Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0001564590-22-019085-index-headers.html | 2022-05-10 08:11:02 | |
| 0001564590-22-019085-index.html | 2022-05-10 08:11:02 | |
| 0001564590-22-019085.txt | 2022-05-10 08:11:02 | |
 0001564590-22-019085-xbrl.zip | 300376 | 2022-05-10 08:11:02 |
| FilingSummary.xml | 26801 | 2022-05-10 08:11:02 |
| Financial_Report.xlsx | 58266 | 2022-05-10 08:11:02 |
| MetaLinks.json | 472817 | 2022-05-10 08:11:02 |
| prld-10q_20220331.htm | 3377830 | 2022-05-10 08:11:02 |
| prld-10q_20220331_htm.xml | 1150337 | 2022-05-10 08:11:02 |
| prld-20220331.xsd | 38849 | 2022-05-10 08:11:02 |
| prld-20220331_cal.xml | 36446 | 2022-05-10 08:11:02 |
| prld-20220331_def.xml | 149390 | 2022-05-10 08:11:02 |
| prld-20220331_lab.xml | 329196 | 2022-05-10 08:11:02 |
| prld-20220331_pre.xml | 248814 | 2022-05-10 08:11:02 |
| prld-ex101_194.htm | 82986 | 2022-05-10 08:11:02 |
| prld-ex311_6.htm | 22739 | 2022-05-10 08:11:02 |
| prld-ex312_7.htm | 22764 | 2022-05-10 08:11:02 |
| prld-ex321_9.htm | 10238 | 2022-05-10 08:11:02 |
| prld-ex322_8.htm | 10326 | 2022-05-10 08:11:02 |
| R1.htm | 54180 | 2022-05-10 08:11:02 |
| R10.htm | 58562 | 2022-05-10 08:11:02 |
| R11.htm | 75091 | 2022-05-10 08:11:02 |
| R12.htm | 100175 | 2022-05-10 08:11:02 |
| R13.htm | 22640 | 2022-05-10 08:11:02 |
| R14.htm | 11416 | 2022-05-10 08:11:02 |
| R15.htm | 49151 | 2022-05-10 08:11:02 |
| R16.htm | 166913 | 2022-05-10 08:11:02 |
| R17.htm | 73503 | 2022-05-10 08:11:02 |
| R18.htm | 45044 | 2022-05-10 08:11:02 |
| R19.htm | 73041 | 2022-05-10 08:11:02 |
| R2.htm | 94984 | 2022-05-10 08:11:02 |
| R20.htm | 93357 | 2022-05-10 08:11:02 |
| R21.htm | 22718 | 2022-05-10 08:11:02 |
| R22.htm | 35415 | 2022-05-10 08:11:02 |
| R23.htm | 167012 | 2022-05-10 08:11:02 |
| R24.htm | 6309 | 2022-05-10 08:11:02 |
| R25.htm | 11173 | 2022-05-10 08:11:02 |
| R26.htm | 15064 | 2022-05-10 08:11:02 |
| R27.htm | 30356 | 2022-05-10 08:11:02 |
| R28.htm | 17289 | 2022-05-10 08:11:02 |
| R29.htm | 15703 | 2022-05-10 08:11:02 |
| R3.htm | 13313 | 2022-05-10 08:11:02 |
| R30.htm | 11444 | 2022-05-10 08:11:02 |
| R31.htm | 19728 | 2022-05-10 08:11:02 |
| R32.htm | 62091 | 2022-05-10 08:11:02 |
| R33.htm | 25972 | 2022-05-10 08:11:02 |
| R34.htm | 80555 | 2022-05-10 08:11:02 |
| R35.htm | 9919 | 2022-05-10 08:11:02 |
| R36.htm | 30373 | 2022-05-10 08:11:02 |
| R37.htm | 40110 | 2022-05-10 08:11:02 |
| R38.htm | 11183 | 2022-05-10 08:11:02 |
| R39.htm | 15038 | 2022-05-10 08:11:02 |
| R4.htm | 40655 | 2022-05-10 08:11:02 |
| R5.htm | 43661 | 2022-05-10 08:11:02 |
| R6.htm | 4013 | 2022-05-10 08:11:02 |
| R7.htm | 66179 | 2022-05-10 08:11:02 |
| R8.htm | 6088 | 2022-05-10 08:11:02 |
| R9.htm | 9483 | 2022-05-10 08:11:02 |
| report.css | 2767 | 2022-05-10 08:11:02 |
| Show.js | 1085 | 2022-05-10 08:11:02 |