Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0000799233-24-000026-index-headers.html | 2024-07-25 20:42:55 | |
| 0000799233-24-000026-index.html | 2024-07-25 20:42:55 | |
| 0000799233-24-000026.txt | 2024-07-25 20:42:55 | |
 0000799233-24-000026-xbrl.zip | 21099 | 2024-07-25 20:42:55 |
| FilingSummary.xml | 1630 | 2024-07-25 20:42:55 |
| Financial_Report.xlsx | 5684 | 2024-07-25 20:42:55 |
| htld-20240723.htm | 34578 | 2024-07-25 20:42:55 |
| htld-20240723.xsd | 1928 | 2024-07-25 20:42:55 |
| htld-20240723_htm.xml | 3477 | 2024-07-25 20:42:55 |
| htld-20240723_lab.xml | 21629 | 2024-07-25 20:42:55 |
| htld-20240723_pre.xml | 12526 | 2024-07-25 20:42:55 |
| htld2024q2earningsrelease.htm | 211579 | 2024-07-25 20:42:55 |
| MetaLinks.json | 17096 | 2024-07-25 20:42:55 |
| R1.htm | 38078 | 2024-07-25 20:42:55 |
| report.css | 2767 | 2024-07-25 20:42:55 |
| Show.js | 1084 | 2024-07-25 20:42:55 |