Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0001104659-23-113318-index-headers.html | 2023-11-01 13:57:37 | |
| 0001104659-23-113318-index.html | 2023-11-01 13:57:37 | |
| 0001104659-23-113318.txt | 2023-11-01 13:57:37 | |
 0001104659-23-113318-xbrl.zip | 1241780 | 2023-11-01 13:57:37 |
| FilingSummary.xml | 93556 | 2023-11-01 13:57:37 |
| Financial_Report.xlsx | 380223 | 2023-11-01 13:57:37 |
| MetaLinks.json | 2020000 | 2023-11-01 13:57:37 |
| pfg-20230930.xsd | 206801 | 2023-11-01 13:57:37 |
| pfg-20230930x10q.htm | 16396767 | 2023-11-01 13:57:37 |
 pfg-20230930x10q067.jpg | 29408 | 2023-11-01 13:57:37 |
| pfg-20230930x10q_htm.xml | 24868851 | 2023-11-01 13:57:37 |
| pfg-20230930xex31d1.htm | 11543 | 2023-11-01 13:57:37 |
| pfg-20230930xex31d2.htm | 11575 | 2023-11-01 13:57:37 |
| pfg-20230930xex32d1.htm | 3950 | 2023-11-01 13:57:37 |
| pfg-20230930xex32d2.htm | 3987 | 2023-11-01 13:57:37 |
| pfg-20230930_cal.xml | 190085 | 2023-11-01 13:57:37 |
| pfg-20230930_def.xml | 1197083 | 2023-11-01 13:57:37 |
| pfg-20230930_lab.xml | 1534630 | 2023-11-01 13:57:37 |
| pfg-20230930_pre.xml | 1526335 | 2023-11-01 13:57:37 |
| R1.htm | 51559 | 2023-11-01 13:57:37 |
| R10.htm | 1745870 | 2023-11-01 13:57:37 |
| R100.htm | 28071 | 2023-11-01 13:57:37 |
| R101.htm | 38064 | 2023-11-01 13:57:37 |
| R102.htm | 51292 | 2023-11-01 13:57:37 |
| R103.htm | 38805 | 2023-11-01 13:57:37 |
| R104.htm | 110166 | 2023-11-01 13:57:37 |
| R105.htm | 38791 | 2023-11-01 13:57:37 |
| R106.htm | 69408 | 2023-11-01 13:57:37 |
| R107.htm | 30483 | 2023-11-01 13:57:37 |
| R108.htm | 30073 | 2023-11-01 13:57:37 |
| R109.htm | 21052 | 2023-11-01 13:57:37 |
| R11.htm | 753244 | 2023-11-01 13:57:37 |
| R110.htm | 46965 | 2023-11-01 13:57:37 |
| R111.htm | 41494 | 2023-11-01 13:57:37 |
| R112.htm | 46111 | 2023-11-01 13:57:37 |
| R113.htm | 8314 | 2023-11-01 13:57:37 |
| R114.htm | 27184 | 2023-11-01 13:57:37 |
| R115.htm | 8118 | 2023-11-01 13:57:37 |
| R116.htm | 31816 | 2023-11-01 13:57:37 |
| R117.htm | 20014 | 2023-11-01 13:57:37 |
| R118.htm | 71440 | 2023-11-01 13:57:37 |
| R119.htm | 23937 | 2023-11-01 13:57:37 |
| R12.htm | 169756 | 2023-11-01 13:57:37 |
| R120.htm | 48106 | 2023-11-01 13:57:37 |
| R121.htm | 7896 | 2023-11-01 13:57:37 |
| R122.htm | 42151 | 2023-11-01 13:57:37 |
| R123.htm | 84391 | 2023-11-01 13:57:37 |
| R124.htm | 72643 | 2023-11-01 13:57:37 |
| R125.htm | 117210 | 2023-11-01 13:57:37 |
| R126.htm | 162602 | 2023-11-01 13:57:37 |
