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| 0001628280-24-005941-index.html | 2024-02-21 16:49:45 | |
| 0001628280-24-005941.txt | 2024-02-21 16:49:45 | |
 0001628280-24-005941-xbrl.zip | 54736 | 2024-02-21 16:49:45 |
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| cpk-20240221.htm | 29614 | 2024-02-21 16:49:45 |
| cpk-20240221.xsd | 1961 | 2024-02-21 16:49:45 |
| cpk-20240221_htm.xml | 3007 | 2024-02-21 16:49:45 |
| cpk-20240221_lab.xml | 24139 | 2024-02-21 16:49:45 |
| cpk-20240221_pre.xml | 12570 | 2024-02-21 16:49:45 |
| exhibit99-prq42023.htm | 953413 | 2024-02-21 16:49:45 |
| FilingSummary.xml | 1689 | 2024-02-21 16:49:45 |
| Financial_Report.xlsx | 5713 | 2024-02-21 16:49:45 |
| MetaLinks.json | 17515 | 2024-02-21 16:49:45 |
| R1.htm | 38114 | 2024-02-21 16:49:45 |
| report.css | 2767 | 2024-02-21 16:49:45 |
| Show.js | 1085 | 2024-02-21 16:49:45 |