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| 0000766421-18-000015-index.html | 2018-02-14 18:02:45 | |
| 0000766421-18-000015.txt | 2018-02-14 18:02:45 | |
 0000766421-18-000015-xbrl.zip | 360892 | 2018-02-14 18:02:45 |
| alk-20171231.xml | 3243260 | 2018-02-14 18:02:45 |
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| alk-20171231_cal.xml | 156740 | 2018-02-14 18:02:45 |
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| alk10-k123117.htm | 3465817 | 2018-02-14 18:02:45 |
| alk10-k123117ex21.htm | 6080 | 2018-02-14 18:02:45 |
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| alk10-k123117ex321.htm | 6637 | 2018-02-14 18:02:45 |
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 alk10-k123_chartx57832a01.jpg | 79285 | 2018-02-14 18:02:45 |
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| Financial_Report.xlsx | 118588 | 2018-02-14 18:02:45 |
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| report.css | 2768 | 2018-02-14 18:02:45 |
| Show.js | 1411 | 2018-02-14 18:02:45 |