v2.4.0.8
Investment Securities Maturities (Details) (USD $)
In Thousands, unless otherwise specified
Jun. 30, 2013
Dec. 31, 2012
Available-for-sale Securities, Debt Maturities, Amortized Cost Basis, Fiscal Year Maturity [Abstract]    
Due in One Year or Less, Amortized Cost Basis $ 103,666  
Due After One Year Through Five, Amortized Cost Basis 45,511  
Due After Five Years Through Ten Years, Amortized Cost Basis 1,049  
Due After Ten Years, Amortized Cost Basis 500  
Asset-backed Securities, Amortized Cost Basis 21,796  
Total Fixed Income Secutities, Amortized Cost Basis 172,522  
Available-for-sale Securities, Debt Maturities, Fair Value, Fiscal Year Maturity [Abstract]    
Due in One Year or Less, Fair Value 103,713  
Due After One Year Through Five, Fair Value 45,493  
Due After One Year Through Five, Fair Value 1,049  
Due After Ten Years, Fair Value 487  
Asset-backed Securities, Fair Value 21,725  
Total Fixed Income Secutities, Fair Value $ 172,467 $ 183,787