Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0000784977-23-000148-index-headers.html | 2023-11-01 16:19:00 | |
| 0000784977-23-000148-index.html | 2023-11-01 16:19:00 | |
| 0000784977-23-000148.txt | 2023-11-01 16:19:00 | |
 0000784977-23-000148-xbrl.zip | 10845 | 2023-11-01 16:19:00 |
| FilingSummary.xml | 1623 | 2023-11-01 16:19:00 |
| Financial_Report.xlsx | 5678 | 2023-11-01 16:19:00 |
| MetaLinks.json | 17148 | 2023-11-01 16:19:00 |
| por-20231030.htm | 28875 | 2023-11-01 16:19:00 |
| por-20231030.xsd | 1922 | 2023-11-01 16:19:00 |
| por-20231030_htm.xml | 2711 | 2023-11-01 16:19:00 |
| por-20231030_lab.xml | 23834 | 2023-11-01 16:19:00 |
| por-20231030_pre.xml | 12523 | 2023-11-01 16:19:00 |
| R1.htm | 38081 | 2023-11-01 16:19:00 |
| report.css | 2766 | 2023-11-01 16:19:00 |
| Show.js | 1084 | 2023-11-01 16:19:00 |