Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0001437749-21-019812-index-headers.html | 2021-08-13 09:54:26 | |
| 0001437749-21-019812-index.html | 2021-08-13 09:54:26 | |
| 0001437749-21-019812.txt | 2021-08-13 09:54:26 | |
 0001437749-21-019812-xbrl.zip | 230049 | 2021-08-13 09:54:26 |
| ex_267815.htm | 8952 | 2021-08-13 09:54:26 |
| ex_267816.htm | 9124 | 2021-08-13 09:54:26 |
| ex_267817.htm | 3873 | 2021-08-13 09:54:26 |
| ex_267818.htm | 4009 | 2021-08-13 09:54:26 |
| FilingSummary.xml | 40296 | 2021-08-13 09:54:26 |
| Financial_Report.xlsx | 87940 | 2021-08-13 09:54:26 |
| MetaLinks.json | 672439 | 2021-08-13 09:54:26 |
| nksh-20210630.xsd | 67962 | 2021-08-13 09:54:26 |
| nksh-20210630_cal.xml | 70839 | 2021-08-13 09:54:26 |
| nksh-20210630_def.xml | 436681 | 2021-08-13 09:54:26 |
| nksh-20210630_lab.xml | 377109 | 2021-08-13 09:54:26 |
| nksh-20210630_pre.xml | 467918 | 2021-08-13 09:54:26 |
| nksh20210630_10q.htm | 2559756 | 2021-08-13 09:54:26 |
| nksh20210630_10q_htm.xml | 2729298 | 2021-08-13 09:54:26 |
| R1.htm | 52442 | 2021-08-13 09:54:26 |
| R10.htm | 32549 | 2021-08-13 09:54:26 |
| R11.htm | 18033 | 2021-08-13 09:54:26 |
| R12.htm | 501716 | 2021-08-13 09:54:26 |
| R13.htm | 83461 | 2021-08-13 09:54:26 |
| R14.htm | 29538 | 2021-08-13 09:54:26 |
| R15.htm | 201833 | 2021-08-13 09:54:26 |
| R16.htm | 40505 | 2021-08-13 09:54:26 |
| R17.htm | 41216 | 2021-08-13 09:54:26 |
| R18.htm | 44585 | 2021-08-13 09:54:26 |
| R19.htm | 17506 | 2021-08-13 09:54:26 |
| R2.htm | 96503 | 2021-08-13 09:54:26 |
| R20.htm | 480952 | 2021-08-13 09:54:26 |
| R21.htm | 78876 | 2021-08-13 09:54:26 |
| R22.htm | 25751 | 2021-08-13 09:54:26 |
| R23.htm | 182836 | 2021-08-13 09:54:26 |
| R24.htm | 38566 | 2021-08-13 09:54:26 |
| R25.htm | 30094 | 2021-08-13 09:54:26 |
| R26.htm | 39781 | 2021-08-13 09:54:26 |
| R27.htm | 13841 | 2021-08-13 09:54:26 |
| R28.htm | 19236 | 2021-08-13 09:54:26 |
| R29.htm | 13817 | 2021-08-13 09:54:26 |
| R3.htm | 18164 | 2021-08-13 09:54:26 |
| R30.htm | 36723 | 2021-08-13 09:54:26 |
| R31.htm | 42502 | 2021-08-13 09:54:26 |
| R32.htm | 5796 | 2021-08-13 09:54:26 |
| R33.htm | 17122 | 2021-08-13 09:54:26 |
| R34.htm | 25950 | 2021-08-13 09:54:26 |
| R35.htm | 35711 | 2021-08-13 09:54:26 |
| R36.htm | 23635 | 2021-08-13 09:54:26 |
| R37.htm | 65910 | 2021-08-13 09:54:26 |
| R38.htm | 66095 | 2021-08-13 09:54:26 |
| R39.htm | 15039 | 2021-08-13 09:54:26 |
| R4.htm | 112812 | 2021-08-13 09:54:26 |
| R40.htm | 26307 | 2021-08-13 09:54:26 |
| R41.htm | 21819 | 2021-08-13 09:54:26 |
| R42.htm | 28028 | 2021-08-13 09:54:26 |
| R43.htm | 17418 | 2021-08-13 09:54:26 |
| R44.htm | 4681 | 2021-08-13 09:54:26 |
| R45.htm | 21268 | 2021-08-13 09:54:26 |
| R46.htm | 6187 | 2021-08-13 09:54:26 |
| R47.htm | 15650 | 2021-08-13 09:54:26 |
| R48.htm | 22392 | 2021-08-13 09:54:26 |
| R49.htm | 17904 | 2021-08-13 09:54:26 |
| R5.htm | 30106 | 2021-08-13 09:54:26 |
| R50.htm | 7367 | 2021-08-13 09:54:26 |
| R51.htm | 15166 | 2021-08-13 09:54:26 |
| R52.htm | 37303 | 2021-08-13 09:54:26 |
| R53.htm | 22582 | 2021-08-13 09:54:26 |
| R54.htm | 11297 | 2021-08-13 09:54:26 |
| R55.htm | 19899 | 2021-08-13 09:54:26 |
| R56.htm | 20975 | 2021-08-13 09:54:26 |
| R57.htm | 21365 | 2021-08-13 09:54:26 |
| R6.htm | 6572 | 2021-08-13 09:54:26 |
| R7.htm | 35206 | 2021-08-13 09:54:26 |
| R8.htm | 11334 | 2021-08-13 09:54:26 |
| R9.htm | 124881 | 2021-08-13 09:54:26 |
| report.css | 2767 | 2021-08-13 09:54:26 |
| Show.js | 1085 | 2021-08-13 09:54:26 |