Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0001085392-19-000007-index-headers.html | 2019-02-21 16:08:57 | |
| 0001085392-19-000007-index.html | 2019-02-21 16:08:57 | |
| 0001085392-19-000007.txt | 2019-02-21 16:08:57 | |
 0001085392-19-000007-xbrl.zip | 601953 | 2019-02-21 16:08:57 |
 chart-0609f68b7a845d1c9a5.jpg | 86600 | 2019-02-21 16:08:57 |
 chart-0eed5b5f89185e9399e.jpg | 68450 | 2019-02-21 16:08:57 |
 chart-1906b2996d1b576397c.jpg | 80212 | 2019-02-21 16:08:57 |
 chart-388b804a022c5414a54.jpg | 82829 | 2019-02-21 16:08:57 |
 chart-5dec600beb0e573dbcd.jpg | 65894 | 2019-02-21 16:08:57 |
 chart-9d0f9a262ce456cb8dd.jpg | 76236 | 2019-02-21 16:08:57 |
 chart-dbca1bf4ea9c5b2796e.jpg | 83218 | 2019-02-21 16:08:57 |
 chart-e3ddf99fad905d3aac2.jpg | 64207 | 2019-02-21 16:08:57 |
| FilingSummary.xml | 59925 | 2019-02-21 16:08:57 |
| Financial_Report.xlsx | 183173 | 2019-02-21 16:08:57 |
| pe-12312018x10k.htm | 5339197 | 2019-02-21 16:08:57 |
| pe201810k-exhibit211.htm | 3558 | 2019-02-21 16:08:57 |
| pe201810k-exhibit212.htm | 2579 | 2019-02-21 16:08:57 |
| pe201810k-exhibit231.htm | 3106 | 2019-02-21 16:08:57 |
| pe201810k-exhibit311.htm | 10797 | 2019-02-21 16:08:57 |
| pe201810k-exhibit312.htm | 11035 | 2019-02-21 16:08:57 |
| pe201810k-exhibit313.htm | 10811 | 2019-02-21 16:08:57 |
| pe201810k-exhibit314.htm | 11052 | 2019-02-21 16:08:57 |
| pe201810k-exhibit321.htm | 6741 | 2019-02-21 16:08:57 |
| pe201810k-exhibit322.htm | 6748 | 2019-02-21 16:08:57 |
 pelogoa03a02a18.jpg | 22581 | 2019-02-21 16:08:57 |
| psd-20181231.xml | 6451612 | 2019-02-21 16:08:57 |
| psd-20181231.xsd | 132487 | 2019-02-21 16:08:57 |
| psd-20181231_cal.xml | 188640 | 2019-02-21 16:08:57 |
| psd-20181231_def.xml | 1085718 | 2019-02-21 16:08:57 |
| psd-20181231_lab.xml | 1492452 | 2019-02-21 16:08:57 |
| psd-20181231_pre.xml | 1146679 | 2019-02-21 16:08:57 |
 pselogocolorsmalla21.jpg | 66685 | 2019-02-21 16:08:57 |
| R1.htm | 44604 | 2019-02-21 16:08:57 |
| R10.htm | 43822 | 2019-02-21 16:08:57 |
| R11.htm | 198911 | 2019-02-21 16:08:57 |
| R12.htm | 9598 | 2019-02-21 16:08:57 |
| R13.htm | 154151 | 2019-02-21 16:08:57 |
| R14.htm | 136040 | 2019-02-21 16:08:57 |
| R15.htm | 16340 | 2019-02-21 16:08:57 |
| R16.htm | 26679 | 2019-02-21 16:08:57 |
| R17.htm | 179080 | 2019-02-21 16:08:57 |
| R18.htm | 287665 | 2019-02-21 16:08:57 |
| R19.htm | 12616 | 2019-02-21 16:08:57 |
| R2.htm | 70735 | 2019-02-21 16:08:57 |
| R20.htm | 628314 | 2019-02-21 16:08:57 |
| R21.htm | 152579 | 2019-02-21 16:08:57 |
| R22.htm | 13924 | 2019-02-21 16:08:57 |
| R23.htm | 172843 | 2019-02-21 16:08:57 |
| R24.htm | 6098 | 2019-02-21 16:08:57 |
| R25.htm | 5947 | 2019-02-21 16:08:57 |
| R26.htm | 195370 | 2019-02-21 16:08:57 |
| R27.htm | 120142 | 2019-02-21 16:08:57 |
| R28.htm | 37910 | 2019-02-21 16:08:57 |
| R29.htm | 89971 | 2019-02-21 16:08:57 |
| R3.htm | 27419 | 2019-02-21 16:08:57 |
| R30.htm | 21401 | 2019-02-21 16:08:57 |
| R31.htm | 13602 | 2019-02-21 16:08:57 |
