Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0000011544-21-000009-index-headers.html | 2021-01-26 16:13:48 | |
| 0000011544-21-000009-index.html | 2021-01-26 16:13:48 | |
| 0000011544-21-000009.txt | 2021-01-26 16:13:48 | |
 0000011544-21-000009-xbrl.zip | 33227 | 2021-01-26 16:13:48 |
| FilingSummary.xml | 1793 | 2021-01-26 16:13:48 |
| Financial_Report.xlsx | 5758 | 2021-01-26 16:13:48 |
| MetaLinks.json | 23670 | 2021-01-26 16:13:48 |
| R1.htm | 51021 | 2021-01-26 16:13:48 |
| report.css | 2767 | 2021-01-26 16:13:48 |
| Show.js | 1085 | 2021-01-26 16:13:48 |
| wrb-20210126.htm | 53745 | 2021-01-26 16:13:48 |
| wrb-20210126.xsd | 4209 | 2021-01-26 16:13:48 |
| wrb-20210126_cal.xml | 723 | 2021-01-26 16:13:48 |
| wrb-20210126_def.xml | 17676 | 2021-01-26 16:13:48 |
| wrb-20210126_htm.xml | 20855 | 2021-01-26 16:13:48 |
| wrb-20210126_lab.xml | 37127 | 2021-01-26 16:13:48 |
| wrb-20210126_pre.xml | 18524 | 2021-01-26 16:13:48 |
| wrb123120208-kex991.htm | 306260 | 2021-01-26 16:13:48 |