Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0001628280-24-022818-index-headers.html | 2024-05-13 11:57:18 | |
| 0001628280-24-022818-index.html | 2024-05-13 11:57:18 | |
| 0001628280-24-022818.txt | 2024-05-13 11:57:18 | |
 0001628280-24-022818-xbrl.zip | 10011 | 2024-05-13 11:57:18 |
| cpk-20240508.htm | 31681 | 2024-05-13 11:57:18 |
| cpk-20240508.xsd | 1961 | 2024-05-13 11:57:18 |
| cpk-20240508_htm.xml | 2909 | 2024-05-13 11:57:18 |
| cpk-20240508_lab.xml | 21885 | 2024-05-13 11:57:18 |
| cpk-20240508_pre.xml | 12570 | 2024-05-13 11:57:18 |
| FilingSummary.xml | 1939 | 2024-05-13 11:57:18 |
| Financial_Report.xlsx | 5704 | 2024-05-13 11:57:18 |
| MetaLinks.json | 17514 | 2024-05-13 11:57:18 |
| R1.htm | 38115 | 2024-05-13 11:57:18 |
| report.css | 2766 | 2024-05-13 11:57:18 |
| Show.js | 1084 | 2024-05-13 11:57:18 |