XML 40 R29.htm IDEA: XBRL DOCUMENT v3.19.1
Investments (Narrative) (Details) - USD ($)
3 Months Ended
Mar. 31, 2019
Mar. 31, 2018
Dec. 31, 2018
Investment [Line Items]      
Securities sold under agreements to repurchase $ 0   $ 0
Commercial mortgage loans, Percentage 100.00%   100.00%
Commercial mortgage and other loans, Acquired $ 0 $ 0  
Commercial mortgage and other loans, Sold 5,000,000 0  
Fixed maturities      
Investment [Line Items]      
Gross unrealized losses 60,517,000   $ 142,065,000
Gross unrealized losses of twelve months or more concentrated in various sectors 49,800,000   60,301,000
NAIC high or highest quality rating | Fixed maturities      
Investment [Line Items]      
Gross unrealized losses 46,400,000   121,300,000
NAIC other than high or highest quality rating | Fixed maturities      
Investment [Line Items]      
Gross unrealized losses $ 14,100,000   20,800,000
California      
Investment [Line Items]      
Commercial mortgage loans, Percentage 21.00%    
Texas      
Investment [Line Items]      
Commercial mortgage loans, Percentage 14.00%    
New York      
Investment [Line Items]      
Commercial mortgage loans, Percentage 7.00%    
Europe      
Investment [Line Items]      
Commercial mortgage loans, Percentage 6.00%    
Australia      
Investment [Line Items]      
Commercial mortgage loans, Percentage 4.00%    
Mexico      
Investment [Line Items]      
Commercial mortgage loans, Percentage 2.00%    
Other Income | Equity securities      
Investment [Line Items]      
Unrealized Gain (Loss) on Investments $ 700,000 $ (1,200,000)  
Fixed maturities      
Investment [Line Items]      
Gross unrealized losses of twelve months or more concentrated in various sectors $ 49,800,000   $ 60,300,000