Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0000950170-22-000750-index-headers.html | 2022-02-03 16:49:12 | |
| 0000950170-22-000750-index.html | 2022-02-03 16:49:12 | |
| 0000950170-22-000750.txt | 2022-02-03 16:49:12 | |
 0000950170-22-000750-xbrl.zip | 38417 | 2022-02-03 16:49:12 |
| bhe-20220203.htm | 55800 | 2022-02-03 16:49:12 |
| bhe-20220203.xsd | 2463 | 2022-02-03 16:49:12 |
| bhe-20220203_htm.xml | 4753 | 2022-02-03 16:49:12 |
| bhe-20220203_lab.xml | 13466 | 2022-02-03 16:49:12 |
| bhe-20220203_pre.xml | 9885 | 2022-02-03 16:49:12 |
| bhe-ex99_1.htm | 921297 | 2022-02-03 16:49:12 |
| bhe-ex99_2.htm | 21293 | 2022-02-03 16:49:12 |
 bhe-ex99_2s1.jpg | 42811 | 2022-02-03 16:49:12 |
 bhe-ex99_2s10.jpg | 58420 | 2022-02-03 16:49:12 |
 bhe-ex99_2s11.jpg | 49787 | 2022-02-03 16:49:12 |
 bhe-ex99_2s12.jpg | 78574 | 2022-02-03 16:49:12 |
 bhe-ex99_2s13.jpg | 73439 | 2022-02-03 16:49:12 |
 bhe-ex99_2s14.jpg | 67388 | 2022-02-03 16:49:12 |
 bhe-ex99_2s15.jpg | 36567 | 2022-02-03 16:49:12 |
 bhe-ex99_2s16.jpg | 76890 | 2022-02-03 16:49:12 |
 bhe-ex99_2s17.jpg | 68762 | 2022-02-03 16:49:12 |
 bhe-ex99_2s18.jpg | 55512 | 2022-02-03 16:49:12 |
 bhe-ex99_2s19.jpg | 87014 | 2022-02-03 16:49:12 |
 bhe-ex99_2s2.jpg | 120368 | 2022-02-03 16:49:12 |
 bhe-ex99_2s20.jpg | 30382 | 2022-02-03 16:49:12 |
 bhe-ex99_2s21.jpg | 65562 | 2022-02-03 16:49:12 |
 bhe-ex99_2s3.jpg | 59647 | 2022-02-03 16:49:12 |
 bhe-ex99_2s4.jpg | 80525 | 2022-02-03 16:49:12 |
 bhe-ex99_2s5.jpg | 78095 | 2022-02-03 16:49:12 |
 bhe-ex99_2s6.jpg | 47758 | 2022-02-03 16:49:12 |
 bhe-ex99_2s7.jpg | 67916 | 2022-02-03 16:49:12 |
 bhe-ex99_2s8.jpg | 68905 | 2022-02-03 16:49:12 |
 bhe-ex99_2s9.jpg | 63989 | 2022-02-03 16:49:12 |
| FilingSummary.xml | 1759 | 2022-02-03 16:49:12 |
| Financial_Report.xlsx | 5741 | 2022-02-03 16:49:12 |
| MetaLinks.json | 17390 | 2022-02-03 16:49:12 |
| R1.htm | 40226 | 2022-02-03 16:49:12 |
| report.css | 2767 | 2022-02-03 16:49:12 |
| Show.js | 1085 | 2022-02-03 16:49:12 |