Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0000894245-22-000034-index-headers.html | 2022-03-31 15:31:23 | |
| 0000894245-22-000034-index.html | 2022-03-31 15:31:23 | |
| 0000894245-22-000034.txt | 2022-03-31 15:31:23 | |
 0000894245-22-000034-xbrl.zip | 102187 | 2022-03-31 15:31:23 |
| aei21-20211231.htm | 563729 | 2022-03-31 15:31:23 |
| aei21-20211231.xsd | 28687 | 2022-03-31 15:31:23 |
| aei21-20211231_cal.xml | 29292 | 2022-03-31 15:31:23 |
| aei21-20211231_def.xml | 136151 | 2022-03-31 15:31:23 |
| aei21-20211231_htm.xml | 293629 | 2022-03-31 15:31:23 |
| aei21-20211231_lab.xml | 222746 | 2022-03-31 15:31:23 |
| aei21-20211231_pre.xml | 142323 | 2022-03-31 15:31:23 |
| ex31-121.htm | 7604 | 2022-03-31 15:31:23 |
| ex31-221.htm | 7971 | 2022-03-31 15:31:23 |
| ex32-21.htm | 8613 | 2022-03-31 15:31:23 |
| FilingSummary.xml | 19136 | 2022-03-31 15:31:23 |
| Financial_Report.xlsx | 54409 | 2022-03-31 15:31:23 |
| MetaLinks.json | 281512 | 2022-03-31 15:31:23 |
| R1.htm | 62302 | 2022-03-31 15:31:23 |
| R10.htm | 39641 | 2022-03-31 15:31:23 |
| R11.htm | 15887 | 2022-03-31 15:31:23 |
| R12.htm | 7428 | 2022-03-31 15:31:23 |
| R13.htm | 24721 | 2022-03-31 15:31:23 |
| R14.htm | 6384 | 2022-03-31 15:31:23 |
| R15.htm | 57893 | 2022-03-31 15:31:23 |
| R16.htm | 15450 | 2022-03-31 15:31:23 |
| R17.htm | 33140 | 2022-03-31 15:31:23 |
| R18.htm | 15086 | 2022-03-31 15:31:23 |
| R19.htm | 22422 | 2022-03-31 15:31:23 |
| R2.htm | 76179 | 2022-03-31 15:31:23 |
| R20.htm | 14404 | 2022-03-31 15:31:23 |
| R21.htm | 7176 | 2022-03-31 15:31:23 |
| R22.htm | 11174 | 2022-03-31 15:31:23 |
| R23.htm | 115642 | 2022-03-31 15:31:23 |
| R24.htm | 23402 | 2022-03-31 15:31:23 |
| R25.htm | 14818 | 2022-03-31 15:31:23 |
| R26.htm | 8619 | 2022-03-31 15:31:23 |
| R27.htm | 17654 | 2022-03-31 15:31:23 |
| R28.htm | 21171 | 2022-03-31 15:31:23 |
| R29.htm | 22995 | 2022-03-31 15:31:23 |
| R3.htm | 7784 | 2022-03-31 15:31:23 |
| R30.htm | 18749 | 2022-03-31 15:31:23 |
| R31.htm | 8945 | 2022-03-31 15:31:23 |
| R32.htm | 5011 | 2022-03-31 15:31:23 |
| R4.htm | 48335 | 2022-03-31 15:31:23 |
| R5.htm | 51632 | 2022-03-31 15:31:23 |
| R6.htm | 25657 | 2022-03-31 15:31:23 |
| R7.htm | 11123 | 2022-03-31 15:31:23 |
| R8.htm | 22072 | 2022-03-31 15:31:23 |
| R9.htm | 18640 | 2022-03-31 15:31:23 |
| report.css | 2767 | 2022-03-31 15:31:23 |
| Show.js | 1085 | 2022-03-31 15:31:23 |