$AUBN
AUBURN NATIONAL BANCORPORATION, INC Stock $aubn

$aubn Overview Financials Valuation SEC Filings Company Website

2017 Q3 Form 10-Q Financial Statement

#000119312517244318 Filed on August 01, 2017

Income Statement

Concept	2017 Q3	2017 Q2	2016 Q2
Revenue		$7.002M	$6.726M
YoY Change		4.1%	-2.11%
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	$230.0K	$260.0K	$290.0K
YoY Change	-32.35%	-10.34%	-6.45%
% of Gross Profit
Operating Expenses
YoY Change
Operating Profit
YoY Change
Interest Expense	$911.0K	$901.0K	$1.034M
YoY Change	-13.32%	-12.86%	-4.52%
% of Operating Profit
Other Income/Expense, Net
YoY Change
Pretax Income	$3.004M	$2.779M	$2.664M
YoY Change	11.63%	4.32%	-8.95%
Income Tax	$868.0K	$784.0K	$733.0K
% Of Pretax Income	28.89%	28.21%	27.52%
Net Earnings	$2.136M	$1.995M	$1.931M
YoY Change	9.48%	3.31%	-10.19%
Net Earnings / Revenue		28.49%	28.71%
Basic Earnings Per Share
Diluted Earnings Per Share	$587.9K	$549.5K	$530.2K
COMMON SHARES
Basic Shares Outstanding	3.644M shares	3.644M shares	3.644M shares
Diluted Shares Outstanding

Balance Sheet

Concept	2017 Q3	2017 Q2	2016 Q2
SHORT-TERM ASSETS
Cash & Short-Term Investments
YoY Change
Cash & Equivalents
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	$13.80M	$13.00M	$11.70M
YoY Change	8.66%	11.11%	6.36%
Goodwill
YoY Change
Intangibles
YoY Change
Long-Term Investments
YoY Change
Other Assets
YoY Change
Total Long-Term Assets
YoY Change
TOTAL ASSETS
Total Short-Term Assets
Total Long-Term Assets
Total Assets	$828.5M	$836.3M	$846.1M
YoY Change	-2.72%	-1.16%	4.95%
SHORT-TERM LIABILITIES
YoY Change
Accounts Payable
YoY Change
Accrued Expenses	$2.600M	$2.100M	$3.900M
YoY Change	-35.0%	-46.15%	25.81%
Deferred Revenue
YoY Change
Short-Term Debt	$3.600M	$3.500M	$2.600M
YoY Change	2.86%	34.62%	-10.34%
Long-Term Debt Due
YoY Change
Total Short-Term Liabilities	$2.600M	$2.100M	$3.900M
YoY Change	-35.0%	-46.15%	25.81%
LONG-TERM LIABILITIES
Long-Term Debt	$3.200M	$3.200M	$7.200M
YoY Change	-55.56%	-55.56%	0.0%
Other Long-Term Liabilities
YoY Change
Total Long-Term Liabilities	$3.200M	$3.200M	$7.200M
YoY Change	-55.56%	-55.56%	0.0%
TOTAL LIABILITIES
Total Short-Term Liabilities	$2.600M	$2.100M	$3.900M
Total Long-Term Liabilities	$3.200M	$3.200M	$7.200M
Total Liabilities	$742.0M	$751.2M	$761.2M
YoY Change	-3.21%	-1.32%	4.39%
SHAREHOLDERS EQUITY
Retained Earnings			$83.33M
YoY Change
Common Stock			$3.806M
YoY Change
Preferred Stock
YoY Change
Treasury Stock (at cost)			$6.638M
YoY Change
Treasury Stock Shares	313.5K shares	313.5K shares	313.6K shares
Shareholders Equity	$86.50M	$85.10M	$84.80M
YoY Change
Total Liabilities & Shareholders Equity	$828.5M	$836.3M	$846.1M
YoY Change	-2.72%	-1.15%	4.94%

Cashflow Statement

Concept	2017 Q3	2017 Q2	2016 Q2
OPERATING ACTIVITIES
Net Income	$2.136M	$1.995M	$1.931M
YoY Change	9.48%	3.31%	-10.19%
Depreciation, Depletion And Amortization	$230.0K	$260.0K	$290.0K
YoY Change	-32.35%	-10.34%	-6.45%
Cash From Operating Activities	$3.750M	$1.840M	$3.080M
YoY Change	0.27%	-40.26%	29.41%
INVESTING ACTIVITIES
Capital Expenditures	-$930.0K	-$590.0K	-$50.00K
YoY Change	-16.22%	1080.0%	-73.68%
Acquisitions
YoY Change
Other Investing Activities	-$470.0K	-$9.540M	$18.96M
YoY Change	-98.45%	-150.32%	-467.44%
Cash From Investing Activities	-$1.410M	-$10.12M	$18.91M
YoY Change	-95.51%	-153.52%	-454.12%
FINANCING ACTIVITIES
Cash Dividend Paid
YoY Change
Common Stock Issuance & Retirement, Net
YoY Change
Debt Paid & Issued, Net
YoY Change
Cash From Financing Activities	-10.54M	-8.850M	9.450M
YoY Change	-334.74%	-193.65%	-38.72%
NET CHANGE
Cash From Operating Activities	3.750M	1.840M	3.080M
Cash From Investing Activities	-1.410M	-10.12M	18.91M
Cash From Financing Activities	-10.54M	-8.850M	9.450M
Net Change In Cash	-8.200M	-17.13M	31.44M
YoY Change	-64.58%	-154.48%	152.33%
FREE CASH FLOW
Cash From Operating Activities	$3.750M	$1.840M	$3.080M
Capital Expenditures	-$930.0K	-$590.0K	-$50.00K
Free Cash Flow	$4.680M	$2.430M	$3.130M
YoY Change	-3.51%	-22.36%	21.79%

