Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0001104659-21-120764-index-headers.html | 2021-09-29 16:28:57 | |
| 0001104659-21-120764-index.html | 2021-09-29 16:28:57 | |
| 0001104659-21-120764.txt | 2021-09-29 16:28:57 | |
 0001104659-21-120764-xbrl.zip | 66732 | 2021-09-29 16:28:57 |
| FilingSummary.xml | 1709 | 2021-09-29 16:28:57 |
| Financial_Report.xlsx | 5687 | 2021-09-29 16:28:57 |
| hp-20210929.xsd | 3174 | 2021-09-29 16:28:57 |
| hp-20210929_lab.xml | 34594 | 2021-09-29 16:28:57 |
| hp-20210929_pre.xml | 22705 | 2021-09-29 16:28:57 |
| MetaLinks.json | 38253 | 2021-09-29 16:28:57 |
| R1.htm | 40140 | 2021-09-29 16:28:57 |
| report.css | 2767 | 2021-09-29 16:28:57 |
| Show.js | 1085 | 2021-09-29 16:28:57 |
| tm2128379d3_8k.htm | 40221 | 2021-09-29 16:28:57 |
| tm2128379d3_8k_htm.xml | 3599 | 2021-09-29 16:28:57 |
| tm2128379d3_ex4-2.htm | 200827 | 2021-09-29 16:28:57 |
| tm2128379d3_ex4-3.htm | 158990 | 2021-09-29 16:28:57 |
| tm2128379d3_ex99-1.htm | 8576 | 2021-09-29 16:28:57 |
 tm2128379d3_ex99-1img01.jpg | 5476 | 2021-09-29 16:28:57 |