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|---|---|---|
 0000003499-18-000011-index-headers.html | 2018-04-30 08:22:25 | |
| 0000003499-18-000011-index.html | 2018-04-30 08:22:25 | |
| 0000003499-18-000011.txt | 2018-04-30 08:22:25 | |
 0000003499-18-000011-xbrl.zip | 138922 | 2018-04-30 08:22:25 |
| alx-20180331.xml | 664759 | 2018-04-30 08:22:25 |
| alx-20180331.xsd | 41524 | 2018-04-30 08:22:25 |
| alx-20180331_cal.xml | 56835 | 2018-04-30 08:22:25 |
| alx-20180331_def.xml | 199888 | 2018-04-30 08:22:25 |
| alx-20180331_lab.xml | 486718 | 2018-04-30 08:22:25 |
| alx-20180331_pre.xml | 315418 | 2018-04-30 08:22:25 |
| alx10-q3312018.htm | 673329 | 2018-04-30 08:22:25 |
| ex-3111.htm | 13512 | 2018-04-30 08:22:25 |
| ex-3121.htm | 13522 | 2018-04-30 08:22:25 |
| ex-3211.htm | 6005 | 2018-04-30 08:22:25 |
| ex-3221.htm | 5992 | 2018-04-30 08:22:25 |
| exhibit101.htm | 41308 | 2018-04-30 08:22:25 |
| exhibit102.htm | 42250 | 2018-04-30 08:22:25 |
| exhibit15.htm | 3703 | 2018-04-30 08:22:25 |
| FilingSummary.xml | 26616 | 2018-04-30 08:22:25 |
| Financial_Report.xlsx | 52261 | 2018-04-30 08:22:25 |
| R1.htm | 21928 | 2018-04-30 08:22:25 |
| R10.htm | 5735 | 2018-04-30 08:22:25 |
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| R9.htm | 5357 | 2018-04-30 08:22:25 |
| report.css | 2767 | 2018-04-30 08:22:25 |
| Show.js | 1410 | 2018-04-30 08:22:25 |