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|---|---|---|
 0001193125-19-267453-index-headers.html | 2019-10-15 11:34:24 | |
| 0001193125-19-267453-index.html | 2019-10-15 11:34:24 | |
| 0001193125-19-267453.txt | 2019-10-15 11:34:24 | |
 0001193125-19-267453-xbrl.zip | 67178 | 2019-10-15 11:34:24 |
| d802451d485bpos.htm | 25523 | 2019-10-15 11:34:24 |
| FilingSummary.xml | 4682 | 2019-10-15 11:34:24 |
| R1.htm | 18251 | 2019-10-15 11:34:24 |
| R11.htm | 124319 | 2019-10-15 11:34:24 |
| R12.htm | 7482 | 2019-10-15 11:34:24 |
| R2.htm | 92238 | 2019-10-15 11:34:24 |
| R6.htm | 126621 | 2019-10-15 11:34:24 |
| R7.htm | 89943 | 2019-10-15 11:34:24 |
| report.css | 2767 | 2019-10-15 11:34:24 |
| Show.js | 1085 | 2019-10-15 11:34:24 |
| wft-20190930.xml | 88232 | 2019-10-15 11:34:24 |
| wft-20190930.xsd | 12544 | 2019-10-15 11:34:24 |
| wft-20190930_cal.xml | 4765 | 2019-10-15 11:34:24 |
| wft-20190930_def.xml | 421293 | 2019-10-15 11:34:24 |
| wft-20190930_lab.xml | 147368 | 2019-10-15 11:34:24 |
| wft-20190930_pre.xml | 326772 | 2019-10-15 11:34:24 |