• Filing Date: 2019-03-08
  • Form Type: 10-K
  • Description: Annual report
v3.10.0.1
Reinsurance - Additional Information (Detail)
1 Months Ended 4 Months Ended 12 Months Ended
Sep. 30, 2016
USD ($)
Jun. 30, 2016
USD ($)
Dec. 31, 2017
USD ($)
Reinsurers
Dec. 31, 2018
USD ($)
Reinsurers
Dec. 31, 2017
USD ($)
Reinsurers
Dec. 31, 2016
USD ($)
Reinsurance Premiums for Insurance Companies, by Product Segment [Line Items]            
Percentage of ceding commission on ceded premiums written     30.00%   30.00%  
Excess of loss reinsurance contract period       3 years    
Number of reinsurers | Reinsurers     37 38 37  
Recoveries pertaining to reinsurance contracts       $ 123,911,000 $ 103,104,000  
Number of reinsurers in which major reinsurance recoverable concentrated | Reinsurers     2 2 2  
Percentage of reinsurance recoverable major reinsurers       29.10%    
Percentage of assumed premiums to net premium earned       0.98% 4.90% 2.50%
Credit risk associated with reinsurance receivables     $ 0 $ 0 $ 0  
Ceded losses recognized as a reduction in losses and LAE       149,120,000 214,082,000  
Net reduction in premiums ceded       485,000   $ 12,677,000
Net increase in premiums ceded         5,740,000  
Amount received from retrospective reinsurance contracts $ 5,716,000 $ 37,800,000        
Other assets     9,741,000 9,004,000 9,741,000  
Hurricane Irma [Member]            
Reinsurance Premiums for Insurance Companies, by Product Segment [Line Items]            
Ceded losses recognized as a reduction in losses and LAE       143,890,000    
Hurricane Michael [Member]            
Reinsurance Premiums for Insurance Companies, by Product Segment [Line Items]            
Ceded losses recognized as a reduction in losses and LAE       5,230,000    
Oxbridge [Member]            
Reinsurance Premiums for Insurance Companies, by Product Segment [Line Items]            
Ceded losses recognized as a reduction in losses and LAE         7,400,000  
Net reduction in premiums ceded           $ 1,929,000
Net increase in premiums ceded       448,000 933,000  
Amount received from retrospective reinsurance contracts   $ 7,560,000        
Other assets     479,000 0 479,000  
Reinsurance [Member]            
Reinsurance Premiums for Insurance Companies, by Product Segment [Line Items]            
Other assets     $ 2,393,000 $ 3,136,000 $ 2,393,000