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|---|---|---|
 0001104659-20-086827-index-headers.html | 2020-07-27 16:15:42 | |
| 0001104659-20-086827-index.html | 2020-07-27 16:15:42 | |
| 0001104659-20-086827.txt | 2020-07-27 16:15:42 | |
 0001104659-20-086827-xbrl.zip | 28167 | 2020-07-27 16:15:42 |
| FilingSummary.xml | 1636 | 2020-07-27 16:15:42 |
| Financial_Report.xlsx | 5425 | 2020-07-27 16:15:42 |
| MetaLinks.json | 38698 | 2020-07-27 16:15:42 |
| pfg-20200727.xsd | 3186 | 2020-07-27 16:15:42 |
| pfg-20200727_lab.xml | 34591 | 2020-07-27 16:15:42 |
| pfg-20200727_pre.xml | 22711 | 2020-07-27 16:15:42 |
| R1.htm | 38582 | 2020-07-27 16:15:42 |
| report.css | 2767 | 2020-07-27 16:15:42 |
| Show.js | 1085 | 2020-07-27 16:15:42 |
| tm2025780-1_8k.htm | 26587 | 2020-07-27 16:15:42 |
| tm2025780-1_8k_htm.xml | 3467 | 2020-07-27 16:15:42 |
 tm2025780d1_ex99-1img01.jpg | 7907 | 2020-07-27 16:15:42 |
| tm2025780d1_ex99.htm | 242978 | 2020-07-27 16:15:42 |