Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0001130310-16-000037-index-headers.html | 2016-05-10 06:32:18 | |
| 0001130310-16-000037-index.html | 2016-05-10 06:32:18 | |
| 0001130310-16-000037.txt | 2016-05-10 06:32:18 | |
 0001130310-16-000037-xbrl.zip | 234739 | 2016-05-10 06:32:18 |
| cnp-20160331.xml | 1737218 | 2016-05-10 06:32:18 |
| cnp-20160331.xsd | 46135 | 2016-05-10 06:32:18 |
| cnp-20160331_cal.xml | 83330 | 2016-05-10 06:32:18 |
| cnp-20160331_def.xml | 360167 | 2016-05-10 06:32:18 |
| cnp-20160331_lab.xml | 719630 | 2016-05-10 06:32:18 |
| cnp-20160331_pre.xml | 416516 | 2016-05-10 06:32:18 |
| cnp_10qx3312016.htm | 1393945 | 2016-05-10 06:32:18 |
| cnp_exhibit12x3312016.htm | 25771 | 2016-05-10 06:32:18 |
| cnp_exhibit311x3312016.htm | 12845 | 2016-05-10 06:32:18 |
| cnp_exhibit312x3312016.htm | 12857 | 2016-05-10 06:32:18 |
| cnp_exhibit321x3312016.htm | 5929 | 2016-05-10 06:32:18 |
| cnp_exhibit322x3312016.htm | 5920 | 2016-05-10 06:32:18 |
| FilingSummary.xml | 29473 | 2016-05-10 06:32:18 |
| Financial_Report.xlsx | 71117 | 2016-05-10 06:32:18 |
| R1.htm | 28534 | 2016-05-10 06:32:18 |
| R10.htm | 56028 | 2016-05-10 06:32:18 |
| R11.htm | 5780 | 2016-05-10 06:32:18 |
| R12.htm | 134088 | 2016-05-10 06:32:18 |
| R13.htm | 146588 | 2016-05-10 06:32:18 |
| R14.htm | 72117 | 2016-05-10 06:32:18 |
| R15.htm | 14290 | 2016-05-10 06:32:18 |
| R16.htm | 11196 | 2016-05-10 06:32:18 |
| R17.htm | 7746 | 2016-05-10 06:32:18 |
| R18.htm | 60386 | 2016-05-10 06:32:18 |
| R19.htm | 7285 | 2016-05-10 06:32:18 |
| R2.htm | 57451 | 2016-05-10 06:32:18 |
| R20.htm | 25772 | 2016-05-10 06:32:18 |
| R21.htm | 26609 | 2016-05-10 06:32:18 |
| R22.htm | 101018 | 2016-05-10 06:32:18 |
| R23.htm | 9538 | 2016-05-10 06:32:18 |
| R24.htm | 53729 | 2016-05-10 06:32:18 |
| R25.htm | 120201 | 2016-05-10 06:32:18 |
| R26.htm | 144962 | 2016-05-10 06:32:18 |
| R27.htm | 56920 | 2016-05-10 06:32:18 |
| R28.htm | 10827 | 2016-05-10 06:32:18 |
| R29.htm | 48618 | 2016-05-10 06:32:18 |
| R3.htm | 15949 | 2016-05-10 06:32:18 |
| R30.htm | 25411 | 2016-05-10 06:32:18 |
| R31.htm | 120804 | 2016-05-10 06:32:18 |
| R32.htm | 4280 | 2016-05-10 06:32:18 |
| R33.htm | 3134 | 2016-05-10 06:32:18 |
| R34.htm | 51065 | 2016-05-10 06:32:18 |
| R35.htm | 4466 | 2016-05-10 06:32:18 |
| R36.htm | 20735 | 2016-05-10 06:32:18 |
| R37.htm | 96197 | 2016-05-10 06:32:18 |
| R38.htm | 136301 | 2016-05-10 06:32:18 |
| R39.htm | 69314 | 2016-05-10 06:32:18 |
| R4.htm | 5340 | 2016-05-10 06:32:18 |
| R40.htm | 57118 | 2016-05-10 06:32:18 |
| R41.htm | 13890 | 2016-05-10 06:32:18 |
| R42.htm | 18589 | 2016-05-10 06:32:18 |
| R43.htm | 20798 | 2016-05-10 06:32:18 |
| R44.htm | 70664 | 2016-05-10 06:32:18 |
| R45.htm | 3564 | 2016-05-10 06:32:18 |
| R46.htm | 41070 | 2016-05-10 06:32:18 |
| R47.htm | 25286 | 2016-05-10 06:32:18 |
| R48.htm | 60622 | 2016-05-10 06:32:18 |
| R49.htm | 39197 | 2016-05-10 06:32:18 |
| R5.htm | 131882 | 2016-05-10 06:32:18 |
| R6.htm | 18886 | 2016-05-10 06:32:18 |
| R7.htm | 106432 | 2016-05-10 06:32:18 |
| R8.htm | 13224 | 2016-05-10 06:32:18 |
| R9.htm | 18553 | 2016-05-10 06:32:18 |
| report.css | 2767 | 2016-05-10 06:32:18 |
| Show.js | 1410 | 2016-05-10 06:32:18 |