Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0001635984-23-000029-index-headers.html | 2023-06-29 16:35:47 | |
| 0001635984-23-000029-index.html | 2023-06-29 16:35:47 | |
| 0001635984-23-000029.txt | 2023-06-29 16:35:47 | |
 0001635984-23-000029-xbrl.zip | 10752 | 2023-06-29 16:35:47 |
| FilingSummary.xml | 1632 | 2023-06-29 16:35:47 |
| Financial_Report.xlsx | 5712 | 2023-06-29 16:35:47 |
| MetaLinks.json | 17526 | 2023-06-29 16:35:47 |
| nwli-20230622.htm | 53395 | 2023-06-29 16:35:47 |
| nwli-20230622.xsd | 1950 | 2023-06-29 16:35:47 |
| nwli-20230622_htm.xml | 4124 | 2023-06-29 16:35:47 |
| nwli-20230622_lab.xml | 24139 | 2023-06-29 16:35:47 |
| nwli-20230622_pre.xml | 12544 | 2023-06-29 16:35:47 |
| R1.htm | 38107 | 2023-06-29 16:35:47 |
| report.css | 2766 | 2023-06-29 16:35:47 |
| Show.js | 1084 | 2023-06-29 16:35:47 |