Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0001193125-20-073917-index-headers.html | 2020-03-16 07:53:49 | |
| 0001193125-20-073917-index.html | 2020-03-16 07:53:49 | |
| 0001193125-20-073917.txt | 2020-03-16 07:53:49 | |
 0001193125-20-073917-xbrl.zip | 14770 | 2020-03-16 07:53:49 |
| amt-20200312.xsd | 4658 | 2020-03-16 07:53:49 |
| amt-20200312_def.xml | 13891 | 2020-03-16 07:53:49 |
| amt-20200312_lab.xml | 23184 | 2020-03-16 07:53:49 |
| amt-20200312_pre.xml | 14859 | 2020-03-16 07:53:49 |
| d902415d8k.htm | 36695 | 2020-03-16 07:53:49 |
| d902415d8k_htm.xml | 6581 | 2020-03-16 07:53:49 |
| d902415dex991.htm | 8925 | 2020-03-16 07:53:49 |
| FilingSummary.xml | 1835 | 2020-03-16 07:53:49 |
| Financial_Report.xlsx | 5995 | 2020-03-16 07:53:49 |
 g902415g0316004456804.jpg | 3192 | 2020-03-16 07:53:49 |
| MetaLinks.json | 22915 | 2020-03-16 07:53:49 |
| R1.htm | 45229 | 2020-03-16 07:53:49 |
| report.css | 2767 | 2020-03-16 07:53:49 |
| Show.js | 1085 | 2020-03-16 07:53:49 |