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| 0001564590-21-041956-index.html | 2021-08-06 10:36:06 | |
| 0001564590-21-041956.txt | 2021-08-06 10:36:06 | |
 0001564590-21-041956-xbrl.zip | 158422 | 2021-08-06 10:36:06 |
| FilingSummary.xml | 1838 | 2021-08-06 10:36:06 |
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| MetaLinks.json | 24633 | 2021-08-06 10:36:06 |
| pei-20210805.xsd | 6377 | 2021-08-06 10:36:06 |
| pei-20210805_def.xml | 15918 | 2021-08-06 10:36:06 |
| pei-20210805_lab.xml | 27800 | 2021-08-06 10:36:06 |
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| pei-8ka_20210805_htm.xml | 9055 | 2021-08-06 10:36:06 |
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| R1.htm | 53093 | 2021-08-06 10:36:06 |
| report.css | 2767 | 2021-08-06 10:36:06 |
| Show.js | 1085 | 2021-08-06 10:36:06 |