Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0001193125-20-328953-index-headers.html | 2020-12-29 21:15:02 | |
| 0001193125-20-328953-index.html | 2020-12-29 21:15:02 | |
| 0001193125-20-328953.txt | 2020-12-29 21:15:02 | |
 0001193125-20-328953-xbrl.zip | 25338 | 2020-12-29 21:15:02 |
| d19135d497.htm | 5531 | 2020-12-29 21:15:02 |
| FilingSummary.xml | 3522 | 2020-12-29 21:15:02 |
| Financial_Report.xlsx | 9787 | 2020-12-29 21:15:02 |
 g191351.jpg | 10873 | 2020-12-29 21:15:02 |
| ist1-20201215.xml | 33326 | 2020-12-29 21:15:02 |
| ist1-20201215.xsd | 3982 | 2020-12-29 21:15:02 |
| ist1-20201215_def.xml | 91356 | 2020-12-29 21:15:02 |
| ist1-20201215_lab.xml | 128061 | 2020-12-29 21:15:02 |
| ist1-20201215_pre.xml | 77897 | 2020-12-29 21:15:02 |
| R1.htm | 18245 | 2020-12-29 21:15:02 |
| R2.htm | 15950 | 2020-12-29 21:15:02 |
| R3.htm | 35070 | 2020-12-29 21:15:02 |
| R4.htm | 3937 | 2020-12-29 21:15:02 |
| report.css | 2767 | 2020-12-29 21:15:02 |
| Show.js | 1085 | 2020-12-29 21:15:02 |