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v3.25.3

Reinsurance (Additional Information) (Details) $ in Thousands | 9 Months Ended | 12 Months Ended |  |  |  |
--- | --- | --- | --- | --- | --- | ---
Sep. 30, 2025 USD ($) | May 31, 2026 USD ($) | Nov. 01, 2025 USD ($) | May 31, 2025 USD ($) | Jun. 01, 2025 USD ($) | Dec. 31, 2024 USD ($) | Oct. 29, 2024 USD ($) | Jun. 01, 2024 USD ($)
Effects of Reinsurance [Line Items] |  |  |  |  |  |  |  |
Retaining on Property Business |  | $ 700 | $ 1,000 | $ 700 |  |  |  |
Loss on Property Risk Ceding |  | $ 4,300 | $ 9,000 | $ 4,300 |  |  |  |
Percentage of Treaties Cover |  | 100.00% | 100.00% | 100.00% |  |  |  |
Reinsurance Contract Coverage Amount |  |  |  |  | $ 7,000 |  | $ 50,000 | $ 7,000
The Reinsurer Total Liability Capped |  |  |  |  | 14,000 |  |  | 14,000
Effective Period of Treaties |  | May 31, 2026 | Nov. 01, 2025 | May 31, 2025 |  |  |  |
Estimated Premium Coverage Amount | $ 0 |  |  | $ 71,345 |  | $ 10,284 |  |
Florida Hurricane Catastrophe Fund (FHCF) |  |  |  |  |  |  |  |
Effects of Reinsurance [Line Items] |  |  |  |  |  |  |  |
Percentage of Loss From Catastrophe |  | 0.90 |  | 0.90 |  |  |  |
Loss From Catastrophe |  | $ 991,900 |  | $ 791,700 |  |  |  |
Estimated Premium Coverage Amount |  |  |  | 60,077 |  |  |  |
Maximum Payout Amount | $ 892,700 |  |  | $ 712,500 |  |  |  |
Catastrophe | Florida Hurricane Catastrophe Fund (FHCF) |  |  |  |  |  |  |  |
Effects of Reinsurance [Line Items] |  |  |  |  |  |  |  |
Percentage of Loss From Catastrophe | 0.90 |  |  | 0.90 |  |  |  |
Maximum | Florida Hurricane Catastrophe Fund (FHCF) |  |  |  |  |  |  |  |
Effects of Reinsurance [Line Items] |  |  |  |  |  |  |  |
Percenatge of Maximum Coverage Limit | 90.00% |  |  | 90.00% |  |  |  |
Minimum |  |  |  |  |  |  |  |
Effects of Reinsurance [Line Items] |  |  |  |  |  |  |  |
Reinsurance Contract Coverage Amount |  |  |  |  | $ 5,000 |  | $ 10,000 | $ 5,000
Minimum | Florida Hurricane Catastrophe Fund (FHCF) |  |  |  |  |  |  |  |
Effects of Reinsurance [Line Items] |  |  |  |  |  |  |  |
Loss From Catastrophe | $ 557,200 |  |  | $ 379,300 |  |  |  |
Maximum Payout Amount | $ 557,200 |  |  | $ 379,300 |  |  |  |
Minimum | Catastrophe | Florida Hurricane Catastrophe Fund (FHCF) |  |  |  |  |  |  |  |
Effects of Reinsurance [Line Items] |  |  |  |  |  |  |  |
Percentage of Loss From Catastrophe | 0.10 |  |  | 0.10 |  |  |  |

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