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Insurance Company Subsidiary Operations (Tables) | 12 Months Ended
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Dec. 31, 2022
Reinsurance Disclosures [Abstract] |
Effects of Reinsurance on Premiums Written and Earned | The effects of reinsurance on premiums written and earned at December 31 are as follows:
|  | 2022 |  |  | 2021 |
(in millions) |  | Written |  |  | Earned |  |  | Written |  |  | Earned |
Direct premiums - WNFIC |  | $ | 740.9 |  |  | $ | 751.3 |  |  | $ | 747.4 |  |  | $ | 732.8 |
Assumed premiums - WNFIC |  |  | — |  |  |  | — |  |  |  | — |  |  |  | — |
Ceded premiums - WNFIC |  |  | 740.9 |  |  |  | 751.3 |  |  |  | 747.4 |  |  |  | 732.8 |
'Net premiums - WNFIC |  |  | — |  |  |  | — |  |  |  | — |  |  |  | — |
Assumed premiums - Quota share captive and excess of loss layer captive |  |  | 65.4 |  |  |  | 43.7 |  |  |  | — |  |  |  | — |
Ceded premiums - Quota share captive |  |  | (27.1 | ) |  |  | (17.3 | ) |  |  | — |  |  |  | — |
Net premiums - Quota share captive and excess loss layer captive |  |  | 38.3 |  |  |  | 26.4 |  |  |  | — |  |  |  | — |
Net premiums - Total |  | $ | 38.3 |  |  | $ | 26.4 |  |  | $ | — |  |  | $ | — |

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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 -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 605 -Section 50 -Paragraph 1 -URI https://asc.fasb.org/extlink&oid=6486672&loc=d3e27261-158547 + Details
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- References No definition available. + Details
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