Term Investments
YoY Change
Other Assets		-$1.500M
YoY Change
Total Long-Term Assets
YoY Change
TOTAL ASSETS
Total Short-Term Assets
Total Long-Term Assets
Total Assets	$993.3M	$956.6M	$827.9M
YoY Change	15.97%	15.55%	1.2%
SHORT-TERM LIABILITIES
YoY Change
Accounts Payable
YoY Change
Accrued Expenses	$5.700M	$6.700M	$4.300M
YoY Change	18.75%	55.81%	72.0%
Deferred Revenue
YoY Change
Short-Term Debt	$3.300M	$2.400M	$1.100M
YoY Change	135.71%	118.18%	-52.17%
Long-Term Debt Due
YoY Change
Total Short-Term Liabilities	$5.700M	$6.700M	$4.300M
YoY Change	18.75%	55.81%	72.0%
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	$5.700M	$6.700M	$4.300M
Total Long-Term Liabilities	$0.00	$0.00	$0.00
Total Liabilities	$889.6M	$848.9M	$729.6M
YoY Change	18.16%	16.35%	0.07%
SHAREHOLDERS EQUITY
Retained Earnings	$106.7M		$101.8M
YoY Change			6.45%
Common Stock	$3.830M		$3.823M
YoY Change			0.13%
Preferred Stock
YoY Change
Treasury Stock (at cost)	$9.354M		$9.355M
YoY Change			40.99%
Treasury Stock Shares	390.8K shares		391.0K shares
Shareholders Equity	$103.6M	$107.7M	$98.30M
YoY Change
Total Liabilities & Shareholders Equity	$993.3M	$956.6M	$827.9M
YoY Change	15.97%	15.55%	1.2%

Cashflow Statement

Concept	2021 Q1	2020	2019 Q4
OPERATING ACTIVITIES
Net Income	$2.006M	$7.454M	$2.680M
YoY Change	11.38%	-23.48%	11.67%
Depreciation, Depletion And Amortization	$300.0K	$905.0K	$450.0K
YoY Change	-34.78%	36.71%	95.65%
Cash From Operating Activities	$5.864M	$9.728M	$2.340M
YoY Change	223.98%	-10.34%	-45.83%
INVESTING ACTIVITIES
Capital Expenditures	-$5.580M	-$8.360M	-$210.0K
YoY Change	5480.0%	361.88%	200.0%
Acquisitions
YoY Change
Other Investing Activities	-$32.11M	-$94.57M	$18.37M
YoY Change	49.56%	-465.28%	-270.72%
Cash From Investing Activities	-$37.69M	-$102.9M	$18.17M
YoY Change	74.68%	-527.32%	-267.77%
FINANCING ACTIVITIES
Cash Dividend Paid
YoY Change
Common Stock Issuance & Retirement, Net	$0.00	$0.00
YoY Change		-100.0%
Debt Paid & Issued, Net
YoY Change
Cash From Financing Activities	$40.82M	$113.3M	280.0K
YoY Change	85.29%	-1597.42%	-93.67%
NET CHANGE
Cash From Operating Activities	$5.864M	$9.728M	2.340M
Cash From Investing Activities	-$37.69M	-$102.9M	18.17M
Cash From Financing Activities	$40.82M	$113.3M	280.0K
Net Change In Cash	$8.992M	$20.13M	20.79M
YoY Change	297.35%	-26.44%	-1094.74%
FREE CASH FLOW
Cash From Operating Activities	$5.864M	$9.728M	$2.340M
Capital Expenditures	-$5.580M	-$8.360M	-$210.0K
Free Cash Flow	$11.44M	$18.09M	$2.550M
YoY Change	499.16%	42.88%	-41.91%

Facts In Submission

Frame	Concept Type	Concept / XBRL Key	Value	Unit
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CY2020	dei	Entity Emerging Growth Company EntityEmergingGrowthCompany	false
CY2020	dei	Document Fiscal Year Focus DocumentFiscalYearFocus	2020
CY2020	dei	Document Fiscal Period Focus DocumentFiscalPeriodFocus	FY
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CY2019Q4	us-gaap	Preferred Stock Shares Issued PreferredStockSharesIssued	0	shares
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CY2020	dei	Entity Central Index Key EntityCentralIndexKey	0000750574
CY2020	dei	Current Fiscal Year End Date CurrentFiscalYearEndDate	--12-31
CY2020	dei	Amendment Flag AmendmentFlag	false
CY2020	dei	Document Annual Report DocumentAnnualReport	true
CY2020	dei	Document Transition Report DocumentTransitionReport	false
CY2020	dei	Icfr Auditor Attestation Flag IcfrAuditorAttestationFlag	false
CY2020	dei	Entity Shell Company EntityShellCompany	false
CY2020	dei	Document Type DocumentType	10-K
CY2020	dei	Document Period End Date DocumentPeriodEndDate	2020-12-31
CY2020	dei	Entity File Number EntityFileNumber	0-26486
CY2020	dei	Entity Registrant Name EntityRegistrantName	Auburn National Bancorporation, Inc.
CY2020	dei	Entity Incorporation State Country Code EntityIncorporationStateCountryCode	DE
CY2020	dei	Entity Tax Identification Number EntityTaxIdentificationNumber	63-0885779
CY2020	dei	Entity Address Address Line1 EntityAddressAddressLine1	132 N. Gay Street
CY2020	dei	Entity Address City Or Town EntityAddressCityOrTown	Auburn,
CY2020	dei	Entity Address State Or Province EntityAddressStateOrProvince	AL
CY2020	dei	Entity Address Postal Zip Code EntityAddressPostalZipCode	36830
CY2020	dei	City Area Code CityAreaCode	334
CY2020	dei	Local Phone Number LocalPhoneNumber	821-9200
CY2020	dei	Security12b Title Security12bTitle	Common Stock
CY2020	dei	Trading Symbol TradingSymbol	AUBN
CY2020	dei	Security Exchange Name SecurityExchangeName	NASDAQ
CY2020	dei	Entity Well Known Seasoned Issuer EntityWellKnownSeasonedIssuer	No
CY2020	dei	Entity Voluntary Filers EntityVoluntaryFilers	No
CY2020	dei	Entity Current Reporting Status EntityCurrentReportingStatus	Yes
CY2020	dei	Entity Interactive Data Current EntityInteractiveDataCurrent	Yes
CY2020	dei	Entity Filer Category EntityFilerCategory	Non-accelerated Filer
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CY2019	aubn	Net Loss Gain On Other Real Estate NetLossGainOnOtherRealEstate	59000	USD
CY2020	us-gaap	Payments For Origination Of Mortgage Loans Held For Sale PaymentsForOriginationOfMortgageLoansHeldForSale	82726000	USD
CY2019	us-gaap	Payments For Origination Of Mortgage Loans Held For Sale PaymentsForOriginationOfMortgageLoansHeldForSale	30407000	USD
CY2020	us-gaap	Proceeds From Sale Of Mortgage Loans Held For Sale ProceedsFromSaleOfMortgageLoansHeldForSale	83138000	USD
CY2019	us-gaap	Proceeds From Sale Of Mortgage Loans Held For Sale ProceedsFromSaleOfMortgageLoansHeldForSale	28892000	USD
CY2020	us-gaap	Life Insurance Corporate Or Bank Owned Change In Value LifeInsuranceCorporateOrBankOwnedChangeInValue	442000	USD
CY2019	us-gaap	Life Insurance Corporate Or Bank Owned Change In Value LifeInsuranceCorporateOrBankOwnedChangeInValue	437000	USD
CY2020	aubn	Income Recognized From Death Benefit Of Life Insurance IncomeRecognizedFromDeathBenefitOfLifeInsurance	282000	USD
CY2019	aubn	Income Recognized From Death Benefit Of Life Insurance IncomeRecognizedFromDeathBenefitOfLifeInsurance	0	USD
CY2020	us-gaap	Increase Decrease In Other Operating Assets IncreaseDecreaseInOtherOperatingAssets	2656000	USD
CY2019	us-gaap	Increase Decrease In Other Operating Assets IncreaseDecreaseInOtherOperatingAssets	872000	USD
CY2020	us-gaap	Increase Decrease In Operating Liabilities IncreaseDecreaseInOperatingLiabilities	2399000	USD
CY2019	us-gaap	Increase Decrease In Operating Liabilities IncreaseDecreaseInOperatingLiabilities	1807000	USD
CY2020	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	9728000	USD
CY2019	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	10850000	USD
CY2020	us-gaap	Proceeds From Sale Of Available For Sale Securities ProceedsFromSaleOfAvailableForSaleSecurities	21029000	USD
CY2019	us-gaap	Proceeds From Sale Of Available For Sale Securities ProceedsFromSaleOfAvailableForSaleSecurities	36462000	USD
CY2020	us-gaap	Proceeds From Maturities Prepayments And Calls Of Available For Sale Securities ProceedsFromMaturitiesPrepaymentsAndCallsOfAvailableForSaleSecurities	62021000	USD