Facts In Submission

Frame	Concept Type	Concept / XBRL Key	Value	Unit
CY2016Q4	aubn	Derivative Notional Amount1 DerivativeNotionalAmount1	7934000	USD
CY2016Q4	us-gaap	Impaired Financing Receivable With No Related Allowance Recorded Investment ImpairedFinancingReceivableWithNoRelatedAllowanceRecordedInvestment	1937000	USD
CY2016Q4	us-gaap	Impaired Financing Receivable With Related Allowance Unpaid Principal Balance ImpairedFinancingReceivableWithRelatedAllowanceUnpaidPrincipalBalance	193000	USD
CY2016Q4	aubn	Impaired Financing Receivable With Related Allowance Charge Off And Payments Applied ImpairedFinancingReceivableWithRelatedAllowanceChargeOffAndPaymentsApplied	0	USD
CY2017Q2	aubn	Derivative Notional Amount1 DerivativeNotionalAmount1	7584000	USD
CY2016Q4	us-gaap	Impaired Financing Receivable Related Allowance ImpairedFinancingReceivableRelatedAllowance	31000	USD
CY2016Q4	us-gaap	Impaired Financing Receivable Unpaid Principal Balance ImpairedFinancingReceivableUnpaidPrincipalBalance	3222000	USD
CY2016Q4	us-gaap	Impaired Financing Receivable Recorded Investment ImpairedFinancingReceivableRecordedInvestment	2130000	USD
CY2016Q4	aubn	Impaired Financing Receivable Charge Off And Payments Applied ImpairedFinancingReceivableChargeOffAndPaymentsApplied	-1092000	USD
CY2016Q4	us-gaap	Impaired Financing Receivable With No Related Allowance Unpaid Principal Balance ImpairedFinancingReceivableWithNoRelatedAllowanceUnpaidPrincipalBalance	3029000	USD
CY2016Q4	us-gaap	Impaired Financing Receivable With Related Allowance Recorded Investment ImpairedFinancingReceivableWithRelatedAllowanceRecordedInvestment	193000	USD
CY2016Q4	aubn	Impaired Financing Receivable With Related Allowance Related Allowance ImpairedFinancingReceivableWithRelatedAllowanceRelatedAllowance	31000	USD
CY2017Q2	us-gaap	Derivative Fair Value Of Derivative Asset DerivativeFairValueOfDerivativeAsset	138000	USD
CY2017Q2	us-gaap	Derivative Asset Fair Value Gross Liability DerivativeAssetFairValueGrossLiability	138000	USD
CY2016Q4	us-gaap	Derivative Fair Value Of Derivative Asset DerivativeFairValueOfDerivativeAsset	241000	USD
CY2016Q4	us-gaap	Derivative Asset Fair Value Gross Liability DerivativeAssetFairValueGrossLiability	241000	USD
CY2017Q2	us-gaap	Loans And Leases Receivable Net Of Deferred Income LoansAndLeasesReceivableNetOfDeferredIncome	437287000	USD
CY2017Q2	us-gaap	Loans Receivable Commercial And Industrial LoansReceivableCommercialAndIndustrial	50974000	USD
CY2017Q2	us-gaap	Loans And Leases Receivable Consumer Installment And Revolving LoansAndLeasesReceivableConsumerInstallmentAndRevolving	9409000	USD
CY2016Q4	us-gaap	Loans And Leases Receivable Consumer Installment And Revolving LoansAndLeasesReceivableConsumerInstallmentAndRevolving	8712000	USD
CY2017Q2	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	85099000	USD
CY2016Q4	aubn	Impaired Financing Receivable With No Related Allowance Charge Off And Payments Applied ImpairedFinancingReceivableWithNoRelatedAllowanceChargeOffAndPaymentsApplied	-1092000	USD
CY2017Q2	us-gaap	Financing Receivable Recorded Investment Current FinancingReceivableRecordedInvestmentCurrent	434157000	USD
CY2016Q4	us-gaap	Loans Receivable Commercial And Industrial LoansReceivableCommercialAndIndustrial	49850000	USD
CY2017Q2	us-gaap	Preferred Stock Par Or Stated Value Per Share PreferredStockParOrStatedValuePerShare	0.01
CY2017Q2	us-gaap	Preferred Stock Shares Authorized PreferredStockSharesAuthorized	200000	shares
CY2017Q2	us-gaap	Preferred Stock Shares Issued PreferredStockSharesIssued	0	shares
CY2017Q2	us-gaap	Common Stock Shares Authorized CommonStockSharesAuthorized	8500000	shares
CY2017Q2	us-gaap	Common Stock Shares Issued CommonStockSharesIssued	3957135	shares
CY2017Q2	us-gaap	Treasury Stock Shares TreasuryStockShares	313492	shares
CY2017Q2	us-gaap	Common Stock Par Or Stated Value Per Share CommonStockParOrStatedValuePerShare	0.01
CY2015Q4	us-gaap	Cash Cash Equivalents And Federal Funds Sold CashCashEquivalentsAndFederalFundsSold	113930000	USD
CY2015Q4	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	79949000	USD
CY2015Q4	us-gaap	Common Stock Shares Outstanding CommonStockSharesOutstanding	3957135	shares
CY2017Q2	aubn	Trust Preferred Issuance Liability Recognized TrustPreferredIssuanceLiabilityRecognized	3217000	USD
CY2017Q2	aubn	Trust Preferred Securities Issued TrustPreferredSecuritiesIssued	7000000	USD
CY2017Q2	aubn	Equity Interest Anb Capital Trust EquityInterestAnbCapitalTrust	200000	USD
CY2017Q2	us-gaap	Available For Sale Securities Pledged As Collateral AvailableForSaleSecuritiesPledgedAsCollateral	166600000	USD
CY2017Q2	us-gaap	Cost Method Investments CostMethodInvestments	1400000	USD
CY2017Q2	aubn	Percentage Of Loans Secured By Real Estate PercentageOfLoansSecuredByRealEstate	0.862	pure
CY2017Q2	aubn	Commercial Real Estate Multifamily CommercialRealEstateMultifamily	47206000	USD
	us-gaap	Dividends Common Stock Cash DividendsCommonStockCash	-1640000	USD
	us-gaap	Stock Repurchased During Period Value StockRepurchasedDuringPeriodValue	0	USD
	us-gaap	Stock Issued During Period Value Treasury Stock Reissued StockIssuedDuringPeriodValueTreasuryStockReissued	1000	USD
	us-gaap	Dividends Common Stock Cash DividendsCommonStockCash	-1676000	USD
	us-gaap	Stock Repurchased During Period Value StockRepurchasedDuringPeriodValue	0	USD
	us-gaap	Stock Issued During Period Value Treasury Stock Reissued StockIssuedDuringPeriodValueTreasuryStockReissued	3000	USD
	us-gaap	Common Stock Dividends Per Share Cash Paid CommonStockDividendsPerShareCashPaid	0.46
	us-gaap	Common Stock Dividends Per Share Cash Paid CommonStockDividendsPerShareCashPaid	0.45
	us-gaap	Stock Issued During Period Shares Treasury Stock Reissued StockIssuedDuringPeriodSharesTreasuryStockReissued	120	shares
	us-gaap	Stock Issued During Period Shares Treasury Stock Reissued StockIssuedDuringPeriodSharesTreasuryStockReissued	25	shares
CY2017Q2	us-gaap	Financing Receivable Allowance For Credit Losses FinancingReceivableAllowanceForCreditLosses	4965000	USD
CY2016Q2	us-gaap	Financing Receivable Allowance For Credit Losses FinancingReceivableAllowanceForCreditLosses	4528000	USD
CY2017Q2	us-gaap	Loans And Leases Receivable Allowance LoansAndLeasesReceivableAllowance	4965000	USD
CY2017Q2	us-gaap	Loans And Leases Receivable Gross Carrying Amount LoansAndLeasesReceivableGrossCarryingAmount	437920000	USD
CY2016Q4	us-gaap	Loans And Leases Receivable Gross Carrying Amount LoansAndLeasesReceivableGrossCarryingAmount	431506000	USD
CY2016Q2	us-gaap	Financing Receivable Allowance For Credit Losses Collectively Evaluated For Impairment FinancingReceivableAllowanceForCreditLossesCollectivelyEvaluatedForImpairment	4431000	USD
CY2016Q2	us-gaap	Financing Receivable Collectively Evaluated For Impairment FinancingReceivableCollectivelyEvaluatedForImpairment	428596000	USD
CY2016Q2	us-gaap	Financing Receivable Allowance For Credit Losses Individually Evaluated For Impairment1 FinancingReceivableAllowanceForCreditLossesIndividuallyEvaluatedForImpairment1	97000	USD
CY2016Q2	us-gaap	Financing Receivable Individually Evaluated For Impairment FinancingReceivableIndividuallyEvaluatedForImpairment	2653000	USD
CY2016Q2	us-gaap	Loans And Leases Receivable Allowance LoansAndLeasesReceivableAllowance	4528000	USD
CY2016Q2	us-gaap	Loans And Leases Receivable Gross Carrying Amount LoansAndLeasesReceivableGrossCarryingAmount	431249000	USD
CY2017Q2	us-gaap	Financing Receivable Allowance For Credit Losses Collectively Evaluated For Impairment FinancingReceivableAllowanceForCreditLossesCollectivelyEvaluatedForImpairment	4943000	USD
CY2017Q2	us-gaap	Financing Receivable Collectively Evaluated For Impairment FinancingReceivableCollectivelyEvaluatedForImpairment	435939000	USD
CY2017Q2	us-gaap	Financing Receivable Allowance For Credit Losses Individually Evaluated For Impairment1 FinancingReceivableAllowanceForCreditLossesIndividuallyEvaluatedForImpairment1	22000	USD
CY2017Q2	us-gaap	Financing Receivable Individually Evaluated For Impairment FinancingReceivableIndividuallyEvaluatedForImpairment	1981000	USD
CY2017Q2	us-gaap	Available For Sale Securities Continuous Unrealized Loss Position Less Than Twelve Months Fair Value AvailableForSaleSecuritiesContinuousUnrealizedLossPositionLessThanTwelveMonthsFairValue	135454000	USD
