Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0001437749-19-015744-index-headers.html | 2019-08-07 11:09:50 | |
| 0001437749-19-015744-index.html | 2019-08-07 11:09:50 | |
| 0001437749-19-015744.txt | 2019-08-07 11:09:50 | |
 0001437749-19-015744-xbrl.zip | 205631 | 2019-08-07 11:09:50 |
| ex_151255.htm | 9426 | 2019-08-07 11:09:50 |
| ex_151256.htm | 9284 | 2019-08-07 11:09:50 |
| ex_151257.htm | 3863 | 2019-08-07 11:09:50 |
| ex_151258.htm | 4008 | 2019-08-07 11:09:50 |
| FilingSummary.xml | 39255 | 2019-08-07 11:09:50 |
| Financial_Report.xlsx | 77416 | 2019-08-07 11:09:50 |
| nksh-20190630.xml | 3598867 | 2019-08-07 11:09:50 |
| nksh-20190630.xsd | 66247 | 2019-08-07 11:09:50 |
| nksh-20190630_cal.xml | 70101 | 2019-08-07 11:09:50 |
| nksh-20190630_def.xml | 446390 | 2019-08-07 11:09:50 |
| nksh-20190630_lab.xml | 371457 | 2019-08-07 11:09:50 |
| nksh-20190630_pre.xml | 477827 | 2019-08-07 11:09:50 |
| nksh20190630_10q.htm | 2370722 | 2019-08-07 11:09:50 |
| R1.htm | 30842 | 2019-08-07 11:09:50 |
| R10.htm | 21014 | 2019-08-07 11:09:50 |
| R11.htm | 23815 | 2019-08-07 11:09:50 |
| R12.htm | 795084 | 2019-08-07 11:09:50 |
| R13.htm | 119120 | 2019-08-07 11:09:50 |
| R14.htm | 19681 | 2019-08-07 11:09:50 |
| R15.htm | 21475 | 2019-08-07 11:09:50 |
| R16.htm | 203099 | 2019-08-07 11:09:50 |
| R17.htm | 31754 | 2019-08-07 11:09:50 |
| R18.htm | 52853 | 2019-08-07 11:09:50 |
| R19.htm | 46977 | 2019-08-07 11:09:50 |
| R2.htm | 81159 | 2019-08-07 11:09:50 |
| R20.htm | 23089 | 2019-08-07 11:09:50 |
| R21.htm | 759041 | 2019-08-07 11:09:50 |
| R22.htm | 110329 | 2019-08-07 11:09:50 |
| R23.htm | 20039 | 2019-08-07 11:09:50 |
| R24.htm | 184972 | 2019-08-07 11:09:50 |
| R25.htm | 30706 | 2019-08-07 11:09:50 |
| R26.htm | 43032 | 2019-08-07 11:09:50 |
| R27.htm | 37444 | 2019-08-07 11:09:50 |
| R28.htm | 5931 | 2019-08-07 11:09:50 |
| R29.htm | 19169 | 2019-08-07 11:09:50 |
| R3.htm | 17531 | 2019-08-07 11:09:50 |
| R30.htm | 34621 | 2019-08-07 11:09:50 |
| R31.htm | 40364 | 2019-08-07 11:09:50 |
| R32.htm | 45174 | 2019-08-07 11:09:50 |
| R33.htm | 5223 | 2019-08-07 11:09:50 |
| R34.htm | 16490 | 2019-08-07 11:09:50 |
| R35.htm | 27295 | 2019-08-07 11:09:50 |
| R36.htm | 53279 | 2019-08-07 11:09:50 |
| R37.htm | 38269 | 2019-08-07 11:09:50 |
| R38.htm | 81859 | 2019-08-07 11:09:50 |
| R39.htm | 79286 | 2019-08-07 11:09:50 |
| R4.htm | 94215 | 2019-08-07 11:09:50 |
| R40.htm | 16445 | 2019-08-07 11:09:50 |
| R41.htm | 36414 | 2019-08-07 11:09:50 |
| R42.htm | 21865 | 2019-08-07 11:09:50 |
| R43.htm | 27600 | 2019-08-07 11:09:50 |
| R44.htm | 17457 | 2019-08-07 11:09:50 |
| R45.htm | 6129 | 2019-08-07 11:09:50 |
| R46.htm | 18367 | 2019-08-07 11:09:50 |
| R47.htm | 6182 | 2019-08-07 11:09:50 |
| R48.htm | 24889 | 2019-08-07 11:09:50 |
| R49.htm | 12550 | 2019-08-07 11:09:50 |
| R5.htm | 21116 | 2019-08-07 11:09:50 |
| R50.htm | 19088 | 2019-08-07 11:09:50 |
| R51.htm | 36360 | 2019-08-07 11:09:50 |
| R52.htm | 23467 | 2019-08-07 11:09:50 |
| R53.htm | 16915 | 2019-08-07 11:09:50 |
| R54.htm | 17283 | 2019-08-07 11:09:50 |
| R55.htm | 7141 | 2019-08-07 11:09:50 |
| R56.htm | 21057 | 2019-08-07 11:09:50 |
| R57.htm | 20416 | 2019-08-07 11:09:50 |
| R6.htm | 9304 | 2019-08-07 11:09:50 |
| R7.htm | 22891 | 2019-08-07 11:09:50 |
| R8.htm | 12345 | 2019-08-07 11:09:50 |
| R9.htm | 119573 | 2019-08-07 11:09:50 |
| report.css | 2767 | 2019-08-07 11:09:50 |
| Show.js | 1085 | 2019-08-07 11:09:50 |