XML 46 R34.htm IDEA: XBRL DOCUMENT v3.4.0.3
Investments (Schedule of Contractual Maturities of Fixed Maturity Investments) (Details) - USD ($)
$ in Thousands
Mar. 31, 2016
Dec. 31, 2015
Trading Securities [Abstract]    
Trading Debt Securities, Amortized Cost, Due in less than one year $ 217,858  
Trading Debt Securities, Amortized Cost, Due after one through five years 4,002,809  
Trading Debt Securities, Amortized Cost, Due after five through ten years 1,028,014  
Trading Debt Securities, Amortized Cost, Due after ten years 207,716  
Trading Debt Securities, Amortized Cost 6,858,254  
Trading Debt Securities, Fair Value, Due in less than one year 215,975  
Trading Debt Securities, Fair Value, Due after one through five years 4,011,832  
Trading Debt Securities, Fair Value, Due after five through ten years 1,035,877  
Trading Debt Securities, Fair Value, Due after ten years 214,193  
Trading Debt Securities, Fair Value 6,890,592  
Available-for-sale Securities [Abstract]    
Available for Sale, Amortized Cost, Due in less than one year 0  
Available for Sale, Amortized Cost, Due after one through five years 0  
Available for Sale, Amortized Cost, Due after five through ten years 0  
Available for Sale, Amortized Cost, Due after ten years 0  
Available for Sale, Amortized Cost 12,384 $ 15,943
Available for Sale, Fair Value, Due in less than one year 0  
Available for Sale, Fair Value, Due after one through five years 0  
Available for Sale, Fair Value, Due after five through ten years 0  
Available for Sale, Fair Value, Due after ten years 0  
Available for Sale, Fair Value 13,985 $ 17,813
Fixed Maturity Investments [Abstract]    
Debt Securities, Amortized Cost, Due in less than one year 217,858  
Debt Securities, Amortized Cost, Due after one through five years 4,002,809  
Debt Securities, Amortized Cost, Due after five through ten years 1,028,014  
Debt Securities, Amortized Cost, Due after ten years 207,716  
Debt Securities, Amortized Cost 6,870,638  
Debt Securities, Fair Value, Due in less than one year 215,975  
Debt Securities, Fair Value, Due after one through five years 4,011,832  
Debt Securities, Fair Value, Due after five through ten years 1,035,877  
Debt Securities, Fair Value, Due after ten years 214,193  
Debt Securities, Fair Value 6,904,577  
Mortgage-backed    
Trading Securities [Abstract]    
Trading Debt Securities, Amortized Cost 1,270,780  
Trading Debt Securities, Fair Value 1,281,620  
Available-for-sale Securities [Abstract]    
Available for Sale, Amortized Cost 12,384  
Available for Sale, Fair Value 13,985  
Fixed Maturity Investments [Abstract]    
Debt Securities, Amortized Cost 1,283,164  
Debt Securities, Fair Value 1,295,605  
Asset-backed    
Trading Securities [Abstract]    
Trading Debt Securities, Amortized Cost 131,077  
Trading Debt Securities, Fair Value 131,095  
Available-for-sale Securities [Abstract]    
Available for Sale, Amortized Cost 0  
Available for Sale, Fair Value 0  
Fixed Maturity Investments [Abstract]    
Debt Securities, Amortized Cost 131,077  
Debt Securities, Fair Value $ 131,095