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| 0000230557-22-000003.txt | 2022-02-03 16:27:41 | |
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| FilingSummary.xml | 1768 | 2022-02-03 16:27:41 |
| Financial_Report.xlsx | 5845 | 2022-02-03 16:27:41 |
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| q42021pressreleaseexh991.htm | 282932 | 2022-02-03 16:27:41 |
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| R1.htm | 42920 | 2022-02-03 16:27:41 |
| report.css | 2767 | 2022-02-03 16:27:41 |
| Show.js | 1085 | 2022-02-03 16:27:41 |
| sigi-20220203.htm | 39539 | 2022-02-03 16:27:41 |
| sigi-20220203.xsd | 2562 | 2022-02-03 16:27:41 |
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| sigi-20220203_lab.xml | 32609 | 2022-02-03 16:27:41 |
| sigi-20220203_pre.xml | 17333 | 2022-02-03 16:27:41 |