XML 43 R27.htm IDEA: XBRL DOCUMENT v3.7.0.1

Dividend Reinvestment Plan	12 Months Ended
	Dec. 31, 2016
Text Block [Abstract]
Dividend Reinvestment Plan	Note 18. Dividend Reinvestment Plan The Company has in effect a Dividend Reinvestment Plan (DRIP) which provides an automatic conversion of dividends into common stock for enrolled shareholders. The Company may issue common shares to the DRIP or purchase on the open market. Common shares are purchased at a price which is based on the average closing prices of the shares as quoted on the Over-the-Counter Markets Group exchange for the 10 business days immediately preceding the dividend payment date. The Company issued 3,949 and 4,109 common shares to the DRIP during the years ended December 31, 2016 and 2015, respectively.

X

- Definition

Dividend reinvestment plan.

+ References

No definition available.

+ Details

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

X

- References

No definition available.

+ Details

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