Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0001910277-23-000002-index-headers.html | 2023-02-27 16:21:03 | |
| 0001910277-23-000002-index.html | 2023-02-27 16:21:03 | |
| 0001910277-23-000002.txt | 2023-02-27 16:21:03 | |
 0001910277-23-000002-xbrl.zip | 214416 | 2023-02-27 16:21:03 |
| FilingSummary.xml | 1803 | 2023-02-27 16:21:03 |
| Financial_Report.xlsx | 5704 | 2023-02-27 16:21:03 |
| MetaLinks.json | 18029 | 2023-02-27 16:21:03 |
 postannualmtg2019image1a05.jpg | 208294 | 2023-02-27 16:21:03 |
| pra-20221231xex991.htm | 524045 | 2023-02-27 16:21:03 |
| pra-20230227.htm | 35233 | 2023-02-27 16:21:03 |
| pra-20230227.xsd | 2008 | 2023-02-27 16:21:03 |
 pra-20230227_g1.jpg | 208294 | 2023-02-27 16:21:03 |
| pra-20230227_htm.xml | 11445 | 2023-02-27 16:21:03 |
| pra-20230227_lab.xml | 24137 | 2023-02-27 16:21:03 |
| pra-20230227_pre.xml | 12608 | 2023-02-27 16:21:03 |
| R1.htm | 38131 | 2023-02-27 16:21:03 |
| report.css | 2767 | 2023-02-27 16:21:03 |
| Show.js | 1085 | 2023-02-27 16:21:03 |