CY2017Q2	aubn	Available For Sale Securities Continuous Unrealized Loss Position Less Than12 Months Aggregate Losses3 AvailableForSaleSecuritiesContinuousUnrealizedLossPositionLessThan12MonthsAggregateLosses3	2451000	USD
CY2017Q2	us-gaap	Available For Sale Securities Continuous Unrealized Loss Position Twelve Months Or Longer Fair Value AvailableForSaleSecuritiesContinuousUnrealizedLossPositionTwelveMonthsOrLongerFairValue	4501000	USD
CY2017Q2	aubn	Available For Sale Securities Continuous Unrealized Loss Position12 Months Or Longer Aggregate Losses3 AvailableForSaleSecuritiesContinuousUnrealizedLossPosition12MonthsOrLongerAggregateLosses3	100000	USD
CY2017Q2	aubn	Financing Receivable Recorded Investment30 To89 Days Past Due FinancingReceivableRecordedInvestment30To89DaysPastDue	1466000	USD
CY2017Q2	us-gaap	Financing Receivable Recorded Investment90 Days Past Due And Still Accruing FinancingReceivableRecordedInvestment90DaysPastDueAndStillAccruing	42000	USD
CY2017Q2	aubn	Financing Receivable Recorded Investment Total Still Accruing FinancingReceivableRecordedInvestmentTotalStillAccruing	435665000	USD
CY2017Q2	us-gaap	Financing Receivable Recorded Investment Nonaccrual Status FinancingReceivableRecordedInvestmentNonaccrualStatus	2255000	USD
CY2016Q4	us-gaap	Financing Receivable Recorded Investment Current FinancingReceivableRecordedInvestmentCurrent	427094000	USD
CY2016Q4	aubn	Financing Receivable Recorded Investment30 To89 Days Past Due FinancingReceivableRecordedInvestment30To89DaysPastDue	2042000	USD
CY2016Q4	us-gaap	Financing Receivable Recorded Investment90 Days Past Due And Still Accruing FinancingReceivableRecordedInvestment90DaysPastDueAndStillAccruing	0	USD
CY2016Q4	aubn	Financing Receivable Recorded Investment Total Still Accruing FinancingReceivableRecordedInvestmentTotalStillAccruing	429136000	USD
CY2016Q4	us-gaap	Financing Receivable Recorded Investment Nonaccrual Status FinancingReceivableRecordedInvestmentNonaccrualStatus	2370000	USD
CY2017Q2	aubn	Loans And Leases Receivable Deferred Income1 LoansAndLeasesReceivableDeferredIncome1	633000	USD
CY2016Q4	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	82177000	USD
CY2017Q2	us-gaap	Common Stock Shares Outstanding CommonStockSharesOutstanding	3957135	shares
CY2016Q4	us-gaap	Common Stock Shares Outstanding CommonStockSharesOutstanding	3957135	shares
CY2016Q4	aubn	Available For Sale Securities Continuous Unrealized Loss Position Aggregate Losses3 AvailableForSaleSecuritiesContinuousUnrealizedLossPositionAggregateLosses3	3512000	USD
CY2016Q4	aubn	Available For Sale Securities Continuous Unrealized Loss Position12 Months Or Longer Aggregate Losses3 AvailableForSaleSecuritiesContinuousUnrealizedLossPosition12MonthsOrLongerAggregateLosses3	0	USD
CY2016Q4	aubn	Available For Sale Securities Continuous Unrealized Loss Position Less Than12 Months Aggregate Losses3 AvailableForSaleSecuritiesContinuousUnrealizedLossPositionLessThan12MonthsAggregateLosses3	3512000	USD
CY2017Q2	us-gaap	Available For Sale Securities Debt Maturities Within One Year Fair Value AvailableForSaleSecuritiesDebtMaturitiesWithinOneYearFairValue	2990000	USD
CY2017Q2	us-gaap	Available For Sale Securities Debt Maturities After One Through Five Years Fair Value AvailableForSaleSecuritiesDebtMaturitiesAfterOneThroughFiveYearsFairValue	32349000	USD
CY2017Q2	us-gaap	Available For Sale Securities Debt Maturities After Five Through Ten Years Fair Value AvailableForSaleSecuritiesDebtMaturitiesAfterFiveThroughTenYearsFairValue	55365000	USD
CY2017Q2	us-gaap	Available For Sale Securities Debt Maturities After Ten Years Fair Value AvailableForSaleSecuritiesDebtMaturitiesAfterTenYearsFairValue	186659000	USD
CY2017Q2	aubn	Available For Sale Securities Fair Value AvailableForSaleSecuritiesFairValue	277363000	USD
CY2017Q2	aubn	Available For Sale Securities Gross Unrealized Gains2 AvailableForSaleSecuritiesGrossUnrealizedGains2	2553000	USD
CY2017Q2	aubn	Available For Sale Securities Gross Unrealized Losses AvailableForSaleSecuritiesGrossUnrealizedLosses	2551000	USD
CY2017Q2	us-gaap	Available For Sale Securities Amortized Cost AvailableForSaleSecuritiesAmortizedCost	277361000	USD
CY2016Q4	us-gaap	Available For Sale Securities Debt Maturities Within One Year Fair Value AvailableForSaleSecuritiesDebtMaturitiesWithinOneYearFairValue	3047000	USD
CY2016Q4	us-gaap	Available For Sale Securities Debt Maturities After One Through Five Years Fair Value AvailableForSaleSecuritiesDebtMaturitiesAfterOneThroughFiveYearsFairValue	25983000	USD
CY2016Q4	us-gaap	Available For Sale Securities Debt Maturities After Five Through Ten Years Fair Value AvailableForSaleSecuritiesDebtMaturitiesAfterFiveThroughTenYearsFairValue	46274000	USD
CY2016Q4	us-gaap	Available For Sale Securities Debt Maturities After Ten Years Fair Value AvailableForSaleSecuritiesDebtMaturitiesAfterTenYearsFairValue	168268000	USD
CY2016Q4	aubn	Available For Sale Securities Fair Value AvailableForSaleSecuritiesFairValue	243572000	USD
CY2016Q4	aubn	Available For Sale Securities Gross Unrealized Gains2 AvailableForSaleSecuritiesGrossUnrealizedGains2	2391000	USD
CY2016Q4	aubn	Available For Sale Securities Gross Unrealized Losses AvailableForSaleSecuritiesGrossUnrealizedLosses	3512000	USD
CY2016Q4	us-gaap	Available For Sale Securities Amortized Cost AvailableForSaleSecuritiesAmortizedCost	244693000	USD
CY2016Q2	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	84808000	USD
CY2016Q2	us-gaap	Common Stock Shares Outstanding CommonStockSharesOutstanding	3957135	shares
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CY2016Q4	us-gaap	Preferred Stock Shares Issued PreferredStockSharesIssued	0	shares
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CY2016Q4	aubn	Commercial Real Estate Multifamily CommercialRealEstateMultifamily	46998000	USD
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	us-gaap	Other Interest And Dividend Income OtherInterestAndDividendIncome	383000	USD
	us-gaap	Other Interest And Dividend Income OtherInterestAndDividendIncome	282000	USD
CY2017Q2	us-gaap	Interest And Dividend Income Operating InterestAndDividendIncomeOperating	7002000	USD
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CY2017Q2	aubn	Impaired Financing Receivable Troubled Debt Restructuring Still Accruing ImpairedFinancingReceivableTroubledDebtRestructuringStillAccruing	184000	USD
CY2017Q2	aubn	Impaired Financing Receivable Troubled Debt Restructuring Nonaccrual ImpairedFinancingReceivableTroubledDebtRestructuringNonaccrual	1735000	USD
CY2017Q2	aubn	Impaired Financing Receivable Trouble Debt Structuring ImpairedFinancingReceivableTroubleDebtStructuring	1919000	USD
CY2017Q2	aubn	Impaired Financing Receivable Troubled Debt Restructuring Allowance For Credit Losses ImpairedFinancingReceivableTroubledDebtRestructuringAllowanceForCreditLosses	22000	USD
CY2016Q4	aubn	Impaired Financing Receivable Troubled Debt Restructuring Still Accruing ImpairedFinancingReceivableTroubledDebtRestructuringStillAccruing	208000	USD
CY2016Q4	aubn	Impaired Financing Receivable Troubled Debt Restructuring Nonaccrual ImpairedFinancingReceivableTroubledDebtRestructuringNonaccrual	1850000	USD
CY2016Q4	aubn	Impaired Financing Receivable Trouble Debt Structuring ImpairedFinancingReceivableTroubleDebtStructuring	2058000	USD
CY2016Q4	aubn	Impaired Financing Receivable Troubled Debt Restructuring Allowance For Credit Losses ImpairedFinancingReceivableTroubledDebtRestructuringAllowanceForCreditLosses	31000	USD
CY2017Q2	us-gaap	Interest And Fee Income Loans And Leases InterestAndFeeIncomeLoansAndLeases	5121000	USD
CY2016Q2	us-gaap	Interest And Fee Income Loans And Leases InterestAndFeeIncomeLoansAndLeases	5172000	USD
	us-gaap	Interest And Fee Income Loans And Leases InterestAndFeeIncomeLoansAndLeases	10102000	USD
	us-gaap	Interest And Fee Income Loans And Leases InterestAndFeeIncomeLoansAndLeases	10268000	USD
CY2017Q2	us-gaap	Interest Income Securities Taxable InterestIncomeSecuritiesTaxable	1112000	USD
CY2016Q2	us-gaap	Interest Income Securities Taxable InterestIncomeSecuritiesTaxable	775000	USD
	us-gaap	Interest Income Securities Taxable InterestIncomeSecuritiesTaxable	2133000	USD
	us-gaap	Interest Income Securities Taxable InterestIncomeSecuritiesTaxable	1673000	USD
