Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0000950170-24-039321-index-headers.html | 2024-04-01 16:13:56 | |
| 0000950170-24-039321-index.html | 2024-04-01 16:13:56 | |
| 0000950170-24-039321.txt | 2024-04-01 16:13:56 | |
 0000950170-24-039321-xbrl.zip | 5652366 | 2024-04-01 16:13:56 |
| FilingSummary.xml | 4312 | 2024-04-01 16:13:56 |
 img179060775_0.jpg | 2726067 | 2024-04-01 16:13:56 |
 img179060775_1.jpg | 49241 | 2024-04-01 16:13:56 |
 img179060775_10.jpg | 28716 | 2024-04-01 16:13:56 |
 img179060775_11.jpg | 27942 | 2024-04-01 16:13:56 |
 img179060775_12.jpg | 26031 | 2024-04-01 16:13:56 |
 img179060775_13.jpg | 26515 | 2024-04-01 16:13:56 |
 img179060775_14.jpg | 25126 | 2024-04-01 16:13:56 |
 img179060775_15.jpg | 24953 | 2024-04-01 16:13:56 |
 img179060775_16.jpg | 24784 | 2024-04-01 16:13:56 |
 img179060775_17.jpg | 27296 | 2024-04-01 16:13:56 |
 img179060775_18.jpg | 29876 | 2024-04-01 16:13:56 |
 img179060775_19.jpg | 27683 | 2024-04-01 16:13:56 |
 img179060775_2.jpg | 62190 | 2024-04-01 16:13:56 |
 img179060775_20.jpg | 34463 | 2024-04-01 16:13:56 |
 img179060775_21.jpg | 54261 | 2024-04-01 16:13:56 |
 img179060775_22.jpg | 32393 | 2024-04-01 16:13:56 |
 img179060775_23.jpg | 46802 | 2024-04-01 16:13:56 |
 img179060775_24.jpg | 49033 | 2024-04-01 16:13:56 |
 img179060775_25.jpg | 37361 | 2024-04-01 16:13:56 |
 img179060775_26.jpg | 67183 | 2024-04-01 16:13:56 |
 img179060775_27.jpg | 42214 | 2024-04-01 16:13:56 |
 img179060775_28.jpg | 44777 | 2024-04-01 16:13:56 |
 img179060775_29.jpg | 43626 | 2024-04-01 16:13:56 |
 img179060775_3.jpg | 59880 | 2024-04-01 16:13:56 |
 img179060775_30.jpg | 40905 | 2024-04-01 16:13:56 |
 img179060775_31.jpg | 38542 | 2024-04-01 16:13:56 |
 img179060775_32.jpg | 48227 | 2024-04-01 16:13:56 |
 img179060775_33.jpg | 37447 | 2024-04-01 16:13:56 |
 img179060775_34.jpg | 49059 | 2024-04-01 16:13:56 |
 img179060775_35.jpg | 47099 | 2024-04-01 16:13:56 |
 img179060775_36.jpg | 65819 | 2024-04-01 16:13:56 |
 img179060775_37.jpg | 43860 | 2024-04-01 16:13:56 |
 img179060775_38.jpg | 44143 | 2024-04-01 16:13:56 |
 img179060775_39.jpg | 49241 | 2024-04-01 16:13:56 |
 img179060775_4.jpg | 37888 | 2024-04-01 16:13:56 |
 img179060775_40.jpg | 51554 | 2024-04-01 16:13:56 |
 img179060775_41.jpg | 63419 | 2024-04-01 16:13:56 |
 img179060775_42.jpg | 28716 | 2024-04-01 16:13:56 |
 img179060775_43.jpg | 19934 | 2024-04-01 16:13:56 |
 img179060775_44.jpg | 22673 | 2024-04-01 16:13:56 |
 img179060775_45.jpg | 421081 | 2024-04-01 16:13:56 |
 img179060775_46.jpg | 420760 | 2024-04-01 16:13:56 |
 img179060775_47.jpg | 372029 | 2024-04-01 16:13:56 |
 img179060775_48.jpg | 368725 | 2024-04-01 16:13:56 |
 img179060775_49.jpg | 28716 | 2024-04-01 16:13:56 |
 img179060775_5.jpg | 41945 | 2024-04-01 16:13:56 |
 img179060775_50.jpg | 28716 | 2024-04-01 16:13:56 |
 img179060775_51.jpg | 929288 | 2024-04-01 16:13:56 |
 img179060775_52.jpg | 121285 | 2024-04-01 16:13:56 |
 img179060775_53.jpg | 96753 | 2024-04-01 16:13:56 |
 img179060775_6.jpg | 98026 | 2024-04-01 16:13:56 |
 img179060775_7.jpg | 90501 | 2024-04-01 16:13:56 |
 img179060775_8.jpg | 124684 | 2024-04-01 16:13:56 |
 img179060775_9.jpg | 119055 | 2024-04-01 16:13:56 |
| MetaLinks.json | 99070 | 2024-04-01 16:13:56 |
| natl-20240401.htm | 2902177 | 2024-04-01 16:13:56 |
| natl-20240401.xsd | 36161 | 2024-04-01 16:13:56 |
| natl-20240401_htm.xml | 247026 | 2024-04-01 16:13:56 |
| R1.htm | 8951 | 2024-04-01 16:13:56 |
| R2.htm | 273834 | 2024-04-01 16:13:56 |
| report.css | 2767 | 2024-04-01 16:13:56 |
| Show.js | 1085 | 2024-04-01 16:13:56 |