Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0000799233-25-000020-index-headers.html | 2025-03-28 11:10:57 | |
| 0000799233-25-000020-index.html | 2025-03-28 11:10:57 | |
| 0000799233-25-000020.txt | 2025-03-28 11:10:57 | |
 0000799233-25-000020-xbrl.zip | 1277018 | 2025-03-28 11:10:57 |
| FilingSummary.xml | 3010 | 2025-03-28 11:10:57 |
| htld-20250327.htm | 530047 | 2025-03-28 11:10:57 |
| htld-20250327.xsd | 11869 | 2025-03-28 11:10:57 |
| htld-20250327_def.xml | 26888 | 2025-03-28 11:10:57 |
 htld-20250327_g1.jpg | 463813 | 2025-03-28 11:10:57 |
 htld-20250327_g2.jpg | 447000 | 2025-03-28 11:10:57 |
 htld-20250327_g3.jpg | 439311 | 2025-03-28 11:10:57 |
 htld-20250327_g4.jpg | 166722 | 2025-03-28 11:10:57 |
 htld-20250327_g5.jpg | 170593 | 2025-03-28 11:10:57 |
| htld-20250327_htm.xml | 107706 | 2025-03-28 11:10:57 |
| htld-20250327_lab.xml | 143304 | 2025-03-28 11:10:57 |
| htld-20250327_pre.xml | 72900 | 2025-03-28 11:10:57 |
| MetaLinks.json | 97466 | 2025-03-28 11:10:57 |
| R1.htm | 10831 | 2025-03-28 11:10:57 |
| R2.htm | 131916 | 2025-03-28 11:10:57 |
| R3.htm | 4370 | 2025-03-28 11:10:57 |
| report.css | 2767 | 2025-03-28 11:10:57 |
| Show.js | 1085 | 2025-03-28 11:10:57 |