Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0000354707-21-000104-index-headers.html | 2021-10-29 21:31:15 | |
| 0000354707-21-000104-index.html | 2021-10-29 21:31:15 | |
| 0000354707-21-000104.txt | 2021-10-29 21:31:15 | |
 0000354707-21-000104-xbrl.zip | 22018 | 2021-10-29 21:31:15 |
| FilingSummary.xml | 1627 | 2021-10-29 21:31:15 |
| Financial_Report.xlsx | 5664 | 2021-10-29 21:31:15 |
| he-20211029.htm | 36004 | 2021-10-29 21:31:15 |
| he-20211029.xsd | 1881 | 2021-10-29 21:31:15 |
| he-20211029_htm.xml | 10578 | 2021-10-29 21:31:15 |
| he-20211029_lab.xml | 24128 | 2021-10-29 21:31:15 |
| he-20211029_pre.xml | 12496 | 2021-10-29 21:31:15 |
 heicatalyst2a38a.jpg | 48357 | 2021-10-29 21:31:15 |
| heiex99-8xkxaasb10x29x21co.htm | 179727 | 2021-10-29 21:31:15 |
| MetaLinks.json | 16369 | 2021-10-29 21:31:15 |
| R1.htm | 38577 | 2021-10-29 21:31:15 |
| report.css | 2767 | 2021-10-29 21:31:15 |
| Show.js | 1085 | 2021-10-29 21:31:15 |