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Description of Business and Summary of Significant Accounting Policies - Concentrations (Details) - USD ($) $ in Millions | 3 Months Ended | 6 Months Ended | 12 Months Ended
--- | --- | --- | ---
Jun. 30, 2026 | Jun. 30, 2026 | Dec. 31, 2025
Concentration Risk [Line Items] |  |  |
Cash in bank |  | $ 193.0 |
Reinsurance Recoverable Including Reinsurance Premium Paid | Reinsurer Concentration Risk | Top Four Reinsurers |  |  |
Concentration Risk [Line Items] |  |  |
Concentration risk, percentage |  | 46.00% |
Reinsurance Recoverable Including Reinsurance Premium Paid | Reinsurer Concentration Risk | Top Five Reinsurers |  |  |
Concentration Risk [Line Items] |  |  |
Concentration risk, percentage |  | 46.00% | 53.00%
Revenue Benchmark | Geographic Concentration Risk | Customers In Texas |  |  |
Concentration Risk [Line Items] |  |  |
Concentration risk, percentage | 56.00% | 57.00% |

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