Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0001628280-23-008680-index-headers.html | 2023-03-21 09:05:24 | |
| 0001628280-23-008680-index.html | 2023-03-21 09:05:24 | |
| 0001628280-23-008680.txt | 2023-03-21 09:05:24 | |
 0001628280-23-008680-xbrl.zip | 2314023 | 2023-03-21 09:05:24 |
| cpk-20230317.htm | 1396413 | 2023-03-21 09:05:24 |
| cpk-20230317.xsd | 3426 | 2023-03-21 09:05:24 |
| cpk-20230317_def.xml | 4426 | 2023-03-21 09:05:24 |
 cpk-20230317_g1.jpg | 176183 | 2023-03-21 09:05:24 |
 cpk-20230317_g10.jpg | 36676 | 2023-03-21 09:05:24 |
 cpk-20230317_g11.jpg | 26163 | 2023-03-21 09:05:24 |
 cpk-20230317_g12.jpg | 29954 | 2023-03-21 09:05:24 |
 cpk-20230317_g13.jpg | 51475 | 2023-03-21 09:05:24 |
 cpk-20230317_g14.jpg | 35529 | 2023-03-21 09:05:24 |
 cpk-20230317_g15.jpg | 26161 | 2023-03-21 09:05:24 |
 cpk-20230317_g16.jpg | 29670 | 2023-03-21 09:05:24 |
 cpk-20230317_g17.jpg | 29134 | 2023-03-21 09:05:24 |
 cpk-20230317_g18.jpg | 23132 | 2023-03-21 09:05:24 |
 cpk-20230317_g19.jpg | 21246 | 2023-03-21 09:05:24 |
 cpk-20230317_g2.jpg | 22432 | 2023-03-21 09:05:24 |
 cpk-20230317_g20.jpg | 11985 | 2023-03-21 09:05:24 |
 cpk-20230317_g21.jpg | 12017 | 2023-03-21 09:05:24 |
 cpk-20230317_g22.jpg | 22500 | 2023-03-21 09:05:24 |
 cpk-20230317_g23.jpg | 13073 | 2023-03-21 09:05:24 |
 cpk-20230317_g24.jpg | 13012 | 2023-03-21 09:05:24 |
 cpk-20230317_g25.jpg | 29518 | 2023-03-21 09:05:24 |
 cpk-20230317_g26.jpg | 26926 | 2023-03-21 09:05:24 |
 cpk-20230317_g27.jpg | 65468 | 2023-03-21 09:05:24 |
 cpk-20230317_g28.jpg | 11659 | 2023-03-21 09:05:24 |
 cpk-20230317_g29.jpg | 21447 | 2023-03-21 09:05:24 |
 cpk-20230317_g3.jpg | 39062 | 2023-03-21 09:05:24 |
 cpk-20230317_g30.jpg | 20905 | 2023-03-21 09:05:24 |
 cpk-20230317_g31.jpg | 30708 | 2023-03-21 09:05:24 |
 cpk-20230317_g32.jpg | 13754 | 2023-03-21 09:05:24 |
 cpk-20230317_g33.jpg | 16754 | 2023-03-21 09:05:24 |
 cpk-20230317_g34.jpg | 16971 | 2023-03-21 09:05:24 |
 cpk-20230317_g35.jpg | 39259 | 2023-03-21 09:05:24 |
 cpk-20230317_g36.jpg | 36814 | 2023-03-21 09:05:24 |
 cpk-20230317_g37.jpg | 42584 | 2023-03-21 09:05:24 |
 cpk-20230317_g38.jpg | 36491 | 2023-03-21 09:05:24 |
 cpk-20230317_g39.jpg | 36746 | 2023-03-21 09:05:24 |
 cpk-20230317_g4.jpg | 646967 | 2023-03-21 09:05:24 |
 cpk-20230317_g40.jpg | 129274 | 2023-03-21 09:05:24 |
 cpk-20230317_g41.jpg | 696211 | 2023-03-21 09:05:24 |
 cpk-20230317_g42.jpg | 288728 | 2023-03-21 09:05:24 |
 cpk-20230317_g5.jpg | 38844 | 2023-03-21 09:05:24 |
 cpk-20230317_g6.jpg | 43450 | 2023-03-21 09:05:24 |
 cpk-20230317_g7.jpg | 74686 | 2023-03-21 09:05:24 |
 cpk-20230317_g8.jpg | 29527 | 2023-03-21 09:05:24 |
 cpk-20230317_g9.jpg | 129157 | 2023-03-21 09:05:24 |
| cpk-20230317_htm.xml | 108257 | 2023-03-21 09:05:24 |
| cpk-20230317_lab.xml | 6216 | 2023-03-21 09:05:24 |
| cpk-20230317_pre.xml | 3431 | 2023-03-21 09:05:24 |
| FilingSummary.xml | 3899 | 2023-03-21 09:05:24 |
| Financial_Report.xlsx | 9277 | 2023-03-21 09:05:24 |
| MetaLinks.json | 147221 | 2023-03-21 09:05:24 |
| R1.htm | 10855 | 2023-03-21 09:05:24 |
| R2.htm | 130814 | 2023-03-21 09:05:24 |
| report.css | 2767 | 2023-03-21 09:05:24 |
| Show.js | 1085 | 2023-03-21 09:05:24 |