Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0001635984-22-000020-index-headers.html | 2022-06-21 08:54:45 | |
| 0001635984-22-000020-index.html | 2022-06-21 08:54:45 | |
| 0001635984-22-000020.txt | 2022-06-21 08:54:45 | |
 0001635984-22-000020-xbrl.zip | 11566 | 2022-06-21 08:54:45 |
| FilingSummary.xml | 1630 | 2022-06-21 08:54:45 |
| Financial_Report.xlsx | 5709 | 2022-06-21 08:54:45 |
| MetaLinks.json | 16994 | 2022-06-21 08:54:45 |
| nwli-20220617.htm | 51493 | 2022-06-21 08:54:45 |
| nwli-20220617.xsd | 1948 | 2022-06-21 08:54:45 |
| nwli-20220617_htm.xml | 10832 | 2022-06-21 08:54:45 |
| nwli-20220617_lab.xml | 24137 | 2022-06-21 08:54:45 |
| nwli-20220617_pre.xml | 12542 | 2022-06-21 08:54:45 |
| R1.htm | 38557 | 2022-06-21 08:54:45 |
| report.css | 2766 | 2022-06-21 08:54:45 |
| Show.js | 1084 | 2022-06-21 08:54:45 |