Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0000906345-19-000006-index-headers.html | 2019-02-15 13:14:43 | |
| 0000906345-19-000006-index.html | 2019-02-15 13:14:43 | |
| 0000906345-19-000006.txt | 2019-02-15 13:14:43 | |
 0000906345-19-000006-xbrl.zip | 405407 | 2019-02-15 13:14:43 |
 chart-a7024a71d6bd5f19821.jpg | 95234 | 2019-02-15 13:14:43 |
| cpt-20181231.xml | 4022737 | 2019-02-15 13:14:43 |
| cpt-20181231.xsd | 110148 | 2019-02-15 13:14:43 |
| cpt-20181231_cal.xml | 106284 | 2019-02-15 13:14:43 |
| cpt-20181231_def.xml | 474632 | 2019-02-15 13:14:43 |
| cpt-20181231_lab.xml | 1165921 | 2019-02-15 13:14:43 |
| cpt-20181231_pre.xml | 669636 | 2019-02-15 13:14:43 |
| cpt12312018-ex1035.htm | 337614 | 2019-02-15 13:14:43 |
| cpt12312018-ex211.htm | 12052 | 2019-02-15 13:14:43 |
| cpt12312018-ex231.htm | 3651 | 2019-02-15 13:14:43 |
| cpt12312018-ex241.htm | 35072 | 2019-02-15 13:14:43 |
| cpt1231201810k.htm | 4336459 | 2019-02-15 13:14:43 |
| cpt12312018ex311.htm | 12527 | 2019-02-15 13:14:43 |
| cpt12312018ex312.htm | 12428 | 2019-02-15 13:14:43 |
| cpt12312018ex321.htm | 8731 | 2019-02-15 13:14:43 |
| FilingSummary.xml | 46378 | 2019-02-15 13:14:43 |
| Financial_Report.xlsx | 140449 | 2019-02-15 13:14:43 |
| R1.htm | 37312 | 2019-02-15 13:14:43 |
| R10.htm | 10771 | 2019-02-15 13:14:43 |
| R11.htm | 88536 | 2019-02-15 13:14:43 |
| R12.htm | 14948 | 2019-02-15 13:14:43 |
| R13.htm | 10442 | 2019-02-15 13:14:43 |
| R14.htm | 31756 | 2019-02-15 13:14:43 |
| R15.htm | 27574 | 2019-02-15 13:14:43 |
| R16.htm | 29061 | 2019-02-15 13:14:43 |
| R17.htm | 76428 | 2019-02-15 13:14:43 |
| R18.htm | 46037 | 2019-02-15 13:14:43 |
| R19.htm | 85929 | 2019-02-15 13:14:43 |
| R2.htm | 80484 | 2019-02-15 13:14:43 |
| R20.htm | 63438 | 2019-02-15 13:14:43 |
| R21.htm | 26224 | 2019-02-15 13:14:43 |
| R22.htm | 15019 | 2019-02-15 13:14:43 |
| R23.htm | 48993 | 2019-02-15 13:14:43 |
| R24.htm | 1332127 | 2019-02-15 13:14:43 |
| R25.htm | 37708 | 2019-02-15 13:14:43 |
| R26.htm | 98964 | 2019-02-15 13:14:43 |
| R27.htm | 7507 | 2019-02-15 13:14:43 |
| R28.htm | 86851 | 2019-02-15 13:14:43 |
| R29.htm | 8369 | 2019-02-15 13:14:43 |
| R3.htm | 12679 | 2019-02-15 13:14:43 |
| R30.htm | 22221 | 2019-02-15 13:14:43 |
| R31.htm | 20863 | 2019-02-15 13:14:43 |
| R32.htm | 24936 | 2019-02-15 13:14:43 |
| R33.htm | 69521 | 2019-02-15 13:14:43 |
| R34.htm | 40796 | 2019-02-15 13:14:43 |
| R35.htm | 71523 | 2019-02-15 13:14:43 |
| R36.htm | 62119 | 2019-02-15 13:14:43 |
| R37.htm | 25995 | 2019-02-15 13:14:43 |
| R38.htm | 48890 | 2019-02-15 13:14:43 |
| R39.htm | 1332004 | 2019-02-15 13:14:43 |
| R4.htm | 142397 | 2019-02-15 13:14:43 |
| R40.htm | 38554 | 2019-02-15 13:14:43 |
| R41.htm | 9456 | 2019-02-15 13:14:43 |
| R42.htm | 40881 | 2019-02-15 13:14:43 |
| R43.htm | 7056 | 2019-02-15 13:14:43 |
| R44.htm | 10786 | 2019-02-15 13:14:43 |
| R45.htm | 6779 | 2019-02-15 13:14:43 |
| R46.htm | 67570 | 2019-02-15 13:14:43 |
| R47.htm | 49115 | 2019-02-15 13:14:43 |
| R48.htm | 11005 | 2019-02-15 13:14:43 |
| R49.htm | 22538 | 2019-02-15 13:14:43 |
| R5.htm | 55331 | 2019-02-15 13:14:43 |
| R50.htm | 18995 | 2019-02-15 13:14:43 |
| R51.htm | 10257 | 2019-02-15 13:14:43 |
| R52.htm | 85984 | 2019-02-15 13:14:43 |
| R53.htm | 21467 | 2019-02-15 13:14:43 |
| R54.htm | 25989 | 2019-02-15 13:14:43 |
| R55.htm | 22058 | 2019-02-15 13:14:43 |
| R56.htm | 52992 | 2019-02-15 13:14:43 |
| R57.htm | 98367 | 2019-02-15 13:14:43 |
| R58.htm | 31103 | 2019-02-15 13:14:43 |
| R59.htm | 36452 | 2019-02-15 13:14:43 |
| R6.htm | 14159 | 2019-02-15 13:14:43 |
| R60.htm | 7593 | 2019-02-15 13:14:43 |
| R61.htm | 53383 | 2019-02-15 13:14:43 |
| R62.htm | 44310 | 2019-02-15 13:14:43 |
| R63.htm | 9512 | 2019-02-15 13:14:43 |
| R64.htm | 12840 | 2019-02-15 13:14:43 |
| R65.htm | 21464 | 2019-02-15 13:14:43 |
| R66.htm | 26431 | 2019-02-15 13:14:43 |
| R67.htm | 9072 | 2019-02-15 13:14:43 |
| R68.htm | 14752 | 2019-02-15 13:14:43 |
| R69.htm | 31703 | 2019-02-15 13:14:43 |
| R7.htm | 112843 | 2019-02-15 13:14:43 |
| R70.htm | 7433 | 2019-02-15 13:14:43 |
| R71.htm | 34773 | 2019-02-15 13:14:43 |
| R72.htm | 959138 | 2019-02-15 13:14:43 |
| R73.htm | 22324 | 2019-02-15 13:14:43 |
| R74.htm | 21557 | 2019-02-15 13:14:43 |
| R75.htm | 9528 | 2019-02-15 13:14:43 |
| R8.htm | 7031 | 2019-02-15 13:14:43 |
| R9.htm | 58436 | 2019-02-15 13:14:43 |
| report.css | 2767 | 2019-02-15 13:14:43 |
| Show.js | 1085 | 2019-02-15 13:14:43 |