XML 45 R34.htm IDEA: XBRL DOCUMENT
v3.7.0.1

Allowance for Loan Loss (Details) - USD ($) $ in Thousands | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jun. 30, 2017 | Jun. 30, 2016 | Jun. 30, 2017 | Jun. 30, 2016
Financing Receivable, Allowance for Credit Losses [Roll Forward] |  |  |  |
Financing Receivable, Allowance for Credit Losses | $ 4,588 | $ 4,774 | $ 4,643 | $ 4,289
Financing Receivable, Allowance for Credit Losses, Charge-offs | (5) | (316) | (84) | (460)
Financing Receivable, Allowance for Credit Losses, Recoveries | 282 | 70 | 306 | 1,299
Financing Receivable Allowance For Credit Losses Net Chargeoffs Recoveries | 277 | (246) | 222 | 839
Provision for loan losses | 100 | 0 | 100 | (600)
Financing Receivable, Allowance for Credit Losses | 4,965 | 4,528 | 4,965 | 4,528
Commercial and Industrial Loans [Member] |  |  |  |
Financing Receivable, Allowance for Credit Losses [Roll Forward] |  |  |  |
Financing Receivable, Allowance for Credit Losses | 524 | 517 | 540 | 523
Financing Receivable, Allowance for Credit Losses, Charge-offs | 0 | (83) | 0 | (83)
Financing Receivable, Allowance for Credit Losses, Recoveries | 4 | 3 | 6 | 23
Financing Receivable Allowance For Credit Losses Net Chargeoffs Recoveries | 4 | (80) | 6 | (60)
Provision for loan losses | 149 | 69 | 131 | 43
Financing Receivable, Allowance for Credit Losses | 677 | 506 | 677 | 506
Construction And Land Development Loans [Member] |  |  |  |
Financing Receivable, Allowance for Credit Losses [Roll Forward] |  |  |  |
Financing Receivable, Allowance for Credit Losses | 845 | 695 | 812 | 669
Financing Receivable, Allowance for Credit Losses, Charge-offs | 0 | 0 | 0 | 0
Financing Receivable, Allowance for Credit Losses, Recoveries | 209 | 5 | 214 | 1,203
Financing Receivable Allowance For Credit Losses Net Chargeoffs Recoveries | 209 | 5 | 214 | 1,203
Provision for loan losses | (180) | 44 | (152) | (1,128)
Financing Receivable, Allowance for Credit Losses | 874 | 744 | 874 | 744
Commercial Real Estate Loans, Total [Member] |  |  |  |
Financing Receivable, Allowance for Credit Losses [Roll Forward] |  |  |  |
Financing Receivable, Allowance for Credit Losses | 2,004 | 2,403 | 2,071 | 1,879
Financing Receivable, Allowance for Credit Losses, Charge-offs | 0 | (194) | 0 | (194)
Financing Receivable, Allowance for Credit Losses, Recoveries | 0 | 0 | 0 | 0
Financing Receivable Allowance For Credit Losses Net Chargeoffs Recoveries | 0 | (194) | 0 | (194)
Provision for loan losses | 117 | (117) | 50 | 407
Financing Receivable, Allowance for Credit Losses | 2,121 | 2,092 | 2,121 | 2,092
Residential Real Estate Loans, Total [Member] |  |  |  |
Financing Receivable, Allowance for Credit Losses [Roll Forward] |  |  |  |
Financing Receivable, Allowance for Credit Losses | 1,064 | 1,026 | 1,107 | 1,059
Financing Receivable, Allowance for Credit Losses, Charge-offs | 0 | (37) | (78) | (155)
Financing Receivable, Allowance for Credit Losses, Recoveries | 63 | 58 | 77 | 65
Financing Receivable Allowance For Credit Losses Net Chargeoffs Recoveries | 63 | 21 | (1) | (90)
Provision for loan losses | (8) | 14 | 13 | 92
Financing Receivable, Allowance for Credit Losses | 1,119 | 1,061 | 1,119 | 1,061
Consumer Installment and Revolving Loans [Member] |  |  |  |
Financing Receivable, Allowance for Credit Losses [Roll Forward] |  |  |  |
Financing Receivable, Allowance for Credit Losses | 151 | 133 | 113 | 159
Financing Receivable, Allowance for Credit Losses, Charge-offs | (5) | (2) | (6) | (28)
Financing Receivable, Allowance for Credit Losses, Recoveries | 6 | 4 | 9 | 8
Financing Receivable Allowance For Credit Losses Net Chargeoffs Recoveries | 1 | 2 | 3 | (20)
Provision for loan losses | 22 | (10) | 58 | (14)
Financing Receivable, Allowance for Credit Losses | $ 174 | $ 125 | $ 174 | $ 125

X
- References No definition available. + Details
Name: | aubn_FinancingReceivableAllowanceForCreditLossesNetChargeoffsRecoveries
Namespace Prefix: | aubn_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition A valuation allowance for financing receivables that are expected to be uncollectible. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 11B -Subparagraph (c)(1) -URI http://asc.fasb.org/extlink&oid=66008989&loc=SL6953423-111524 + Details
Name: | us-gaap_FinancingReceivableAllowanceForCreditLosses
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Amount of recovery of financing receivables doubtful of collection that were previously charged off. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 11B -Subparagraph (c)(4) -URI http://asc.fasb.org/extlink&oid=66008989&loc=SL6953423-111524 + Details
Name: | us-gaap_FinancingReceivableAllowanceForCreditLossesRecovery
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period. + References No definition available. + Details
Name: | us-gaap_FinancingReceivableAllowanceForCreditLossesRollForward
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Amount of direct write-downs of financing receivables charged against the allowance. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 11B -Subparagraph (c)(3) -URI http://asc.fasb.org/extlink&oid=66008989&loc=SL6953423-111524 + Details
Name: | us-gaap_FinancingReceivableAllowanceForCreditLossesWriteOffs
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Amount of expense related loan transactions, lease transactions, credit loss from transactions other than loan and lease transactions, and other loss based on assessment of uncollectability from the counterparty to reduce the account to their net realizable value. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 11B -Subparagraph (c)(2) -URI http://asc.fasb.org/extlink&oid=66008989&loc=SL6953423-111524 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 225 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-04.11) -URI http://asc.fasb.org/extlink&oid=6879574&loc=d3e536633-122882 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=66902209&loc=d3e3602-108585 + Details
Name: | us-gaap_ProvisionForLoanLeaseAndOtherLosses
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

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

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

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

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

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