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Note 1. Organization, Consolidation, Basis of Presentation and Accounting Policies (Details) - USD ($)
$ in Thousands
1 Months Ended 3 Months Ended 9 Months Ended
Aug. 31, 2016
Sep. 30, 2016
Sep. 30, 2016
Sep. 30, 2015
Dec. 31, 2015
Cash paid in acquisitions of noncontrolling interests     $ 18,141 $ 1,734  
GeneveAffiliatedEntityMember          
EntityCommonStockOutstandingOwnershipPercent   54.00% 54.00%    
AMICSubsidiariesMember          
Noncontrolling Interest, Ownership Percentage by Parent         92.00%
Cash paid in acquisitions of noncontrolling interests $ 18,141        
Consolidation, Less than Wholly Owned Subsidiary, Parent Ownership Interest, Changes, Purchase of Interest by Parent $ 2,230 $ 2,230 $ 2,230 $ 199  
Stop-Loss Coinsurance Transaction With Westport Insurance Corporation Member | Medical Stop-Loss Product Line Produced By Risk Solutions Member          
Coinsurance, Ceded Percentage     100.00%