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|---|---|---|
 0001193125-20-042004-index-headers.html | 2020-02-19 16:41:14 | |
| 0001193125-20-042004-index.html | 2020-02-19 16:41:14 | |
| 0001193125-20-042004.txt | 2020-02-19 16:41:14 | |
 0001193125-20-042004-xbrl.zip | 19087 | 2020-02-19 16:41:14 |
| amsf-20200219.xsd | 3073 | 2020-02-19 16:41:14 |
| amsf-20200219_lab.xml | 17374 | 2020-02-19 16:41:14 |
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| d894890d8k.htm | 26527 | 2020-02-19 16:41:14 |
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| d894890dex991.htm | 153764 | 2020-02-19 16:41:14 |
| d894890dex992.htm | 3624 | 2020-02-19 16:41:14 |
| FilingSummary.xml | 1768 | 2020-02-19 16:41:14 |
| Financial_Report.xlsx | 5786 | 2020-02-19 16:41:14 |
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 g894890img02.jpg | 12270 | 2020-02-19 16:41:14 |
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| R1.htm | 38618 | 2020-02-19 16:41:14 |
| report.css | 2767 | 2020-02-19 16:41:14 |
| Show.js | 1085 | 2020-02-19 16:41:14 |