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| 0001635984-17-000025-index.html | 2017-08-04 15:21:49 | |
| 0001635984-17-000025.txt | 2017-08-04 15:21:49 | |
 0001635984-17-000025-xbrl.zip | 353998 | 2017-08-04 15:21:49 |
| FilingSummary.xml | 33672 | 2017-08-04 15:21:49 |
| Financial_Report.xlsx | 92779 | 2017-08-04 15:21:49 |
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| nwlgi2017q210q.htm | 3792468 | 2017-08-04 15:21:49 |
| nwlgi2017q210qex-31a.htm | 20217 | 2017-08-04 15:21:49 |
| nwlgi2017q210qex-31b.htm | 19940 | 2017-08-04 15:21:49 |
| nwlgi2017q210qex-32a.htm | 24617 | 2017-08-04 15:21:49 |
| nwli-20170630.xml | 5578856 | 2017-08-04 15:21:49 |
| nwli-20170630.xsd | 53393 | 2017-08-04 15:21:49 |
| nwli-20170630_cal.xml | 130970 | 2017-08-04 15:21:49 |
| nwli-20170630_def.xml | 389688 | 2017-08-04 15:21:49 |
| nwli-20170630_lab.xml | 917636 | 2017-08-04 15:21:49 |
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| report.css | 2767 | 2017-08-04 15:21:49 |
| Show.js | 1410 | 2017-08-04 15:21:49 |