Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0000950170-24-095429-index-headers.html | 2024-08-12 16:10:52 | |
| 0000950170-24-095429-index.html | 2024-08-12 16:10:52 | |
| 0000950170-24-095429.txt | 2024-08-12 16:10:52 | |
 0000950170-24-095429-xbrl.zip | 6838 | 2024-08-12 16:10:52 |
| bkh-20240809.htm | 34458 | 2024-08-12 16:10:52 |
| bkh-20240809.xsd | 23915 | 2024-08-12 16:10:52 |
| bkh-20240809_htm.xml | 4517 | 2024-08-12 16:10:52 |
| FilingSummary.xml | 1666 | 2024-08-12 16:10:52 |
| Financial_Report.xlsx | 5700 | 2024-08-12 16:10:52 |
| MetaLinks.json | 17569 | 2024-08-12 16:10:52 |
| R1.htm | 38109 | 2024-08-12 16:10:52 |
| report.css | 2766 | 2024-08-12 16:10:52 |
| Show.js | 1084 | 2024-08-12 16:10:52 |