Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0000906345-20-000008-index-headers.html | 2020-02-20 13:04:30 | |
| 0000906345-20-000008-index.html | 2020-02-20 13:04:30 | |
| 0000906345-20-000008.txt | 2020-02-20 13:04:30 | |
 0000906345-20-000008-xbrl.zip | 574513 | 2020-02-20 13:04:30 |
 chart-ada0b8db40bf5a1d99ba02.jpg | 93755 | 2020-02-20 13:04:30 |
| cpt-20191231.xsd | 110947 | 2020-02-20 13:04:30 |
| cpt-20191231_cal.xml | 89954 | 2020-02-20 13:04:30 |
| cpt-20191231_def.xml | 506027 | 2020-02-20 13:04:30 |
| cpt-20191231_lab.xml | 1142574 | 2020-02-20 13:04:30 |
| cpt-20191231_pre.xml | 666841 | 2020-02-20 13:04:30 |
| cpt12312019-ex211.htm | 12063 | 2020-02-20 13:04:30 |
| cpt12312019-ex231.htm | 3720 | 2020-02-20 13:04:30 |
| cpt12312019-ex241.htm | 34953 | 2020-02-20 13:04:30 |
| cpt1231201910k.htm | 5392273 | 2020-02-20 13:04:30 |
| cpt1231201910k_htm.xml | 3967297 | 2020-02-20 13:04:30 |
| cpt12312019ex311.htm | 12538 | 2020-02-20 13:04:30 |
| cpt12312019ex312.htm | 12439 | 2020-02-20 13:04:30 |
| cpt12312019ex321.htm | 8742 | 2020-02-20 13:04:30 |
| FilingSummary.xml | 48257 | 2020-02-20 13:04:30 |
| Financial_Report.xlsx | 137703 | 2020-02-20 13:04:30 |
| MetaLinks.json | 836042 | 2020-02-20 13:04:30 |
| R1.htm | 60793 | 2020-02-20 13:04:30 |
| R10.htm | 58262 | 2020-02-20 13:04:30 |
| R11.htm | 18163 | 2020-02-20 13:04:30 |
| R12.htm | 10778 | 2020-02-20 13:04:30 |
| R13.htm | 29662 | 2020-02-20 13:04:30 |
| R14.htm | 17339 | 2020-02-20 13:04:30 |
| R15.htm | 30601 | 2020-02-20 13:04:30 |
| R16.htm | 83911 | 2020-02-20 13:04:30 |
| R17.htm | 43692 | 2020-02-20 13:04:30 |
| R18.htm | 69848 | 2020-02-20 13:04:30 |
| R19.htm | 52445 | 2020-02-20 13:04:30 |
| R2.htm | 80507 | 2020-02-20 13:04:30 |
| R20.htm | 24290 | 2020-02-20 13:04:30 |
| R21.htm | 46618 | 2020-02-20 13:04:30 |
| R22.htm | 43854 | 2020-02-20 13:04:30 |
| R23.htm | 1157473 | 2020-02-20 13:04:30 |
| R24.htm | 34006 | 2020-02-20 13:04:30 |
| R25.htm | 110311 | 2020-02-20 13:04:30 |
| R26.htm | 16985 | 2020-02-20 13:04:30 |
| R27.htm | 56555 | 2020-02-20 13:04:30 |
| R28.htm | 11354 | 2020-02-20 13:04:30 |
| R29.htm | 20322 | 2020-02-20 13:04:30 |
| R3.htm | 12681 | 2020-02-20 13:04:30 |
| R30.htm | 25306 | 2020-02-20 13:04:30 |
| R31.htm | 74146 | 2020-02-20 13:04:30 |
| R32.htm | 39602 | 2020-02-20 13:04:30 |
| R33.htm | 55674 | 2020-02-20 13:04:30 |
| R34.htm | 50747 | 2020-02-20 13:04:30 |
| R35.htm | 24061 | 2020-02-20 13:04:30 |
| R36.htm | 37553 | 2020-02-20 13:04:30 |
| R37.htm | 43751 | 2020-02-20 13:04:30 |
| R38.htm | 1157350 | 2020-02-20 13:04:30 |
| R39.htm | 34852 | 2020-02-20 13:04:30 |
| R4.htm | 104895 | 2020-02-20 13:04:30 |
| R40.htm | 9459 | 2020-02-20 13:04:30 |
| R41.htm | 45861 | 2020-02-20 13:04:30 |
| R42.htm | 10789 | 2020-02-20 13:04:30 |
| R43.htm | 17164 | 2020-02-20 13:04:30 |
| R44.htm | 43423 | 2020-02-20 13:04:30 |
| R45.htm | 41510 | 2020-02-20 13:04:30 |
| R46.htm | 10284 | 2020-02-20 13:04:30 |
| R47.htm | 22547 | 2020-02-20 13:04:30 |
| R48.htm | 17522 | 2020-02-20 13:04:30 |
| R49.htm | 10257 | 2020-02-20 13:04:30 |
| R5.htm | 53329 | 2020-02-20 13:04:30 |
| R50.htm | 134597 | 2020-02-20 13:04:30 |
| R51.htm | 47363 | 2020-02-20 13:04:30 |
| R52.htm | 27111 | 2020-02-20 13:04:30 |
| R53.htm | 57374 | 2020-02-20 13:04:30 |
| R54.htm | 112745 | 2020-02-20 13:04:30 |
| R55.htm | 32464 | 2020-02-20 13:04:30 |
| R56.htm | 24982 | 2020-02-20 13:04:30 |
| R57.htm | 17761 | 2020-02-20 13:04:30 |
| R58.htm | 54119 | 2020-02-20 13:04:30 |
| R59.htm | 23101 | 2020-02-20 13:04:30 |
| R6.htm | 13765 | 2020-02-20 13:04:30 |
| R60.htm | 9540 | 2020-02-20 13:04:30 |
| R61.htm | 12839 | 2020-02-20 13:04:30 |
| R62.htm | 13121 | 2020-02-20 13:04:30 |
| R63.htm | 28140 | 2020-02-20 13:04:30 |
| R64.htm | 10750 | 2020-02-20 13:04:30 |
| R65.htm | 14759 | 2020-02-20 13:04:30 |
| R66.htm | 66389 | 2020-02-20 13:04:30 |
| R67.htm | 43333 | 2020-02-20 13:04:30 |
| R68.htm | 982191 | 2020-02-20 13:04:30 |
| R69.htm | 22331 | 2020-02-20 13:04:30 |
| R7.htm | 105718 | 2020-02-20 13:04:30 |
| R70.htm | 19319 | 2020-02-20 13:04:30 |
| R71.htm | 9525 | 2020-02-20 13:04:30 |
| R8.htm | 7038 | 2020-02-20 13:04:30 |
| R9.htm | 70227 | 2020-02-20 13:04:30 |
| report.css | 2767 | 2020-02-20 13:04:30 |
| Show.js | 1085 | 2020-02-20 13:04:30 |