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| 0001564590-20-052747-index.html | 2020-11-10 08:00:58 | |
| 0001564590-20-052747.txt | 2020-11-10 08:00:58 | |
 0001564590-20-052747-xbrl.zip | 83282 | 2020-11-10 08:00:58 |
| FilingSummary.xml | 23472 | 2020-11-10 08:00:58 |
| Financial_Report.xlsx | 52222 | 2020-11-10 08:00:58 |
| prld-10q_20200930.htm | 2151610 | 2020-11-10 08:00:58 |
| prld-20200930.xml | 775784 | 2020-11-10 08:00:58 |
| prld-20200930.xsd | 34298 | 2020-11-10 08:00:58 |
| prld-20200930_cal.xml | 22380 | 2020-11-10 08:00:58 |
| prld-20200930_def.xml | 158518 | 2020-11-10 08:00:58 |
| prld-20200930_lab.xml | 289341 | 2020-11-10 08:00:58 |
| prld-20200930_pre.xml | 234074 | 2020-11-10 08:00:58 |
| prld-ex311_9.htm | 17950 | 2020-11-10 08:00:58 |
| prld-ex312_8.htm | 17962 | 2020-11-10 08:00:58 |
| prld-ex31_234.htm | 51836 | 2020-11-10 08:00:58 |
| prld-ex321_7.htm | 9575 | 2020-11-10 08:00:58 |
| prld-ex322_6.htm | 9650 | 2020-11-10 08:00:58 |
| prld-ex32_235.htm | 297302 | 2020-11-10 08:00:58 |
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| R9.htm | 9177 | 2020-11-10 08:00:58 |
| report.css | 2767 | 2020-11-10 08:00:58 |
| Show.js | 1085 | 2020-11-10 08:00:58 |