CY2019	us-gaap	Proceeds From Maturities Prepayments And Calls Of Available For Sale Securities ProceedsFromMaturitiesPrepaymentsAndCallsOfAvailableForSaleSecurities	55078000	USD
CY2019	us-gaap	Payments For Proceeds From Federal Home Loan Bank Stock PaymentsForProceedsFromFederalHomeLoanBankStock	-32000	USD
CY2020	us-gaap	Proceeds From Life Insurance Policies ProceedsFromLifeInsurancePolicies	694000	USD
CY2019	us-gaap	Net Change Interest Bearing Deposits Domestic NetChangeInterestBearingDepositsDomestic	5389000	USD
CY2020	us-gaap	Increase Decrease In Federal Funds Purchased And Securities Sold Under Agreements To Repurchase Net IncreaseDecreaseInFederalFundsPurchasedAndSecuritiesSoldUnderAgreementsToRepurchaseNet	1323000	USD
CY2020	us-gaap	Payments To Acquire Available For Sale Securities PaymentsToAcquireAvailableForSaleSecurities	177686000	USD
CY2019	us-gaap	Payments To Acquire Available For Sale Securities PaymentsToAcquireAvailableForSaleSecurities	81843000	USD
CY2020	us-gaap	Payments For Proceeds From Loans And Leases PaymentsForProceedsFromLoansAndLeases	766000	USD
CY2019	us-gaap	Payments For Proceeds From Loans And Leases PaymentsForProceedsFromLoansAndLeases	-15771000	USD
CY2020	us-gaap	Payments For Proceeds From Productive Assets PaymentsForProceedsFromProductiveAssets	8355000	USD
CY2019	us-gaap	Payments For Proceeds From Productive Assets PaymentsForProceedsFromProductiveAssets	1809000	USD
CY2020	us-gaap	Payments For Proceeds From Federal Home Loan Bank Stock PaymentsForProceedsFromFederalHomeLoanBankStock	9000	USD
CY2019	us-gaap	Proceeds From Life Insurance Policies ProceedsFromLifeInsurancePolicies	0	USD
CY2020	us-gaap	Proceeds From Sale Of Foreclosed Assets ProceedsFromSaleOfForeclosedAssets	151000	USD
CY2019	us-gaap	Proceeds From Sale Of Foreclosed Assets ProceedsFromSaleOfForeclosedAssets	394000	USD
CY2020	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-102921000	USD
CY2019	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	24085000	USD
CY2020	us-gaap	Net Change Noninterest Bearing Deposits Domestic NetChangeNoninterestBearingDepositsDomestic	49180000	USD
CY2019	us-gaap	Net Change Noninterest Bearing Deposits Domestic NetChangeNoninterestBearingDepositsDomestic	-5430000	USD
CY2020	us-gaap	Net Change Interest Bearing Deposits Domestic NetChangeInterestBearingDepositsDomestic	66460000	USD
CY2019	us-gaap	Increase Decrease In Federal Funds Purchased And Securities Sold Under Agreements To Repurchase Net IncreaseDecreaseInFederalFundsPurchasedAndSecuritiesSoldUnderAgreementsToRepurchaseNet	-1231000	USD
CY2020	us-gaap	Payments For Repurchase Of Common Stock PaymentsForRepurchaseOfCommonStock	0	USD
CY2019	us-gaap	Payments For Repurchase Of Common Stock PaymentsForRepurchaseOfCommonStock	2721000	USD
CY2020	us-gaap	Payments Of Ordinary Dividends PaymentsOfOrdinaryDividends	3638000	USD
CY2019	us-gaap	Payments Of Ordinary Dividends PaymentsOfOrdinaryDividends	3575000	USD
CY2020	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	113325000	USD
CY2019	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	-7568000	USD
CY2020	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Excluding Exchange Rate Effect CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseExcludingExchangeRateEffect	20132000	USD
CY2019	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Excluding Exchange Rate Effect CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseExcludingExchangeRateEffect	27367000	USD
CY2018Q4	us-gaap	Cash Cash Equivalents And Federal Funds Sold CashCashEquivalentsAndFederalFundsSold	65076000	USD
CY2020Q4	us-gaap	Cash Cash Equivalents And Federal Funds Sold CashCashEquivalentsAndFederalFundsSold	112575000	USD
CY2019Q4	us-gaap	Cash Cash Equivalents And Federal Funds Sold CashCashEquivalentsAndFederalFundsSold	92443000	USD
CY2020	us-gaap	Interest Paid Net InterestPaidNet	4055000	USD
CY2019	us-gaap	Interest Paid Net InterestPaidNet	4092000	USD
CY2020	us-gaap	Income Taxes Paid Net IncomeTaxesPaidNet	678000	USD
CY2019	us-gaap	Income Taxes Paid Net IncomeTaxesPaidNet	2295000	USD
CY2019Q4	aubn	Initial Recognition Of Operating Lease Right Of Use Assets InitialRecognitionOfOperatingLeaseRightOfUseAssets	891000	USD
CY2019Q4	aubn	Initial Recognition Of Operating Lease Liabilities InitialRecognitionOfOperatingLeaseLiabilities	889000	USD
CY2020	us-gaap	Transfer Of Other Real Estate TransferOfOtherRealEstate	99000	USD
CY2019	us-gaap	Transfer Of Other Real Estate TransferOfOtherRealEstate	82000	USD
CY2020	us-gaap	Nature Of Operations NatureOfOperations	<div id="TextBlockContainer351" 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="a90096" style="position:absolute;font-weight:bold;font-style:normal;left:4.427px;top:0px;">Nature of Business </div><div id="a90102" style="position:absolute;font-weight:normal;font-style:normal;left:4.427px;top:15.2px;"> </div><div id="a90103" style="position:absolute;font-weight:normal;font-style:normal;left:4.427px;top:30.6px;">Auburn National Bancorporation, Inc. (the “Company”) is a bank holding<div style="display:inline-block;width:4.71px"> </div>company whose primary business is conducted </div><div id="a90135" style="position:absolute;font-weight:normal;font-style:normal;left:4.427px;top:45.9px;">by its wholly-owned subsidiary,<div style="display:inline-block;width:5.03px"> </div>AuburnBank (the “Bank”). AuburnBank is a commercial bank located<div style="display:inline-block;width:4.78px"> </div>in Auburn, </div><div id="a90167" style="position:absolute;font-weight:normal;font-style:normal;left:4.427px;top:61.3px;">Alabama. The Bank provides a full range of banking services in its<div style="display:inline-block;width:4.75px"> </div>primary market area, Lee County,<div style="display:inline-block;width:5.12px"> </div>which includes the </div><div id="a90207" style="position:absolute;font-weight:normal;font-style:normal;left:4.427px;top:76.6px;">Auburn-Opelika Metropolitan Statistical Area.</div></div>
CY2020	us-gaap	Basis Of Accounting BasisOfAccounting	<div id="TextBlockContainer353" style="position:relative;font-family:Times New Roman;font-size:13.28px;color:#000000;line-height:normal;width:669px;height:231px;display:inline-block;border:inherit;margin-left:-2px;margin-right:-2px;"><div id="a90218" style="position:absolute;font-weight:bold;font-style:normal;left:4.427px;top:0px;">Basis of Presentation </div><div id="a90224" style="position:absolute;font-weight:normal;font-style:normal;left:4.427px;top:15.4px;"> </div><div id="a90225" style="position:absolute;font-weight:normal;font-style:normal;left:4.427px;top:30.7px;">The consolidated financial statements include the accounts of<div style="display:inline-block;width:4.75px"> </div>the Company and its wholly-owned subsidiaries. Significant </div><div id="a90257" style="position:absolute;font-weight:normal;font-style:normal;left:4.427px;top:46.1px;">intercompany transactions and accounts are eliminated in consolidation. </div><div id="a90273" style="position:absolute;font-weight:bold;font-style:normal;left:4.427px;top:61.4px;"> </div><div id="a90274" style="position:absolute;font-weight:bold;font-style:normal;left:4.427px;top:76.8px;">COVID-19 Uncertainty </div><div id="a90280" style="position:absolute;font-weight:normal;font-style:normal;left:4.427px;top:92px;"> </div><div id="a90281" style="position:absolute;font-weight:normal;font-style:normal;left:4.427px;top:107.4px;">COVID-19 has adversely affected, and may continue to<div style="display:inline-block;width:4.72px"> </div>adversely affect economic activity globally,<div style="display:inline-block;width:5.46px"> </div>nationally and locally. </div><div id="a90315" style="position:absolute;font-weight:normal;font-style:normal;left:4.427px;top:122.8px;">Following the COVID-19 outbreak in December 2019 and January<div style="display:inline-block;width:4.73px"> </div>2020, market interest rates declined significantly.