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Disposal Groups, Including Discontinued Operations, Disclosure [Text Block] (Details) - USD ($)
$ in Thousands
3 Months Ended
Mar. 31, 2017
Mar. 31, 2016
Dec. 31, 2016
Disposal Group, Including Discontinued Operation, Liabilities $ 38   $ 68
Cash Provided by (Used in) Operating Activities, Discontinued Operations   $ 339  
Discontinued Operation, Tax Effect of Discontinued Operation 0 $ 7,866  
Risk Solutions Sale and Coinsurance Transaction Member | AMICSubsidiariesMember      
Aggregate Consideration Allocated To An Entity, Expressed As A Percent   8900.00%  
Risk Solutions Sale and Coinsurance Transaction Member | Medical Stop-Loss Segment Member      
Disposal Group, Including Discontinued Operation, Liabilities $ 38   $ 68
Risk Solutions Sale and Coinsurance Transaction Member | Discontinued Operations, Disposed of by Sale      
Discontinued Operation, Tax Effect of Discontinued Operation   $ 7,866  
Risk Solutions Sale and Coinsurance Transaction Member | Discontinued Operations, Disposed of by Sale | State and Local Jurisdiction      
Discontinued Operation, Tax Effect of Discontinued Operation   5,799  
Risk Solutions Sale and Coinsurance Transaction Member | Discontinued Operations, Disposed of by Sale | Domestic Tax Authority      
Discontinued Operation, Tax Effect of Discontinued Operation   2,067  
Valuation Allowance, Deferred Tax Asset, Increase (Decrease), Amount   (38,565)  
Risk Solutions Sale and Coinsurance Transaction Member | Discontinued Operations, Disposed of by Sale | Medical Stop-Loss Segment Member      
Disposal Group, Including Discontinued Operation, Consideration   152,500  
Discontinued Operation, Gain (Loss) on Disposal of Discontinued Operation, Net of Tax, Portion Attributable to Parent   99,793  
Discontinued Operation, Tax Effect of Discontinued Operation   $ 7,866