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| 0000733076-25-000003-index.html | 2025-03-03 17:47:23 | |
| 0000733076-25-000003.txt | 2025-03-03 17:47:23 | |
 0000733076-25-000003-xbrl.zip | 765245 | 2025-03-03 17:47:23 |
| bhl-20241231.htm | 5504950 | 2025-03-03 17:47:23 |
| bhl-20241231.xsd | 117389 | 2025-03-03 17:47:23 |
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| bhl-20241231_htm.xml | 7610063 | 2025-03-03 17:47:23 |
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| report.css | 2768 | 2025-03-03 17:47:23 |
| Show.js | 1086 | 2025-03-03 17:47:23 |