v2.4.0.6
Investments (Details) (USD $)
In Thousands, unless otherwise specified
Sep. 30, 2013
Dec. 31, 2012
Amortized Cost $ 34,160 $ 44,220
Market Value 35,646 46,493
Municipal Bonds, Current [Member]
   
Amortized Cost 5,875 8,004
Market Value 5,949 8,117
Municipal Bonds, Due from One Through Five Years [Member]
   
Amortized Cost 19,941 25,384
Market Value 20,900 26,620
Municipal Bonds, Due from Six Through Ten Years [Member]
   
Amortized Cost 8,344 10,832
Market Value $ 8,797 $ 11,756