Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0001193125-21-324548-index-headers.html | 2021-11-09 16:36:33 | |
| 0001193125-21-324548-index.html | 2021-11-09 16:36:33 | |
| 0001193125-21-324548.txt | 2021-11-09 16:36:33 | |
 0001193125-21-324548-xbrl.zip | 24495 | 2021-11-09 16:36:33 |
| d607882d8k.htm | 25514 | 2021-11-09 16:36:33 |
| d607882d8k_htm.xml | 3372 | 2021-11-09 16:36:33 |
| d607882dex991.htm | 175559 | 2021-11-09 16:36:33 |
| FilingSummary.xml | 1724 | 2021-11-09 16:36:33 |
| Financial_Report.xlsx | 5718 | 2021-11-09 16:36:33 |
 g607882g1108034038150.jpg | 4754 | 2021-11-09 16:36:33 |
| meg-20211109.xsd | 2889 | 2021-11-09 16:36:33 |
| meg-20211109_lab.xml | 18123 | 2021-11-09 16:36:33 |
| meg-20211109_pre.xml | 11404 | 2021-11-09 16:36:33 |
| MetaLinks.json | 18788 | 2021-11-09 16:36:33 |
| R1.htm | 40419 | 2021-11-09 16:36:33 |
| report.css | 2767 | 2021-11-09 16:36:33 |
| Show.js | 1085 | 2021-11-09 16:36:33 |