Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0001166928-21-000067-index-headers.html | 2021-05-27 16:06:42 | |
| 0001166928-21-000067-index.html | 2021-05-27 16:06:42 | |
| 0001166928-21-000067.txt | 2021-05-27 16:06:42 | |
 0001166928-21-000067-xbrl.zip | 67070 | 2021-05-27 16:06:42 |
| FilingSummary.xml | 1737 | 2021-05-27 16:06:42 |
| Financial_Report.xlsx | 5651 | 2021-05-27 16:06:42 |
 imagea.jpg | 38481 | 2021-05-27 16:06:42 |
| MetaLinks.json | 17092 | 2021-05-27 16:06:42 |
| R1.htm | 38597 | 2021-05-27 16:06:42 |
| report.css | 2767 | 2021-05-27 16:06:42 |
| Show.js | 1085 | 2021-05-27 16:06:42 |
| wtba-20210526.htm | 45722 | 2021-05-27 16:06:42 |
| wtba-20210526.xsd | 1920 | 2021-05-27 16:06:42 |
| wtba-20210526_htm.xml | 10519 | 2021-05-27 16:06:42 |
| wtba-20210526_lab.xml | 23970 | 2021-05-27 16:06:42 |
| wtba-20210526_pre.xml | 12650 | 2021-05-27 16:06:42 |
| wtba-20210527exhibit101.htm | 172974 | 2021-05-27 16:06:42 |
| wtba-20210527exhibit102.htm | 208889 | 2021-05-27 16:06:42 |
| wtba-20210527exhibit991.htm | 6549 | 2021-05-27 16:06:42 |