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| 0001413898-20-000043-index.html | 2020-05-07 19:25:53 | |
| 0001413898-20-000043.txt | 2020-05-07 19:25:53 | |
 0001413898-20-000043-xbrl.zip | 203407 | 2020-05-07 19:25:53 |
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| ahc-20191231xex21.htm | 32277 | 2020-05-07 19:25:53 |
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| ahc-20191231xex32.htm | 24369 | 2020-05-07 19:25:53 |
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| report.css | 2767 | 2020-05-07 19:25:53 |
| Show.js | 1085 | 2020-05-07 19:25:53 |