Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0001104485-20-000168-index-headers.html | 2020-08-18 16:33:34 | |
| 0001104485-20-000168-index.html | 2020-08-18 16:33:34 | |
| 0001104485-20-000168.txt | 2020-08-18 16:33:34 | |
 0001104485-20-000168-xbrl.zip | 12813 | 2020-08-18 16:33:34 |
| FilingSummary.xml | 1668 | 2020-08-18 16:33:34 |
| Financial_Report.xlsx | 5450 | 2020-08-18 16:33:34 |
| MetaLinks.json | 17179 | 2020-08-18 16:33:34 |
| nog-20200817.htm | 47533 | 2020-08-18 16:33:34 |
| nog-20200817.xsd | 2415 | 2020-08-18 16:33:34 |
| nog-20200817_cal.xml | 707 | 2020-08-18 16:33:34 |
| nog-20200817_def.xml | 1640 | 2020-08-18 16:33:34 |
| nog-20200817_htm.xml | 11146 | 2020-08-18 16:33:34 |
| nog-20200817_lab.xml | 23970 | 2020-08-18 16:33:34 |
| nog-20200817_pre.xml | 12643 | 2020-08-18 16:33:34 |
| R1.htm | 38614 | 2020-08-18 16:33:34 |
| report.css | 2767 | 2020-08-18 16:33:34 |
| Show.js | 1085 | 2020-08-18 16:33:34 |