Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0001193125-21-363595-index-headers.html | 2021-12-21 16:06:01 | |
| 0001193125-21-363595-index.html | 2021-12-21 16:06:01 | |
| 0001193125-21-363595.txt | 2021-12-21 16:06:01 | |
 0001193125-21-363595-xbrl.zip | 21326 | 2021-12-21 16:06:01 |
| d267442d8k.htm | 39429 | 2021-12-21 16:06:01 |
| d267442d8k_htm.xml | 3255 | 2021-12-21 16:06:01 |
| d267442dex101.htm | 32055 | 2021-12-21 16:06:01 |
| d267442dex102.htm | 28042 | 2021-12-21 16:06:01 |
| FilingSummary.xml | 1760 | 2021-12-21 16:06:01 |
| Financial_Report.xlsx | 5691 | 2021-12-21 16:06:01 |
| meg-20211216.xsd | 2889 | 2021-12-21 16:06:01 |
| meg-20211216_lab.xml | 17374 | 2021-12-21 16:06:01 |
| meg-20211216_pre.xml | 10952 | 2021-12-21 16:06:01 |
| MetaLinks.json | 17958 | 2021-12-21 16:06:01 |
| R1.htm | 38648 | 2021-12-21 16:06:01 |
| report.css | 2767 | 2021-12-21 16:06:01 |
| Show.js | 1085 | 2021-12-21 16:06:01 |