Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0000784977-25-000156-index-headers.html | 2025-08-29 16:57:11 | |
| 0000784977-25-000156-index.html | 2025-08-29 16:57:11 | |
| 0000784977-25-000156.txt | 2025-08-29 16:57:11 | |
 0000784977-25-000156-xbrl.zip | 9065 | 2025-08-29 16:57:11 |
| FilingSummary.xml | 1623 | 2025-08-29 16:57:11 |
| MetaLinks.json | 17147 | 2025-08-29 16:57:11 |
| por-20250829.htm | 23313 | 2025-08-29 16:57:11 |
| por-20250829.xsd | 1803 | 2025-08-29 16:57:11 |
| por-20250829_htm.xml | 2711 | 2025-08-29 16:57:11 |
| por-20250829_lab.xml | 21629 | 2025-08-29 16:57:11 |
| por-20250829_pre.xml | 12523 | 2025-08-29 16:57:11 |
| R1.htm | 38065 | 2025-08-29 16:57:11 |
| report.css | 2766 | 2025-08-29 16:57:11 |
| Show.js | 1084 | 2025-08-29 16:57:11 |