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|---|---|---|
 0000003499-19-000021-index-headers.html | 2019-10-28 08:16:09 | |
| 0000003499-19-000021-index.html | 2019-10-28 08:16:09 | |
| 0000003499-19-000021.txt | 2019-10-28 08:16:09 | |
 0000003499-19-000021-xbrl.zip | 200416 | 2019-10-28 08:16:09 |
| alx-20190930.xsd | 48174 | 2019-10-28 08:16:09 |
| alx-20190930_cal.xml | 66688 | 2019-10-28 08:16:09 |
| alx-20190930_def.xml | 202572 | 2019-10-28 08:16:09 |
| alx-20190930_lab.xml | 581961 | 2019-10-28 08:16:09 |
| alx-20190930_pre.xml | 350675 | 2019-10-28 08:16:09 |
| alx10-q93019.htm | 1164542 | 2019-10-28 08:16:09 |
| alx10-q93019_htm.xml | 867123 | 2019-10-28 08:16:09 |
| exhibit151.htm | 3550 | 2019-10-28 08:16:09 |
| exhibit3114.htm | 13518 | 2019-10-28 08:16:09 |
| exhibit3121.htm | 13528 | 2019-10-28 08:16:09 |
| exhibit3214.htm | 6011 | 2019-10-28 08:16:09 |
| exhibit3221.htm | 5998 | 2019-10-28 08:16:09 |
| FilingSummary.xml | 32431 | 2019-10-28 08:16:09 |
| Financial_Report.xlsx | 63063 | 2019-10-28 08:16:09 |
| MetaLinks.json | 488461 | 2019-10-28 08:16:09 |
| R1.htm | 52221 | 2019-10-28 08:16:09 |
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| report.css | 2767 | 2019-10-28 08:16:09 |
| Show.js | 1085 | 2019-10-28 08:16:09 |