Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0000784977-25-000102-index-headers.html | 2025-06-11 16:42:24 | |
| 0000784977-25-000102-index.html | 2025-06-11 16:42:24 | |
| 0000784977-25-000102.txt | 2025-06-11 16:42:24 | |
 0000784977-25-000102-xbrl.zip | 9304 | 2025-06-11 16:42:24 |
| FilingSummary.xml | 1623 | 2025-06-11 16:42:24 |
| MetaLinks.json | 17147 | 2025-06-11 16:42:24 |
| por-20250611.htm | 24095 | 2025-06-11 16:42:24 |
| por-20250611.xsd | 1803 | 2025-06-11 16:42:24 |
| por-20250611_htm.xml | 2711 | 2025-06-11 16:42:24 |
| por-20250611_lab.xml | 21629 | 2025-06-11 16:42:24 |
| por-20250611_pre.xml | 12523 | 2025-06-11 16:42:24 |
| R1.htm | 38065 | 2025-06-11 16:42:24 |
| report.css | 2766 | 2025-06-11 16:42:24 |
| Show.js | 1084 | 2025-06-11 16:42:24 |