Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0001157523-21-000464-index-headers.html | 2021-04-15 16:13:50 | |
| 0001157523-21-000464-index.html | 2021-04-15 16:13:50 | |
| 0001157523-21-000464.txt | 2021-04-15 16:13:50 | |
 0001157523-21-000464-xbrl.zip | 41249 | 2021-04-15 16:13:50 |
| a52410362.htm | 31838 | 2021-04-15 16:13:50 |
| a52410362ex99_1.htm | 818706 | 2021-04-15 16:13:50 |
| a52410362_htm.xml | 4428 | 2021-04-15 16:13:50 |
| aa-20210415.xsd | 4180 | 2021-04-15 16:13:50 |
| aa-20210415_lab.xml | 23692 | 2021-04-15 16:13:50 |
| aa-20210415_pre.xml | 16822 | 2021-04-15 16:13:50 |
| FilingSummary.xml | 1686 | 2021-04-15 16:13:50 |
| Financial_Report.xlsx | 5740 | 2021-04-15 16:13:50 |
| MetaLinks.json | 21181 | 2021-04-15 16:13:50 |
| R1.htm | 41790 | 2021-04-15 16:13:50 |
| report.css | 2767 | 2021-04-15 16:13:50 |
| Show.js | 1084 | 2021-04-15 16:13:50 |