<div style="display:inline-block;width:5.27px"> </div>The </div><div id="a90349" style="position:absolute;font-weight:normal;font-style:normal;left:4.427px;top:138.1px;">federal banking agencies encouraged financial institutions to<div style="display:inline-block;width:4.81px"> </div>prudently work with borrowers and passed legislation to </div><div id="a90380" style="position:absolute;font-weight:normal;font-style:normal;left:4.427px;top:153.5px;">provide relief from reporting loan classifications due to modifications<div style="display:inline-block;width:4.72px"> </div>related to the COVID-19 outbreak. The spread<div style="display:inline-block;width:4.76px"> </div>of </div><div id="a90416" style="position:absolute;font-weight:normal;font-style:normal;left:4.427px;top:168.7px;">COVID-19 has caused us to modify our business practices, including<div style="display:inline-block;width:4.91px"> </div>employee travel, employee work locations, and </div><div id="a90450" style="position:absolute;font-weight:normal;font-style:normal;left:4.427px;top:184px;">cancellation of physical participation in meetings, events and<div style="display:inline-block;width:4.83px"> </div>conferences. The rapid development and fluidity of this </div><div id="a90482" style="position:absolute;font-weight:normal;font-style:normal;left:4.427px;top:199.4px;">situation precludes any predication as to the ultimate impact<div style="display:inline-block;width:4.7px"> </div>of the COVID-19 outbreak. Nevertheless, the outbreak </div><div id="a90516" style="position:absolute;font-weight:normal;font-style:normal;left:4.427px;top:214.8px;">presents uncertainty and risk with respect to the Company,<div style="display:inline-block;width:5.46px"> </div>its performance, and its financial results.</div></div>
CY2020	us-gaap	Use Of Estimates UseOfEstimates	<div id="TextBlockContainer357" 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="a91136" style="position:absolute;font-weight:bold;font-style:normal;left:4.427px;top:0px;">Use of Estimates </div><div id="a91142" style="position:absolute;font-weight:normal;font-style:normal;left:4.427px;top:15.4px;"> </div><div id="a91143" style="position:absolute;font-weight:normal;font-style:normal;left:4.427px;top:30.6px;">The preparation of financial statements in conformity with U.S.<div style="display:inline-block;width:4.82px"> </div>generally accepted accounting principles requires </div><div id="a91171" style="position:absolute;font-weight:normal;font-style:normal;left:4.427px;top:45.9px;">management to make estimates and assumptions that affect<div style="display:inline-block;width:4.78px"> </div>the reported amounts of assets and liabilities and the disclosure </div><div id="a91207" style="position:absolute;font-weight:normal;font-style:normal;left:4.427px;top:61.3px;">of contingent assets and liabilities as of the balance sheet date<div style="display:inline-block;width:4.83px"> </div>and the reported amounts of income and expense during the </div><div id="a91249" style="position:absolute;font-weight:normal;font-style:normal;left:4.427px;top:76.6px;">reporting period. Actual results could differ from those<div style="display:inline-block;width:4.71px"> </div>estimates. Material estimates that are particularly susceptible to </div><div id="a91282" style="position:absolute;font-weight:normal;font-style:normal;left:4.427px;top:92px;">significant change in the near term include the determination<div style="display:inline-block;width:4.72px"> </div>of the allowance for loan losses, fair value measurements, </div><div id="a91318" style="position:absolute;font-weight:normal;font-style:normal;left:4.427px;top:107.4px;">valuation of other real estate owned, and valuation of deferred<div style="display:inline-block;width:4.72px"> </div>tax assets.</div></div>
CY2019Q4	aubn	Change In Accounting Estimate Carrying Value Property Plant And Equipment ChangeInAccountingEstimateCarryingValuePropertyPlantAndEquipment	500000	USD
CY2020	aubn	Change In Accounting Estitmate After Tax Impact Net Earnings ChangeInAccountingEstitmateAfterTaxImpactNetEarnings	342000	USD
CY2020	aubn	Accounting Estimate Change Effect Of Change On Basic And Diluted Eanrings Per Share AccountingEstimateChangeEffectOfChangeOnBasicAndDilutedEanringsPerShare	0.10
CY2019	aubn	Change In Accounting Estitmate After Tax Impact Net Earnings ChangeInAccountingEstitmateAfterTaxImpactNetEarnings	161000	USD
CY2019	aubn	Accounting Estimate Change Effect Of Change On Basic And Diluted Eanrings Per Share AccountingEstimateChangeEffectOfChangeOnBasicAndDilutedEanringsPerShare	0.04
CY2020	us-gaap	Reclassifications Reclassifications	<div id="TextBlockContainer363" 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="a91611" style="position:absolute;font-weight:bold;font-style:normal;left:4.427px;top:0px;">Reclassifications<div style="display:inline-block;width:3.78px"> </div></div><div id="a91614" style="position:absolute;font-size:10.72px;font-weight:normal;font-style:normal;left:4.427px;top:15.1px;"> </div><div id="a91615" style="position:absolute;font-weight:normal;font-style:normal;left:4.427px;top:27.5px;">Certain amounts reported in the prior period have been reclassified<div style="display:inline-block;width:4.82px"> </div>to conform to the current-period presentation. These </div><div id="a91651" style="position:absolute;font-weight:normal;font-style:normal;left:4.427px;top:42.9px;">reclassifications had no impact on the Company’s<div style="display:inline-block;width:5.12px"> </div>previously reported net earnings or total stockholders’ equity.</div></div>
CY2020Q4	us-gaap	Available For Sale Securities Debt Maturities Within One Year Fair Value AvailableForSaleSecuritiesDebtMaturitiesWithinOneYearFairValue	5525000	USD
CY2020Q4	us-gaap	Available For Sale Securities Debt Maturities After One Through Five Years Fair Value AvailableForSaleSecuritiesDebtMaturitiesAfterOneThroughFiveYearsFairValue	26620000	USD
CY2020Q4	us-gaap	Available For Sale Securities Debt Maturities After Five Through Ten Years Fair Value AvailableForSaleSecuritiesDebtMaturitiesAfterFiveThroughTenYearsFairValue	84274000	USD
