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| 0001628280-23-027319-index.html | 2023-08-03 16:56:51 | |
| 0001628280-23-027319.txt | 2023-08-03 16:56:51 | |
 0001628280-23-027319-xbrl.zip | 375799 | 2023-08-03 16:56:51 |
| cpk-20230630.htm | 2541605 | 2023-08-03 16:56:51 |
| cpk-20230630.xsd | 96886 | 2023-08-03 16:56:51 |
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