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| 0000906345-22-000029.txt | 2022-07-29 12:07:09 | |
 0000906345-22-000029-xbrl.zip | 280716 | 2022-07-29 12:07:09 |
| cpt-20220630.htm | 1740125 | 2022-07-29 12:07:09 |
| cpt-20220630.xsd | 52808 | 2022-07-29 12:07:09 |
| cpt-20220630_cal.xml | 58984 | 2022-07-29 12:07:09 |
| cpt-20220630_def.xml | 316606 | 2022-07-29 12:07:09 |
| cpt-20220630_htm.xml | 1075236 | 2022-07-29 12:07:09 |
| cpt-20220630_lab.xml | 603487 | 2022-07-29 12:07:09 |
| cpt-20220630_pre.xml | 423754 | 2022-07-29 12:07:09 |
| cpt06302022-ex311.htm | 10389 | 2022-07-29 12:07:09 |
| cpt06302022-ex312.htm | 10349 | 2022-07-29 12:07:09 |
| cpt06302022ex321.htm | 6478 | 2022-07-29 12:07:09 |
| FilingSummary.xml | 31570 | 2022-07-29 12:07:09 |
| Financial_Report.xlsx | 87848 | 2022-07-29 12:07:09 |
| MetaLinks.json | 627532 | 2022-07-29 12:07:09 |
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| report.css | 2767 | 2022-07-29 12:07:09 |
| Show.js | 1085 | 2022-07-29 12:07:09 |