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Reinsurance (Details) - USD ($) $ in Thousands | 12 Months Ended
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Dec. 31, 2020 | May 31, 2020 | Dec. 31, 2019 | Dec. 31, 2018
Insurance [Abstract] |  |  |  |
Reinsurance Retention Policy, Excess Retention, Amount Reinsured |  | $ 3,300,000 |  |
Insurance Commissions and Fees, Flood Program | $ 1,467 |  | $ 1,506 | $ 1,575
Percentage of Flood Premiums Ceded | 100.00% |  |  |
Increase (Decrease) in Ceded Losses and LAE Incurred | $ (96,016) |  |  |

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- Definition Increase (Decrease) in Ceded Losses and LAE Incurred + References No definition available. + Details
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- Definition Insurance Commissions and Fees, Flood Program + References No definition available. + Details
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- Definition Percentage of Flood Premiums Ceded + References No definition available. + Details
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- References No definition available. + Details
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- Definition Amount of risk reinsured in excess of stated retention per company policy. + References No definition available. + Details
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