XML 77 R93.htm IDEA: XBRL DOCUMENT
v2.4.1.9

Regulatory Capital Textuals (Details) (USD $) In Millions, unless otherwise specified | Dec. 31, 2014
--- | ---
Regulatory Capital Requirements [Abstract] |
Regulatory Capital, Dividends Without Approval Of Regulators | $ 11.4 aubn_RegulatoryCapitalDividendsWithoutApprovalOfRegulators
Regulatory Capital, Restricted Investment From Dividends | $ 64.4 aubn_RegulatoryCapitalRestrictedInvestmentFromDividends

X
- Definition Amount of additional dividends the bank could have declared without prior regulatory approval + References No definition available. + Details
Name: | aubn_RegulatoryCapitalDividendsWithoutApprovalOfRegulators
Namespace Prefix: | aubn_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Amount of the parent company's investment in bank that is restricted from transfer as dividends due to regulations on capital + References No definition available. + Details
Name: | aubn_RegulatoryCapitalRestrictedInvestmentFromDividends
Namespace Prefix: | aubn_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Details
Name: | us-gaap_RegulatoryCapitalRequirementsAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration