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Insurance Company Subsidiary Operations (Tables) | 9 Months Ended
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Sep. 30, 2023
Reinsurance Disclosures [Abstract] |
Effects of Reinsurance on Premiums Written and Earned |
|  | Nine months ended September 30, 2023 |
(in millions) |  | Written |  |  | Earned |
Direct premiums - WNFIC |  | $ | 681.8 |  |  | $ | 588.2 |
Ceded premiums - WNFIC |  |  | (681.8 | ) |  |  | (588.2 | )
Net premiums - WNFIC |  |  | — |  |  |  | — |
Assumed premiums - Quota share captive and excess of loss layer captive |  |  | 86.2 |  |  |  | 63.3 |
Ceded premiums - Quota share captive |  |  | (46.3 | ) |  |  | (29.6 | )
Net premiums - Quota share captive and excess of loss layer captive |  |  | 39.9 |  |  |  | 33.7 |
Net premiums - Total |  | $ | 39.9 |  |  | $ | 33.7 |

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- Definition Tabular disclosure of the effects of reinsurance, for example, but not limited to, disclosure of direct, assumed, and ceded insurance. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Section 50 -Paragraph 1 -SubTopic 605 -Topic 944 -Publisher FASB -URI https://asc.fasb.org//1943274/2147479655/944-605-50-1 + Details
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