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| 0001130310-16-000044-index.html | 2016-08-05 06:31:36 | |
| 0001130310-16-000044.txt | 2016-08-05 06:31:36 | |
 0001130310-16-000044-xbrl.zip | 274945 | 2016-08-05 06:31:36 |
| cnp-20160630.xml | 2397385 | 2016-08-05 06:31:36 |
| cnp-20160630.xsd | 49836 | 2016-08-05 06:31:36 |
| cnp-20160630_cal.xml | 87944 | 2016-08-05 06:31:36 |
| cnp-20160630_def.xml | 396117 | 2016-08-05 06:31:36 |
| cnp-20160630_lab.xml | 798476 | 2016-08-05 06:31:36 |
| cnp-20160630_pre.xml | 460036 | 2016-08-05 06:31:36 |
| cnp_10qx6302016.htm | 1813191 | 2016-08-05 06:31:36 |
| cnp_exhibit12x6302016.htm | 25784 | 2016-08-05 06:31:36 |
| cnp_exhibit311x6302016.htm | 12847 | 2016-08-05 06:31:36 |
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| cnp_exhibit321x6302016.htm | 5930 | 2016-08-05 06:31:36 |
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| cnp_exhibit46x6302016.htm | 94864 | 2016-08-05 06:31:36 |
| FilingSummary.xml | 31615 | 2016-08-05 06:31:36 |
| Financial_Report.xlsx | 81042 | 2016-08-05 06:31:36 |
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| report.css | 2767 | 2016-08-05 06:31:36 |
| Show.js | 1410 | 2016-08-05 06:31:36 |