| R32.htm | 169846 | 2019-02-21 16:08:57 |
| R33.htm | 145795 | 2019-02-21 16:08:57 |
| R34.htm | 131868 | 2019-02-21 16:08:57 |
| R35.htm | 26660 | 2019-02-21 16:08:57 |
| R36.htm | 178871 | 2019-02-21 16:08:57 |
| R37.htm | 281961 | 2019-02-21 16:08:57 |
| R38.htm | 638859 | 2019-02-21 16:08:57 |
| R39.htm | 146622 | 2019-02-21 16:08:57 |
| R4.htm | 12295 | 2019-02-21 16:08:57 |
| R40.htm | 174528 | 2019-02-21 16:08:57 |
| R41.htm | 196402 | 2019-02-21 16:08:57 |
| R42.htm | 70636 | 2019-02-21 16:08:57 |
| R43.htm | 8787 | 2019-02-21 16:08:57 |
| R44.htm | 23012 | 2019-02-21 16:08:57 |
| R45.htm | 25563 | 2019-02-21 16:08:57 |
| R46.htm | 105226 | 2019-02-21 16:08:57 |
| R47.htm | 67887 | 2019-02-21 16:08:57 |
| R48.htm | 93222 | 2019-02-21 16:08:57 |
| R49.htm | 17723 | 2019-02-21 16:08:57 |
| R5.htm | 163540 | 2019-02-21 16:08:57 |
| R50.htm | 62594 | 2019-02-21 16:08:57 |
| R51.htm | 38990 | 2019-02-21 16:08:57 |
| R52.htm | 26428 | 2019-02-21 16:08:57 |
| R53.htm | 116093 | 2019-02-21 16:08:57 |
| R54.htm | 60593 | 2019-02-21 16:08:57 |
| R55.htm | 27362 | 2019-02-21 16:08:57 |
| R56.htm | 53194 | 2019-02-21 16:08:57 |
| R57.htm | 5960 | 2019-02-21 16:08:57 |
| R58.htm | 35969 | 2019-02-21 16:08:57 |
| R59.htm | 17720 | 2019-02-21 16:08:57 |
| R6.htm | 19436 | 2019-02-21 16:08:57 |
| R60.htm | 42560 | 2019-02-21 16:08:57 |
| R61.htm | 25927 | 2019-02-21 16:08:57 |
| R62.htm | 9791 | 2019-02-21 16:08:57 |
| R63.htm | 23719 | 2019-02-21 16:08:57 |
| R64.htm | 22804 | 2019-02-21 16:08:57 |
| R65.htm | 36855 | 2019-02-21 16:08:57 |
| R66.htm | 34818 | 2019-02-21 16:08:57 |
| R67.htm | 32131 | 2019-02-21 16:08:57 |
| R68.htm | 33409 | 2019-02-21 16:08:57 |
| R69.htm | 85606 | 2019-02-21 16:08:57 |
| R7.htm | 34760 | 2019-02-21 16:08:57 |
| R70.htm | 26671 | 2019-02-21 16:08:57 |
| R71.htm | 67155 | 2019-02-21 16:08:57 |
| R72.htm | 106080 | 2019-02-21 16:08:57 |
| R73.htm | 45230 | 2019-02-21 16:08:57 |
| R74.htm | 57298 | 2019-02-21 16:08:57 |
| R75.htm | 34981 | 2019-02-21 16:08:57 |
| R76.htm | 81963 | 2019-02-21 16:08:57 |
| R77.htm | 10667 | 2019-02-21 16:08:57 |
| R78.htm | 27815 | 2019-02-21 16:08:57 |
| R79.htm | 38605 | 2019-02-21 16:08:57 |
| R8.htm | 111375 | 2019-02-21 16:08:57 |
| R80.htm | 33442 | 2019-02-21 16:08:57 |
| R81.htm | 50233 | 2019-02-21 16:08:57 |
| R82.htm | 29303 | 2019-02-21 16:08:57 |
| R83.htm | 19985 | 2019-02-21 16:08:57 |
| R84.htm | 17603 | 2019-02-21 16:08:57 |
| R85.htm | 131932 | 2019-02-21 16:08:57 |
| R86.htm | 7806 | 2019-02-21 16:08:57 |
| R87.htm | 8049 | 2019-02-21 16:08:57 |
| R88.htm | 48476 | 2019-02-21 16:08:57 |
| R89.htm | 53807 | 2019-02-21 16:08:57 |
| R9.htm | 53361 | 2019-02-21 16:08:57 |
| R90.htm | 22046 | 2019-02-21 16:08:57 |
| R91.htm | 31738 | 2019-02-21 16:08:57 |
| R92.htm | 75619 | 2019-02-21 16:08:57 |
| R93.htm | 43990 | 2019-02-21 16:08:57 |
| R94.htm | 26305 | 2019-02-21 16:08:57 |
| R95.htm | 10366 | 2019-02-21 16:08:57 |
| report.css | 2768 | 2019-02-21 16:08:57 |
| Show.js | 1086 | 2019-02-21 16:08:57 |