Parent Directory| Name | Size | Last Modified |
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 0001733998-20-000051-index-headers.html | 2020-10-19 06:04:17 | |
| 0001733998-20-000051-index.html | 2020-10-19 06:04:17 | |
| 0001733998-20-000051.txt | 2020-10-19 06:04:17 | |
 0001733998-20-000051-xbrl.zip | 98518 | 2020-10-19 06:04:17 |
| a20208-koregonratecase.htm | 72741 | 2020-10-19 06:04:17 |
| a20208-koregonratecase_htm.xml | 9289 | 2020-10-19 06:04:17 |
| FilingSummary.xml | 1893 | 2020-10-19 06:04:17 |
| Financial_Report.xlsx | 5807 | 2020-10-19 06:04:17 |
| MetaLinks.json | 23913 | 2020-10-19 06:04:17 |
| nwn-20201016.xsd | 5077 | 2020-10-19 06:04:17 |
| nwn-20201016_cal.xml | 702 | 2020-10-19 06:04:17 |
| nwn-20201016_def.xml | 16235 | 2020-10-19 06:04:17 |
| nwn-20201016_lab.xml | 34579 | 2020-10-19 06:04:17 |
| nwn-20201016_pre.xml | 17719 | 2020-10-19 06:04:17 |
 nwn4chza33.jpg | 38736 | 2020-10-19 06:04:17 |
 nwnholdingshza36.jpg | 57055 | 2020-10-19 06:04:17 |
| R1.htm | 45762 | 2020-10-19 06:04:17 |
| report.css | 2767 | 2020-10-19 06:04:17 |
| Show.js | 1085 | 2020-10-19 06:04:17 |