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Reinsurance (Details) - USD ($) $ in Thousands | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 30, 2021 | Sep. 30, 2020 | Sep. 30, 2021 | Sep. 30, 2020
Reinsurance Retention Policy |  |  |  |
Amount of risk reinsured in excess of stated retention | $ 2,900,000 |  |  |
Flood premiums ceded (percentage) |  |  | 100.00% |
Insurance commissions and fees under Flood Program | $ 380 | $ 431 | $ 1,270 | $ 1,195
Document Period End Date |  |  | Sep. 30, 2021 |
Ceded losses - All Other Perils Contract |  |  | $ 91,127 |
Reinstatement Premium - All Other Perils |  |  | $ 14,732 |

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