CY2020Q4	us-gaap	Available For Sale Securities Debt Maturities After Ten Years Fair Value AvailableForSaleSecuritiesDebtMaturitiesAfterTenYearsFairValue	218758000	USD
CY2020Q4	aubn	Available For Sale Securities Fair Value AvailableForSaleSecuritiesFairValue	335177000	USD
CY2020Q4	aubn	Available For Sale Securities Gross Unrealized Gains2 AvailableForSaleSecuritiesGrossUnrealizedGains2	10389000	USD
CY2020Q4	aubn	Available For Sale Securities Gross Unrealized Losses AvailableForSaleSecuritiesGrossUnrealizedLosses	242000	USD
CY2020Q4	us-gaap	Available For Sale Securities Amortized Cost AvailableForSaleSecuritiesAmortizedCost	325030000	USD
CY2019Q4	us-gaap	Available For Sale Securities Debt Maturities Within One Year Fair Value AvailableForSaleSecuritiesDebtMaturitiesWithinOneYearFairValue	4993000	USD
CY2019Q4	us-gaap	Available For Sale Securities Debt Maturities After One Through Five Years Fair Value AvailableForSaleSecuritiesDebtMaturitiesAfterOneThroughFiveYearsFairValue	29160000	USD
CY2019Q4	us-gaap	Available For Sale Securities Debt Maturities After Five Through Ten Years Fair Value AvailableForSaleSecuritiesDebtMaturitiesAfterFiveThroughTenYearsFairValue	29146000	USD
CY2019Q4	us-gaap	Available For Sale Securities Debt Maturities After Ten Years Fair Value AvailableForSaleSecuritiesDebtMaturitiesAfterTenYearsFairValue	172603000	USD
CY2019Q4	aubn	Available For Sale Securities Fair Value AvailableForSaleSecuritiesFairValue	235902000	USD
CY2019Q4	aubn	Available For Sale Securities Gross Unrealized Gains2 AvailableForSaleSecuritiesGrossUnrealizedGains2	3117000	USD
CY2019Q4	aubn	Available For Sale Securities Gross Unrealized Losses AvailableForSaleSecuritiesGrossUnrealizedLosses	368000	USD
CY2019Q4	us-gaap	Available For Sale Securities Amortized Cost AvailableForSaleSecuritiesAmortizedCost	233153000	USD
CY2020Q4	us-gaap	Debt Securities Available For Sale Restricted DebtSecuritiesAvailableForSaleRestricted	166900000	USD
CY2019Q4	us-gaap	Debt Securities Available For Sale Restricted DebtSecuritiesAvailableForSaleRestricted	147800000	USD
CY2020Q4	us-gaap	Cost Method Investments CostMethodInvestments	1400000	USD
CY2020Q4	us-gaap	Available For Sale Securities Continuous Unrealized Loss Position Less Than Twelve Months Fair Value AvailableForSaleSecuritiesContinuousUnrealizedLossPositionLessThanTwelveMonthsFairValue	59849000	USD
CY2020Q4	us-gaap	Available For Sale Securities Continuous Unrealized Loss Position Less Than12 Months Accumulated Loss AvailableForSaleSecuritiesContinuousUnrealizedLossPositionLessThan12MonthsAccumulatedLoss	242000	USD
CY2020Q4	us-gaap	Available For Sale Securities Continuous Unrealized Loss Position Twelve Months Or Longer Fair Value AvailableForSaleSecuritiesContinuousUnrealizedLossPositionTwelveMonthsOrLongerFairValue	0	USD
CY2020Q4	us-gaap	Available For Sale Securities Continuous Unrealized Loss Position12 Months Or Longer Accumulated Loss AvailableForSaleSecuritiesContinuousUnrealizedLossPosition12MonthsOrLongerAccumulatedLoss	0	USD
CY2020Q4	us-gaap	Available For Sale Securities Continuous Unrealized Loss Position Fair Value AvailableForSaleSecuritiesContinuousUnrealizedLossPositionFairValue	59849000	USD
CY2020Q4	us-gaap	Available For Sale Securities Continuous Unrealized Loss Position Accumulated Loss AvailableForSaleSecuritiesContinuousUnrealizedLossPositionAccumulatedLoss	242000	USD
CY2019Q4	us-gaap	Available For Sale Securities Continuous Unrealized Loss Position Less Than Twelve Months Fair Value AvailableForSaleSecuritiesContinuousUnrealizedLossPositionLessThanTwelveMonthsFairValue	67601000	USD
CY2019Q4	us-gaap	Available For Sale Securities Continuous Unrealized Loss Position Less Than12 Months Accumulated Loss AvailableForSaleSecuritiesContinuousUnrealizedLossPositionLessThan12MonthsAccumulatedLoss	204000	USD
CY2019Q4	us-gaap	Available For Sale Securities Continuous Unrealized Loss Position Twelve Months Or Longer Fair Value AvailableForSaleSecuritiesContinuousUnrealizedLossPositionTwelveMonthsOrLongerFairValue	26470000	USD
CY2019Q4	us-gaap	Available For Sale Securities Continuous Unrealized Loss Position12 Months Or Longer Accumulated Loss AvailableForSaleSecuritiesContinuousUnrealizedLossPosition12MonthsOrLongerAccumulatedLoss	164000	USD
CY2019Q4	us-gaap	Available For Sale Securities Continuous Unrealized Loss Position Fair Value AvailableForSaleSecuritiesContinuousUnrealizedLossPositionFairValue	94071000	USD
CY2019Q4	us-gaap	Available For Sale Securities Continuous Unrealized Loss Position Accumulated Loss AvailableForSaleSecuritiesContinuousUnrealizedLossPositionAccumulatedLoss	368000	USD
CY2020	us-gaap	Available For Sale Securities Gross Realized Gains AvailableForSaleSecuritiesGrossRealizedGains	184000	USD
CY2019	us-gaap	Available For Sale Securities Gross Realized Gains AvailableForSaleSecuritiesGrossRealizedGains	120000	USD
CY2020	us-gaap	Available For Sale Securities Gross Realized Losses AvailableForSaleSecuritiesGrossRealizedLosses	81000	USD
CY2019	us-gaap	Available For Sale Securities Gross Realized Losses AvailableForSaleSecuritiesGrossRealizedLosses	243000	USD
CY2020	us-gaap	Available For Sale Securities Gross Realized Gain Loss Net AvailableForSaleSecuritiesGrossRealizedGainLossNet	103000	USD
CY2019	us-gaap	Available For Sale Securities Gross Realized Gain Loss Net AvailableForSaleSecuritiesGrossRealizedGainLossNet	-123000	USD
CY2020Q4	aubn	Commercial And Industrial Loans CommercialAndIndustrialLoans	82585000	USD
CY2019Q4	aubn	Commercial And Industrial Loans CommercialAndIndustrialLoans	56782000	USD
CY2020Q4	aubn	Commercial Real Estate Hotel Motel CommercialRealEstateHotelMotel	42900000	USD
CY2019Q4	aubn	Commercial Real Estate Hotel Motel CommercialRealEstateHotelMotel	43719000	USD
CY2020Q4	aubn	Commercial Real Estate Multifamily CommercialRealEstateMultifamily	40203000	USD
CY2019Q4	aubn	Commercial Real Estate Multifamily CommercialRealEstateMultifamily	44839000	USD
CY2020Q4	aubn	Commericial Real Estate Loans CommericialRealEstateLoans	255136000	USD
CY2019Q4	aubn	Commericial Real Estate Loans CommericialRealEstateLoans	270318000	USD
CY2020Q4	aubn	Consumer Installment And Revolving Loans ConsumerInstallmentAndRevolvingLoans	7099000	USD
CY2019Q4	aubn	Consumer Installment And Revolving Loans ConsumerInstallmentAndRevolvingLoans	8866000	USD
CY2020Q4	aubn	Percentage Of Loans Secured By Real Estate PercentageOfLoansSecuredByRealEstate	0.806	pure
CY2020	aubn	Loans Payroll Protection Program Number Of Loans LoansPayrollProtectionProgramNumberOfLoans	265	pure
CY2020Q4	aubn	Payroll Protection Program Loan Balance PayrollProtectionProgramLoanBalance	19000000.0	USD
CY2020Q4	us-gaap	Financing Receivable Recorded Investment Current FinancingReceivableRecordedInvestmentCurrent	459955000	USD
CY2020Q4	aubn	Financing Receivable Recorded Investment30 To89 Days Past Due FinancingReceivableRecordedInvestment30To89DaysPastDue	1858000	USD
CY2020Q4	us-gaap	Financing Receivable Recorded Investment90 Days Past Due And Still Accruing FinancingReceivableRecordedInvestment90DaysPastDueAndStillAccruing	141000	USD
