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|---|---|---|
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| 0000950170-22-007995-index.html | 2022-05-06 07:55:03 | |
| 0000950170-22-007995.txt | 2022-05-06 07:55:03 | |
 0000950170-22-007995-xbrl.zip | 323714 | 2022-05-06 07:55:03 |
| FilingSummary.xml | 34453 | 2022-05-06 07:55:03 |
| Financial_Report.xlsx | 96291 | 2022-05-06 07:55:03 |
| MetaLinks.json | 736502 | 2022-05-06 07:55:03 |
| pei-20220331.htm | 3283680 | 2022-05-06 07:55:03 |
| pei-20220331.xsd | 85853 | 2022-05-06 07:55:03 |
| pei-20220331_cal.xml | 84504 | 2022-05-06 07:55:03 |
| pei-20220331_def.xml | 268068 | 2022-05-06 07:55:03 |
| pei-20220331_htm.xml | 1802967 | 2022-05-06 07:55:03 |
| pei-20220331_lab.xml | 582893 | 2022-05-06 07:55:03 |
| pei-20220331_pre.xml | 423024 | 2022-05-06 07:55:03 |
| pei-ex10_1.htm | 326387 | 2022-05-06 07:55:03 |
| pei-ex10_2.htm | 60743 | 2022-05-06 07:55:03 |
| pei-ex10_3.htm | 51547 | 2022-05-06 07:55:03 |
| pei-ex10_4.htm | 16549 | 2022-05-06 07:55:03 |
| pei-ex31_1.htm | 28561 | 2022-05-06 07:55:03 |
| pei-ex31_2.htm | 24818 | 2022-05-06 07:55:03 |
| pei-ex32_1.htm | 14912 | 2022-05-06 07:55:03 |
| pei-ex32_2.htm | 15318 | 2022-05-06 07:55:03 |
| R1.htm | 64025 | 2022-05-06 07:55:03 |
| R10.htm | 69648 | 2022-05-06 07:55:03 |
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| report.css | 2767 | 2022-05-06 07:55:03 |
| Show.js | 1085 | 2022-05-06 07:55:03 |