Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0001193125-18-194710-index-headers.html | 2018-06-15 18:04:12 | |
| 0001193125-18-194710-index.html | 2018-06-15 18:04:12 | |
| 0001193125-18-194710.txt | 2018-06-15 18:04:12 | |
 0001193125-18-194710-xbrl.zip | 26731 | 2018-06-15 18:04:12 |
| d588651d497.htm | 4838 | 2018-06-15 18:04:12 |
| FilingSummary.xml | 3355 | 2018-06-15 18:04:12 |
| Financial_Report.xlsx | 9399 | 2018-06-15 18:04:12 |
 g588651g0614081035481.jpg | 4085 | 2018-06-15 18:04:12 |
| ist1-20180601.xml | 86789 | 2018-06-15 18:04:12 |
| ist1-20180601.xsd | 5121 | 2018-06-15 18:04:12 |
| ist1-20180601_def.xml | 86071 | 2018-06-15 18:04:12 |
| ist1-20180601_lab.xml | 128485 | 2018-06-15 18:04:12 |
| ist1-20180601_pre.xml | 76200 | 2018-06-15 18:04:12 |
| R1.htm | 16184 | 2018-06-15 18:04:12 |
| R2.htm | 38450 | 2018-06-15 18:04:12 |
| R3.htm | 87915 | 2018-06-15 18:04:12 |
| R4.htm | 7476 | 2018-06-15 18:04:12 |
| report.css | 2767 | 2018-06-15 18:04:12 |
| Show.js | 1410 | 2018-06-15 18:04:12 |