CY2020Q4	aubn	Financing Receivable Recorded Investment Total Still Accruing FinancingReceivableRecordedInvestmentTotalStillAccruing	461954000	USD
CY2020Q4	us-gaap	Financing Receivable Recorded Investment Nonaccrual Status FinancingReceivableRecordedInvestmentNonaccrualStatus	534000	USD
CY2019Q4	us-gaap	Financing Receivable Recorded Investment Current FinancingReceivableRecordedInvestmentCurrent	459043000	USD
CY2019Q4	aubn	Financing Receivable Recorded Investment30 To89 Days Past Due FinancingReceivableRecordedInvestment30To89DaysPastDue	2152000	USD
CY2019Q4	us-gaap	Financing Receivable Recorded Investment90 Days Past Due And Still Accruing FinancingReceivableRecordedInvestment90DaysPastDueAndStillAccruing	0	USD
CY2019Q4	aubn	Financing Receivable Recorded Investment Total Still Accruing FinancingReceivableRecordedInvestmentTotalStillAccruing	461195000	USD
CY2019Q4	us-gaap	Financing Receivable Recorded Investment Nonaccrual Status FinancingReceivableRecordedInvestmentNonaccrualStatus	187000	USD
CY2020	us-gaap	Loans And Leases Receivable Impaired Interest Lost On Nonaccrual Loans LoansAndLeasesReceivableImpairedInterestLostOnNonaccrualLoans	20000	USD
CY2019	us-gaap	Loans And Leases Receivable Impaired Interest Lost On Nonaccrual Loans LoansAndLeasesReceivableImpairedInterestLostOnNonaccrualLoans	9000	USD
CY2018Q4	us-gaap	Financing Receivable Allowance For Credit Losses FinancingReceivableAllowanceForCreditLosses	4790000	USD
CY2019	us-gaap	Financing Receivable Allowance For Credit Losses Write Offs FinancingReceivableAllowanceForCreditLossesWriteOffs	408000	USD
CY2019	us-gaap	Financing Receivable Allowance For Credit Losses Recovery FinancingReceivableAllowanceForCreditLossesRecovery	254000	USD
CY2019	aubn	Financing Receivable Allowance For Credit Losses Net Chargeoffs Recoveries FinancingReceivableAllowanceForCreditLossesNetChargeoffsRecoveries	-154000	USD
CY2019Q4	us-gaap	Financing Receivable Allowance For Credit Losses FinancingReceivableAllowanceForCreditLosses	4386000	USD
CY2020	us-gaap	Financing Receivable Allowance For Credit Losses Write Offs FinancingReceivableAllowanceForCreditLossesWriteOffs	45000	USD
CY2020	us-gaap	Financing Receivable Allowance For Credit Losses Recovery FinancingReceivableAllowanceForCreditLossesRecovery	177000	USD
CY2020	aubn	Financing Receivable Allowance For Credit Losses Net Chargeoffs Recoveries FinancingReceivableAllowanceForCreditLossesNetChargeoffsRecoveries	132000	USD
CY2020Q4	us-gaap	Financing Receivable Allowance For Credit Losses FinancingReceivableAllowanceForCreditLosses	5618000	USD
CY2020Q4	us-gaap	Financing Receivable Collectively Evaluated For Impairment FinancingReceivableCollectivelyEvaluatedForImpairment	462165000	USD
CY2020Q4	us-gaap	Financing Receivable Allowance For Credit Losses Individually Evaluated For Impairment1 FinancingReceivableAllowanceForCreditLossesIndividuallyEvaluatedForImpairment1	0	USD
CY2020Q4	us-gaap	Financing Receivable Individually Evaluated For Impairment FinancingReceivableIndividuallyEvaluatedForImpairment	323000	USD
CY2020Q4	us-gaap	Loans And Leases Receivable Gross Carrying Amount LoansAndLeasesReceivableGrossCarryingAmount	462488000	USD
CY2019Q4	us-gaap	Financing Receivable Allowance For Credit Losses Collectively Evaluated For Impairment FinancingReceivableAllowanceForCreditLossesCollectivelyEvaluatedForImpairment	4386000	USD
CY2019Q4	us-gaap	Financing Receivable Collectively Evaluated For Impairment FinancingReceivableCollectivelyEvaluatedForImpairment	461283000	USD
CY2019Q4	us-gaap	Financing Receivable Allowance For Credit Losses Individually Evaluated For Impairment1 FinancingReceivableAllowanceForCreditLossesIndividuallyEvaluatedForImpairment1	0	USD
CY2019Q4	us-gaap	Financing Receivable Individually Evaluated For Impairment FinancingReceivableIndividuallyEvaluatedForImpairment	99000	USD
CY2019Q4	us-gaap	Loans And Leases Receivable Gross Carrying Amount LoansAndLeasesReceivableGrossCarryingAmount	461382000	USD
CY2020Q4	aubn	Financing Receivable Recorded Investment Pass FinancingReceivableRecordedInvestmentPass	440852000	USD
CY2020Q4	aubn	Financing Receivable Recorded Investment Special Mention FinancingReceivableRecordedInvestmentSpecialMention	18190000	USD
CY2020Q4	aubn	Financing Receivable Recorded Investment Substandard Accruing FinancingReceivableRecordedInvestmentSubstandardAccruing	2912000	USD
CY2019Q4	aubn	Financing Receivable Recorded Investment Pass FinancingReceivableRecordedInvestmentPass	450911000	USD
CY2019Q4	aubn	Financing Receivable Recorded Investment Special Mention FinancingReceivableRecordedInvestmentSpecialMention	5913000	USD
CY2019Q4	aubn	Financing Receivable Recorded Investment Substandard Accruing FinancingReceivableRecordedInvestmentSubstandardAccruing	4371000	USD
CY2020	aubn	Number Of Loan Outstanding For Loan Guarantee NumberOfLoanOutstandingForLoanGuarantee	5	pure
CY2020Q4	aubn	Amount Of Loan Outstanding For Loan Guarantee AmountOfLoanOutstandingForLoanGuarantee	10300000	USD
CY2020Q4	us-gaap	Impaired Financing Receivable Unpaid Principal Balance ImpairedFinancingReceivableUnpaidPrincipalBalance	325000	USD
CY2020Q4	aubn	Impaired Financing Receivable Charge Off And Payments Applied ImpairedFinancingReceivableChargeOffAndPaymentsApplied	-6000	USD
CY2020Q4	us-gaap	Impaired Financing Receivable Recorded Investment ImpairedFinancingReceivableRecordedInvestment	319000	USD
CY2019Q4	us-gaap	Impaired Financing Receivable Unpaid Principal Balance ImpairedFinancingReceivableUnpaidPrincipalBalance	335000	USD
CY2019Q4	aubn	Impaired Financing Receivable Charge Off And Payments Applied ImpairedFinancingReceivableChargeOffAndPaymentsApplied	-236000	USD
CY2019Q4	us-gaap	Impaired Financing Receivable Recorded Investment ImpairedFinancingReceivableRecordedInvestment	99000	USD
CY2020	us-gaap	Impaired Financing Receivable Average Recorded Investment ImpairedFinancingReceivableAverageRecordedInvestment	175000	USD
CY2020	us-gaap	Impaired Financing Receivable Interest Income Accrual Method ImpairedFinancingReceivableInterestIncomeAccrualMethod	0	USD
CY2019	us-gaap	Impaired Financing Receivable Average Recorded Investment ImpairedFinancingReceivableAverageRecordedInvestment	32000	USD
CY2019	us-gaap	Impaired Financing Receivable Interest Income Accrual Method ImpairedFinancingReceivableInterestIncomeAccrualMethod	9000	USD
CY2020Q4	aubn	Impaired Financing Receivable Troubled Debt Restructuring Still Accruing ImpairedFinancingReceivableTroubledDebtRestructuringStillAccruing	0	USD
CY2020Q4	aubn	Impaired Financing Receivable Troubled Debt Restructuring Nonaccrual ImpairedFinancingReceivableTroubledDebtRestructuringNonaccrual	319000	USD
CY2020Q4	aubn	Impaired Financing Receivable Trouble Debt Structuring ImpairedFinancingReceivableTroubleDebtStructuring	319000	USD
CY2020Q4	aubn	Impaired Financing Receivable Troubled Debt Restructuring Allowance For Credit Losses ImpairedFinancingReceivableTroubledDebtRestructuringAllowanceForCreditLosses	0	USD
