Name | Size | Last Modified |
---|---|---|
0000784977-23-000042-index-headers.html | 2023-03-09 18:43:36 | |
0000784977-23-000042-index.html | 2023-03-09 18:43:36 | |
0000784977-23-000042.txt | 2023-03-09 18:43:36 | |
0000784977-23-000042-xbrl.zip | 7285817 | 2023-03-09 18:43:36 |
FilingSummary.xml | 5457 | 2023-03-09 18:43:36 |
Financial_Report.xlsx | 9682 | 2023-03-09 18:43:36 |
MetaLinks.json | 148995 | 2023-03-09 18:43:36 |
por-20230309.htm | 1989997 | 2023-03-09 18:43:36 |
por-20230309.xsd | 3904 | 2023-03-09 18:43:36 |
por-20230309_def.xml | 4872 | 2023-03-09 18:43:36 |
por-20230309_g1.jpg | 331282 | 2023-03-09 18:43:36 |
por-20230309_g10.jpg | 55826 | 2023-03-09 18:43:36 |
por-20230309_g11.jpg | 56347 | 2023-03-09 18:43:36 |
por-20230309_g12.jpg | 54230 | 2023-03-09 18:43:36 |
por-20230309_g13.jpg | 64951 | 2023-03-09 18:43:36 |
por-20230309_g14.jpg | 60025 | 2023-03-09 18:43:36 |
por-20230309_g15.jpg | 46051 | 2023-03-09 18:43:36 |
por-20230309_g16.jpg | 300150 | 2023-03-09 18:43:36 |
por-20230309_g17.jpg | 81103 | 2023-03-09 18:43:36 |
por-20230309_g18.jpg | 157754 | 2023-03-09 18:43:36 |
por-20230309_g19.jpg | 503031 | 2023-03-09 18:43:36 |
por-20230309_g2.jpg | 108548 | 2023-03-09 18:43:36 |
por-20230309_g20.jpg | 22280 | 2023-03-09 18:43:36 |
por-20230309_g21.jpg | 21303 | 2023-03-09 18:43:36 |
por-20230309_g22.jpg | 25057 | 2023-03-09 18:43:36 |
por-20230309_g23.jpg | 28057 | 2023-03-09 18:43:36 |
por-20230309_g24.jpg | 37390 | 2023-03-09 18:43:36 |
por-20230309_g25.jpg | 33838 | 2023-03-09 18:43:36 |
por-20230309_g26.jpg | 34867 | 2023-03-09 18:43:36 |
por-20230309_g27.jpg | 103520 | 2023-03-09 18:43:36 |
por-20230309_g28.jpg | 120045 | 2023-03-09 18:43:36 |
por-20230309_g29.jpg | 116218 | 2023-03-09 18:43:36 |
por-20230309_g3.gif | 2319 | 2023-03-09 18:43:36 |
por-20230309_g30.jpg | 113349 | 2023-03-09 18:43:36 |
por-20230309_g31.jpg | 99604 | 2023-03-09 18:43:36 |
por-20230309_g32.jpg | 89113 | 2023-03-09 18:43:36 |
por-20230309_g33.jpg | 106898 | 2023-03-09 18:43:36 |
por-20230309_g34.jpg | 100786 | 2023-03-09 18:43:36 |
por-20230309_g35.jpg | 129733 | 2023-03-09 18:43:36 |
por-20230309_g36.jpg | 86618 | 2023-03-09 18:43:36 |
por-20230309_g37.gif | 106491 | 2023-03-09 18:43:36 |
por-20230309_g38.gif | 10939 | 2023-03-09 18:43:36 |
por-20230309_g39.gif | 3823 | 2023-03-09 18:43:36 |
por-20230309_g4.gif | 96242 | 2023-03-09 18:43:36 |
por-20230309_g40.gif | 7304 | 2023-03-09 18:43:36 |
por-20230309_g41.gif | 9692 | 2023-03-09 18:43:36 |
por-20230309_g42.jpg | 70161 | 2023-03-09 18:43:36 |
por-20230309_g43.jpg | 72065 | 2023-03-09 18:43:36 |
por-20230309_g44.jpg | 55596 | 2023-03-09 18:43:36 |
