XBRL Data Files

Year:2018
Report Type:Annual Report 10-K
XBRL Instance Document:nksh_20181231.xml
XBRL Taxonomy Schema Document:nksh_20181231.xsd
XBRL Presentation Linkbase Document: nksh_20181231_pre.xml
XBRL Label Linkbase Document:nksh_20181231_lab.xml
XBRL Definition Linkbase Documentnksh_20181231_def.xml
XBRL Calculation Linkbase Document:nksh_20181231_cal.xml

Year:2018
Report Type:Quarterly Report 10-Q
Quarter:Q3
XBRL Instance Document:nksh_20180930.xml
XBRL Taxonomy Schema Document:nksh_20180930.xsd
XBRL Presentation Linkbase Document: nksh_20180930_pre.xml
XBRL Label Linkbase Document:nksh_20180930_lab.xml
XBRL Definition Linkbase Documentnksh_20180930_def.xml
XBRL Calculation Linkbase Document:nksh_20180930_cal.xml

Year:2018
Report Type:Quarterly Report 10-Q
Quarter:Q2
XBRL Instance Document:nksh_20180630.xml
XBRL Taxonomy Schema Document:nksh_20180630.xsd
XBRL Presentation Linkbase Document: nksh_20180630_pre.xml
XBRL Label Linkbase Document:nksh_20180630_lab.xml
XBRL Definition Linkbase Documentnksh_20180630_def.xml
XBRL Calculation Linkbase Document:nksh_20180630_cal.xml

Year:2018
Report Type:Quarterly Report 10-Q
Quarter:Q1
XBRL Instance Document:nksh_20180331.xml
XBRL Taxonomy Schema Document:nksh_20180331.xsd
XBRL Presentation Linkbase Document: nksh_20180331_pre.xml
XBRL Label Linkbase Document:nksh_20180331_lab.xml
XBRL Definition Linkbase Documentnksh_20180331_def.xml
XBRL Calculation Linkbase Document:nksh_20180331_cal.xml

Year:2017
Report Type:Annual Report 10-K
XBRL Instance Document:nksh_20171231.xml
XBRL Taxonomy Schema Document:nksh_20171231.xsd
XBRL Presentation Linkbase Document: nksh_20171231_pre.xml
XBRL Label Linkbase Document:nksh_20171231_lab.xml
XBRL Definition Linkbase Documentnksh_20171231_def.xml
XBRL Calculation Linkbase Document:nksh_20171231_cal.xml

Year:2017
Report Type:Quarterly Report 10-Q
Quarter:Q3
XBRL Instance Document:nksh_20170930.xml
XBRL Taxonomy Schema Document:nksh_20170930.xsd
XBRL Presentation Linkbase Document: nksh_20170930_pre.xml
XBRL Label Linkbase Document:nksh_20170930_lab.xml
XBRL Definition Linkbase Documentnksh_20170930_def.xml
XBRL Calculation Linkbase Document:nksh_20170930_cal.xml

Year:2017
Report Type:Quarterly Report 10-Q
Quarter:Q2
XBRL Instance Document:nksh_20170630.xml
XBRL Taxonomy Schema Document:nksh_20170630.xsd
XBRL Presentation Linkbase Document: nksh_20170630_pre.xml
XBRL Label Linkbase Document:nksh_20170630_lab.xml
XBRL Definition Linkbase Documentnksh_20170630_def.xml
XBRL Calculation Linkbase Document:nksh_20170630_cal.xml

Year:2017
Report Type:Quarterly Report 10-Q
Quarter:Q1
XBRL Instance Document:nksh_20170331.xml
XBRL Taxonomy Schema Document:nksh_20170331.xsd
XBRL Presentation Linkbase Document: nksh_20170331_pre.xml
XBRL Label Linkbase Document:nksh_20170331_lab.xml
XBRL Definition Linkbase Documentnksh_20170331_def.xml
XBRL Calculation Linkbase Document:nksh_20170331_cal.xml

