Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0001628280-24-018788-index-headers.html | 2024-04-29 08:07:39 | |
| 0001628280-24-018788-index.html | 2024-04-29 08:07:39 | |
| 0001628280-24-018788.txt | 2024-04-29 08:07:39 | |
 0001628280-24-018788-xbrl.zip | 11200 | 2024-04-29 08:07:39 |
| FilingSummary.xml | 1614 | 2024-04-29 08:07:39 |
| Financial_Report.xlsx | 5573 | 2024-04-29 08:07:39 |
| MetaLinks.json | 14891 | 2024-04-29 08:07:39 |
| opc-20240429.htm | 25655 | 2024-04-29 08:07:39 |
| opc-20240429.xsd | 1886 | 2024-04-29 08:07:39 |
| opc-20240429_htm.xml | 2446 | 2024-04-29 08:07:39 |
| opc-20240429_lab.xml | 19154 | 2024-04-29 08:07:39 |
| opc-20240429_pre.xml | 10963 | 2024-04-29 08:07:39 |
| pressreleasedated042924.htm | 5303 | 2024-04-29 08:07:39 |
 pressreleasedated042924001.jpg | 158423 | 2024-04-29 08:07:39 |
 pressreleasedated042924002.jpg | 156521 | 2024-04-29 08:07:39 |
 pressreleasedated042924003.jpg | 54200 | 2024-04-29 08:07:39 |
| R1.htm | 33357 | 2024-04-29 08:07:39 |
| report.css | 2767 | 2024-04-29 08:07:39 |
| Show.js | 1085 | 2024-04-29 08:07:39 |