CY2017Q2	us-gaap	Interest Income Securities Tax Exempt InterestIncomeSecuritiesTaxExempt	587000	USD
CY2016Q2	us-gaap	Interest Income Securities Tax Exempt InterestIncomeSecuritiesTaxExempt	623000	USD
	us-gaap	Interest Income Securities Tax Exempt InterestIncomeSecuritiesTaxExempt	1168000	USD
	us-gaap	Interest Income Securities Tax Exempt InterestIncomeSecuritiesTaxExempt	1248000	USD
CY2017Q2	us-gaap	Other Interest And Dividend Income OtherInterestAndDividendIncome	182000	USD
CY2016Q2	us-gaap	Interest And Dividend Income Operating InterestAndDividendIncomeOperating	6726000	USD
	us-gaap	Interest And Dividend Income Operating InterestAndDividendIncomeOperating	13786000	USD
	us-gaap	Interest And Dividend Income Operating InterestAndDividendIncomeOperating	13471000	USD
CY2017Q2	us-gaap	Interest Expense Deposits InterestExpenseDeposits	866000	USD
CY2016Q2	us-gaap	Interest Expense Deposits InterestExpenseDeposits	967000	USD
	us-gaap	Interest Expense Deposits InterestExpenseDeposits	1728000	USD
	us-gaap	Interest Expense Deposits InterestExpenseDeposits	1948000	USD
CY2017Q2	us-gaap	Interest Expense Short Term Borrowings InterestExpenseShortTermBorrowings	5000	USD
CY2016Q2	us-gaap	Interest Expense Short Term Borrowings InterestExpenseShortTermBorrowings	3000	USD
	us-gaap	Interest Expense Short Term Borrowings InterestExpenseShortTermBorrowings	9000	USD
	us-gaap	Interest Expense Short Term Borrowings InterestExpenseShortTermBorrowings	7000	USD
CY2017Q2	us-gaap	Interest Expense Long Term Debt And Capital Securities InterestExpenseLongTermDebtAndCapitalSecurities	30000	USD
CY2016Q2	us-gaap	Interest Expense Long Term Debt And Capital Securities InterestExpenseLongTermDebtAndCapitalSecurities	64000	USD
	us-gaap	Interest Expense Long Term Debt And Capital Securities InterestExpenseLongTermDebtAndCapitalSecurities	59000	USD
	us-gaap	Interest Expense Long Term Debt And Capital Securities InterestExpenseLongTermDebtAndCapitalSecurities	127000	USD
CY2017Q2	us-gaap	Interest Expense InterestExpense	901000	USD
CY2016Q2	us-gaap	Interest Expense InterestExpense	1034000	USD
	us-gaap	Interest Expense InterestExpense	1796000	USD
	us-gaap	Interest Expense InterestExpense	2082000	USD
CY2017Q2	us-gaap	Interest Income Expense Net InterestIncomeExpenseNet	6101000	USD
CY2016Q2	us-gaap	Interest Income Expense Net InterestIncomeExpenseNet	5692000	USD
	us-gaap	Interest Income Expense Net InterestIncomeExpenseNet	11990000	USD
	us-gaap	Interest Income Expense Net InterestIncomeExpenseNet	11389000	USD
CY2017Q2	us-gaap	Interest Income Expense After Provision For Loan Loss InterestIncomeExpenseAfterProvisionForLoanLoss	6001000	USD
CY2016Q2	us-gaap	Interest Income Expense After Provision For Loan Loss InterestIncomeExpenseAfterProvisionForLoanLoss	5692000	USD
	us-gaap	Interest Income Expense After Provision For Loan Loss InterestIncomeExpenseAfterProvisionForLoanLoss	11890000	USD
	us-gaap	Interest Income Expense After Provision For Loan Loss InterestIncomeExpenseAfterProvisionForLoanLoss	11989000	USD
CY2017Q2	us-gaap	Fees And Commissions Depositor Accounts FeesAndCommissionsDepositorAccounts	183000	USD
CY2016Q2	us-gaap	Fees And Commissions Depositor Accounts FeesAndCommissionsDepositorAccounts	193000	USD
	us-gaap	Fees And Commissions Depositor Accounts FeesAndCommissionsDepositorAccounts	372000	USD
	us-gaap	Fees And Commissions Depositor Accounts FeesAndCommissionsDepositorAccounts	391000	USD
CY2017Q1	us-gaap	Valuation Allowance For Impairment Of Recognized Servicing Assets Balance ValuationAllowanceForImpairmentOfRecognizedServicingAssetsBalance	0	USD
CY2017Q2	us-gaap	Impaired Financing Receivable Average Recorded Investment ImpairedFinancingReceivableAverageRecordedInvestment	2024000	USD
	us-gaap	Impaired Financing Receivable Average Recorded Investment ImpairedFinancingReceivableAverageRecordedInvestment	2061000	USD
	us-gaap	Impaired Financing Receivable Interest Income Accrual Method ImpairedFinancingReceivableInterestIncomeAccrualMethod	5000	USD
CY2016Q2	us-gaap	Impaired Financing Receivable Average Recorded Investment ImpairedFinancingReceivableAverageRecordedInvestment	2804000	USD
CY2017Q2	us-gaap	Gain Loss On Sales Of Loans Net GainLossOnSalesOfLoansNet	139000	USD
CY2016Q2	us-gaap	Gain Loss On Sales Of Loans Net GainLossOnSalesOfLoansNet	315000	USD
	us-gaap	Gain Loss On Sales Of Loans Net GainLossOnSalesOfLoansNet	304000	USD
	us-gaap	Gain Loss On Sales Of Loans Net GainLossOnSalesOfLoansNet	494000	USD
CY2017Q2	us-gaap	Bank Owned Life Insurance Income BankOwnedLifeInsuranceIncome	110000	USD
CY2016Q2	us-gaap	Bank Owned Life Insurance Income BankOwnedLifeInsuranceIncome	113000	USD
	us-gaap	Bank Owned Life Insurance Income BankOwnedLifeInsuranceIncome	217000	USD
	us-gaap	Bank Owned Life Insurance Income BankOwnedLifeInsuranceIncome	225000	USD
CY2017Q2	us-gaap	Noninterest Income Other NoninterestIncomeOther	361000	USD
CY2016Q2	us-gaap	Noninterest Income Other NoninterestIncomeOther	372000	USD
	us-gaap	Noninterest Income Other NoninterestIncomeOther	734000	USD
	us-gaap	Noninterest Income Other NoninterestIncomeOther	717000	USD
CY2017Q2	us-gaap	Gain Loss On Sale Of Securities Net GainLossOnSaleOfSecuritiesNet	0	USD
CY2016Q2	us-gaap	Gain Loss On Sale Of Securities Net GainLossOnSaleOfSecuritiesNet	0	USD
	us-gaap	Gain Loss On Sale Of Securities Net GainLossOnSaleOfSecuritiesNet	2000	USD
	us-gaap	Gain Loss On Sale Of Securities Net GainLossOnSaleOfSecuritiesNet	0	USD
CY2017Q2	us-gaap	Noninterest Income NoninterestIncome	793000	USD
CY2016Q2	us-gaap	Noninterest Income NoninterestIncome	993000	USD
	us-gaap	Noninterest Income NoninterestIncome	1629000	USD
	us-gaap	Noninterest Income NoninterestIncome	1827000	USD
CY2017Q2	us-gaap	Labor And Related Expense LaborAndRelatedExpense	2392000	USD
CY2016Q2	us-gaap	Labor And Related Expense LaborAndRelatedExpense	2446000	USD
	us-gaap	Labor And Related Expense LaborAndRelatedExpense	4773000	USD
	us-gaap	Labor And Related Expense LaborAndRelatedExpense	4851000	USD
CY2017Q2	us-gaap	Occupancy Net OccupancyNet	351000	USD
CY2016Q2	us-gaap	Occupancy Net OccupancyNet	358000	USD
	us-gaap	Occupancy Net OccupancyNet	732000	USD
	us-gaap	Occupancy Net OccupancyNet	718000	USD
CY2017Q2	us-gaap	Professional Fees ProfessionalFees	254000	USD
CY2016Q2	us-gaap	Professional Fees ProfessionalFees	194000	USD
	us-gaap	Professional Fees ProfessionalFees	484000	USD
	us-gaap	Professional Fees ProfessionalFees	405000	USD
CY2017Q2	aubn	Fdic And Other Regulatory Assessments FdicAndOtherRegulatoryAssessments	89000	USD
CY2016Q2	aubn	Fdic And Other Regulatory Assessments FdicAndOtherRegulatoryAssessments	122000	USD
	aubn	Fdic And Other Regulatory Assessments FdicAndOtherRegulatoryAssessments	178000	USD
	aubn	Fdic And Other Regulatory Assessments FdicAndOtherRegulatoryAssessments	244000	USD
CY2017Q2	us-gaap	Other Noninterest Expense OtherNoninterestExpense	929000	USD
CY2016Q2	us-gaap	Other Noninterest Expense OtherNoninterestExpense	901000	USD
	us-gaap	Other Noninterest Expense OtherNoninterestExpense	1966000	USD
	us-gaap	Other Noninterest Expense OtherNoninterestExpense	1912000	USD
CY2017Q2	us-gaap	Noninterest Expense NoninterestExpense	4015000	USD
CY2016Q2	us-gaap	Noninterest Expense NoninterestExpense	4021000	USD
	us-gaap	Noninterest Expense NoninterestExpense	8133000	USD
	us-gaap	Noninterest Expense NoninterestExpense	8130000	USD
CY2017Q2	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	2779000	USD
CY2016Q2	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	2664000	USD
	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	5386000	USD
	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	5686000	USD
CY2017Q2	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	784000	USD
CY2016Q2	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	733000	USD
	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	1501000	USD
	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	1564000	USD
CY2017Q2	aubn	Basic And Diluted Weighted Average Shares Outstanding BasicAndDilutedWeightedAverageSharesOutstanding	3643593	shares
CY2016Q2	aubn	Basic And Diluted Weighted Average Shares Outstanding BasicAndDilutedWeightedAverageSharesOutstanding	3643503	shares
	aubn	Basic And Diluted Weighted Average Shares Outstanding BasicAndDilutedWeightedAverageSharesOutstanding	3643567	shares
