v2.4.0.6
Investments (Schedule Of Fixed Maturity Investments Available For Sale In Continual Unrealized Loss Position) (Details) (USD $)
In Thousands, unless otherwise specified
Mar. 31, 2012
Dec. 31, 2011
Available For Sale Securities, Continuous Unrealized Loss Position, Twelve Months Or Longer 15  
Fixed Maturity Investments [Member]
    
Less than 12 Months, Fair Value $ 2,633 $ 12,874
Less than 12 Months, Unrealized Losses (109) (618)
12 Months or Greater, Fair Value 1,326 1,707
12 Months or Greater, Unrealized Losses (168) (196)
Total, Fair Value 3,959 14,581
Total, Unrealized Losses (277) (814)
Non-U.S. government (Sovereign Debt) [Member]
    
Less than 12 Months, Fair Value 240 915
Less than 12 Months, Unrealized Losses (2) (9)
12 Months or Greater, Fair Value 0 42
12 Months or Greater, Unrealized Losses 0 (3)
Total, Fair Value 240 957
Total, Unrealized Losses (2) (12)
Corporate [Member]
    
Less than 12 Months, Fair Value 1,838 3,935
Less than 12 Months, Unrealized Losses (101) (385)
12 Months or Greater, Fair Value 513 412
12 Months or Greater, Unrealized Losses (142) (132)
Total, Fair Value 2,351 4,347
Total, Unrealized Losses (243) (517)
Non-agency mortgage-backed [Member]
    
Less than 12 Months, Fair Value 555 8,024
Less than 12 Months, Unrealized Losses (6) (224)
12 Months or Greater, Fair Value 813 798
12 Months or Greater, Unrealized Losses (26) (60)
Total, Fair Value 1,368 8,822
Total, Unrealized Losses (32) (284)
Commercial mortgage-backed [Member]
    
Less than 12 Months, Fair Value   0
Less than 12 Months, Unrealized Losses   0
12 Months or Greater, Fair Value   455
12 Months or Greater, Unrealized Losses   (1)
Total, Fair Value   455
Total, Unrealized Losses   $ (1)