Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0000950170-24-020565-index-headers.html | 2024-02-26 21:59:13 | |
| 0000950170-24-020565-index.html | 2024-02-26 21:59:13 | |
| 0000950170-24-020565.txt | 2024-02-26 21:59:13 | |
 0000950170-24-020565-xbrl.zip | 402603 | 2024-02-26 21:59:13 |
| bhe-20231231.htm | 3434853 | 2024-02-26 21:59:13 |
| bhe-20231231.xsd | 1776822 | 2024-02-26 21:59:13 |
| bhe-20231231_htm.xml | 3862888 | 2024-02-26 21:59:13 |
| bhe-ex21_1.htm | 41164 | 2024-02-26 21:59:13 |
| bhe-ex23.htm | 2869 | 2024-02-26 21:59:13 |
| bhe-ex31_1.htm | 14508 | 2024-02-26 21:59:13 |
| bhe-ex31_2.htm | 14269 | 2024-02-26 21:59:13 |
| bhe-ex32_1.htm | 7081 | 2024-02-26 21:59:13 |
| bhe-ex32_2.htm | 7078 | 2024-02-26 21:59:13 |
| bhe-ex97_1.htm | 31207 | 2024-02-26 21:59:13 |
| FilingSummary.xml | 58889 | 2024-02-26 21:59:13 |
| Financial_Report.xlsx | 150930 | 2024-02-26 21:59:13 |
 img222885612_0.jpg | 30039 | 2024-02-26 21:59:13 |
| MetaLinks.json | 1190636 | 2024-02-26 21:59:13 |
| R1.htm | 71079 | 2024-02-26 21:59:13 |
| R10.htm | 135822 | 2024-02-26 21:59:13 |
| R11.htm | 18492 | 2024-02-26 21:59:13 |
| R12.htm | 33928 | 2024-02-26 21:59:13 |
| R13.htm | 92848 | 2024-02-26 21:59:13 |
| R14.htm | 45104 | 2024-02-26 21:59:13 |
| R15.htm | 110139 | 2024-02-26 21:59:13 |
| R16.htm | 131916 | 2024-02-26 21:59:13 |
| R17.htm | 254128 | 2024-02-26 21:59:13 |
| R18.htm | 15688 | 2024-02-26 21:59:13 |
| R19.htm | 32648 | 2024-02-26 21:59:13 |
| R2.htm | 104147 | 2024-02-26 21:59:13 |
| R20.htm | 5541 | 2024-02-26 21:59:13 |
| R21.htm | 8368 | 2024-02-26 21:59:13 |
| R22.htm | 194859 | 2024-02-26 21:59:13 |
| R23.htm | 178250 | 2024-02-26 21:59:13 |
| R24.htm | 9901 | 2024-02-26 21:59:13 |
| R25.htm | 5968 | 2024-02-26 21:59:13 |
| R26.htm | 173960 | 2024-02-26 21:59:13 |
| R27.htm | 6885 | 2024-02-26 21:59:13 |
| R28.htm | 73549 | 2024-02-26 21:59:13 |
| R29.htm | 25572 | 2024-02-26 21:59:13 |
| R3.htm | 21423 | 2024-02-26 21:59:13 |
| R30.htm | 182771 | 2024-02-26 21:59:13 |
| R31.htm | 86031 | 2024-02-26 21:59:13 |
| R32.htm | 19142 | 2024-02-26 21:59:13 |
| R33.htm | 32894 | 2024-02-26 21:59:13 |
| R34.htm | 99282 | 2024-02-26 21:59:13 |
| R35.htm | 21697 | 2024-02-26 21:59:13 |
| R36.htm | 111472 | 2024-02-26 21:59:13 |
| R37.htm | 131380 | 2024-02-26 21:59:13 |
| R38.htm | 233505 | 2024-02-26 21:59:13 |
| R39.htm | 11066 | 2024-02-26 21:59:13 |
