Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0001193125-21-082861-index-headers.html | 2021-03-16 16:24:09 | |
| 0001193125-21-082861-index.html | 2021-03-16 16:24:09 | |
| 0001193125-21-082861.txt | 2021-03-16 16:24:09 | |
 0001193125-21-082861-xbrl.zip | 29305 | 2021-03-16 16:24:09 |
| d130286d8k.htm | 35875 | 2021-03-16 16:24:09 |
| d130286d8k_htm.xml | 10037 | 2021-03-16 16:24:09 |
| d130286dex42.htm | 87175 | 2021-03-16 16:24:09 |
| d130286dex51.htm | 9251 | 2021-03-16 16:24:09 |
| FilingSummary.xml | 1864 | 2021-03-16 16:24:09 |
| Financial_Report.xlsx | 5809 | 2021-03-16 16:24:09 |
 g130286g0316000243533.jpg | 3909 | 2021-03-16 16:24:09 |
| MetaLinks.json | 24415 | 2021-03-16 16:24:09 |
| R1.htm | 52639 | 2021-03-16 16:24:09 |
| report.css | 2767 | 2021-03-16 16:24:09 |
| Show.js | 1085 | 2021-03-16 16:24:09 |
| wrb-20210316.xsd | 5312 | 2021-03-16 16:24:09 |
| wrb-20210316_def.xml | 15044 | 2021-03-16 16:24:09 |
| wrb-20210316_lab.xml | 25567 | 2021-03-16 16:24:09 |
| wrb-20210316_pre.xml | 16207 | 2021-03-16 16:24:09 |