Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0000799233-24-000043-index-headers.html | 2024-12-04 16:28:34 | |
| 0000799233-24-000043-index.html | 2024-12-04 16:28:34 | |
| 0000799233-24-000043.txt | 2024-12-04 16:28:34 | |
 0000799233-24-000043-xbrl.zip | 9203 | 2024-12-04 16:28:34 |
| FilingSummary.xml | 1630 | 2024-12-04 16:28:34 |
| Financial_Report.xlsx | 5681 | 2024-12-04 16:28:34 |
| htld-20241129.htm | 25483 | 2024-12-04 16:28:34 |
| htld-20241129.xsd | 1809 | 2024-12-04 16:28:34 |
| htld-20241129_htm.xml | 2710 | 2024-12-04 16:28:34 |
| htld-20241129_lab.xml | 21629 | 2024-12-04 16:28:34 |
| htld-20241129_pre.xml | 12526 | 2024-12-04 16:28:34 |
| MetaLinks.json | 17095 | 2024-12-04 16:28:34 |
| R1.htm | 38077 | 2024-12-04 16:28:34 |
| report.css | 2766 | 2024-12-04 16:28:34 |
| Show.js | 1084 | 2024-12-04 16:28:34 |