Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0000011544-20-000083-index-headers.html | 2020-07-21 16:14:38 | |
| 0000011544-20-000083-index.html | 2020-07-21 16:14:38 | |
| 0000011544-20-000083.txt | 2020-07-21 16:14:38 | |
 0000011544-20-000083-xbrl.zip | 35923 | 2020-07-21 16:14:38 |
| FilingSummary.xml | 1792 | 2020-07-21 16:14:38 |
| Financial_Report.xlsx | 5762 | 2020-07-21 16:14:38 |
| MetaLinks.json | 23092 | 2020-07-21 16:14:38 |
| R1.htm | 51029 | 2020-07-21 16:14:38 |
| report.css | 2767 | 2020-07-21 16:14:38 |
| Show.js | 1085 | 2020-07-21 16:14:38 |
| wrb-20200721.htm | 64672 | 2020-07-21 16:14:38 |
| wrb-20200721.xsd | 3979 | 2020-07-21 16:14:38 |
| wrb-20200721_cal.xml | 723 | 2020-07-21 16:14:38 |
| wrb-20200721_def.xml | 17171 | 2020-07-21 16:14:38 |
| wrb-20200721_htm.xml | 20842 | 2020-07-21 16:14:38 |
| wrb-20200721_lab.xml | 35663 | 2020-07-21 16:14:38 |
| wrb-20200721_pre.xml | 17959 | 2020-07-21 16:14:38 |
| wrb63020208-kex991.htm | 487215 | 2020-07-21 16:14:38 |