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| 0001628280-24-036214-index.html | 2024-08-08 16:53:31 | |
| 0001628280-24-036214.txt | 2024-08-08 16:53:31 | |
 0001628280-24-036214-xbrl.zip | 539221 | 2024-08-08 16:53:31 |
| cpk-20240630.htm | 2598807 | 2024-08-08 16:53:31 |
| cpk-20240630.xsd | 109709 | 2024-08-08 16:53:31 |
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| report.css | 2767 | 2024-08-08 16:53:31 |
| Show.js | 1085 | 2024-08-08 16:53:31 |