Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0000784977-25-000092-index-headers.html | 2025-05-23 17:15:29 | |
| 0000784977-25-000092-index.html | 2025-05-23 17:15:29 | |
| 0000784977-25-000092.txt | 2025-05-23 17:15:29 | |
 0000784977-25-000092-xbrl.zip | 9460 | 2025-05-23 17:15:29 |
| FilingSummary.xml | 1623 | 2025-05-23 17:15:29 |
| MetaLinks.json | 17147 | 2025-05-23 17:15:29 |
| por-20250523.htm | 24633 | 2025-05-23 17:15:29 |
| por-20250523.xsd | 1803 | 2025-05-23 17:15:29 |
| por-20250523_htm.xml | 2711 | 2025-05-23 17:15:29 |
| por-20250523_lab.xml | 21629 | 2025-05-23 17:15:29 |
| por-20250523_pre.xml | 12523 | 2025-05-23 17:15:29 |
| R1.htm | 38063 | 2025-05-23 17:15:29 |
| report.css | 2766 | 2025-05-23 17:15:29 |
| Show.js | 1084 | 2025-05-23 17:15:29 |