Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0000784977-22-000074-index-headers.html | 2022-09-27 10:30:30 | |
| 0000784977-22-000074-index.html | 2022-09-27 10:30:30 | |
| 0000784977-22-000074.txt | 2022-09-27 10:30:30 | |
 0000784977-22-000074-xbrl.zip | 10854 | 2022-09-27 10:30:30 |
| FilingSummary.xml | 1608 | 2022-09-27 10:30:30 |
| Financial_Report.xlsx | 5679 | 2022-09-27 10:30:30 |
| MetaLinks.json | 16714 | 2022-09-27 10:30:30 |
| por-20220927.htm | 32514 | 2022-09-27 10:30:30 |
| por-20220927.xsd | 1920 | 2022-09-27 10:30:30 |
| por-20220927_htm.xml | 10710 | 2022-09-27 10:30:30 |
| por-20220927_lab.xml | 23832 | 2022-09-27 10:30:30 |
| por-20220927_pre.xml | 12521 | 2022-09-27 10:30:30 |
| R1.htm | 38083 | 2022-09-27 10:30:30 |
| report.css | 2766 | 2022-09-27 10:30:30 |
| Show.js | 1084 | 2022-09-27 10:30:30 |