Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0000799233-26-000043-index-headers.html | 2026-09-16 18:03:04 | |
| 0000799233-26-000043-index.html | 2026-09-16 18:03:04 | |
| 0000799233-26-000043.txt | 2026-09-16 18:03:04 | |
 0000799233-26-000043-xbrl.zip | 10427 | 2026-09-16 18:03:04 |
| FilingSummary.xml | 1644 | 2026-09-16 18:03:04 |
| htld-20260915.htm | 28346 | 2026-09-16 18:03:04 |
| htld-20260915.xsd | 2058 | 2026-09-16 18:03:04 |
| htld-20260915_htm.xml | 2709 | 2026-09-16 18:03:04 |
| htld-20260915_lab.xml | 22150 | 2026-09-16 18:03:04 |
| htld-20260915_pre.xml | 12633 | 2026-09-16 18:03:04 |
| htld2026q3dividendreleasee.htm | 3919 | 2026-09-16 18:03:04 |
| MetaLinks.json | 17280 | 2026-09-16 18:03:04 |
| R1.htm | 38098 | 2026-09-16 18:03:04 |
| report.css | 2766 | 2026-09-16 18:03:04 |
| Show.js | 1084 | 2026-09-16 18:03:04 |