Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0000799233-25-000051-index-headers.html | 2025-11-06 16:51:21 | |
| 0000799233-25-000051-index.html | 2025-11-06 16:51:21 | |
| 0000799233-25-000051.txt | 2025-11-06 16:51:21 | |
 0000799233-25-000051-xbrl.zip | 20953 | 2025-11-06 16:51:21 |
| FilingSummary.xml | 1630 | 2025-11-06 16:51:21 |
| htld-20251031.htm | 29580 | 2025-11-06 16:51:21 |
| htld-20251031.xsd | 1809 | 2025-11-06 16:51:21 |
| htld-20251031_htm.xml | 3380 | 2025-11-06 16:51:21 |
| htld-20251031_lab.xml | 21629 | 2025-11-06 16:51:21 |
| htld-20251031_pre.xml | 12526 | 2025-11-06 16:51:21 |
| htld2025q3earningsrelease.htm | 211004 | 2025-11-06 16:51:21 |
| MetaLinks.json | 17095 | 2025-11-06 16:51:21 |
| R1.htm | 38062 | 2025-11-06 16:51:21 |
| report.css | 2766 | 2025-11-06 16:51:21 |
| Show.js | 1084 | 2025-11-06 16:51:21 |