CY2017Q2	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Net Of Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax	573000	USD
	aubn	Basic And Diluted Weighted Average Shares Outstanding BasicAndDilutedWeightedAverageSharesOutstanding	3643493	shares
CY2016Q2	us-gaap	Impaired Financing Receivable Interest Income Accrual Method ImpairedFinancingReceivableInterestIncomeAccrualMethod	12000	USD
CY2016Q2	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Net Of Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax	810000	USD
	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Net Of Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax	711000	USD
	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Net Of Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax	2376000	USD
CY2017Q2	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci For Sale Of Securities Net Of Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesNetOfTax	0	USD
CY2016Q2	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci For Sale Of Securities Net Of Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesNetOfTax	0	USD
	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci For Sale Of Securities Net Of Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesNetOfTax	1000	USD
	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci For Sale Of Securities Net Of Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesNetOfTax	0	USD
CY2017Q2	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	2568000	USD
CY2016Q2	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	2741000	USD
	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	4595000	USD
	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	6498000	USD
	us-gaap	Nature Of Operations NatureOfOperations	<div><p style='text-align:center;margin-top:0pt;margin-bottom:0pt;line-height:12pt;' ><font style='font-family:Times New Roman;font-size:10pt;font-weight:bold;margin-left:0pt;' >AUBURN NATIONAL BANCORPORATION, INC. AND SUBSIDIARIES</font></p><p style='text-align:center;margin-top:0pt;margin-bottom:0pt;line-height:12pt;' ><font style='font-family:Times New Roman;font-size:10pt;font-weight:bold;margin-left:0pt;' >Notes to Consolidated Financial Statements </font></p><p style='text-align:center;margin-top:0pt;margin-bottom:0pt;line-height:12pt;' ><font style='font-family:Times New Roman;font-size:10pt;font-weight:bold;margin-left:0pt;' >(Unaudited)</font></p><p style='text-align:justify;line-height:12pt;' ></p><p style='text-align:justify;margin-top:0pt;margin-bottom:0pt;line-height:12pt;' ><font style='font-family:Times New Roman;font-size:10pt;font-weight:bold;margin-left:0pt;' >NOTE </font><font style='font-family:Times New Roman;font-size:10pt;font-weight:bold;background-color:#FFFF00;' >1</font><font style='font-family:Times New Roman;font-size:10pt;font-weight:bold;' >: SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES</font></p><p style='text-align:justify;line-height:12pt;' ></p><p style='text-align:justify;margin-top:0pt;margin-bottom:0pt;line-height:12pt;' ><font style='font-family:Times New Roman;font-size:10pt;font-weight:bold;margin-left:0pt;' >General</font></p><p style='text-align:justify;line-height:12pt;' ></p><p style='text-align:left;margin-top:0pt;margin-bottom:0pt;line-height:12pt;' ><font style='font-family:Times New Roman;font-size:10pt;margin-left:0pt;' >Auburn National Bancorporation, Inc. (the “Company”) provides a full range of </font><font style='font-family:Times New Roman;font-size:10pt;' >banking services to individual and corporate customers in Lee County, Alabama and surrounding counties through its wholly owned subsidiary, AuburnBank (the “Bank”). The Company does not have any segments other than banking that are considered material.</font></p><p style='text-align:justify;line-height:12pt;' ></p></div>
	us-gaap	Basis Of Accounting BasisOfAccounting	<div><p style='text-align:justify;margin-top:0pt;margin-bottom:0pt;line-height:12pt;' ><font style='font-family:Times New Roman;font-size:10pt;font-weight:bold;margin-left:0pt;' >Ba</font><font style='font-family:Times New Roman;font-size:10pt;font-weight:bold;' >sis of Presentation and Use of Estimates</font></p><p style='text-align:justify;line-height:12pt;' ></p><p style='text-align:left;margin-top:0pt;margin-bottom:0pt;line-height:12pt;' ><font style='font-family:Times New Roman;font-size:10pt;margin-left:0pt;' >The unaudited consolidated financial statements in this report have been prepared in accordance with U.S. generally accepted accounting principles (“GAAP”) for interim financial information. Accordingly, these fin</font><font style='font-family:Times New Roman;font-size:10pt;' >ancial statements do not include all of the information and footnotes required by U.S. GAAP for complete financial statements. The unaudited consolidated financial statements include, in the opinion of management, all adjustments necessary to present a fa</font><font style='font-family:Times New Roman;font-size:10pt;' >ir statement of the financial position and the results of operations for all periods presented. All such adjustments are of a normal recurring nature. The results of operations in the interim statements are not necessarily indicative of the results of oper</font><font style='font-family:Times New Roman;font-size:10pt;' >ations that the Company and its subsidiaries may achieve for future interim periods or the entire year. For further information, refer to the consolidated financial statements and footnotes included in the Company's Annual Report on Form 10-K for the year </font><font style='font-family:Times New Roman;font-size:10pt;' >ended </font><font style='font-family:Times New Roman;font-size:10pt;background-color:#FFFF00;' >December 31,</font><font style='font-family:Times New Roman;font-size:10pt;background-color:#FFFF00;' > </font><font style='font-family:Times New Roman;font-size:10pt;background-color:#FFFF00;' >2016</font><font style='font-family:Times New Roman;font-size:10pt;background-color:#FFFF00;' >.</font></p><p style='text-align:left;line-height:12pt;' ></p></div>
	us-gaap	Use Of Estimates UseOfEstimates	<div><p style='text-align:left;margin-top:0pt;margin-bottom:0pt;line-height:12pt;' ><font style='font-family:Times New Roman;font-size:10pt;margin-left:0pt;' >The preparation of financial statements in conformity with U.S. GAAP requires management t</font><font style='font-family:Times New Roman;font-size:10pt;' >o make estimates and assumptions that affect the reported amounts of assets and liabilities and disclosures of contingent assets and liabilities as of the balance sheet date and the reported amounts of revenues and expenses during the reporting period. Ac</font><font style='font-family:Times New Roman;font-size:10pt;' >tual results could differ from those estimates. Material estimates that are particularly susceptible to significant change in the near term include other-than-temporary impairment on investment securities, the determination of the allowance for loan losse</font><font style='font-family:Times New Roman;font-size:10pt;' >s, fair value of financial instruments, and the valuation of deferred tax assets and other real estate owned.</font></p><p style='text-align:left;line-height:12pt;' ></p></div>
CY2017Q2	us-gaap	Earnings Per Share Basic And Diluted EarningsPerShareBasicAndDiluted	0.55
CY2016Q2	us-gaap	Earnings Per Share Basic And Diluted EarningsPerShareBasicAndDiluted	0.53
	us-gaap	Earnings Per Share Basic And Diluted EarningsPerShareBasicAndDiluted	1.07
	us-gaap	Earnings Per Share Basic And Diluted EarningsPerShareBasicAndDiluted	1.13
CY2017Q2	us-gaap	Available For Sale Securities Gross Realized Gains AvailableForSaleSecuritiesGrossRealizedGains	0	USD
	us-gaap	Financing Receivable Allowance For Credit Losses Write Offs FinancingReceivableAllowanceForCreditLossesWriteOffs	460000	USD
CY2016Q2	us-gaap	Available For Sale Securities Gross Realized Gains AvailableForSaleSecuritiesGrossRealizedGains	0	USD
	us-gaap	Available For Sale Securities Gross Realized Gains AvailableForSaleSecuritiesGrossRealizedGains	2000	USD
	us-gaap	Available For Sale Securities Gross Realized Gains AvailableForSaleSecuritiesGrossRealizedGains	0	USD
CY2017Q2	us-gaap	Available For Sale Securities Gross Realized Losses AvailableForSaleSecuritiesGrossRealizedLosses	0	USD
