Name | Size | Last Modified |
---|---|---|
0000784977-20-000064-index-headers.html | 2020-10-29 18:00:39 | |
0000784977-20-000064-index.html | 2020-10-29 18:00:39 | |
0000784977-20-000064.txt | 2020-10-29 18:00:39 | |
0000784977-20-000064-xbrl.zip | 311479 | 2020-10-29 18:00:39 |
ex10210-q0930.htm | 106898 | 2020-10-29 18:00:39 |
ex31110-q20200930.htm | 10864 | 2020-10-29 18:00:39 |
ex31210-q20200930.htm | 10891 | 2020-10-29 18:00:39 |
ex3210-q20200930.htm | 7433 | 2020-10-29 18:00:39 |
FilingSummary.xml | 30190 | 2020-10-29 18:00:39 |
Financial_Report.xlsx | 83851 | 2020-10-29 18:00:39 |
headerv21.jpg | 28459 | 2020-10-29 18:00:39 |
MetaLinks.json | 608758 | 2020-10-29 18:00:39 |
por-20200930.htm | 2034579 | 2020-10-29 18:00:39 |
por-20200930.xsd | 44624 | 2020-10-29 18:00:39 |
por-20200930_cal.xml | 99901 | 2020-10-29 18:00:39 |
por-20200930_def.xml | 285727 | 2020-10-29 18:00:39 |
por-20200930_htm.xml | 1683761 | 2020-10-29 18:00:39 |
por-20200930_lab.xml | 557998 | 2020-10-29 18:00:39 |
por-20200930_pre.xml | 358652 | 2020-10-29 18:00:39 |
R1.htm | 56167 | 2020-10-29 18:00:39 |
R10.htm | 82101 | 2020-10-29 18:00:39 |
R11.htm | 16076 | 2020-10-29 18:00:39 |
R12.htm | 103072 | 2020-10-29 18:00:39 |
R13.htm | 26435 | 2020-10-29 18:00:39 |
R14.htm | 5710 | 2020-10-29 18:00:39 |
R15.htm | 27094 | 2020-10-29 18:00:39 |
R16.htm | 41733 | 2020-10-29 18:00:39 |
R17.htm | 31870 | 2020-10-29 18:00:39 |
R18.htm | 103420 | 2020-10-29 18:00:39 |
R19.htm | 154950 | 2020-10-29 18:00:39 |
R2.htm | 85770 | 2020-10-29 18:00:39 |
R20.htm | 86530 | 2020-10-29 18:00:39 |
R21.htm | 13817 | 2020-10-29 18:00:39 |
R22.htm | 102554 | 2020-10-29 18:00:39 |
R23.htm | 23312 | 2020-10-29 18:00:39 |
R24.htm | 7099 | 2020-10-29 18:00:39 |
R25.htm | 30678 | 2020-10-29 18:00:39 |
R26.htm | 11993 | 2020-10-29 18:00:39 |
R27.htm | 10784 | 2020-10-29 18:00:39 |
R28.htm | 12062 | 2020-10-29 18:00:39 |
R29.htm | 49694 | 2020-10-29 18:00:39 |
R3.htm | 105408 | 2020-10-29 18:00:39 |
R30.htm | 15869 | 2020-10-29 18:00:39 |
R31.htm | 19912 | 2020-10-29 18:00:39 |
R32.htm | 58166 | 2020-10-29 18:00:39 |
R33.htm | 56150 | 2020-10-29 18:00:39 |
R34.htm | 21202 | 2020-10-29 18:00:39 |
R35.htm | 11790 | 2020-10-29 18:00:39 |
R36.htm | 11717 | 2020-10-29 18:00:39 |
R37.htm | 32912 | 2020-10-29 18:00:39 |
R38.htm | 8341 | 2020-10-29 18:00:39 |
R39.htm | 9291 | 2020-10-29 18:00:39 |
R4.htm | 17377 | 2020-10-29 18:00:39 |
R40.htm | 23054 | 2020-10-29 18:00:39 |
R41.htm | 14279 | 2020-10-29 18:00:39 |
R42.htm | 20988 | 2020-10-29 18:00:39 |
R43.htm | 9834 | 2020-10-29 18:00:39 |
R44.htm | 7544 | 2020-10-29 18:00:39 |
R45.htm | 56723 | 2020-10-29 18:00:39 |
R46.htm | 15068 | 2020-10-29 18:00:39 |
R47.htm | 20131 | 2020-10-29 18:00:39 |
R48.htm | 7050 | 2020-10-29 18:00:39 |
R5.htm | 84743 | 2020-10-29 18:00:39 |
R6.htm | 16312 | 2020-10-29 18:00:39 |
R7.htm | 42377 | 2020-10-29 18:00:39 |
R8.htm | 100070 | 2020-10-29 18:00:39 |
R9.htm | 169623 | 2020-10-29 18:00:39 |
report.css | 2767 | 2020-10-29 18:00:39 |
Show.js | 1085 | 2020-10-29 18:00:39 |