Year:2016
Report Type:Annual Report 10-K
XBRL Instance Document:nksh_20161231.xml
XBRL Taxonomy Schema Document:nksh_20161231.xsd
XBRL Presentation Linkbase Document: nksh_20161231_pre.xml
XBRL Label Linkbase Document:nksh_20161231_lab.xml
XBRL Definition Linkbase Documentnksh_20161231_def.xml
XBRL Calculation Linkbase Document:nksh_20161231_cal.xml

Year:2016
Report Type:Quarterly Report 10-Q
Quarter:Q3
XBRL Instance Document:nksh_20160930.xml
XBRL Taxonomy Schema Document:nksh_20160930.xsd
XBRL Presentation Linkbase Document: nksh_20160930_pre.xml
XBRL Label Linkbase Document:nksh_20160930_lab.xml
XBRL Definition Linkbase Documentnksh_20160930_def.xml
XBRL Calculation Linkbase Document:nksh_20160930_cal.xml

Year:2016
Report Type:Quarterly Report 10-Q
Quarter:Q2
XBRL Instance Document:nksh_20160630.xml
XBRL Taxonomy Schema Document:nksh_20160630.xsd
XBRL Presentation Linkbase Document: nksh_20160630_pre.xml
XBRL Label Linkbase Document:nksh_20160630_lab.xml
XBRL Definition Linkbase Documentnksh_20160630_def.xml
XBRL Calculation Linkbase Document:nksh_20160630_cal.xml

Year:2016
Report Type:Quarterly Report 10-Q
Quarter:Q1
XBRL Instance Document:nksh_20160331.xml
XBRL Taxonomy Schema Document:nksh_20160331.xsd
XBRL Presentation Linkbase Document: nksh_20160331_pre.xml
XBRL Label Linkbase Document:nksh_20160331_lab.xml
XBRL Definition Linkbase Documentnksh_20160331_def.xml
XBRL Calculation Linkbase Document:nksh_20160331_cal.xml

Year:2015
Report Type:Annual Report 10-K
XBRL Instance Document:nksh_20151231.xml
XBRL Taxonomy Schema Document:nksh_20151231.xsd
XBRL Presentation Linkbase Document: nksh_20151231_pre.xml
XBRL Label Linkbase Document:nksh_20151231_lab.xml
XBRL Definition Linkbase Documentnksh_20151231_def.xml
XBRL Calculation Linkbase Document:nksh_20151231_cal.xml

Year:2015
Report Type:Quarterly Report 10-Q
Quarter:Q3
XBRL Instance Document:nksh_20150930.xml
XBRL Taxonomy Schema Document:nksh_20150930.xsd
XBRL Presentation Linkbase Document: nksh_20150930_pre.xml
XBRL Label Linkbase Document:nksh_20150930_lab.xml
XBRL Definition Linkbase Documentnksh_20150930_def.xml
XBRL Calculation Linkbase Document:nksh_20150930_cal.xml

Year:2015
Report Type:Quarterly Report 10-Q
Quarter:Q2
XBRL Instance Document:nksh_20150630.xml
XBRL Taxonomy Schema Document:nksh_20150630.xsd
XBRL Presentation Linkbase Document: nksh_20150630_pre.xml
XBRL Label Linkbase Document:nksh_20150630_lab.xml
XBRL Definition Linkbase Documentnksh_20150630_def.xml
XBRL Calculation Linkbase Document:nksh_20150630_cal.xml

Year:2015
Report Type:Quarterly Report 10-Q
Quarter:Q1
XBRL Instance Document:nksh_20150331.xml
XBRL Taxonomy Schema Document:nksh_20150331.xsd
XBRL Presentation Linkbase Document: nksh_20150331_pre.xml
XBRL Label Linkbase Document:nksh_20150331_lab.xml
XBRL Definition Linkbase Documentnksh_20150331_def.xml
XBRL Calculation Linkbase Document:nksh_20150331_cal.xml

Year:2014
Report Type:Annual Report 10-K
XBRL Instance Document:nksh_20141231.xml
XBRL Taxonomy Schema Document:nksh_20141231.xsd
XBRL Presentation Linkbase Document: nksh_20141231_pre.xml
XBRL Label Linkbase Document:nksh_20141231_lab.xml
XBRL Definition Linkbase Documentnksh_20141231_def.xml
XBRL Calculation Linkbase Document:nksh_20141231_cal.xml

