XML 74 R44.htm IDEA: XBRL DOCUMENT v2.4.0.8

Fair Value (Details) (USD $) In Thousands, unless otherwise specified	Jun. 30, 2013	Dec. 31, 2012
Estimate of Fair Value, Fair Value Disclosure [Member]
Fair Value Disclosure, Securities Available-for-Sale [Abstract]
Fair Value Disclosure, Agency Obligations	$ 46,615	$ 39,525
Fair Value Disclosure, Agency RMBS	153,963	141,460
Fair Value Disclosure, State and Political Subdivisions	69,522	77,838
Trust Preferred Securities	694	652
Fair Value Disclosure, Securities Available-for-Sale, Total	270,794	259,475
Other Assets, Fair Value Disclosure	961	1,210
Assets, Fair Value Disclosure, Recurring	271,755	260,685
Liabilities Fair Value Disclosure [Abstract]
Other Liabilities, Fair Value Disclosure	961	1,210
Liabilities, Fair Value Disclosure, Recurring, Total	961	1,210
Fair Value, Assets and Liabilities Measured on Nonrecurring Basis [Abstract]
Loans Held-for-sale, Fair Value Disclosure	4,824	2,887
Impaired Loans, Fair Value Disclosure	5,124	10,272
Other Real Esate Owned, Fair Value Disclosure	3,609	4,919
Servicing Asset at Fair Value, Amount	1,979	1,526
Assets, Fair Value Disclosure, Nonrecurring	15,536	19,604
Fair Value, Inputs, Level 1 [Member]
Fair Value Disclosure, Securities Available-for-Sale [Abstract]
Fair Value Disclosure, Agency Obligations	0	0
Fair Value Disclosure, Agency RMBS	0	0
Fair Value Disclosure, State and Political Subdivisions	0	0
Trust Preferred Securities	0	0
Fair Value Disclosure, Securities Available-for-Sale, Total	0	0
Other Assets, Fair Value Disclosure	0	0
Assets, Fair Value Disclosure, Recurring	0	0
Liabilities Fair Value Disclosure [Abstract]
Other Liabilities, Fair Value Disclosure	0	0
Liabilities, Fair Value Disclosure, Recurring, Total	0	0
Fair Value, Assets and Liabilities Measured on Nonrecurring Basis [Abstract]
Loans Held-for-sale, Fair Value Disclosure	0	0
Impaired Loans, Fair Value Disclosure	0	0
Other Real Esate Owned, Fair Value Disclosure	0	0
Servicing Asset at Fair Value, Amount	0	0
Assets, Fair Value Disclosure, Nonrecurring	0	0
Fair Value, Inputs, Level 2 [Member]
Fair Value Disclosure, Securities Available-for-Sale [Abstract]
Fair Value Disclosure, Agency Obligations	46,615	39,525
Fair Value Disclosure, Agency RMBS	153,963	141,460
Fair Value Disclosure, State and Political Subdivisions	69,522	77,838
Trust Preferred Securities	0	0
Fair Value Disclosure, Securities Available-for-Sale, Total	270,100	258,823
Other Assets, Fair Value Disclosure	961	1,210
Assets, Fair Value Disclosure, Recurring	271,061	260,033
Liabilities Fair Value Disclosure [Abstract]
Other Liabilities, Fair Value Disclosure	961	1,210
Liabilities, Fair Value Disclosure, Recurring, Total	961	1,210
Fair Value, Assets and Liabilities Measured on Nonrecurring Basis [Abstract]
Loans Held-for-sale, Fair Value Disclosure	4,824	2,887
Impaired Loans, Fair Value Disclosure	0	0
Other Real Esate Owned, Fair Value Disclosure	0	0
Servicing Asset at Fair Value, Amount	0	0
Assets, Fair Value Disclosure, Nonrecurring	4,824	2,887
Fair Value, Inputs, Level 3 [Member]
Fair Value Disclosure, Securities Available-for-Sale [Abstract]
Fair Value Disclosure, Agency Obligations	0	0
Fair Value Disclosure, Agency RMBS	0	0
Fair Value Disclosure, State and Political Subdivisions	0	0
Trust Preferred Securities	694	652
Fair Value Disclosure, Securities Available-for-Sale, Total	694	652
Other Assets, Fair Value Disclosure	0	0
Assets, Fair Value Disclosure, Recurring	694	652
Liabilities Fair Value Disclosure [Abstract]
Other Liabilities, Fair Value Disclosure	0	0
Liabilities, Fair Value Disclosure, Recurring, Total	0	0
Fair Value, Assets and Liabilities Measured on Nonrecurring Basis [Abstract]
Loans Held-for-sale, Fair Value Disclosure	0	0
Impaired Loans, Fair Value Disclosure	5,124	10,272
Other Real Esate Owned, Fair Value Disclosure	3,609	4,919
Servicing Asset at Fair Value, Amount	1,979	1,526
Assets, Fair Value Disclosure, Nonrecurring	$ 10,712	$ 16,717

X

- Details

Name:	aubn_FairValueAssetsAndLiabilitiesMeasuredOnNonrecurringBasisAbstract
Namespace Prefix:	aubn_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

X

- Definition

No authoritative reference available.

