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| 0000947484-20-000074.txt | 2020-07-29 16:19:44 | |
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| acgl-20200630_pre.xml | 18569 | 2020-07-29 16:19:44 |
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 banner1a21.jpg | 4775 | 2020-07-29 16:19:44 |
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| ex-992supplement63020.htm | 5009567 | 2020-07-29 16:19:44 |
| FilingSummary.xml | 1912 | 2020-07-29 16:19:44 |
| Financial_Report.xlsx | 5720 | 2020-07-29 16:19:44 |
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| R1.htm | 48199 | 2020-07-29 16:19:44 |
| report.css | 2767 | 2020-07-29 16:19:44 |
| Show.js | 1085 | 2020-07-29 16:19:44 |