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|---|---|---|
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| 0000894245-23-000030-index.html | 2023-03-31 14:13:35 | |
| 0000894245-23-000030.txt | 2023-03-31 14:13:35 | |
 0000894245-23-000030-xbrl.zip | 104140 | 2023-03-31 14:13:35 |
| aei21-20221231.htm | 566213 | 2023-03-31 14:13:35 |
| aei21-20221231.xsd | 37229 | 2023-03-31 14:13:35 |
| aei21-20221231_cal.xml | 28389 | 2023-03-31 14:13:35 |
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| aei21-20221231_htm.xml | 304893 | 2023-03-31 14:13:35 |
| aei21-20221231_lab.xml | 254420 | 2023-03-31 14:13:35 |
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| ex32-21.htm | 8842 | 2023-03-31 14:13:35 |
| FilingSummary.xml | 21104 | 2023-03-31 14:13:35 |
| Financial_Report.xlsx | 59589 | 2023-03-31 14:13:35 |
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| R1.htm | 61365 | 2023-03-31 14:13:35 |
| R10.htm | 44110 | 2023-03-31 14:13:35 |
| R11.htm | 16012 | 2023-03-31 14:13:35 |
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| R2.htm | 69823 | 2023-03-31 14:13:35 |
| R20.htm | 14256 | 2023-03-31 14:13:35 |
| R21.htm | 7113 | 2023-03-31 14:13:35 |
| R22.htm | 9793 | 2023-03-31 14:13:35 |
| R23.htm | 120260 | 2023-03-31 14:13:35 |
| R24.htm | 26103 | 2023-03-31 14:13:35 |
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| R26.htm | 8537 | 2023-03-31 14:13:35 |
| R27.htm | 17454 | 2023-03-31 14:13:35 |
| R28.htm | 20943 | 2023-03-31 14:13:35 |
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| R3.htm | 7703 | 2023-03-31 14:13:35 |
| R30.htm | 18667 | 2023-03-31 14:13:35 |
| R31.htm | 8856 | 2023-03-31 14:13:35 |
| R32.htm | 4973 | 2023-03-31 14:13:35 |
| R4.htm | 47870 | 2023-03-31 14:13:35 |
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| R6.htm | 23971 | 2023-03-31 14:13:35 |
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| R9.htm | 18538 | 2023-03-31 14:13:35 |
| R9999.htm | 17639 | 2023-03-31 14:13:35 |
| report.css | 2767 | 2023-03-31 14:13:35 |
| Show.js | 1085 | 2023-03-31 14:13:35 |