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| 0000354707-22-000090-index.html | 2022-07-19 16:39:29 | |
| 0000354707-22-000090.txt | 2022-07-19 16:39:29 | |
 0000354707-22-000090-xbrl.zip | 13766 | 2022-07-19 16:39:29 |
| exhibit99hei8-k071722.htm | 9299 | 2022-07-19 16:39:29 |
| FilingSummary.xml | 1631 | 2022-07-19 16:39:29 |
| Financial_Report.xlsx | 5684 | 2022-07-19 16:39:29 |
| he-20220717.htm | 36655 | 2022-07-19 16:39:29 |
| he-20220717.xsd | 1881 | 2022-07-19 16:39:29 |
| he-20220717_htm.xml | 10592 | 2022-07-19 16:39:29 |
| he-20220717_lab.xml | 24128 | 2022-07-19 16:39:29 |
| he-20220717_pre.xml | 12496 | 2022-07-19 16:39:29 |
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| MetaLinks.json | 16369 | 2022-07-19 16:39:29 |
| R1.htm | 38552 | 2022-07-19 16:39:29 |
| report.css | 2767 | 2022-07-19 16:39:29 |
| Show.js | 1085 | 2022-07-19 16:39:29 |