v2.4.0.6
Summary of Available for Sale Fixed Securities by Contractual Maturity (Details) (USD $)
In Thousands, unless otherwise specified
Sep. 30, 2012
Dec. 31, 2011
Schedule of Available-for-sale Securities [Line Items]    
Total fixed maturities $ 1,749,699 $ 1,382,863
Total fixed maturities 1,847,623 1,394,243
Fixed maturities
   
Schedule of Available-for-sale Securities [Line Items]    
Due in one year or less 7,296  
Due after one through five years 388,443  
Due after five through ten years 785,711  
Due after ten years 238,103  
Mortgage backed securities 330,146  
Total fixed maturities 1,749,699  
Due in one year or less 7,359  
Due after one through five years 393,753  
Due after five through ten years 848,460  
Due after ten years 249,056  
Mortgage backed securities 348,995  
Total fixed maturities $ 1,847,623