Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0001193125-20-229542-index-headers.html | 2020-08-25 12:10:07 | |
| 0001193125-20-229542-index.html | 2020-08-25 12:10:07 | |
| 0001193125-20-229542.txt | 2020-08-25 12:10:07 | |
 0001193125-20-229542-xbrl.zip | 20003 | 2020-08-25 12:10:07 |
| cpk-20200825.xsd | 3054 | 2020-08-25 12:10:07 |
| cpk-20200825_lab.xml | 17373 | 2020-08-25 12:10:07 |
| cpk-20200825_pre.xml | 10943 | 2020-08-25 12:10:07 |
| d43578d8k.htm | 25411 | 2020-08-25 12:10:07 |
| d43578d8k_htm.xml | 3286 | 2020-08-25 12:10:07 |
| d43578dex991.htm | 61194 | 2020-08-25 12:10:07 |
| FilingSummary.xml | 1716 | 2020-08-25 12:10:07 |
| Financial_Report.xlsx | 5463 | 2020-08-25 12:10:07 |
 g43578ex99_1p10g1.jpg | 169008 | 2020-08-25 12:10:07 |
 g43578ex99_1p11g1.jpg | 241933 | 2020-08-25 12:10:07 |
 g43578ex99_1p12g1.jpg | 331446 | 2020-08-25 12:10:07 |
 g43578ex99_1p13g1.jpg | 265477 | 2020-08-25 12:10:07 |
 g43578ex99_1p14g1.jpg | 323165 | 2020-08-25 12:10:07 |
 g43578ex99_1p15g1.jpg | 254380 | 2020-08-25 12:10:07 |
 g43578ex99_1p16g1.jpg | 250335 | 2020-08-25 12:10:07 |
 g43578ex99_1p17g1.jpg | 266451 | 2020-08-25 12:10:07 |
 g43578ex99_1p18g1.jpg | 292692 | 2020-08-25 12:10:07 |
 g43578ex99_1p19g1.jpg | 265470 | 2020-08-25 12:10:07 |
 g43578ex99_1p1g1.jpg | 89159 | 2020-08-25 12:10:07 |
 g43578ex99_1p20g1.jpg | 196017 | 2020-08-25 12:10:07 |
 g43578ex99_1p21g1.jpg | 178607 | 2020-08-25 12:10:07 |
 g43578ex99_1p22g1.jpg | 352216 | 2020-08-25 12:10:07 |
 g43578ex99_1p23g1.jpg | 161209 | 2020-08-25 12:10:07 |
 g43578ex99_1p24g1.jpg | 254820 | 2020-08-25 12:10:07 |
 g43578ex99_1p25g1.jpg | 198132 | 2020-08-25 12:10:07 |
 g43578ex99_1p26g1.jpg | 129105 | 2020-08-25 12:10:07 |
 g43578ex99_1p27g1.jpg | 135201 | 2020-08-25 12:10:07 |
 g43578ex99_1p28g1.jpg | 226505 | 2020-08-25 12:10:07 |
 g43578ex99_1p29g1.jpg | 176921 | 2020-08-25 12:10:07 |
 g43578ex99_1p2g1.jpg | 470434 | 2020-08-25 12:10:07 |
 g43578ex99_1p30g1.jpg | 142862 | 2020-08-25 12:10:07 |
 g43578ex99_1p31g1.jpg | 198238 | 2020-08-25 12:10:07 |
 g43578ex99_1p3g1.jpg | 282260 | 2020-08-25 12:10:07 |
 g43578ex99_1p4g1.jpg | 191279 | 2020-08-25 12:10:07 |
 g43578ex99_1p5g1.jpg | 363241 | 2020-08-25 12:10:07 |
 g43578ex99_1p6g1.jpg | 304343 | 2020-08-25 12:10:07 |
 g43578ex99_1p7g1.jpg | 319443 | 2020-08-25 12:10:07 |
 g43578ex99_1p8g1.jpg | 396951 | 2020-08-25 12:10:07 |
 g43578ex99_1p9g1.jpg | 211562 | 2020-08-25 12:10:07 |
| MetaLinks.json | 18168 | 2020-08-25 12:10:07 |
| R1.htm | 38631 | 2020-08-25 12:10:07 |
| report.css | 2767 | 2020-08-25 12:10:07 |
| Show.js | 1085 | 2020-08-25 12:10:07 |