Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0000802481-21-000051-index-headers.html | 2021-04-28 20:25:08 | |
| 0000802481-21-000051-index.html | 2021-04-28 20:25:08 | |
| 0000802481-21-000051.txt | 2021-04-28 20:25:08 | |
 0000802481-21-000051-xbrl.zip | 732940 | 2021-04-28 20:25:08 |
| FilingSummary.xml | 50452 | 2021-04-28 20:25:08 |
| Financial_Report.xlsx | 136908 | 2021-04-28 20:25:08 |
| MetaLinks.json | 862221 | 2021-04-28 20:25:08 |
| ppc-03282021exhibit101.htm | 12049 | 2021-04-28 20:25:08 |
 ppc-03282021exhibit101001.jpg | 225424 | 2021-04-28 20:25:08 |
 ppc-03282021exhibit101002.jpg | 256476 | 2021-04-28 20:25:08 |
 ppc-03282021exhibit101003.jpg | 209009 | 2021-04-28 20:25:08 |
 ppc-03282021exhibit101004.jpg | 53303 | 2021-04-28 20:25:08 |
| ppc-03282021exhibit311.htm | 11856 | 2021-04-28 20:25:08 |
| ppc-03282021exhibit312.htm | 11870 | 2021-04-28 20:25:08 |
| ppc-03282021exhibit321.htm | 4716 | 2021-04-28 20:25:08 |
| ppc-03282021exhibit322.htm | 5061 | 2021-04-28 20:25:08 |
| ppc-20210328.htm | 2345555 | 2021-04-28 20:25:08 |
| ppc-20210328.xsd | 69494 | 2021-04-28 20:25:08 |
| ppc-20210328_cal.xml | 127478 | 2021-04-28 20:25:08 |
| ppc-20210328_def.xml | 410536 | 2021-04-28 20:25:08 |
 ppc-20210328_g1.jpg | 570328 | 2021-04-28 20:25:08 |
| ppc-20210328_htm.xml | 2586161 | 2021-04-28 20:25:08 |
| ppc-20210328_lab.xml | 844696 | 2021-04-28 20:25:08 |
| ppc-20210328_pre.xml | 590223 | 2021-04-28 20:25:08 |
| R1.htm | 52221 | 2021-04-28 20:25:08 |
| R10.htm | 23009 | 2021-04-28 20:25:08 |
| R11.htm | 12449 | 2021-04-28 20:25:08 |
| R12.htm | 13730 | 2021-04-28 20:25:08 |
| R13.htm | 46854 | 2021-04-28 20:25:08 |
| R14.htm | 20106 | 2021-04-28 20:25:08 |
| R15.htm | 30085 | 2021-04-28 20:25:08 |
| R16.htm | 9930 | 2021-04-28 20:25:08 |
| R17.htm | 44795 | 2021-04-28 20:25:08 |
| R18.htm | 65652 | 2021-04-28 20:25:08 |
| R19.htm | 242798 | 2021-04-28 20:25:08 |
| R2.htm | 108381 | 2021-04-28 20:25:08 |
| R20.htm | 6475 | 2021-04-28 20:25:08 |
| R21.htm | 45186 | 2021-04-28 20:25:08 |
| R22.htm | 60470 | 2021-04-28 20:25:08 |
| R23.htm | 52605 | 2021-04-28 20:25:08 |
| R24.htm | 34245 | 2021-04-28 20:25:08 |
| R25.htm | 24862 | 2021-04-28 20:25:08 |
| R26.htm | 19921 | 2021-04-28 20:25:08 |
| R27.htm | 50930 | 2021-04-28 20:25:08 |
| R28.htm | 49768 | 2021-04-28 20:25:08 |
| R29.htm | 23143 | 2021-04-28 20:25:08 |
| R3.htm | 78430 | 2021-04-28 20:25:08 |
