Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0000950170-24-119821-index-headers.html | 2024-11-01 08:56:47 | |
| 0000950170-24-119821-index.html | 2024-11-01 08:56:47 | |
| 0000950170-24-119821.txt | 2024-11-01 08:56:47 | |
 0000950170-24-119821-xbrl.zip | 6988 | 2024-11-01 08:56:47 |
| bkh-20241028.htm | 35450 | 2024-11-01 08:56:47 |
| bkh-20241028.xsd | 23916 | 2024-11-01 08:56:47 |
| bkh-20241028_htm.xml | 4517 | 2024-11-01 08:56:47 |
| FilingSummary.xml | 1663 | 2024-11-01 08:56:47 |
| Financial_Report.xlsx | 5699 | 2024-11-01 08:56:47 |
| MetaLinks.json | 17569 | 2024-11-01 08:56:47 |
| R1.htm | 38104 | 2024-11-01 08:56:47 |
| report.css | 2766 | 2024-11-01 08:56:47 |
| Show.js | 1084 | 2024-11-01 08:56:47 |