XML 36 R22.htm IDEA: XBRL DOCUMENT
v2.4.0.6

Mortgage Servicing Rights, Net(Table) | 6 Months Ended
--- | ---
Jun. 30, 2012
Mortgage Servicing [Abstract] |
Schedule Of Servicing Assets At Fair Value Text Block |
|  | Quarter ended June 30, |  |  | Six months ended June 30,
(Dollars in thousands) |  | 2012 |  |  | 2011 |  |  | 2012 |  |  | 2011
MSRs, net: |  |  |  |  |  |  |  |  |  |  |
Beginning balance | $ | 1,260 |  | $ | 1,226 |  | $ | 1,245 |  | $ | 1,189
Additions, net |  | 198 |  |  | 65 |  |  | 366 |  |  | 152
Amortization expense |  | (93) |  |  | (52) |  |  | (183) |  |  | (102)
Change in valuation allowance |  | (46) |  |  | — |  |  | (109) |  |  | —
Ending balance | $ | 1,319 |  | $ | 1,239 |  | $ | 1,319 |  | $ | 1,239
Valuation allowance included in MSRs, net: |  |  |  |  |  |  |  |  |  |  |
Beginning of period | $ | 180 |  | $ | — |  | $ | 117 |  | $ | —
End of period |  | 226 |  |  | — |  |  | 226 |  |  | —
Fair value of amortized MSRs: |  |  |  |  |  |  |  |  |  |  |
Beginning of period | $ | 1,260 |  | $ | 1,491 |  | $ | 1,245 |  | $ | 1,335
End of period |  | 1,319 |  |  | 1,422 |  |  | 1,319 |  |  | 1,422

X
- Details
Name: | aubn_MortgageServicingAbstract
Namespace Prefix: | aubn_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure of the activity in the balance of servicing assets (including a description of where changes in fair value are reported in the statement of income for each period for which results of operations are presented), including but not limited to, the following: beginning and ending balances, additions (for instance, through purchases of servicing assets), disposals, changes in fair value during the period resulting from changes in inputs or assumptions used in the valuation model, other changes in fair value along with a description of those changes, and other changes that affect the balance along with a description of those changes. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 140 -Paragraph 17 -Subparagraph f -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009.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) -URI http://asc.fasb.org/extlink&oid=6863725&loc=d3e122625-111746 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name FASB Staff Position (FSP) -Number FAS140-4/FIN46(R)-8 -Paragraph B9 -Subparagraph 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. + Details
Name: | us-gaap_ScheduleOfServicingAssetsAtFairValueTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration