Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0001193125-18-288062-index-headers.html | 2018-09-28 19:15:14 | |
| 0001193125-18-288062-index.html | 2018-09-28 19:15:14 | |
| 0001193125-18-288062.txt | 2018-09-28 19:15:14 | |
 0001193125-18-288062-xbrl.zip | 39205 | 2018-09-28 19:15:14 |
| d603457d485bpos.htm | 33675 | 2018-09-28 19:15:14 |
| FilingSummary.xml | 3538 | 2018-09-28 19:15:14 |
| ist-20180914.xml | 40143 | 2018-09-28 19:15:14 |
| ist-20180914.xsd | 7917 | 2018-09-28 19:15:14 |
| ist-20180914_cal.xml | 4739 | 2018-09-28 19:15:14 |
| ist-20180914_def.xml | 197613 | 2018-09-28 19:15:14 |
| ist-20180914_lab.xml | 131637 | 2018-09-28 19:15:14 |
| ist-20180914_pre.xml | 155566 | 2018-09-28 19:15:14 |
| R1.htm | 16186 | 2018-09-28 19:15:14 |
| R2.htm | 63837 | 2018-09-28 19:15:14 |
| R5.htm | 109306 | 2018-09-28 19:15:14 |
| R6.htm | 7475 | 2018-09-28 19:15:14 |
| report.css | 2767 | 2018-09-28 19:15:14 |
| Show.js | 1410 | 2018-09-28 19:15:14 |