Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0001559053-24-000008-index-headers.html | 2024-02-22 16:56:39 | |
| 0001559053-24-000008-index.html | 2024-02-22 16:56:39 | |
| 0001559053-24-000008.txt | 2024-02-22 16:56:39 | |
 0001559053-24-000008-xbrl.zip | 517030 | 2024-02-22 16:56:39 |
| FilingSummary.xml | 38724 | 2024-02-22 16:56:39 |
| Financial_Report.xlsx | 115724 | 2024-02-22 16:56:39 |
| MetaLinks.json | 896568 | 2024-02-22 16:56:39 |
| prta-20231231.htm | 1931526 | 2024-02-22 16:56:39 |
| prta-20231231.xsd | 66940 | 2024-02-22 16:56:39 |
| prta-20231231_cal.xml | 96716 | 2024-02-22 16:56:39 |
| prta-20231231_def.xml | 313338 | 2024-02-22 16:56:39 |
 prta-20231231_g1.jpg | 116531 | 2024-02-22 16:56:39 |
 prta-20231231_g2.jpg | 56815 | 2024-02-22 16:56:39 |
| prta-20231231_htm.xml | 928293 | 2024-02-22 16:56:39 |
| prta-20231231_lab.xml | 879836 | 2024-02-22 16:56:39 |
| prta-20231231_pre.xml | 557525 | 2024-02-22 16:56:39 |
| prta202310-kxex311.htm | 11073 | 2024-02-22 16:56:39 |
| prta202310-kxex312.htm | 11186 | 2024-02-22 16:56:39 |
| prta202310-kxex321.htm | 8806 | 2024-02-22 16:56:39 |
| prta2023ex211listofsubsidi.htm | 6298 | 2024-02-22 16:56:39 |
| prta2023xex1023firstthroug.htm | 74802 | 2024-02-22 16:56:39 |
| prta2023xex231consentofind.htm | 2383 | 2024-02-22 16:56:39 |
| prta2023xex42descriptionof.htm | 101548 | 2024-02-22 16:56:39 |
| prta2023xex97policyonrecou.htm | 18492 | 2024-02-22 16:56:39 |
| R1.htm | 68219 | 2024-02-22 16:56:39 |
| R10.htm | 49364 | 2024-02-22 16:56:39 |
| R11.htm | 9384 | 2024-02-22 16:56:39 |
| R12.htm | 30823 | 2024-02-22 16:56:39 |
| R13.htm | 30175 | 2024-02-22 16:56:39 |
| R14.htm | 48937 | 2024-02-22 16:56:39 |
| R15.htm | 71837 | 2024-02-22 16:56:39 |
| R16.htm | 19216 | 2024-02-22 16:56:39 |
| R17.htm | 66097 | 2024-02-22 16:56:39 |
| R18.htm | 92536 | 2024-02-22 16:56:39 |
| R19.htm | 8994 | 2024-02-22 16:56:39 |
| R2.htm | 7795 | 2024-02-22 16:56:39 |
| R20.htm | 15219 | 2024-02-22 16:56:39 |
| R21.htm | 8482 | 2024-02-22 16:56:39 |
| R22.htm | 85187 | 2024-02-22 16:56:39 |
| R23.htm | 16587 | 2024-02-22 16:56:39 |
| R24.htm | 35780 | 2024-02-22 16:56:39 |
| R25.htm | 30823 | 2024-02-22 16:56:39 |
| R26.htm | 33764 | 2024-02-22 16:56:39 |
| R27.htm | 61369 | 2024-02-22 16:56:39 |
| R28.htm | 87995 | 2024-02-22 16:56:39 |
| R29.htm | 9467 | 2024-02-22 16:56:39 |
| R3.htm | 115566 | 2024-02-22 16:56:39 |
| R30.htm | 5497 | 2024-02-22 16:56:39 |
| R31.htm | 10587 | 2024-02-22 16:56:39 |
| R32.htm | 14633 | 2024-02-22 16:56:39 |
| R33.htm | 7331 | 2024-02-22 16:56:39 |
| R34.htm | 11663 | 2024-02-22 16:56:39 |
| R35.htm | 16706 | 2024-02-22 16:56:39 |
| R36.htm | 11338 | 2024-02-22 16:56:39 |
| R37.htm | 11618 | 2024-02-22 16:56:39 |
| R38.htm | 39028 | 2024-02-22 16:56:39 |
| R39.htm | 10559 | 2024-02-22 16:56:39 |
| R4.htm | 19550 | 2024-02-22 16:56:39 |
| R40.htm | 57849 | 2024-02-22 16:56:39 |
| R41.htm | 20098 | 2024-02-22 16:56:39 |
| R42.htm | 12719 | 2024-02-22 16:56:39 |
| R43.htm | 45181 | 2024-02-22 16:56:39 |
| R44.htm | 41209 | 2024-02-22 16:56:39 |
| R45.htm | 106939 | 2024-02-22 16:56:39 |
| R46.htm | 21186 | 2024-02-22 16:56:39 |
| R47.htm | 21607 | 2024-02-22 16:56:39 |
| R48.htm | 14828 | 2024-02-22 16:56:39 |
| R49.htm | 18581 | 2024-02-22 16:56:39 |
| R5.htm | 67102 | 2024-02-22 16:56:39 |
| R50.htm | 19432 | 2024-02-22 16:56:39 |
| R51.htm | 39234 | 2024-02-22 16:56:39 |
| R52.htm | 17339 | 2024-02-22 16:56:39 |
| R53.htm | 14035 | 2024-02-22 16:56:39 |
| R54.htm | 53260 | 2024-02-22 16:56:39 |
| R55.htm | 39852 | 2024-02-22 16:56:39 |
| R56.htm | 16004 | 2024-02-22 16:56:39 |
| R57.htm | 36363 | 2024-02-22 16:56:39 |
| R58.htm | 40812 | 2024-02-22 16:56:39 |
| R59.htm | 21818 | 2024-02-22 16:56:39 |
| R6.htm | 93998 | 2024-02-22 16:56:39 |
| R60.htm | 27926 | 2024-02-22 16:56:39 |
| R61.htm | 11551 | 2024-02-22 16:56:39 |
| R62.htm | 12605 | 2024-02-22 16:56:39 |
| R7.htm | 70109 | 2024-02-22 16:56:39 |
| R8.htm | 5708 | 2024-02-22 16:56:39 |
| R9.htm | 9909 | 2024-02-22 16:56:39 |
| report.css | 2767 | 2024-02-22 16:56:39 |
| Show.js | 1085 | 2024-02-22 16:56:39 |