| R127.htm | 29815 | 2023-11-01 13:57:37 |
| R128.htm | 120347 | 2023-11-01 13:57:37 |
| R129.htm | 13823 | 2023-11-01 13:57:37 |
| R13.htm | 203440 | 2023-11-01 13:57:37 |
| R130.htm | 46589 | 2023-11-01 13:57:37 |
| R131.htm | 19986 | 2023-11-01 13:57:37 |
| R132.htm | 63715 | 2023-11-01 13:57:37 |
| R133.htm | 15105 | 2023-11-01 13:57:37 |
| R134.htm | 32973 | 2023-11-01 13:57:37 |
| R135.htm | 17598 | 2023-11-01 13:57:37 |
| R136.htm | 47068 | 2023-11-01 13:57:37 |
| R137.htm | 85891 | 2023-11-01 13:57:37 |
| R138.htm | 11999 | 2023-11-01 13:57:37 |
| R139.htm | 26182 | 2023-11-01 13:57:37 |
| R14.htm | 617341 | 2023-11-01 13:57:37 |
| R140.htm | 19560 | 2023-11-01 13:57:37 |
| R141.htm | 22586 | 2023-11-01 13:57:37 |
| R142.htm | 18187 | 2023-11-01 13:57:37 |
| R143.htm | 60679 | 2023-11-01 13:57:37 |
| R144.htm | 15397 | 2023-11-01 13:57:37 |
| R145.htm | 8482 | 2023-11-01 13:57:37 |
| R15.htm | 700203 | 2023-11-01 13:57:37 |
| R16.htm | 220424 | 2023-11-01 13:57:37 |
| R17.htm | 139718 | 2023-11-01 13:57:37 |
| R18.htm | 102638 | 2023-11-01 13:57:37 |
| R19.htm | 48149 | 2023-11-01 13:57:37 |
| R2.htm | 144932 | 2023-11-01 13:57:37 |
| R20.htm | 81843 | 2023-11-01 13:57:37 |
| R21.htm | 10874 | 2023-11-01 13:57:37 |
| R22.htm | 599686 | 2023-11-01 13:57:37 |
| R23.htm | 2097851 | 2023-11-01 13:57:37 |
| R24.htm | 303155 | 2023-11-01 13:57:37 |
| R25.htm | 375704 | 2023-11-01 13:57:37 |
| R26.htm | 24044 | 2023-11-01 13:57:37 |
| R27.htm | 66773 | 2023-11-01 13:57:37 |
| R28.htm | 733988 | 2023-11-01 13:57:37 |
| R29.htm | 769699 | 2023-11-01 13:57:37 |
| R3.htm | 45524 | 2023-11-01 13:57:37 |
| R30.htm | 112966 | 2023-11-01 13:57:37 |
| R31.htm | 1729586 | 2023-11-01 13:57:37 |
| R32.htm | 738282 | 2023-11-01 13:57:37 |
| R33.htm | 179332 | 2023-11-01 13:57:37 |
| R34.htm | 204988 | 2023-11-01 13:57:37 |
| R35.htm | 625289 | 2023-11-01 13:57:37 |
| R36.htm | 874517 | 2023-11-01 13:57:37 |
| R37.htm | 267212 | 2023-11-01 13:57:37 |
| R38.htm | 132287 | 2023-11-01 13:57:37 |
| R39.htm | 104575 | 2023-11-01 13:57:37 |
| R4.htm | 90888 | 2023-11-01 13:57:37 |
| R40.htm | 43863 | 2023-11-01 13:57:37 |
| R41.htm | 77024 | 2023-11-01 13:57:37 |
| R42.htm | 601386 | 2023-11-01 13:57:37 |
| R43.htm | 2075019 | 2023-11-01 13:57:37 |
| R44.htm | 281920 | 2023-11-01 13:57:37 |
| R45.htm | 374622 | 2023-11-01 13:57:37 |
| R46.htm | 16260 | 2023-11-01 13:57:37 |
| R47.htm | 65472 | 2023-11-01 13:57:37 |
