Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0001635984-22-000005-index-headers.html | 2022-03-04 13:23:05 | |
| 0001635984-22-000005-index.html | 2022-03-04 13:23:05 | |
| 0001635984-22-000005.txt | 2022-03-04 13:23:05 | |
 0001635984-22-000005-xbrl.zip | 15870 | 2022-03-04 13:23:05 |
| exhibit991-12x31x2021.htm | 59835 | 2022-03-04 13:23:05 |
| FilingSummary.xml | 1676 | 2022-03-04 13:23:05 |
| Financial_Report.xlsx | 5688 | 2022-03-04 13:23:05 |
| MetaLinks.json | 16997 | 2022-03-04 13:23:05 |
 newsreleaseheadernwlgia20.jpg | 124378 | 2022-03-04 13:23:05 |
| nwli-20220304.htm | 40675 | 2022-03-04 13:23:05 |
| nwli-20220304.xsd | 1948 | 2022-03-04 13:23:05 |
| nwli-20220304_htm.xml | 10832 | 2022-03-04 13:23:05 |
| nwli-20220304_lab.xml | 24137 | 2022-03-04 13:23:05 |
| nwli-20220304_pre.xml | 12542 | 2022-03-04 13:23:05 |
| R1.htm | 38591 | 2022-03-04 13:23:05 |
| report.css | 2767 | 2022-03-04 13:23:05 |
| Show.js | 1085 | 2022-03-04 13:23:05 |