Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0001193125-23-286726-index-headers.html | 2023-12-01 07:00:53 | |
| 0001193125-23-286726-index.html | 2023-12-01 07:00:53 | |
| 0001193125-23-286726.txt | 2023-12-01 07:00:53 | |
 0001193125-23-286726-xbrl.zip | 11517 | 2023-12-01 07:00:53 |
| cpk-20231130.xsd | 2838 | 2023-12-01 07:00:53 |
| cpk-20231130_lab.xml | 17235 | 2023-12-01 07:00:53 |
| cpk-20231130_pre.xml | 10805 | 2023-12-01 07:00:53 |
| d848856d8k.htm | 31229 | 2023-12-01 07:00:53 |
| d848856d8k_htm.xml | 3313 | 2023-12-01 07:00:53 |
| d848856dex991.htm | 8136 | 2023-12-01 07:00:53 |
| FilingSummary.xml | 1707 | 2023-12-01 07:00:53 |
| Financial_Report.xlsx | 5697 | 2023-12-01 07:00:53 |
 g848856g01b90.jpg | 15444 | 2023-12-01 07:00:53 |
| MetaLinks.json | 18192 | 2023-12-01 07:00:53 |
| R1.htm | 38096 | 2023-12-01 07:00:53 |
| report.css | 2767 | 2023-12-01 07:00:53 |
| Show.js | 1085 | 2023-12-01 07:00:53 |