Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0000784977-23-000131-index-headers.html | 2023-10-06 17:06:20 | |
| 0000784977-23-000131-index.html | 2023-10-06 17:06:20 | |
| 0000784977-23-000131.txt | 2023-10-06 17:06:20 | |
 0000784977-23-000131-xbrl.zip | 13063 | 2023-10-06 17:06:20 |
| FilingSummary.xml | 1623 | 2023-10-06 17:06:20 |
| Financial_Report.xlsx | 5681 | 2023-10-06 17:06:20 |
| MetaLinks.json | 17148 | 2023-10-06 17:06:20 |
| por-20231006.htm | 49310 | 2023-10-06 17:06:20 |
| por-20231006.xsd | 1922 | 2023-10-06 17:06:20 |
| por-20231006_htm.xml | 2711 | 2023-10-06 17:06:20 |
| por-20231006_lab.xml | 23834 | 2023-10-06 17:06:20 |
| por-20231006_pre.xml | 12523 | 2023-10-06 17:06:20 |
| R1.htm | 38082 | 2023-10-06 17:06:20 |
| report.css | 2766 | 2023-10-06 17:06:20 |
| Show.js | 1084 | 2023-10-06 17:06:20 |