Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0001733998-20-000041-index-headers.html | 2020-07-31 21:02:26 | |
| 0001733998-20-000041-index.html | 2020-07-31 21:02:26 | |
| 0001733998-20-000041.txt | 2020-07-31 21:02:26 | |
 0001733998-20-000041-xbrl.zip | 97141 | 2020-07-31 21:02:26 |
| a20208-kcomprehensives.htm | 70378 | 2020-07-31 21:02:26 |
| a20208-kcomprehensives_htm.xml | 9289 | 2020-07-31 21:02:26 |
| FilingSummary.xml | 1893 | 2020-07-31 21:02:26 |
| Financial_Report.xlsx | 5806 | 2020-07-31 21:02:26 |
| MetaLinks.json | 23913 | 2020-07-31 21:02:26 |
| nwn-20200731.xsd | 5077 | 2020-07-31 21:02:26 |
| nwn-20200731_cal.xml | 702 | 2020-07-31 21:02:26 |
| nwn-20200731_def.xml | 16135 | 2020-07-31 21:02:26 |
| nwn-20200731_lab.xml | 34579 | 2020-07-31 21:02:26 |
| nwn-20200731_pre.xml | 17719 | 2020-07-31 21:02:26 |
 nwn4chza32.jpg | 38736 | 2020-07-31 21:02:26 |
 nwnholdingshza35.jpg | 57055 | 2020-07-31 21:02:26 |
| R1.htm | 45762 | 2020-07-31 21:02:26 |
| report.css | 2767 | 2020-07-31 21:02:26 |
| Show.js | 1085 | 2020-07-31 21:02:26 |