XML 83 R70.htm IDEA: XBRL DOCUMENT v3.10.0.1

Derivative Hedging Instruments (Details Textual) $ in Millions	Sep. 30, 2018 USD ($)
Derivative Maximum Notional Amount Outstanding	$ 500

X

- Definition

Aggregate a total maximum notional amount specified by the derivative(s). Expressed as an absolute value.

+ References

No definition available.

+ Details

Name:	asrv_DerivativeMaximumNotionalAmountOutstanding
Namespace Prefix:	asrv_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant