Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0000011544-15-000076-index-headers.html | 2015-11-09 16:20:42 | |
| 0000011544-15-000076-index.html | 2015-11-09 16:20:42 | |
| 0000011544-15-000076.txt | 2015-11-09 16:20:42 | |
 0000011544-15-000076-xbrl.zip | 305046 | 2015-11-09 16:20:42 |
| FilingSummary.xml | 47485 | 2015-11-09 16:20:42 |
| Financial_Report.xlsx | 95076 | 2015-11-09 16:20:42 |
| R1.htm | 20555 | 2015-11-09 16:20:42 |
| R10.htm | 8870 | 2015-11-09 16:20:42 |
| R11.htm | 21859 | 2015-11-09 16:20:42 |
| R12.htm | 228232 | 2015-11-09 16:20:42 |
| R13.htm | 6799 | 2015-11-09 16:20:42 |
| R14.htm | 244115 | 2015-11-09 16:20:42 |
| R15.htm | 47382 | 2015-11-09 16:20:42 |
| R16.htm | 5860 | 2015-11-09 16:20:42 |
| R17.htm | 37842 | 2015-11-09 16:20:42 |
| R18.htm | 30847 | 2015-11-09 16:20:42 |
| R19.htm | 17949 | 2015-11-09 16:20:42 |
| R2.htm | 99873 | 2015-11-09 16:20:42 |
| R20.htm | 46969 | 2015-11-09 16:20:42 |
| R21.htm | 82381 | 2015-11-09 16:20:42 |
| R22.htm | 135036 | 2015-11-09 16:20:42 |
| R23.htm | 357674 | 2015-11-09 16:20:42 |
| R24.htm | 58990 | 2015-11-09 16:20:42 |
| R25.htm | 357706 | 2015-11-09 16:20:42 |
| R26.htm | 14746 | 2015-11-09 16:20:42 |
| R27.htm | 7186 | 2015-11-09 16:20:42 |
| R28.htm | 229944 | 2015-11-09 16:20:42 |
| R29.htm | 16258 | 2015-11-09 16:20:42 |
| R3.htm | 24825 | 2015-11-09 16:20:42 |
| R30.htm | 15053 | 2015-11-09 16:20:42 |
| R31.htm | 224881 | 2015-11-09 16:20:42 |
| R32.htm | 244463 | 2015-11-09 16:20:42 |
| R33.htm | 47079 | 2015-11-09 16:20:42 |
| R34.htm | 39535 | 2015-11-09 16:20:42 |
| R35.htm | 27944 | 2015-11-09 16:20:42 |
| R36.htm | 13397 | 2015-11-09 16:20:42 |
| R37.htm | 42398 | 2015-11-09 16:20:42 |
| R38.htm | 81315 | 2015-11-09 16:20:42 |
| R39.htm | 131276 | 2015-11-09 16:20:42 |
| R4.htm | 64116 | 2015-11-09 16:20:42 |
| R40.htm | 310877 | 2015-11-09 16:20:42 |
| R41.htm | 55176 | 2015-11-09 16:20:42 |
| R42.htm | 44965 | 2015-11-09 16:20:42 |
| R43.htm | 11594 | 2015-11-09 16:20:42 |
| R44.htm | 225965 | 2015-11-09 16:20:42 |
| R45.htm | 5352 | 2015-11-09 16:20:42 |
| R46.htm | 8438 | 2015-11-09 16:20:42 |
| R47.htm | 39461 | 2015-11-09 16:20:42 |
| R48.htm | 11426 | 2015-11-09 16:20:42 |
| R49.htm | 97212 | 2015-11-09 16:20:42 |
| R5.htm | 27227 | 2015-11-09 16:20:42 |
| R50.htm | 6897 | 2015-11-09 16:20:42 |
| R51.htm | 124411 | 2015-11-09 16:20:42 |
| R52.htm | 134169 | 2015-11-09 16:20:42 |
| R53.htm | 17203 | 2015-11-09 16:20:42 |
| R54.htm | 5467 | 2015-11-09 16:20:42 |
| R55.htm | 21863 | 2015-11-09 16:20:42 |
| R56.htm | 26221 | 2015-11-09 16:20:42 |
| R57.htm | 10668 | 2015-11-09 16:20:42 |
| R58.htm | 22544 | 2015-11-09 16:20:42 |
| R59.htm | 27616 | 2015-11-09 16:20:42 |
| R6.htm | 66589 | 2015-11-09 16:20:42 |
| R60.htm | 25126 | 2015-11-09 16:20:42 |
| R61.htm | 20947 | 2015-11-09 16:20:42 |
| R62.htm | 58597 | 2015-11-09 16:20:42 |
| R63.htm | 52483 | 2015-11-09 16:20:42 |
| R64.htm | 25507 | 2015-11-09 16:20:42 |
| R65.htm | 70071 | 2015-11-09 16:20:42 |
| R66.htm | 78029 | 2015-11-09 16:20:42 |
| R67.htm | 32574 | 2015-11-09 16:20:42 |
| R68.htm | 33243 | 2015-11-09 16:20:42 |
| R69.htm | 17081 | 2015-11-09 16:20:42 |
| R7.htm | 105548 | 2015-11-09 16:20:42 |
| R70.htm | 48576 | 2015-11-09 16:20:42 |
| R71.htm | 16105 | 2015-11-09 16:20:42 |
| R72.htm | 41826 | 2015-11-09 16:20:42 |
| R8.htm | 8614 | 2015-11-09 16:20:42 |
| R9.htm | 18371 | 2015-11-09 16:20:42 |
| report.css | 2767 | 2015-11-09 16:20:42 |
| Show.js | 1410 | 2015-11-09 16:20:42 |
| wrb-20150630.xml | 4153379 | 2015-11-09 16:20:42 |
| wrb-20150630.xsd | 63194 | 2015-11-09 16:20:42 |
| wrb-20150630_cal.xml | 117312 | 2015-11-09 16:20:42 |
| wrb-20150630_def.xml | 364701 | 2015-11-09 16:20:42 |
| wrb-20150630_lab.xml | 793358 | 2015-11-09 16:20:42 |
| wrb-20150630_pre.xml | 506323 | 2015-11-09 16:20:42 |
| wrb930201510q.htm | 2150504 | 2015-11-09 16:20:42 |
| wrb9302015ex101.htm | 81415 | 2015-11-09 16:20:42 |
| wrb9302015ex311.htm | 8505 | 2015-11-09 16:20:42 |
| wrb9302015ex312.htm | 8693 | 2015-11-09 16:20:42 |
| wrb9302015ex321.htm | 6787 | 2015-11-09 16:20:42 |