Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0001635984-21-000022-index-headers.html | 2021-06-24 10:49:27 | |
| 0001635984-21-000022-index.html | 2021-06-24 10:49:27 | |
| 0001635984-21-000022.txt | 2021-06-24 10:49:27 | |
 0001635984-21-000022-xbrl.zip | 11781 | 2021-06-24 10:49:27 |
| FilingSummary.xml | 1625 | 2021-06-24 10:49:27 |
| Financial_Report.xlsx | 5688 | 2021-06-24 10:49:27 |
| MetaLinks.json | 17568 | 2021-06-24 10:49:27 |
| nwli-20210624.htm | 52260 | 2021-06-24 10:49:27 |
| nwli-20210624.xsd | 1960 | 2021-06-24 10:49:27 |
| nwli-20210624_htm.xml | 11328 | 2021-06-24 10:49:27 |
| nwli-20210624_lab.xml | 24275 | 2021-06-24 10:49:27 |
| nwli-20210624_pre.xml | 12680 | 2021-06-24 10:49:27 |
| R1.htm | 38627 | 2021-06-24 10:49:27 |
| report.css | 2766 | 2021-06-24 10:49:27 |
| Show.js | 1084 | 2021-06-24 10:49:27 |