CY2020	us-gaap	Financing Receivable Modifications Number Of Contracts2 FinancingReceivableModificationsNumberOfContracts2	4	pure
CY2020	us-gaap	Financing Receivable Modifications Pre Modification Recorded Investment2 FinancingReceivableModificationsPreModificationRecordedInvestment2	327000	USD
CY2020	us-gaap	Financing Receivable Modifications Post Modification Recorded Investment2 FinancingReceivableModificationsPostModificationRecordedInvestment2	327000	USD
CY2020Q4	us-gaap	Land Land	9829000	USD
CY2019Q4	us-gaap	Land Land	9874000	USD
CY2020Q4	us-gaap	Buildings And Improvements Gross BuildingsAndImprovementsGross	7436000	USD
CY2019Q4	us-gaap	Buildings And Improvements Gross BuildingsAndImprovementsGross	9987000	USD
CY2020Q4	aubn	Furniture Fixtures And Equipment Gross FurnitureFixturesAndEquipmentGross	2715000	USD
CY2019Q4	aubn	Furniture Fixtures And Equipment Gross FurnitureFixturesAndEquipmentGross	3109000	USD
CY2020Q4	us-gaap	Construction In Progress Gross ConstructionInProgressGross	8171000	USD
CY2019Q4	us-gaap	Construction In Progress Gross ConstructionInProgressGross	107000	USD
CY2020Q4	us-gaap	Property Plant And Equipment Gross PropertyPlantAndEquipmentGross	28151000	USD
CY2019Q4	us-gaap	Property Plant And Equipment Gross PropertyPlantAndEquipmentGross	23077000	USD
CY2020Q4	us-gaap	Accumulated Depreciation Depletion And Amortization Property Plant And Equipment AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment	5958000	USD
CY2019Q4	us-gaap	Accumulated Depreciation Depletion And Amortization Property Plant And Equipment AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment	8334000	USD
CY2020	us-gaap	Depreciation Depreciation	905000	USD
CY2019	us-gaap	Depreciation Depreciation	662000	USD
CY2019Q4	us-gaap	Servicing Asset At Amortized Value ServicingAssetAtAmortizedValue	1299000	USD
CY2018Q4	us-gaap	Servicing Asset At Amortized Value ServicingAssetAtAmortizedValue	1441000	USD
CY2020	aubn	Servicing Asset At Amortized Value Amortization2 ServicingAssetAtAmortizedValueAmortization2	640000	USD
CY2019	aubn	Servicing Asset At Amortized Value Amortization2 ServicingAssetAtAmortizedValueAmortization2	383000	USD
CY2020Q4	us-gaap	Servicing Asset At Amortized Value ServicingAssetAtAmortizedValue	1330000	USD
CY2019Q4	us-gaap	Valuation Allowance For Impairment Of Recognized Servicing Assets Balance ValuationAllowanceForImpairmentOfRecognizedServicingAssetsBalance	0	USD
CY2018Q4	us-gaap	Valuation Allowance For Impairment Of Recognized Servicing Assets Balance ValuationAllowanceForImpairmentOfRecognizedServicingAssetsBalance	0	USD
CY2019Q4	aubn	Servicing Assets And Servicing Liabilities At Fair Value Assumptions Used To Estimate Fair Value Unpaid Principal Balance ServicingAssetsAndServicingLiabilitiesAtFairValueAssumptionsUsedToEstimateFairValueUnpaidPrincipalBalance	274227000	USD
CY2020	aubn	Servicing Assets And Servicing Liabilities At Fair Value Assumptions Used To Estimate Fair Value Weighted Average Servicing Fee ServicingAssetsAndServicingLiabilitiesAtFairValueAssumptionsUsedToEstimateFairValueWeightedAverageServicingFee	0.250	pure
CY2019	aubn	Servicing Assets And Servicing Liabilities At Fair Value Assumptions Used To Estimate Fair Value Weighted Average Servicing Fee ServicingAssetsAndServicingLiabilitiesAtFairValueAssumptionsUsedToEstimateFairValueWeightedAverageServicingFee	0.250	pure
CY2020Q4	aubn	Weighted Average Amortization In Years WeightedAverageAmortizationInYears	3.7	pure
CY2020Q4	us-gaap	Finite Lived Intangible Assets Amortization Expense Year Two FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo	227000	USD
CY2020	us-gaap	Servicing Assets And Servicing Liabilities At Fair Value Assumptions Used To Estimate Fair Value Prepayment Speed ServicingAssetsAndServicingLiabilitiesAtFairValueAssumptionsUsedToEstimateFairValuePrepaymentSpeed	0.207	pure
CY2019	us-gaap	Servicing Assets And Servicing Liabilities At Fair Value Assumptions Used To Estimate Fair Value Prepayment Speed ServicingAssetsAndServicingLiabilitiesAtFairValueAssumptionsUsedToEstimateFairValuePrepaymentSpeed	0.116	pure
CY2020Q4	us-gaap	Finite Lived Intangible Assets Amortization Expense Next Twelve Months FiniteLivedIntangibleAssetsAmortizationExpenseNextTwelveMonths	308000	USD
CY2020Q4	us-gaap	Valuation Allowance For Impairment Of Recognized Servicing Assets Balance ValuationAllowanceForImpairmentOfRecognizedServicingAssetsBalance	0	USD
CY2019Q4	us-gaap	Servicing Asset At Amortized Value Fair Value ServicingAssetAtAmortizedValueFairValue	2111000	USD
CY2018Q4	us-gaap	Servicing Asset At Amortized Value Fair Value ServicingAssetAtAmortizedValueFairValue	2697000	USD
CY2020Q4	us-gaap	Servicing Asset At Amortized Value Fair Value ServicingAssetAtAmortizedValueFairValue	1489000	USD
CY2020Q4	aubn	Servicing Assets And Servicing Liabilities At Fair Value Assumptions Used To Estimate Fair Value Unpaid Principal Balance ServicingAssetsAndServicingLiabilitiesAtFairValueAssumptionsUsedToEstimateFairValueUnpaidPrincipalBalance	265964000	USD
CY2020	us-gaap	Servicing Assets And Servicing Liabilities At Fair Value Assumptions Used To Estimate Fair Value Discount Rate ServicingAssetsAndServicingLiabilitiesAtFairValueAssumptionsUsedToEstimateFairValueDiscountRate	0.100	pure
CY2019	us-gaap	Servicing Assets And Servicing Liabilities At Fair Value Assumptions Used To Estimate Fair Value Discount Rate ServicingAssetsAndServicingLiabilitiesAtFairValueAssumptionsUsedToEstimateFairValueDiscountRate	0.100	pure
CY2020	aubn	Servicing Assets And Servicing Liabilities At Fair Value Assumptions Used To Estimate Fair Value Weighted Average Coupon Interest Rate ServicingAssetsAndServicingLiabilitiesAtFairValueAssumptionsUsedToEstimateFairValueWeightedAverageCouponInterestRate	0.036	pure
CY2019	aubn	Servicing Assets And Servicing Liabilities At Fair Value Assumptions Used To Estimate Fair Value Weighted Average Coupon Interest Rate ServicingAssetsAndServicingLiabilitiesAtFairValueAssumptionsUsedToEstimateFairValueWeightedAverageCouponInterestRate	0.039	pure
CY2020	us-gaap	Servicing Assets And Servicing Liabilities At Fair Value Assumptions Used To Estimate Fair Value Weighted Average Life1 ServicingAssetsAndServicingLiabilitiesAtFairValueAssumptionsUsedToEstimateFairValueWeightedAverageLife1	P253M
CY2019	us-gaap	Servicing Assets And Servicing Liabilities At Fair Value Assumptions Used To Estimate Fair Value Weighted Average Life1 ServicingAssetsAndServicingLiabilitiesAtFairValueAssumptionsUsedToEstimateFairValueWeightedAverageLife1	P255M
CY2020Q4	us-gaap	Finite Lived Intangible Assets Amortization Expense Year Three FiniteLivedIntangibleAssetsAmortizationExpenseYearThree	170000	USD
CY2020Q4	us-gaap	Finite Lived Intangible Assets Amortization Expense Year Four FiniteLivedIntangibleAssetsAmortizationExpenseYearFour	129000	USD
CY2020Q4	us-gaap	Finite Lived Intangible Assets Amortization Expense Year Five FiniteLivedIntangibleAssetsAmortizationExpenseYearFive	101000	USD
CY2020Q4	aubn	Time Deposit Maturities Next Twelve Months TimeDepositMaturitiesNextTwelveMonths	88292000	USD
