Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0000070684-14-000043-index-headers.html | 2014-11-07 12:57:50 | |
| 0000070684-14-000043-index.html | 2014-11-07 12:57:50 | |
| 0000070684-14-000043.txt | 2014-11-07 12:57:50 | |
 0000070684-14-000043-xbrl.zip | 341124 | 2014-11-07 12:57:50 |
| FilingSummary.xml | 25502 | 2014-11-07 12:57:50 |
| Financial_Report.xls | 4384556 | 2014-11-07 12:57:50 |
| Financial_Report.xlsx | 371811 | 2014-11-07 12:57:50 |
| nwli-20140930.xml | 5390292 | 2014-11-07 12:57:50 |
| nwli-20140930.xsd | 53756 | 2014-11-07 12:57:50 |
| nwli-20140930_cal.xml | 99750 | 2014-11-07 12:57:50 |
| nwli-20140930_def.xml | 375545 | 2014-11-07 12:57:50 |
| nwli-20140930_lab.xml | 858318 | 2014-11-07 12:57:50 |
| nwli-20140930_pre.xml | 483351 | 2014-11-07 12:57:50 |
| nwli2014q310q.htm | 3786165 | 2014-11-07 12:57:50 |
| nwli2014q310qex-31a.htm | 18346 | 2014-11-07 12:57:50 |
| nwli2014q310qex-31b.htm | 20120 | 2014-11-07 12:57:50 |
| nwli2014q310qex-32a.htm | 23766 | 2014-11-07 12:57:50 |
 nwllogo2013a02a01a01.jpg | 24916 | 2014-11-07 12:57:50 |
| R1.htm | 27381 | 2014-11-07 12:57:50 |
| R10.htm | 12777 | 2014-11-07 12:57:50 |
| R11.htm | 144423 | 2014-11-07 12:57:50 |
| R12.htm | 94334 | 2014-11-07 12:57:50 |
| R13.htm | 423765 | 2014-11-07 12:57:50 |
| R14.htm | 106116 | 2014-11-07 12:57:50 |
| R15.htm | 18471 | 2014-11-07 12:57:50 |
| R16.htm | 540041 | 2014-11-07 12:57:50 |
| R17.htm | 591496 | 2014-11-07 12:57:50 |
| R18.htm | 110342 | 2014-11-07 12:57:50 |
| R19.htm | 34396 | 2014-11-07 12:57:50 |
| R2.htm | 113335 | 2014-11-07 12:57:50 |
| R20.htm | 141901 | 2014-11-07 12:57:50 |
| R21.htm | 85067 | 2014-11-07 12:57:50 |
| R22.htm | 432090 | 2014-11-07 12:57:50 |
| R23.htm | 97740 | 2014-11-07 12:57:50 |
| R24.htm | 544870 | 2014-11-07 12:57:50 |
| R25.htm | 646748 | 2014-11-07 12:57:50 |
| R26.htm | 103525 | 2014-11-07 12:57:50 |
| R27.htm | 25274 | 2014-11-07 12:57:50 |
| R28.htm | 9028 | 2014-11-07 12:57:50 |
| R29.htm | 47635 | 2014-11-07 12:57:50 |
| R3.htm | 27487 | 2014-11-07 12:57:50 |
| R30.htm | 7532 | 2014-11-07 12:57:50 |
| R31.htm | 47389 | 2014-11-07 12:57:50 |
| R32.htm | 113407 | 2014-11-07 12:57:50 |
| R33.htm | 37857 | 2014-11-07 12:57:50 |
| R34.htm | 73564 | 2014-11-07 12:57:50 |
| R35.htm | 39297 | 2014-11-07 12:57:50 |
| R36.htm | 28255 | 2014-11-07 12:57:50 |
| R37.htm | 25222 | 2014-11-07 12:57:50 |
| R38.htm | 63302 | 2014-11-07 12:57:50 |
| R39.htm | 70789 | 2014-11-07 12:57:50 |
| R4.htm | 86422 | 2014-11-07 12:57:50 |
| R40.htm | 99936 | 2014-11-07 12:57:50 |
| R41.htm | 32367 | 2014-11-07 12:57:50 |
| R42.htm | 44456 | 2014-11-07 12:57:50 |
| R43.htm | 94252 | 2014-11-07 12:57:50 |
| R44.htm | 77795 | 2014-11-07 12:57:50 |
| R45.htm | 54006 | 2014-11-07 12:57:50 |
| R46.htm | 13346 | 2014-11-07 12:57:50 |
| R47.htm | 17188 | 2014-11-07 12:57:50 |
| R48.htm | 9218 | 2014-11-07 12:57:50 |
| R5.htm | 42038 | 2014-11-07 12:57:50 |
| R6.htm | 64197 | 2014-11-07 12:57:50 |
| R7.htm | 141126 | 2014-11-07 12:57:50 |
| R8.htm | 41586 | 2014-11-07 12:57:50 |
| R9.htm | 10256 | 2014-11-07 12:57:50 |
| report.css | 2740 | 2014-11-07 12:57:50 |
| Show.js | 1410 | 2014-11-07 12:57:50 |