Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0001733998-20-000012-index-headers.html | 2020-03-13 17:11:43 | |
| 0001733998-20-000012-index.html | 2020-03-13 17:11:43 | |
| 0001733998-20-000012.txt | 2020-03-13 17:11:43 | |
 0001733998-20-000012-xbrl.zip | 97923 | 2020-03-13 17:11:43 |
| a2020marform8-kxorrate.htm | 67621 | 2020-03-13 17:11:43 |
| a2020marform8-kxorrate_htm.xml | 9434 | 2020-03-13 17:11:43 |
| FilingSummary.xml | 1893 | 2020-03-13 17:11:43 |
| Financial_Report.xlsx | 6125 | 2020-03-13 17:11:43 |
| MetaLinks.json | 23919 | 2020-03-13 17:11:43 |
| nwn-20200313.xsd | 4932 | 2020-03-13 17:11:43 |
| nwn-20200313_cal.xml | 702 | 2020-03-13 17:11:43 |
| nwn-20200313_def.xml | 16235 | 2020-03-13 17:11:43 |
| nwn-20200313_lab.xml | 34579 | 2020-03-13 17:11:43 |
| nwn-20200313_pre.xml | 17719 | 2020-03-13 17:11:43 |
 nwn4chza27.jpg | 38736 | 2020-03-13 17:11:43 |
 nwnholdingshza29.jpg | 57055 | 2020-03-13 17:11:43 |
| R1.htm | 45761 | 2020-03-13 17:11:43 |
| report.css | 2767 | 2020-03-13 17:11:43 |
| Show.js | 1084 | 2020-03-13 17:11:43 |