Parent Directory| Name | Size | Last Modified |
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 0001053507-20-000123-index-headers.html | 2020-07-24 09:06:25 | |
| 0001053507-20-000123-index.html | 2020-07-24 09:06:25 | |
| 0001053507-20-000123.txt | 2020-07-24 09:06:25 | |
 0001053507-20-000123-xbrl.zip | 18330 | 2020-07-24 09:06:25 |
| a2020sustainability.htm | 5641 | 2020-07-24 09:06:25 |
| amt-20200724.htm | 54341 | 2020-07-24 09:06:25 |
| amt-20200724.xsd | 3485 | 2020-07-24 09:06:25 |
| amt-20200724_cal.xml | 734 | 2020-07-24 09:06:25 |
| amt-20200724_def.xml | 18090 | 2020-07-24 09:06:25 |
| amt-20200724_htm.xml | 15571 | 2020-07-24 09:06:25 |
| amt-20200724_lab.xml | 35298 | 2020-07-24 09:06:25 |
| amt-20200724_pre.xml | 18456 | 2020-07-24 09:06:25 |
| FilingSummary.xml | 1869 | 2020-07-24 09:06:25 |
| Financial_Report.xlsx | 5643 | 2020-07-24 09:06:25 |
 image01.jpg | 14867 | 2020-07-24 09:06:25 |
| MetaLinks.json | 23645 | 2020-07-24 09:06:25 |
| R1.htm | 46238 | 2020-07-24 09:06:25 |
| report.css | 2767 | 2020-07-24 09:06:25 |
| Show.js | 1085 | 2020-07-24 09:06:25 |