Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0001193125-21-268684-index-headers.html | 2021-09-09 14:11:58 | |
| 0001193125-21-268684-index.html | 2021-09-09 14:11:58 | |
| 0001193125-21-268684.txt | 2021-09-09 14:11:58 | |
 0001193125-21-268684-xbrl.zip | 34058 | 2021-09-09 14:11:58 |
| d191848d8k.htm | 31999 | 2021-09-09 14:11:58 |
| d191848d8k_htm.xml | 8812 | 2021-09-09 14:11:58 |
| d191848dex11.htm | 126963 | 2021-09-09 14:11:58 |
| FilingSummary.xml | 1830 | 2021-09-09 14:11:58 |
| Financial_Report.xlsx | 5981 | 2021-09-09 14:11:58 |
 g191848snap00029.jpg | 2626 | 2021-09-09 14:11:58 |
| MetaLinks.json | 23784 | 2021-09-09 14:11:58 |
| R1.htm | 50143 | 2021-09-09 14:11:58 |
| report.css | 2767 | 2021-09-09 14:11:58 |
| Show.js | 1085 | 2021-09-09 14:11:58 |
| wrb-20210908.xsd | 4894 | 2021-09-09 14:11:58 |
| wrb-20210908_def.xml | 14631 | 2021-09-09 14:11:58 |
| wrb-20210908_lab.xml | 24702 | 2021-09-09 14:11:58 |
| wrb-20210908_pre.xml | 15729 | 2021-09-09 14:11:58 |