Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0001193125-18-102400-index-headers.html | 2018-03-29 18:46:09 | |
| 0001193125-18-102400-index.html | 2018-03-29 18:46:09 | |
| 0001193125-18-102400.txt | 2018-03-29 18:46:09 | |
 0001193125-18-102400-xbrl.zip | 24542 | 2018-03-29 18:46:09 |
| d553722d497.htm | 4834 | 2018-03-29 18:46:09 |
| FilingSummary.xml | 3355 | 2018-03-29 18:46:09 |
| Financial_Report.xlsx | 9425 | 2018-03-29 18:46:09 |
 g553722g29n50.jpg | 6840 | 2018-03-29 18:46:09 |
| ist1-20180316.xml | 51250 | 2018-03-29 18:46:09 |
| ist1-20180316.xsd | 4749 | 2018-03-29 18:46:09 |
| ist1-20180316_def.xml | 85445 | 2018-03-29 18:46:09 |
| ist1-20180316_lab.xml | 125988 | 2018-03-29 18:46:09 |
| ist1-20180316_pre.xml | 75598 | 2018-03-29 18:46:09 |
| R1.htm | 16181 | 2018-03-29 18:46:09 |
| R2.htm | 23463 | 2018-03-29 18:46:09 |
| R3.htm | 56016 | 2018-03-29 18:46:09 |
| R4.htm | 7474 | 2018-03-29 18:46:09 |
| report.css | 2767 | 2018-03-29 18:46:09 |
| Show.js | 1410 | 2018-03-29 18:46:09 |