CY2016Q2	us-gaap	Available For Sale Securities Gross Realized Losses AvailableForSaleSecuritiesGrossRealizedLosses	0	USD
	us-gaap	Available For Sale Securities Gross Realized Losses AvailableForSaleSecuritiesGrossRealizedLosses	0	USD
	us-gaap	Available For Sale Securities Gross Realized Losses AvailableForSaleSecuritiesGrossRealizedLosses	0	USD
CY2017Q2	us-gaap	Available For Sale Securities Gross Realized Gain Loss Net AvailableForSaleSecuritiesGrossRealizedGainLossNet	0	USD
CY2016Q2	us-gaap	Available For Sale Securities Gross Realized Gain Loss Net AvailableForSaleSecuritiesGrossRealizedGainLossNet	0	USD
	us-gaap	Available For Sale Securities Gross Realized Gain Loss Net AvailableForSaleSecuritiesGrossRealizedGainLossNet	2000	USD
	us-gaap	Available For Sale Securities Gross Realized Gain Loss Net AvailableForSaleSecuritiesGrossRealizedGainLossNet	0	USD
CY2016Q1	us-gaap	Servicing Asset At Amortized Value ServicingAssetAtAmortizedValue	2235000	USD
CY2015Q4	us-gaap	Servicing Asset At Amortized Value ServicingAssetAtAmortizedValue	2316000	USD
CY2016Q4	us-gaap	Servicing Asset At Amortized Value ServicingAssetAtAmortizedValue	1952000	USD
CY2017Q2	us-gaap	Servicing Asset At Amortized Value ServicingAssetAtAmortizedValue	1762000	USD
CY2015Q4	us-gaap	Valuation Allowance For Impairment Of Recognized Servicing Assets Balance ValuationAllowanceForImpairmentOfRecognizedServicingAssetsBalance	0	USD
CY2016Q1	us-gaap	Valuation Allowance For Impairment Of Recognized Servicing Assets Balance ValuationAllowanceForImpairmentOfRecognizedServicingAssetsBalance	0	USD
CY2016Q4	us-gaap	Valuation Allowance For Impairment Of Recognized Servicing Assets Balance ValuationAllowanceForImpairmentOfRecognizedServicingAssetsBalance	1000	USD
CY2017Q2	us-gaap	Valuation Allowance For Impairment Of Recognized Servicing Assets Balance ValuationAllowanceForImpairmentOfRecognizedServicingAssetsBalance	0	USD
CY2015Q4	us-gaap	Servicing Asset At Amortized Value Fair Value ServicingAssetAtAmortizedValueFairValue	3086000	USD
CY2016Q1	us-gaap	Servicing Asset At Amortized Value Fair Value ServicingAssetAtAmortizedValueFairValue	2906000	USD
CY2016Q2	us-gaap	Servicing Asset At Amortized Value Fair Value ServicingAssetAtAmortizedValueFairValue	2539000	USD
CY2017Q2	us-gaap	Servicing Asset At Amortized Value Fair Value ServicingAssetAtAmortizedValueFairValue	2520000	USD
CY2017Q2	us-gaap	Servicing Asset At Amortized Value Additions ServicingAssetAtAmortizedValueAdditions	40000	USD
CY2016Q2	us-gaap	Servicing Asset At Amortized Value Additions ServicingAssetAtAmortizedValueAdditions	88000	USD
	us-gaap	Servicing Asset At Amortized Value Additions ServicingAssetAtAmortizedValueAdditions	93000	USD
	us-gaap	Servicing Asset At Amortized Value Additions ServicingAssetAtAmortizedValueAdditions	145000	USD
CY2017Q2	aubn	Servicing Asset At Amortized Value Valuation Allowance1 ServicingAssetAtAmortizedValueValuationAllowance1	0	USD
CY2016Q2	aubn	Servicing Asset At Amortized Value Valuation Allowance1 ServicingAssetAtAmortizedValueValuationAllowance1	-1000	USD
	aubn	Servicing Asset At Amortized Value Valuation Allowance1 ServicingAssetAtAmortizedValueValuationAllowance1	1000	USD
	aubn	Servicing Asset At Amortized Value Valuation Allowance1 ServicingAssetAtAmortizedValueValuationAllowance1	-1000	USD
CY2016Q2	us-gaap	Servicing Asset At Amortized Value ServicingAssetAtAmortizedValue	2146000	USD
CY2017Q2	us-gaap	Financing Receivable Allowance For Credit Losses Write Offs FinancingReceivableAllowanceForCreditLossesWriteOffs	5000	USD
CY2017Q2	us-gaap	Financing Receivable Allowance For Credit Losses Recovery FinancingReceivableAllowanceForCreditLossesRecovery	282000	USD
CY2017Q2	aubn	Financing Receivable Allowance For Credit Losses Net Chargeoffs Recoveries FinancingReceivableAllowanceForCreditLossesNetChargeoffsRecoveries	277000	USD
CY2017Q2	us-gaap	Provision For Loan Lease And Other Losses ProvisionForLoanLeaseAndOtherLosses	100000	USD
CY2016Q2	us-gaap	Financing Receivable Allowance For Credit Losses Write Offs FinancingReceivableAllowanceForCreditLossesWriteOffs	316000	USD
CY2016Q2	us-gaap	Financing Receivable Allowance For Credit Losses Recovery FinancingReceivableAllowanceForCreditLossesRecovery	70000	USD
CY2016Q2	aubn	Financing Receivable Allowance For Credit Losses Net Chargeoffs Recoveries FinancingReceivableAllowanceForCreditLossesNetChargeoffsRecoveries	-246000	USD
CY2016Q2	us-gaap	Provision For Loan Lease And Other Losses ProvisionForLoanLeaseAndOtherLosses	0	USD
	us-gaap	Financing Receivable Allowance For Credit Losses Write Offs FinancingReceivableAllowanceForCreditLossesWriteOffs	84000	USD
	us-gaap	Financing Receivable Allowance For Credit Losses Recovery FinancingReceivableAllowanceForCreditLossesRecovery	306000	USD
	aubn	Financing Receivable Allowance For Credit Losses Net Chargeoffs Recoveries FinancingReceivableAllowanceForCreditLossesNetChargeoffsRecoveries	222000	USD
	us-gaap	Provision For Loan Lease And Other Losses ProvisionForLoanLeaseAndOtherLosses	100000	USD
	us-gaap	Financing Receivable Allowance For Credit Losses Recovery FinancingReceivableAllowanceForCreditLossesRecovery	1299000	USD
	aubn	Financing Receivable Allowance For Credit Losses Net Chargeoffs Recoveries FinancingReceivableAllowanceForCreditLossesNetChargeoffsRecoveries	839000	USD
	us-gaap	Provision For Loan Lease And Other Losses ProvisionForLoanLeaseAndOtherLosses	-600000	USD
CY2015Q4	us-gaap	Financing Receivable Allowance For Credit Losses FinancingReceivableAllowanceForCreditLosses	4289000	USD
CY2016Q1	us-gaap	Financing Receivable Allowance For Credit Losses FinancingReceivableAllowanceForCreditLosses	4774000	USD
CY2017Q1	us-gaap	Financing Receivable Allowance For Credit Losses FinancingReceivableAllowanceForCreditLosses	4588000	USD
	dei	Entity Central Index Key EntityCentralIndexKey	0000750574
	dei	Entity Current Reporting Status EntityCurrentReportingStatus	Yes
	dei	Entity Filer Category EntityFilerCategory	Smaller Reporting Company
	dei	Entity Registrant Name EntityRegistrantName	Auburn National Bancorporation, Inc
	dei	Trading Symbol TradingSymbol	AUBN
	dei	Entity Voluntary Filers EntityVoluntaryFilers	No
	dei	Entity Well Known Seasoned Issuer EntityWellKnownSeasonedIssuer	No
	dei	Current Fiscal Year End Date CurrentFiscalYearEndDate	--12-31
	dei	Amendment Flag AmendmentFlag	false
	dei	Document Type DocumentType	10-Q
	dei	Document Fiscal Year Focus DocumentFiscalYearFocus	2017
	dei	Document Fiscal Period Focus DocumentFiscalPeriodFocus	Q2
	dei	Document Period End Date DocumentPeriodEndDate	2017-06-30
CY2017Q2	us-gaap	Impaired Financing Receivable Interest Income Accrual Method ImpairedFinancingReceivableInterestIncomeAccrualMethod	2000	USD
	us-gaap	Impaired Financing Receivable Average Recorded Investment ImpairedFinancingReceivableAverageRecordedInvestment	2911000	USD
	us-gaap	Impaired Financing Receivable Interest Income Accrual Method ImpairedFinancingReceivableInterestIncomeAccrualMethod	28000	USD
CY2017Q1	us-gaap	Servicing Asset At Amortized Value Fair Value ServicingAssetAtAmortizedValueFairValue	2689000	USD
CY2017Q3	dei	Entity Common Stock Shares Outstanding EntityCommonStockSharesOutstanding	3643643	shares
	us-gaap	Provision For Loan And Lease Losses ProvisionForLoanAndLeaseLosses	100000	USD
	us-gaap	Provision For Loan And Lease Losses ProvisionForLoanAndLeaseLosses	-600000	USD
	us-gaap	Depreciation And Amortization DepreciationAndAmortization	536000	USD
	us-gaap	Depreciation And Amortization DepreciationAndAmortization	544000	USD
	us-gaap	Accretion Amortization Of Discounts And Premiums Investments AccretionAmortizationOfDiscountsAndPremiumsInvestments	-1058000	USD
	us-gaap	Accretion Amortization Of Discounts And Premiums Investments AccretionAmortizationOfDiscountsAndPremiumsInvestments	-692000	USD
	us-gaap	Gain Loss On Investments GainLossOnInvestments	2000	USD
	us-gaap	Gain Loss On Investments GainLossOnInvestments	0	USD
	us-gaap	Gain Loss On Sale Of Mortgage Loans GainLossOnSaleOfMortgageLoans	176000	USD
	us-gaap	Gain Loss On Sale Of Mortgage Loans GainLossOnSaleOfMortgageLoans	367000	USD
	us-gaap	Valuation Allowance For Impairment Of Recognized Servicing Assets Provisions Recoveries ValuationAllowanceForImpairmentOfRecognizedServicingAssetsProvisionsRecoveries	-1000	USD
