Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0000799233-26-000004-index-headers.html | 2026-02-09 14:12:50 | |
| 0000799233-26-000004-index.html | 2026-02-09 14:12:50 | |
| 0000799233-26-000004.txt | 2026-02-09 14:12:50 | |
 0000799233-26-000004-xbrl.zip | 22017 | 2026-02-09 14:12:50 |
| a2025q4earningsrelease.htm | 183550 | 2026-02-09 14:12:50 |
| FilingSummary.xml | 1630 | 2026-02-09 14:12:50 |
| htld-20260203.htm | 29400 | 2026-02-09 14:12:50 |
| htld-20260203.xsd | 1809 | 2026-02-09 14:12:50 |
| htld-20260203_htm.xml | 2866 | 2026-02-09 14:12:50 |
| htld-20260203_lab.xml | 21629 | 2026-02-09 14:12:50 |
| htld-20260203_pre.xml | 12526 | 2026-02-09 14:12:50 |
| MetaLinks.json | 17095 | 2026-02-09 14:12:50 |
| R1.htm | 38063 | 2026-02-09 14:12:50 |
| report.css | 2766 | 2026-02-09 14:12:50 |
| Show.js | 1084 | 2026-02-09 14:12:50 |