Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0000799233-26-000033-index-headers.html | 2026-05-18 17:52:49 | |
| 0000799233-26-000033-index.html | 2026-05-18 17:52:49 | |
| 0000799233-26-000033.txt | 2026-05-18 17:52:49 | |
 0000799233-26-000033-xbrl.zip | 9023 | 2026-05-18 17:52:49 |
| FilingSummary.xml | 1644 | 2026-05-18 17:52:49 |
| htld-20260514.htm | 33928 | 2026-05-18 17:52:49 |
| htld-20260514.xsd | 2058 | 2026-05-18 17:52:49 |
| htld-20260514_htm.xml | 2709 | 2026-05-18 17:52:49 |
| htld-20260514_lab.xml | 22150 | 2026-05-18 17:52:49 |
| htld-20260514_pre.xml | 12633 | 2026-05-18 17:52:49 |
| MetaLinks.json | 17280 | 2026-05-18 17:52:49 |
| R1.htm | 38096 | 2026-05-18 17:52:49 |
| report.css | 2766 | 2026-05-18 17:52:49 |
| Show.js | 1084 | 2026-05-18 17:52:49 |