• Filing Date: 2018-03-07
  • Form Type: 10-K
  • Description: Annual report
v3.8.0.1
Losses and Loss Adjustment Expenses - Reconciliation of Net Incurred and Paid Loss Development Tables to Liability for Losses and Loss Adjustment Expenses (Detail) - USD ($)
Dec. 31, 2017
Dec. 31, 2016
Dec. 31, 2015
Dec. 31, 2014
Short-duration Insurance Contracts, Reconciliation of Claims Development to Liability [Line Items]        
Liabilities for unpaid losses and loss adjustment expenses, net of reinsurance $ 198,578,000 $ 70,492,000 $ 51,690,000 $ 48,908,000
Reinsurance recoverables 100,760,000 $ 0 $ 0  
Total gross liability for unpaid losses and loss adjustment expenses 198,578,000      
Homeowners Multi-peril and Dwelling Fire Insurance [Member]        
Short-duration Insurance Contracts, Reconciliation of Claims Development to Liability [Line Items]        
Liabilities for unpaid losses and loss adjustment expenses, net of reinsurance 82,705,000      
Homeowners Wind-only Insurance [Member]        
Short-duration Insurance Contracts, Reconciliation of Claims Development to Liability [Line Items]        
Liabilities for unpaid losses and loss adjustment expenses, net of reinsurance 1,308,000      
Losses Specific to Any Hurricane Prior to 2017 [Member]        
Short-duration Insurance Contracts, Reconciliation of Claims Development to Liability [Line Items]        
Liabilities for unpaid losses and loss adjustment expenses, net of reinsurance 4,109,000      
Hurricane Irma [Member]        
Short-duration Insurance Contracts, Reconciliation of Claims Development to Liability [Line Items]        
Liabilities for unpaid losses and loss adjustment expenses, net of reinsurance 9,688,000      
Other Short-duration Insurance Product Lines [Member]        
Short-duration Insurance Contracts, Reconciliation of Claims Development to Liability [Line Items]        
Liabilities for unpaid losses and loss adjustment expenses, net of reinsurance $ 8,000