Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0000003499-20-000018-index-headers.html | 2020-05-14 16:13:05 | |
| 0000003499-20-000018-index.html | 2020-05-14 16:13:05 | |
| 0000003499-20-000018.txt | 2020-05-14 16:13:05 | |
 0000003499-20-000018-xbrl.zip | 13646 | 2020-05-14 16:13:05 |
| alx-20200514.xsd | 4495 | 2020-05-14 16:13:05 |
| alx-20200514_cal.xml | 674 | 2020-05-14 16:13:05 |
| alx-20200514_def.xml | 1524 | 2020-05-14 16:13:05 |
| alx-20200514_lab.xml | 26147 | 2020-05-14 16:13:05 |
| alx-20200514_pre.xml | 13630 | 2020-05-14 16:13:05 |
| alx2020-8xk.htm | 77373 | 2020-05-14 16:13:05 |
| alx2020-8xk_htm.xml | 4176 | 2020-05-14 16:13:05 |
| FilingSummary.xml | 1740 | 2020-05-14 16:13:05 |
| Financial_Report.xlsx | 5783 | 2020-05-14 16:13:05 |
| MetaLinks.json | 18731 | 2020-05-14 16:13:05 |
| R1.htm | 38608 | 2020-05-14 16:13:05 |
| report.css | 2766 | 2020-05-14 16:13:05 |
| Show.js | 1085 | 2020-05-14 16:13:05 |