Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0001590714-21-000025-index-headers.html | 2021-04-02 16:30:45 | |
| 0001590714-21-000025-index.html | 2021-04-02 16:30:45 | |
| 0001590714-21-000025.txt | 2021-04-02 16:30:45 | |
 0001590714-21-000025-xbrl.zip | 247233 | 2021-04-02 16:30:45 |
| esi-20210331.htm | 33639 | 2021-04-02 16:30:45 |
| esi-20210331.xsd | 2711 | 2021-04-02 16:30:45 |
| esi-20210331_cal.xml | 755 | 2021-04-02 16:30:45 |
| esi-20210331_def.xml | 1696 | 2021-04-02 16:30:45 |
 esi-20210331_g1.jpg | 293021 | 2021-04-02 16:30:45 |
| esi-20210331_htm.xml | 11564 | 2021-04-02 16:30:45 |
| esi-20210331_lab.xml | 25595 | 2021-04-02 16:30:45 |
| esi-20210331_pre.xml | 13303 | 2021-04-02 16:30:45 |
| FilingSummary.xml | 1765 | 2021-04-02 16:30:45 |
| Financial_Report.xlsx | 5706 | 2021-04-02 16:30:45 |
| MetaLinks.json | 18423 | 2021-04-02 16:30:45 |
| R1.htm | 40199 | 2021-04-02 16:30:45 |
| report.css | 2767 | 2021-04-02 16:30:45 |
| Show.js | 1085 | 2021-04-02 16:30:45 |