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|---|---|---|
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| 0001628280-22-007375-index.html | 2022-03-25 18:59:12 | |
| 0001628280-22-007375.txt | 2022-03-25 18:59:12 | |
 0001628280-22-007375-xbrl.zip | 645758 | 2022-03-25 18:59:12 |
| ex-31122.htm | 14582 | 2022-03-25 18:59:12 |
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 exhibit1015b3007.jpg | 92093 | 2022-03-25 18:59:12 |
 exhibit1015b3008.jpg | 49861 | 2022-03-25 18:59:12 |
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| Financial_Report.xlsx | 149554 | 2022-03-25 18:59:12 |
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| opc-20211231.htm | 3693029 | 2022-03-25 18:59:12 |
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| R1.htm | 56868 | 2022-03-25 18:59:12 |
| R10.htm | 97022 | 2022-03-25 18:59:12 |
| R11.htm | 43566 | 2022-03-25 18:59:12 |
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| R2.htm | 7883 | 2022-03-25 18:59:12 |
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| R8.htm | 13919 | 2022-03-25 18:59:12 |
| R9.htm | 235729 | 2022-03-25 18:59:12 |
| report.css | 2768 | 2022-03-25 18:59:12 |
| Show.js | 1086 | 2022-03-25 18:59:12 |