XML 81 R66.htm IDEA: XBRL DOCUMENT v3.20.4

Deposits Textuals (Details) - USD ($) $ in Millions	Dec. 31, 2020	Dec. 31, 2019
Time Deposits [Abstract]
Time Deposits, $250,000 or More	$ 55.0	$ 57.4

X

- References

No definition available.

+ Details

Name:	aubn_TimeDeposits250000OrMore
Namespace Prefix:	aubn_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

X

- References

No definition available.

+ Details

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