CY2020Q4	us-gaap	Time Deposit Maturities Year Two TimeDepositMaturitiesYearTwo	50332000	USD
CY2020Q4	us-gaap	Time Deposit Maturities Year Three TimeDepositMaturitiesYearThree	12572000	USD
CY2020Q4	us-gaap	Time Deposit Maturities Year Four TimeDepositMaturitiesYearFour	5842000	USD
CY2020Q4	us-gaap	Time Deposit Maturities Year Five TimeDepositMaturitiesYearFive	3363000	USD
CY2020Q4	us-gaap	Time Deposit Maturities After Year Five TimeDepositMaturitiesAfterYearFive	0	USD
CY2020Q4	us-gaap	Time Deposits TimeDeposits	160401000	USD
CY2020Q4	aubn	Time Deposits250000 Or More TimeDeposits250000OrMore	55000000.0	USD
CY2020Q4	us-gaap	Lessee Operating Lease Liability Payments Due Next Twelve Months LesseeOperatingLeaseLiabilityPaymentsDueNextTwelveMonths	127000	USD
CY2020Q4	us-gaap	Lessee Operating Lease Liability Payments Due Year Two LesseeOperatingLeaseLiabilityPaymentsDueYearTwo	120000	USD
CY2020Q4	us-gaap	Lessee Operating Lease Liability Payments Due Year Three LesseeOperatingLeaseLiabilityPaymentsDueYearThree	120000	USD
CY2020Q4	us-gaap	Lessee Operating Lease Liability Payments Due Year Four LesseeOperatingLeaseLiabilityPaymentsDueYearFour	120000	USD
CY2020Q4	us-gaap	Lessee Operating Lease Liability Payments Due Year Five LesseeOperatingLeaseLiabilityPaymentsDueYearFive	111000	USD
CY2020Q4	us-gaap	Lessee Operating Lease Liability Payments Due After Year Five LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFive	300000	USD
CY2019Q4	aubn	Time Deposits250000 Or More TimeDeposits250000OrMore	57400000	USD
CY2020Q4	us-gaap	Line Of Credit Facility Maximum Borrowing Capacity LineOfCreditFacilityMaximumBorrowingCapacity	41000000	USD
CY2020Q4	aubn	Available For Sale Securities Pledged As Collateral For Securities Sold Under Agreements To Repurchase AvailableForSaleSecuritiesPledgedAsCollateralForSecuritiesSoldUnderAgreementsToRepurchase	5700000	USD
CY2019Q4	aubn	Available For Sale Securities Pledged As Collateral For Securities Sold Under Agreements To Repurchase AvailableForSaleSecuritiesPledgedAsCollateralForSecuritiesSoldUnderAgreementsToRepurchase	2600000	USD
CY2020	us-gaap	Lease And Rental Expense LeaseAndRentalExpense	200000	USD
CY2020Q4	us-gaap	Operating Lease Right Of Use Asset OperatingLeaseRightOfUseAsset	788000	USD
CY2019Q4	us-gaap	Operating Lease Right Of Use Asset OperatingLeaseRightOfUseAsset	785000	USD
CY2020Q4	aubn	Operating Lease Liabilities OperatingLeaseLiabilities	811000	USD
CY2019Q4	aubn	Operating Lease Liabilities OperatingLeaseLiabilities	788000	USD
CY2020	aubn	Rent Expense Excluded From Right Of Use Asset RentExpenseExcludedFromRightOfUseAsset	100000	USD
CY2020	aubn	Rent Expense Included In Lease Liablilty RentExpenseIncludedInLeaseLiablilty	112000	USD
CY2020Q4	us-gaap	Lessee Operating Lease Liability Payments Due LesseeOperatingLeaseLiabilityPaymentsDue	898000	USD
CY2020Q4	us-gaap	Lessee Operating Lease Liability Undiscounted Excess Amount LesseeOperatingLeaseLiabilityUndiscountedExcessAmount	87000	USD
CY2020Q4	us-gaap	Operating Lease Weighted Average Remaining Lease Term1 OperatingLeaseWeightedAverageRemainingLeaseTerm1	P7Y8M4D
CY2020Q4	us-gaap	Operating Lease Weighted Average Discount Rate Percent OperatingLeaseWeightedAverageDiscountRatePercent	0.0302	pure
CY2020	us-gaap	Current Federal Tax Expense Benefit CurrentFederalTaxExpenseBenefit	1459000	USD
CY2019	us-gaap	Current Federal Tax Expense Benefit CurrentFederalTaxExpenseBenefit	1939000	USD
CY2020	us-gaap	Current State And Local Tax Expense Benefit CurrentStateAndLocalTaxExpenseBenefit	476000	USD
CY2019	us-gaap	Current State And Local Tax Expense Benefit CurrentStateAndLocalTaxExpenseBenefit	584000	USD
CY2020	us-gaap	Current Income Tax Expense Benefit CurrentIncomeTaxExpenseBenefit	1935000	USD
CY2019	us-gaap	Current Income Tax Expense Benefit CurrentIncomeTaxExpenseBenefit	2523000	USD
CY2020	us-gaap	Deferred Federal Income Tax Expense Benefit DeferredFederalIncomeTaxExpenseBenefit	-262000	USD
CY2019	us-gaap	Deferred Federal Income Tax Expense Benefit DeferredFederalIncomeTaxExpenseBenefit	-136000	USD
CY2020	us-gaap	Deferred State And Local Income Tax Expense Benefit DeferredStateAndLocalIncomeTaxExpenseBenefit	-68000	USD
CY2019	us-gaap	Deferred State And Local Income Tax Expense Benefit DeferredStateAndLocalIncomeTaxExpenseBenefit	-17000	USD
CY2020	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	9059000	USD
CY2019	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	12111000	USD
CY2020	us-gaap	Income Tax Reconciliation Income Tax Expense Benefit At Federal Statutory Income Tax Rate IncomeTaxReconciliationIncomeTaxExpenseBenefitAtFederalStatutoryIncomeTaxRate	1902000	USD
CY2020	us-gaap	Effective Income Tax Rate Reconciliation At Federal Statutory Income Tax Rate EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate	0.210	pure
CY2019	us-gaap	Income Tax Reconciliation Income Tax Expense Benefit At Federal Statutory Income Tax Rate IncomeTaxReconciliationIncomeTaxExpenseBenefitAtFederalStatutoryIncomeTaxRate	2543000	USD
CY2019	us-gaap	Effective Income Tax Rate Reconciliation At Federal Statutory Income Tax Rate EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate	0.210	pure
CY2020	us-gaap	Income Tax Reconciliation Tax Exempt Income IncomeTaxReconciliationTaxExemptIncome	489000	USD
CY2020	us-gaap	Effective Income Tax Rate Reconciliation Tax Exempt Income EffectiveIncomeTaxRateReconciliationTaxExemptIncome	-0.054	pure
CY2019	us-gaap	Income Tax Reconciliation Tax Exempt Income IncomeTaxReconciliationTaxExemptIncome	508000	USD
CY2019	us-gaap	Effective Income Tax Rate Reconciliation Tax Exempt Income EffectiveIncomeTaxRateReconciliationTaxExemptIncome	-0.041	pure
CY2020	us-gaap	Income Tax Reconciliation State And Local Income Taxes IncomeTaxReconciliationStateAndLocalIncomeTaxes	345000	USD
CY2020	us-gaap	Effective Income Tax Rate Reconciliation State And Local Income Taxes EffectiveIncomeTaxRateReconciliationStateAndLocalIncomeTaxes	0.038	pure
CY2019	us-gaap	Income Tax Reconciliation State And Local Income Taxes IncomeTaxReconciliationStateAndLocalIncomeTaxes	440000	USD
CY2019	us-gaap	Effective Income Tax Rate Reconciliation State And Local Income Taxes EffectiveIncomeTaxRateReconciliationStateAndLocalIncomeTaxes	0.036	pure
CY2020	aubn	Income Tax Reconciliation Bank Owned Life Insurance IncomeTaxReconciliationBankOwnedLifeInsurance	152000	USD
CY2020	aubn	Effective Income Tax Rate Reconciliation Bank Owned Life Insurance EffectiveIncomeTaxRateReconciliationBankOwnedLifeInsurance	-0.017	pure
CY2019	aubn	Income Tax Reconciliation Bank Owned Life Insurance IncomeTaxReconciliationBankOwnedLifeInsurance	92000	USD
CY2019	aubn	Effective Income Tax Rate Reconciliation Bank Owned Life Insurance EffectiveIncomeTaxRateReconciliationBankOwnedLifeInsurance	-0.008	pure
CY2020	us-gaap	Income Tax Reconciliation Other Adjustments IncomeTaxReconciliationOtherAdjustments	-1000	USD
CY2019	us-gaap	Income Tax Reconciliation Other Adjustments IncomeTaxReconciliationOtherAdjustments	-13000	USD
CY2019	us-gaap	Effective Income Tax Rate Reconciliation Other Adjustments EffectiveIncomeTaxRateReconciliationOtherAdjustments	-0.001	pure
