Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0000784977-19-000073-index-headers.html | 2019-11-01 09:04:45 | |
| 0000784977-19-000073-index.html | 2019-11-01 09:04:45 | |
| 0000784977-19-000073.txt | 2019-11-01 09:04:45 | |
 0000784977-19-000073-xbrl.zip | 33781 | 2019-11-01 09:04:45 |
| a8-k20190930pressrelea.htm | 50867 | 2019-11-01 09:04:45 |
| a8-k20190930pressrelea_htm.xml | 4398 | 2019-11-01 09:04:45 |
| ex99120190930pressrele.htm | 399649 | 2019-11-01 09:04:45 |
| FilingSummary.xml | 1810 | 2019-11-01 09:04:45 |
| Financial_Report.xlsx | 5781 | 2019-11-01 09:04:45 |
 logoa05.jpg | 12600 | 2019-11-01 09:04:45 |
| MetaLinks.json | 18706 | 2019-11-01 09:04:45 |
| por-20191031.xsd | 4598 | 2019-11-01 09:04:45 |
| por-20191031_cal.xml | 633 | 2019-11-01 09:04:45 |
| por-20191031_def.xml | 1483 | 2019-11-01 09:04:45 |
| por-20191031_lab.xml | 26142 | 2019-11-01 09:04:45 |
| por-20191031_pre.xml | 13589 | 2019-11-01 09:04:45 |
| q32019earningsslidesfina.htm | 13615 | 2019-11-01 09:04:45 |
 q32019earningsslidesfina001.jpg | 65209 | 2019-11-01 09:04:45 |
 q32019earningsslidesfina002.jpg | 307154 | 2019-11-01 09:04:45 |
 q32019earningsslidesfina003.jpg | 82674 | 2019-11-01 09:04:45 |
 q32019earningsslidesfina004.jpg | 92282 | 2019-11-01 09:04:45 |
 q32019earningsslidesfina005.jpg | 118756 | 2019-11-01 09:04:45 |
 q32019earningsslidesfina006.jpg | 125680 | 2019-11-01 09:04:45 |
 q32019earningsslidesfina007.jpg | 71790 | 2019-11-01 09:04:45 |
 q32019earningsslidesfina008.jpg | 107155 | 2019-11-01 09:04:45 |
 q32019earningsslidesfina009.jpg | 105350 | 2019-11-01 09:04:45 |
| R1.htm | 38600 | 2019-11-01 09:04:45 |
| report.css | 2767 | 2019-11-01 09:04:45 |
| Show.js | 1085 | 2019-11-01 09:04:45 |