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| 0000073088-20-000080-index.html | 2020-04-22 19:39:53 | |
| 0000073088-20-000080.txt | 2020-04-22 19:39:53 | |
 0000073088-20-000080-xbrl.zip | 295992 | 2020-04-22 19:39:53 |
| ex311certificationq120.htm | 13911 | 2020-04-22 19:39:53 |
| ex312certificationq120.htm | 13583 | 2020-04-22 19:39:53 |
| ex321certificationq120.htm | 6928 | 2020-04-22 19:39:53 |
| ex322certificationq120.htm | 6857 | 2020-04-22 19:39:53 |
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| Financial_Report.xlsx | 55676 | 2020-04-22 19:39:53 |
 logoa14.jpg | 77538 | 2020-04-22 19:39:53 |
| MetaLinks.json | 425593 | 2020-04-22 19:39:53 |
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| nwe-20200331_lab.xml | 490720 | 2020-04-22 19:39:53 |
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| R9.htm | 21316 | 2020-04-22 19:39:53 |
| report.css | 2767 | 2020-04-22 19:39:53 |
| Show.js | 1085 | 2020-04-22 19:39:53 |