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| 0001166928-12-000013.txt | 2012-03-07 08:56:19 | |
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| R8.htm | 229098 | 2012-03-07 08:56:19 |
| R9.htm | 45569 | 2012-03-07 08:56:19 |
| report.css | 2721 | 2012-03-07 08:56:19 |
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| wtba-20111231.xml | 2625063 | 2012-03-07 08:56:19 |
| wtba-20111231.xsd | 27448 | 2012-03-07 08:56:19 |
| wtba-20111231x10k.htm | 4553705 | 2012-03-07 08:56:19 |
| wtba-20111231x10kex12.htm | 140104 | 2012-03-07 08:56:19 |
| wtba-20111231x10kex21.htm | 7448 | 2012-03-07 08:56:19 |
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| wtba-20111231x10kex311.htm | 14500 | 2012-03-07 08:56:19 |
| wtba-20111231x10kex312.htm | 14543 | 2012-03-07 08:56:19 |
| wtba-20111231x10kex321.htm | 5883 | 2012-03-07 08:56:19 |
| wtba-20111231x10kex322.htm | 6054 | 2012-03-07 08:56:19 |
| wtba-20111231_cal.xml | 91380 | 2012-03-07 08:56:19 |
| wtba-20111231_def.xml | 148747 | 2012-03-07 08:56:19 |
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