Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0000784977-22-000039-index-headers.html | 2022-05-10 20:39:13 | |
| 0000784977-22-000039-index.html | 2022-05-10 20:39:13 | |
| 0000784977-22-000039.txt | 2022-05-10 20:39:13 | |
 0000784977-22-000039-xbrl.zip | 10780 | 2022-05-10 20:39:13 |
| FilingSummary.xml | 1608 | 2022-05-10 20:39:13 |
| Financial_Report.xlsx | 5653 | 2022-05-10 20:39:13 |
| MetaLinks.json | 16766 | 2022-05-10 20:39:13 |
| por-20220510.htm | 31788 | 2022-05-10 20:39:13 |
| por-20220510.xsd | 1926 | 2022-05-10 20:39:13 |
| por-20220510_htm.xml | 10712 | 2022-05-10 20:39:13 |
| por-20220510_lab.xml | 23924 | 2022-05-10 20:39:13 |
| por-20220510_pre.xml | 12613 | 2022-05-10 20:39:13 |
| R1.htm | 38686 | 2022-05-10 20:39:13 |
| report.css | 2766 | 2022-05-10 20:39:13 |
| Show.js | 1084 | 2022-05-10 20:39:13 |