	us-gaap	Valuation Allowance For Impairment Of Recognized Servicing Assets Provisions Recoveries ValuationAllowanceForImpairmentOfRecognizedServicingAssetsProvisionsRecoveries	1000	USD
	aubn	Net Loss Gain On Other Real Estate NetLossGainOnOtherRealEstate	11000	USD
	aubn	Net Loss Gain On Other Real Estate NetLossGainOnOtherRealEstate	43000	USD
	us-gaap	Payments For Origination Of Mortgage Loans Held For Sale PaymentsForOriginationOfMortgageLoansHeldForSale	11945000	USD
	us-gaap	Payments For Origination Of Mortgage Loans Held For Sale PaymentsForOriginationOfMortgageLoansHeldForSale	20327000	USD
	us-gaap	Proceeds From Sale Of Mortgage Loans Held For Sale ProceedsFromSaleOfMortgageLoansHeldForSale	12089000	USD
	us-gaap	Proceeds From Sale Of Mortgage Loans Held For Sale ProceedsFromSaleOfMortgageLoansHeldForSale	20523000	USD
	us-gaap	Life Insurance Corporate Or Bank Owned Change In Value LifeInsuranceCorporateOrBankOwnedChangeInValue	217000	USD
	us-gaap	Life Insurance Corporate Or Bank Owned Change In Value LifeInsuranceCorporateOrBankOwnedChangeInValue	225000	USD
	us-gaap	Increase Decrease In Other Operating Assets IncreaseDecreaseInOtherOperatingAssets	-343000	USD
	us-gaap	Increase Decrease In Other Operating Assets IncreaseDecreaseInOtherOperatingAssets	425000	USD
	us-gaap	Increase Decrease In Operating Liabilities IncreaseDecreaseInOperatingLiabilities	-1967000	USD
	us-gaap	Increase Decrease In Operating Liabilities IncreaseDecreaseInOperatingLiabilities	510000	USD
	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	3692000	USD
	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	4405000	USD
	us-gaap	Proceeds From Maturities Prepayments And Calls Of Available For Sale Securities ProceedsFromMaturitiesPrepaymentsAndCallsOfAvailableForSaleSecurities	17611000	USD
	us-gaap	Proceeds From Maturities Prepayments And Calls Of Available For Sale Securities ProceedsFromMaturitiesPrepaymentsAndCallsOfAvailableForSaleSecurities	30922000	USD
	us-gaap	Payments To Acquire Available For Sale Securities PaymentsToAcquireAvailableForSaleSecurities	51334000	USD
	us-gaap	Payments To Acquire Available For Sale Securities PaymentsToAcquireAvailableForSaleSecurities	3164000	USD
	us-gaap	Payments For Proceeds From Loans And Leases PaymentsForProceedsFromLoansAndLeases	6119000	USD
	us-gaap	Payments For Proceeds From Loans And Leases PaymentsForProceedsFromLoansAndLeases	3693000	USD
	us-gaap	Payments For Proceeds From Productive Assets PaymentsForProceedsFromProductiveAssets	615000	USD
	us-gaap	Payments For Proceeds From Productive Assets PaymentsForProceedsFromProductiveAssets	57000	USD
	us-gaap	Payments For Proceeds From Federal Home Loan Bank Stock PaymentsForProceedsFromFederalHomeLoanBankStock	13000	USD
	us-gaap	Payments For Proceeds From Federal Home Loan Bank Stock PaymentsForProceedsFromFederalHomeLoanBankStock	25000	USD
	us-gaap	Proceeds From Sale Of Foreclosed Assets ProceedsFromSaleOfForeclosedAssets	60000	USD
	us-gaap	Proceeds From Sale Of Foreclosed Assets ProceedsFromSaleOfForeclosedAssets	203000	USD
	us-gaap	Net Cash Provided By Used In Investing Activities Continuing Operations NetCashProvidedByUsedInInvestingActivitiesContinuingOperations	-40410000	USD
	us-gaap	Net Cash Provided By Used In Investing Activities Continuing Operations NetCashProvidedByUsedInInvestingActivitiesContinuingOperations	24186000	USD
	us-gaap	Net Change Noninterest Bearing Deposits Domestic NetChangeNoninterestBearingDepositsDomestic	421000	USD
	us-gaap	Net Change Noninterest Bearing Deposits Domestic NetChangeNoninterestBearingDepositsDomestic	10924000	USD
	us-gaap	Net Change Interest Bearing Deposits Domestic NetChangeInterestBearingDepositsDomestic	2892000	USD
	us-gaap	Net Change Interest Bearing Deposits Domestic NetChangeInterestBearingDepositsDomestic	12988000	USD
	us-gaap	Proceeds From Payments For Federal Funds Sold And Securities Purchased Under Agreements To Resell Net ProceedsFromPaymentsForFederalFundsSoldAndSecuritiesPurchasedUnderAgreementsToResellNet	103000	USD
	us-gaap	Proceeds From Payments For Federal Funds Sold And Securities Purchased Under Agreements To Resell Net ProceedsFromPaymentsForFederalFundsSoldAndSecuritiesPurchasedUnderAgreementsToResellNet	-373000	USD
	us-gaap	Payments Of Ordinary Dividends PaymentsOfOrdinaryDividends	1676000	USD
	us-gaap	Payments Of Ordinary Dividends PaymentsOfOrdinaryDividends	1640000	USD
	us-gaap	Net Cash Provided By Used In Financing Activities Continuing Operations NetCashProvidedByUsedInFinancingActivitiesContinuingOperations	1740000	USD
	us-gaap	Net Cash Provided By Used In Financing Activities Continuing Operations NetCashProvidedByUsedInFinancingActivitiesContinuingOperations	21899000	USD
	us-gaap	Cash And Cash Equivalents Period Increase Decrease CashAndCashEquivalentsPeriodIncreaseDecrease	-34978000	USD
	us-gaap	Cash And Cash Equivalents Period Increase Decrease CashAndCashEquivalentsPeriodIncreaseDecrease	50490000	USD
	us-gaap	Interest Paid InterestPaid	1858000	USD
	us-gaap	Interest Paid InterestPaid	2062000	USD
	us-gaap	Income Taxes Paid Net IncomeTaxesPaidNet	2007000	USD
	us-gaap	Income Taxes Paid Net IncomeTaxesPaidNet	1403000	USD
	us-gaap	Transfer Of Other Real Estate TransferOfOtherRealEstate	0	USD
	us-gaap	Transfer Of Other Real Estate TransferOfOtherRealEstate	248000	USD
CY2016Q4	us-gaap	Financing Receivable Allowance For Credit Losses FinancingReceivableAllowanceForCreditLosses	4643000	USD
	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	710000	USD
	us-gaap	Profit Loss ProfitLoss	4122000	USD
	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	2376000	USD
CY2017Q2	us-gaap	Profit Loss ProfitLoss	1995000	USD
CY2016Q2	us-gaap	Profit Loss ProfitLoss	1931000	USD
CY2017Q2	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	573000	USD
CY2016Q2	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	810000	USD
CY2017Q2	us-gaap	Financing Receivable Modifications Pre Modification Recorded Investment2 FinancingReceivableModificationsPreModificationRecordedInvestment2	1275000	USD
CY2017Q2	us-gaap	Financing Receivable Modifications Post Modification Recorded Investment2 FinancingReceivableModificationsPostModificationRecordedInvestment2	1266000	USD
CY2016Q2	us-gaap	Financing Receivable Modifications Pre Modification Recorded Investment2 FinancingReceivableModificationsPreModificationRecordedInvestment2	1509000	USD
CY2016Q2	us-gaap	Financing Receivable Modifications Post Modification Recorded Investment2 FinancingReceivableModificationsPostModificationRecordedInvestment2	1509000	USD
	us-gaap	Financing Receivable Modifications Pre Modification Recorded Investment2 FinancingReceivableModificationsPreModificationRecordedInvestment2	1275000	USD
	us-gaap	Financing Receivable Modifications Post Modification Recorded Investment2 FinancingReceivableModificationsPostModificationRecordedInvestment2	1266000	USD
	us-gaap	Financing Receivable Modifications Pre Modification Recorded Investment2 FinancingReceivableModificationsPreModificationRecordedInvestment2	1509000	USD
	us-gaap	Financing Receivable Modifications Post Modification Recorded Investment2 FinancingReceivableModificationsPostModificationRecordedInvestment2	1509000	USD
	us-gaap	Financing Receivable Modifications Number Of Contracts2 FinancingReceivableModificationsNumberOfContracts2	1	pure
	us-gaap	Financing Receivable Modifications Number Of Contracts2 FinancingReceivableModificationsNumberOfContracts2	1	pure
CY2016Q2	us-gaap	Financing Receivable Modifications Number Of Contracts2 FinancingReceivableModificationsNumberOfContracts2	1	pure
CY2017Q2	us-gaap	Financing Receivable Modifications Number Of Contracts2 FinancingReceivableModificationsNumberOfContracts2	1	pure
CY2017Q2	us-gaap	Junior Subordinated Notes JuniorSubordinatedNotes	3200000	USD
CY2017Q2	aubn	Servicing Asset At Amortized Value Amortization2 ServicingAssetAtAmortizedValueAmortization2	140000	USD
CY2016Q2	aubn	Servicing Asset At Amortized Value Amortization2 ServicingAssetAtAmortizedValueAmortization2	176000	USD
	aubn	Servicing Asset At Amortized Value Amortization2 ServicingAssetAtAmortizedValueAmortization2	284000	USD
	aubn	Servicing Asset At Amortized Value Amortization2 ServicingAssetAtAmortizedValueAmortization2	314000	USD

