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|---|---|---|
 0001623632-25-001221-index-headers.html | 2025-09-15 17:34:41 | |
| 0001623632-25-001221-index.html | 2025-09-15 17:34:41 | |
| 0001623632-25-001221.txt | 2025-09-15 17:34:41 | |
 0001623632-25-001221-xbrl.zip | 55923 | 2025-09-15 17:34:41 |
| fef-20250915.htm | 183564 | 2025-09-15 17:34:41 |
| fef-20250915.xsd | 38989 | 2025-09-15 17:34:41 |
| fef-20250915_htm.xml | 107134 | 2025-09-15 17:34:41 |
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 fhilogok11p.jpg | 28630 | 2025-09-15 17:34:41 |
| FilingSummary.xml | 1794 | 2025-09-15 17:34:41 |
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| R1.htm | 115583 | 2025-09-15 17:34:41 |
| report.css | 2766 | 2025-09-15 17:34:41 |
| Show.js | 1084 | 2025-09-15 17:34:41 |