Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0000799233-26-000031-index-headers.html | 2026-05-14 18:07:01 | |
| 0000799233-26-000031-index.html | 2026-05-14 18:07:01 | |
| 0000799233-26-000031.txt | 2026-05-14 18:07:01 | |
 0000799233-26-000031-xbrl.zip | 9271 | 2026-05-14 18:07:01 |
| FilingSummary.xml | 1630 | 2026-05-14 18:07:01 |
| htld-20260514.htm | 44087 | 2026-05-14 18:07:01 |
| htld-20260514.xsd | 1809 | 2026-05-14 18:07:01 |
| htld-20260514_htm.xml | 2710 | 2026-05-14 18:07:01 |
| htld-20260514_lab.xml | 21629 | 2026-05-14 18:07:01 |
| htld-20260514_pre.xml | 12526 | 2026-05-14 18:07:01 |
| MetaLinks.json | 17095 | 2026-05-14 18:07:01 |
| R1.htm | 38061 | 2026-05-14 18:07:01 |
| report.css | 2766 | 2026-05-14 18:07:01 |
| Show.js | 1084 | 2026-05-14 18:07:01 |