| R30.htm | 13474 | 2021-04-28 20:25:08 |
| R31.htm | 11667 | 2021-04-28 20:25:08 |
| R32.htm | 48194 | 2021-04-28 20:25:08 |
| R33.htm | 16307 | 2021-04-28 20:25:08 |
| R34.htm | 30254 | 2021-04-28 20:25:08 |
| R35.htm | 25605 | 2021-04-28 20:25:08 |
| R36.htm | 64609 | 2021-04-28 20:25:08 |
| R37.htm | 239162 | 2021-04-28 20:25:08 |
| R38.htm | 37296 | 2021-04-28 20:25:08 |
| R39.htm | 59187 | 2021-04-28 20:25:08 |
| R4.htm | 62658 | 2021-04-28 20:25:08 |
| R40.htm | 47734 | 2021-04-28 20:25:08 |
| R41.htm | 23128 | 2021-04-28 20:25:08 |
| R42.htm | 11735 | 2021-04-28 20:25:08 |
| R43.htm | 54098 | 2021-04-28 20:25:08 |
| R44.htm | 9108 | 2021-04-28 20:25:08 |
| R45.htm | 11847 | 2021-04-28 20:25:08 |
| R46.htm | 26941 | 2021-04-28 20:25:08 |
| R47.htm | 10855 | 2021-04-28 20:25:08 |
| R48.htm | 17420 | 2021-04-28 20:25:08 |
| R49.htm | 26656 | 2021-04-28 20:25:08 |
| R5.htm | 48779 | 2021-04-28 20:25:08 |
| R50.htm | 14734 | 2021-04-28 20:25:08 |
| R51.htm | 12085 | 2021-04-28 20:25:08 |
| R52.htm | 14584 | 2021-04-28 20:25:08 |
| R53.htm | 38972 | 2021-04-28 20:25:08 |
| R54.htm | 13430 | 2021-04-28 20:25:08 |
| R55.htm | 25134 | 2021-04-28 20:25:08 |
| R56.htm | 22304 | 2021-04-28 20:25:08 |
| R57.htm | 47426 | 2021-04-28 20:25:08 |
| R58.htm | 17983 | 2021-04-28 20:25:08 |
| R59.htm | 57084 | 2021-04-28 20:25:08 |
| R6.htm | 82616 | 2021-04-28 20:25:08 |
| R60.htm | 140717 | 2021-04-28 20:25:08 |
| R61.htm | 46078 | 2021-04-28 20:25:08 |
| R62.htm | 39360 | 2021-04-28 20:25:08 |
| R63.htm | 9474 | 2021-04-28 20:25:08 |
| R64.htm | 45735 | 2021-04-28 20:25:08 |
| R65.htm | 69244 | 2021-04-28 20:25:08 |
| R66.htm | 25319 | 2021-04-28 20:25:08 |
| R67.htm | 20608 | 2021-04-28 20:25:08 |
| R68.htm | 21632 | 2021-04-28 20:25:08 |
| R69.htm | 87766 | 2021-04-28 20:25:08 |
| R7.htm | 28056 | 2021-04-28 20:25:08 |
| R70.htm | 20843 | 2021-04-28 20:25:08 |
| R71.htm | 22096 | 2021-04-28 20:25:08 |
| R72.htm | 21273 | 2021-04-28 20:25:08 |
| R73.htm | 27422 | 2021-04-28 20:25:08 |
| R74.htm | 28691 | 2021-04-28 20:25:08 |
| R75.htm | 46391 | 2021-04-28 20:25:08 |
| R76.htm | 4357 | 2021-04-28 20:25:08 |
| R77.htm | 48963 | 2021-04-28 20:25:08 |
| R78.htm | 19663 | 2021-04-28 20:25:08 |
| R79.htm | 28453 | 2021-04-28 20:25:08 |
| R8.htm | 58689 | 2021-04-28 20:25:08 |
| R9.htm | 58788 | 2021-04-28 20:25:08 |
| report.css | 2767 | 2021-04-28 20:25:08 |
| Show.js | 1085 | 2021-04-28 20:25:08 |