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|---|---|---|
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| 0000003499-20-000022-index.html | 2020-08-03 08:18:21 | |
| 0000003499-20-000022.txt | 2020-08-03 08:18:21 | |
 0000003499-20-000022-xbrl.zip | 178150 | 2020-08-03 08:18:21 |
| alx-20200630.xsd | 42849 | 2020-08-03 08:18:21 |
| alx-20200630_cal.xml | 52714 | 2020-08-03 08:18:21 |
| alx-20200630_def.xml | 186745 | 2020-08-03 08:18:21 |
| alx-20200630_lab.xml | 499927 | 2020-08-03 08:18:21 |
| alx-20200630_pre.xml | 300081 | 2020-08-03 08:18:21 |
| alx10-q63020.htm | 1093951 | 2020-08-03 08:18:21 |
| alx10-q63020_htm.xml | 680587 | 2020-08-03 08:18:21 |
| exhibit152.htm | 2986 | 2020-08-03 08:18:21 |
| exhibit311.htm | 13526 | 2020-08-03 08:18:21 |
| exhibit312.htm | 13536 | 2020-08-03 08:18:21 |
| exhibit321.htm | 6015 | 2020-08-03 08:18:21 |
| exhibit322.htm | 5870 | 2020-08-03 08:18:21 |
| FilingSummary.xml | 26809 | 2020-08-03 08:18:21 |
| Financial_Report.xlsx | 62704 | 2020-08-03 08:18:21 |
| MetaLinks.json | 454530 | 2020-08-03 08:18:21 |
| R1.htm | 52231 | 2020-08-03 08:18:21 |
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| report.css | 2767 | 2020-08-03 08:18:21 |
| Show.js | 1085 | 2020-08-03 08:18:21 |