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Investments, Part V (Details) (USD $)
In Thousands, unless otherwise specified
3 Months Ended
Mar. 31, 2013
Derivative (Liability) [Member]
 
Liabilities measured at fair value on a recurring basis [Abstract]  
Balance, beginning of period $ (141)
Total unrealized gains (losses) included in other comprehensive income 141
Balance, end of period 0
Fixed maturities [Member]
 
Assets measured at fair value on a recurring basis [Abstract]  
Balance, beginning of period 2,124
Total unrealized gains (losses) included in other comprehensive income (32)
Balance, end of period $ 2,092