Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0001628280-23-004607-index-headers.html | 2023-02-22 17:10:26 | |
| 0001628280-23-004607-index.html | 2023-02-22 17:10:26 | |
| 0001628280-23-004607.txt | 2023-02-22 17:10:26 | |
 0001628280-23-004607-xbrl.zip | 844764 | 2023-02-22 17:10:26 |
| cpk-20221231.htm | 4702723 | 2023-02-22 17:10:26 |
| cpk-20221231.xsd | 159799 | 2023-02-22 17:10:26 |
| cpk-20221231_cal.xml | 107667 | 2023-02-22 17:10:26 |
| cpk-20221231_def.xml | 936664 | 2023-02-22 17:10:26 |
 cpk-20221231_g1.jpg | 100050 | 2023-02-22 17:10:26 |
| cpk-20221231_htm.xml | 4445695 | 2023-02-22 17:10:26 |
| cpk-20221231_lab.xml | 1568696 | 2023-02-22 17:10:26 |
| cpk-20221231_pre.xml | 1228209 | 2023-02-22 17:10:26 |
| cpk12312022ex-1016.htm | 52311 | 2023-02-22 17:10:26 |
| cpk12312022ex-10x34.htm | 52584 | 2023-02-22 17:10:26 |
| cpk12312022ex-21.htm | 17519 | 2023-02-22 17:10:26 |
| cpk12312022ex-231.htm | 5264 | 2023-02-22 17:10:26 |
| cpk12312022ex-311.htm | 10508 | 2023-02-22 17:10:26 |
| cpk12312022ex-312.htm | 10627 | 2023-02-22 17:10:26 |
| cpk12312022ex-321.htm | 4934 | 2023-02-22 17:10:26 |
| cpk12312022ex-322.htm | 5217 | 2023-02-22 17:10:26 |
| cpk12312022ex-410.htm | 139627 | 2023-02-22 17:10:26 |
| cpk12312022ex-411.htm | 123869 | 2023-02-22 17:10:26 |
| FilingSummary.xml | 81948 | 2023-02-22 17:10:26 |
| Financial_Report.xlsx | 235728 | 2023-02-22 17:10:26 |
| MetaLinks.json | 1469417 | 2023-02-22 17:10:26 |
| R1.htm | 64557 | 2023-02-22 17:10:26 |
| R10.htm | 12484 | 2023-02-22 17:10:26 |
| R100.htm | 18074 | 2023-02-22 17:10:26 |
| R101.htm | 23526 | 2023-02-22 17:10:26 |
| R102.htm | 50970 | 2023-02-22 17:10:26 |
| R103.htm | 65686 | 2023-02-22 17:10:26 |
| R104.htm | 68938 | 2023-02-22 17:10:26 |
| R105.htm | 8172 | 2023-02-22 17:10:26 |
| R106.htm | 28452 | 2023-02-22 17:10:26 |
| R107.htm | 28418 | 2023-02-22 17:10:26 |
| R108.htm | 17626 | 2023-02-22 17:10:26 |
| R109.htm | 13489 | 2023-02-22 17:10:26 |
| R11.htm | 12705 | 2023-02-22 17:10:26 |
| R110.htm | 33839 | 2023-02-22 17:10:26 |
| R111.htm | 6641 | 2023-02-22 17:10:26 |
| R112.htm | 45080 | 2023-02-22 17:10:26 |
| R113.htm | 53148 | 2023-02-22 17:10:26 |
| R114.htm | 22886 | 2023-02-22 17:10:26 |
| R115.htm | 29428 | 2023-02-22 17:10:26 |
| R116.htm | 31049 | 2023-02-22 17:10:26 |
| R117.htm | 12021 | 2023-02-22 17:10:26 |
| R118.htm | 11320 | 2023-02-22 17:10:26 |
| R12.htm | 86265 | 2023-02-22 17:10:26 |
| R13.htm | 37575 | 2023-02-22 17:10:26 |
| R14.htm | 10824 | 2023-02-22 17:10:26 |
| R15.htm | 212710 | 2023-02-22 17:10:26 |
| R16.htm | 78325 | 2023-02-22 17:10:26 |
| R17.htm | 22662 | 2023-02-22 17:10:26 |
| R18.htm | 69017 | 2023-02-22 17:10:26 |
| R19.htm | 72313 | 2023-02-22 17:10:26 |
| R2.htm | 7626 | 2023-02-22 17:10:26 |
| R20.htm | 34483 | 2023-02-22 17:10:26 |
| R21.htm | 84416 | 2023-02-22 17:10:26 |
| R22.htm | 60133 | 2023-02-22 17:10:26 |
| R23.htm | 10467 | 2023-02-22 17:10:26 |
| R24.htm | 47197 | 2023-02-22 17:10:26 |
| R25.htm | 71792 | 2023-02-22 17:10:26 |
| R26.htm | 269426 | 2023-02-22 17:10:26 |
| R27.htm | 47411 | 2023-02-22 17:10:26 |
| R28.htm | 75641 | 2023-02-22 17:10:26 |
| R29.htm | 13274 | 2023-02-22 17:10:26 |
| R3.htm | 109961 | 2023-02-22 17:10:26 |
