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Goodwill and Intangible Assets - Narrative (Details) - USD ($) $ in Millions |  | 12 Months Ended
--- | --- | ---
Dec. 01, 2022 | Dec. 31, 2023
Goodwill [Line Items] |  |
Total impairment loss |  | $ 49.6
Goodwill, Impairment Loss, Net of Tax |  | $ (45.5)
Goodwill derecognized | $ 0.3 |
Disposal Group, Disposed of by Sale, Not Discontinued Operations | Reserve National Insurance Company |  |
Goodwill [Line Items] |  |
Total impairment loss | $ 11.4 |

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