v2.4.0.8
Investments - Investments Classified by Contractual Maturity Date (Details) (USD $)
In Thousands, unless otherwise specified
Sep. 30, 2014
Dec. 31, 2013
Amortized Cost    
Due in one year or less $ 3,181  
Due after one year through five years 109,044  
Due after five years through ten years 21,833  
Due after ten years 6,829  
Mortgage-backed securities 315,951  
Amortized Cost 456,838 441,562
Estimated Fair Value    
Due in one year or less 3,227  
Due after one year through five years 110,116  
Due after five years through ten years 22,352  
Due after ten years 6,518  
Mortgage-backed securities 314,371  
Total $ 456,584 $ 434,587