Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0001193125-21-156839-index-headers.html | 2021-05-11 06:07:57 | |
| 0001193125-21-156839-index.html | 2021-05-11 06:07:57 | |
| 0001193125-21-156839.txt | 2021-05-11 06:07:57 | |
 0001193125-21-156839-xbrl.zip | 220402 | 2021-05-11 06:07:57 |
| ater-20210505.xsd | 3093 | 2021-05-11 06:07:57 |
| ater-20210505_lab.xml | 19656 | 2021-05-11 06:07:57 |
| ater-20210505_pre.xml | 12330 | 2021-05-11 06:07:57 |
| d404633d8k.htm | 64026 | 2021-05-11 06:07:57 |
| d404633d8k_htm.xml | 3584 | 2021-05-11 06:07:57 |
| d404633dex101.htm | 44292 | 2021-05-11 06:07:57 |
| d404633dex102.htm | 36912 | 2021-05-11 06:07:57 |
| d404633dex103.htm | 36186 | 2021-05-11 06:07:57 |
| d404633dex104.htm | 36107 | 2021-05-11 06:07:57 |
| d404633dex105.htm | 67640 | 2021-05-11 06:07:57 |
| d404633dex106.htm | 59264 | 2021-05-11 06:07:57 |
| d404633dex107.htm | 59221 | 2021-05-11 06:07:57 |
| d404633dex21.htm | 409909 | 2021-05-11 06:07:57 |
| d404633dex22.htm | 266777 | 2021-05-11 06:07:57 |
| FilingSummary.xml | 2013 | 2021-05-11 06:07:57 |
| Financial_Report.xlsx | 5734 | 2021-05-11 06:07:57 |
| MetaLinks.json | 20499 | 2021-05-11 06:07:57 |
| R1.htm | 43465 | 2021-05-11 06:07:57 |
| report.css | 2767 | 2021-05-11 06:07:57 |
| Show.js | 1085 | 2021-05-11 06:07:57 |