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Subsequent Events (Details) - USD ($) $ in Thousands |  | 12 Months Ended
--- | --- | ---
Jan. 07, 2025 | Dec. 31, 2024 | Dec. 31, 2023 | Dec. 31, 2022
Subsequent Event [Line Items] |  |  |  |
Net losses and loss adjustment expenses |  | $ 5,508,059 | $ 5,360,559 | $ 4,613,035
Minimum [Member] | Subsequent Event | California Wildfires (2025) |  |  |  |
Subsequent Event [Line Items] |  |  |  |
Net losses and loss adjustment expenses | $ 90,000 |  |  |
Maximum [Member] | Subsequent Event | California Wildfires (2025) |  |  |  |
Subsequent Event [Line Items] |  |  |  |
Net losses and loss adjustment expenses | $ 130,000 |  |  |

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- Definition Amount, after effects of reinsurance, of expense for claims incurred in the current reporting period and related claims settlement costs. + References Reference 1: http://www.xbrl.org/2003/role/exampleRef -Topic 944 -SubTopic 40 -Name Accounting Standards Codification -Section 55 -Paragraph 7 -Publisher FASB -URI https://asc.fasb.org/1943274/2147480046/944-40-55-7 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 944 -SubTopic 40 -Name Accounting Standards Codification -Section 50 -Paragraph 3 -Subparagraph (b) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480081/944-40-50-3 + Details
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