Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0001193125-20-053256-index-headers.html | 2020-02-27 18:30:07 | |
| 0001193125-20-053256-index.html | 2020-02-27 18:30:07 | |
| 0001193125-20-053256.txt | 2020-02-27 18:30:07 | |
 0001193125-20-053256-xbrl.zip | 24843 | 2020-02-27 18:30:07 |
| d874379d497.htm | 5567 | 2020-02-27 18:30:07 |
| FilingSummary.xml | 3351 | 2020-02-27 18:30:07 |
| Financial_Report.xlsx | 9143 | 2020-02-27 18:30:07 |
 g874379sp1.jpg | 4922 | 2020-02-27 18:30:07 |
| ist-20200212.xml | 27915 | 2020-02-27 18:30:07 |
| ist-20200212.xsd | 4546 | 2020-02-27 18:30:07 |
| ist-20200212_def.xml | 91754 | 2020-02-27 18:30:07 |
| ist-20200212_lab.xml | 132972 | 2020-02-27 18:30:07 |
| ist-20200212_pre.xml | 80077 | 2020-02-27 18:30:07 |
| R1.htm | 18244 | 2020-02-27 18:30:07 |
| R2.htm | 13128 | 2020-02-27 18:30:07 |
| R3.htm | 35140 | 2020-02-27 18:30:07 |
| R4.htm | 7479 | 2020-02-27 18:30:07 |
| report.css | 2767 | 2020-02-27 18:30:07 |
| Show.js | 1085 | 2020-02-27 18:30:07 |