Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0001166928-21-000042-index-headers.html | 2021-04-30 12:12:34 | |
| 0001166928-21-000042-index.html | 2021-04-30 12:12:34 | |
| 0001166928-21-000042.txt | 2021-04-30 12:12:34 | |
 0001166928-21-000042-xbrl.zip | 44058 | 2021-04-30 12:12:34 |
| FilingSummary.xml | 1724 | 2021-04-30 12:12:34 |
| Financial_Report.xlsx | 5652 | 2021-04-30 12:12:34 |
| MetaLinks.json | 17261 | 2021-04-30 12:12:34 |
| R1.htm | 38598 | 2021-04-30 12:12:34 |
| report.css | 2767 | 2021-04-30 12:12:34 |
| Show.js | 1085 | 2021-04-30 12:12:34 |
| wtba-20210429.htm | 72037 | 2021-04-30 12:12:34 |
| wtba-20210429.xsd | 2429 | 2021-04-30 12:12:34 |
| wtba-20210429_cal.xml | 714 | 2021-04-30 12:12:34 |
| wtba-20210429_def.xml | 1647 | 2021-04-30 12:12:34 |
| wtba-20210429_htm.xml | 10719 | 2021-04-30 12:12:34 |
| wtba-20210429_lab.xml | 23970 | 2021-04-30 12:12:34 |
| wtba-20210429_pre.xml | 12650 | 2021-04-30 12:12:34 |
| wtba-20210430exhibit102.htm | 203887 | 2021-04-30 12:12:34 |