CY2020	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	1605000	USD
CY2020	us-gaap	Effective Income Tax Rate Continuing Operations EffectiveIncomeTaxRateContinuingOperations	0.177	pure
CY2019	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	2370000	USD
CY2019	us-gaap	Effective Income Tax Rate Continuing Operations EffectiveIncomeTaxRateContinuingOperations	0.196	pure
CY2020Q4	aubn	Deferred Tax Asset Allowance For Loan Loss DeferredTaxAssetAllowanceForLoanLoss	1411000	USD
CY2019Q4	aubn	Deferred Tax Asset Allowance For Loan Loss DeferredTaxAssetAllowanceForLoanLoss	1102000	USD
CY2020Q4	aubn	Deferred Tax Asset Bonus DeferredTaxAssetBonus	183000	USD
CY2019Q4	aubn	Deferred Tax Asset Bonus DeferredTaxAssetBonus	296000	USD
CY2020Q4	aubn	Deferred Tax Asset Right Of Use Liability DeferredTaxAssetRightOfUseLiability	204000	USD
CY2019Q4	aubn	Deferred Tax Asset Right Of Use Liability DeferredTaxAssetRightOfUseLiability	198000	USD
CY2020Q4	us-gaap	Deferred Tax Assets Other DeferredTaxAssetsOther	91000	USD
CY2019Q4	us-gaap	Deferred Tax Assets Other DeferredTaxAssetsOther	88000	USD
CY2020Q4	us-gaap	Deferred Tax Assets Gross DeferredTaxAssetsGross	1889000	USD
CY2019Q4	us-gaap	Deferred Tax Assets Gross DeferredTaxAssetsGross	1684000	USD
CY2020Q4	us-gaap	Deferred Tax Liabilities Property Plant And Equipment DeferredTaxLiabilitiesPropertyPlantAndEquipment	199000	USD
CY2019Q4	us-gaap	Deferred Tax Liabilities Property Plant And Equipment DeferredTaxLiabilitiesPropertyPlantAndEquipment	315000	USD
CY2020Q4	aubn	Deferred Tax Liabilities Unrealized Gains On Available For Sale Securities Gross DeferredTaxLiabilitiesUnrealizedGainsOnAvailableForSaleSecuritiesGross	2548000	USD
CY2019Q4	aubn	Deferred Tax Liabilities Unrealized Gains On Available For Sale Securities Gross DeferredTaxLiabilitiesUnrealizedGainsOnAvailableForSaleSecuritiesGross	690000	USD
CY2020Q4	aubn	Deferred Tax Liabilities Originated Mortgage Servicing Rights DeferredTaxLiabilitiesOriginatedMortgageServicingRights	334000	USD
CY2019Q4	aubn	Deferred Tax Liabilities Originated Mortgage Servicing Rights DeferredTaxLiabilitiesOriginatedMortgageServicingRights	326000	USD
CY2020Q4	aubn	Deferred Tax Liabilities Right Of Use Asset DeferredTaxLiabilitiesRightOfUseAsset	198000	USD
CY2019Q4	aubn	Deferred Tax Liabilities Right Of Use Asset DeferredTaxLiabilitiesRightOfUseAsset	197000	USD
CY2020Q4	us-gaap	Deferred Tax Liabilities Other DeferredTaxLiabilitiesOther	147000	USD
CY2019Q4	us-gaap	Deferred Tax Liabilities Other DeferredTaxLiabilitiesOther	165000	USD
CY2020Q4	us-gaap	Deferred Income Tax Liabilities DeferredIncomeTaxLiabilities	3426000	USD
CY2019Q4	us-gaap	Deferred Income Tax Liabilities DeferredIncomeTaxLiabilities	1693000	USD
CY2020Q4	aubn	Deferred Tax Assets Liabilities Net1 DeferredTaxAssetsLiabilitiesNet1	-1537000	USD
CY2019Q4	aubn	Deferred Tax Assets Liabilities Net1 DeferredTaxAssetsLiabilitiesNet1	-9000	USD
CY2018Q4	aubn	Deferred Tax Assets Liabilities Net1 DeferredTaxAssetsLiabilitiesNet1	1790000	USD
CY2020	aubn	Deferred Tax Benefit Expense Related To Continuing Operations DeferredTaxBenefitExpenseRelatedToContinuingOperations	330000	USD
CY2019	aubn	Deferred Tax Benefit Expense Related To Continuing Operations DeferredTaxBenefitExpenseRelatedToContinuingOperations	153000	USD
CY2020	aubn	Deferred Taxes Stockholders Equity For Change In Accumulated Other Comprehensive Income Loss DeferredTaxesStockholdersEquityForChangeInAccumulatedOtherComprehensiveIncomeLoss	-1858000	USD
CY2019	aubn	Deferred Taxes Stockholders Equity For Change In Accumulated Other Comprehensive Income Loss DeferredTaxesStockholdersEquityForChangeInAccumulatedOtherComprehensiveIncomeLoss	-1952000	USD
CY2020Q4	aubn	Deferred Tax Assets Liabilities Net1 DeferredTaxAssetsLiabilitiesNet1	-1537000	USD
CY2019Q4	aubn	Deferred Tax Assets Liabilities Net1 DeferredTaxAssetsLiabilitiesNet1	-9000	USD
CY2020	us-gaap	Pension Expense PensionExpense	304000	USD
CY2019	us-gaap	Pension Expense PensionExpense	264000	USD
CY2020Q4	aubn	Liability Recorded For Standy Letters Of Credit LiabilityRecordedForStandyLettersOfCredit	25000	USD
CY2019Q4	aubn	Liability Recorded For Standy Letters Of Credit LiabilityRecordedForStandyLettersOfCredit	39000	USD
CY2020Q4	aubn	Commitments Construction Contract CommitmentsConstructionContract	25300000	USD
CY2020	aubn	Loans And Leases Receivable Related Parties Change In Directors And Executive Officers LoansAndLeasesReceivableRelatedPartiesChangeInDirectorsAndExecutiveOfficers	-351000	USD
CY2020Q4	us-gaap	Loans And Leases Receivable Related Parties LoansAndLeasesReceivableRelatedParties	1236000	USD
CY2020Q4	us-gaap	Related Party Deposit Liabilities RelatedPartyDepositLiabilities	18700000	USD
CY2019Q4	us-gaap	Related Party Deposit Liabilities RelatedPartyDepositLiabilities	19100000	USD
CY2019Q4	us-gaap	Loans And Leases Receivable Related Parties LoansAndLeasesReceivableRelatedParties	3149000	USD
CY2020	us-gaap	Loans And Leases Receivable Related Parties Additions LoansAndLeasesReceivableRelatedPartiesAdditions	871000	USD
CY2020	us-gaap	Loans And Leases Receivable Related Parties Proceeds LoansAndLeasesReceivableRelatedPartiesProceeds	2433000	USD
CY2020Q4	aubn	Regulatory Capital Dividends Without Approval Of Regulators RegulatoryCapitalDividendsWithoutApprovalOfRegulators	6800000	USD
CY2020Q4	aubn	Regulatory Capital Restricted Investment From Dividends RegulatoryCapitalRestrictedInvestmentFromDividends	96900000	USD

Files In Submission

Name	View Source	Status
0001193125-21-074880-index-headers.html	Edgar Link	pending
0001193125-21-074880-index.html	Edgar Link	pending
0001193125-21-074880.txt	Edgar Link	pending
0001193125-21-074880-xbrl.zip	Edgar Link	pending
aubn-20201231.xsd	Edgar Link	pending
aubn-20201231_cal.xml	Edgar Link	unprocessable
aubn-20201231_def.xml	Edgar Link	unprocessable
aubn-20201231_lab.xml	Edgar Link	unprocessable
aubn-20201231_pre.xml	Edgar Link	unprocessable
d37829d10k.htm	Edgar Link	pending
d37829d10k_htm.xml	Edgar Link	completed
d37829dex211.htm	Edgar Link	pending
d37829dex311.htm	Edgar Link	pending
d37829dex312.htm	Edgar Link	pending
d37829dex321.htm	Edgar Link	pending
d37829dex322.htm	Edgar Link	pending
d37829dex41.htm	Edgar Link	pending
FilingSummary.xml	Edgar Link	unprocessable
Financial_Report.xlsx	Edgar Link	pending
g37829aubn-20201231p43i0.gif	Edgar Link	pending
g37829aubn-20201231p76i0.gif	Edgar Link	pending
MetaLinks.json	Edgar Link	pending
R1.htm	Edgar Link	pending
R10.htm	Edgar Link	pending
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$AUBN
AUBURN NATIONAL BANCORPORATION, INC Stock $aubn

2021 Q1 Form 10-K Financial Statement

#000119312521074880 Filed on March 09, 2021

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$AUBN AUBURN NATIONAL BANCORPORATION, INC Stock $aubn

2021 Q1 Form 10-K Financial Statement

#000119312521074880 Filed on March 09, 2021

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$AUBN
AUBURN NATIONAL BANCORPORATION, INC Stock $aubn