Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0001193125-21-042067-index-headers.html | 2021-02-12 19:16:11 | |
| 0001193125-21-042067-index.html | 2021-02-12 19:16:11 | |
| 0001193125-21-042067.txt | 2021-02-12 19:16:11 | |
 0001193125-21-042067-xbrl.zip | 97903 | 2021-02-12 19:16:11 |
 BarChart1.png | 12015 | 2021-02-12 19:16:11 |
 BarChart2.png | 11460 | 2021-02-12 19:16:11 |
 BarChart3.png | 12378 | 2021-02-12 19:16:11 |
| d67794d497.htm | 5608 | 2021-02-12 19:16:11 |
| FilingSummary.xml | 6184 | 2021-02-12 19:16:11 |
 g67794g49l08.jpg | 10817 | 2021-02-12 19:16:11 |
| isi-20210201.xml | 165788 | 2021-02-12 19:16:11 |
| isi-20210201.xsd | 18517 | 2021-02-12 19:16:11 |
| isi-20210201_cal.xml | 4750 | 2021-02-12 19:16:11 |
| isi-20210201_def.xml | 633084 | 2021-02-12 19:16:11 |
| isi-20210201_lab.xml | 155309 | 2021-02-12 19:16:11 |
| isi-20210201_pre.xml | 493983 | 2021-02-12 19:16:11 |
| R1.htm | 18246 | 2021-02-12 19:16:11 |
| R13.htm | 182105 | 2021-02-12 19:16:11 |
| R14.htm | 100304 | 2021-02-12 19:16:11 |
| R19.htm | 180184 | 2021-02-12 19:16:11 |
| R2.htm | 97053 | 2021-02-12 19:16:11 |
| R20.htm | 3937 | 2021-02-12 19:16:11 |
| R7.htm | 174264 | 2021-02-12 19:16:11 |
| R8.htm | 98705 | 2021-02-12 19:16:11 |
| report.css | 2767 | 2021-02-12 19:16:11 |
| Show.js | 1085 | 2021-02-12 19:16:11 |