Parent Directory| Name | Size | Last Modified |
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 0001193125-21-145704-index-headers.html | 2021-04-30 17:22:05 | |
| 0001193125-21-145704-index.html | 2021-04-30 17:22:05 | |
| 0001193125-21-145704.txt | 2021-04-30 17:22:05 | |
 0001193125-21-145704-xbrl.zip | 140987 | 2021-04-30 17:22:05 |
| d171082d8k.htm | 46955 | 2021-04-30 17:22:05 |
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| d171082dex21.htm | 771624 | 2021-04-30 17:22:05 |
| FilingSummary.xml | 1837 | 2021-04-30 17:22:05 |
| Financial_Report.xlsx | 6026 | 2021-04-30 17:22:05 |
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| R1.htm | 47518 | 2021-04-30 17:22:05 |
| report.css | 2767 | 2021-04-30 17:22:05 |
| Show.js | 1085 | 2021-04-30 17:22:05 |
| wpf-20210429.xsd | 4813 | 2021-04-30 17:22:05 |
| wpf-20210429_def.xml | 14528 | 2021-04-30 17:22:05 |
| wpf-20210429_lab.xml | 24561 | 2021-04-30 17:22:05 |
| wpf-20210429_pre.xml | 15561 | 2021-04-30 17:22:05 |