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Investments Realized Gain (Loss) on Investments (Details)
$ in Thousands
12 Months Ended
Dec. 31, 2019
USD ($)
Dec. 31, 2018
USD ($)
Dec. 31, 2017
USD ($)
Gain (Loss) on Securities [Line Items]      
Increase (Decrease) in Equity Securities, FV-NI $ 0 $ 9  
Sale of fixed maturities, available-for-sale 66,900 38,823 $ 1,077
Proceeds from sale of equity securities, FV-NI   0  
Proceeds from Sale of Available-for-sale Securities, Equity     1,940
Equity Securities, FV-NI, Realized Gain 0 0  
Equity Securities, FV-NI, Realized Loss 0 0  
Gain (Loss) on Sale of Properties 5,513 0 1,110
Gain (Loss) on Disposition of Property Plant Equipment (48) (80) 0
Gain (Loss) on Investments, Excluding Other than Temporary Impairments (7,392) (1,712) (725)
Equity Securities, FV-NI, Unrealized Gain (Loss) 962 (828) 0
Other-than-temporary Impairment Losses on Other Long-Term Investments 3,105 0 0
Realized loss on Other than Temporary Impairments (3,105) (776) (207)
Realized investment gains, net 5,249 108 518
Proceeds from Sale of Property, Plant, and Equipment 16 89 41
Impairment loss, Real Estate, Portion Recognized in Earnings 3,100    
Equity Securities [Member]      
Gain (Loss) on Securities [Line Items]      
Available-for-sale Securities, Gross Realized Gains     0
Available-for-sale Securities, Gross Realized Losses     (30)
Equity Securities, FV-NI, Realized Gain (Loss) 0 0  
Gain (Loss) on Sale of Equity Securities     121
Other Than Temporary Impairment Losses on Debt and Equity Securities 0 0 (207)
Debt Securities [Member]      
Gain (Loss) on Securities [Line Items]      
Available-for-sale Securities, Gross Realized Gains 2,538 1,301 19
Available-for-sale Securities, Gross Realized Losses (973) (653) (16)
Gain (Loss) on Sales, Calls and Maturities of Fixed Maturities 1,927 1,792 (506)
Other Than Temporary Impairment Losses on Debt and Equity Securities $ 0 $ (776) $ 0
Available-for-sale Securities [Member]      
Gain (Loss) on Securities [Line Items]      
Number of Debt Securities Sold 68 41  
Held-to-maturity Securities [Member]      
Gain (Loss) on Securities [Line Items]      
Number of Debt Securities Sold   0 0
Life Insurance Segment [Member]      
Gain (Loss) on Securities [Line Items]      
Gain (Loss) on Sale of Properties $ 5,500    
Realized investment gains, net 6,795 $ 358 $ (461)
Proceeds from Sale of Property, Plant, and Equipment 7,500    
Home Service Insurance Segment [Member]      
Gain (Loss) on Securities [Line Items]      
Gain (Loss) on Sale of Properties   1,100  
Realized investment gains, net $ 1,470 (46) $ 979
Proceeds from Sale of Property, Plant, and Equipment   $ 3,250