Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0001193125-21-273619-index-headers.html | 2021-09-15 10:53:06 | |
| 0001193125-21-273619-index.html | 2021-09-15 10:53:06 | |
| 0001193125-21-273619.txt | 2021-09-15 10:53:06 | |
 0001193125-21-273619-xbrl.zip | 29201 | 2021-09-15 10:53:06 |
| d225177d8k.htm | 34643 | 2021-09-15 10:53:06 |
| d225177d8k_htm.xml | 8812 | 2021-09-15 10:53:06 |
| d225177dex42.htm | 87575 | 2021-09-15 10:53:06 |
| d225177dex51.htm | 9352 | 2021-09-15 10:53:06 |
| FilingSummary.xml | 1864 | 2021-09-15 10:53:06 |
| Financial_Report.xlsx | 5981 | 2021-09-15 10:53:06 |
 g225177g0914065424648.jpg | 3915 | 2021-09-15 10:53:06 |
| MetaLinks.json | 23784 | 2021-09-15 10:53:06 |
| R1.htm | 50143 | 2021-09-15 10:53:06 |
| report.css | 2767 | 2021-09-15 10:53:06 |
| Show.js | 1085 | 2021-09-15 10:53:06 |
| wrb-20210915.xsd | 4895 | 2021-09-15 10:53:06 |
| wrb-20210915_def.xml | 14632 | 2021-09-15 10:53:06 |
| wrb-20210915_lab.xml | 24703 | 2021-09-15 10:53:06 |
| wrb-20210915_pre.xml | 15730 | 2021-09-15 10:53:06 |