Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0000799233-25-000049-index-headers.html | 2025-10-29 18:05:44 | |
| 0000799233-25-000049-index.html | 2025-10-29 18:05:44 | |
| 0000799233-25-000049.txt | 2025-10-29 18:05:44 | |
 0000799233-25-000049-xbrl.zip | 9115 | 2025-10-29 18:05:44 |
| FilingSummary.xml | 1644 | 2025-10-29 18:05:44 |
| htld-20251022.htm | 26794 | 2025-10-29 18:05:44 |
| htld-20251022.xsd | 2058 | 2025-10-29 18:05:44 |
| htld-20251022_htm.xml | 2709 | 2025-10-29 18:05:44 |
| htld-20251022_lab.xml | 22150 | 2025-10-29 18:05:44 |
| htld-20251022_pre.xml | 12633 | 2025-10-29 18:05:44 |
| MetaLinks.json | 17280 | 2025-10-29 18:05:44 |
| R1.htm | 38098 | 2025-10-29 18:05:44 |
| report.css | 2766 | 2025-10-29 18:05:44 |
| Show.js | 1084 | 2025-10-29 18:05:44 |