Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0000799233-26-000025-index-headers.html | 2026-04-24 17:43:49 | |
| 0000799233-26-000025-index.html | 2026-04-24 17:43:49 | |
| 0000799233-26-000025.txt | 2026-04-24 17:43:49 | |
 0000799233-26-000025-xbrl.zip | 19393 | 2026-04-24 17:43:49 |
| FilingSummary.xml | 1630 | 2026-04-24 17:43:49 |
| htld-20260423.htm | 29564 | 2026-04-24 17:43:49 |
| htld-20260423.xsd | 1809 | 2026-04-24 17:43:49 |
| htld-20260423_htm.xml | 3380 | 2026-04-24 17:43:49 |
| htld-20260423_lab.xml | 21629 | 2026-04-24 17:43:49 |
| htld-20260423_pre.xml | 12526 | 2026-04-24 17:43:49 |
| htld2026q1earningsrelease.htm | 175178 | 2026-04-24 17:43:49 |
| MetaLinks.json | 17095 | 2026-04-24 17:43:49 |
| R1.htm | 38062 | 2026-04-24 17:43:49 |
| report.css | 2766 | 2026-04-24 17:43:49 |
| Show.js | 1084 | 2026-04-24 17:43:49 |