Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0000950170-21-003159-index-headers.html | 2021-11-05 07:57:08 | |
| 0000950170-21-003159-index.html | 2021-11-05 07:57:08 | |
| 0000950170-21-003159.txt | 2021-11-05 07:57:08 | |
 0000950170-21-003159-xbrl.zip | 337559 | 2021-11-05 07:57:08 |
| FilingSummary.xml | 35426 | 2021-11-05 07:57:08 |
| Financial_Report.xlsx | 103333 | 2021-11-05 07:57:08 |
| MetaLinks.json | 759750 | 2021-11-05 07:57:08 |
| pei-20210930.htm | 5009096 | 2021-11-05 07:57:08 |
| pei-20210930.xsd | 90095 | 2021-11-05 07:57:08 |
| pei-20210930_cal.xml | 95957 | 2021-11-05 07:57:08 |
| pei-20210930_def.xml | 285577 | 2021-11-05 07:57:08 |
| pei-20210930_htm.xml | 2405080 | 2021-11-05 07:57:08 |
| pei-20210930_lab.xml | 596029 | 2021-11-05 07:57:08 |
| pei-20210930_pre.xml | 446891 | 2021-11-05 07:57:08 |
| pei-ex31_1.htm | 26760 | 2021-11-05 07:57:08 |
| pei-ex31_2.htm | 23258 | 2021-11-05 07:57:08 |
| pei-ex32_1.htm | 14098 | 2021-11-05 07:57:08 |
| pei-ex32_2.htm | 14481 | 2021-11-05 07:57:08 |
| R1.htm | 63805 | 2021-11-05 07:57:08 |
| R10.htm | 89314 | 2021-11-05 07:57:08 |
| R11.htm | 221384 | 2021-11-05 07:57:08 |
| R12.htm | 157872 | 2021-11-05 07:57:08 |
| R13.htm | 28478 | 2021-11-05 07:57:08 |
| R14.htm | 152804 | 2021-11-05 07:57:08 |
| R15.htm | 309764 | 2021-11-05 07:57:08 |
| R16.htm | 15056 | 2021-11-05 07:57:08 |
| R17.htm | 52153 | 2021-11-05 07:57:08 |
| R18.htm | 78155 | 2021-11-05 07:57:08 |
| R19.htm | 195667 | 2021-11-05 07:57:08 |
| R2.htm | 112834 | 2021-11-05 07:57:08 |
| R20.htm | 73348 | 2021-11-05 07:57:08 |
| R21.htm | 21629 | 2021-11-05 07:57:08 |
| R22.htm | 135729 | 2021-11-05 07:57:08 |
| R23.htm | 309448 | 2021-11-05 07:57:08 |
| R24.htm | 32174 | 2021-11-05 07:57:08 |
| R25.htm | 13203 | 2021-11-05 07:57:08 |
| R26.htm | 14832 | 2021-11-05 07:57:08 |
| R27.htm | 11677 | 2021-11-05 07:57:08 |
| R28.htm | 33842 | 2021-11-05 07:57:08 |
| R29.htm | 36996 | 2021-11-05 07:57:08 |
| R3.htm | 30477 | 2021-11-05 07:57:08 |
| R30.htm | 22626 | 2021-11-05 07:57:08 |
| R31.htm | 4589 | 2021-11-05 07:57:08 |
| R32.htm | 15388 | 2021-11-05 07:57:08 |
| R33.htm | 40925 | 2021-11-05 07:57:08 |
| R34.htm | 30070 | 2021-11-05 07:57:08 |
| R35.htm | 196674 | 2021-11-05 07:57:08 |
| R36.htm | 13985 | 2021-11-05 07:57:08 |
| R37.htm | 8142 | 2021-11-05 07:57:08 |
| R38.htm | 11941 | 2021-11-05 07:57:08 |
| R39.htm | 6151 | 2021-11-05 07:57:08 |
| R4.htm | 136844 | 2021-11-05 07:57:08 |
| R40.htm | 39545 | 2021-11-05 07:57:08 |
| R41.htm | 15253 | 2021-11-05 07:57:08 |
| R42.htm | 20951 | 2021-11-05 07:57:08 |
| R43.htm | 20456 | 2021-11-05 07:57:08 |
| R44.htm | 11641 | 2021-11-05 07:57:08 |
| R45.htm | 48712 | 2021-11-05 07:57:08 |
| R46.htm | 16805 | 2021-11-05 07:57:08 |
| R47.htm | 11621 | 2021-11-05 07:57:08 |
| R48.htm | 14042 | 2021-11-05 07:57:08 |
| R49.htm | 24298 | 2021-11-05 07:57:08 |
| R5.htm | 31364 | 2021-11-05 07:57:08 |
| R50.htm | 18370 | 2021-11-05 07:57:08 |
| R51.htm | 57547 | 2021-11-05 07:57:08 |
| R52.htm | 16177 | 2021-11-05 07:57:08 |
| R53.htm | 11234 | 2021-11-05 07:57:08 |
| R54.htm | 14658 | 2021-11-05 07:57:08 |
| R55.htm | 11394 | 2021-11-05 07:57:08 |
| R6.htm | 95908 | 2021-11-05 07:57:08 |
| R7.htm | 18700 | 2021-11-05 07:57:08 |
| R8.htm | 103152 | 2021-11-05 07:57:08 |
| R9.htm | 45886 | 2021-11-05 07:57:08 |
| report.css | 2767 | 2021-11-05 07:57:08 |
| Show.js | 1085 | 2021-11-05 07:57:08 |