Files In Submission

Name	View Source	Status
0001193125-17-244318-index-headers.html	Edgar Link	pending
0001193125-17-244318-index.html	Edgar Link	pending
0001193125-17-244318.txt	Edgar Link	pending
0001193125-17-244318-xbrl.zip	Edgar Link	pending
aubn-20170630.xml	Edgar Link	completed
aubn-20170630.xsd	Edgar Link	pending
aubn-20170630_cal.xml	Edgar Link	unprocessable
aubn-20170630_def.xml	Edgar Link	unprocessable
aubn-20170630_lab.xml	Edgar Link	unprocessable
aubn-20170630_pre.xml	Edgar Link	unprocessable
d349058d10q.htm	Edgar Link	pending
d349058dex311.htm	Edgar Link	pending
d349058dex312.htm	Edgar Link	pending
d349058dex321.htm	Edgar Link	pending
d349058dex322.htm	Edgar Link	pending
FilingSummary.xml	Edgar Link	unprocessable
Financial_Report.xlsx	Edgar Link	pending
R1.htm	Edgar Link	pending
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R11.htm	Edgar Link	pending
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R7.htm	Edgar Link	pending
R8.htm	Edgar Link	pending
R9.htm	Edgar Link	pending
report.css	Edgar Link	pending
Show.js	Edgar Link	pending

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$AUBN
AUBURN NATIONAL BANCORPORATION, INC Stock $aubn

2017 Q3 Form 10-Q Financial Statement

#000119312517244318 Filed on August 01, 2017

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$AUBN AUBURN NATIONAL BANCORPORATION, INC Stock $aubn

2017 Q3 Form 10-Q Financial Statement

#000119312517244318 Filed on August 01, 2017

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$AUBN
AUBURN NATIONAL BANCORPORATION, INC Stock $aubn