| R4.htm | 81463 | 2024-02-26 21:59:13 |
| R40.htm | 18293 | 2024-02-26 21:59:13 |
| R41.htm | 192113 | 2024-02-26 21:59:13 |
| R42.htm | 168690 | 2024-02-26 21:59:13 |
| R43.htm | 167319 | 2024-02-26 21:59:13 |
| R44.htm | 72247 | 2024-02-26 21:59:13 |
| R45.htm | 24709 | 2024-02-26 21:59:13 |
| R46.htm | 74170 | 2024-02-26 21:59:13 |
| R47.htm | 11410 | 2024-02-26 21:59:13 |
| R48.htm | 41348 | 2024-02-26 21:59:13 |
| R49.htm | 19685 | 2024-02-26 21:59:13 |
| R5.htm | 33101 | 2024-02-26 21:59:13 |
| R50.htm | 10606 | 2024-02-26 21:59:13 |
| R51.htm | 25379 | 2024-02-26 21:59:13 |
| R52.htm | 14352 | 2024-02-26 21:59:13 |
| R53.htm | 23448 | 2024-02-26 21:59:13 |
| R54.htm | 7446 | 2024-02-26 21:59:13 |
| R55.htm | 12620 | 2024-02-26 21:59:13 |
| R56.htm | 13152 | 2024-02-26 21:59:13 |
| R57.htm | 17954 | 2024-02-26 21:59:13 |
| R58.htm | 102380 | 2024-02-26 21:59:13 |
| R59.htm | 57748 | 2024-02-26 21:59:13 |
| R6.htm | 78382 | 2024-02-26 21:59:13 |
| R60.htm | 28217 | 2024-02-26 21:59:13 |
| R61.htm | 15399 | 2024-02-26 21:59:13 |
| R62.htm | 47369 | 2024-02-26 21:59:13 |
| R63.htm | 23042 | 2024-02-26 21:59:13 |
| R64.htm | 31996 | 2024-02-26 21:59:13 |
| R65.htm | 41020 | 2024-02-26 21:59:13 |
| R66.htm | 28310 | 2024-02-26 21:59:13 |
| R67.htm | 12138 | 2024-02-26 21:59:13 |
| R68.htm | 27086 | 2024-02-26 21:59:13 |
| R69.htm | 94743 | 2024-02-26 21:59:13 |
| R7.htm | 102606 | 2024-02-26 21:59:13 |
| R70.htm | 51006 | 2024-02-26 21:59:13 |
| R71.htm | 10819 | 2024-02-26 21:59:13 |
| R72.htm | 13498 | 2024-02-26 21:59:13 |
| R73.htm | 21935 | 2024-02-26 21:59:13 |
| R74.htm | 9352 | 2024-02-26 21:59:13 |
| R75.htm | 23916 | 2024-02-26 21:59:13 |
| R76.htm | 14725 | 2024-02-26 21:59:13 |
| R77.htm | 7957 | 2024-02-26 21:59:13 |
| R78.htm | 59986 | 2024-02-26 21:59:13 |
| R79.htm | 26332 | 2024-02-26 21:59:13 |
| R8.htm | 15214 | 2024-02-26 21:59:13 |
| R80.htm | 63653 | 2024-02-26 21:59:13 |
| R81.htm | 15692 | 2024-02-26 21:59:13 |
| R82.htm | 9107 | 2024-02-26 21:59:13 |
| R83.htm | 8996 | 2024-02-26 21:59:13 |
| R84.htm | 25536 | 2024-02-26 21:59:13 |
| R85.htm | 24408 | 2024-02-26 21:59:13 |
| R86.htm | 30452 | 2024-02-26 21:59:13 |
| R87.htm | 4398 | 2024-02-26 21:59:13 |
| R88.htm | 33436 | 2024-02-26 21:59:13 |
| R89.htm | 11407 | 2024-02-26 21:59:13 |
| R9.htm | 8481 | 2024-02-26 21:59:13 |
| report.css | 2768 | 2024-02-26 21:59:13 |
| Show.js | 1086 | 2024-02-26 21:59:13 |