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Nature of Operations and Basis of Presentation (Narrative) (Details)
3 Months Ended
Mar. 31, 2017
USD ($)
segment
state
Mar. 31, 2016
USD ($)
Dec. 31, 2016
USD ($)
Organization, Consolidation and Presentation of Financial Statements [Abstract]      
Number of business segments | segment 2    
Segment Reporting Information [Line Items]      
Payment for income taxes $ 9,000 $ 6,509,000  
Federal tax refund received 0 0  
Interest payments 0 0  
Decrease in DAC asset related to assumed realization of unrealized gains (losses) 7,690,000   $ 6,413,000
Federal income tax expense $ (5,153,000) $ (6,347,000)  
Federal statutory rate 35.00% 35.00%  
Liability for unrecognized tax benefits $ 0   $ 0
Excess tax benefit $ (130,000)    
Property and Casualty Insurance      
Segment Reporting Information [Line Items]      
Number of states in which we are licensed as insurer | state 46    
Life Insurance      
Segment Reporting Information [Line Items]      
Number of states in which we are licensed as insurer | state 37