XML 49 R38.htm IDEA: XBRL DOCUMENT v3.10.0.1

Loans Textuals (Details)	Jun. 30, 2018
Loan and Lease Disclosure (Textuals) [Abstract]
Percentage Of Loans Secured By Real Estate	86.30%

X

- References

No definition available.

+ Details

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

X

- References

No definition available.

+ Details

Name:	aubn_PercentageOfLoansSecuredByRealEstate
Namespace Prefix:	aubn_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	instant