Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0000354707-22-000052-index-headers.html | 2022-04-14 16:19:30 | |
| 0000354707-22-000052-index.html | 2022-04-14 16:19:30 | |
| 0000354707-22-000052.txt | 2022-04-14 16:19:30 | |
 0000354707-22-000052-xbrl.zip | 76764 | 2022-04-14 16:19:30 |
| exhibit992021statsupp.htm | 1883803 | 2022-04-14 16:19:30 |
| FilingSummary.xml | 1670 | 2022-04-14 16:19:30 |
| Financial_Report.xlsx | 5889 | 2022-04-14 16:19:30 |
| he-20220414.htm | 44289 | 2022-04-14 16:19:30 |
| he-20220414.xsd | 2602 | 2022-04-14 16:19:30 |
| he-20220414_def.xml | 16321 | 2022-04-14 16:19:30 |
| he-20220414_htm.xml | 16761 | 2022-04-14 16:19:30 |
| he-20220414_lab.xml | 31338 | 2022-04-14 16:19:30 |
| he-20220414_pre.xml | 16558 | 2022-04-14 16:19:30 |
 hei-coverpagex032922a.jpg | 315408 | 2022-04-14 16:19:30 |
| MetaLinks.json | 20721 | 2022-04-14 16:19:30 |
| R1.htm | 43930 | 2022-04-14 16:19:30 |
| report.css | 2767 | 2022-04-14 16:19:30 |
| Show.js | 1085 | 2022-04-14 16:19:30 |