• Filing Date: 2019-03-08
  • Form Type: 10-K
  • Description: Annual report
v3.10.0.1
Losses and Loss Adjustment Expenses - Supplementary and Unaudited Information about Average Historical Claims Duration (Detail)
Dec. 31, 2018
Homeowners Multi-peril and Dwelling Fire Insurance [Member]  
Short-duration Insurance Contracts, Historical Claims Duration [Line Items]  
Average Annual Percentage Payout of Incurred Losses by Age, Net of Reinsurance, Year 1 52.60%
Average Annual Percentage Payout of Incurred Losses by Age, Net of Reinsurance, Year 2 24.30%
Average Annual Percentage Payout of Incurred Losses by Age, Net of Reinsurance, Year 3 10.10%
Average Annual Percentage Payout of Incurred Losses by Age, Net of Reinsurance, Year 4 5.90%
Average Annual Percentage Payout of Incurred Losses by Age, Net of Reinsurance, Year 5 3.60%
Average Annual Percentage Payout of Incurred Losses by Age, Net of Reinsurance, Year 6 2.50%
Average Annual Percentage Payout of Incurred Losses by Age, Net of Reinsurance, Year 7 0.00%
Homeowners Wind-only Insurance [Member]  
Short-duration Insurance Contracts, Historical Claims Duration [Line Items]  
Average Annual Percentage Payout of Incurred Losses by Age, Net of Reinsurance, Year 1 32.70%
Average Annual Percentage Payout of Incurred Losses by Age, Net of Reinsurance, Year 2 26.00%
Average Annual Percentage Payout of Incurred Losses by Age, Net of Reinsurance, Year 3 12.80%
Average Annual Percentage Payout of Incurred Losses by Age, Net of Reinsurance, Year 4 16.90%
Losses Specific to Any Hurricane Prior to 2018 [Member]  
Short-duration Insurance Contracts, Historical Claims Duration [Line Items]  
Average Annual Percentage Payout of Incurred Losses by Age, Net of Reinsurance, Year 1 70.10%
Average Annual Percentage Payout of Incurred Losses by Age, Net of Reinsurance, Year 2 14.40%
Average Annual Percentage Payout of Incurred Losses by Age, Net of Reinsurance, Year 3 12.60%
Hurricane Michael [Member]  
Short-duration Insurance Contracts, Historical Claims Duration [Line Items]  
Average Annual Percentage Payout of Incurred Losses by Age, Net of Reinsurance, Year 1 81.00%