v3.3.1.900
Related Party Transactions - NGHC (Details) - USD ($)
 12 Months Ended
Apr. 01, 2015
Oct. 01, 2012
Mar. 01, 2010
Dec. 31, 2015
Dec. 31, 2014
Dec. 31, 2013
Related Party Transaction [Line Items]            
Premiums earned       $ 2,429,069,000 $ 2,251,743,000 $ 2,000,887,000
National General Holdings Corp. | NGHC Quota Share Reinsurance Agreement            
Related Party Transaction [Line Items]            
Percent participation in quota share by subsidiary     50.00%      
Percent of net premiums of personal lines business received by subsidiary     25.00%      
Percent of net losses related to premiums of personal lines business assumed by reinsurers     25.00%      
Commission rate, percent of ceded written premiums   32.00% 32.50%      
Commission rate, adjusted percent of ceded written premiums     34.50%      
Commission rate, adjustment criteria, loss ratio ceiling     60.00%      
Commission rate, reduced adjustment to percent of ceded written premiums   30.00% 30.50%      
Commission rate, adjustment criteria, loss ratio floor     64.50%      
National General Holdings Corp. | NGHC Quota Share Reinsurance Agreement | Commissions paid            
Related Party Transaction [Line Items]            
Expenses recorded from related party transactions       0 6,509,000 75,382,000
National General Holdings Corp. | NGHC Subsidiaries Reinsurance Agreement            
Related Party Transaction [Line Items]            
Reinsurance coverage limit       8,825,000 8,900  
Medical Excess of Loss Reinsurance Agreement | National General Holdings Corp. | NGHC Subsidiaries Reinsurance Agreement            
Related Party Transaction [Line Items]            
Liability percentage 100.00%          
Reinsurance coverage threshold       1,175,000 1,100,000  
Maximum limit of liability attaching       2,000,000    
Premiums earned       $ 443,000 $ 190,000 $ 180,000