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Statutory Financial Information, Capital Requirements, and Restrictions on Dividends and Transfers of Funds (Tables) | 12 Months Ended
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Dec. 31, 2024
Insurance [Abstract] |
Schedule of Insurance Subsidiaries Statutory Surplus Data | The following table provides statutory data for each of our Insurance Subsidiaries:
|  | State of Domicile |  | Unassigned Surplus |  | Statutory Surplus |  | Statutory Net Income
($ in millions) |  |  |  | 2024 |  | 2023 |  | 2024 |  | 2023 |  | 2024 |  | 2023 |  | 2022
SICA |  | New Jersey |  | $ | 832.3 |  |  | 773.6 |  |  | 997.5 |  |  | 938.8 |  |  | 76.8 |  |  | 120.4 |  |  | 103.1 |
Selective Way Insurance Company ("SWIC") |  | New Jersey |  | 537.1 |  |  | 513.5 |  |  | 593.1 |  |  | 569.3 |  |  | 36.3 |  |  | 64.1 |  |  | 69.6 |
SICSC |  | Indiana |  | 219.9 |  |  | 201.3 |  |  | 254.1 |  |  | 235.6 |  |  | 13.3 |  |  | 26.0 |  |  | 17.0 |
SICSE |  | Indiana |  | 171.9 |  |  | 155.1 |  |  | 199.5 |  |  | 182.7 |  |  | 11.2 |  |  | 21.6 |  |  | 14.2 |
SICNY |  | New York |  | 162.0 |  |  | 152.4 |  |  | 189.7 |  |  | 180.1 |  |  | 7.1 |  |  | 16.4 |  |  | 13.2 |
Selective Insurance Company of New England ("SICNE") |  | New Jersey |  | 49.2 |  |  | 45.5 |  |  | 80.3 |  |  | 76.7 |  |  | 3.3 |  |  | 8.3 |  |  | 5.1 |
Selective Auto Insurance Company of New Jersey ("SAICNJ") |  | New Jersey |  | 127.5 |  |  | 119.3 |  |  | 172.4 |  |  | 164.2 |  |  | 7.4 |  |  | 16.2 |  |  | 12.7 |
Mesa Underwriters Specialty Insurance Company ("MUSIC") |  | New Jersey |  | 72.3 |  |  | 64.3 |  |  | 141.8 |  |  | 133.7 |  |  | 8.7 |  |  | 14.4 |  |  | 9.7 |
Selective Casualty Insurance Company ("SCIC") |  | New Jersey |  | 117.2 |  |  | 107.8 |  |  | 193.6 |  |  | 184.3 |  |  | 10.7 |  |  | 24.0 |  |  | 14.0 |
Selective Fire and Casualty Insurance Company ("SFCIC") |  | New Jersey |  | 47.8 |  |  | 43.9 |  |  | 80.8 |  |  | 76.9 |  |  | 3.5 |  |  | 7.4 |  |  | 5.8 |
Total |  |  |  | $ | 2,337.2 |  |  | 2,176.7 |  |  | 2,902.8 |  |  | 2,742.3 |  |  | 178.3 |  |  | 318.8 |  |  | 264.4 |
Schedule of Insurance Subsidiaries Dividend Paid To Parent | The table below provides the following information: (i) quantitative data regarding all Insurance Subsidiaries' dividends paid to the Parent in 2024, which was used for debt service, shareholder dividends, and general operating purposes; and (ii) the maximum ordinary dividends that can be paid to the Parent by the Insurance Subsidiaries in 2025, based on the 2024 statutory financial statements.
Dividends |  |  |  | Twelve Months ended December 31, 2024 |  | 2025 |  |  |  |
($ in millions) |  | State of Domicile |  | Ordinary Dividends Paid |  | Maximum Ordinary Dividends |  |  |  |
SICA |  | New Jersey |  | $ | 20.0 |  |  | $ | 99.7 |  |  |  |  |
SWIC |  | New Jersey |  | 15.0 |  |  | 59.3 |  |  |  |  |
SICSC |  | Indiana |  | — |  |  | 25.4 |  |  |  |  |
SICSE |  | Indiana |  | 1.3 |  |  | 20.0 |  |  |  |  |
SICNY |  | New York |  | 0.9 |  |  | 19.0 |  |  |  |  |
SICNE |  | New Jersey |  | 0.5 |  |  | 8.0 |  |  |  |  |
SAICNJ |  | New Jersey |  | 1.1 |  |  | 17.2 |  |  |  |  |
MUSIC |  | New Jersey |  | 2.2 |  |  | 14.2 |  |  |  |  |
SCIC |  | New Jersey |  | 2.8 |  |  | 19.4 |  |  |  |  |
SFCIC |  | New Jersey |  | — |  |  | 8.1 |  |  |  |  |
Total |  |  |  | $ | 43.8 |  |  | $ | 290.3 |  |  |  |  |

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