| R48.htm | 97154 | 2023-11-01 13:57:37 |
| R49.htm | 75330 | 2023-11-01 13:57:37 |
| R5.htm | 48093 | 2023-11-01 13:57:37 |
| R50.htm | 89444 | 2023-11-01 13:57:37 |
| R51.htm | 49141 | 2023-11-01 13:57:37 |
| R52.htm | 44685 | 2023-11-01 13:57:37 |
| R53.htm | 14286 | 2023-11-01 13:57:37 |
| R54.htm | 105785 | 2023-11-01 13:57:37 |
| R55.htm | 48759 | 2023-11-01 13:57:37 |
| R56.htm | 106628 | 2023-11-01 13:57:37 |
| R57.htm | 27512 | 2023-11-01 13:57:37 |
| R58.htm | 51034 | 2023-11-01 13:57:37 |
| R59.htm | 53514 | 2023-11-01 13:57:37 |
| R6.htm | 73657 | 2023-11-01 13:57:37 |
| R60.htm | 19970 | 2023-11-01 13:57:37 |
| R61.htm | 46964 | 2023-11-01 13:57:37 |
| R62.htm | 47442 | 2023-11-01 13:57:37 |
| R63.htm | 52538 | 2023-11-01 13:57:37 |
| R64.htm | 37775 | 2023-11-01 13:57:37 |
| R65.htm | 41911 | 2023-11-01 13:57:37 |
| R66.htm | 32289 | 2023-11-01 13:57:37 |
| R67.htm | 86681 | 2023-11-01 13:57:37 |
| R68.htm | 15752 | 2023-11-01 13:57:37 |
| R69.htm | 99529 | 2023-11-01 13:57:37 |
| R7.htm | 70841 | 2023-11-01 13:57:37 |
| R70.htm | 73147 | 2023-11-01 13:57:37 |
| R71.htm | 48263 | 2023-11-01 13:57:37 |
| R72.htm | 64407 | 2023-11-01 13:57:37 |
| R73.htm | 10527 | 2023-11-01 13:57:37 |
| R74.htm | 14507 | 2023-11-01 13:57:37 |
| R75.htm | 15684 | 2023-11-01 13:57:37 |
| R76.htm | 11166 | 2023-11-01 13:57:37 |
| R77.htm | 45727 | 2023-11-01 13:57:37 |
| R78.htm | 32598 | 2023-11-01 13:57:37 |
| R79.htm | 24010 | 2023-11-01 13:57:37 |
| R8.htm | 747154 | 2023-11-01 13:57:37 |
| R80.htm | 38269 | 2023-11-01 13:57:37 |
| R81.htm | 20657 | 2023-11-01 13:57:37 |
| R82.htm | 61938 | 2023-11-01 13:57:37 |
| R83.htm | 17789 | 2023-11-01 13:57:37 |
| R84.htm | 9016 | 2023-11-01 13:57:37 |
| R85.htm | 38363 | 2023-11-01 13:57:37 |
| R86.htm | 31804 | 2023-11-01 13:57:37 |
| R87.htm | 30407 | 2023-11-01 13:57:37 |
| R88.htm | 12458 | 2023-11-01 13:57:37 |
| R89.htm | 17714 | 2023-11-01 13:57:37 |
| R9.htm | 124577 | 2023-11-01 13:57:37 |
| R90.htm | 4517 | 2023-11-01 13:57:37 |
| R91.htm | 34182 | 2023-11-01 13:57:37 |
| R92.htm | 28392 | 2023-11-01 13:57:37 |
| R93.htm | 30196 | 2023-11-01 13:57:37 |
| R94.htm | 33009 | 2023-11-01 13:57:37 |
| R95.htm | 22665 | 2023-11-01 13:57:37 |
| R96.htm | 29456 | 2023-11-01 13:57:37 |
| R97.htm | 51623 | 2023-11-01 13:57:37 |
| R98.htm | 191227 | 2023-11-01 13:57:37 |
| R99.htm | 46485 | 2023-11-01 13:57:37 |
| report.css | 2768 | 2023-11-01 13:57:37 |
| Show.js | 1086 | 2023-11-01 13:57:37 |