Year:2014
Report Type:Quarterly Report 10-Q
Quarter:Q3
XBRL Instance Document:nksh_20140930.xml
XBRL Taxonomy Schema Document:nksh_20140930.xsd
XBRL Presentation Linkbase Document: nksh_20140930_pre.xml
XBRL Label Linkbase Document:nksh_20140930_lab.xml
XBRL Definition Linkbase Documentnksh_20140930_def.xml
XBRL Calculation Linkbase Document:nksh_20140930_cal.xml

Year:2014
Report Type:Quarterly Report 10-Q
Quarter:Q2
XBRL Instance Document:nksh_20140630.xml
XBRL Taxonomy Schema Document:nksh_20140630.xsd
XBRL Presentation Linkbase Document: nksh_20140630_pre.xml
XBRL Label Linkbase Document:nksh_20140630_lab.xml
XBRL Definition Linkbase Documentnksh_20140630_def.xml
XBRL Calculation Linkbase Document:nksh_20140630_cal.xml

Year:2014
Report Type:Quarterly Report 10-Q
Quarter:Q1
XBRL Instance Document:nksh_20140331.xml
XBRL Taxonomy Schema Document:nksh_20140331.xsd
XBRL Presentation Linkbase Document: nksh_20140331_pre.xml
XBRL Label Linkbase Document:nksh_20140331_lab.xml
XBRL Definition Linkbase Documentnksh_20140331_def.xml
XBRL Calculation Linkbase Document:nksh_20140331_cal.xml

Year:2013
Report Type:Annual Report 10-K
XBRL Instance Document:nksh_20131231.xml
XBRL Taxonomy Schema Document:nksh_20131231.xsd
XBRL Presentation Linkbase Document: nksh_20131231_pre.xml
XBRL Label Linkbase Document:nksh_20131231_lab.xml
XBRL Definition Linkbase Documentnksh_20131231_def.xml
XBRL Calculation Linkbase Document:nksh_20131231_cal.xml

Year:2013
Report Type:Quarterly Report 10-Q
Quarter:Q3
XBRL Instance Document:nksh_20130930.xml
XBRL Taxonomy Schema Document:nksh_20130930.xsd
XBRL Presentation Linkbase Document: nksh_20130930_pre.xml
XBRL Label Linkbase Document:nksh_20130930_lab.xml
XBRL Definition Linkbase Documentnksh_20130930_def.xml
XBRL Calculation Linkbase Document:nksh_20130930_cal.xml

Year:2013
Report Type:Quarterly Report 10-Q
Quarter:Q2
XBRL Instance Document:nksh_20130630.xml
XBRL Taxonomy Schema Document:nksh_20130630.xsd
XBRL Presentation Linkbase Document: nksh_20130630_pre.xml
XBRL Label Linkbase Document:nksh_20130630_lab.xml
XBRL Definition Linkbase Documentnksh_20130630_def.xml
XBRL Calculation Linkbase Document:nksh_20130630_cal.xml

Year:2013
Report Type:Quarterly Report 10-Q
Quarter:Q1
XBRL Instance Document:nksh_20130331.xml
XBRL Taxonomy Schema Document:nksh_20130331.xsd
XBRL Presentation Linkbase Document: nksh_20130331_pre.xml
XBRL Label Linkbase Document:nksh_20130331_lab.xml
XBRL Definition Linkbase Documentnksh_20130331_def.xml
XBRL Calculation Linkbase Document:nksh_20130331_cal.xml

Year:2012
Report Type:Annual Report 10-K
XBRL Instance Document:nksh_20121231.xml
XBRL Taxonomy Schema Document:nksh_20121231.xsd
XBRL Presentation Linkbase Document: nksh_20121231_pre.xml
XBRL Label Linkbase Document:nksh_20121231_lab.xml
XBRL Definition Linkbase Documentnksh_20121231_def.xml
XBRL Calculation Linkbase Document:nksh_20121231_cal.xml