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v3.23.3

Business Segments - Earned Premiums by Product Line (Details) - USD ($) $ in Millions | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 30, 2023 | Sep. 30, 2022 | Sep. 30, 2023 | Sep. 30, 2022
Segment Reporting Information [Line Items] |  |  |  |
Earned Premiums (Changes in Deferred Profit Liability for the Nine and Three Months Ended: 2023 - $51.6 and $15.9; 2022 - $56.8 and $19.1) | $ 1,117.8 | $ 1,290.9 | $ 3,465.6 | $ 3,948.5
Operating Segments | Specialty Property & Casualty Insurance |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Earned Premiums (Changes in Deferred Profit Liability for the Nine and Three Months Ended: 2023 - $51.6 and $15.9; 2022 - $56.8 and $19.1) | 890.4 | 999.5 | 2,766.9 | 3,064.8
Operating Segments | Life Insurance |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Earned Premiums (Changes in Deferred Profit Liability for the Nine and Three Months Ended: 2023 - $51.6 and $15.9; 2022 - $56.8 and $19.1) | 102.1 | 142.1 | 303.6 | 428.9
Operating Segments | Specialty and Life Insurance |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Earned Premiums (Changes in Deferred Profit Liability for the Nine and Three Months Ended: 2023 - $51.6 and $15.9; 2022 - $56.8 and $19.1) | 992.5 | 1,141.6 | 3,070.5 | 3,493.7
Operating Segments | Preferred Property & Casualty Insurance [Member] |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Earned Premiums (Changes in Deferred Profit Liability for the Nine and Three Months Ended: 2023 - $51.6 and $15.9; 2022 - $56.8 and $19.1) | 125.3 | 149.3 | 395.1 | 454.8
Operating Segments | Personal Automobile | Specialty Property & Casualty Insurance |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Earned Premiums (Changes in Deferred Profit Liability for the Nine and Three Months Ended: 2023 - $51.6 and $15.9; 2022 - $56.8 and $19.1) | 724.0 | 858.8 | 2,278.5 | 2,666.3
Operating Segments | Commercial Automobile | Specialty Property & Casualty Insurance |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Earned Premiums (Changes in Deferred Profit Liability for the Nine and Three Months Ended: 2023 - $51.6 and $15.9; 2022 - $56.8 and $19.1) | 166.4 | 140.7 | 488.4 | 398.5
Operating Segments | Life | Life Insurance |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Earned Premiums (Changes in Deferred Profit Liability for the Nine and Three Months Ended: 2023 - $51.6 and $15.9; 2022 - $56.8 and $19.1) | 84.9 | 84.3 | 251.9 | 253.8
Operating Segments | Accident and Health | Life Insurance |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Earned Premiums (Changes in Deferred Profit Liability for the Nine and Three Months Ended: 2023 - $51.6 and $15.9; 2022 - $56.8 and $19.1) | 5.8 | 45.9 | 17.5 | 136.8
Operating Segments | Property | Life Insurance |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Earned Premiums (Changes in Deferred Profit Liability for the Nine and Three Months Ended: 2023 - $51.6 and $15.9; 2022 - $56.8 and $19.1) | $ 11.4 | $ 11.9 | $ 34.2 | $ 38.3

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- Definition Amount, after premiums ceded to other entities and premiums assumed by the entity, of premiums earned. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 944 -SubTopic 235 -Name Accounting Standards Codification -Section S99 -Paragraph 2 -Subparagraph (SX 210.12-17(Column E)) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480149/944-235-S99-2 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 944 -SubTopic 605 -Name Accounting Standards Codification -Section 50 -Paragraph 1 -Subparagraph (c)(3) -Publisher FASB -URI https://asc.fasb.org//1943274/2147479655/944-605-50-1 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-04(13)(c)) -SubTopic 220 -Topic 942 -Publisher FASB -URI https://asc.fasb.org//1943274/2147483589/942-220-S99-1 Reference 4: http://www.xbrl.org/2003/role/disclosureRef -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-04(1)) -SubTopic 220 -Topic 944 -Publisher FASB -URI https://asc.fasb.org//1943274/2147483586/944-220-S99-1 + Details
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