Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0001081316-22-000015-index-headers.html | 2022-04-25 16:57:46 | |
| 0001081316-22-000015-index.html | 2022-04-25 16:57:46 | |
| 0001081316-22-000015.txt | 2022-04-25 16:57:46 | |
 0001081316-22-000015-xbrl.zip | 55178 | 2022-04-25 16:57:46 |
| bhe-20220421.htm | 36310 | 2022-04-25 16:57:46 |
| bhe-20220421.xsd | 2155 | 2022-04-25 16:57:46 |
| bhe-20220421_def.xml | 13068 | 2022-04-25 16:57:46 |
| bhe-20220421_htm.xml | 9878 | 2022-04-25 16:57:46 |
| bhe-20220421_lab.xml | 25081 | 2022-04-25 16:57:46 |
| bhe-20220421_pre.xml | 13437 | 2022-04-25 16:57:46 |
| bhe-seventeenthsupplementa.htm | 317801 | 2022-04-25 16:57:46 |
| FilingSummary.xml | 1686 | 2022-04-25 16:57:46 |
| Financial_Report.xlsx | 5564 | 2022-04-25 16:57:46 |
| MetaLinks.json | 17269 | 2022-04-25 16:57:46 |
| R1.htm | 34130 | 2022-04-25 16:57:46 |
| report.css | 2767 | 2022-04-25 16:57:46 |
| Show.js | 1085 | 2022-04-25 16:57:46 |