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|---|---|---|
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| 0000077159-23-000003-index.html | 2023-03-09 14:19:40 | |
| 0000077159-23-000003.txt | 2023-03-09 14:19:40 | |
 0000077159-23-000003-xbrl.zip | 732153 | 2023-03-09 14:19:40 |
| FilingSummary.xml | 50829 | 2023-03-09 14:19:40 |
| Financial_Report.xlsx | 160018 | 2023-03-09 14:19:40 |
| MetaLinks.json | 1059196 | 2023-03-09 14:19:40 |
| pva-20221231.htm | 3263442 | 2023-03-09 14:19:40 |
| pva-20221231.xsd | 86893 | 2023-03-09 14:19:40 |
| pva-20221231_cal.xml | 134730 | 2023-03-09 14:19:40 |
| pva-20221231_def.xml | 519699 | 2023-03-09 14:19:40 |
 pva-20221231_g1.jpg | 92340 | 2023-03-09 14:19:40 |
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| pva-20221231_htm.xml | 2148564 | 2023-03-09 14:19:40 |
| pva-20221231_lab.xml | 1002351 | 2023-03-09 14:19:40 |
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| R1.htm | 66830 | 2023-03-09 14:19:40 |
| R10.htm | 13518 | 2023-03-09 14:19:40 |
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| R9.htm | 95677 | 2023-03-09 14:19:40 |
| R9999.htm | 5280 | 2023-03-09 14:19:40 |
| report.css | 2768 | 2023-03-09 14:19:40 |
| rocc-20221231xex211.htm | 13100 | 2023-03-09 14:19:40 |
| rocc-20221231xex231.htm | 2537 | 2023-03-09 14:19:40 |
| rocc-20221231xex232.htm | 5062 | 2023-03-09 14:19:40 |
| rocc-20221231xex311.htm | 9559 | 2023-03-09 14:19:40 |
| rocc-20221231xex312.htm | 9560 | 2023-03-09 14:19:40 |
| rocc-20221231xex321.htm | 5548 | 2023-03-09 14:19:40 |
| rocc-20221231xex322.htm | 5384 | 2023-03-09 14:19:40 |
| rocc-20221231xex991.htm | 65084 | 2023-03-09 14:19:40 |
| Show.js | 1086 | 2023-03-09 14:19:40 |