Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0001193125-18-122885-index-headers.html | 2018-04-19 18:00:13 | |
| 0001193125-18-122885-index.html | 2018-04-19 18:00:13 | |
| 0001193125-18-122885.txt | 2018-04-19 18:00:13 | |
 0001193125-18-122885-xbrl.zip | 60206 | 2018-04-19 18:00:13 |
 BarChart1.png | 29869 | 2018-04-19 18:00:13 |
 BarChart2.png | 29989 | 2018-04-19 18:00:13 |
| d550088d497.htm | 5090 | 2018-04-19 18:00:13 |
| FilingSummary.xml | 4764 | 2018-04-19 18:00:13 |
 g550088g87x42.jpg | 15016 | 2018-04-19 18:00:13 |
| ist2-20180405.xml | 87100 | 2018-04-19 18:00:13 |
| ist2-20180405.xsd | 12526 | 2018-04-19 18:00:13 |
| ist2-20180405_cal.xml | 2819 | 2018-04-19 18:00:13 |
| ist2-20180405_def.xml | 421700 | 2018-04-19 18:00:13 |
| ist2-20180405_lab.xml | 142840 | 2018-04-19 18:00:13 |
| ist2-20180405_pre.xml | 295586 | 2018-04-19 18:00:13 |
| R1.htm | 16184 | 2018-04-19 18:00:13 |
| R13.htm | 187444 | 2018-04-19 18:00:13 |
| R14.htm | 7477 | 2018-04-19 18:00:13 |
| R2.htm | 91295 | 2018-04-19 18:00:13 |
| R7.htm | 186968 | 2018-04-19 18:00:13 |
| R8.htm | 91769 | 2018-04-19 18:00:13 |
| report.css | 2767 | 2018-04-19 18:00:13 |
| Show.js | 1410 | 2018-04-19 18:00:13 |