Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0001193125-21-035890-index-headers.html | 2021-02-10 12:52:02 | |
| 0001193125-21-035890-index.html | 2021-02-10 12:52:02 | |
| 0001193125-21-035890.txt | 2021-02-10 12:52:02 | |
 0001193125-21-035890-xbrl.zip | 37306 | 2021-02-10 12:52:02 |
| d17400d8k.htm | 36817 | 2021-02-10 12:52:02 |
| d17400d8k_htm.xml | 9918 | 2021-02-10 12:52:02 |
| d17400dex42.htm | 137036 | 2021-02-10 12:52:02 |
| d17400dex51.htm | 8918 | 2021-02-10 12:52:02 |
| FilingSummary.xml | 1859 | 2021-02-10 12:52:02 |
| Financial_Report.xlsx | 5803 | 2021-02-10 12:52:02 |
 g17400snap0002.jpg | 3693 | 2021-02-10 12:52:02 |
| MetaLinks.json | 24373 | 2021-02-10 12:52:02 |
| R1.htm | 52579 | 2021-02-10 12:52:02 |
| report.css | 2767 | 2021-02-10 12:52:02 |
| Show.js | 1085 | 2021-02-10 12:52:02 |
| wrb-20210210.xsd | 5288 | 2021-02-10 12:52:02 |
| wrb-20210210_def.xml | 15008 | 2021-02-10 12:52:02 |
| wrb-20210210_lab.xml | 25451 | 2021-02-10 12:52:02 |
| wrb-20210210_pre.xml | 16171 | 2021-02-10 12:52:02 |