XML 97 R19.htm IDEA: XBRL DOCUMENT v2.4.0.8

Funds Restrictions and Reserve Balance	12 Months Ended
	Dec. 31, 2013
Text Block [Abstract]
Funds Restrictions and Reserve Balance	Note 11. Funds Restrictions and Reserve Balance Transfers of funds from the banking subsidiary to the parent company in the form of loans, advances and cash dividends are restricted by federal and state regulatory authorities. At December 31, 2013, the aggregate amount of unrestricted funds which could be transferred from the banking subsidiary to the parent Company, without prior regulatory approval, totaled $253 thousand. The Bank must maintain a reserve against its deposits in accordance with Regulation D of the Federal Reserve Act. For the final weekly reporting period in the years ended December 31, 2013 and 2012, the aggregate amounts of daily average required balances were approximately $1.4 million and $3.0 million, respectively.

X

- Definition

Funds restrictions and reserve balance.

+ References

No definition available.

+ Details

Name:	fxnc_FundsRestrictionsAndReserveBalanceTextBlock
Namespace Prefix:	fxnc_
Data Type:	nonnum:textBlockItemType
Balance Type:	na
Period Type:	duration

X

- Details

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