por-20230309_g45.jpg | 52837 | 2023-03-09 18:43:36 |
por-20230309_g46.jpg | 70732 | 2023-03-09 18:43:36 |
por-20230309_g47.jpg | 56373 | 2023-03-09 18:43:36 |
por-20230309_g48.jpg | 56980 | 2023-03-09 18:43:36 |
por-20230309_g49.jpg | 51928 | 2023-03-09 18:43:36 |
por-20230309_g5.jpg | 2842 | 2023-03-09 18:43:36 |
por-20230309_g50.jpg | 70654 | 2023-03-09 18:43:36 |
por-20230309_g51.jpg | 54490 | 2023-03-09 18:43:36 |
por-20230309_g52.jpg | 52110 | 2023-03-09 18:43:36 |
por-20230309_g53.jpg | 19751 | 2023-03-09 18:43:36 |
por-20230309_g54.jpg | 117763 | 2023-03-09 18:43:36 |
por-20230309_g55.jpg | 13871 | 2023-03-09 18:43:36 |
por-20230309_g56.jpg | 19644 | 2023-03-09 18:43:36 |
por-20230309_g57.jpg | 88833 | 2023-03-09 18:43:36 |
por-20230309_g58.jpg | 111241 | 2023-03-09 18:43:36 |
por-20230309_g59.jpg | 89093 | 2023-03-09 18:43:36 |
por-20230309_g6.jpg | 38239 | 2023-03-09 18:43:36 |
por-20230309_g60.jpg | 84937 | 2023-03-09 18:43:36 |
por-20230309_g61.jpg | 115566 | 2023-03-09 18:43:36 |
por-20230309_g62.jpg | 94987 | 2023-03-09 18:43:36 |
por-20230309_g63.jpg | 116312 | 2023-03-09 18:43:36 |
por-20230309_g64.jpg | 96252 | 2023-03-09 18:43:36 |
por-20230309_g65.jpg | 80114 | 2023-03-09 18:43:36 |
por-20230309_g66.jpg | 87035 | 2023-03-09 18:43:36 |
por-20230309_g67.jpg | 101835 | 2023-03-09 18:43:36 |
por-20230309_g68.jpg | 73106 | 2023-03-09 18:43:36 |
por-20230309_g69.jpg | 114864 | 2023-03-09 18:43:36 |
por-20230309_g7.jpg | 148313 | 2023-03-09 18:43:36 |
por-20230309_g70.jpg | 1113391 | 2023-03-09 18:43:36 |
por-20230309_g71.jpg | 52228 | 2023-03-09 18:43:36 |
por-20230309_g72.jpg | 78306 | 2023-03-09 18:43:36 |
por-20230309_g73.jpg | 47951 | 2023-03-09 18:43:36 |
por-20230309_g74.jpg | 47140 | 2023-03-09 18:43:36 |
por-20230309_g75.jpg | 145739 | 2023-03-09 18:43:36 |
por-20230309_g76.jpg | 139126 | 2023-03-09 18:43:36 |
por-20230309_g77.jpg | 131658 | 2023-03-09 18:43:36 |
por-20230309_g78.jpg | 132038 | 2023-03-09 18:43:36 |
por-20230309_g79.jpg | 180954 | 2023-03-09 18:43:36 |
por-20230309_g8.jpg | 67037 | 2023-03-09 18:43:36 |
por-20230309_g80.jpg | 69643 | 2023-03-09 18:43:36 |
por-20230309_g81.jpg | 75778 | 2023-03-09 18:43:36 |
por-20230309_g82.jpg | 73796 | 2023-03-09 18:43:36 |
por-20230309_g83.jpg | 305282 | 2023-03-09 18:43:36 |
por-20230309_g9.jpg | 71397 | 2023-03-09 18:43:36 |
por-20230309_htm.xml | 97694 | 2023-03-09 18:43:36 |
por-20230309_lab.xml | 7661 | 2023-03-09 18:43:36 |
por-20230309_pre.xml | 4510 | 2023-03-09 18:43:36 |
R1.htm | 10856 | 2023-03-09 18:43:36 |
R2.htm | 107681 | 2023-03-09 18:43:36 |
report.css | 2767 | 2023-03-09 18:43:36 |
Show.js | 1085 | 2023-03-09 18:43:36 |