Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0001635984-21-000018-index-headers.html | 2021-05-10 12:17:17 | |
| 0001635984-21-000018-index.html | 2021-05-10 12:17:17 | |
| 0001635984-21-000018.txt | 2021-05-10 12:17:17 | |
 0001635984-21-000018-xbrl.zip | 16784 | 2021-05-10 12:17:17 |
| exhibit991-03x31x2021.htm | 46657 | 2021-05-10 12:17:17 |
| FilingSummary.xml | 1745 | 2021-05-10 12:17:17 |
| Financial_Report.xlsx | 5687 | 2021-05-10 12:17:17 |
| MetaLinks.json | 17737 | 2021-05-10 12:17:17 |
 newsreleaseheadernwlgia201.jpg | 124378 | 2021-05-10 12:17:17 |
| nwli-20210510.htm | 40806 | 2021-05-10 12:17:17 |
| nwli-20210510.xsd | 2469 | 2021-05-10 12:17:17 |
| nwli-20210510_cal.xml | 744 | 2021-05-10 12:17:17 |
| nwli-20210510_def.xml | 1681 | 2021-05-10 12:17:17 |
| nwli-20210510_htm.xml | 11328 | 2021-05-10 12:17:17 |
| nwli-20210510_lab.xml | 24275 | 2021-05-10 12:17:17 |
| nwli-20210510_pre.xml | 12680 | 2021-05-10 12:17:17 |
| R1.htm | 38626 | 2021-05-10 12:17:17 |
| report.css | 2767 | 2021-05-10 12:17:17 |
| Show.js | 1085 | 2021-05-10 12:17:17 |