Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0000784977-24-000190-index-headers.html | 2024-12-23 09:00:27 | |
| 0000784977-24-000190-index.html | 2024-12-23 09:00:27 | |
| 0000784977-24-000190.txt | 2024-12-23 09:00:27 | |
 0000784977-24-000190-xbrl.zip | 14261 | 2024-12-23 09:00:27 |
| FilingSummary.xml | 1623 | 2024-12-23 09:00:27 |
| Financial_Report.xlsx | 5678 | 2024-12-23 09:00:27 |
| MetaLinks.json | 17147 | 2024-12-23 09:00:27 |
| por-20241220.htm | 53520 | 2024-12-23 09:00:27 |
| por-20241220.xsd | 1803 | 2024-12-23 09:00:27 |
| por-20241220_htm.xml | 2711 | 2024-12-23 09:00:27 |
| por-20241220_lab.xml | 21629 | 2024-12-23 09:00:27 |
| por-20241220_pre.xml | 12523 | 2024-12-23 09:00:27 |
| R1.htm | 38079 | 2024-12-23 09:00:27 |
| report.css | 2766 | 2024-12-23 09:00:27 |
| Show.js | 1084 | 2024-12-23 09:00:27 |