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|---|---|---|
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| 0000003499-23-000025-index.html | 2023-07-31 08:17:24 | |
| 0000003499-23-000025.txt | 2023-07-31 08:17:24 | |
 0000003499-23-000025-xbrl.zip | 150747 | 2023-07-31 08:17:24 |
| alx-20230630.htm | 759557 | 2023-07-31 08:17:24 |
| alx-20230630.xsd | 37361 | 2023-07-31 08:17:24 |
| alx-20230630_cal.xml | 44361 | 2023-07-31 08:17:24 |
| alx-20230630_def.xml | 177388 | 2023-07-31 08:17:24 |
| alx-20230630_htm.xml | 486896 | 2023-07-31 08:17:24 |
| alx-20230630_lab.xml | 430145 | 2023-07-31 08:17:24 |
| alx-20230630_pre.xml | 293007 | 2023-07-31 08:17:24 |
| exhibit15-10q63023.htm | 2779 | 2023-07-31 08:17:24 |
| exhibit311-10q63023.htm | 8782 | 2023-07-31 08:17:24 |
| exhibit312-10q63023.htm | 8792 | 2023-07-31 08:17:24 |
| exhibit321-10q63023.htm | 4975 | 2023-07-31 08:17:24 |
| exhibit322-10q63023.htm | 4907 | 2023-07-31 08:17:24 |
| FilingSummary.xml | 25940 | 2023-07-31 08:17:24 |
| Financial_Report.xlsx | 62843 | 2023-07-31 08:17:24 |
| MetaLinks.json | 584033 | 2023-07-31 08:17:24 |
| R1.htm | 50157 | 2023-07-31 08:17:24 |
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| R9.htm | 88995 | 2023-07-31 08:17:24 |
| report.css | 2767 | 2023-07-31 08:17:24 |
| Show.js | 1085 | 2023-07-31 08:17:24 |