XML 15 R39.htm IDEA: XBRL DOCUMENT
v2.4.1.9

Other Comprehensive Income (Tables) | 12 Months Ended
--- | ---
Dec. 31, 2014
Other Comprehensive Income Loss [Abstract] |
Schedule Of Other Comprehensive Income Loss [Table Text Block] |
|  |  |  | Pre-tax | Tax (expense) | Net of
(In thousands) |  |  | amount |  | benefit |  | tax amount
2014: |  |  |  |  |  |  |
Unrealized net holding gain on all other securities |  | $ | 10,553 |  | (3,893) |  | 6,660
Reclassification adjustment for net loss on securities recognized in net earnings |  |  | 530 |  | (195) |  | 335
| Other comprehensive income |  | $ | 11,083 |  | (4,088) |  | 6,995
2013: |  |  |  |  |  |  |
Unrealized net holding loss on all other securities |  | $ | (14,761) |  | 5,446 |  | (9,315)
Reclassification adjustment for net gain on securities recognized in net earnings |  |  | (651) |  | 240 |  | (411)
| Other comprehensive loss |  | $ | (15,412) |  | 5,686 |  | (9,726)
2012: |  |  |  |  |  |  |
Unrealized net holding gain on all other securities |  | $ | 2,188 |  | (809) |  | 1,379
Reclassification adjustment for net gain on securities recognized in net earnings |  |  | (679) |  | 252 |  | (427)
| Other comprehensive income |  | $ | 1,509 |  | (557) |  | 952

X
- Details
Name: | aubn_OtherComprehensiveIncomeLossAbstract
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_ScheduleOfOtherComprehensiveIncomeLossTableTextBlock
Namespace Prefix: | aubn_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration