Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0001193125-20-140282-index-headers.html | 2020-05-12 14:52:52 | |
| 0001193125-20-140282-index.html | 2020-05-12 14:52:52 | |
| 0001193125-20-140282.txt | 2020-05-12 14:52:52 | |
 0001193125-20-140282-xbrl.zip | 101556 | 2020-05-12 14:52:52 |
| d867995d8k.htm | 41022 | 2020-05-12 14:52:52 |
| d867995d8k_htm.xml | 9966 | 2020-05-12 14:52:52 |
| d867995dex41.htm | 481665 | 2020-05-12 14:52:52 |
| d867995dex42.htm | 83791 | 2020-05-12 14:52:52 |
| d867995dex51.htm | 8506 | 2020-05-12 14:52:52 |
| FilingSummary.xml | 1898 | 2020-05-12 14:52:52 |
| Financial_Report.xlsx | 6140 | 2020-05-12 14:52:52 |
 g867995g0512041931901.jpg | 3909 | 2020-05-12 14:52:52 |
| MetaLinks.json | 24379 | 2020-05-12 14:52:52 |
| R1.htm | 52620 | 2020-05-12 14:52:52 |
| report.css | 2767 | 2020-05-12 14:52:52 |
| Show.js | 1085 | 2020-05-12 14:52:52 |
| wrb-20200512.xsd | 5308 | 2020-05-12 14:52:52 |
| wrb-20200512_def.xml | 15038 | 2020-05-12 14:52:52 |
| wrb-20200512_lab.xml | 25551 | 2020-05-12 14:52:52 |
| wrb-20200512_pre.xml | 16201 | 2020-05-12 14:52:52 |