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| 0000819793-22-000009-index.html | 2022-02-25 11:20:23 | |
| 0000819793-22-000009.txt | 2022-02-25 11:20:23 | |
 0000819793-22-000009-xbrl.zip | 717506 | 2022-02-25 11:20:23 |
| ain-20211231.htm | 4155836 | 2022-02-25 11:20:23 |
| ain-20211231.xsd | 97763 | 2022-02-25 11:20:23 |
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| ain-20211231xex31b.htm | 11073 | 2022-02-25 11:20:23 |
| ain-20211231xex32a.htm | 7449 | 2022-02-25 11:20:23 |
| ain-20211231_cal.xml | 171089 | 2022-02-25 11:20:23 |
| ain-20211231_def.xml | 660999 | 2022-02-25 11:20:23 |
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| ain-20211231_htm.xml | 4643067 | 2022-02-25 11:20:23 |
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| FilingSummary.xml | 82846 | 2022-02-25 11:20:23 |
| Financial_Report.xlsx | 208590 | 2022-02-25 11:20:23 |
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| R1.htm | 68242 | 2022-02-25 11:20:23 |
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| report.css | 2768 | 2022-02-25 11:20:23 |
| Show.js | 1086 | 2022-02-25 11:20:23 |