Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0001635984-23-000002-index-headers.html | 2023-03-10 17:11:12 | |
| 0001635984-23-000002-index.html | 2023-03-10 17:11:12 | |
| 0001635984-23-000002.txt | 2023-03-10 17:11:12 | |
 0001635984-23-000002-xbrl.zip | 15949 | 2023-03-10 17:11:12 |
| exhibit991-12x31x2022.htm | 59397 | 2023-03-10 17:11:12 |
| FilingSummary.xml | 1673 | 2023-03-10 17:11:12 |
| Financial_Report.xlsx | 5708 | 2023-03-10 17:11:12 |
| MetaLinks.json | 17526 | 2023-03-10 17:11:12 |
 newsreleaseheadernwlgia20.jpg | 124378 | 2023-03-10 17:11:12 |
| nwli-20230310.htm | 40679 | 2023-03-10 17:11:12 |
| nwli-20230310.xsd | 1948 | 2023-03-10 17:11:12 |
| nwli-20230310_htm.xml | 10832 | 2023-03-10 17:11:12 |
| nwli-20230310_lab.xml | 24137 | 2023-03-10 17:11:12 |
| nwli-20230310_pre.xml | 12542 | 2023-03-10 17:11:12 |
| R1.htm | 38105 | 2023-03-10 17:11:12 |
| report.css | 2767 | 2023-03-10 17:11:12 |
| Show.js | 1085 | 2023-03-10 17:11:12 |