| R30.htm | 19641 | 2023-02-22 17:10:26 |
| R31.htm | 125710 | 2023-02-22 17:10:26 |
| R32.htm | 43450 | 2023-02-22 17:10:26 |
| R33.htm | 36285 | 2023-02-22 17:10:26 |
| R34.htm | 201098 | 2023-02-22 17:10:26 |
| R35.htm | 71780 | 2023-02-22 17:10:26 |
| R36.htm | 24360 | 2023-02-22 17:10:26 |
| R37.htm | 67231 | 2023-02-22 17:10:26 |
| R38.htm | 64003 | 2023-02-22 17:10:26 |
| R39.htm | 36000 | 2023-02-22 17:10:26 |
| R4.htm | 59140 | 2023-02-22 17:10:26 |
| R40.htm | 81188 | 2023-02-22 17:10:26 |
| R41.htm | 58660 | 2023-02-22 17:10:26 |
| R42.htm | 51417 | 2023-02-22 17:10:26 |
| R43.htm | 69552 | 2023-02-22 17:10:26 |
| R44.htm | 261117 | 2023-02-22 17:10:26 |
| R45.htm | 43071 | 2023-02-22 17:10:26 |
| R46.htm | 56974 | 2023-02-22 17:10:26 |
| R47.htm | 6220 | 2023-02-22 17:10:26 |
| R48.htm | 12117 | 2023-02-22 17:10:26 |
| R49.htm | 53616 | 2023-02-22 17:10:26 |
| R5.htm | 24335 | 2023-02-22 17:10:26 |
| R50.htm | 30434 | 2023-02-22 17:10:26 |
| R51.htm | 17090 | 2023-02-22 17:10:26 |
| R52.htm | 27885 | 2023-02-22 17:10:26 |
| R53.htm | 10444 | 2023-02-22 17:10:26 |
| R54.htm | 64891 | 2023-02-22 17:10:26 |
| R55.htm | 66370 | 2023-02-22 17:10:26 |
| R56.htm | 27693 | 2023-02-22 17:10:26 |
| R57.htm | 22020 | 2023-02-22 17:10:26 |
| R58.htm | 102951 | 2023-02-22 17:10:26 |
| R59.htm | 62096 | 2023-02-22 17:10:26 |
| R6.htm | 95713 | 2023-02-22 17:10:26 |
| R60.htm | 111752 | 2023-02-22 17:10:26 |
| R61.htm | 7217 | 2023-02-22 17:10:26 |
| R62.htm | 8910 | 2023-02-22 17:10:26 |
| R63.htm | 63943 | 2023-02-22 17:10:26 |
| R64.htm | 4867 | 2023-02-22 17:10:26 |
| R65.htm | 24533 | 2023-02-22 17:10:26 |
| R66.htm | 34736 | 2023-02-22 17:10:26 |
| R67.htm | 8278 | 2023-02-22 17:10:26 |
| R68.htm | 8367 | 2023-02-22 17:10:26 |
| R69.htm | 51499 | 2023-02-22 17:10:26 |
| R7.htm | 190417 | 2023-02-22 17:10:26 |
| R70.htm | 11812 | 2023-02-22 17:10:26 |
| R71.htm | 34252 | 2023-02-22 17:10:26 |
| R72.htm | 32780 | 2023-02-22 17:10:26 |
| R73.htm | 23681 | 2023-02-22 17:10:26 |
| R74.htm | 22372 | 2023-02-22 17:10:26 |
| R75.htm | 45964 | 2023-02-22 17:10:26 |
| R76.htm | 25246 | 2023-02-22 17:10:26 |
| R77.htm | 42294 | 2023-02-22 17:10:26 |
| R78.htm | 5679 | 2023-02-22 17:10:26 |
| R79.htm | 5722 | 2023-02-22 17:10:26 |
| R8.htm | 13049 | 2023-02-22 17:10:26 |
| R80.htm | 5486 | 2023-02-22 17:10:26 |
| R81.htm | 98466 | 2023-02-22 17:10:26 |
| R82.htm | 45157 | 2023-02-22 17:10:26 |
| R83.htm | 42020 | 2023-02-22 17:10:26 |
| R84.htm | 17789 | 2023-02-22 17:10:26 |
| R85.htm | 47077 | 2023-02-22 17:10:26 |
| R86.htm | 54745 | 2023-02-22 17:10:26 |
| R87.htm | 11467 | 2023-02-22 17:10:26 |
| R88.htm | 23685 | 2023-02-22 17:10:26 |
| R89.htm | 5217 | 2023-02-22 17:10:26 |
| R9.htm | 67427 | 2023-02-22 17:10:26 |
| R90.htm | 9799 | 2023-02-22 17:10:26 |
| R91.htm | 6994 | 2023-02-22 17:10:26 |
| R92.htm | 4840 | 2023-02-22 17:10:26 |
| R93.htm | 19290 | 2023-02-22 17:10:26 |
| R94.htm | 33087 | 2023-02-22 17:10:26 |
| R95.htm | 72818 | 2023-02-22 17:10:26 |
| R96.htm | 76776 | 2023-02-22 17:10:26 |
| R97.htm | 67557 | 2023-02-22 17:10:26 |
| R98.htm | 69016 | 2023-02-22 17:10:26 |
| R99.htm | 4952 | 2023-02-22 17:10:26 |
| report.css | 2768 | 2023-02-22 17:10:26 |
| Show.js | 1086 | 2023-02-22 17:10:26 |