Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0001193125-20-286365-index-headers.html | 2020-11-05 09:14:01 | |
| 0001193125-20-286365-index.html | 2020-11-05 09:14:01 | |
| 0001193125-20-286365.txt | 2020-11-05 09:14:01 | |
 0001193125-20-286365-xbrl.zip | 19525 | 2020-11-05 09:14:01 |
| altm-20201104.xsd | 3093 | 2020-11-05 09:14:01 |
| altm-20201104_lab.xml | 19656 | 2020-11-05 09:14:01 |
| altm-20201104_pre.xml | 12330 | 2020-11-05 09:14:01 |
| d93377d8k.htm | 25010 | 2020-11-05 09:14:01 |
| d93377d8k_htm.xml | 3666 | 2020-11-05 09:14:01 |
| d93377dex991.htm | 134999 | 2020-11-05 09:14:01 |
| FilingSummary.xml | 1731 | 2020-11-05 09:14:01 |
| Financial_Report.xlsx | 5537 | 2020-11-05 09:14:01 |
 g93377img01.jpg | 9073 | 2020-11-05 09:14:01 |
| MetaLinks.json | 20465 | 2020-11-05 09:14:01 |
| R1.htm | 43499 | 2020-11-05 09:14:01 |
| report.css | 2767 | 2020-11-05 09:14:01 |
| Show.js | 1085 | 2020-11-05 09:14:01 |