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| 0001564590-20-039177-index.html | 2020-08-11 11:44:26 | |
| 0001564590-20-039177.txt | 2020-08-11 11:44:26 | |
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| FilingSummary.xml | 1840 | 2020-08-11 11:44:26 |
| Financial_Report.xlsx | 5799 | 2020-08-11 11:44:26 |
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| pei-20200810.xsd | 6468 | 2020-08-11 11:44:26 |
| pei-20200810_def.xml | 15655 | 2020-08-11 11:44:26 |
| pei-20200810_lab.xml | 27238 | 2020-08-11 11:44:26 |
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| pei-8k_20200810.htm | 50212 | 2020-08-11 11:44:26 |
| pei-8k_20200810_htm.xml | 8302 | 2020-08-11 11:44:26 |
| pei-ex991_56.htm | 6928837 | 2020-08-11 11:44:26 |
| R1.htm | 50977 | 2020-08-11 11:44:26 |
| report.css | 2767 | 2020-08-11 11:44:26 |
| Show.js | 1085 | 2020-08-11 11:44:26 |