Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0001053507-20-000098-index-headers.html | 2020-05-11 16:36:46 | |
| 0001053507-20-000098-index.html | 2020-05-11 16:36:46 | |
| 0001053507-20-000098.txt | 2020-05-11 16:36:46 | |
 0001053507-20-000098-xbrl.zip | 18236 | 2020-05-11 16:36:46 |
| amt-20200511.htm | 55733 | 2020-05-11 16:36:46 |
| amt-20200511.xsd | 3485 | 2020-05-11 16:36:46 |
| amt-20200511_cal.xml | 734 | 2020-05-11 16:36:46 |
| amt-20200511_def.xml | 18090 | 2020-05-11 16:36:46 |
| amt-20200511_htm.xml | 15571 | 2020-05-11 16:36:46 |
| amt-20200511_lab.xml | 35298 | 2020-05-11 16:36:46 |
| amt-20200511_pre.xml | 18456 | 2020-05-11 16:36:46 |
| exhibit9912800notesred.htm | 5318 | 2020-05-11 16:36:46 |
| FilingSummary.xml | 1872 | 2020-05-11 16:36:46 |
| Financial_Report.xlsx | 5975 | 2020-05-11 16:36:46 |
 image01.jpg | 14867 | 2020-05-11 16:36:46 |
| MetaLinks.json | 23645 | 2020-05-11 16:36:46 |
| R1.htm | 46231 | 2020-05-11 16:36:46 |
| report.css | 2767 | 2020-05-11 16:36:46 |
| Show.js | 1085 | 2020-05-11 16:36:46 |