Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0001193125-26-220869-index-headers.html | 2026-05-13 10:45:50 | |
| 0001193125-26-220869-index.html | 2026-05-13 10:45:50 | |
| 0001193125-26-220869.txt | 2026-05-13 10:45:50 | |
 0001193125-26-220869-xbrl.zip | 311415 | 2026-05-13 10:45:50 |
| FilingSummary.xml | 41842 | 2026-05-13 10:45:50 |
| MetaLinks.json | 1094175 | 2026-05-13 10:45:50 |
| nksh-20260331.htm | 5177080 | 2026-05-13 10:45:50 |
| nksh-20260331.xsd | 1368477 | 2026-05-13 10:45:50 |
| nksh-20260331_htm.xml | 7005289 | 2026-05-13 10:45:50 |
| nksh-ex31_i.htm | 13265 | 2026-05-13 10:45:50 |
| nksh-ex31_ii.htm | 13821 | 2026-05-13 10:45:50 |
| nksh-ex32_i.htm | 6572 | 2026-05-13 10:45:50 |
| nksh-ex32_ii.htm | 6251 | 2026-05-13 10:45:50 |
| R1.htm | 51789 | 2026-05-13 10:45:50 |
| R10.htm | 17737 | 2026-05-13 10:45:50 |
| R11.htm | 8465 | 2026-05-13 10:45:50 |
| R12.htm | 15119 | 2026-05-13 10:45:50 |
| R13.htm | 2142893 | 2026-05-13 10:45:50 |
| R14.htm | 202080 | 2026-05-13 10:45:50 |
| R15.htm | 30220 | 2026-05-13 10:45:50 |
| R16.htm | 267478 | 2026-05-13 10:45:50 |
| R17.htm | 46045 | 2026-05-13 10:45:50 |
| R18.htm | 52972 | 2026-05-13 10:45:50 |
| R19.htm | 65270 | 2026-05-13 10:45:50 |
| R2.htm | 135256 | 2026-05-13 10:45:50 |
| R20.htm | 24288 | 2026-05-13 10:45:50 |
| R21.htm | 46259 | 2026-05-13 10:45:50 |
| R22.htm | 43549 | 2026-05-13 10:45:50 |
| R23.htm | 6141 | 2026-05-13 10:45:50 |
| R24.htm | 2132939 | 2026-05-13 10:45:50 |
| R25.htm | 192389 | 2026-05-13 10:45:50 |
| R26.htm | 26990 | 2026-05-13 10:45:50 |
| R27.htm | 242976 | 2026-05-13 10:45:50 |
| R28.htm | 45122 | 2026-05-13 10:45:50 |
| R29.htm | 40716 | 2026-05-13 10:45:50 |
| R3.htm | 22214 | 2026-05-13 10:45:50 |
| R30.htm | 60948 | 2026-05-13 10:45:50 |
| R31.htm | 18499 | 2026-05-13 10:45:50 |
| R32.htm | 44465 | 2026-05-13 10:45:50 |
| R33.htm | 42848 | 2026-05-13 10:45:50 |
| R34.htm | 22198 | 2026-05-13 10:45:50 |
| R35.htm | 34915 | 2026-05-13 10:45:50 |
| R36.htm | 142484 | 2026-05-13 10:45:50 |
| R37.htm | 39285 | 2026-05-13 10:45:50 |
| R38.htm | 60447 | 2026-05-13 10:45:50 |
| R39.htm | 26941 | 2026-05-13 10:45:50 |
| R4.htm | 132441 | 2026-05-13 10:45:50 |
| R40.htm | 314921 | 2026-05-13 10:45:50 |
| R41.htm | 14700 | 2026-05-13 10:45:50 |
| R42.htm | 24452 | 2026-05-13 10:45:50 |
| R43.htm | 28514 | 2026-05-13 10:45:50 |
| R44.htm | 27057 | 2026-05-13 10:45:50 |
| R45.htm | 31348 | 2026-05-13 10:45:50 |
| R46.htm | 21527 | 2026-05-13 10:45:50 |
| R47.htm | 15986 | 2026-05-13 10:45:50 |
| R48.htm | 38187 | 2026-05-13 10:45:50 |
| R49.htm | 52928 | 2026-05-13 10:45:50 |
| R5.htm | 29688 | 2026-05-13 10:45:50 |
| R50.htm | 24796 | 2026-05-13 10:45:50 |
| R51.htm | 10158 | 2026-05-13 10:45:50 |
| R52.htm | 38774 | 2026-05-13 10:45:50 |
| R53.htm | 22009 | 2026-05-13 10:45:50 |
| R54.htm | 26648 | 2026-05-13 10:45:50 |
| R55.htm | 20089 | 2026-05-13 10:45:50 |
| R56.htm | 22701 | 2026-05-13 10:45:50 |
| R57.htm | 36861 | 2026-05-13 10:45:50 |
| R58.htm | 12060 | 2026-05-13 10:45:50 |
| R59.htm | 22473 | 2026-05-13 10:45:50 |
| R6.htm | 3715 | 2026-05-13 10:45:50 |
| R60.htm | 32970 | 2026-05-13 10:45:50 |
| R61.htm | 6853 | 2026-05-13 10:45:50 |
| R7.htm | 33256 | 2026-05-13 10:45:50 |
| R8.htm | 5672 | 2026-05-13 10:45:50 |
| R9.htm | 111135 | 2026-05-13 10:45:50 |
| report.css | 2767 | 2026-05-13 10:45:50 |
| Show.js | 1085 | 2026-05-13 10:45:50 |