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| 0001993004-26-000029-index.html | 2026-04-29 19:30:52 | |
| 0001993004-26-000029.txt | 2026-04-29 19:30:52 | |
 0001993004-26-000029-xbrl.zip | 247730 | 2026-04-29 19:30:52 |
| ex311certificationq12026.htm | 10283 | 2026-04-29 19:30:52 |
| ex312certificationq12026.htm | 10138 | 2026-04-29 19:30:52 |
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 nwe-20260331_g1.jpg | 77538 | 2026-04-29 19:30:52 |
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| R27.htm | 22034 | 2026-04-29 19:30:52 |
| R28.htm | 38053 | 2026-04-29 19:30:52 |
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| R3.htm | 34651 | 2026-04-29 19:30:52 |
| R30.htm | 35393 | 2026-04-29 19:30:52 |
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| R32.htm | 58734 | 2026-04-29 19:30:52 |
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| R4.htm | 166729 | 2026-04-29 19:30:52 |
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| R6.htm | 84975 | 2026-04-29 19:30:52 |
| R7.htm | 20251 | 2026-04-29 19:30:52 |
| R8.htm | 16981 | 2026-04-29 19:30:52 |
| R9.htm | 12021 | 2026-04-29 19:30:52 |
| report.css | 2767 | 2026-04-29 19:30:52 |
| Show.js | 1085 | 2026-04-29 19:30:52 |