Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0001104485-20-000203-index-headers.html | 2020-11-06 07:01:55 | |
| 0001104485-20-000203-index.html | 2020-11-06 07:01:55 | |
| 0001104485-20-000203.txt | 2020-11-06 07:01:55 | |
 0001104485-20-000203-xbrl.zip | 31786 | 2020-11-06 07:01:55 |
| exhibit991-2020q3earni.htm | 360464 | 2020-11-06 07:01:55 |
| FilingSummary.xml | 1712 | 2020-11-06 07:01:55 |
| Financial_Report.xlsx | 5452 | 2020-11-06 07:01:55 |
| MetaLinks.json | 17712 | 2020-11-06 07:01:55 |
| nog-20201106.htm | 34451 | 2020-11-06 07:01:55 |
| nog-20201106.xsd | 2415 | 2020-11-06 07:01:55 |
| nog-20201106_cal.xml | 707 | 2020-11-06 07:01:55 |
| nog-20201106_def.xml | 1640 | 2020-11-06 07:01:55 |
| nog-20201106_htm.xml | 10960 | 2020-11-06 07:01:55 |
| nog-20201106_lab.xml | 24977 | 2020-11-06 07:01:55 |
| nog-20201106_pre.xml | 13184 | 2020-11-06 07:01:55 |
| R1.htm | 38615 | 2020-11-06 07:01:55 |
| report.css | 2767 | 2020-11-06 07:01:55 |
| Show.js | 1085 | 2020-11-06 07:01:55 |