+ References

No definition available.

+ Details

Name:	aubn_FairValueDisclosureAgencyObligations
Namespace Prefix:	aubn_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

X

- Definition

No authoritative reference available.

+ References

No definition available.

+ Details

Name:	aubn_FairValueDisclosureAgencyRmbs
Namespace Prefix:	aubn_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

X

- Details

Name:	aubn_FairValueDisclosureSecuritiesAvailableForSaleAbstract
Namespace Prefix:	aubn_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

X

- Definition

No authoritative reference available.

+ References

No definition available.

+ Details

Name:	aubn_FairValueDisclosureSecuritiesAvailableForSaleTotal
Namespace Prefix:	aubn_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

X

- Definition

No authoritative reference available.

+ References

No definition available.

+ Details

Name:	aubn_FairValueDisclosureStateAndPoliticalSubdivisions
Namespace Prefix:	aubn_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

X

- Definition

No authoritative reference available.

+ References

No definition available.

+ Details

Name:	aubn_ImpairedLoansFairValueDisclosure
Namespace Prefix:	aubn_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

X

- Definition

No authoritative reference available.

+ References

No definition available.

+ Details

Name:	aubn_OtherRealEsateOwnedFairValueDisclosure
Namespace Prefix:	aubn_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

X

- Definition

No authoritative reference available.

+ References

No definition available.

+ Details

Name:	aubn_TrustPreferredSecurities
Namespace Prefix:	aubn_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

X

- Definition

This element represents the aggregate of the assets reported on the balance sheet at period end measured at fair value on a nonrecurring basis by the entity. This element is intended to be used in connection with the fair value disclosures required in the footnote disclosures to the financial statements.

+ References

No definition available.

+ Details

Name:	us-gaap_AssetsFairValueDisclosureNonrecurring
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

X

- Definition

This element represents the aggregate of the assets reported on the balance sheet at period end measured at fair value on a recurring basis by the entity. This element is intended to be used in connection with the fair value disclosures required in the footnote disclosures to the financial statements.

+ References

No definition available.

+ Details

Name:	us-gaap_AssetsFairValueDisclosureRecurring
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

X

- Details

Name:	us-gaap_LiabilitiesFairValueDisclosureAbstract
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Aggregation of the liabilities reported on the balance sheet measured at fair value on a recurring basis by the entity.

+ References

No definition available.

+ Details

Name:	us-gaap_LiabilitiesFairValueDisclosureRecurring
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

X

- Definition

This element represents the portion of the balance sheet assertion valued at fair value by the entity whether such amount is presented as a separate caption or as a parenthetical disclosure. Additionally, this element may be used in connection with the fair value disclosures required in the footnote disclosures to the financial statements. The element may be used in both the balance sheet and disclosure in the same submission. This item represents loans held-for-sale as presented on the statement of financial position which may include mortgage loans held-for-sale, finance receivables held-for-sale, or any other loans classified as held-for-sale which are due the Company as of the balance sheet date.

+ References

No definition available.

+ Details

Name:	us-gaap_LoansHeldForSaleFairValueDisclosure
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

X

- Definition

This element represents the portion of the balance sheet assertion valued at fair value by the entity whether such amount is presented as a separate caption or as a parenthetical disclosure. Additionally, this element may be used in connection with the fair value disclosures required in the footnote disclosures to the financial statements. The element may be used in both the balance sheet and disclosure in the same submission. This element represents the fair value of assets categorized as other which are not in and of themselves material enough to require separate disclosure.

+ References

No definition available.

+ Details

Name:	us-gaap_OtherAssetsFairValueDisclosure
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

X

- Definition

This element represents the portion of the balance sheet assertion valued at fair value by the entity whether such amount is presented as a separate caption or as a parenthetical disclosure. Additionally, this element may be used in connection with the fair value disclosures required in the footnote disclosures to the financial statements. The element may be used in both the balance sheet and disclosure in the same submission. This element represents the fair value of liabilities categorized as other which are not in and of themselves material enough to require separate disclosure.

+ References

No definition available.

+ Details

Name:	us-gaap_OtherLiabilitiesFairValueDisclosure
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

X

- Definition

Fair value as of the balance sheet date of an asset representing net future revenues from contractually specified servicing fees, late charges, and other ancillary revenues, in excess of future costs related to servicing arrangements.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 140

-Paragraph 13A, 13B

-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.



Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 860

-SubTopic 50

-Section 50

-Paragraph 3

-Subparagraph (a)(1)

-URI http://asc.fasb.org/extlink&oid=7882072&loc=d3e122625-111746



Reference 3: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 140

-Paragraph 17

-Subparagraph f(1)(a)

-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.



Reference 4: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name FASB Staff Position (FSP)

-Number FAS140-4/FIN46(R)-8

-Paragraph B9

-Subparagraph a(1)

-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

+ Details

Name:	us-gaap_ServicingAssetAtFairValueAmount
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant