Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0001157523-21-000368-index-headers.html | 2021-03-18 18:37:57 | |
| 0001157523-21-000368-index.html | 2021-03-18 18:37:57 | |
| 0001157523-21-000368.txt | 2021-03-18 18:37:57 | |
 0001157523-21-000368-xbrl.zip | 13931 | 2021-03-18 18:37:57 |
| a52398231.htm | 30816 | 2021-03-18 18:37:57 |
| a52398231ex99_1.htm | 8795 | 2021-03-18 18:37:57 |
| a52398231_htm.xml | 4428 | 2021-03-18 18:37:57 |
| aa-20210318.xsd | 4180 | 2021-03-18 18:37:57 |
| aa-20210318_lab.xml | 23692 | 2021-03-18 18:37:57 |
| aa-20210318_pre.xml | 16822 | 2021-03-18 18:37:57 |
| FilingSummary.xml | 1686 | 2021-03-18 18:37:57 |
| Financial_Report.xlsx | 5521 | 2021-03-18 18:37:57 |
| MetaLinks.json | 21181 | 2021-03-18 18:37:57 |
| R1.htm | 41790 | 2021-03-18 18:37:57 |
| report.css | 2767 | 2021-03-18 18:37:57 |
| Show.js | 1084 | 2021-03-18 18:37:57 |